Frequently Asked Questions
- How do I place an order?
Orders can be placed quickly and easily by registering with our web site. Alternatively, you can contact us by telephone on +44 (0)117 970 1101 or fax on +44 (0)117 970 1181. - What is the accuracy of the workholding system?
Our system delivers a guaranteed accuracy of 0.013mm, which is maintained constantly as mating surfaces wear to a gauge fit. - What is the expansion range?
Our sleeves have a standard expansion range of 0.80mm. - Are mandrels designed to fit only one sleeve?
No, one mandrel is able to accommodate a wide range of sleeve sizes. - What is the mandrel’s clamping power?
Thanks to 360-degree clamping along the entire sleeve length, our mandrels’ deliver greater clamping power. This is further enhanced by the pull-back action on to the locator. - Is it easy to release the component after machining?
Yes, our double-angle system guarantees the automatic self-release of a component, enabling quick loading and unloading. - What about repairs and replacement?
All our mandrels can generally be reconditioned by having the expansion angle re-ground. All replacement sleeves will maintain the original accuracy of the unit. - Can PTG Workholding provide a workholding solution for my problem?
Yes, PTG Workholding can customise to the customer’s requirements upon receipt of machine and component data. Please see the Special Sleeves and Applications form for more information. The form is online at www.ptgworkholding.co.uk.