إن Gear Material Pair Calculator is a practical engineering tool designed to help users evaluate and select suitable material combinations for mating gears. By considering key factors such as gear material properties, hardness, strength, wear resistance, friction, and operating conditions, the calculator supports more reliable gear material selection. The Gear Material Pair Calculator is useful for engineers, designers, and technicians working with gearboxes, industrial machinery, automotive transmissions, and other power transmission systems. It can help compare different gear material pairs, reduce excessive wear, improve durability, and support efficient gear design decisions. Whether you are designing a new gear system or optimizing an existing transmission, this calculator provides a convenient way to assess material compatibility and improve the performance and service life of gear components.

معلمات الإدخال
Pinion Material
Gear Material
Hardness Parameters
Geometry & Load
Evaluation Results
Awaiting Calculation…
Hardness Delta (ΔHB)
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HB₁ − HB₂ (converted)
Surface Classification
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Soft / Hard tooth surface
Bending Stress Ratio
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σF1 / σF2
Contact Stress Ratio
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σH1 / σH2
Bending: σF1/σF2—
Contact: σH1/σH2—
Validation Alerts
  • Configure inputs and click “Calculate” to begin.

Design Recommendations

  • Results will appear here after calculation.
Torque T₁
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Gear Ratio u
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Pinion Cycles / Gear Cycle
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