Plastic Worm Gears (DG)
Fine pitch worm wheels made of polyacetal, a stable plastic material.
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Bore Type: Plain
Number of Start: 1
Nominal Lead Angle: 2°36'
Hand of Thread: Right Hand
Reduction Ratio: 20
Module: 0.5
No. of teeth : 20
Profile Shift Coefficient: -0.01
Shape: HA
Bore (A): 4.0 (mm)
Hub Diameter (B): 9.0 (mm)
Pitch Diameter (C): 10.01 (mm)
Outer Diameter (D'): 11.0 (mm)
Mounting Distance (J): 10.5 (mm)
Face Width (E): 5.0 (mm)
Hub Width (F): 7.0 (mm)
Total Length (G): 12.00 (mm)
Helix Angle: 2°36'
Pressure Angle : 20°
Plain
0.5
20
HA
4.0
10.01
Bore Type: Plain
Number of Start: 2
Nominal Lead Angle: 5°13'
Hand of Thread: Right Hand
Reduction Ratio: 10
Module: 0.5
No. of teeth : 20
Profile Shift Coefficient: -0.042
Shape: HA
Bore (A): 4.0 (mm)
Hub Diameter (B): 9.0 (mm)
Pitch Diameter (C): 10.04 (mm)
Outer Diameter (D'): 11.0 (mm)
Mounting Distance (J): 10.5 (mm)
Face Width (E): 5.0 (mm)
Hub Width (F): 7.0 (mm)
Total Length (G): 12.00 (mm)
Helix Angle: 5°13'
Pressure Angle : 20°
Plain
0.5
20
HA
4.0
10.04
Bore Type: Plain
Number of Start: 1
Nominal Lead Angle: 2°36'
Hand of Thread: Right Hand
Reduction Ratio: 30
Module: 0.5
No. of teeth : 30
Profile Shift Coefficient: -0.015
Shape: HA
Bore (A): 4.0 (mm)
Hub Diameter (B): 12.0 (mm)
Pitch Diameter (C): 15.02 (mm)
Outer Diameter (D'): 16.0 (mm)
Mounting Distance (J): 13.0 (mm)
Face Width (E): 5.0 (mm)
Hub Width (F): 7.0 (mm)
Total Length (G): 12.00 (mm)
Helix Angle: 2°36'
Pressure Angle : 20°
Plain
0.5
30
HA
4.0
15.02
Bore Type: Plain
Number of Start: 2
Nominal Lead Angle: 5°13'
Hand of Thread: Right Hand
Reduction Ratio: 15
Module: 0.5
No. of teeth : 30
Profile Shift Coefficient: -0.062
Shape: HA
Bore (A): 4.0 (mm)
Hub Diameter (B): 12.0 (mm)
Pitch Diameter (C): 15.06 (mm)
Outer Diameter (D'): 16.0 (mm)
Mounting Distance (J): 13.0 (mm)
Face Width (E): 5.0 (mm)
Hub Width (F): 7.0 (mm)
Total Length (G): 12.00 (mm)
Helix Angle: 5°13'
Pressure Angle : 20°
Plain
0.5
30
HA
4.0
15.06
Bore Type: Plain
Number of Start: 1
Nominal Lead Angle: 2°36'
Hand of Thread: Right Hand
Reduction Ratio: 40
Module: 0.5
No. of teeth : 40
Profile Shift Coefficient: -0.021
Shape: HA
Bore (A): 5.0 (mm)
Hub Diameter (B): 15.0 (mm)
Pitch Diameter (C): 20.02 (mm)
Outer Diameter (D'): 21.0 (mm)
Mounting Distance (J): 15.5 (mm)
Face Width (E): 5.0 (mm)
Hub Width (F): 7.0 (mm)
Total Length (G): 12.00 (mm)
Helix Angle: 2°36'
Pressure Angle : 20°
Plain
0.5
40
HA
5.0
20.02
Bore Type: Plain
Number of Start: 1
Nominal Lead Angle: 2°36'
Hand of Thread: Right Hand
Reduction Ratio: 50
Module: 0.5
No. of teeth : 50
Profile Shift Coefficient: -0.026
Shape: HA
Bore (A): 5.0 (mm)
Hub Diameter (B): 20.0 (mm)
Pitch Diameter (C): 25.03 (mm)
Outer Diameter (D'): 26.0 (mm)
Mounting Distance (J): 18.0 (mm)
Face Width (E): 5.0 (mm)
Hub Width (F): 7.0 (mm)
Total Length (G): 12.00 (mm)
Helix Angle: 2°36'
Pressure Angle : 20°
Plain
0.5
50
HA
5.0
25.03
Bore Type: Plain
Number of Start: 1
Nominal Lead Angle: 2°36'
Hand of Thread: Right Hand
Reduction Ratio: 60
Module: 0.5
No. of teeth : 60
Profile Shift Coefficient: -0.031
Shape: HA
Bore (A): 5.0 (mm)
Hub Diameter (B): 25.0 (mm)
Pitch Diameter (C): 30.03 (mm)
Outer Diameter (D'): 31.0 (mm)
Mounting Distance (J): 20.5 (mm)
Face Width (E): 5.0 (mm)
Hub Width (F): 7.0 (mm)
Total Length (G): 12.00 (mm)
Helix Angle: 2°36'
