Industrial Helical Spur Gear Mn4 25° ISO9

Product Details
Customization: Available
Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car, Industrial Machinery Area
Hardness: Soft Tooth Surface
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  • Industrial Helical Spur Gear Mn4 25° ISO9
  • Industrial Helical Spur Gear Mn4 25° ISO9
  • Industrial Helical Spur Gear Mn4 25° ISO9
  • Industrial Helical Spur Gear Mn4 25° ISO9
  • Industrial Helical Spur Gear Mn4 25° ISO9
  • Industrial Helical Spur Gear Mn4 25° ISO9
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Basic Info.

Model NO.
FD-SG0020
Gear Position
Internal Gear
Manufacturing Method
Cast Gear
Toothed Portion Shape
Spur Gear
Material
Stainless Steel
Type
Circular Gear
Transport Package
Box
Specification
The module is 3mm, the number of teeth is 20, the
Trademark
Jinjiang Feida
Origin
Quanzhou
HS Code
1601002090
Production Capacity
1000000

Packaging & Delivery

Package Size
10.00cm * 28.00cm * 28.00cm
Package Gross Weight
10.000kg

Product Description

Helical Spur Gear Product Details (Industrial Grade)

Industrial Helical Spur Gear Mn4 25° ISO9
Industrial Helical Spur Gear Mn4 25° ISO9
Industrial Helical Spur Gear Mn4 25° ISO9
Industrial Helical Spur Gear Mn4 25° ISO9
Industrial Helical Spur Gear Mn4 25° ISO9

 

 
(Technical Specifications, Scenario Applications & Engineering Advantages)

1. Core Specifications (ISO 6336-1:2019 Compliant)

 
Parameter Standard Value (Example) Customizable Range
Type Cylindrical Helical Spur Gear Helical Bevel Gear (Upon Request)
Normal Module (mn) 2mm~12mm (Common: mn3, mn4) mn0.5~20mm (Special Order)
Helix Angle (β) 15°~45° (Optimal: 20°~25°) ±0.5° Precision Adjustment
Material 20CrMnTi (Carburized) / 42CrMo 300M Steel (High-Strength)
Precision Grade ISO 8~10 (Standard) ISO 6 (High-Precision CNC)
Contact Ratio ≥2.5 (vs. Spur Gear: 1.5~2) ≥3.0 (Customized Tooth Profile)

2. Scenario-Specific Engineering

Injection Molding Machine Gearbox
 
  • Technical Highlights:
    (Tip Relief)+ (Crowning), 72dB
    HRC 58( HRC 30), 80,000 ( MA3000 )
  • Case Study:
    :, 65%,¥45
  • Certifications: ISO 19903()
Industrial Reducer (1:100 Ratio)
 
  • Key Design:
    (Double Helical),(:≤500N)
    (ISO 4927), 3
  • Performance:
    3,000rpm, 2,500Nm( 98.2%,FZG 12 )
Automotive Transmission
 
  • Automotive-Grade Features:
    (20CrMnTi+40Cr ), 18% 22%
    Ra 0.8μm(ISO 468),<68dB(GB/T 19055-2021)
  • Compliance: IATF 16949, SAE J1728()

3. Manufacturing Process & Quality Control

 
  1. Precision Machining:
    • KAPP NILES ( ±3μm),≤5μm(ISO 1328 Class 6)
    • →→→,<8μm(:15μm)
  2. Testing Protocol:
    Test Item Standard Result (Example)
    Tooth Contact Pattern ISO 10064-2 ≥85% Contact Ratio()
    Bending Fatigue FZG Test (ISO 14635) 1,200,000 Cycles (Failure Free)
    Thermal Stability -40ºC~120ºC Cycling (500h) Dimension Change<0.02%

4. Advantages Over Spur Gears

 
Feature Helical Spur Gear Spur Gear
Noise 72dB(1,500rpm) 85dB()
Load Capacity +35%() Baseline
Lubrication ( 30%) ,
Axial Force ( + 5%)  

5. Selection Guide (Industrial Decision Tree)

 
  1. By Speed:
    <1,000rpm: Spur Gear()
    1,000~5,000rpm: Helical Spur()
    >5,000rpm: Double Helical(,)
  2. By Load:
    <500Nm: 20CrMnTi()
    500~2,000Nm: 42CrMo( + )
    >2,000Nm: 300M Steel(,)
  3. By Environment:
    : + IP65 ()
    : 316 + ( 1,000h)

6. Visualization & Documentation

 
  • 3D Drawing: Include mn, β, number of teeth, and mounting dimensions (e.g., Φ80H7 bore)
  • Test Report: FZG ,( ISO 10064-2 )
  • Installation Guide: Axial force calculation formula (F = F × tanβ) and bearing selection chart

7. After-Sales Support

 
  • Warranty: 3 Years/40,000 Hours(); 1 Year/100,000 Km()
  • Customization: Free finite element analysis (FEA) for non-standard designs
  • Global Service: 24-hour delivery of replacement gears via DHL(,,)

Glossary for Industrial Buyers

 
  • Helix Angle (β): ,
  • Normal Module (mn): ,(ISO 6708)
  • Contact Ratio: ,>2.5 (ISO 6336-1)
  • Tooth Profile Modification: ,
 
Need a customized datasheet for your application (e.g., wind turbine helical gears, marine gearboxes)? Share your parameters (mn, β, torque) for a tailored solution!
 
(Prepared by Doubao, March 18, 2025 - Aligned with ISO, SAE, and GB Standards)

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