Page 68 - Threading_Handbook

THREAD TURNING • Easy and fast setup
VDI DIN69880 is the most popular quick change adaptation system
for CNC turning machines with disc-type turrets. This standard
holder adaptation serves mainly stationary turning tools.

VDI DIN69880 Characteristics

• High stiffness, thanks to straight shank and flange face contact
• Rigid design due to a serrated clamping system

• High accuracy and center height repeatability
• Compact and light design
• Efficient coolant supply internally through the tool and externally through the flange

Multi-Connection JHP-MC Line for VDI Toolholders with a bottom fed coolant system
ensures maximum coolant in the cutting area

Basic Dimensions of Threading Tools with a Bottom Fed High Pressure
Coolant System

OAL Coolant outlets
LH

HF H
Lock
CDX Coolant inlet
WF B
CWN-CWX

OAL — Overall length
LH — Head length
HF — Functional height

H — Shank height

B — Shank width
WF — Functional width
CDX — Insert overhang

Main Advantages
• Reduces cutting time

• Provides longer tool life of cutting edge
• Very effective cooling down of the cutting edge, reducing sensitivity to heat fluctuations
• Enables better chip evacuation

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