At Cannex & Fillex de las Américas 2019 in booth 523, United Grinding North America will feature the Studer S131R, a radius internal cylindrical grinding machine with advanced technology well suited for manufacturing dies, especially in the packaging industry, where tungsten carbide and ceramic part materials dominate production.
The machine allows shops to generate diameters, cones, and transitional radii with polished surface quality through B and X/Z axis interpolation.
The Studer S131R excels in the production of complex workpieces made from extremely hard materials as well as in general grinding applications and creating hydraulic components such as axial pump pistons, guide plates, and housings from hardened steel, cast iron, and copper. The machine also handles single-clamping production of complex workpieces with tapers between 20° and 90°.
The machine’s fully automatic, completely sealed, simultaneously swiveling direct-drive B axis offers superior thermal stability, mechanical rigidity, and interpolation throughout its swivel range from -60 degrees to +91 degrees, while the workhead C-axis enables form and thread grinding. High-precision axis drives with linear motors provide speed and accuracy, and a -50˚ to +280˚ swiveling spindle turret with up to four grinding spindles enhances grinding flexibility. Temperature-stabilized components define precision while a Granitan® S103 mineral casting machine bed provides thorough vibration damping.
With a swing diameter of 11.8″ (300 mm) above the table, 13.780″ (350 mm) X-axis/cross slide travel, and 15.748″ (400 mm) Z-axis/longitudinal slide travel, the S131 can machine external diameters up to 6.3″ (160.02 mm) with an external grinding wheel 9.8″ (248.92 mm) in diameter. The S131R accommodates parts up to 11.8″ (299.72 mm) long and up to 220 lbs. (99 kg), including clamping device.
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