YB21-191 Uncoiler Mandrel (four Pieces in Total)

YB21-191-A1

YB21-191-A2

YB21-191-B1

YB21-191-B2

Mechanical Efficiency Of Incline(Topographical record)：60%
Bevel with research contact surface (rubbing record)

Φ85%

Φ85%

Φ85%

Φ85%

Diameter expanding：φ515mm
Mandrel (sector plate) diameter expansion

Φ510.3

Φ510.3

Φ510.35

Φ510.33

Proper circle：φ510mm
Mandrel (sector plate) true circle

Φ510.37

Φ510.33

Φ510.4

Φ510.3

Finished product testing standards Diameter reduction/φ470mm
Mandrel (sector plate) reduced diameter

Φ470.35

Φ470.45

Φ470.45

Φ470.46

Segment circle run-out≤0.4
Sector plate circular runout, error

0.2

0.23

0.23

0.22

Support head circle run-out≤0.4
Support head circle beating

0.06

0.05

0.05

0.05

Bearing position circle run-out≤0.4

Bearing position circular runout

0.02

0.02

0.03

0.02

Weight (including motor)

6.7T

6.7T

7T

7T