maryzhang/image-dataset-guideline huggingface dataset:
Guideline: Are there parts that do not nest properly?
Topic: Product Design - General
Feature: Assembly / Ergonomics
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are there parts not designed to meet mistake-proof Poke-Yoke assembly?
Topic: Product Design - General
Feature: Fastening / Joining
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are there parts that are not designed to meet stack assembly requirements?
Topic: Product Design - General
Feature: Assembly / Ergonomics
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Is part loading access restricted?
Topic: Product Design - General
Feature: Assembly / Ergonomics
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Can the part design be improved for efficient joining and fastening? (i.e. screw reduction/removal, snap, cold/heat staker, rivet)
Topic: Product Design - General
Feature: Fastening / Joining
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Considering heat management during design prevents warping, part failure, or dimensional inaccuracy. Adequate cooling and thermal design maintain consistent material properties during molding or operation.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are there any parts that can be confused with other parts of similar shape?
Topic: Product Design - General
Feature: Assembly / Ergonomics
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are there parts that are too large and/or heavy which can lead to worker fatigue?
Topic: Product Design - General
Feature: Assembly / Ergonomics
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are there parts/labels that are not easy to grasp, pick up, hold and/or require a tool for assembly?
Topic: Product Design - General
Feature: Assembly / Ergonomics
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are there parts that can tangled during assembly?
Topic: Product Design - General
Feature: Assembly / Ergonomics
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Is there no large base part where other parts can be added?
Topic: Product Design - General
Feature: Assembly / Ergonomics
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are there parts that will fall off easily during assembly?
Topic: Product Design - General
Feature: Assembly / Ergonomics
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are there partially- completed assemblies that require undesirable repositioning?
Topic: Product Design - General
Feature: Assembly / Ergonomics
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are there assemblies that require two-hand operation?
Topic: Product Design - General
Feature: General DFM
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are there multiple parts that can be modularized into single subassemblies for easier final assembly.
Topic: Product Design - General
Feature: Assembly / Ergonomics
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are there any special cleanliness requirements that should be considered?
Topic: Product Design - General
Feature: General DFM
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Do any parts or assemblies require a special environment during manufacturing? (i.e. dust proofing, grounding, etc.)
Topic: Product Design - General
Feature: Assembly / Ergonomics
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are there parts that can be cored out with reasonably thin walls?
Topic: Product Design - General
Feature: Assembly / Ergonomics
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Can the application of mini tools be applied?
Topic: Product Design - General
Feature: General DFM
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are there any areas where parting line definition must be defined?
Topic: Product Design - General
Feature: Assembly / Ergonomics
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are there any missing surface finishes/textures?
Topic: Product Design - General
Feature: General DFM
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are there parts that need better definition for ejector pin location/size?
Topic: Product Design - General
Feature: Assembly / Ergonomics
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are there any component materials incompatible with intended processes?
Topic: Product Design - General
Feature: Material Selection
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Do parts require special cooling systems and/or mold design for deep or critical area?
Topic: Product Design - General
Feature: Assembly / Ergonomics
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Considering heat management during design prevents warping, part failure, or dimensional inaccuracy. Adequate cooling and thermal design maintain consistent material properties during molding or operation.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are there alternate resins that result in cost-saving that can be used? (i.e. ABS to PP)
Topic: Product Design - General
Feature: Material Selection
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are there areas where gating locations will cause aesthetic issues?
Topic: Product Design - General
Feature: General DFM
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are there any molded parts with inadequate draft angles?
Topic: Product Design - General
Feature: Assembly / Ergonomics
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Can irregular parting lines be eliminated?
Topic: Product Design - General
Feature: Assembly / Ergonomics
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are there packaging materials that are considered standard that are not being used?
Topic: Packaging
Feature: Material Selection
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Using standard materials aligns with existing supplier capabilities and ensures availability and cost efficiency. It also facilitates easier replacement and compliance with company or industry standards.
Source: Quality-One DFM/A Sample Checklist
Guideline: Is the package structure non-standard?
Topic: Packaging
Feature: Packaging / Handling
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Optimizing packaging structure reduces material use, labor time, and shipping costs. It also enhances product protection, ease of unpacking, and consumer experience.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are the intended package structure construction and packout methods not clearly defined?
Topic: Packaging
Feature: Packaging / Handling
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Optimizing packaging structure reduces material use, labor time, and shipping costs. It also enhances product protection, ease of unpacking, and consumer experience.
