Overmolding Making By Aco Mold - Chinaprice: contact company for price
then taking the PC part to a second machine and loading it in a second
mold and ' overmolding' the TPU. When speaking of cellphone covers you
are probably molding the part in a single machine with 2 injection units
where you get a finished 2 component part from one injection molding
machine. Which can be called double injection or 2k molding. A
completely different process, mold and machine. An ' overmolding' job is
typically of much lower volumes than you see with cellphone housings and
doesn' t warrant the expense of the 2K mold or the machine with 2
Aco Mold has made many injection molds with the cavity on both sides of the mold being equal and the cores for each shot being different. The requirement is that the first shot of material A must stay in the cavity, the moving half rotates and the second shot ' B' material is injected on one side of the injection mold and the A material is injected on the opposite side of the injection mold. Then the complete part is ejected from the first cavity set. Rotate again, inject, then eject the second full shot. This scenario you need both cavity sets to be equal and the core sides to be different. But yes- - - the injection molds must be dimensionally precise- - - not every Tool Shop can build these.
- Posted By: Injection Molding China
- Phone: 86075586651200
- Address: Fengzheng industrial Park, Fengzheng, Shenzhen, China
- Website: http://www.acomold.com
Published date: December 2, 2014 -
- Business Description: Our company is situated in Central Europe. There are many costumers that
are asking for our offers for plastic injection mold details that they
use to buy from China. The reasons are the higher prices and quantity
China policy, higher tech & Quality production. Side effect, Higher Costing. Actually, it is common process of every industrial country. However, the growing of China is much faster than others.
I worked with a Chinese injection mold shop importing their tools to Japanese transplant companies here in the USA. They offered three levels of tooling: Japanese (similar to American, Canadian and German), then Korean, finally Chinese. They had facilities or partners in those countries so they could control the manufacturing process thus the quality.
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