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Product category: Drilling machines and drill/tap centres
News Release from: Bespoke Machines | Subject: Specialised drilling machines
Edited by the Manufacturingtalk Editorial Team on 30 July 2007

Drilling bowls for a good grip

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Perhaps one would not readily associate machine tools with bowling, but a special machine has been supplied to drill dimples or grips on the crown green type of bowls.

Dimples or grips are drilled on crown green type bowls to give more control over the delivery of the bowl especially in adverse conditions Bespoke Machines has built a machine to do just this

It consists of two automatic feed drilling units and a servo controlled indexing system.

The drilling units were specially modified to give accurate depth control because small variations in hole depth would result in unsightly imperfections in the appearance of the bowl.

The servo controlled indexing system was supplied by TRM in Southport.

This system utilises a simple sequencer programming language called MAP giving the customers the flexibility to experiment with different hole patterns.

The drilling units are each secured to the machine by three slides for X-, Y- and Z-axis control, which are needed for adjusting the drilling heads between batches of bowls balls.

Magnetic encoder strips were attached to each slide to give digital readouts.

This enables the setter to return to old settings much quicker than using trial and error methods.

* About Bespoke Machines - Bespoke Machines Limited is a special purpose machine manufacturer specialising in assembly and drilling machines.

Many production processes do not lend themselves to the use of standard production machines.

Unique machine designs have to be developed for a process to benefit from the advantages of automation.

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