Shafts 1.We have two main kinds of shafts to meet customers'
different demands:Traditional Spline Milling Shaft Cold
rolling Shaft2.Range of work:Length: within 15000mm3.Keyslot
Types:Single keyway
Square keyslot High
torque key button
Dual
keyslot Involute inner spline
Round keyslotRectangle spline
Client's
requirements available TypeContrast
ContentMachiningAccuracySurfaceFinish MechanicalProperty SplineStrength TorqueForcePriceCold
Rolling Shaft *****************************Traditional
SplineMilling Shaft******************MaterialsThere are different
materials for different demands. - Imported material(Made in
Japan or Germany)- Domestic material -WR series
material(WR6/WR8/WR9/WR10/WR12/WR15A/WR15E/WR30)Advantages of cold
rolling mandrel compared with traditional Spline MillingCold
extrusion spline processing:Replacing traditional mechanical
cutting methods with advanced cold extrusion technology is a
qualitative leap in the spline machining process. It not only
improves the machining accuracy and surface finish, but also
greatly improves the mechanical properties of the parts. The cold
work hardening of the metal after cold extrusion and the formation
of a reasonable fiber streamline distribution inside the part make
the spline strength much higher than that processed by mechanical
cutting. Through the test, the mandrel processed by the process has
a load-bearing torque of 25-30%, and the accuracy is improved by
two levels, achieving the national standard six-level accuracy. In
addition, a reasonable cold extrusion process can form compressive
stress on the surface of the part to improve fatigue
strength.Comparison table 2--Torque of Spline ShaftTypeMiddle
diameter of splineTorque of spline shaft (N*m)WR12 HRC38 ~42WR15A
HRC38-42WR15E HRC38-4240CrNiMoa HRC28 ~3240CrNiMoa
HRC32 ~3540CrNiMoa
HRC3S-422010.57574834463703016267261295157224275351838037142122331839240205215095773064375375024900880997528754929522712821253142075210741322603323402287259213741961241465332340228725921374196124147539386337754279226832373985854455485421614432574648572295529157894810142537576729445Related
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