Clamping System 5000 for sinking EDM

H5.611 Clamping Journal
H5.611.1 Centering Bushing
For mounting of pallets and holders series H8.. in round and linear magazines to deposit in magazine forks H5.60 or H5.62.
With central wash bore.

H5.611.2 Centering Bushing
For placement in the older magazine fork H5.57.. the spacer sleeve H5.611.2 can be changed in leu of centering bushing H5.611.1.

For mounting of pallets and holders in clampers of series H6.. in round and linear magazines and in automatic changing systems to deposit in magazine forks. (Macro style)
With central wash bore.

For mounting into C-axes with stepped mounting surfaces. Connections for compressed air and flushing from above. The rear side of clamper is ground for parallel alignment to the centering prism.
Positioning or repetitive accuracy ≤ 0.002 mm
Clamping force - 2500 N
Admissible weight of electrodes - 50 kg
Admissible eroding current - 120 A
Compressed air - min.  6 bar
Weight - 2.6 kg

Same as H6.11.7 but for flat mounting
Positioning or repetitive accuracy ≤ 0.002 mm
Clamping force - 2500 N
Admissible weight of electrodes - 50 kg
Admissible eroding current - 120 A
Compressed air - min.  6 bar
Weight - 2.2 kg

For mounting of holders and pallets series H5... and the H6.42A pallet.
Positioning or repetitive accuracy ≤ 0.002 mm
Clamping force - 2500 N
Admissible weight of electrodes - 50 kg
Admissible eroding current - 60 A
Compressed air - min.  6 bar
Weight -  1.5 kg

Same as H6.11.10.1 but integrated into a cup housing

Weight - 2.3 kg

The rear side of the clamper is ground for parallel alignment to the centering prism.
Positioning or repetitive accuracy ≤ 0.002 mm
Clamping force - 2500 N
Admissible loading weight - 100 kg
Admissible operating current - 120 A
Compressed air min. - 6 bar
Weight - 9 kg

Round, with four M8 fastening screws for mounting to the machine sleeve or on the machine table.
Positioning or repetitive accuracy ≤ 0.002 mm
Clamping force - 9500 N
Admissible weight of electrodes / workpieces - 100 kg
Admissible operating current - 120 A
Weight approx. - 3 kg

The four precise-ground bearing surfaces help to align the clamper on the machine and enable horizontal and vertical application.
Positioning accuracy ≤ 0.002 mm
Clamping force - 10000 N
Weight approx. - 4.5 kg

H6.811.1 Pallet clamper, manual
Same as H6.811, but with additional support in Z direction for pallets H8.128 and H8.180.
Weight approx. - 9.9 kg

Same as H6.811 but with internal hexagon head clamping screw. Centering seat and 8 M5 fastening screws. For stationary and rotating applications.
Repetitive accuracy ≤ 0.002 mm
Clamping force - 6000 N  
Can be used in dielectric fluid.

For mounting into C-axes with stepped mounting surfaces.
Pneumatic supply and connection for flushing from above.
The rear side of the clamper is ground for parallel alignment to the centering prism.
Positioning or repetitive accuracy ≤ 0.002 mm
Clamping force - 2500 N
Admissible weight of electrodes - 50 kg
Admissible operating current - 120 A
Compressed air - min. 6 bar
Weight - 2.5 kg

Same as H8.11.7 but for flat mounting.
Can be mounted to C-axes or integrated into the machine table.
Pneumatic supply and connection for flushing from above.
The rear side of the clamper is ground for parallel alignment to the centering prism.
Positioning or repetitive accuracy  ≤ 0.002 mm
Clamping force - 2500 N
Admissible weight of electrodes - 50 kg
Admissible operating current - 120 A
Compressed air min.  6 bar
Weight - 2.15 kg

Round, with four M8 fastening screws for mounting to the machine sleeve or on the machine table.
Positioning or repetitive accuracy ≤ 0.002 mm
Clamping force - 2500 N
Admissible weight of electrodes / workpieces - 100 kg
Admissible operating current - 120 A
Weight - 3.5 kg

