Polishing Mold Surfaces for Injection Molding

Polishing Mold Surfaces for Injection Molding

There are a variety of finishes that can be put onto an injection mold surface, from etching the surface to polishing the surface to a high sheen. For an etched surface, normally if possible, a ground finish is best to start with. However, if the cavity needs to be...
Scheduling Production for Injection Molding

Scheduling Production for Injection Molding

Since I have been in the injection molding trade, scheduling production runs has changed drastically over the years. When I first started in the injection molding trade, scheduling production runs were very predictable. Companies would forecast what their expected...
Injection Molding a Five Inch Long Tube

Injection Molding a Five Inch Long Tube

One of our customers approached Toth Mold/Die Inc. with a request to produce a 5 in. long tube with a .375 in. o.d. x .265 in. i.d. using the injection molding process. The reason for injection molding this part and not extruding it was because the length of the part...
The Injection Molding Cycle

The Injection Molding Cycle

The injection molding cycle sequence is typical for almost every injection molded part.   There are a few exceptions, but for the most part, the injection molding cycle is the same. Before the mold is put into the molding machine, some materials that are...
Injection Molding Stories of Success for Inventors

Injection Molding Stories of Success for Inventors

I was just thinking about some of the projects we have developed and produced over the last 30 years.   One of the first products we did for injection molding was a computerized backgammon game. A group of inventors came to us back in 1978 and asked us to develop...