Expansion pins are the ideal solution for securing parts on the inside diameter on tombstones, grid and fixture plates.
The unique design achieves accurate location, repeatability and high holding forces for securing parts and provide discrete workholding and full accessibility to the work surface with no external clamping interference.
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Location accuracy is achieved through the close tolerance between the Xpansion pin’s locating diameter and busing internal diameter. The top of the pins have a slight taper to maximise line contact in the bore, and to provide clearance during loading and unloading.
Pins expand up to 0.7mm, with the pin’s diameter machineable to your specific application.
Ideal for quick set-up on secondary operation, water jetting operations, or even applications outside of a machining centre.
Available in long threaded version, or shorter press fit model. Serrated and smooth finish in both M12 and M16 threads.
Design simple fixture plate with Xpansion pins located to suit your component, the same hole spacing will be used in the workpiece/raw stock for mounting bolt holes.
Install the Xpansion pin into the fixture plate.
Install the Xpansion pin’s tapered drive screw into fixture plate.
Load workpiece raw stock onto Xpansion pins and tighten tapered drive screws to clamp.
Run first operation – note the clear tooling path possible with no noticeable external clamping interference.
Alexia House
Glenmore Business Park
Portfield Works
Chichester, PO19 7BJ (UK)
Telephone 0333 207 4497
or + 44 (0) 1483 266 777
Email sales@wixroyd.com
Company registration no. GB0496138
Company VAT number GB 408154022
For other bank details visit our FAQs page.