Screw drives

Screw Down drives

Monday, January 9, 2012


Galbiati Group has recently implemented the biggest ever constructed gear reducer addressed to Siemens Vai Pomini.

Worm screw gear set  ,consisting in a helical five assets wheel for screw down drive; composed of two symmetrical parts, with a weight of about 28,000 kg each.

Command reducer for the opening of the cylinders of the roughing mill, hot reversible with relative maneuver screw-down.

Below we report the operation test of the screw-down drive, presided at the assembly area of the Galbiati Group and to the satisfaction of the final customer.

Dimensions of the screw-down couple:

• Motor rounds / 1000 RPM

• Power for each motor 100Kw

• Motor Torque (MAX peak) 2100Nm

• Rate 1/8.2

• Couple worm gear wheel / helical 5 five assets wheel

• Circulating oil lubrication.

• Oil 460CST at 40 °C

Screw Down drives

Friday, May 21, 2010


Worm screw gear set  for screw down drive; 970 mm center distance, ratio 29.5. 87 tons total assembly weight,  including support frame, auxiliary equipment, breaks, auxiliary gear motors, etc.

Screw drivesScrew drives

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Galbiati Group - Engineering & Machining

23848 Oggiono (Lc) Via Cà Bianca Pascolo, 26 Italy | Fax +39 341.2633300 |
P.Iva: 03301540963 | Capitale sociale: 500.000 euro | REA: MI-1665349
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