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Precision three-jaw chucks available from Norelem

Posted on 14 Sep 2020 and read 401 times
Precision three-jaw chucks available from NorelemAccuracy and effective workholding has always been key to engineering. Now, engineers can hold workpieces securely with the highest precision while at low clamping forces, thanks to Birmingham-based Norelem’s new precision three-jaw chucks.

Specially developed to easily hold cylindrical workpieces externally or internally, Norelem’s three-jaw chucks are ideal for holding tasks such as measuring technology or laser labelling.

The components are designed for manual operation and are available in four compact sizes with diameters of 50, 64, 104 and 160mm. The bodies of the 50 and 64mm chucks are made from steel, while the 104 and 160mm versions are made from aluminium so they are light and ergonomic to handle. For increased durability, the chuck’s jaws are engineered from hardened steel.

Norelem CEO Marcus Schneck said: “We have added these precision three-jaw chucks to our range because we know just how important it is to be able to securely hold cylindrical workpieces easily and efficiently.

“To meet this challenge, the jaws on our components are easily operable, and are opened and closed by simply rotating the clamping ring by hand or using the supplied lever.”

With a concentricity of <0.03mm, a circular runout of <0.01mm and a repeat clamping precision of <0.01mm, the new workholding technology from Norelem offers excellent performance and accuracy.

The hardened jaws are stepped on the internal diameter and can be reversed. To further help engineers, numbers are marked on the top and bottom of each jaw and this number must match the number marked on the matching slot on the chuck body.

Norelem also supplies different sized pins as an accessory to the chucks from itsstandard components catalogue The Big Green Book. The pins fit into the holes of the jaws and will hold small parts in a raised position. This makes all faces of a workpiece accessible for tasks such as measuring or marking. The chuck can be fixed in place using the thread on the rear side.

Norelem is a leading manufacturer and supplier of flexible standard parts and components for mechanical engineering. The company supplies 60,000 standard products relating to standard machinery and operating elements, as well as automation components. — 98% of these parts are available from stock, and the business delivers on-site technical support for products. This high level of inventory also enables Norelem to provide fast and reliable delivery times.