1. 5 Axis Machining
Clamping Devices
for 5 axis
machining

2. Clamping Devices for 5 Axis Machining
Requirements of clamping devices for 5 axis machining:
Good accessibility of the tools to the workpiece
Small structure height
Compact dimensions
Admission of machine cutting forces
Simple integration into the device body
Different structure variants
Alternative oil connection possibilities
Pipe connection/O-ring connection

3. Clamping Devices for 5 Axis Machining
Additional desirable technical characteristics
Suitability for automated manufacturing processes
Workpiece position control
Suitable for automatic workpiece loading
Flexibility and adaptability for the treatment of workpiece parts families
Interface between clamping device and workpiece to allow easy changeovers

4. Clamping Devices for 5 Axis Machining
Selection of suitable elements
Bore Clamp with centring function
Bore Clamp without centring function
Fixture Clamp
Mini Hinge Clamp

5. Bore Clamp with centring function

6. Bore Clamp with centring function – Construction
Workpiece
Clamping segments
Cone
Cone flange
Integrated hyd. screw-in module

7. Bore Clamp with centring function
Clamping diameter range
16 to 46 mm

8. Bore Clamp with centring function – Connection types
Pipe thread connection
Bored channels

9. Bore Clamp with centring function – Technical data
Clamping repeatability mm permissible drilling tolerance +/- 0,2mm
Important
The max. clamping pressure for each adjustment range must not be exceeded otherwise damage to the bore clamp will occur.

10. Bore Clamp with centring function – Example of use

11. Bore Clamp Without Centring Function

12. Bore Clamp without centring function – Operating principle

13. Bore Clamp without centring function – Construction
Clamping Bolt
-Clamped-
-Unclamped-
Wiper
Clamping Device
Piston For
Niederzug
Piston for Unclamp
Compression
Spring
Housing

14. Bore Clamp without centring function – Housing and connection variants
Block Elements
Flange Type
Plug-in Elements

15. Bore Clamp without centring function – Technical data

16. Bore Clamp without centring function – Application examples

17. Bore Clamp without centring function – Application examples
Multi-Sided treatment of aluminium covers on a multi-spindle machining centre
Aluminium cover
Bore Clamps
3 per housing

18. Bore Clamp without centring function – Application example
Plan View

19. Bore Clamp without centring function – Application example
Bore Clamps x 3
Setting takes place
in three drillings at
the lower surface
of the workpiece

20. Bore Clamp without centring function – Application example
Bore Clamp x 3
Adjustment over two
spring-tensioned
conical pins (red)
Additionally integrated
supporting element

21. Bore Clamp without centring function – Application example
Bore Clamps x 3
Workpiece Clamped

22. Fixture Clamp
(in Vorbereitung)

23. Fixture Clamp – Characteristics
Narrow design
High rigidity and accuracy
Position control in the fixed jaw
Double acting function
Central lubrication
Flanged design
3 Clamping functions
Fixed jaw
Concentric
Position flexible

24. Fixture Clamp Festbacke – Structure
Fixed Jaw
Moving Jaw
Piston
Carriage

25. Fixture Clamp Concentric – Structure
Moving Jaw
Jaw Carrier
Wedge
Unclamping Piston
Piston

26. Fixture Clamp – Technical data

27. Fixture Clamp – Application example
3 axis machining of bushes
Concentric Fixture Clamps Nr

28. Fixture Clamp – Application example
Special Jaws with prefixing (left)

29. Fixture Clamp – Application example
Spring pre-clamp for transverse positioning

30. Fixture Clamp – Application example

31. Mini-Hinge Clamp

32. Mini-Hinge Clamp – Structure
Clamping Lever
Link
No Side-Loads
at clamping position
Piston Rod

33. Mini-Hinge Clamp – Remarks

34. Mini-Hinge Clamp –Technical Data

35. Mini-Hinge Clamp – Application Examples
Special Clamping Lever
Mini Hinge Clamp with bronze wiper

36. Mini-Hinge Clamp – Application example
Hydraulic clamping on a swivelling bridge
in connection with a zero point clamping system (STARK)

37. Mini-Hinge Clamp – Application example

38. Mini-Hinge Clamp – Application example
Bronze wiper