Toolholding that’s fit for purpose

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Jason Short is a Technologies’ Tooling and Equipment Manager at UK-based YMT Technologies: “Around that time, Marquart in Germany was developing a system of inductive shrinking, and in 1994, the company obtained a European patent for its Thermo-Grip tooling and an inductive machine,” he explains.

During 2001, the Thermo-Grip group was formed by the companies Diebold, Bilz, Marquart and Komet. The group holds many patents for innovations in shrink-fit technology and they all manufacture shrink-fit holders using design specifications first introduced by Diebold for the Thermo-Grip tool holders. This design eventually became a DIN standard, and is now accepted globally.

Efficiency at maximum precision

For shrink fitting carbide shank tools from 3 to 32 mm diameter and HSS shank tools 6 to 32 mm diameter, Diebold offers the manually operated HS1100. The horizontal configuration of the HS1100 unit is said to make adjusting and setting the tool length straightforward. An optional length-setting unit for pre-setting the length of the cutter protrusion adds convenience when transferring the tool offset data to the machine.

Reduced vibrations, fast, smooth machining

Changeable adaptors allow various tool holders to be accommodated, from HSK 32 to HSK 100 or SK/BT 30 to SK/BT 50, with a broken tool removal unit installed in all holder adaptors. For cooling the patented chiller unit, the FKS 04 is recommended when rapidly cooling Thermo-Grip chucks. It’s available for manual operation or as a single button automatic sequence with tool changes claimed to take as little as 40 seconds, the company says.

Self-contained shrink-fit tooling solutions from Diebold include the ISG 3400TWK and the ISG 3400WK, both of which feature water cooling to make the shrink fitting and cooling of cutting tools a simple operation.

Jason Short concludes: “Using Diebold shrink-fit toolholding technology, vibration is reduced and machining is noticeably faster and smoother. Manufacturing times can be reduced while maintaining quality and accuracy.”

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