Lenze M850 Series - Page 28

Gearbox with hollow sha and shrink disc
NOTICE
▶
Never disassemble the new shrink disc.
▶
Thoroughly clean and degrease hollow sha bore and machine sha!
▶
Do not ghten clamping screws before the machine sha has been inserted, the hollow
sha may undergo plasc deformaon.
▶
Cover the shrink disc during operaon so that it is secured against contact by implemenng
suitable measures (e.g. cover).
Mounng the machine sha
1
1
2
1 Rotang cover
2 Clamping screws
1.
Check machine sha
-
Diameter in t tolerance h6
-
Material yield point Re ≥= 360 MPa
-
E-module approx. 210000 MPa
-
Surface roughness R
z
≤ 15 µm
-
Concentricity (to prevent unnecessary addional forces caused by tensioning)
2. Remove rotang cover (1) from the shrink disc
3.
Thoroughly clean and degrease hollow sha bore and machine sha.
4.
Slightly loosen clamping screws (2) one aer the other, do not unscrew.
5.
Push gearbox onto machine sha.
6.
Slightly ghten clamping screws manually.
7.
Tighten clamping screws (2) one aer the other (approx. 5) in several passes, with rising
torque, evenly unl the indicated screw-ghtening torque is reached at all screws.
8.
Pull the co-rotang cover (1) over the shrink disc.
Mechanical installaon
Mounng
28