About Foot Mounted Helical Gearbox

INLINE HELICAL GEARBOX DETAILED SPECIFICATIONS

1. General Construction

• Gear Type: Helical (Single / Double / Triple Stage)
• Configuration: Inline (Co-axial input & output shaft)
• Mounting Options:
  • Foot Mounted (B3)
  • Flange Mounted (B5 / B14)
• Design Standard: ISO / DIN compatible

2. Power & Input Details

• Power Range:
  • 0.18 kW to 75 kW (standard)
  • Up to 200 kW (custom heavy-duty)
• Input Speed Options:
  • 750 RPM
  • 1000 RPM
  • 1440 RPM
  • 3000 RPM (high-speed input optional)
• Motor Compatibility:
  • IEC Standard Motors
  • TEFC (Totally Enclosed Fan Cooled)
  • Brake Motor (optional)
  • Explosion Proof Motor (optional)

3. Gear Ratio & Stages

• Custom Ratio: Available as per application

4. Output Parameters

• Output Speed: 5 RPM to 500 RPM
• Output Torque:
  • Standard: up to 18,000 Nm
  • Heavy Duty: up to 50,000 Nm
• Service Factor: 1.0 to 2.5 (application based)

5. Gear Details

• Gear Material:
  • Case Hardened Alloy Steel (20MnCr5 / EN353)
• Heat Treatment:
  • Carburized & Hardened
  • Ground Tooth Profile
• Hardness:
  • 5862 HRC
• Helix Angle: 15 to 25
• Quality Standard: DIN 6 or better

6. Shaft Details

Input Shaft

• Material: EN8 / EN24
• Type: Solid / Hollow

Output Shaft

• Type:
  • Solid Shaft (Keyway as per ISO)
  • Hollow Shaft (Shrink Disc optional)
• Surface Finish: Ground & polished

7. Housing (Body)

• Material:
  • Cast Iron (FG200 / FG260)
  • Aluminium (small sizes only)
• Construction:
  • One-piece rigid housing
  • Ribbed for heat dissipation
• Machining: CNC precision machined

8. Bearings

• Type:
  • Taper Roller Bearings
  • Deep Groove Ball Bearings
• Brand Options: SKF / FAG / NBC

9. Lubrication System

• Method:
  • Splash Lubrication
  • Forced Lubrication (for high load)
• Oil Grade:
  • ISO VG 220 / 320 / 460
• Oil Seals: Nitrile Rubber (NBR) / Viton (optional)

10. Efficiency & Performance

• Efficiency per Stage: 96%
• Overall Efficiency:
  • Single Stage: 9698%
  • Double Stage: 9496%
  • Triple Stage: 9294%
• Noise Level: < 65 dB

11. Cooling System

• Natural Air Cooling
• Optional Cooling Fan
• Optional Oil Cooling System

12. Protection & Standards

• IP Rating: IP55 / IP65 (optional)
• Temperature Rise: < 50C
• Ambient Temp: -10C to +50C

13. Accessories (Optional)

• Backstop (anti-reverse)
• Torque Arm
• Cooling Fan
• Oil Level Indicator
• Breather Plug
• Temperature Sensor (PT100)

14. Applications

• Conveyor Systems
• Crushers
• Mixers & Agitators
• Packaging Machines
• Textile Machinery
• Food Industry
• Cement Plants
• Material Handling Equipment