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

Product Detail
  • * Model: RN-40T
  • * Screw Diam: 80 mm
  • * Screw Pitch: 12 mm
  • * Static Load: Max 40 tons
  • * Dynamic Load: Max 10.3 tons
  • * Speed Ratio: 1/12 1/18 1/36
  • * Lifting Speed: 75-1500 mm/min
  • * Input Power: 1.88-5.56 hp
  • * Max Input: 1500 rpm
  • * Screw Type: trapezoidal screw
  • * Stroke Range: Max 6000 mm
  • * Top End: top plate, clevis end, threaded end, plain end
  • * Power Source: Electric, Manual, Both

model
diam.
static load (ton)
gear ratio
travel stroke/turn
(mm)
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 
RN-40T 80mm P=12 40 1/12 1 5.56 1975 1800 5.39 2300 1500 5.11 2725 1200 5.1 3625 900 4.67 4975 600 3.32 7050 300
1/18 2/3 4.29 2125 1200 4.29 2550 1000 4.07 3025 800 4.07 4025 600 3.67 5450 400 2.6 7725 200
1/36 1/3 2.87 2625 600 2.78 3050 500 2.66 3650 400 2.67 4875 300 2.41 6600 200 1.88 10300 100

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.

1/12, fast speed, 1 turn 1 mm travel
1/18, mid speed, 1 turn 0.667 mm travel
1/36, low speed, 1 turn 0.333 mm travel
About the relationship of gear ratio, load capacities, input power, input torque and input rpm, please return RN-40T 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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