For even greater variability, the WISTEC TYPE IV series is suitable, with far greater expansion ranges than are generally available.
WISTEC pneumatic-mechanical expansion chuck type IV, basic version, nominal diameter 68 mm
Basic version expanded – diameter 110 mm
Shown here with attachment clamping elements and a clamping range diameter 118 to 160 mm
Or with attachment elements according to customer requirements
WISTEC pneumatic-mechanical expansion chuck type IV, with attachment elements for an expansion range from 270 to 315 mm
All pneumatic-mechanical chucks designed and manufactured by us can work according to three principles:
pneumatically expanding - resetting by spring force
clamping by spring force - pneumatic resetting - safety chuck
pneumatically expanding – pneumatic removing
WISTEC pneumatic-mechanical expansion chuck for 20 mm core inner diameter; design with 3 clamping shells on the circumference
Important: The expansion areas can be adjusted according to customer requirements. Almost all requirements can be realized. Even small sleeve diameters can be clamped safely and centrically.