Is granite surface plate better than cast iron surface plate?

Why granite? Is it better than steel or cast iron for precision surfaces? The answer is ‘yes’ for almost every application. The advantages of granite include: No rust or corrosion, almost immune to warping, longer wear life, smoother surface to move components, greater precision, virtually non- magnetic, low co-efficient of thermal expansion, low porosity, low … Read more

Are You Losing Money Due to Poor Work Holding Solutions?

Machinists and production engineers are often challenged by workpiece variations: some are thin walled while others are oversized or irregular in shape. In such cases, a standard chuck may not be the ideal workholding solution.  It is often possible to develop clever work-arounds, like fixtures. But these are not economical for line and batch production. … Read more

Maintain the Efficiency Of Your Chuck With Regular Lubrication

All customers want a “quality” product. Having served the metalworking industry in India for 60 years, GMT prides itself on the quality of its chucks and workholding solutions. Therefore, it strives to deliver a product of the best quality to each of its customers. However any machine, or machine part can maintain it’s quality service … Read more

Worm and Worm Wheel Chuck Vs The Scroll Chuck

  The scroll type chuck consists of a scroll disc with scroll thread that meshes with teeth on the 3 jaws for simultaneous radial motion. On the rear side of this disc, there is a bevel gear which engages with the a manually operable pinion gear in the chuck body. In the GMT hand-operated chuck, … Read more

PV’s Daughter Remembers

PV started off machining automobile components, like gear blanks, for various companies he knew. Some of the rejects were used as paper weights, and when we kids visited the factory we played for hours, rolling them around and stacking them, while conversations on machining, allowances, tolerances, deliveries, payments and delays floated above our heads. Not … Read more

GMT Diamond Jubilee – 1959-2019

We are delighted to share that October 29th, 2019 marks the 60 the anniversary of our incorporation. Inspired by Mr. P.Venkat Raman (PV), who had a fierce passion for machine tools and dreamed of setting up a factory when he was still a young lad at school. In those days, when one started a business, … Read more

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