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Customized Internal Spur Gear For Precise And Space-Saving Transmission

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Customized Internal Spur Gear For Precise And Space-Saving Transmission

Brand Name : YIZGEAR

Place of Origin : CHINA

MOQ : 2 Sets

Price : 300＄

Payment Terms : L/C, T/T

Supply Ability : 500 Sets/Month

Delivery Time : 60 Days

Packaging Details : Plywood Crate

Manufacture : Gear Shapping

Module : 1.5

Gear Profile : Internal Gear

Pressure Angle : 20 degrees

Accuracy Grade : ISO 8-9 Grade

Heat Treatment : Hardened

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1)Descriptions of Internal Gear
Internal spur gears refer to gears whose teeth are distributed on the inner surface of a cylinder or cone (i.e., internal gears),

with a straight tooth profile (parallel to the axis), and they are usually engaged in transmission with external gears.
2)Features of Internal Gear

a) The tooth groove is on the inner side, and the tooth tip points towards the center. The meshing mode with the outer gear is opposite.

b) The straight tooth design makes the processing relatively simple and is suitable for standardized production.

3)Advantages of Internal Gear

a) Compact structure: Internal meshing saves space and is suitable for applications requiring small-sized transmissio.

b) High transmission efficiency: The friction loss in straight gear meshing is small, and the efficiency can reach over 95%.

Products Internal Gear
Custom Made √
Gear Profile Type Cylindrical Gear
Gear Teeth manufacturing Gear Shaping
Gear Teeth Grinding If needed
Module (M) 0.5-25
Number of Teeth (Z) Custom
Pressure Angle (α) 20°
Helix Angle (β) 0
Teeth Accuracy Grade ISO 8-9 Grade
Heat Treatment Quenching & Tempering
Hardness 230-260 HB

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 　

Customized Internal Spur Gear For Precise And Space-Saving Transmission

Customized Internal Spur Gear For Precise And Space-Saving Transmission


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