Insulation Material Class; Shaft End, A-Side; Protective Device; Vibration Class - Kollmorgen AKM1 Manual De Instrucciones

2.4.2.4 Insulation material class

The motors come up to insulation material class F according to IEC 60085 (UL1446 class F).
2.4.2.5 Surface
The motors are coated with polyester powder coating in matt black. This finish is not res-
istant against solvents (e.g. trichlorethylene, nitro-thinners, or similar).

2.4.2.6 Shaft end, A-side

Power transmission is made through the cylindrical shaft end A, fit k6 (AKM1: h7) to
EN 50347, with a locking thread but without a fitted keyway.
Bearing life is calculated with 20.000 operating hours.
Order code
N
C
K
Radial force
If the motors drive via pinions or toothed belts, then high radial forces will occur. The per-
missible values at the end of the shaft may be read from the diagrams in chapter "Drawings"
from (➜ # 173). The maximum values at rated speed you will find at the technical data from
(➜ # 159). Power take-off from the middle of the free end of the shaft allows a 10% increase
in FR.
Axial force
When assembling pinions or wheels to the axis and use of e.g. angular gearheads axial
forces arise. The maximum values at rated speed you will find at the technical data.
Coupling
Double-coned collets have proved to be ideal zero-backlash coupling devices, combined, if
required, with metal bellows couplings.

2.4.2.7 Protective device

The standard version of each motor is fitted with an electrically isolated PTC (rated
temperature 155°C ± 5%). The PTC does not provide any protection against short, heavy
overloading.
The motor can be delivered with a KTY 84-130 sensor optionally (see Connector Options 1,
2, 7 and D on (➜ # 187).
With digital feedback system SFD, SFD3, DSL (C-, CA, GE, GF) the temperature sensor
status is transmitted digitally and evaluated in the drive.
Provided that our configured feedback cables are used, the sensor is integrated into the mon-
itoring system of the digital servo amplifiers.

2.4.2.8 Vibration class

The motors are made to vibration class A according to EN 60034-14. For a speed range of
600-3600 rpm and a shaft center between 56-132 mm, this means that the actual value of the
permitted vibration severity is 1.6 mm/s.
Velocity [rpm] max. rel. Vibration Displacement [µm] max. Run-out [µm]
<= 1800
> 1800
Shaft end
Smooth shaft
Keyway, closed
Keyway, open
90
65
AKM Installation | 2 English
available for
all types, standard
AKM 2...8
AKM 1...8
23
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Kollmorgen | April 2015 41