Diaphragm chucks
Type D

Type D
Diaprahgm chuck - quick jaw change

Ø 210 - 315 mm
work piece clamping on the O. D. or in the pitch line
centrifugal force compensation
proofline® chucks = fully sealed - low maintenance

Type D

SIN-DFR
Closed center
Rotating hydraulic cylinder

• special cylinder to actuate diaphragm chuck

• up to 70 bar

large / small piston area for opening / clambing
• central bore for air / coolant, 1 or 2 media
• stroke control via LPS

Type D KOMBI Type D KOMBI ®
Diaprahgm chuck with pull-down fingers
jaw / pull-down finger quick change

Ø 210 - 315 mm
radial and axial clamping
flat gripping force curve
proofline® chucks = fully sealed - low maintenance
Type D KOMBI ZHVD-DFR
Double piston
Rotating hydraulic cylinder

• special cylinder to actuate diaphragm KOMBI chucks

• up to 60 bar

1 piston for actuating diaphragm
• 1 piston for actuating axial clambing
• central bore for air / coolant, 1 or 2 media

stroke control via 2xLPS
RU-2-20 RU-2-20
Rotary union for 2 media for double rotating
cylinder ZHVD-DFR

universal for air, oil or coolant



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