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Tooling system
for turning on
HSK-T TOOLSmulti-taskmachines
HSK-T System High accuracy cutting
(ICTM standard) edge positioning
HSK-T is a new HSK system designed The HSK-T type has a closer tolerance
for turning on multi-task machines that between the spindle key and tool holder
are compatible with HSK-A type (ISO keyway than the HSK-A type. This
standard: ISO12164-1:2001). It was results in higher cutting edge positional
jointly developed by a consortium of accuracy. For milling, the conventional
Japanese manufacturers and is now HSK-A type tools can be still used.
used worldwide as the ICTM standard.
The HSK-T type was registered in the
ISO standard in 2008.
(ISO12164-3:2008)
Compatible with both multi-task machines and machining centres
HSK-T TOOLS
HSK-T (ISO standard) HSK-T spindle HSK-A63 (ISO standard) HSK-A spindle
Turning tool holder Multi-task machines Rotating tool holder Machining centre
Improved keyway tolerance Tolerance comparison (Example) (mm)
0.10
Close tolerance
HSK 12.25 Key tolerance 12.35
A63 0.15 Minimum clearance
HSK
T63 0.08
12.5 Keyway 12.58
tolerance
0.33 Maximum clearance
12.2 12.3 12.4 0.025 12.5 12.6
Spindle key 12.385 12.41
Holder keyway Minimum clearance 0.015
Maintains cutting edge height. 0.035
Higher machining accuracy.
12.425 12.46
0.075 Maximum clearance
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