Source: Quality-One DFM/A Sample Checklist
Guideline: Is there an opportunity to reduce any package material thickness?
Topic: Packaging
Feature: Material Selection
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Optimizing packaging structure reduces material use, labor time, and shipping costs. It also enhances product protection, ease of unpacking, and consumer experience.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are the package die lines optimized to best utilize sheet or roll sizes of paper and plastic material?
Topic: Packaging
Feature: Material Selection
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Optimizing packaging structure reduces material use, labor time, and shipping costs. It also enhances product protection, ease of unpacking, and consumer experience.
Source: Quality-One DFM/A Sample Checklist
Guideline: Is draft not adequate for a blister design?
Topic: Packaging
Feature: Packaging / Handling
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Is flange not adequate for a blister design?
Topic: Packaging
Feature: Packaging / Handling
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Does design tolerance meet process capability?
Topic: Packaging
Feature: General DFM
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Can instructions be printed on the package?
Topic: Packaging
Feature: Packaging / Handling
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Optimizing packaging structure reduces material use, labor time, and shipping costs. It also enhances product protection, ease of unpacking, and consumer experience.
Source: Quality-One DFM/A Sample Checklist
Guideline: Can existing instructions be used instead of creating new instructions?
Topic: Packaging
Feature: General DFM
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Can number of inserts/attachments be reduced?
Topic: Packaging
Feature: General DFM
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Can double sided printing reduce the amount of cardboard used?
Topic: Packaging
Feature: General DFM
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Can tab-ins and clip art be combined and/or reduced?
Topic: Packaging
Feature: General DFM
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Combining multiple parts into one simplifies the assembly process and reduces potential failure points. It also improves structural integrity and reduces costs associated with fasteners and assembly labor.
Source: Quality-One DFM/A Sample Checklist
Guideline: Is package using new materials or printing process?
Topic: Packaging
Feature: Material Selection
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Optimizing packaging structure reduces material use, labor time, and shipping costs. It also enhances product protection, ease of unpacking, and consumer experience.
Source: Quality-One DFM/A Sample Checklist
Guideline: Can glue or tape for chip art be replaced with a standard mechanical locking approach?
Topic: Packaging
Feature: General DFM
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Is the product not being secured utilizing existing methods?
Topic: Packaging
Feature: General DFM
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Is access restricted during assembly?
Topic: Packaging
Feature: Assembly / Ergonomics
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Can the product be secured in a less labor intensive method?
Topic: Packaging
Feature: General DFM
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Can package structure be assembled in a less labor intensive method?
Topic: Packaging
Feature: Packaging / Handling
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Optimizing packaging structure reduces material use, labor time, and shipping costs. It also enhances product protection, ease of unpacking, and consumer experience.
Source: Quality-One DFM/A Sample Checklist
Guideline: Will the use of keylocks for securement be beneficial?
Topic: Packaging
Feature: General DFM
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Is there an opportunity for automation of packaging operations?
Topic: Packaging
Feature: Packaging / Handling
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: If a J hook is required, are existing parts and attachment methods not being used?
Topic: Packaging
Feature: Assembly / Ergonomics
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Reusing existing parts minimizes redundant tooling and reduces overall part count. It ensures design consistency, lowers production cost, and simplifies logistics and quality control across product lines.
Source: Quality-One DFM/A Sample Checklist
Guideline: Will packout potentially damage the product?
Topic: Packaging
Feature: General DFM
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Can product components be easily detached or damaged by consumer?
Topic: Packaging
Feature: General DFM
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Can product be placed to make it easier to remove for end consumer?
Topic: Packaging
Feature: General DFM
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Can spot welding be used instead of glue?
Topic: Packaging
Feature: General DFM
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Is there a more cost-effective tie down material that can be used?
Topic: Packaging
Feature: Material Selection
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Does master carton not use the optimum retail package arrangement for pallet, blank size and cube efficiency?
Topic: Packaging
Feature: Packaging / Handling
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Optimizing packaging structure reduces material use, labor time, and shipping costs. It also enhances product protection, ease of unpacking, and consumer experience.
Source: Quality-One DFM/A Sample Checklist
Guideline: Have appropriate precautions not been taken to avoid damage to window printing? (scratching in transit)
Topic: Packaging
Feature: General DFM
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Have higher end collector quality items not been thoroughly protected to ensure zero defects (i.e. protective boxes)?
Topic: Packaging
Feature: General DFM
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Can parts be combined for multiple uses?
