Understanding Torque…

I received this question the other day via telephone… Steve Can you explain the concept of torque…? and why using a torque wench is so important? My Response Basically… Torque is a measure of rotational force. In other words, the force being applied to rotate something is considered torque. The way torque is calculated is […]

Producing Hollow Parts…

A molder in China just sent this unique question about producing hollow parts… CJ We are a molder in China and our customer asked us to prototype a decorative hollow part for a consumer application. What is the best method to do this? My Response In the prototype phase, the quickest, and least expensive way […]

The Benefits of Low RPM Grinders…

One reader asked this question regarding grinder selection… Allen I am considering the purchase of a low RPM grinder for nylon sprues and runners, is there any reason I should reconsider? My Response Note: High RPM grinders typically rotate a set of blades at a very high speed. When the rotating blades pass by the […]

Optimizing Fill For Electric Molding Machines

This question just came in regarding energy savings and electric molding machines… Kyle I know that having a short shot can provide a more reliable process, but my technician says a fill during first stage saves electricity since we can use a lower packing pressure. Is this True? My Response First, you are correct that […]