This Worm Gear Reducer Selection Worksheet ensures all critical data points for worm gear reducer sizing are captured in one go, reducing back-and-forth communication and ensuring 100% compatibility.

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🛠️ Worm Gear Reducer Technical Selection Worksheet

Project Name/Ref: ________________________ Date: ________________

Company Name: ___________________________ Contact: _______________

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1. Motor Input Specifications

• Motor Power: [ ____ ] kW / [____] HP
• Input Speed (n₁): [____] 900 RPM (6-pole) / [____] 1400 RPM (4-pole) / [____] 2800 RPM (2-pole)
• Motor Flange Type: [____] B5 (Large) / [____] B14 (Small)
• Motor Shaft Diameter: [____] 9mm / [____] 11mm / [____] 14mm / [____] 19mm / [____] 24mm / [____] 28mm / [____] Other: ______

2. Gearbox Performance Requirements

• Desired Output Speed (n₂): ________ RPM
• Required Reduction Ratio (i): ________ (Ratio = n₁ / n₂)
• Required Output Torque (M₂): ________ Nm (Newton Meters)
• Self-Locking Requirement: [____] Not Required / [____] Desired (Static) / [____] Critical (Dynamic)

3. Application & Service Factor (f_s)

• Daily Operating Hours: [____] < 2 hrs / [____] 2–8 hrs / [____] 8–24 hrs
• Type of Load:
  • [____] Uniform: (Fans, light conveyors, liquid stirrers)
  • [____] Moderate Shock: (Heavy conveyors, food mixers, wood machinery)
  • [____] Heavy Shock: (Crushers, reciprocating pumps, heavy agitators)
• Starts per Hour: [____] < 10 / [____] 10–60 / [____] > 60 (Frequent Start/Stop)

4. Physical Configuration & Mounting

• NMRV Frame Size (if known): [____] NMRV025 [____] NMRV030 [____] NMRV040 [____] NMRV050 [____] NMRV063 [____] NMRV075 [____] NMRV090 [____] NMRV110 [____] NMRV130 [____] NMRV150
• Housing Material: [____] Die-cast Aluminum / [____] Cast Iron
• Mounting Position:
  • [____] B3 (Horizontal, Motor on top)
  • [____] B8 (Horizontal, Motor on bottom)
  • [____] V5 (Vertical, Motor shaft pointing up)
  • [____] V6 (Vertical, Motor shaft pointing down)
• Output Configuration:
  • [____] Hollow Output Shaft (Standard)
  • [____] Single Solid Output Shaft (Left/Right)
  • [____] Double Solid Output Shaft

5. Environmental Conditions

• Ambient Temperature: ________ °C
• Environment: [____] Standard Indoor / [____] Outdoor/UV Exposure / [____] Washdown (Food Grade) / [____] Corrosive/Chemical

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📩 Submission Instructions

Please complete this worksheet and send it to betsy@wormgearreducer.com. Our engineering team will perform a technical audit and provide a confirmed worm gearbox selection guide and quote within 24 hours.