Topic: Packaging
Feature: Assembly / Ergonomics
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Combining multiple parts into one simplifies the assembly process and reduces potential failure points. It also improves structural integrity and reduces costs associated with fasteners and assembly labor.
Source: Quality-One DFM/A Sample Checklist
Guideline: Can parts be designed to meet Mistake Proof assembly- Poke- Yoke requirements?
Topic: Packaging
Feature: Fastening / Joining
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Can parts be designed to meet Stack Assemblies requirements?
Topic: Packaging
Feature: Assembly / Ergonomics
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Can small product modifications result in packaging savings in labor or materials?
Topic: Packaging
Feature: Material Selection
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are there any "under 3" assemblies without a redundant system that may pose safety concerns?
Topic: Packaging
Feature: Safety / Ergonomics
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Evaluating potential safety hazards early in design prevents injury and ensures compliance with safety standards. It also reduces liability and promotes user trust.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are there areas of potential sharp points or edges?
Topic: Packaging
Feature: Safety / Ergonomics
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are there any step on hazards?
Topic: Packaging
Feature: Safety / Ergonomics
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Evaluating potential safety hazards early in design prevents injury and ensures compliance with safety standards. It also reduces liability and promotes user trust.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are there any areas of entrapment?
Topic: Packaging
Feature: General DFM
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are there any projectile concerns?
Topic: Packaging
Feature: General DFM
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are there any electrical safety hazards?
Topic: Packaging
Feature: Safety / Ergonomics
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Evaluating potential safety hazards early in design prevents injury and ensures compliance with safety standards. It also reduces liability and promotes user trust.
Source: Quality-One DFM/A Sample Checklist
Guideline: Is the noise level unacceptable?
Topic: Packaging
Feature: General DFM
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are there undesired material interactions? (i.e. Color Migration, Galvanic Corrosion, Mechanical Deterioration)
Topic: Packaging
Feature: Material Selection
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: This checklist item prompts engineers to consider manufacturability, cost efficiency, and reliability in early design. Addressing it prevents downstream issues during assembly, testing, or production.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are there small parts that may cause safety concerns?
Topic: Packaging
Feature: Assembly / Ergonomics
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Evaluating potential safety hazards early in design prevents injury and ensures compliance with safety standards. It also reduces liability and promotes user trust.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are there any mechanisms of the product that may not meet life-cycle requirement?
Topic: Packaging
Feature: General DFM
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Simplifying complex mechanisms improves reliability and reduces the risk of assembly errors or part failure. It enhances manufacturability and minimizes maintenance or repair time.
Source: Quality-One DFM/A Sample Checklist
Guideline: Are there concerns with the comfort and the safety of the seating compartment?
Topic: Packaging
Feature: Assembly / Ergonomics
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Evaluating potential safety hazards early in design prevents injury and ensures compliance with safety standards. It also reduces liability and promotes user trust.
Source: Quality-One DFM/A Sample Checklist
Guideline: Over-designing parts with unnecessary curves or tight tolerances significantly increases machining cost without improving function.
Topic: Machining Efficiency
Feature: Geometry / Machining
Manufacturing type: CNC Machining
Good practice: No
Explanation: Excessive detail forces smaller tools, more setups, and complex toolpaths. Recognizing which geometric details serve real performance needs prevents wasted time and cost.
Source: Modus Advanced
Guideline: Each internal corner in a machined cavity must include a fillet radius appropriate to the cutting tool diameter.
Topic: Machining Geometry
Feature: Machined Features
Manufacturing type: CNC Machining
Good practice: Yes
Explanation: Sharp interior corners are physically impossible to machine and cause stress concentration. Maintaining proper radii enables faster cutting, better tool life, and consistent quality.
Source: Modus Advanced
Guideline: Using consistent radius values across a design minimizes tool changes and programming complexity.
Topic: Machining Optimization
Feature: Machining Standards
Manufacturing type: CNC Machining
Good practice: Yes
Explanation: Standardizing fillets allows operators to use the same cutter for multiple features, reducing cycle time and human error.
Source: Modus Advanced
Guideline: Features aligned to standard X, Y, and Z planes allow efficient three-axis machining and reduce fixturing complexity.
Topic: Machining Setup
Feature: Machining Orientation
Manufacturing type: CNC Machining
Good practice: Yes
Explanation: Non-planar features often require five-axis machines or custom fixtures, adding cost. Keeping features orthogonal promotes predictable setup and throughput.
Source: Modus Advanced
Guideline: Draft angles beneficial for casting can complicate prototype machining unless adjusted for the production method.
