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Trapezoidal screw jack Z series
safety nutaluminumworm gear

trapezoidal screw jack
trapezoidal screw jack
trapezoidal screw jack
trapezoidal screw jack
trapezoidal screw jack
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trapezoidal screw
Other characteristics
safety nut, worm gear, aluminum

250 kN, 350 kN, 500 kN, 750 kN, 1,000 kN


Max.: 680 Nm

Min.: 42 Nm


Use the optimum lubricant for a long service life! These lubricants have been carefully selected for the requirements of the screw jack. A safety nut is specially applied in such cases where the rupture of the screw may be of danger for people. Safety nut may also be used in other devices to protect against damage of machinery and outages. Wear After a maximum of 25% of the thread is worn out, the support nut (R) or the gear (S) needs to be replaced. Monitoring It is necessary to perform periodic checks and to record the wear or the thread alignment (according to the time in operation). This enables to plan the replacement soon enough to avoid the outage of the equipment. Electronic monitoring Electronic monitoring will signal when the approximate level of 25% wear is reached and this could be immediately displayed at the central location. Wear parts replacement may be organised in a timely manner. Nominal speed: 1500 rpm max. drive shaft speed: 1800 rpm Screw size standard: 80x16 Housing material: GGG-50, corrosion-resistant Worm shaft: steel, case-hardened, ground Weight of screw jack body: 59,0 kg Weight of screw/m: 32,0 kg Gearbox lubrication: synthetic fluid oil Screw lubrication: grease lubrication Gearbox operating temperature: max. 60°, higher on request Moment of inertia: N: 53,8 kg cm² / L: 22,0 kg cm² Screw: Rotating (R)



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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.