TYPE

CKM50, CKM63, CKM75, CKM90

Transmission Stage

2 stages

3 stages

Ratio

 7.5,10,12.5,15,20,25,30,40,50,60

50,60,75,100,125,150,200,250,300

Output torque

Up to 500NM

Motor power

0.12~4KW,with flange:B5 or B14

Housing material

Aluminum alloy

Output shaft

material: 40Cr

Hardness level: 242-286HB

Helical gear

Material:20CrMnTi 

Hardness level: 58-62HRC

Precision level:6 grade

Transmission efficiency

B:92%-94%

C:90%-92%

Oil seal brand

SKF

Bearing 

C&U

Lubricant

Mineral oil or sythetic oil

Difference from RV

project

CKM

RV

Transmission

Hypoid gear,Cylindrical gear

Worm wheel,worm shaft

Transmission efficiency

High(about:90%-92%)

Low(about:50%-85%)

Bearing capacity

1-1.5

1

temperature-rise

30°C

60°C

Running temperature

50-60°C

70-80°C

The sealing reliability

High

Low

Life

Long

Short

Self-locking

Non

Some ratio

Extension shaft

Non

S