I.5
Standard features
I.5.1
Style
The basic style for the DBL/DBK synchronous motors is style IM B5 according to
DIN42950. The permitted mounting positions may be read from the technical data of the
motor series.
I.5.2
Shaft end, A-side
Power transmission is made through the cylindrical shaft end A (fit k6) to DIN 748, with a
locking thread (except DBL1/DBL2) but
without a fitted-keyway
.
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 III. The
maximum values at rated speed you will find at the technical data. Power take-off from
the middle of the free end of the shaft allows a 10% increase in F
R
.
The curves are based on a bearing life of 20.000 operating hours.
The axial force F
A
must not exceed F
R
/3.
Double-coned collets have proved to be ideal zero-backlash coupling devices, combined,
if required, with metal bellows couplings.
I.5.3
Flange
Flange dimensions to IEC standard, fit j6, accuracy according to DIN 42955.
Tolerance class:
R
I.5.4
Protection class
Standard version
IP65
Standard shaft bushing
IP64
Shaft bushing with shaft-sealing ring
IP65
I.5.5
Protective device
The standard version of each motor is fitted with a thermostat (electrically isolated,
normally closed). You will find the switching point at the technical data. The thermostat
does
not
provide any protection against short, heavy overloading. Provided that our pre-
assembled resolver cable is used, the thermostat contact is integrated into the monitoring
system of the digital servo-amplifier SERVOSTAR™ 600.
The flange temperature must not exceed 65°C in rated operation.
Motor series DBL/DBK
9
Danaher Motion
05/2001 - E.4.929.4/09
General
Содержание DBL Series
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