SJ200 Mod.A
Travelling screw Tr 70x12 or 80x12
Standard performances screw jack. Lifelong grease lubricant for worm gear. Compact monoblock housing in cast iron, cubic design for high static load capacity. Tapped mounting holes, top and bottom, alternative through holes. Duty cycle up to 20% per hour at 25 °C room temperature. Acme screw 1 or 2 starts made of steel C43. Nut made of bronze GCuSn12. Acme screw and nut machined with advanced technology CNC machines with high accuracy. Protective painting blue color RAL 5010.
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Max lifting load [kN] 200
Acme Screw Tr 70x12 or Tr 80x12
Operating duty cicle 30% on 10 min at 25 °C room temperature
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Main features :
Ratios RV 1:7
RL 1:28
Starting efficiency RV 0,19
RL 0,12
Running efficiency at 1500 rpm RV 0,35
RL 0,24
Input shaft diameter [mm] 30
Worm gear centre distance [mm] 90
Screw jack's weight without acme screw [kg] 75
Weight every 100 mm additional screw [kg] [Tr 70x12] 2,5 o [Tr 80x12] 3,4
Input speed up to 1.500 rpm.
Standard acme screw Tr 70x12 or Tr 80x12 1 start.
On request:
acme screw Tr 70x12 or Tr 80x12 P24 2 starts;
stainless steel acme screw.
Lubrication: see catalogue.
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Input versions
Single input shaft;
double input shaft;
motor flange adapter IEC 100/112 B5 or IEC 100/112 B14;
motor flange or motor flange adapter + second input shaft.
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Accessories :
Protective tube.
Bellows.
Acme screw end: flange, threaded, hinged head.
Stroke end switches.
Safety bronze nut.
Anti-turn device.
Trunnion mounting. |
