Page 844 - Iscar

INTRODUCTION
INTRODUCTION
TOOLING SYSTEMS

Holder for Adjustable Drilling Diameter

Adjustable Rotary Toolholder for
Indexable Insert Drills
Application
Machining on center milling and drilling machines.
Features
• Eliminates use of expensive special diameter drills.
• Diameter adjustment range of -0.3 to 1.3 mm diameter.
• Ensures bore tolerance of ± 0.02 mm.
• Coolant through the shank or Type B
with coolant through the flange.
• Coolant pressure up to 70 bar.

Operating Instructions
Adjust the offset by loosening the clamp
screws A and B.
• Adjust with screws A or B. Preset should be made on
a pre-setter to minus 0.3 mm on required diameter.
• Tighten the clamp screws A and B.
• On the machine, make a test cut, measure the bore
diameter and then adjust to required diameter.
• Final adjustment to the desired diameter can be made
on the machine with dial indicator or on the pre-setter.

Angular Adjustment

Hole according to
Seal clickfit system
Spherical contact

Adjust/Clamp A Adjust/Clamp B
Positive drive

Internal and through
flange coolant

See pages 858, 878, 911

ISCAR
840 ISCAR
840