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Rated Torque of Spur Gear Motor given Service Factor Calculator

Rated Torque Formula:

\[ M_{\tau} = \frac{Ms_{\tau}}{Ks} \]

N·m
N·m

1. What is Rated Torque of Spur Gear?

Definition: The Rated Torque of Spur Gear is the torque capacity for which the gear is rated to operate continuously without failure.

Purpose: It helps engineers and designers determine the safe operating torque for spur gear motors in various applications.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ M_{\tau} = \frac{Ms_{\tau}}{Ks} \]

Where:

  • \( M_{\tau} \) — Rated Torque of Spur Gear (N·m)
  • \( Ms_{\tau} \) — Starting Torque on Spur Gear (N·m)
  • \( Ks \) — Service Factor (dimensionless, typically 1.2 ±5%)

Explanation: The starting torque is divided by the service factor to determine the safe continuous operating torque.

3. Importance of Rated Torque Calculation

Details: Proper torque calculation ensures gear longevity, prevents premature wear, and maintains system reliability.

4. Using the Calculator

Tips: Enter the starting torque in N·m and service factor (default 1.2 ±5%). All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: What is a typical service factor value?
A: Most applications use 1.2 ±5%, but this can vary based on application requirements and safety margins.

Q2: How do I determine the starting torque?
A: Starting torque can be calculated from motor specifications or measured during startup.

Q3: Why is the service factor important?
A: It accounts for variations in load, operating conditions, and provides a safety margin for the gear system.

Q4: When would I use a higher service factor?
A: For applications with shock loads, variable conditions, or when reliability is critical.

Q5: Does this calculation include safety factors?
A: Yes, the service factor itself is a safety factor that derates the maximum torque.

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