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11-5 Relation Between Spindle Nose Key and ATC
When turning edges of tools which have directionality such a boring bar in the direction of key
of the magazine grip, the edges, attached to the spindle by ATC action, turn to the left from the
machine front.
11-6 Attention When Using Oil Hole Tool
• When attaching an oil hole tool, attach it so that the pilot plunger (positioning pin) may
come in the direction of the key of the magazine clip.
• When using an oil hole tool, cutting chips attached to oil hole block side may cause
troubles in insertion and positioning of pilot plunger of a tool into block. Regardless of
manual or automatic operation, turn “ON” oil hole coolant, or blow down coolant tentatively
by M50 command before attachment. After cleaning the block like this, change tools.
* Be sure to use an oil hole tool exclusively for HITACH SEIKI VS50/60.
Spindle center
Key of tool grip
Change position
Tool change diagram
Tool attachment/detachment
position
View from spindle end face
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