Bore Clamps

block-type eccentric
for bore hole diameter 6.6 to12.3 mm
double acting, max. operating pressure 250 bar

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Information Series

Description

B 1.485 Bore clamp

The patented bore clamp is particularly suitable for positioning and clamping of workpieces with bore holes from diameter 6.6 to 13.8 mm in the support face.
The workpiece is directly put onto the bore clamp, so that the remaining surfaces are free for machining on 5 sides. Due to its small and eccentric design the bore clamp can be placed very close to the workpiece contour.
The variants with centring and compensation can compensate side loads. According to the load additional clamping forces can be necessary, since the axial clamping force is relatively small.

In the body of the bore clamp a double-acting hydraulic cylinder is mounted. By screwing in the clamping screw the piston actuates via a dowel pin a drive pin that
is eccentrically arranged at the edge of the housing. The clamping ring is centred on a taper sleeve and hold by the head of the clamping screw.
The clamping screw is secured by means of a thread coating against loosening. Penetration of liquids and swarf is avoided by the connection of positive air pressure protection.

Products (12)

Number

Item no.	CAD data	type	functioning	max. operating pressure [bar]	hydraulic ports
Item no. 431921A066	CAD data	type bore clamp	functioning double acting	max. operating pressure [bar] 250	hydraulic ports pipe thread and manifold connection with O-ring	Properties
Item no. 431921A090	CAD data	type bore clamp	functioning double acting	max. operating pressure [bar] 250	hydraulic ports pipe thread and manifold connection with O-ring	Properties
Item no. 431922A066	CAD data	type bore clamp	functioning double acting	max. operating pressure [bar] 250	hydraulic ports pipe thread and manifold connection with O-ring	Properties
Item no. 431921A090	CAD data	type bore clamp	functioning double acting	max. operating pressure [bar] 250	hydraulic ports pipe thread and manifold connection with O-ring	Properties
Item no. 431923A066	CAD data	type bore clamp	functioning double acting	max. operating pressure [bar] 250	hydraulic ports pipe thread and manifold connection with O-ring	Properties
Item no. 431923A090	CAD data	type bore clamp	functioning double acting	max. operating pressure [bar] 250	hydraulic ports pipe thread and manifold connection with O-ring	Properties
Item no. 431931A110	CAD data	type bore clamp	functioning double acting	max. operating pressure [bar] 250	hydraulic ports pipe thread and manifold connection with O-ring	Properties
Item no. 431931A135	CAD data	type bore clamp	functioning double acting	max. operating pressure [bar] 250	hydraulic ports pipe thread and manifold connection with O-ring	Properties
Item no. 431932A110	CAD data	type bore clamp	functioning double acting	max. operating pressure [bar] 250	hydraulic ports pipe thread and manifold connection with O-ring	Properties
Item no. 431931A135	CAD data	type bore clamp	functioning double acting	max. operating pressure [bar] 250	hydraulic ports pipe thread and manifold connection with O-ring	Properties

Accessories (14)

Number

Item no.	CAD data	Description
Item no. 3548634	CAD data /	Description Clamping ring clamping range Ø 11.0 - 11.3 mm as per data sheet B1.485
Item no. 3548639	CAD data /	Description Clamping ring clamping range Ø 13.5 - 13.8 mm as per data sheet B1.485
Item no. 3548815	CAD data /	Description Clamping ring clamping range Ø 6.6 - 6.8 mm as per data sheet B1.485
Item no. 3610158	CAD data	Description Screw plug VSD G1/8 ED max. 400 bar, as per data sheet F9.300