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Southern Manufacturing

Farnborough, Hants(GU14 6TQ)

20/04/2021 - 22/04/2021

Southern Manufacturing and Electronics is the most comprehensive annual industrial exhibition in the (more)

PPMA Show 2021

NEC, Birmingham(B40 1NT)

28/09/2021 - 30/09/2021

PPMA Show 2021 will be the UK’s largest ever event dedicated to state-of-the-art processing and (more)

Advanced Engineering 2021

NEC Birmingham(B40 1NT)

03/11/2021 - 04/11/2021

Join us in our 12th and most important edition to date, as we invite engineers and management from all (more)

Customised gearboxes take drives around a corner

Customised gearboxes take drives around a corner In answer to a special customer requirement, Techdrives has supplied a customised assembly for two right angle gearboxes using mostly standard parts. The customer needed to offset the drive line on a mechanical handling application with an solution that was fully enclosed, efficient and maintenance free.

With a target of 250mm between shaft centres, chain and belt connections were unacceptable. Techdrives were able to offer a customised assembly of two standard Vogel spiral bevel gearboxes rated at 300Nm and with a centre distance of 258mm. The Vogel gearboxes are grease filled and maintenance free, also they have a high efficiency of 95%.

Vogel spiral bevel gearboxes are robust right angle drives available for torques from 10 to 8500Nm.  Ratios of 1 to 6 are possible although in this case 1:1 was all that was needed. The selected gearboxes were size 250 rated at 300Nm. To simply achieve the offset by mounting the two gearboxes and connecting with a shaft coupling would require a shaft offset of at least 330mm.

Therefore Vogel created a special assembly plugging a male shaft gearbox type K into a hollow shaft gearbox type H. The two gearboxes are standard and the casings are connected with a special flanged adaptor achieving a centre distance of 258mm. Using standard gearboxes minimises the cost and ensures good future availability.

Vogel spiral bevel gearboxes are widely used to turn machine drives through 90°. The gearing is quiet, reliable and maintenance free with grease lubrication at low to medium input speeds. Standard backlash is below 10 arcmins and on request can be reduced to 4 arcmins.
 

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