⚙️ ASME A17.1 Section 2.15 (1:1 vs 2:1 Roping, T1/T2 Euler Traction Slip Margin)

Traction Elevator Rope Tension Calculator

Evaluate steel wire rope and polyurethane-coated steel belt traction ratios across cast iron driving sheaves under ASME A17.1 & EN 81-50: calculate Euler rope tension ratio (T1/T2 < e^(f x α) under 125% rated load braking to strictly prevent rope slipping in the grooves), groove pressure (PSI), and elevator modernization contracting profits.

1. Project & Operating Inputs

Elevators Re-Roped & Sheave Replaced (Car Count e.g. 4 High-Rise Cars)

Rated Passenger Capacity (Lbs e.g. 3,500 Lb Heavy Passenger Cab)

Customer Bid Price for Supplied & Roped Machine Sheaves ($ / Car)

Ductile Iron Drive Sheaves, Draka 1/2" Wire Ropes, Certified Mechanics ($)

2. Financial Breakdown & Yield

ASME A17.1 TRACTION SHEAVES

Turnkey Traction Sheave Retrofit Profit

Elevator Modernization Contractor Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost