Birmingham Machine Tool Services Ltd can carry out ballbar testing and analysis of the results on all types of C.N.C machinery. Through ballbar testing we can help you:

Verify machine performance Achieve manufacturing tolerances Grade and compare machines Check new machines at commissioning Check machines after a "crash" to make sure machine is able to achieve manufacturing tolerances, or to identify possible causes of machining errors.

Ballbar testing is also a very useful tool as part of your preventative maintenance programme as trends in machine conditions can be spotted and acted on before inspection failures and scrapped components, thus reducing wasted time and increasing productivity.

How does ballbar testing work?

The Renishaw ballbar is a precision measuring instrument (capable of measuring to + or - 1um of accuracy). It collects data on axis movements when moving in a circular motion. Any deviation from a perfect circle is measured.

From the collected data problems with the machine's geometry such as squareness and straightness can be determined. Also dynamic errors such as ballscrew problems, backlash, reversal spikes, servo mismatch, stick slip can also be determined.

Why you should use B.M.T.S for your ballbar testing requirements

We not only provide a ballbar testing service and reports to I.S.O standards, with analysis of results, but also offer a comprehensive corrective action service to bring your C.N.C machinery back to the standard you require for your machining needs.This can include ballscrew repair, slideway repair, backlash elimination. In fact just about every corrective action that can be carried out on a C.N.C machine, and that includes right up to full rebuilding.

Call or e-mail to find out more about what the B.M.T.S ballbar testing, reporting and corrective action service can do for you.





  • “We have been using BMTS for several years now to carry out regular servicing of our tools. The staff are very professional and really know their stuff – we wouldn’t go anywhere else and would definitely recommend them.”

  • “We used Birmingham Machine Tools throughout a major manufacturing project to carry out a number of repairs. We found them incredibly helpful and the quality of the work carried out was second to none!”

    Latest News


    Ian Stonehouse joins as General Manager

    Ian Stonehouse joins as General Manager

     BMTS have won the maintenance & servicing contract

    BMTS have won the maintenance & servicing contract

    BMTS nominated for “The Overseas Success” award

    BMTS nominated for “The Overseas Success” award

    Contact Us

    triangleBirmingham Machine Tool Services
    312-314 Bradford Street, Digbeth
    Birmingham B5 6ET, England

    T 0121 622 6339
    F 0121 666 6406



    Our vision has driven us forward to become one of the UK leaders in our field. With over 35 years' experience serving the engineering industry, we have built up a reputation for great service. Meeting deadlines, budgets, understanding our customers' needs.


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