Tel: 86-769-88771988 / 88773988 Fax: 86-769-85644652
Mobile: 86-13532664175    Email: nosen@screwjack.cc

Product Detail
  • * Model: RNF040
  • * Screw Diam: 40 mm
  • * Screw Pitch: 7 mm
  • * Static Load: max 50 kN
  • * Dynamic Load:
  • * Speed Ratio: 1/7 1/28
  • * Lifting Speed: max 1500 mm/min
  • * Input Power: 0.020-4.700 kw
  • * Max Input: 1500 rpm
  • * Screw Type: trapezoidal screw
  • * Stroke Range: max 1500 mm
  • * Top End: top plate, clevis end, threaded end, plain end
  • * Power Source: electric, manual, both

RNF040 Lifting Force (kN)
50 kN 35 kN 25 kN 10 kN
RPM Lifting Speed (mm/s) Gear Ratio Gear Ratio Gear Ratio Gear Ratio
N L N L N L N L
N (1/7) L (1/28) Nm Kw Nm Kw Nm Kw Nm Kw Nm Kw Nm Kw Nm Kw Nm Kw
1500 25.000 6.250 29.923 4.700 9.550 1.500 21.010 3.300 6.367 1.000 14.643 2.300 4.457 0.700 5.730 0.900 1.846 0.290
1000 16.667 4.167 29.605 3.100 8.595 0.900 19.100 2.000 5.730 0.600 14.325 1.500 4.584 0.480 5.730 0.600 1.815 0.190
750 12.500 3.125 29.287 2.300 8.913 0.700 20.373 1.600 6.367 0.500 14.007 1.100 4.584 0.360 5.985 0.470 1.910 0.150
500 8.333 2.083 28.650 1.500 10.505 0.550 21.010 1.100 6.494 0.340 14.898 0.780 4.775 0.250 5.730 0.300 1.910 0.100
300 5.000 1.250 31.833 1.000 11.778 0.370 22.283 0.700 6.685 0.210 15.917 0.500 5.093 0.160 6.367 0.200 2.228 0.070
100 1.667 0.417 30.560 0.320 14.325 0.150 23.875 0.250 9.550 0.100 15.280 0.160 5.253 0.055 6.685 0.070 2.388 0.025
50 0.833 0.208 30.560 0.160 17.190 0.090 24.830 0.130 9.550 0.050 19.100 0.100 9.550 0.050 5.730 0.030 3.820 0.020

N: 1/7, fast speed, 1 turn 1 mm travel
L: 1/28, low speed, 1 turn 0.25 mm travel
For each screw jack has two gear ratio.
About the relationship of gear ratio, load capacities, input power, input torque and input rpm, please return RNF040 specifications.

300: 300 mm travel stroke

Accessories:
N: Standard Jack,No additional accessories
P: Steel Cover
R: Rubber Bellow
Y: Hand Wheel
Other accessories,please check below picture

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