INTRODUCTION Is it worth repairing an industrial gearbox？ Industrial gearboxes are typically classified as non-standard or standard items. Many industrial gearboxes are customized goods. due to the various designs and needs of gearboxes in industrial production. Because of the gear…

  Double helical gear provide enough relief copy. between two identical helicial gears having opposite hand of helix. it is easy to fabricate and cheaper. but in case of herringbone gear, no such gap . thus two identical helical gears…