 Manual clamper with mechanical clamping. The four precise-ground bearing surfaces help to align the clamper on the machine and enable horizontal and vertical application. Dimension from center to supporting faces is engraved. Can be used in dielectric fluid.
Positioning accuracy ≤ 0.002 mm
Clamping force - 10000 N
Weight - 3.5 kg

H8.811.1 Manual Pallet clamper
Same as H8.811, but with additional H8.128 support pallets in Z direction.
Weight - 6.5 kg

Manual clamper with mechanical clamping. Cylindrical, with internal hexagon head clamping screw. Centering seat and eight M5 fastening screws. For rotating applications and use in dielectric fluid.
Positioning accuracy ≤ 0.002 mm
Clamping force - 6000 N

H8.16.1 Pallet clamper, manual
Same as H8.16 but with jutting hexagon head clamping screw like H8.811.
For stationary applications.

With the Reference Set, electrode blanks and workpieces can be clamped without a pallet or holder. Reference prism for positioning in X and Y direction and supporting Z bolts  are glued directly in the electrode blanks or workpieces.

HPF 5000 Reference SET PrisFix
Consisting of four stops in Z direction and four reference prism in X and Y direction for direct gluing on electrodes or workpieces beginning with dimensions of 50x50 mm or a diameter 67 mm.
Quantity delivered:  10 sets
Please order clamping journal H5.611 or H6.611 separately.


Application information

For integration into the machine table
for pallets H6.105 and H6.148

Repetitive accuracy ≤ 0.002 mm 
Clamping force without retention – 10,000 N
Clamping force with retention – 18,000 N
Z-supports with integrated cleaning and loading control function
Circumferential seal for protection against penetration of dirt
Seal can be adjusted to pallet diameter (148 or 105 mm)

Same as H6.10.1 but with a round base for mounting on machine table.

Same as H6.10.1 but with a rectangular base for mounting on machine table.

For protection against chips, for clampers H6.10.1, H6.10.2, H6.10.3 in use with pallet H6.105 (diameter 105 mm).

Steel pallet with gripper slots for automatic handling.
Diameter - 105 mm

H6.105A Pallet
Same as H6.148, but in aluminum.

Steel pallet with gripper slots for automatic handling.
Diameter - 148 mm 

H6.148A Pallet
Same as H6.148 but in aluminum.

Precise self-centering vice with ground reversible jaws H9.GB80P and grip strips, mounted on pallet H6.148.
Width of jaws - 80 mm 
Clamping range (reversible jaws) - 0–190 mm
Centering accuracy - 0.020 mm
Clamping force (with tension force 80 Nm) - 16000 N
Total length - 246 mm
Width of slides - 80 mm
Bed length - 230 mm
Weight approx. 9 kg

Reversible prism jaw with two 110° prisms and one clamping and locating surface.  
Clamping range (prism) diameter 11-30 /   28-80 mm
Clamping range (area 3x3 mm) 6.5 - 130 mm
Width of jaws - 80 mm

Back side of the flange is ground as locating face parallel to centering prism.
Positioning or repetitive accuracy ≤ 0.002 mm
Clamping force - 2500 N
Max. permissable loading weight - 100 kg
Max. permissable operating current - 120 A
Pressure - min. 6 bar
Weight: 9 kg

For mounting of holders and pallets series H 5...
Positioning or repetitive accuracy ≤ 0.002 mm
Clamping force - 2500 N
Permissable weight of electrodes - 50 kg
Permissable eroding current - 60 A
Pressure - min. 6 bar
Weight: 1.5 kg

For mounting of holders and pallets series H 5...
Positioning or repetitive accuracy ≤ 0.002 mm
Clamping force -  2500 N
Permissable weight of electrodes - 50 kg
Permissable eroding current - 60 A
Pressure - min. 6 bar
Weight:  2.3 kg

The four precision-ground supporting faces, which help also to adjust the clampers on the machine, allow horizontal and vertical use.
Positioning accuracy ≤ 0.002 mm
Clamping force - 10000 N
Weight: approx. 4.5 kg

H 6.811.1 Pallet Clamper, manual 
Like H 6.811, but with additional Z-support of pallets H8.128.
Weight: approx. 9.9 kg

Design like H 6.811 but cylindrical. With countersunk hexagon socket screw. Centering seat and 8 fastening screws M5. For stationary and rotating use.
Positioning accuracy ≤ 0.002 mm
Clamping force - 6000 N  
Can be used in dielectric fluid.

