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Before Use

HSK Holder Mounting and Removal

Usage Precautions

•  Referring to the Tool Presetter User's Manuals (STP Futura, STP Magis, STP Essentia, TPS), attach the HSK Front Clamp Adapter to the 

presetter body. 

  Perform X-axis and Z-axis origin presetting with reference edge and ØD dimension as reference.
•  If you are using STP Futura, STP Magis, or STP Essentia, register the adapter on the presetter itself.

 HSK Holder mounting

 HSK Holder removal

(1) Loosen the LOCK and OPEN screws counterclockwise, until 

they both protrude about 5 to 6 mm from the outer diameter. 
(Fig. 1)

(2) Insert the HSK Holder into the adapter. When inserting, be 

careful not to get your fingers caught in the flange face. 

  Tighten the LOCK screw clockwise until the adapter and HSK 

Holder flange faces are in close contact. (Fig. 2)

(3) After tightening, loosen the LOCK screw one turn to the 

counterclockwise direction. (Fig. 3)

(1) Loosen the LOCK screw counterclockwise, until it protrudes about 5 to 6 mm from the outer diameter. (Fig. 4)
(2) Tighten the OPEN screw clockwise with a wrench. The taper catch will be released, and the adapter and HSK Holder flange 

faces will separate by about 1 mm. (Fig. 5)

(3) Remove the HSK Holder.

LOCK

5 - 6

mm

5 - 6

mm

OPEN

• This adapter is a product intended for tool presetting. Never use it for any other purpose (actual machining, etc.). 
• Never use this adapter for tightening or loosening procedure for collet chucks, etc.
• Never remove the OPEN or LOCK screws, as the clamp mechanism may fail to function properly.

OPERATION MANUAL

Caution

Remove any oil or foreign matter on the HSK Holder and 
adapter flange faces and taper parts. Adhered foreign matter 
will affect measurement accuracy. It may also damage the 
adapter or HSK Holder.

Caution

With the LOCK screw fully tightened, the lateral tightening 
force may cause unstable accuracy.

• Please read these instructions before use and keep them where the operator may 

   refer to them whenever necessary.

• We certify this product has passed our rigorous inspections of quality and accuracy.

HSK Front Clamp Adapter

LOCK

LOCK

1mm

LOCK

OPEN

(Fig. 1)

(Fig. 2)

(Fig. 3)

(Fig. 4)

(Fig. 5)

5 - 6

mm

Complete 

Fit

Complete 

Fit

OPERATION MANUAL DOWNLOAD SITE

https://big-daishowa.com/manual_index.php

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