Topic: Prototype Design
Feature: Design for Casting
Manufacturing type: Machining for Casting
Good practice: Yes
Explanation: Designers should adapt features like fillets or drafts to the fabrication stage. A feature ideal for molding may double prototype machining time.
Source: Modus Advanced
Guideline: Large radii enable faster tool passes and reduce wear compared with small, intricate features.
Topic: Machining
Feature: Toolpath Design
Manufacturing type: CNC Machining
Good practice: Yes
Explanation: Tool size directly affects cutting forces. Using larger radii balances precision and speed while improving surface finish.
Source: Modus Advanced
Guideline: Continuous dispensing paths for form-in-place gaskets reduce quality variation by eliminating start-stop defects.
Topic: Gasket Design
Feature: Gasket Geometry
Manufacturing type: FIP Dispensing
Good practice: Yes
Explanation: Each stop introduces air bubbles and irregular bead shapes. Continuous motion creates consistent sealing performance and predictable cure behavior.
Source: Modus Advanced
Guideline: Converging multiple gasket lines at one junction increases material buildup and sealing failure risk.
Topic: Gasket Quality
Feature: Gasket Geometry
Manufacturing type: FIP Dispensing
Good practice: No
Explanation: Excess material causes uneven compression and voids. Simplifying path layout ensures even bead pressure.
Source: Modus Advanced
Guideline: Smooth coatings can prevent gasket adhesion; slight surface texture often improves bonding.
Topic: Surface Preparation
Feature: Surface Finish
Manufacturing type: FIP Dispensing
Good practice: Yes
Explanation: Adhesion relies on mechanical grip as well as chemistry. Over-polished surfaces reduce wetting and cause delamination.
Source: Modus Advanced
Guideline: Metallic inserts can disrupt magnetic field formation in magnetically formed gaskets.
Topic: Process Compatibility
Feature: Assembly / Hardware
Manufacturing type: FIP Dispensing
Good practice: No
Explanation: Ferromagnetic parts distort field lines, leading to inconsistent bead geometry. Identifying these interferences early avoids rework.
Source: Modus Advanced
Guideline: Converting processes such as die cutting and waterjet cutting each have unique achievable tolerances based on material type and thickness.
Topic: Process Selection
Feature: Tolerancing
Manufacturing type: Converting / Die Cutting
Good practice: Yes
Explanation: Foam, dense rubber, and film materials respond differently to compression or jet energy. Knowing realistic limits prevents over-specification.
Source: Modus Advanced
Guideline: The “dish effect” in die cutting increases as material thickness grows, creating slight concavity along cut edges.
Topic: Material Behavior
Feature: Die Cutting
Manufacturing type: Converting
Good practice: Yes
Explanation: Compression of thick materials causes lateral displacement. Understanding this phenomenon helps specify realistic tolerances.
Source: Modus Advanced
Guideline: PSA-backed parts with intricate geometry are harder to place accurately and should include alignment or tab features.
Topic: Assembly Efficiency
Feature: Adhesive Assembly
Manufacturing type: Assembly
Good practice: Yes
Explanation: Pressure-sensitive adhesives bond instantly. Simplifying shapes or adding grips ensures accurate positioning and avoids wrinkles.
Source: Modus Advanced
Guideline: Replacing small, delicate converted parts with dispensed materials can eliminate manual handling difficulties.
Topic: Process Substitution
Feature: Assembly Process
Manufacturing type: Converting / Dispensing
Good practice: Yes
Explanation: Dispensed alternatives like thermal compounds or RF absorbers self-form in place, saving assembly time and reducing part count.
Source: Modus Advanced
Guideline: Tolerance settings should match functional needs rather than CAD software defaults.
Topic: Design Intent
Feature: Tolerancing
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Default tight tolerances raise cost and inspection time. Functional analysis defines where precision truly matters.
Source: Modus Advanced
Guideline: Overly complex specifications increase inspection duration and may not add measurable value.
Topic: Quality Planning
Feature: QA / Documentation
Manufacturing type: General Manufacturing
Good practice: No
Explanation: Each extra datum or geometric control extends CMM time. Simplifying drawings accelerates validation without sacrificing safety.
Source: Modus Advanced
Guideline: Critical features should remain accessible to standard metrology tools to prevent custom gauge development.
Topic: Inspection Design
Feature: QA / Accessibility
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Deep cavities or blind holes require specialized probes. Designing with access in mind saves time and equipment cost.
