Machine Elements

Calculate Shaft Design, Gear Design, Bearings Life, and more.

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Shaft Design (ASME Standard)

Calculates the minimum required shaft diameter based on power, speed, and material properties.

Operating Loads

Power (P)

Speed (N)

RPM

Bending Moment (M)

Material & Design Factors

Yield Strength (S_y)

MPa

FoS

Bending Factor (K_b)

Torsional Factor (K_t)

Calculated Torque (T)

0 Nm

Min. Shaft Diameter (d)

0 mm

Spur Gear Design

Calculates the geometric parameters for a pair of spur gears.

Module (m)

Pinion Teeth (Nₚ)

Gear Teeth (Nₐ)

Pressure Angle

General Parameters

Gear Ratio

Center Distance

0 mm

Addendum

0 mm

Dedendum

0 mm

Pinion Geometry

Pitch Ø: 0 mm
Outer Ø: 0 mm
Root Ø: 0 mm

Gear Geometry

Pitch Ø: 0 mm
Outer Ø: 0 mm
Root Ø: 0 mm

Belt & Chain Geometry

Calculates the required length and wrap angles for a two-pulley system.

Large Pulley Ø (D)

Small Pulley Ø (d)

Center Distance (C)

Length (L)

0 mm

Small Wrap (θ_s)

0°

Large Wrap (θ_L)

0°

Joint Design

Calculates the strength and safety factor for welded and bolted joints.

Force (P)

Weld Length (l)

Leg Size (h)

Weld Strength

MPa

Throat Area (Aₜ)

0 mm²

Actual Stress (τ)

0 MPa

FoS

Shear Force (P)

Bolt Ø (d)

# of Bolts (n)

Bolt Strength

MPa

Shear Planes

Shear Area (A)

0 mm²

Actual Stress (τ)

0 MPa

FoS

L10 Bearing Life

Calculates the rated life of a bearing based on load, speed, and type.

Bearing Type

Load Rating (C)

Equiv. Load (P)

Speed (N)

RPM

Life (L₁₀)

0 M-Revs

Life in Hours (L₁₀ₕ)

0 hours

Combined Load Stress Analysis

Analyzes stress states on a shaft under combined axial, bending, and torsional loads.

Shaft Ø (d)

Axial Load (F)

Bending Moment (M)

Torsion (T)

Stress Conditions at Critical Points

Normal (σ_x)

0 MPa

Shear (τ_xy)

0 MPa

Principal 1 (σ₁)

0 MPa

Principal 2 (σ₂)

0 MPa

Max Shear (τ_max)

0 MPa

Von Mises (σ_v)

0 MPa

Fatigue Life Estimation (S-N Method)

Estimates the fatigue life of a component using the S-N (stress-life) approach.

Ultimate Strength (S_ut)

MPa

Alternating Stress (σₐ)

MPa

Marin Modification Factors

Surface (kₐ)

Size (kₑ)

Loading (kₗ)

Reliability (kᵣ)

Corrected Endurance Limit (Sₑ)

0 MPa

Estimated Fatigue Life (N)

0 Cycles

Machine Elements

Shaft Design (ASME Standard)

Operating Loads

Material & Design Factors

Spur Gear Design

General Parameters

Pinion Geometry

Gear Geometry

Belt & Chain Geometry

Joint Design

L10 Bearing Life

Combined Load Stress Analysis

Stress Conditions at Critical Points

Fatigue Life Estimation (S-N Method)

Marin Modification Factors

Note / Scratchpad