Appendix 2: Employability Skills Summary Employability Skills Summary Qualification Code: 22332VIC Qualification Title: Graduate Certificate in Plastics Product and Tool Design The following table contains a summary of the employability skills required for this qualification. This table should be interpreted in conjunction with the detailed requirements of each unit of competency packaged in this qualification. The Employability Skills facets described here are broad industry requirements that may vary depending on the packaging options. Employability Skill Industry/enterprise requirements for this qualification include the following facets: Communication that contributes to productive and harmonious relations across employees and customers utilising excellent interpersonal skills to consult, question, clarify and evaluate information liaising, listening and consulting with colleagues, management and stakeholders to encourage participation, and clarify and evaluate issues consulting with stakeholders and others on managing a range of project plans developing and managing formal and informal communication networks negotiating solutions to new and emerging issues producing a wide range of reports, visual presentations and charts to document project progress, targets, milestones and outcomes Teamwork that contributes to productive working relationships and outcomes demonstrating high-level leadership and consultation processes with team and stakeholders to foster informed work practices designing evaluation and feedback from stakeholder consultation working with, and motivating others, to gather information, prepare plans, and implement projects seeking expertise from other/s as required Problem solving that contributes to productive outcomes analysing and selecting information for relevance and accuracy high-level research to provide innovative approaches to design solutions analysing, co-ordinating and refining budgets sourcing relevant people to provide consultative assistance and specialised information where required developing strategies and implementation plans Initiative and enterprise that contribute applying learning to flexibility in design and production
2.2 Effect of properties of a range of polymer materials on the performance of plastics products are analysed 2.3 Impact of product design and production considerations on tool design is investigated 2.4 Design fault prevention strategies, across a range of plastics products and parts, are determined and incorporated into project 3 Implement and evaluate design project 3.1 Product requirements are analysed and appropriate polymer and process/es to meet specified outcomes are determined 3.2 Product features are designed to optimise function and performance of the product/part 3.3 Design drawings, incorporating specified distinctive features and design details, are prepared, and critically evaluated against specified project outcomes, organisational and regulatory requirements in consultation with relevant people 3.4 Recommendations for improvement are made and agreed upon in consultation with relevant people REQUIRED SKILLS AND KNOWLEDGE This describes the essential skills and knowledge and their level, required for this unit. Required Skills: interpersonal skills to work with clients, colleagues, management and stakeholders either under direction, independently, or within a team leadership and interpersonal skills to communicate design concepts, implications, requirements and parameters to stakeholders leadership and organisational skills to manage implementation and evaluation of design project research and analytical skills to identify methodologies to achieve optimal relationship between product or part design and production strategic thinking skills to evaluate design methodologies for application to specific project outcomes manual and computer-aided design and drafting skills to develop, test and simulate designs calculation skills to determine design requirements problem-solving skills to identify potential barriers to projected outcomes, analyse risks and establish prevention strategies analytical and evaluation skills to assess product and tool design for plastics project and use results to inform future practice
functionality may include: operation for given materials types calculating pillar support requirements to accommodate clamp tonnage for mould bases incorporating ‘U’ shaped injection housing Operating cycle of moulds may include: die change procedures disassembly and assembly procedures safe die transport, handling and storage procedures die trialling procedures resetting machine for new process commissioning new tooling into production handling the mould during maintenance and servicing operations identification and labelling of dies Machine factors may include: opening sequence and machine platen daylight ejector hole positions hydraulic coupled ejector systems platen size bolt pattern available stroke clamp capacity and mould/part size Metal materials may include: mild steel surface hardening steel stainless steel tool steel aluminium kirksite beryllium copper interpretation of mould steel data sheets and property tables Finishing treatments may include: polishing texturing heat treatment processes, such as: normalising annealing quench hardening carburising nitriding tempering stress relieving plating and coating techniques
EVIDENCE GUIDE The evidence guide provides advice on assessment and must be read in conjunction with the Performance Criteria, Required Skills and Knowledge, the Range Statement and the Assessment Guidelines for this Training Package. Critical aspects for assessment and evidence required to demonstrate competency in this unit A person who demonstrates competency in this unit must provide evidence of: managing injection moulding tool design project for a multiple-plate cavity mould tool that addresses principles of cavity mould design, runner systems and product ejection systems determining prevention strategies for tool design faults evaluating project outcomes to inform future practice knowledge of principles and processes of injection moulding tool design to meet plastics product design requirements Context of and specific resources for assessment Assessment must ensure: activities are related to a tool design for plastics context Resources implications for assessment include: access to suitable simulated or real workplace opportunities access to a range of plastics products/parts and associated injection moulding tooling access to material specification charts/data sheets access to Computer Aided Design and Tooling Design software Method of assessment A range of assessment methods should be used to assess practical skills and knowledge. The following assessment methods are appropriate for this unit: evaluation of project in injection moulding tool design application that includes cavity mould design; optimises runner system, and ejection systems for a range of contexts and applications evaluation of project in comprehensive investigation of injection mould tools and moulding machinery evaluation of investigative project in correlation between product drawings, specifications and mould tool designs and product requirements review of portfolio of research into principles and processes of injection moulding tool design
ejector sleeves ejector plates ejector springs guide plates guide bushes sprue bushes different applications, such as: innovations different actuators that control part ejection advantages and disadvantages of using standard components and inserts Product design details may refer to: split cavities, side cavities and cores projections, internal or external undercuts, internal or external screw threads. SPLIT CAVITIES: guiding and retention actuation, such as: finger cams dog-leg cams side cams spring hydraulic locking, such as: open channel chase bolster enclosed chase bolster safety in operation, such as: spring detent spring loading stripper plate design angle lift splits SIDE CAVITIES AND CORES: activation locking safety in operation curved side cores PROJECTIONS: external and internal bosses staking threads embossed details texture
