Bridge Mounted DriveHead
These Drives are typically made of CS or Graded Iron Worm Wheel resting on a large size Bearing (Steel Balls & Bearing Strip Liners forming a bearing cage) driven by Alloy Steel Hardened worm fixed to the Worm Shaft. The EN8/EN19 Worm shaft is driven & coupled by suitably selected Gear box & Motor. The Worm Shaft, Worm, Worm Wheel with all bearings, Adaptor & Thrust collar are Splash Oil Bath Lubricated in a Gear Housing & Top covered with a housing cover. The gear housing & cover are typically shaped to give large base & easy foundation holes, Oil Indicator, Oil Drain, Inspection Cover & Seals / gaskets to be put in place. Large sizes of Drive >900mm are provided with Special Fabricated Steel Hub to take severe shock loads & simultaneously facilitate easy Gear design and maintenance.