October 2002 Issue

October 2002

Increasing Torque For A High Speed Spindle

Torque, not power, is the most important characteristic for determining the cutting performance of a spindle. Increasing spindle torque for a high speed machining center ultimately affects not only the choice of spindle but also the design of the machine.

Features

Featured articles from the October 2002 issue of Modern Machine Shop

Horizontal Machining Centers 15 Oct 2002

Getting To Know Grob

With some familiar names in the machine tool building business fading away recently through mergers, acquisitions, or shutdowns, it may be interesting to learn of an unfamiliar or little known machine tool builder.

1 Oct 2002

It's Not Your Father's Manufacturing Technology

Dark. Dirty.

1 Oct 2002

Welding On A Machining Center

Multiple-process machine tools generally combine two or more processes for metal removal. A lathe may have milling capability, or a machining center may perform grinding. But what about combining metal removal and metal joining in one machine? A process called 'friction stir welding' permits exactly that.

Milling Tools 15 Oct 2002

The Case For Copy Milling Cutters

The round-insert 'button cutter' can bring a high metal removal rate to a low horsepower machining center.

Horizontal Machining Centers 15 Oct 2002

Weighing The HMC's Pluses

A horizontal machining center enabled this scale manufacturer to get its machining department back into shape.

Die/Mold 1 Oct 2002

Chinese Competition In Die/Mold

For several years, the buzz among American moldmakers has included the persistent complaint that competition from China and other Asian nations is eroding business conditions.

Grinding 15 Oct 2002

Getting In Gear With An Automated Cell

This production cell embodies several unusual but very effective concepts for keeping process variables under control with little operator intervention.

Vertical Machining Centers 15 Oct 2002

System Simplifies Probing Operations On VMCs

Few machinists will dispute the merits of probing for speeding part setup, setting tool offsets and performing in-process inspection . . . at least in theory. In practice, however, probe systems often have been viewed as difficult to use and expensive to buy.