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Safety nut SEM търсене

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 6000 mm
  • accuracy class P5 (0,023/300 mm)
  • accuracy class P7 (0,052/300 mm)




Nut dimensions

Part number ds P D D1 D2 D3 L L1 L2 L3 S B dk Dynamic
capacity
Cdyn [N]
Static
capacity
C0 [N]
Max. axial
play [mm]
Weight
[kg/ks]
R32-10T4-SEM-F 32 10 56 86 70 9 130 15 16 7,5 M6 66 27,8 40,900 63,200 0,02 1,55
R40-10T4-SEM-F 40 10 63 93 78 9 130 15 16 7,5 M8 × 1 70 35,8 46,800 82,500 0,02 1,69
R40-20T2-SEM-B 40 20 63 93 78 9 140 15 16 7,5 M8 × 1 70 35,8 24,300 36,400 0,03 1,82
R50-10T5-SEM-F 50 10 75 110 93 11 145 16 16 8,0 M8 × 1 85 45,8 63,900 133,300 0,02 2,40
R63-20T4-SEM-S 63 20 95 135 115 13,5 205 20 25 1030 M8 × 1 100 55,4 124,000 250,000 0,04 5,90
R80-20T5-SEM-S 80 20 125 165 145 13,5 230 25 25 12,5 M8 × 1 130 72,4 174,500 398,000 0,05 12,1

All dimensions stated without a unit are in mm

Max. shaft lengths

Part number Max. threaded length [mm] Max. total length [mm]
32 5100 6000
40 5100 6000
50 5100 6000
63 5100 6000
80 5100 6000