It is widely used in automotive gearboxes, construction machinery, aero engines, machine tool spindles, etc.
It can be designed as a fixed connection or a sliding connection (such as the drive shaft of a four-wheel drive vehicle).

Versatility: It not only supports static high torque transmission but also ADAPTS to dynamic axial movement (such as clutch control shafts).
Compact design: Saves space compared to keyway connections and is suitable for lightweight and highly integrated devices.

Technical Specifications

Parameter	Specification
Custom Made	Available
Gear Profile Type	Spline
Manufacturing Process	Spline Milling & Spline Grinding
Teeth Grinding	Included
Module (M)	Custom
Number of Teeth (Z)	Custom
Pressure Angle (α)	Custom
Lead Angle	Custom
Accuracy Grade	ISO 6-7 Grade
Heat Treatment	Carburizing
Surface Hardness	58-62HRC

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

Production Equipment

Manufacturing Process

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