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SCHUNK - Gripping and Clamping News

Intelligent clamping pressure adjustment speeds up tool change

The SCHUNK TRIBOS fixed scanner stationary reading system for SCHUNK TRIBOS precision toolholders for micro machining promises more speed and maximum process reliability when changing tools. The intelligent clamping pressure adjustment system is permanently installed on SCHUNK TRIBOS SVP clamping devices and is connected to the controller with a cable connector. When changing tools, the operator combines the precision adapters with the appropriate SCHUNK SRE reduction insert, as before, and inserts both of them into the intended opening of the clamping device. There the reading system captures the individually required clamping pressures via a DataMatrix code on the reduction insert and adjusts them automatically on the device. This means that manual data entry errors and damage to the toolholder due to excessive clamping pressure are excluded. In addition, the automated process shortens tool changing. As SCHUNK SRE clamping inserts are only used outside of the machine room and no abrasive chips are exposed, damage to the DataMatrix code is all but eliminated. The intelligent clamping pressure adjustment can be used for the TRIBOS-Mini, TRIBOS-RM and TRIBOS-S series. They are offered as an option for the TRIBOS SVP-2D, SVP-2D/H, SVP-3 and SVP-4 clamping devices. For existing clamping devices, the system can be retrofitted quickly and easily. Due to its compact dimensions, it is also suitable for confined space conditions.

Wear-resistant clamping with maximum accuracy

The TRIBOS polygonal clamping technology developed and patented by SCHUNK has been the benchmark in high-precision machining for many years. Its high absolute accuracy and dynamics, its excellent rigidity and its damping values ensure optimum surface finishes and long tool life. With a run-out and repeat accuracy of < 0.003 mm at an unclamped length of 2.5 x D and a balancing grade of G 2.5 at 25,000 rpm, even the standard toolholders meet the toughest requirements. They are suitable for all tool shanks in h6 quality, and have been tested at up to 205,000 rpm depending on the type. For accuracy in the sub-µ area, SCHUNK also offers individual ultra fine-balanced polygonal toolholders with a balancing grade of G 0.3 at 60,000 rpm. Since the toolholders have no movable parts, they are not mechanically sensitive and therefore ensure almost completely maintenance and wear-free clamping. Even after several thousand clamping procedures there are no signs of material fatigue. With the help of hydraulic clamping devices, which are offered as manually or automatically operated versions, tool changing is reliably completed within a few seconds.

Responsible for the content of this press release: SCHUNK GmbH & Co. KG Spann- und Greiftechnik

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SCHUNK GmbH & Co. KG Spann- und Greiftechnik
Bahnhofstr. 106 - 134
74348 Lauffen
Germany
(+49 7133) 1 03-0
(+49 7133) 1 03-23 99

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