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Mechanical clamping elements

for clamping and locking dies on press beds and rams

High clamping forces, easy operation, compact design and low acquisition costs are to the fore here.

 

Sliding clamps | Clamping blocks | High-pressure spindles | Clamping nuts

clamping forces: from 15 to 200 kN
T-slots: 14, 18, 22, 28, 36 and 42 mm
max. tightening torque 45 .. 140 Nm
with and without clamping force monitoring

Series Data sheet Technical data
6.2210
6.2210
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6.2210 Sliding clamp, mechanical

 

with integral high-pressure spindle

clamping force 40 kN and 80 kN

T-slot as per DIN 650 18, 22 and 28 mm
clamping force: 40 and 80 kN
clamping stroke: 1.5 .. 2.2 mm
max. tightening torque: 45 .. 90 Nm
max. travelling path: 30 .. 35 mm

6.2270
6.2270
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6.2270 High-pressure spindle, separate

 

with integrated wedge System

clamping force 40 to 140 kN

clamping force: 40, 80 or 120 kN
clamping stroke: 1.5 .. 2.5 mm
max. tightening torque: 45 .. 140 Nm
external thread: M36, M48 or M64

6.2273
6.2273
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6.2273 Clamping Nut, Mechanical

 

with through-hole and

clamping force display

T-slot DIN 650: 28 mm
clamping force: 100 kN

6.2274
6.2274
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6.2274 Clamping nut, mechanical

 

with through-hole thread

without clamping force display

T-slot DIN 650: 14 .. 42 mm
clamping force: 60 .. 180 kN
max. tightening torque: 30 .. 110 Nm

6.2275
6.2275
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6.2275 Clamping Nut, Mechanical

 

with blind hole thread

without clamping force display

T-slot DIN 650: 18 .. 42 mm
clamping force: 60 .. 200 kN
max. tightening torque: 25 .. 90 Nm

6.2276
6.2276
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6.2276 Clamping nut, hydro-mechanical

 

with through-hole thread and

optional clamping force display

with a tightening bolt:
max. clamping force: 60 and 100 kN
max.10 stroke: 2 mm
exterior diameter 70 and 95 mm

with two tightening screws:
max. clamping force: 60 to 150 kN
max.10 stroke: 2 mm
exterior diameter 70 up to 112 mm

maximum force density in the smallest space

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figure 1: Sliding clamp 6.2210, mechanical
 
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figure 2: Installation note for sliding clamps
 
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figure 3: Clamping block with integral high-pressure spindle
 
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figure 4: Clamping blocks with integral high-pressure spindle mounted on spacer bars
 
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figure 5: High-pressure spindle 6.2270, mechanical
 
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figure 6: Clamping nut 6.2273, mechanical with clamping force Display

 
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figure 7: Clamping nut 6.2274 with through-hole thread, without clamping force display
 
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figure 8: Clamping nut with blind hole thread 6.2275
 
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figure 9: Clamping nut 6.2276 , hydro-mechanical
 

6.2210 Sliding clamp, mechanical (figure 1)
Function:
The sliding clamp is manually placed in the T-slots and screwed against the die clamping edge.
Once the high-pressure spindle has been adjusted to suit the height of the clamping edge, the clamping force is built up by turning the hexagon nut in clockwise direction.
The clamping force achieved depends on the set tightening torque of the torque wrench.

Installation note (figure 2):
Before applying the tightening torque, the high-pressure spindle must be screwed against the clamping edge so that there is no play.
If the parts are not rigid, tighten the high-pressure spindle using the hexagon nut until there is no play.

 

 

Clamping block with integral high-pressure spindle (figure 3)
Function:
The sliding clamp is manually placed in the T-slots and screwed against the die clamping edge. The clamping force is built up by turning the hexagon nut in clockwise direction.
The clamping force achieved depends on the set tightening torque of the torque wrench.

Installation note (figure 4):
The clamping blocks with integral high-pressure spindle can be mounted on spacer bars.

 

 

 

 

6.2270 High-pressure spindle (figure 5)
Function:
Following manual positioning of the high-pressure spindle against the clamping edge, the drive spindle is operated by turning the hexagon nut. Thus, the clamping force is transmitted in axial direction to the clamping point by the wedge system. The required clamping force is achieved by selecting the appropriate torque on the torque wrench (see force-torque diagram on the data sheet). For unclamping, proceed in the reverse order.

 

 

6.2273 Clamping nut, mechanical with clamping force display and through hole (figure 6)
Function:
Following manual positioning of the clamping nut against the clamping edge, the integral gear and the Belleville springs will be preloaded by turning the hexagon nut. As a result, a high clamping force is generated with a small
torque. The required clamping force is reliably displayed by clamping force display and the integrated Belleville spring assembly ensures reclamping of the clamping nut in the case of clamping edge changes.

6.2274 Clamping nut, mechanical with through-hole thread, without clamping force display (figure 7)
Function:
Following manual positioning of the clamping nut against the clamping edge, the integral gear will be operated by turning the hexagon socket.
As a result of the gear transmission, the tightening torque is multiplied. To reliably ensure the required clamping force, we recommend using a torque wrench.

 

 

6.2275 Clamping Nut, Mechanical with blind hole thread, without clamping force Display (figure 8)
Function:
Following manual positioning of the clamping nut against the clamping edge, the integral planetary gear will be operated by turning the hexagon nut.
As a result of the gear transmission, the tightening torque is multiplied. To reliably ensure the required clamping force, we recommend using a torque wrench.

6.2276 Clamping Nut, Hydro-Mechanical with through-hole thread and optional clamping force display (figure 9)
Function:
Following manual positioning of the clamping nut against the clamping edge, the integral hydraulic cushion is preloaded by turning the hexagon socket. A low torque is transmitted to a high clamping force.
In the case of versions without clamping force monitoring, use a torque wrench to ensure safe and defined build-up of the clamping force.
In the case of versions with clamping force monitoring, the clamping force indicator pin will project by approx. 2.5 mm when the clamping force is reached.

 

Torque wrench 20 - 100 Nm
Part no. 9.3792.6610

Torque wrench 40 - 200 Nm
Part no. 9.3792.6620

For sliding clamps 6.2210
Parking station accommodates the clamping element during die change
siehe data sheet 6.2210

For clamping nut, hydro-mechanically 6.2276
T-bolts
for T-slots 22, 28 and 36 mm
siehe data sheet 6.2276

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figure 1: Use of mechanical sliding clamps 6.2210 on a machine table
 
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figure 2: High-pressure spindle 6.2270, mechanical
 
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figure 3: Clamping nut 6.2275, mechanical, type MS
 
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figure 4: Clamping nut 6.2275 (type MD) for clamping chain wheels during milling
 

Application example 1 (figure 1)
Use of mechanical sliding clamps 6.2210 on a machine table.

 

 

 

Application example 2 (figure 2)
High-pressure spindle 6.2270, mechanical

 

 

Application example 3 (figure 3)
Clamping nut 6.2275, mechanical

 

 

Application example 4 (figure 4)
Clamping nut 6.2275 (type MD) for clamping chain wheels during milling.