Page 105 - Techniks Catalog 2017

BT30 ShrinkFIT & DualDRIVE for Dual-Contact Spindles

Features
• Maximum T.I.R. only 0.0001"
• Balanced 25,000 RPM at G2.5
• Comes with coolant-thru set screw installed

Coolant-thru
set screw included.
Page 115 for dimensions.
Techniks Certified for accuracy and balance
BT30 ShrinkFIT Holders d M
L
Part No. Description d1 d2 d3 L I2 thread coolant screw
67250 BT30 x 1/4"I.D. - 3" 1/4" 0.82" 1.06" 3" 1.42" M5 x 0.8P 16082C-20
67375 BT30 x 3/8"I.D. - 3" 3/8" 0.94" 1.25" 3" 1.42" M8 x 1.25P 16082C-20
67500 BT30 x 1/2"I.D. - 3" 1/2" 0.94" 1.25" 3" 1.85" M10 x 1.5P 16083C-20
67625 BT30 x 5/8"I.D. - 3" 5/8" 1.06" 1.33" 3" 1.97" M12 x 1.75P 16085C-20
67750 BT30 x 3/4"I.D. - 3" 3/4" 1.29" 1.62" 3" 2.04" M16 x 2.0P 16089C-20

Features
• Designed for dual-contact spindles
• Coolant-thru spindle or thru flange (DIN B)
(comes with coolant-thru set screw installed)
• Balanced to 25,000 RPM at G2.5
Benefits
• Better rigidity and reduced vibration (chatter)
• Improved performance at high metal removal rates
Techniks Certified for accuracy and balance
and when machining at extended lengths
BT30 DualDRIVE ShrinkFIT Holders

Part No. Description d1 d2 d3 L I2 thread coolant screw
25.651.54.300 BT30 x 1/4" I.D. - 3" DualDRIVE 1/4" .83" 1.06" 3" 1.42" M8 x 1.25P 16082C-20
25.651.56.300 BT30 x 3/8" I.D. - 3" DualDRIVE 3/8" .94" 1.26" 3" 1.42" M8 x 1.25P 16082C-20
25.651.58.300 BT30 x 1/2" I.D. - 3" DualDRIVE 1/2" .94" 1.26" 3" 1.85" M10 x 1.5P 16083C-20
25.651.61.300 BT30 x 5/8" I.D. - 3" DualDRIVE 5/8" 1.06" 1.34" 3" 1.97" M12 x 1.75P 16085C-20
25.651.64.300 BT30 x 3/4" I.D. - 3" DualDRIVE 3/4" 1.30" 1.62" 3" 2.04" M16 x 2.0P 16089C-20

Dual-Contact Spindles Standard DualDRIVE

Use Techniks DualDRIVE holders if your machine has a dual-
contact spindle. Dual-Contact is a spindle option offered by Gap between DualDRIVE
some machine tool builders. spindle & eliminates the
Dual-contact means both the toolholder taper and the flange toolholder can gap, improving
cause toolholder
rigidity &
make contact with the spindle. Dual-contact increases rigidity to give under high accuracy. See our demonstration
side loads.
and accuracy during machining. video of DualDRIVE at:
http://ow.ly/sUOqL

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