Automotive
The Value Of Indexable-Insert Center Drills
This indexable-insert center drill, said to be an industry first, combines the drilling performance advantages of solid carbide with the positioning repeatability and quick-change benefits common to indexable-insert tooling.
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What’s Ahead For The North American Auto Industry
Here are highlights from a presentation by an auto-industry observer at Makino’s recent technology expo.
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Triple Tap Life
A maker of vehicle components finds that a treatment process for taps produces dramatically longer tool life.
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Cutting Spiral Bevel Gears On A Five-Axis Machining Center
To produce high-precision ring gears in low- to mid-volumes, an emerging option is the use of five-axis machining centers. Mitsui Seiki CNC vertical and horizontal machining centers are being used in this application.
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Getting Concept To Car Faster
Joe Gibbs Racing applies a number of workholding techniques to speed the production of racing components its engineering team creates every day.
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Hobbing on a Turning Center
This manufacturer’s use of live-tool lathes overcomes labor cost in various ways. One of the latest sources of savings involves bringing another operation—hobbing—into these machines. INCLUDES VIDEO.
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A New Spin On Vertical Grinding
Simultaneous, dual-wheel vertical grinding offers advantages for finishing bearing surfaces and other critical features on shafts. Having two opposing grinding wheels in contact with the workpiece at the same time neutralizes axial forces and shortens cycle times.
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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.
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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 particles.
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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, the potential for part damage due to excessive handling and the o
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