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Cutting and Profiling Subcontracting Services
News Release from: H C Holifield (Oxford) | Subject: Turning
Edited by the Manufacturingtalk Editorial
Team on 04 May 2004
Aluminium Tube Turned To Close Tolerance
Contract machinist, Holifields, which specialises in work for the medical sector, was recently asked to produce eight, high accuracy coil formers for electromagnets to be used in body scanners.
Contract machinist, Holifields, which specialises in work for the medical sector, was recently asked to produce eight, high accuracy coil formers for electromagnets to be used in body scanners Aluminium tube of 214.5 mm OD needed to be turned to diameter and length tolerances of +/- 0.03 mm, and to Ra 0.8 micron surface finish
This article was originally published on Manufacturingtalk on 31 Oct 2002 at 8.00am (UK)
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Pick-up spindle VTLs installed to reduce costs
Another example of the increasing popularity of self-loading vertical turning lathes are the two installed by a contract machinist to keep production costs down.
A Daewoo Puma 400M mill-turn centre on Holifields shop floor in Abingdon was chosen to turn the components between centres from 432 mm long sections of BS1474-6082(T6) aluminium tube.
Along two 74.18 mm lengths, wall thickness was turned from 34 mm down to 6 mm.
Nine additional slots were then turned to various depths, one at each end and seven in the central section.
Drilled and tapped holes (M8, M5 and M3) and slots were required in both end faces, so the parts were put on a Mynx 550 vertical-spindle machining centre to be completed with the help of angle heads.
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