Plastic Injection Molding Setup Sheet

Setting an injection mold is more than loading and fixing the mold to injection machine there are many other important things to do after you clamp the injection molds.

Plastic injection molding setup sheet.

Documentation of the process is usually captured in what most call the machine mold setup sheet seems simple enough but if you visited the estimated 16 000 molding shops in the u s. Approach a is use sheets that replicate all of the machines. One is a machine parameter the other is a plastic parameter. After a new injection mold is construction is finished the mold maker need to set up the injection mold to do test or molding plastics.

Process control based on easily measured plastic variables independent of machine behavior. The profile should run from a cool rear setting to a progressively hotter front zone and nozzle as outlined on the setup sheet. To clarify i will distinguish between the injection velocity vs. Fill time parameters that are common to all injection molding processes.

2 start the machine make sure the injection sled is in the full back position and set the barrel heaters to the proper temperatures. 3 open the clamp wide enough to accept. Most molders readily grasp what scientific molding offers. Because of this a mold can be moved from press to press without laborious setup tweaking and adjustment to compensate for differences in machine capability.

How to setup a plastic injection workspace davehakkens. Two decades ago a 30 million custom molding company was considered a top business today as a result of mergers acquisitions and growth that has outpaced the national average a company that size is considered small. Processing setup sheet for injection molding process injection molding parameter units typical setting melt temperature f 450 460 nozzle f 440 450 adapter f 450 460 front f 450 470 middle f 440 460 rear f 430 450 hot runner manifold temperature f 380 420 first or boost stage injection. Turn on the feed throat cooling water.

There are different methods for making setup sheets for injection molding and various companies all have different approaches. You d wind up with 16 001 different setup sheets. So although an individual can set up a small injection molding operation for less than 1 million unless the company has a special capability to offer or establishes a sound. Even worse there is a different setup sheet for each different press the mold goes into.