Because it's a better process! As of today it's the best method for making rubber parts!
Mixing the rubber, preheating the rubber, adding more heat through injecting into a mold
that's already closed are all good things for processing rubber. And each of these steps
give you multiple parameters you can control to optimize your production, quality, labor
and scrap. US Molding presses give you the ability to easily and consistently control each
factors and many, many, more. Listed below are several specific benefits and why they occur.
Benefit 1) Increase Part Quality
- Better fill: due to consistently heated rubber and
injecting it into a closed mold
- Consistent cure: due to preheated rubber and
consistent contact with the mold
- Homogeneous material: due to mixing of rubber
Benefit 2) Reduce Cure Time / Cycle Time
- Rubber preheated by screw
- More rubber in contact with mold
- Rubber heated externally
- 30% to 80% reduction in overall production time
- Rubber heated during inject
Benefit 3) Increase Mold Life
Benefit 4) Decrease Flash
- Rubber flows with less pressure when warm
- Mold already closed
Benefit 5) Decrease Scrap Material
- Better quality (See Benefit 1 above)
Benefit 6) Reduce "Post Cure" Labor Time
- Exact amount of rubber
- Tear away trim
- Less Flash
Benefit 7) Design More "Detailed" Parts
Benefit 8) Eliminate Material Weighing and Prepping Time
- Precise shot size
- Machine measured and applied
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