Nissei Corporation


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Gearmotor, gearmotor with brake

No.1 The gear does not rotate, The speed does not increase

Classification No. Failure contents (mode) Reference drawing No. To the cause and countermeasure
1.1 Defect of the power source, wiring, or control Figure 1
1.2 Defect of the motor Figure 2
1.3 Defect of the gear head Figure 2
1.4 Defect of the brake Figure 3
1.5 Defect of the installation or couplings Figure 4
1.6 Defect of a load part or operating conditions Figure 4

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No.2 Abnormal heating

Classification No. Failure contents (mode) Reference drawing No. To the cause and countermeasure
2.1 Defect of the power source, wiring, or control Figure 1
2.2 Defect of the motor Figure 2
2.3 Defect of the gear head Figure 2
2.4 Defect of the brake Figure 3
2.5 Defect of the installation or couplings Figure 4
2.6 Defect of a load part or operating conditions Figure 4

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No.3 The noise and vibration are large

Classification No. Failure contents (mode) Reference drawing No. To the cause and countermeasure
3.1 Defect of the power source, wiring, or control Figure 1
3.2 Defect of the motor Figure 2
3.3 Defect of the gear head Figure 2
3.4 Defect of the brake Figure 3
3.5 Defect of the installation or couplings Figure 4
3.6 Defect of a load part or operating conditions Figure 4

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No.4 The grease leaks

Classification No. Failure contents (mode) Reference drawing No. To the cause and countermeasure
4.1 Defect of the gear head Figure 2
4.2 Defect of the installation or couplings Figure 4
4.3 Defect of a load part or operating conditions Figure 4

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No.5 The braking time is long, The stopping precision is bad

Classification No. Failure contents (mode) Reference drawing No. To the cause and countermeasure
5.1 Defect of the power source, wiring, or control Figure 1
5.2 Defect of the brake Figure 3
5.3 Defect of the installation or couplings Figure 4
5.4 Defect of a load part or operating conditions Figure 4

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