Source: Modus Advanced
Guideline: Sampling frequency in inspection should reflect part criticality and risk, not a uniform 100% rule.
Topic: Quality Strategy
Feature: QA / Sampling
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Matching inspection intensity to risk maintains quality while minimizing bottlenecks.
Source: Modus Advanced
Guideline: Incompatible coatings, adhesives, and surface finishes between process stages can cause rework or contamination.
Topic: Process Integration
Feature: Material Compatibility
Manufacturing type: Multi-Process
Good practice: No
Explanation: Early review of downstream effects prevents adhesion failure and chemical interference during assembly or plating.
Source: Modus Advanced
Guideline: Design for manufacturing reviews should begin during concept development, not after design completion.
Topic: Design Process
Feature: Design Process
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Early assessments allow inexpensive adjustments. Late fixes require redesigns that delay schedules.
Source: Modus Advanced
Guideline: Iterative DFM assessments aligned with project milestones maintain manufacturability throughout design evolution.
Topic: Design Process
Feature: Review Schedule
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Regular checkpoints ensure new features remain feasible and prevent costly surprises at final release.
Source: Modus Advanced
Guideline: Collaboration between design, manufacturing, and quality engineers yields more balanced trade-offs.
Topic: Collaboration Framework
Feature: Team Workflow
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Multidisciplinary review aligns functional, cost, and quality objectives, ensuring robust final designs.
Source: Modus Advanced
Guideline: Manufacturing partners holding AS9100 or ISO 9001 certifications bring process discipline vital for critical applications.
Topic: Supplier Selection
Feature: Certification
Manufacturing type: Aerospace & Defense
Good practice: Yes
Explanation: Certified systems guarantee traceability and consistent quality management across builds.
Source: Modus Advanced
Guideline: Establishing precedence between CAD and drawing files avoids delays caused by conflicting specifications.
Topic: Documentation Management
Feature: Design Documentation
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Defining which artifact governs eliminates confusion and scrap due to mismatched revisions.
Source: Modus Advanced
Guideline: Documenting rationale for design recommendations enables traceable decision-making during DFM reviews.
Topic: Review Documentation
Feature: Knowledge Management
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Written justifications help future teams understand trade-offs, improving institutional learning.
Source: Modus Advanced
Guideline: Aerospace applications demand balancing weight optimization with manufacturability.
Topic: Industry-Specific DFM
Feature: Material / Structural
Manufacturing type: Aerospace Manufacturing
Good practice: Yes
Explanation: Ultra-light designs often push tolerance limits. Awareness of manufacturing constraints ensures feasible production.
Source: Modus Advanced
Guideline: Coating and surface-treatment requirements add layers of complexity to aerospace component assessments.
Topic: Industry-Specific DFM
Feature: Surface Treatment
Manufacturing type: Aerospace Manufacturing
Good practice: Yes
Explanation: Each coating step introduces handling and dimensional variation that must be compensated during design.
Source: Modus Advanced
Guideline: Medical devices require higher inspection frequency and traceability regardless of geometric simplicity.
Topic: Industry-Specific DFM
Feature: QA / Compliance
Manufacturing type: Medical Manufacturing
Good practice: Yes
Explanation: Regulatory frameworks like ISO 13485 demand process documentation even for simple parts to ensure patient safety.
Source: Modus Advanced
Guideline: Biocompatibility constraints can limit available materials and processes for medical device components.
Topic: Industry-Specific DFM
Feature: Material / Regulatory
Manufacturing type: Medical Manufacturing
Good practice: Yes
Explanation: Selecting certified materials early avoids redesign due to sterilization or toxicity issues.
Source: Modus Advanced
Guideline: Manufacturing readiness assessments provide greatest value when conducted collaboratively with experienced partners.
Topic: DFM Partnership
Feature: Collaboration
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Experienced manufacturing engineers translate design intent into process-ready solutions, accelerating market launch while preserving quality.
Source: Modus Advanced
Guideline: Every part must have a clear name and function defined before manufacturing begins.
Topic: Product Definition
Feature: Product Documentation
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Defining purpose and naming conventions early avoids confusion across CAD, procurement, and tooling stages, ensuring traceability and version control.
Source: Analogy Design
Guideline: Environmental factors like temperature, humidity, and load should guide both material and geometry choices.
Topic: Product Definition
Feature: Environmental Design
Manufacturing type: Multi-Process
Good practice: Yes
Explanation: Understanding environmental context prevents premature failure or deformation and supports reliability testing for real-world use conditions.
