inch of clamp. The rule for venting on a round part using an olefin material is to use perimeter venting-100% of the parting line-at 0.001 inch deep, with a land of 0.060 inch,...
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| Injection Mold Design Engineering Drop 7.3.4 Calculate Gate Freeze Time 7.3.5 Adjust Dimensions 7.4 Chapter Review 8 Venting 8.1 Venting Design Objectives 8.1.1 Release Compressed Air 8.1.2 Contain Plastic...
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| Pin Gate Frustration: IDES - The Plastics... |
| The part that caught my attention this month represents two problems that have plagued molders for as long as I have been in plastics: poorly designed pin gates and an unbalanced runner system. |
| Gate Location: IDES - The Plastics Web® |
| I told him the swirls are usually associated with glass-filled nylon 6/6 that is not impact modified. Nylon 6 and 6/66 do not exhibit these surface swirls, and neither do glass-filled nylons with a rubber impact modifier—just straight 33% glass-filled nylon 6/6. I did my usual review of the part, starting with the runners and gates. |
| Fourier Transform Infrared (FTIR): IDES ... |
| Infrared spectroscopy, often abbreviated in the literature as FTIR for Fourier Transform Infrared, is a versatile technique for identifying plastics, detecting localized contamination, and checking the composition of unwanted substances that appear on mold surfaces. |
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