Precision Clamping Technology

 

The selection of the correct clamping device is a dediciding factor of the operational efficiency and economics of production process. The superior and advanced RINGSPANN-technology provides practical solutions wherever the clamping and centering of cylindrical inner and outer surfaces is required.

A simple idea, transformed into logical reality, guarantees maximum clamping accuracy without any time-consuming adjustment. Result is a quick and reliable method even for difficult applications, like the clamping of short length registers or the clamping of thin-walled and distortionprone workpieces.

The Idea:

The basis of the RINGSPANN system is tthe RINGSPANN clamping disc, a conical ring made of hardened special steel. The characteristic slots give it a particularly high flexibility.

The axially exerted operating force effects an elastic change of the taper angle and therefore also the diameter of the clamping disc. The so-called RINGSPANN effect is of particular advantange in that the initial operating force is transformed without friction into a radial force 5 to 10 times greater which is used to clamp the workpiece. As the force applied is of uniform intensity around the whole circumference, it guarantees maximum clamping accuracy and permits the transmission of high torques even on workpieces prone to distortion.

At the same time the operating force causes a tilting movement of the clamping disc and force the workpiece against a longitudinal stop during clamping.

Design:

RINGSPANN delivers :

Clamping elements:

Clamping chuck
(outer clamping)

 Clamping with Disc Pack:
  • Clamping diameter up to 200 mm
  • Clamping on workpieces onto two different diameters
  • Protective clamping of workpieces prone to distortion
  • Quick and easy changeover for other workpieces

Clamping mandrel
(inner clamping)

Clamping chuck
(outer clamping)

 Clamping with Elements:
  • Clamping diameter up to 600 mm
  • Clamping in/on very short locations
  • Protective clamping of workpieces prone to distortion
  • Compact design
  • Clamping area adaptable to design requirements

Clamping mandrel
(inner clamping)
  Clamping with Collet Mandrels:
  • Clamping diameter up to 112 mm
  • Sealed against swarf
  • Quick and easy changeover for other workpieces
  • Large expansion range

Clamping mandrel
(inner clamping)

Clamping tools:

Clamping chuck
(outer clamping)

 Clamping with Membrane:
  • Clamping diameter up to 1000 mm
  • Clamping in/on very short locations
  • Sealed against swarf
  • Compact design
  • With one membrane several clamping diameters for different components can be achieved.

Clamping mandrel
(inner clamping)

Clamping chuck
(outer clamping)

 Clamping with Diaphragm:
  • Clamping diameter up to 400 mm
  • Sealed against swarf
  • Clamping jaws adjustable, exchangeable or adaptable for a variety of workpieces
  • Particulary suited for gear clamping
  • Clamping through built in spring force

Clamping chuck
(outer clamping)

 Clamping with Taper Collets:
  • Clamping diameter up to 200 mm
  • Mandrels for short lengths and blind bores from 10mm diameter
  • Mandrels with maximum torque transmission for heavy machining

Clamping mandrel
(inner clamping)

Clamping chuck
(outer clamping)

 Clamping with Hydraulic Systems:
  • Clamping diameter up to 400 mm
  • Sealed against swarf
  • Clamping range 0,3% of the clamping diameter, no axial pull back
  • Possibility of clamping several components at one time
  • Alternative mechanically actuated systems available if required.


Clamping mandrel
(inner clamping)

Clamping chuck
(outer clamping)

 Hydraulic Expanding Clamping Tools:
  • Concentricity 1-3 ym up to clamping diameter 50 mm
  • high clamping force
  • Clamping diameter up to 300 mm
  • finely adjustable


Clamping mandrel
(inner clamping)

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