
4
Mechanical installation
Installation tolerances
Operating Instructions – EDR..71 – 315, EDRN63 – 315
37
4.4
Installation tolerances
Shaft end
Flanges
Diameter tolerance according to
EN 50347
•
ISO j6 with Ø ≤ 28 mm
•
ISO k6 with Ø ≥ 38 mm up to ≤
48 mm
•
ISO m6 at Ø ≥ 55 mm
•
Centering bore according to DIN 332,
shape DR
Centering shoulder tolerance according
to EN 50347
•
ISO j6 with Ø ≤ 250 mm
•
ISO h6 with Ø ≥ 300 mm
4.5
Assembling the input elements
Drive components that are installed on the motor shaft end, e.g. pinions, must be
warmed up prior to assembly in order to prevent damage, e.g. to the encoder of stand-
alone motors.
WARNING
Unsecured key skidding out of the keyway.
Severe or fatal injuries due to flying parts.
•
Only operate the motor with attached customer output element (e.g. gear unit), or
with a suitably secured key.
WARNING
Generating of sparks due to unsecured key.
Severe or fatal injuries from explosion.
•
Only operate the motor with attached customer output element (e.g. gear unit), or
with a suitably secured key.
25896334/EN – 06/2019