42CrMo Ground Spur Ring Gear for Circular Knitting Machinery-Newyinye

42CrMo Ground Spur Ring Gear for Circular Knitting Machinery

Key Features:
Designed for circular knitting machinery and precision industrial transmission systems
Spur ring gear structure for stable rotation and reliable torque transmission
Made from 42CrMo material for high strength and durability
Ground tooth surface for improved meshing accuracy and smoother operation
Involute tooth profile for stable gear engagement
20° pressure angle for standard industrial gear transmission
DIN 3962 Class 6 accuracy for improved transmission precision
Suitable for large-diameter ring gear applications requiring stable performance
Custom manufacturing available based on drawings, samples, and technical requirements

Gear Basic Data
Gear Tooth Shape	involute
Gear Material	42CrMo
Gear Process	forging, lathing, hobbing, internal and plane grinding, tooth grinding
Pressure Angle	20°
Quality level	DIN 3962 class 6
Gear Type	Mn=3.5, Z=390, β=0°, X=0.25

Gear Basic Data

Gear Tooth Shape

involute

Gear Material

42CrMo

Gear Process

forging, lathing, hobbing, internal and plane grinding, tooth grinding

Pressure Angle

20°

Quality level

DIN 3962 class 6

Gear Type

Mn=3.5, Z=390, β=0°, X=0.25

INTERNAL GEARS AND INTERNAL SPLINES
	MILLING	SHAPING	TOOTH GRINDING
Maximum O.D.	2500 mm	2500 mm	2500 mm
Minimum I.D.	650 mm	50 mm	100 mm
Maximum Face Width	500 mm	500 mm	500 mm
Maximum Diametral Pitch	DP 1	DP 1	DP 0.5
Maximum Module	26 mm	26 mm	45 mm
AGMA Level/ DIN Level	DIN Class 8	DIN Class 8	DIN Class 4
Tooth Surface Finishing	Ra 3.2	Ra 3.2	Ra 0.6
Maximum Helix Angle	±22.5°	±22.5°	±45°

EXTERNAL GEARS AND EXTERNAL SPLINES
	HOBBING	MILLING	TOOTH GRINDING
Maximum O.D.	1250 mm	2500 mm	2500 mm
Minimum O.D.	20 mm	200 mm	20 mm
Maximum Face Width	500 mm	500 mm	1480 mm
Maximum Diametral Pitch	DP 1	DP 1	DP 0.5
Maximum Module	26 mm	26 mm	45 mm
AGMA Level/ DIN Level	DIN Class 8	DIN Class 8	DIN Class 4
Tooth Surface Finishing	Ra 3.2	Ra 3.2	Ra 0.6
Maximum Helix Angle	±45°	±45°	±45°

INTERNAL GEARS AND INTERNAL SPLINES

MILLING

SHAPING

TOOTH GRINDING

Maximum O.D.

2500 mm

Minimum I.D.

650 mm

50 mm

100 mm

Maximum Face Width

500 mm

Maximum Diametral Pitch

DP 1

DP 0.5

Maximum Module

26 mm

45 mm

AGMA Level/ DIN Level

DIN Class 8

DIN Class 4

Tooth Surface Finishing

Ra 3.2

Ra 0.6

Maximum Helix Angle

±22.5°

±45°

EXTERNAL GEARS AND EXTERNAL SPLINES

HOBBING