The safety nut SEM works like standard ball nut, but there is added safety part.
The use of a safety nut alone is not a sufficient protection against unintentional lowering of a load. The valid for the application security guidelines must be followed. Additional measures, such as the monitoring of the motor current and the monitoring of the drive train are provided.
Specification:
- dimensions acc. to DIN 69051
- reduced play or small preload until 2% Cdyn
- right design
- sizes Ø 32mm - 80mm
- lenght up to 6500 mm
- accuracy class P5 (0,023/300 mm)
- accuracy class P7 (0,052/300 mm)
Nut dimensions
Part number |
32 |
10 |
56 |
86 |
70 |
9.0 |
1 |
130 |
15 |
16 |
7.5 |
M6 |
66 |
27.8 |
40900 |
63200 |
|
40 |
10 |
63 |
93 |
78 |
9.0 |
2 |
130 |
15 |
16 |
7.5 |
M8x1 |
70 |
35.8 |
46800 |
82500 |
|
40 |
20 |
63 |
93 |
78 |
9.0 |
2 |
140 |
15 |
16 |
7.5 |
M8x1 |
70 |
35.8 |
23800 |
36400 |
|
50 |
10 |
75 |
110 |
93 |
11.0 |
2 |
145 |
16 |
16 |
8.0 |
M8x1 |
85 |
45.8 |
63900 |
133300 |
|
63 |
20 |
95 |
135 |
115 |
13.5 |
2 |
205 |
20 |
25 |
10.0 |
M8x1 |
100 |
55.40 |
105000 |
250000 |
|
80 |
20 |
125 |
165 |
145 |
13.5 |
2 |
230 |
25 |
25 |
12.5 |
M8x1 |
130 |
72.40 |
161500 |
398000 |
|
Max. shaft lengths
Part number |
5500 |
6500 |
5500 |
6500 |
5500 |
6500 |
5500 |
6500 |
5500 |
6500 |