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

Product Detail
  • * Model: RNK-5T
  • * Screw Diam: 32 mm
  • * Screw Pitch: 5 mm
  • * Static Load: max 2 tons
  • * Dynamic Load: max 0.95 tons
  • * Speed Ratio: 1/6 1/12 1/24
  • * Lifting Speed: 62.5-1250 mm/min
  • * Input Power: 0.5-1.72 hp
  • * Max Input: 1500 rpm
  • * Screw Type: ball screw
  • * Stroke Range: max 800 mm
  • * Top End: top plate, clevis end, threaded end, plain end
  • * Power Source: electric, manual, both

model diam. gear ratio 1800RPM 1500RPM 1200RPM 900RPM 600RPM 300RPM
pitch input (HP) work
load(kg)
lifting speed (mm/min) input (HP) work load (kg) lifting speed input (HP) work load (kg) lifting speed input (HP) work load (kg) lifting speed input (HP) work load (kg) lifting speed input (HP) work load (kg) lifting speed
RNK-5T 32mm
P=5
 1/6  1.86 300 1500 1.72 333 1250 1.66 400 1000 1.55 716 750 1.17 566 500 0.72 700 250
 1/12  1.47 450 750 1.36 500 625 1.31 600 500 1.17 850 375 0.78 716 250 0.5 833 125
 1/24  1.04 600 375 0.96 666 312.5 0.92 800 250 0.73 200 187.5 0.56 966 125 0.5 950 62.5

Installation & Spindle Screw Type

Translating screw: A driven worm shaft acts on an internal worm gear, which in turn drives a lifting screw to extend or retract. As the lifting screw translates through cast iron housing, then worm gear and lifting screw rotate together. When the lifting screw is held to prevent rotation, the lifting screw will move linearly through the cast iron housing to move the load.
Keyed screw: Some loads don’t prevent lifting screw rotation. These applications require a keyed screw jack. A key, fixed to the jack housing and inserted into a keyway milled into the lifting screw, forces the lifting screw to translate without rotating.
Rotating screw: A lifting screw keyed to the worm gear as a single unit, forcing the lifting screw to rotate,but not translate. A traveling nut, attached to the load, is driven by the rotation of the lifting screw. This type jack is ideal for applications that can not accommodate a screw protective tube and save enough mounting space.

1/6, fast speed, 1 turn 0.833 mm travel
1/12, mid speed, 1 turn 0.417 mm travel
1/24, low speed, 1 turn 0.208 mm travel
About the relationship of gear ratio, load capacities, input power, input torque and input rpm, please return RNK-5T model.

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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