JINING QINFENG MACHINERY HARDWARE CO.,LTD
JINING QINFENG MACHINERY HARDWARE CO.,LTD
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July 31, 2019

What is the tool holder?

Tool shank is a kind of tool, which connects the machine spindle with tools and other accessories. At present, the main standards are BT, SK, CAPTO, BBT, HSK and other specifications of spindle models.

Standard of TOOL HOLDER
At present, the main standards are BT, SK, CAPTO, BBT, HSK and other specifications of spindle models.
BT and BBT are both Japanese standards, and they are also commonly used standards.

SK (DIN6987) German Standard
Traditional tool shank has ER type, strong type, side solid type, plane milling cutter type, DRILL CHUCK, Mohs taper shank modern hydraulic tool shank, thermal expansion tool shank, PG (cold pressing) type.

Accuracy and function of Tool Holder
BT, SK, is a simple, popular standard for spindle tool holder connection, mainly BT30, BT40, BT50, SK30.... And so on. Mold industry, and high-speed engraving machine, used more.
HSK type belongs to the need for the birth of high-speed later. HSK-E type, F type, can be processed normally under the condition of 340,000 revolutions, providing guarantee for high precision workpiece. At present, the Japanese standard, BIG tool handle is better, the European system of REGO-FIX AG is better.
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