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Internal Spur Gear with compact internal meshing structure for enhanced power transmission
Internal Spur Gear with compact internal meshing structure for enhanced power transmission
Specifications
Brand Name :
YIZGEAR
Place of Origin :
CHINA
MOQ :
2 Sets
Payment Terms :
L/C, T/T
Supply Ability :
50 Sets/Month
Delivery Time :
35 Days
Packaging Details :
Plywood Crate
Type :
Annular Gear
Gear Type :
Internal Gear
Teeth Number :
Custom
Manufacture :
Gear Shapping
Application :
Gearboxes, transmissions
Production Time :
35 Days
Description

1) Descriptions of Internal Spur Gear

From the perspective of compact space transmission, an internal gear is a type of gear whose teeth are distributed along the inner surface of a ring-shaped component. Typically used in conjunction with external gears (such as pinions or planetary gears), it enables power transmission and speed conversion within limited spatial constraints.

2) Features of Internal Spur Gear

Characterised by an ‘internal meshing’ transmission structure, where the outer gear is nested within the inner gear, resulting in a compact overall footprint; Advantages include a reduced centre distance, significantly diminishing the volume of the equipment's transmission system. Furthermore, the direction of tooth surface contact during internal meshing is more optimal, resulting in superior transmission smoothness compared to externally meshed gears of the same specification. Operational noise levels are notably lower (typically 5-10dB quieter than externally meshed gears).

3) Applications of Internal Spur Gear

Suitable for applications with stringent volume constraints, such as planetary gear mechanisms in automotive automatic transmissions (where the inner gear serves as the ring gear), compact reducers (e.g., robotic joint reducers), power tool drive systems, medical devices (e.g., wheelchair drive mechanisms), and micro-transmission modules within precision instruments.

Technical Specifications
Parameter Specification
Custom Made Available
Gear Profile Type Cylindrical Gear
Manufacturing Process Gear Milling & Gear Teeth Hobbing
Teeth Grinding Included
Module (M) 0.5-25
Number of Teeth (Z) Custom
Pressure Angle (α) Custom
Lead Angle Custom
Accuracy Grade ISO 8-9 Grade
Heat Treatment Nitriding
Surface Hardness 650HV
Steel Code Grades Comparison
CHINA/GB ISO ГΟСТ ASTM JIS DIN
45 C45E4 45 1045 S45C CK45
40Cr 41Cr4 40X 5140 SCr440 41Cr4
20CrMo 18CrMo4 20ХМ 4118 SCM22 25CrMo4
42CrMo 42CrMo4 38XM 4140 SCM440 42CrMo4
20CrMnTi 18XГT SMK22
20Cr2Ni4 20X2H4A
20CrNiMo 20CrNiMo2 20XHM 8720 SNCM220 21NiCrMo2
40CrNiMoA 40XH2MA/40XHMA 4340 SNCM439 40NiCrMo6/36NiCrMo4
20CrNi2Mo 20NiCrMo7 20XH2MA 4320 SNCM420

Internal Spur Gear with compact internal meshing structure for enhanced power transmission

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Product Detail
Brand Name :
YIZGEAR
Place of Origin :
CHINA
MOQ :
2 Sets
Payment Terms :
L/C, T/T
Supply Ability :
50 Sets/Month
Delivery Time :
35 Days
Contact Supplier
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Internal Spur Gear with compact internal meshing structure for enhanced power transmission

Henan Yizhi Machinery Co., Ltd

Active Member
4 Years
zhengzhou
Since 2016
Business Type :
Manufacturer, Exporter
Main Products :
Transmission Gears, Spiral Bevel Gears, Herringbone Gears
Total Annual :
1.0 Million-1.5 Millon
Employee Number :
50~200
Certification Level :
Active Member
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