INTERNAL OR EXTERNAL UNDERCUTS: form pin straight action angled action split cores straight action angled action stripping internal undercuts INTERNAL OR EXTERNAL SCREW THREADS: fixed core stripping internal and external threads interchange cores unscrewing moulds rotating cores rotating cavities power systems Tool design requirements may include: suitable runner, vent and ejection systems preliminary mould designs optimised by using melt flow and cooling analysis techniques detailed drawings of tool assembly necessary dimensions and labels necessary component drawings necessary calculations tool specifications to achieve the product requirements, such as: material equipment finish construction details, such as: undercuts projections threads description of tool operation mould quotation form and design process cost estimate finishing for application shrinkage stakeholder requirements sustainability issues risk management, including:
VU21977 Implement plastics injection moulding temperature control Unit Descriptor This unit describes the skills and knowledge required to determine the heating and cooling requirements of plastics injection moulding tools, including the use and application of hot runners. No licensing, legislative, regulatory or certification requirements apply to this unit at the time of publication. Employability Skills This unit contains Employability Skills. The required outcomes described in this unit of competency contain applicable facets of Employability Skills. The Employability Skills Summary of the qualification in which this unit is included will assist in identifying employability skill requirements. Application of the Unit This unit supports the work of designers, managers, leaders and project personnel who are responsible for development of injection moulding tool design across a broad range of product design applications within the plastics industry. Practitioners are typically engaged in implementing tool design strategies that are responsive to: product intent; stakeholder-specified; regulatory, and sustainability requirements. ELEMENT PERFORMANCE CRITERIA Elements describe the essential outcomes of a unit of competency. Performance criteria describe the required performance needed to demonstrate achievement of the element. Where bold italicised text is used, further information is detailed in the required skills and knowledge and/or the range statement. Assessment of performance is to be consistent with the evidence guide. 1 Determine heating and cooling requirements for a plastics injection mould tool design 1.1 Principles for achieving temperature control during moulding operations are researched and delineated 1.2 Different applications and requirements for a range of mechanisms for heating and cooling mould tools are researched and clarified 1.3 Dimensions of heating and cooling circuits to achieve specified heat loss requirements for given mould designs are calculated 1.4 Designs for heating and cooling circuits that achieve temperature control requirements for mould designs are developed in consultation with relevant people 2 Apply the principles of melt flow and mould cooling analysis to tool design practice 2.1 Techniques to optimise flow and cooling behaviour of polymer materials during processing are researched and delineated 2.2 Applications of melt flow and mould cooling analysis in injection mould tool design are evaluated
parison uniformity flow characteristics back pressure blow ratio thickness swell consideration Range of data may refer to: polymer flow in the die, such as: polymer viscoelastic behaviour of the polymer melt shear thinning steady state, isothermic flow viscoelastic properties shear rate flow in the annulus Newtonian and non-Newtonian (power law) fluids use of representative data viscosity and temperature distribution in extrusion dies, such as: continuity equation flow channels with variable heights pressure drop Production and design requirements problems may refer to: large volume moulding mechanical and thermal properties of the material part to production requirements machine types production capacity Faults may refer to: stagnation points restricted and uneven flow paths damaged surfaces weld lines associated with split flow paths performance or physical properties of product surface quality and treatment thermal control and monitoring
Guidance information for assessment (Optional) Holistic assessment with other units relevant to the industry sector, workplace and job role is recommended. Suggested units may include but are not limited to: VU21983: Manage extrusion sheet and blown film tool design VU21984: Manage extrusion pipe, tube and cable tool design VU21985: Manage extrusion profile tool design
haul-off equipment end product sizing equipment Relevant factors may include: product end-use aesthetic requirements processing specifications, such as: volume of run environmental costs, such as: resource management waste management recycling energy consumption carbon abatement Principles and main elements of blown film tool design may include: types of blown film dies, such as: co-extrusion adaptor type side-fed bottom-fed air-ring design internal cooling pressure control internal cooling temperature control nip-roller control Production and design requirements may include: large volume mechanical and thermal properties of the material part to production requirements machine types cost constraints production capacity Faults may include: extruded sheet faults, such as: physical performance of product stagnation spots restricted and uneven flow paths damaged surfaces weld lines associated with split flow paths surface quality and treatment thermal control and monitoring gauge thickness blown film faults, such as: physical performance of product stagnation spots
Guidance information for assessment (Optional) Holistic assessment with other units relevant to the industry sector, workplace and job role is recommended. Suggested units may include but are not limited to: VU21982: Implement plastics extrusion tool design VU21984: Manage extrusion pipe, tube and cable tool design VU21985: Manage extrusion profile tool design
results to inform future practice Required Knowledge: behaviour and applications of polymer materials operating principles of plastics processing methods principles and processes of plastics product and tool design product design detailing implications of product design for tool design factors that affect decisions in the design process principles of design for manufacture and assembly capabilities and limitations of additive manufacturing technologies additive manufacturing file types, printing parameters, support requirements aspects of tool design; cooling, mounting risk management strategies quality procedures relevant Federal, State or Territory legislation and local government legislation, regulations and standards sustainability implications for tool design for plastics safe work practices RANGE STATEMENT The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording in the Performance Criteria is detailed below. Add any essential operating conditions that may be present with training and assessment depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts. Plastic product Products produced from polymer materials across a broad range of processing applications, such as: injection moulding; blow moulding, and/or extrusion, within the plastics industry. Tool requirements The tools or part tools required to form plastics products which may include details of: gating methods, such as: standard gate valve gate edge gate fan gate submarine gate taper / draft angles cooling ejection / release methods