Source: Analogy Design
Guideline: Choose materials not only for performance but also for availability and lead time.
Topic: Material Selection
Feature: Supply Chain / Material
Manufacturing type: Multi-Process
Good practice: Yes
Explanation: Global supply disruptions can halt production. Material choices should balance mechanical properties with procurement feasibility.
Source: Analogy Design
Guideline: Ensure the selected material is compatible with the chosen manufacturing process.
Topic: Material Compatibility
Feature: Process Compatibility
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Not all materials suit every process — e.g., high-temp plastics can’t be injection molded. Compatibility prevents costly redesign.
Source: Analogy Design
Guideline: Maintain uniform wall thickness to avoid warpage and sink marks in molded or cast parts.
Topic: Part Design
Feature: Geometry
Manufacturing type: Molding / Casting
Good practice: Yes
Explanation: Uneven wall thickness leads to cooling variation, internal stress, and dimensional distortion. Consistency ensures stable, predictable shapes.
Source: Analogy Design
Guideline: Eliminate unnecessary geometric features that add machining time or mold complexity.
Topic: Part Design
Feature: Geometry Simplification
Manufacturing type: CNC / Molding
Good practice: Yes
Explanation: Complex decorative shapes increase cost and risk without functional gain. Simplification boosts manufacturability and scalability.
Source: Analogy Design
Guideline: Add draft angles to vertical surfaces for easy mold release or machining clearance.
Topic: Part Design
Feature: Geometry / Draft
Manufacturing type: Injection Molding
Good practice: Yes
Explanation: Drafts prevent tool sticking and surface scratches, speeding ejection and prolonging mold life.
Source: Analogy Design
Guideline: Fillets and radii should replace sharp corners to reduce stress concentration and tool wear.
Topic: Part Design
Feature: Stress / Geometry
Manufacturing type: Machining / Molding
Good practice: Yes
Explanation: Sharp edges act as crack initiators; rounding improves strength, mold flow, and durability.
Source: Analogy Design
Guideline: Reinforce parts with ribs or bosses instead of thickening walls.
Topic: Part Design
Feature: Structural Design
Manufacturing type: Injection Molding
Good practice: Yes
Explanation: Ribs maintain stiffness without causing shrinkage. It’s a lightweight and material-efficient strengthening method.
Source: Analogy Design
Guideline: Avoid undercuts unless absolutely necessary for part function.
Topic: Tooling Design
Feature: Tooling Complexity
Manufacturing type: Injection Molding
Good practice: No
Explanation: Undercuts demand side actions or collapsible cores, adding cost and cycle time. Simplify to minimize tool motion.
Source: Analogy Design
Guideline: Select a manufacturing process that aligns with part geometry, material, and volume.
Topic: Process Planning
Feature: Process Choice
Manufacturing type: General Manufacturing
Good practice: Yes
Explanation: Low-volume runs may suit CNC or additive manufacturing; high-volume parts justify tooling. Matching process to scale prevents waste.
Source: Analogy Design
Guideline: Minimize secondary operations like polishing, trimming, or drilling.
Topic: Process Optimization
Feature: Manufacturing Operations
Manufacturing type: Multi-Process
Good practice: Yes
Explanation: Each post-process adds labor and tolerance variation. Integrating finish quality into the initial process improves yield.
Source: Analogy Design
Guideline: Use standardized components and tools wherever possible.
Topic: Standardization
Feature: Parts / Procurement
Manufacturing type: Assembly / Machining
Good practice: Yes
Explanation: Off-the-shelf fasteners, bearings, or switches reduce lead time and ensure replaceability.
Source: Analogy Design
Guideline: Design for top-down or single-direction assembly to streamline production.
Topic: Assembly Optimization
Feature: Assembly Process
Manufacturing type: General Assembly
Good practice: Yes
Explanation: Gravity-assisted assembly reduces fixture complexity and speeds automation.
Source: Analogy Design
Guideline: Ensure tool and hand access for fasteners, welding, or bonding.
Topic: Assembly Ergonomics
Feature: Accessibility
Manufacturing type: Assembly / Joining
Good practice: Yes
Explanation: Tight spaces increase operator fatigue and risk. Proper clearance supports maintainability and quality control.
Source: Analogy Design
Guideline: Reduce total part count by combining functions when feasible.
Topic: Assembly Simplification
Feature: Assembly Efficiency
Manufacturing type: Assembly / Joining
Good practice: Yes
Explanation: Each additional part increases assembly time, inventory, and potential failure points.
Source: Analogy Design