Custom built two stages

planetary gearbox

 

 

 

A company which manufacture cranes called to PALINIKO with a problem with the planetary gearboxes for one of their cranes.

The Crane Company have often problems with the two stages planetary gearboxes and stops for overhaul frequently.

After a short consideration the Crane Company sent the planetary gearbox for diagnostics and optimization.

 

Diagnostic:

 

• Disassemble of the gearbox

• All gears have many cracks and broken teeth

• The internal spur gear have many cracks too

• The all bearings are broken

 

After the diagnostic PALIIKO give suggestion to the Crane Company about what should be optimized.

 

Optimization:

 

PALINIKO checked the materials, heat treatment and all other parameters of the existing gearbox and decided to optimize.

 

• New – better materials for all details

• New heat treatments

• Gear grinding of all spur gears

• New design of 1st and 2nd stages

 

After optimization the two stages planetary gearbox is up to 30% more reliable.

 

Manufacture time:

 

• New design – 10 days

• New casting – 30 days

• Manufacture of all gears and details – 20 days

 

Manufacture time 50 days after confirmation of the order.