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Life, Life 34 – IAI America RS User Manual

Page 40

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7. Life

34

7. Life

Shown in the graph is the life of the main bearing and the speed reducer (reference).

The graph shows the case in which a load of dynamic allowable moment is applied.

Calculate the accumulation of rotational angles per minute to read the life (reference).

0

2000

4000

6000

8000

10000

12000

1,000

10,000

100,000

1,000,000

10,000,000

100,000,000

1,000,000,000

Estimated Life Time [Hours]

Accumulation of Rotational Angles per Minute

[deg]

Speed Reducer

Speed Reducer

Main Bearing

Main Bearing

RS-30, Gear Ratio = 1/50

0

2000

4000

6000

8000

10000

12000

1,000

10,000

100,000

1,000,000

10,000,000

100,000,000

1,000,000,000

Estimated Life Time [Hours]

Accumulation of Rotational Angles per Minute

[deg]

Speed Reducer

Speed Reducer

Main Bearing

Main Bearing

RS-30, Gear Ratio = 1/100