H 6.611 Clamping Journal
For mounting of pallets and holders in clampers series H 6.. and for storage in magazine forks, round or linear magazines and automatic changing systems.
With centralized flush bore.

Aluminium,  Ø42 mm for clamping journal H 6.620.
For copper electrodes from square/diameter 20 mm to 42 mm and for graphite electrodes from  square/diameter 23 mm to 42 mm. Fastened with pan head screws.
(Delivered without clamping journal H 6.620).
Weight  0.040 kg

With thread M6 for pallet H 6.42A.
Central wash bore.
Can be used for manual and automatic loading.

For copper electrodes up to square/diameter 75 mm, for graphite electrodes up to square/diameter 100 mm, machined on H6.811 or H8.811.
Electrodes or workpieces are fastened from above or below. Without fastening bores.
Quantity delivered:  9 pcs. (without clamping journal)
Weight:  0.12 kg

Same as H5.49 A, but with length 70 mm.
Quantity delivered:  9 pcs. (without clamping journal)
Weight:  0.25 kg

For copper electrodes up to square/diameter 100 mm, for graphite electrodes up to square/diameter 150 mm, machined on H6.811 or H8.811.
Quantity delivered:  5 pcs. (without clamping journal)
Weight:  0.5 kg

For copper electrodes up to square/diameter 160 mm, for graphite electrodes up to square/diameter 250 mm, machined on H6.811 or H8.811
Quantity delivered:  1 or 5 pcs. (without clamping journal)
Weight:  0.5 kg

H5.50 Pallet
For copper electrodes and workpieces up to square/diameter 75 mm, graphite electrodes up to square/diameter 100 mm, machined on H6.811 or H8.811. Electrode or workpiece is fastened with screws from above or below. Without fastening bores.
Weight:  0.5 kg

H5.50R Pallet, stainless
Same as H5.50 but stainless (use stainless clamping journals H5.611R and H5.661.1R or H6.611R).

For copper electrodes and workpieces up to square/diameter 100 mm, for graphite electrodes up to square/diameter 150 mm, machined on H6.811.1 or H8.811.
Weight:  1.2 kg

H8.88R Pallet, stainless
Same as H8.88 but stainless (use stainless clamping journals H5.611R and H5.661.1R or H6.611R).

For copper electrodes and workpieces up to square/diameter 160 mm, for graphite electrodes up to square/diameter 250 mm, machined on H6.811.1 or H8.811.1.
Weight:  2.5 kg

Aluminium, diameter 42 mm for clamping journal H 6.620.
For copper electrodes from square/diameter 20 mm to 42 mm and for graphite electrodes from square/diameter 23 mm to 42 mm. Fastened with pan head screws.
(Delivered without clamping journal H 6.620).
Weight  0.040 kg

H 6.620 Clamping Journal
With thread M6 for pallet H 6.42A.
Central wash bore.
Can be used for manual and automatic loading.

For copper electrodes up to square/diameter 60 mm, for graphite electrodes up to 
square/diameter 100 mm.
For graphite electrodes we recommend threaded inserts.
Repetitive accuracy (same holder) - 0.002 mm
Changing accuracy (other holder) - 0.005 mm
Weight 0.75 kg

H 5.50.311 Pallet
For 3-Pin holder H 5.50.301, aluminum, 50x50 mm, with reference and positioning pins. Quantity delivered: set with 10 pcs.

