Mechanical Power Clamping Nut I Series MDA

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with through hole thread • for variable clamping edges • unlimited clamping stroke

Mechanical Power Clamping Nut I Series MDA

 

 

 

 

 

 

 

 

 

 

 

 

Material:
heat treated steel – nitro carburized

 

Technical data and dimensions [mm]: length dimensions according to DIN ISO 2768 mH

MDA
size
nominal
clamping
force
[kN]
thread
D*
(6G)
nominal
actuation
torque
[Nm]
max.
static
load
[kN]
T-bolt
A
weight
approx.
[kg]
ØaØd1Ød2eLthexagon socket
SW**
w
6060M 12
M 16
M 20
30
35
40
70
120
120
14
18
22
1,6
1,6
1,6
74407221,558231411
120120M 16
M 20
M 24
M 30
65
70
75
80
130
200
240
240
18
22
28
36
2,6
2,6
2,5
2,4
84508226,573,5321411
180180M 24
M 30
M 36
M 42
M 48
90
100
110
115
125
300
300
400
450
450
28
36
42
48
54
4,0
3,9
3,8
3,7
3,7
105641033578371411

* Property class of threaded bolt up to M 24 minimum Q 10.9; from M 30 Q 8.8 (further thread sizes i. e. inches on request)
standard thread tolerance 6G
** optional on request Torx T50 or hexagon socket SW8

Note:
For optical control of minimum screw-in depth “t min” of the T-bolt, a groove has been provided on the housing circumference matching t min.

Supply including t-bolt on request (see ordering example).

max. allowed temperature range: -30°C up to +200°C (optional up to 400°C).

The nominal clamping force can be influenced considerably by various parameters, such as thread length, surface quality, or thread greasing.

Ordering example:
clamping nut (1*) MDA 120 – (2*) M 24
incl. T-bolt (1*) MDA 180 – (2*) M 30 – (3*) 100 – (4*) 36

(1*) series and size
(2*) thread size (T-bolt screw thread according to DIN 787)
(3*) clamping height (H = 100 mm)
(4*) width of T-bolt (A = 36 mm)