______HSD Technological equipment for Automation _____________________________________
5801H0017 Rev. 02 _________________________________________________________ 54/98
11.4.2 HSK F63 tool holders
Always respect the following conditions when selecting a tool holder:
• Cone geometry must comply with DIN 69893 standard.
• Do not use tool holders that have lumps, hollows, or other shapes that could affect dynamic
balancing.
• Dynamic balancing must be better than G=2.5 (ISO 1940 standard) at the electro-spindle's
maximum rated speed.
• Balancing must always be done with the tool assembled (cone, elastic collet, ring nut, tool).
Figure 11.2
HSK F63 CONE
DIN 69893
Never use tool holders that do not comply with the above conditions.
Failure to comply can lead to breakage and accidental release of the
tool holder cone, with potentially serious consequences for the
operator.
HSK VERSION ONLY:
NEVER START THE ELECTRO-SPINDLE WITHOUT THE TOOL
HOLDER IN PLACE.
Starting an HSK electro-spindle with no tool holder puts the balance and
functioning of the collet at risk.
Push the tool holder in until it touches the face.
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