250 kN | |
1500 rpm | |
1800 rpm | |
80x16 | |
GGG-50, corrosion-resistant | |
Steel, case-hardened, ground | |
62 kg | |
32 kg | |
Synthetic fluid oil | |
Grease lubrication | |
max. 60°, higher on request | |
N: 17.71 kg cm² / L: 14.61 kg cm² | |
max. 152 Nm (N) / max. 41.4 Nm (L) | |
max. 770 Nm | |
Rotating (R) |
R-Screw | rotating The spindle is fixed to the worm wheel and rotates with it. The nut therefore moves up and down. S-Screw | translating The worm wheel has an internal thread and transforms rotary motion into linear movements as long as the spindle is prevented from rotating. 

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Pivot bushes are incorporated in the gearbox housing for screw jack series ZE, ZE-H and Z. Swivel bushes can be subjected to the full nominal load with either compression or tension. Placement 5kN – 25kN | Front and rear side
35kN – 1000kN | Lateral 

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Lubricate the ball screw KGT every 300 hours of effective operation. For heavy-duty systems every 100 hours. | |
Inspect the trapezoidal screw regularly and regrease it depending on the operating cycle. |

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Depending on areas of use, through holes or blind tapped holes are advantageous. 

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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.