Siemens SIMOTICS DC 1HQ7 Operating Instructions & Installation Instructions page 9

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Insulation classes........................................................................................................................20

Table 3-2

Machine design ..........................................................................................................................21

Table 3-3

Data on the rating plate..............................................................................................................22

Table 4-1

Tightening torques for the shaft screw on the rotor shipping brace............................................29

Table 5-1

Stator winding insulation resistance at 40° C..............................................................................37

Table 5-2

Permissible deviations for aligning the machine with flexible coupling.......................................48

Table 6-1

Terminal designations in example B1.........................................................................................54

Table 6-2

Terminal box connection data.....................................................................................................55

Table 6-3

Tightening torque of screws with cable lugs................................................................................57

Table 6-4

Tightening torque of screws with ground terminals.....................................................................58

Table 7-1

Minimum radial forces.................................................................................................................66

Table 8-1

Vibration magnitude as a function of vibration frequency............................................................73

Table 8-2

Faults in operation.......................................................................................................................78

Table 8-3

Cooling system faults ...............................................................................................................78

Table 8-4

Roller bearing faults

Table 8-5

Brush faults.................................................................................................................................80

Table 8-6

Commutator faults.......................................................................................................................81

Table 9-1

MTTR in fault-free operation ......................................................................................................86

Table 9-2

Suitable greases for rolling-contact bearings (down to -20 °C)...................................................88

Table 9-3

Commutator overhaul - minimum permissible diameter.............................................................92

Table 9-4

Recommended torques for tightening the shaft journal...............................................................99

Table 9-5

Recommended torques for tightening the shaft journal.............................................................101

Table 9-6

Recommended torques for tightening the coupling...................................................................102

Table 9-7

Tightening torques for mounting couplings...............................................................................103

Table 10-1

Spare parts stator and rotor 1G.7, 1H.7, shaft heights 355 to 450...........................................107

Table 10-2

Spare parts rolling-contact bearing for 1H.7, 1G.7....................................................................108

Table 10-3

Spare parts rolling-contact bearing for 1G.7. 1H.7 with one shaft extension............................110

Table 10-4

Spare parts rolling-contact bearing for 1G.7. 1H.7 with two shaft extensions...........................111

Table 10-5

Spare parts sealing for rolling-contact bearing for 1H.6, 1G.6..................................................112

Table 10-6

Spare parts terminal box 1XB7720...........................................................................................113

Table 10-7

Spare parts auxiliary terminal box.............................................................................................114

Table 10-8

Spare parts speed sensor with conical hub for shaft heights 180 to 630..................................115

Table 10-9

Spare parts speed sensor for overhung mounting for shaft heights 180 to 630.......................116

Table 10-10

Spare parts speed sensor for construction type IM B5 for shaft heights 180 to 630.................117

Table B-1

Tightening torques for screw/bolt connections with a tolerance of ±10%.................................123

Table D-1

Items to check during switch-on................................................................................................128

SIMOTICS DC 1HQ7

Operating Instructions 02/2016

...............................................................................................................79

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Siemens SIMOTICS DC 1HQ7 Operating Instructions & Installation Instructions page 9

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