Articles

Filter Content

Staying lean in a lean economy

June 18, 2002

By:

Slow times call for some desperate measures, but losing sight of a lean approach to manufacturing should not be one of them. Take an opportunity that slow times present to evaluate your business and take appropriate steps towards a lean operation.

Continue Reading

Mixing welds & bolts

June 13, 2002

By:

This article provides background on bolted connections and situations in which welds are added to mechanically fastened joints. It also offers information on AWS code provisions for mixing fasteners and welds.

Continue Reading

Automating reciprocating saw blade production

June 13, 2002

Milwaukee Electric Tool Corporation faced the problem of finding reciprocating saw blade production equipment that could withstand continuous on-demand operation, accommodate a variety of material thicknesses, and fit into its tight floor space parameters. This was solved, after a long search, by using an AIDA gap frame press, which limits frame deflection, has low overall bearing clearance, and a patented overload protection system.

Continue Reading

Anatomy of an abrasive cutting machine

June 13, 2002

By:

This article discusses the components that make up a modern abrasive cutting machine. Many of the design considerations are based on the characteristics of the cutting wheel. The author also discusses feeding systems, vises, ejection systems, and the electronics and software that control the machine. Also included is some safety information.

Continue Reading

Exploring dry cutting technologies

June 13, 2002

By:

The evolution of high power dry plasma technology and other cutting methods, such as conventional dual gas PAC, water injection PAC, high precision PAC, and laser for metal fabrication. Variables such as, process speed, cut quality, productivity, and cost per foot are discussed in detail.

Continue Reading

Achieving success with rotary draw bending

June 13, 2002

By:

This article discusses several aspects of rotary draw tube bending, including machine specifications; tooling and lubrication; tube material; and machine controls. It discusses advantages and disadvantages of single-level and multilevel machines; selecting lubricants and coatings to reduce tool wear; consistency of tube dimensions and the material's characteristics; and how machine controls are programmed or manually set by the operator.

Continue Reading

Forge welding process diagram

Electric resistance welding at a glance

June 13, 2002

By: ,

This article provides an overview of electric resistance welding (ERW). It dicusses high-frequency ERW (contact and induction) and rotary wheel contact welding (AC, DC, and square wave). It describes the differences among the processes, as well as the power supplies and weld rolls.

Continue Reading

Examining roll forming machinery, tooling, and lubrication

June 13, 2002

By:

Given the problems in your roll forming operation aren't attributable to material, you may want to look into machinery setup and especially your lubrication situation to uncover the real culprit.

Continue Reading

A case study in lean manufacturing and Six Sigma

June 12, 2002

By:

You never know who in your company might be a diamond in the rough, waiting to shine. Giving everyone in your company the opportunity to take risks and learn from their mistakes is the best investment an employer can make.

Continue Reading

Using benchmarking for bend deductions

May 30, 2002

By:

Benchmarking is a very good idea for your operation ... just make sure your benchmarks are your own.

Continue Reading

Designing a safe, highly productive system

May 30, 2002

By:

The best way to make sure that machine operators can do their jobs effectively with proper safeguarding is to desgin machine systems around those safety devices in the first place.

Continue Reading

Cleaning metal parts

May 30, 2002

By:

This article describes the characteristics of perchloroethylene and suitable applications.

Continue Reading

Bumping up large-radius bends

May 30, 2002

By:

The step-bending method can be a good way to achieve large radii without having to spend huge sums of money on special tooling.

Continue Reading

Giving your press a lift

May 30, 2002

By:

This article outlines how operational changes, planning, and combinations and adaptations of existing technologies are upgrading quick die change. Die standardization and new technologies, such as mechanical die lifters, box-style lifters rolling bolsters and programmable logic controllers, is making quick die change more efficient and cost effective.

Continue Reading

Improving stamping production end to end

May 30, 2002

By:

Exploring the benefits of welding coils in roll forming and progressive stamping operations. Welding coils can reduce scrap, downtime, and tooling damage. A variety of coil end joiners are described, such as portable, stationary, single-and double-cut, fully automatic, and semiautomatic.

Continue Reading