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Plastic Spur Gears With Stainless Steel Core

Plastic Spur Gears With Stainless Steel Core

Plastic Spur Gears with Stainless Steel Core

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Plastic Spur Gears with Stainless Steel Core


Caution on Product Characteristics] ① Significant variations in temperature or humidity can cause dimensional changes in plastic gears (MC Nylon gears), including bore size (H8 when produced),

tooth diameter, and backlash. Please see the section “Design of Plastic Gears” in separate technical reference book.

② The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please ask for more details.

③ When the core O.D is the same as the hub diameter, you may see some serration on the hub. There is no effect on the strength of the gear.

④ Without lubrication, using plastic gears in pairs may generate heat and dilation. It is recommended to mate them with steel gears.

⑤ The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh


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Materials

Type [ M ]Material [ A ]Accessories
Gears Metal Hub
Insert
HZPTM MC Nylon - Set Screw
(4137 Alloy Steel,
Black Oxide)
HZPTMS 1045 Carbon Steel
HZPTMT 304 Stainless Steel Set Screw (304 Stainless Steel)
HZPTP Polyacetal - Set Screw (4137 Alloy Steel,
Black Oxide)
HZPTPS 1045 Carbon Steel
HZPTPT 304 Stainless Steel Set Screw (304 Stainless Steel)

[ ! ]Set Screw is not included in products with Gear Shape A.

Specifications

Part Number - Number of Teeth - B - Gear
Shape
- P
HZPTM1.0 - 20 - 10 - A - 8
HZPTPS2.0 - 40 - 20 - B - 20
HZPTM0.5 - 20 - 8 - K - 7

[ ! ]When gear shape is not specified, Module 1.0 with 18 or more number of teeth and Module 1.5, 2.0, 2.5, 3.0 will be Shape B.

