Product category:
Cutting tools
News Release from: Sano Tools/Chiltern Tooling | Subject: Cold forming taps
Edited by the Manufacturingtalk Editorial
Team on 10 October 2006
Cold forming taps with no cutting edges
Chiltern Tooling cold forming taps have no cutting edges or flutes.
Chiltern Tooling cold forming taps have no cutting edges or flutes They are designed to cold form wire insert internal threads in aluminium, brass, magnesium, zinc and other ductile metals
This article was originally published on Manufacturingtalk on 15 Aug 2005 at 8.00am (UK)
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Standard and special cutting tools are on-line
As well as manufacturing special tools to order, Chiltern Tooling makes bright and coated solid carbide cutting tools and provides a complete service.
Because they have no flutes, they are much stronger than conventional thread cutting taps and where used correctly result in greater tap life.
Due to the absence of swarf they also achieve much better blind hole characteristics without the associated chip removal problems.
Higher than normal tapping speeds have been found to be advantageous and in some cases twice the normal recommended speed for thread cutting taps has been applied.
Better results have been achieved using lubricating oils rather than conventional cutting oils.
Cold forming, compared to cutting, produces threads with an unbroken grain structure and therefore much stronger.
As a result the normally accepted 75% thread depth produced with thread cutting taps can be reduced to 60% depth without any loss of strength, vist us at the Chiltern Tooling website.
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