Cylindrical Grinding Machines Offer Larger Workspace

Varia universal cylindrical grinding machines from Hardinge Grinding Group’s Kellenberger division have been updated with a larger workspace, a longer machine table and a distance between centers of 63" (1,600 mm).

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Varia universal cylindrical grinding machines from Hardinge Grinding Group’s Kellenberger division have been updated with a larger workspace, a longer machine table and a distance between centers of 63" (1,600 mm). Well-suited for high-precision production of prototypes and small and medium-size production batches, typical areas of use include machine construction, production of tools and molds, and production of precision components.

Hydrostatic guideways offer high form accuracy for all grinding tasks involving interpolating axes, providing excellent damping, stick/slip-free operation, high rigidity and a constant machine temperature. According to the company, this results in outstanding surface quality and productivity, and more process and operation reliability, without any friction loss and wear. Direct drives on the rotary axes guarantee high positioning speeds and accuracy.

The solid machine table with reinforced bed improves rigidity, enabling the grinding machines to handle workpieces as heavy as 661 lbs (300 kg). The machines are available with distances between centers of either 39.4" or 63" (1,000 or 1,600 mm), and heights of centers of 7.8", 9.9" or 11.8" (200, 250 or 300 mm). Larger heights of and distances between centers make the machines faster and more precise, offering improved performance and productivity, the company says.