Op. No. Operation Description (^ check where appropriate) Safety kit & Tools (As required) Notes / Remark 01 Consumable material preparation Flow mesh helps to provide paths for the matrix to pass through. Our stock flow mesh has a width of 1850 mm. You need 2 flow mesh in one infusion process. Gloves Scissors Masking Tape Video Demo.
04 Ply Cutting Cut out plies to their required dimensions. Use Table 3 to track progress. Above: Table 3 Write down the total weight of the plies:____________grams Gloves Tape measure PE PE Set square Masking tape Sign:______________ ______:______am/pm Video Demo. 05 Fibre down the total lengths cut from the roll: ________mm Record the figure on the material punch card. Re-seal the material and return to dry storage. Place cut-offs in designated storage bin. Gloves Scissors Masking Tape Sign:______________ ______:______am/pm 06 Lay-up Fibre Lay-up plies according to Table 5. Taking care that all plies are aligned accordingly. Ensure the plies are in the centre of the tooling plate. Gloves Safety Specks
Above: Table 5 Sign:______________ ______:______am/pm 07 Lay-up – Consumables Once lay-up is ready, proceed to add consumables and one track of sealant tape, using Figure 1 as a reference. Above: Figure 1 Peel ply Flow media Sealant tape Scissors Spiral wrap Silicone tube Resin infusion connectors Sign:______________ ______:______am/pm Video Demo. 08 Bag-up and De-bulk Proceed to vacuum bag over the entire lay-up ensuring the placement of pleats at appropriate intervals. Once vacuum bag is in place, pierce the bag above the Resin Infusion Connectors, and place silicone tube into the connector. Use sealant tape to complete vacuum seal. De-bulk with vacuum, stand for at least 15 minutes with vacuum level at least 25 in.Hg Nylon vacuum bag material Sealant tape Scalpel Silicone tube Sign:______________ ______:______am/pm Video Demo. 09 Vacuum leak test start vacuum pump, wait until full vacuum mark the time and of the moment: : am/pm close all valves and switch off pump mark the pressure value of the moment: ______________ time the test for 10 mins mark the pressure value again: _____________________ proceed to next operation if difference is
10 Resin Preparation Using op.030 info, calculate the weight of resin needed using wetting ratio of 1.2, fibre to resin. a clean, empty container on the scale and set zero. Write down the actual weight of the resin and hardener below: Take all necessary safety precautions as detailed in COSHH and MSDS forms 250ml containers Spatula Gloves Saftey Glasses Digital Scales: General Accuracy Equipment ID: _________________. Sign to confirm use of General Accuracy Equipment: ________________. Sign:______________ ______:______am/pm Video Demo. 11 Resin De-gas: Take turns separately, place each container into the vacuum chamber and apply full vacuum. Leave each to de-gas for no less than 20min. RTI Vacuum pump RTI catch tank Sign:______________ ______:______am/pm Video Demo. 12 Resin mixing procedure Using the General Accuracy scales, confirm _____g of “*_________________” remains in the resin container. Zero the General Accuracy scales and add _____g of “*_________________” into the resin container. Use a spatula and mix the components together thoroughly. Make note on the time of mix. Note: Use spatula and stir in the direction illustrated in Figure 2 250ml containers Spatula Gloves Saftey Glasses Digital Scales: General Accuracy Equipment ID: _________________. Sign to confirm use of General Accuracy Equipment: ________________. Video Demo.