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Micro Machining Precision Toolholders

SCHUNK has expanded its line of TRIBOS precision toolholders.

"The SCHUNK TRIBOS-Mini, designed for micro applications, is available for high-speed spindle interface HSK-E 20," said the spokesperson. "Compared to conventional steep-angle taper interfaces, the HSK-E 20 ensures exact contact of the toolholder, which allows outstanding change and positioning accuracy. In addition, the close tolerances of the tapered seat result in maximum precision and superior running smoothness at high speeds."

SCHUNK has made improvements in other interfaces as well. The TRIBOS-Mini and TRIBOS-RM series with the interfaces HSK-E 25 and HSK-E 32, starting with clamping diameters of 0.5 mm are now optionally available with a balancing grade of G 0.3 at 60,000 RPM. TRIBOS can also be used for applications with very high requirements for dimensional stability and surface quality.

For multi-axis machining centers, SCHUNK has modified the TRIBOS-RM with an extended L1 dimension of 78 mm. The extra length can be used for many different tasks: in addition to direct clamping it is suitable for clamping of smaller shank diameters. For machining of hard-to-access areas, the toolholder can also be combined with the standardized TRIBOS-SVL Mini tool extension. The universal 5-axis expert is available for the interfaces HSK-A 32, HSK-A 40, HSK-E 32 and HSK-E 40. Its shank diameter is 12 mm for all of these interfaces.

TRIBOS-Mini is now standardized with 1 mm, 1.5 mm, 2 mm, 3 mm, 4 mm, 6 mm and 1/8" diameter. TRIBOS-RM comes with 3 mm, 4 mm, 6 mm, 8 mm, 10 mm, 12 mm and 1/8" diameter. In addition to the existing interfaces HSK-A 25, -A 32, -A 40, -E 25, -E 32 and -E 40, both holders are available for HSK-E 20 and for BT 30.

For more information contact:


211 Kitty Hawk Drive

Morrisville, NC 27560


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