Automotive Machining

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Published: 9/18/2008

New Honing Options For Hypereutectic Aluminum Cylinder Bores
Hypereutectic aluminum is saturated with silicon particles that must be exposed during honing. A two-stage process first hones a cylinder’s wall to a mirror-like finish and then relieves aluminum around the silicon particles.

Published: 9/17/2008

How to Hone an Atypical Aluminum Alloy
Hypereutectic aluminum used for engine blocks contains silicon particles that must be exposed during cylinder honing. This can be done using a cushioning, elastomer honing tool that allows individual abrasive particles to “bounce” over the silicon p...

Published: 8/20/2008

Hydraulic Workholding Devices Allow Total-Perimeter Machining
Having access to the entire perimeter of a part minimizes set ups because shops can machine five sides of the part in one fixturing. This enables shops to reduce the total number of manufacturing operations, the number of times parts must be handled...

Published: 8/20/2008

From Virtual To Reality
 This article tells how a shop used infomation available on the Web to solve a tough production problem on its shop floor.

Published: 7/27/2008

Bringing Anodizing In-House
What’s it going to cost? How much space do I need? What environmental hassles will I encounter? How steep is the learning curve? Exactly what is anodizing? Here are answers to preliminary questions shops have about bringing anodizing in-house. 

Published: 5/29/2008

Turning Is Optional
The part requires only milling and drilling, but it is still run on a lathe. Except for the cutoff tool, all of the turret positions on this lathe hold rotating tools. In other words, turning is not essential for using a lathe effectively. This appl...

Published: 4/1/2008

A 'HOLE' New Ballgame With Multi-Spindle Honing Systems
Automating the honing process is key to high-volume precision bore production with sub-micron accuracy.

Published: 1/1/2008

Challenges In Cutting CGI
Compacted graphite iron is increasingly used for diesel and racing engine components. The choice of cutting tool can dictate how effective shops are able to machine this challenging material.

Published: 10/9/2007

Lose The Peaks, Leave The Valleys
Plateau honing improves cylinder wall surface finish by gently removing tiny peaks of torn or folded material. Ball-style honing tools are commonly used to produce this desirable finish.

Published: 9/12/2007

Machine Tools Used As Dedicated Equipment…For A Little While
Two keys to this shop’s success are versatility and speed. It uses flexible machining centers, rather than dedicated equipment, and constantly reconfigures them into new cells for new jobs. The speed at which it can do this, in addition to in-house ...

The Field Guide for Automotive Management