Part Number Number of Teeth B Gear Shape Shaft Bore Dia. PH7 d Reference Dia. D Tip Dia. G Root Dia. H L ℓ1 ℓ2 M (Coarse) d1 *1. Allowable Transmission Force (N·m) Bending Strength
Type Module W/o Metal Hub Insert With Metal Hub Insert MC Nylon Polyacetal
HZPTM
(MC Nylon)
HZPTP
(Polyacetal)
HZPTMS
(With Metal Hub Insert, MC Nylon)
HZPTPS
(With Metal Hub Insert, Polyacetal)
HZPTMT
(Stainless Steel with Metal Hub Insert, MC Nylon)
HZPTPT
(Stainless Steel with Metal Hub Insert, Polyacetal)
0.5 *15 8 K 3~5 - 7.5 8.5 6.25 9 18 10 3 M3 -
-
0.08 0.33
*16 8 9 6.75 0.09 0.36
*18 3~7 9 10 7.75 10 0.11 0.42
*20 10 11 8.75 11 0.12 0.49
*20 3 B 3~5 10 11 8.75 8.5 8
(B=3)
7
(B=2)
5 2.5 0.05 0.18
*24 3~7 12 13 10.75 10 0.06 0.23
*25 12.5 13.5 11.25 0.06 0.24
*28 14 15 12.75 0.07 0.28
*30 15 16 13.75 0.08 0.31
*32 16 17 14.75 0.08 0.33
*36 18 19 16.75 0.1 0.39
*40 2 20 21 18.75 0.11 0.44
*45 22.5 23.5 21.25 0.13 0.51
*48 3 24 25 22.75 0.14 0.55
*50 25 26 23.75 0.15 0.58
*56 3 28 29 26.75 0.17 0.67
*60 30 31 28.75 0.18 0.73
*64 32 33 30.75 0.2 0.78
*70 3~8 35 36 33.75 12 0.22 0.86
*72 36 37 34.75 0.22 0.89
*80 40 41 38.75 0.25 0.99
*90 3~9 45 46 43.75 14 0.28 1.13
*100 50 51 48.75 0.32 1.27
*120 60 61 58.75 0.39 1.54
0.8 *12 7 K 4~7 - 9.6 11.2 7.6 11.2 20 13 3 M3 0.13 0.5
*14 4~8 11.2 12.8 9.2 12.8 0.17 0.66
*15 4~9 12 13.6 10 13.6 0.18 0.73
*16 5 B 4~7 12.8 14.4 10.8 10 14 9 0.15 0.58
*18 14.4 16 12.4 0.17 0.67
*20 16 17.6 14 0.2 0.78
*24 5~8 19.2 20.8 17.2 12.5 0.25 0.98
*25 20 21.6 18 0.26 1.04
*28 22.4 24 20.4 0.3 1.2
*30 24 25.6 22 0.33 1.3
*32 25.6 27.2 23.6 4 0.36 1.42
*36 6~9 28.8 30.4 26.8 14 M4 0.42 1.65
*40 32 33.6 30 0.47 1.88
*45 36 37.6 34 0.55 2.18
*48 38.4 40 36.4 0.59 2.36
*50 40 41.6 38 0.63 2.49
*56 44.8 46.4 42.8 0.72 2.85
*60 48 49.6 46 0.78 3.11
*64 51.2 52.8 49.2 0.84 3.33
*70 6~11 56 57.6 54 16 0.92 3.66
*72 57.6 59.2 55.6 0.95 3.78
*80 64 65.6 62 1.07 4.24
*90 6~14 72 73.6 70 20 1.21 4.83
*100 6~16 80 81.6 78 24 1.37 5.43
*120 6~21 96 97.6 94 30 1.66 6.58
1 15 12 A 6~10 6 15 17 12.5 - - - - - P+4 0.49 1.71
*16 K 8~12 - 16 18 13.5 18 25 13 3 M3 - 0.54 1.89
18 10 A 8~10 8 18 20 15.5 15 20 10 4 M4 P+4 0.53 1.84
20 8~11 20 22 17.5 16 0.61 2.13
22 B 8~12 22 24 19.5 18 0.69 2.41
24 8~14 8, 10 24 26 21.5 20 0.77 2.69
25 25 27 22.5 0.82 2.84
26 8~15 26 28 23.5 22 0.86 3
28 28 30 25.5 0.94 3.28
30 10~17 10, 12 30 32 27.5 25 1.03 3.56
32 10~18 32 34 29.5 26 1.11 3.87
35 35 37 32.5 1.25 4.34
36 10~19 10, 12, 15 36 38 33.5 28 1.3 4.51
40 10~21 40 42 37.5 30 1.48 5.15
45 45 47 42.5 1.71 5.95
48 48 50 45.5 1.86 6.45
50 10~24 10, 12, 15,20 50 52 47.5 35 1.96 6.8
55 55 57 52.5 2.2 7.63
60 60 62 57.5 2.44 8.49
70 10~28 70 72 67.5 40 2.88 10.02
75 75 77 72.5 3.11 10.8
80 80 82 77.5 3.33 11.59
90 90 92 87.5 3.8 13.19
100 100 102 97.5 4.27 14.84
120 120 122 117.5 5.18 17.99
1.5 15 15 A 8~12 8 22.5 25.5 18.75 18 24 9 3 M3 P+4 1.38 3.16
16 8~14 8, 10 24 27 20.25 20 1.53 3.5
18 B 8~15 27 30 23.25 22 27 12 4 M4 1.79 4.08
20 8~17 8, 10, 12 30 33 26.25 25 2.07 4.73
24 8~21 8, 10, 12,15 36 39 32.25 30 2.61 5.97
25 8~21 37.5 40.5 33.75 2.76 6.3
26 8~22 39 42 35.25 32 2.91 6.65
28 8~23 42 45 38.25 34 3.18 7.27
30 8~24 8, 10, 12,15, 20 45 48 41.25 35 3.46 7.9
32 8~28 48 51 44.25 40 3.76 8.58
35 8~28 52.5 55.5 48.75 4.22 9.63
36 8~28 54 57 50.25 4.38 10
40 10~31 10, 12, 15,20, 25 60 63 56.25 45 5 11.42
45 10~31 67.5 70.5 63.75 5.78 13.2
48 10~31 72 75 68.25 6.27 14.31
50 10~31 75 78 71.25 6.6 15.08
60 10~35 90 93 86.25 50 8.24 18.83
70 12~35 12, 15, 20,25 105 108 101.25 9.72 22.21
80 12~38 120 123 116.25 55 11.25 25.7

[ NG ]Number of Teeth with *is not With Metal Hub Insert Type.

*1 Allowable Transmission Forces in the table are reference values calculated with prescribed conditions. For conditions >> Click here Module 0.5 with 40~50 teeth are calculated as tooth width 3mm.




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