Product category:
Tubeworking: bending, cutting-off, profiling and end working
News Release from: Surtech Surface Technology Products | Subject: PBZ 100 planetary finishing machine
Edited by the Manufacturingtalk Editorial
Team on 18 May 2004
Planetary machine finishes bent tubes
The polishing of bent tubes and hollow sections is a notoriously difficult operation - normally only be carried out by laborious manual processes - but a planetary finishing machine can do the job.
The polishing of bent tubes and hollow sections is a notoriously difficult operation which can normally only be carried out by laborious manual processes Surtech now offer their Model PBZ 100 planetary finishing machine range which works automatically and does not rely on the skill of the operator
This article was originally published on Manufacturingtalk on 1 Mar 2004 at 8.00am (UK)
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PBZ 100 machines consist of a planetary disc drive with two abrasive belt heads.
Both abrasive belts rotate around the tube simultaneously whilst the tube is fed through.
The tube does not rotate.
Coarse abrasive belts can be used for grinding and surface fault removal, fine abrasive belts for finishing prior to plating, for final finishing or for finishing prior to polishing.
Abrasive impregnated nylon belts blend and satin finish the surface.
Superfinishing belts apply a commercial mirror polish.
There is no restriction on the length of tubes.
4 m long handrails have been polished successfully and in a fraction of the time it would take to polish them manually.
PBZ 100 machines are also suitable for finishing hollow sections, ie roof rails as used in the car industry.
There are four machines in the PBZ range, suitable for diameters from 10mm to 110mm.
Where possible Surtech recommend machines with wet operation as this greatly increases the life of the abrasive belt and results in better and more consistent finishes.
All wet machines can also be supplied in dry versions.
All machines are available with manual or automatic feed.
For manual operation a foot pedal control opens the abrasive belts for insertion of the tube.
For automatic operation this is done by a photocell.
The PBZ models can be viewed and tested at Surtech's Abrasive Test Centre in Birmingham.
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