Pressure Angle : 20°
Plain
0.5
60
HA
5.0
30.03
Bore Type: Plain
Number of Start: 1
Nominal Lead Angle: 3°17'
Hand of Thread: Right Hand
Reduction Ratio: 20
Module: 0.8
No. of teeth : 20
Profile Shift Coefficient: -0.016
Shape: HA
Bore (A): 5.0 (mm)
Hub Diameter (B): 12.0 (mm)
Pitch Diameter (C): 16.03 (mm)
Outer Diameter (D'): 17.6 (mm)
Mounting Distance (J): 15.0 (mm)
Face Width (E): 9.0 (mm)
Hub Width (F): 9.0 (mm)
Total Length (G): 18.00 (mm)
Helix Angle: 3°17'
Pressure Angle : 20°
Plain
0.8
20
HA
5.0
16.03
Bore Type: Plain
Number of Start: 2
Nominal Lead Angle: 6°34'
Hand of Thread: Right Hand
Reduction Ratio: 10
Module: 0.8
No. of teeth : 20
Profile Shift Coefficient: -0.066
Shape: HA
Bore (A): 5.0 (mm)
Hub Diameter (B): 12.0 (mm)
Pitch Diameter (C): 16.11 (mm)
Outer Diameter (D'): 17.6 (mm)
Mounting Distance (J): 15.0 (mm)
Face Width (E): 9.0 (mm)
Hub Width (F): 9.0 (mm)
Total Length (G): 18.00 (mm)
Helix Angle: 6°34'
Pressure Angle : 20°
Plain
0.8
20
HA
5.0
16.11
Bore Type: Plain
Number of Start: 1
Nominal Lead Angle: 3°17'
Hand of Thread: Right Hand
Reduction Ratio: 30
Module: 0.8
No. of teeth : 30
Profile Shift Coefficient: -0.025
Shape: HA
Bore (A): 5.0 (mm)
Hub Diameter (B): 18.0 (mm)
Pitch Diameter (C): 24.04 (mm)
Outer Diameter (D'): 25.6 (mm)
Mounting Distance (J): 19.0 (mm)
Face Width (E): 9.0 (mm)
Hub Width (F): 9.0 (mm)
Total Length (G): 18.00 (mm)
Helix Angle: 3°17'
Pressure Angle : 20°
Plain
0.8
30
HA
5.0
24.04
Bore Type: Plain
Number of Start: 2
Nominal Lead Angle: 6°34'
Hand of Thread: Right Hand
Reduction Ratio: 15
Module: 0.8
No. of teeth : 30
Profile Shift Coefficient: -0.099
Shape: HA
Bore (A): 5.0 (mm)
Hub Diameter (B): 18.0 (mm)
Pitch Diameter (C): 24.16 (mm)
Outer Diameter (D'): 25.6 (mm)
Mounting Distance (J): 19.0 (mm)
Face Width (E): 9.0 (mm)
Hub Width (F): 9.0 (mm)
Total Length (G): 18.00 (mm)
Helix Angle: 6°34'
Pressure Angle : 20°
Plain
0.8
30
HA
5.0
24.16
Bore Type: Plain
Number of Start: 1
Nominal Lead Angle: 3°17'
Hand of Thread: Right Hand
Reduction Ratio: 40
Module: 0.8
No. of teeth : 40
Profile Shift Coefficient: -0.033
Shape: HA
Bore (A): 6.0 (mm)
Hub Diameter (B): 20.0 (mm)
Pitch Diameter (C): 32.05 (mm)
Outer Diameter (D'): 33.6 (mm)
Mounting Distance (J): 23.0 (mm)
Face Width (E): 9.0 (mm)
Hub Width (F): 9.0 (mm)
Total Length (G): 18.00 (mm)
Helix Angle: 3°17'
Pressure Angle : 20°
Plain
0.8
40
HA
6.0
32.05
Bore Type: Plain
Number of Start: 1
Nominal Lead Angle: 3°17'
Hand of Thread: Right Hand
Reduction Ratio: 50
Module: 0.8
No. of teeth : 50
Profile Shift Coefficient: -0.041
Shape: HA
Bore (A): 8.0 (mm)
Hub Diameter (B): 25.0 (mm)
Pitch Diameter (C): 40.07 (mm)
Outer Diameter (D'): 41.6 (mm)
Mounting Distance (J): 27.0 (mm)
Face Width (E): 9.0 (mm)
Hub Width (F): 9.0 (mm)
Total Length (G): 18.00 (mm)
Helix Angle: 3°17'
Pressure Angle : 20°
Plain
0.8
50
HA
8.0
40.07
Bore Type: Plain
Number of Start: 1
Nominal Lead Angle: 3°17'
Hand of Thread: Right Hand
Reduction Ratio: 60
Module: 0.8
No. of teeth : 60
Profile Shift Coefficient: -0.049
Shape: HA
Bore (A): 8.0 (mm)
Hub Diameter (B): 25.0 (mm)
Pitch Diameter (C): 48.08 (mm)
Outer Diameter (D'): 49.6 (mm)
Mounting Distance (J): 31.0 (mm)
Face Width (E): 9.0 (mm)
Hub Width (F): 9.0 (mm)
Total Length (G): 18.00 (mm)
Helix Angle: 3°17'
Pressure Angle : 20°
Plain
0.8
60
HA
8.0
48.08
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