Holemaking

Holemaking 15 May 2003

Drilling Dry With A Heat Pipe

It's widely known that hole making is, by a significant margin, the most frequently performed process among metalworking operations. It's also among the most difficult operations to control from a thermal perspective.

Holemaking 3 Jan 2003

Another Way To Square—Or Is It Perpendicular?—It Up

There are a number of tools available for shop personnel to evaluate the right angle relationship between two surfaces. The basic machinist square has a number of variations, the most common being the hardened steel square used to check right angles and set up milling and drilling machines.

Machining Centers 15 Dec 2002

A Boring System For Non-Round Holes

Machining an out-of-round bore is easy if you're not particular about the location or magnitude of the roundness error. But accurately machining a hole that has a precisely defined non-round profile is a capability that would seem to be well beyond what a standard boring bar can accomplish.

Measurement 15 Nov 2002

CMM Locks In Inspection And Productivity

This company, established more than 140 years ago, manufactures a high volume of brass padlocks annually. They are made on two large rotary transfer machines with drilling capabilities. The company is also doing reverse engineering for tooling purposes for other machines it uses in its manufacturing and assembly departments.

Holemaking 15 Sep 2002

Tooling Reduces 21 Minute Job To 9 Minutes

Shop leadership was looking for a way to reduce the time it took to complete a very difficult boring job. The job took 21 minutes per part to complete with multiple roughing and finishing processes. It required 10 minutes of hone time.

Holemaking 15 Sep 2002

Boring Bar Adjusts In The Cut

Firms that do a lot of boring of gear boxes, valves, castings and other complex components on horizontal boring mills, floor-type boring mills and similar horizontal-spindle machines should be interested in Controlled Boring Bars and Contouring Heads.