Centric holding of round or square electrodes and workpieces up to square/diameter 25 mm. Holder is hardened and electroless nickel plated. With flush connection at the side.
Locating faces are aligned parallel and accurate in position to the centering prisms.
Repetitive accuracy, measured 50 mm below V-holder < 0.01 mm
Weight:  0.70 kg

Flat holder for electrodes and workpieces with thickness up to 20 mm. Holder is hardened and electroless nickel plated. With flush connection at the side.
Locating faces are aligned parallel and accurate in position to the centering prisms.
Repetitive accuracy, measured 50 mm below F-holder < 0.01 mm.
Weight:  0.6 kg

H5.50.4 Collet Chuck Holder
Clamping range 0.5 - 16 mm, for collet chuck H5.50.41, hardened and electroless, nickel plated. With centralized flushing. Integrated, easily changeable sealing washer with a 3.7 mm bore. Included in delivery are 5 sealing washers without bore. Misalignment between centering prism and clamping taper  < 0.01 mm.
Weight:  1.0 kg

H5.50.41 Collet Chuck ER/ESX 25
Clamping range infinitely from Ø 0.5 to 16 mm.
Size of collet chucks from Ø1 to Ø16 mm, in steps of 1 mm.
Radial eccentricity up to  6 mm = 0.015, from Ø7 mm = 0.02 mm.

H5.50.42 Spare Sealing Washers (not shown)
Set with 5 washers without bore for H5.50.4.
H5.50.43 Sickle Spanner (not shown)
For tensioning nut of collet chuck holder H5.50.4.

H5.50.5 Collet Chuck Holder
Clamping range 3 - 26 mm. For collet chuck H5.50.51, hardened and electroless, nickel plated. With centralized flushing. Integrated, easily changeable sealing washer with 2.7 mm bore. Included in delivery are 5 sealing washers without bore.
Misalignment between centering prism and clamping taper  < 0.01 mm.
Weight:  1.2 kg

H5.50.51 Collet Chuck ER/ESX 40
Clamping range infinitely from 3 to 26 mm.
Size of collet chucks from Ø4 to Ø26 mm, in steps of 1 mm.
Radial eccentricity up to Ø6 mm = 0.015, from Ø7 mm = 0.025 mm.

H5.50.52 Spare Sealing Washers (not shown)
Set with 5 washers without bore for H5.50.4.

H5.50.53 Sickle Spanner (not shown)
For tensioning nut of collet chuck holder H5.50.5.

H5.51.40 Collet Chuck Holder
Clamping range 0.5-10 mm. For collet chuck H50.41, hardened and electroless, nickel plated. With centralized flushing. Integrated, easily changeable sealing washer with a 3.7 mm bore. Included in delivery are 5 sealing washers without bore.
Weight:  0.8 kg

H50.41 Collet Chuck ER/ESX 16
Clamping range infinitely from Ø0.5 to 10 mm.
Size of collet chucks from Ø1 to Ø10 mm, in steps of 1 mm.
Radial eccentricity up to Ø5 mm = 0.01, from Ø6 mm = 0,02 mm.

H50.42 Spare Sealing Washers (not shown)
Set with 5 washers without bore for H5.51.40

For precise mounting and angle fixation of electrode shafts.
Hardened and electroless, nickel plated.
With centralized flushing and flush connection at the side.

Changing accuracy of electrode shaft,
measured 50 mm below collet chuck  <0.005 mm
Repetitive accuracy  <0.002 mm
Dimension from centering prism to positioning pin is the same for all hydraulic chucks (<0.01 mm).
Weight:  2 kg


Please order clamping journal H 5.611 or H 6.611 separately!

Diameter 20 mm, with 30° locating bevel at the end of the shaft, fitting and locating bevel induction-hardened and superfinished. Flush bore tapped. Electrode side unhardened, for mounting of electrode blank by soldering, gluing, screwing, or similar.
Admissible weight of electrodes: 5 kg.

H50/50 Electrode Shaft, working length 50 mm
Same as H50/25 but with working length 25 mm.

H50.65 Ball Probe
For positioning of workpiece with length 50 mm. Hardened steel ball, diameter 4 or 10 mm.

H50.66 Ball Probe
Length 100 mm, other details like H50.65.

