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Expanding Mandrels & Collets

Expanding mandrels are the ideal solution to many rotary / prismatic workholding problems. By holding parts on a datum bore (or outside diameter in the case of a collet) the clamping forces are evenly distributed, reducing distortions during part manufacture. Mandrels also provide a superior method of holding parts which are high volume, have short cycle times or require the highest levels of concentricity.

ADVANTAGES OF CRAFTSMAN TOOL’S EXPANDING MANDRELS & COLLETS INCLUDE;

Positive clamping and release
Fixed backstop for component location
Single tapers to ensure quick and secure clamping with maximum support
High levels of concentricity (to 0.005 T.I.R)
Interchangeable sleeves to cover a range of component sizes
Generous expansion capacities
Resistant to high levels of torque with minimum potential for component distortion
Suitable for robotic loading & link to existing machining mechanisms

Mandrel Demo by AMRC

Bespoke Solutions

We pride ourselves on our ability to design and develop workholding solutions which overcome manufacturing challenges and increase productivity

“Craftsman Tools has provided a variety of mandrels and we have been impressed with the quality of their products. We also chose them to supply collet chucks because they offer a full service from design through to manufacture.”

Andrew Cassie - Manufacturing Engineer

PRODUCT GALLERY

Why Craftsman Tools?

Experience; Craftsman Tools has over 70 years experience in designing and manufacturing Workholding equipment for use in varying industries

Design; our highly skilled in-house design team make effective use of industry standard 3D & 2D CAD software to streamline the design & approval process

Manufacture; we have a large and varied range of CNC Machines which include Multi Axis Milling Machines, Cylindrical Grinding Machines,Wire EDMs and Large Envelope Horizontal Borers

Quality; our team of Quality Engineers make use of the latest metrology equipment including a 1.5x1.3m bed CMM

Delivery; by keeping design and manufacture in-house we have tighter control over production lead times

Pricing; a focus on design for manufacture allows Craftsman Tools to remain extremely competitive on price without compromising quality

Legacy; Craftsman Tools boasts an award winning apprentice school which continues to train the next generations of engineers

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