Internal Spline Coupling
Key Features:
Designed for feed machinery, biofuel equipment, and industrial transmission systems
Internal spline structure for secure shaft connection and stable torque transfer
Flanged housing design for reliable mounting and assembly
Made from QT400-15 material for strength and structural stability
Involute spline profile for reliable engagement performance
20° pressure angle for standard industrial spline transmission
DIN 3962 Class 7 accuracy for stable machining quality
Mounting holes and flange structure can be customized according to drawings or samples
Custom manufacturing available based on customer technical requirements

Gear Basic Data | |
|---|---|
Gear Tooth Shape | involute |
Gear Material | QT400-15 |
Gear Process | foging, lathing, hobbing, internal and plane grinding, shaping |
Pressure Angle | 20° |
Quality level | DIN 3962 Class 7 |
Gear Type | M=4,Z=40,a=20° |
Total Length mm | 270 |
Packing | Seaworthy package |
MOQ | 5 |
CAPABILITIES OF GEAR/ SPLINE
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° |
CAPABILITIES OF GEAR/ SPLINE
INTERNAL GEARS AND INTERNAL SPLINES |
|||
|
MILLING |
SHAPING |
TOOTH GRINDING |
Maximum O.D. |
2500 mm |
2500 mm |
2500 mm |
Minimum I.D. |
600 mm |
100 mm |
100 mm |
Maximum Face Width |
700 mm |
500 mm |
700 mm |
Maximum Diametral Pitch |
DP 0.79 |
DP 2.54 |
DP 1 |
Maximum Module |
32mm |
10mm |
26mm |
AGMA Level/ DIN Level |
DIN Class 10 |
DIN Class 8 |
DIN Class 4 |
Tooth Surface Finishing |
Ra 3.2 |
Ra 3.2 |
Ra 0.6 |
Maximum Helix Angle |
±22.5° |
±30° |
±45° |
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EXTERNAL GEARS AND EXTERNAL SPLINES |
|||
|
HOBBING |
MILLING |
TOOTH GRINDING |
Maximum O.D. |
1250 mm |
2500 mm |
2500 mm |
Minimum O.D. |
16 mm |
100 mm |
20 mm |
Maximum Face Width |
500 mm |
900 mm |
1480 mm |
Maximum Diametral Pitch |
DP 1.58 |
DP 0.79 |
DP 0.56 |
Maximum Module |
16mm |
32mm |
45 mm |
AGMA Level/ DIN Level |
DIN Class 8 |
DIN Class 10 |
DIN Class 4 |
Tooth Surface Finishing |
Ra 3.2 |
Ra 3.2 |
Ra 0.6 |
Maximum Helix Angle |
±45° |
±22.5° |
±45° |
And the MAX. machining part on the 5 axis machine is OD 1300mm, height 1200m and bore is min. 100. For the rest, they are not restricted by the no. of module.
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