Paul Williams

Hill Engineering Inc.
373 Randy Road
Carol Stream, IL 60188
Changing the point of attack -

Tube and Pipe Production | Articles | The Tube & Pipe Journal

Changing the point of attack

December 8, 2010 | By Paul Williams

For inline cutoff, tube and pipe producers typically use a mechanically driven, single-blade device. This type of cutoff unit is good for most applications, but in many specialized cases, it might not produce good results. Square or rectangular tubes, heavy walls, and lockseam tubing present cutoff challenges that call for a hydraulic unit or a swing blade.

Continue Reading

Roll Forming | Articles | The FABRICATOR

Rotary punching revisited

August 6, 2009 | By Paul Williams

New ways to increase production, reduce labor costs, and maximize floor space may be found by revisiting a 50-year old technology—rotary punching. Many part features and patterns can be punched and formed using pull-through rotary units at up to 300 feet per minute(FPM) in materials as thick as 1/16 inch. In addition, cam technology allows rotary punching and forming of material thicknesses up to 0.105 in. (12 gauge). Servo drives empower line speeds as fast as 650 (FPM).

Continue Reading

Roll Forming | Articles | The FABRICATOR

Is metal roofing fabrication right for your shop?

April 10, 2007 | By Paul Williams

When deciding whether to produce roofing panels, you need to determine your ROI, based on if you can use existing equipment or need new equipment, the required panel appearance; possible line configuration; and material handling options.

Continue Reading