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  4. Clamping cubes
  5. Clamping towers, grey cast iron, 4-sided, with UNILOCK zero-point clamping system
    6. 01857-20-138122004070
Designation
Clamping tower
Version 1
4 sides
Version 2
with zero point clamping modules
Main material
GJL300
Component material
mild steel
Surface finish component
hardened and ground
G1=THREAD
M16
G2=Thread
M16
G=Thread
M12
L=Length
400
B
146
B1
160
B2
300
B3
150
B4
55
B5
250
D
50
D1
20
D2
25
H
713
H1
748,5
H2
190
H3
200
H4
40
H5
5,5
H6
18
L1
272
L2
250
L3
100
L4
80
L5
160
L6
25
Retraction force with turbo kN
24
UNSPSC Code
31000000
~ CONFLICT MINERALS 3TG status
no intentional 3TG
~ CP65 substance 1 cancer & reproductive toxicity
lead and lead compounds
~ CP65 substance 2 cancer
soots, tars, and mineral oils
~ PFAS free?
yes
~ REACH SVHC-free?
no
~ REACh SVHC 1 name > threshold
lead
~ RoHS conformity
yes, with exemption
~ RoHS exemption/s
III/6c
~ TSCA 6(H) conformity
yes

Description

Product description
4-sided clamping tower with integrated UNILOCK clamping modules EFM 138. The integrated clamping modules enable the rapid clamping or exchange of clamping equipment and fixtures on the clamping tower. Set-up times are reduced and machine running times increased.
Material
Clamping tower GJL 250.
Clamping module case-hardening steel.
Version
Clamping tower contact faces precision machined.
Clamping module contact faces hardened and ground.
Note
These 4-sided clamping towers conform to machine tables for machine tools acc. to DIN 55201 and JIS6337-1980.

The clamping modules are actuated via a central pneumatic connection.
The high clamping forces are generated via the integrated spring package (the unit clamps while not under pressure).
Clamping is released pneumatically.

The following clamping forces are possible with the UNILOCK clamping bolt in conjunction with M10, M12, M16 fastening screws:
- Clamping force (M10) 35,000 N/module
- Clamping force (M12) 50,000 N/module
- Clamping force (M16) 75,000 N/module
Clamping force with DIN EN ISO 4762 - 12.9 cap screws

Clamping bolts may only be clamped in conjunction with a mounted interchangeable unit in the clamping module.
Temperature range
+5 °C to +60 °C.
Scope of delivery
- Clamping tower
- Transport screws.
- Operating instructions.
Accessory
- UNILOCK clamping pin 42208.
- UNILOCK interchangeable subplates for zero-point clamping system 42755.
- UNILOCK protective bolt for clamping module 42796.
- UNILOCK protective plug for clamping module 42796.
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