For positioning of workpiece.
Hardened steel ball, Ø2 (+0.002 – 0.005) mm.
H5.50.66/5 Ball probe
like H5.50.66/2, but steel ball Ø5 (+0.002 – 0.005) mm

For positioning of workpiece by contacting edges and bores. Overrun protection for all three directions of 1 mm.
Repetitive accuracy in X, Y, and Z direction: 0.002 mm.
Ball diameter: 5 mm

For adjustment and control of axial and radial position of mounted tool clampers and to check concentricity and system.

For aligning and controlling of tool and pallet clampers in X and Y direction and to central axial position of pallet clampers.

For positioning of electrode over shaped reference surfaces and to control electrode consumption.
Ball diameter: 10 mm
Diameter magnetic base: 58 mm

With shaft diameter 20 mm.
H5.51.1  P-Holder (length 72 mm; dimension Z: 70 - 0.01)
H5.51.2  P-Holder (length 152 mm; dimension Z: 150 - 0.01 )
For precise mounting of electrodes and pallets type MINIFIX and MINIFIXplus.
With centralized flushing and flush connection at the side.

Accuracy with pallet or electrode blank MINIFIX:
Repetitive accuracy (same holder) < 0.005 mm
Changing accuracy (other holder) < 0.01 mm
Difference in length from holder to holder < 0.01 mm
Weight:  0.6 kg / 0.8 kg

H5.51.5 / H5.51.6
Same as H5.51.1 / H5.51.2 but with shaft diameter 36 mm
H5.51.5 P-Holder (length 72 mm; dimension Z: 70 - 0.01)
H5.51.6 P-Holder (length 152 mm; dimension Z:150 - 0.01)
Weight: 1.2 kg / 1.8 kg

For precise and force-locked mounting and machining of electrode blanks type MINIFIX and MINIFIXplus, for example on milling machines.
The adapter fits to tool clampers series H6.xx and H8.xx.
Weight 0.8 kg

H5.51.11 Pallet
In aluminum with reference point and bore. The centering prisms are coined precisely during first clamping process in the milling adapter or on a holder. For copper and graphite electrodes. Quantity delivered: set with 30 pcs.

H 5.51.111 (M10) Screw
H5.51.112 (3/8") Screw
To fasten pallet H 5.51.11 at graphite electrodes.
Quantity delivered: set with 30 pcs.

Same as H5.51.11 but with diameter 38 mm, four fastening bores for screws M4 and central thread M6.
Quantity delivered: set with 20 pcs.

Stainless, unhardened with reference point and tightening thread. Fastened by gluing, soldering, or screwing.
Quantity delivered: set with 20 pcs.

HCU.. MINIFIX electrode blanks in copper
Centering prism is roughened. During the first clamping process, on the milling adapter H8.511 or on a holder, it will be precisely coined by the centering prisms.

HCU 20/35, diameter 20 mm, length 35 mm, 10 pcs.
HCU 30/35, diameter 30 mm, length 35 mm, 10 pcs.
HCU 30.30/35, square dimension 30 mm, length 35 mm, 10 pcs.
HCU 233, 10 pcs. mixed, (4/4/2)
Delivery in cartridges.

Further dimensions and graphite on request.

In aluminum, diameter 36 mm, with reference point and four fastening bores for M4 screws.
Grooves for storage in magazine forks.
Direct mounting in clampers H8.11.17, H8.11.20.
Quantity delivered: set with 20 pcs.

Clamping Journal H5.620 sold separately.

Copper electrode blanks with reference dot and four electrode mounting holes for M4 screws. Slots allow for automatic changing in machines with magazine fork-type tool changers. Using the H5.620 journal, the pallet can be automatically or manually exchanged in an EDM machine equipped with either the H8.11.17 or H8.11.20 clampers of without P-holders.

HCU 5.20/60, Ø20 mm, length 60 mm, 10 pcs.
HCU 5.30/60, Ø30 mm, length 60 mm, 10 pcs.
HCU 5.30.30/60, 30x30 mm, length 60 mm, 10 pcs.
HCU 5.233, 10 pcs. mixed (4/4/2)

Delivery in cartridges.

For mounting of MINIFIXplus electrode blanks HCU 5.. and pallet H5.20.1 in clampers H8.11.17, H8.11.20.

Quantity delivered: set with 10 pcs. (H5.620S)