18 Straight Teeth Nylon Plastic Spur Gears Lightweight 0.5 m Modulus For Toy
Plastic white spur gears with straight teeth for toy transmission purpose , cylinder body and a through hole in centre , a pin or shaft is put through it to support gear .
Technical Data
Including Modulus , Number of Teeth ,Outside diameter ,Root diameter ,reference circle ,depth of tooth ,tooth addendum ,tooth dedendum ,pitch ,teeth thickness and pressure angle .
| Modulus |
m |
0.5 |
| Number of teeth |
z |
18 |
| Outside diameter |
da |
10 |
| Root diameter |
df |
7.75 |
| Reference circle |
d |
9 |
| Depth of tooth |
h |
1.12 |
| Tooth addendum |
ha |
0.5 |
| Tooth Dedendum |
hf |
0.625 |
| Pitch |
p |
1.57 |
| Teeth thickness |
s |
0.8 |
| Pressure angle |
ɑ |
20° |
Precision
Level 9 based on ISO standard .
Material
Spur gears are made from plastic nylon PA66
Color
Based on White RAL 9003 , there are more colors for choices .
| RAL 3000 |
RAL 3001 |
RAL 3002 |
RAL 3003 |
RAL 3004 |
RAL 3005 |
RAL 3007 |
RAL 3009 |
RAL 3011 |
| RAL 6000 |
RAL 6001 |
RAL 6002 |
RAL 6003 |
RAL 6004 |
RAL 6005 |
RAL 6006 |
RAL 6007 |
RAL 6009 |
| RAL 9001 |
RAL 9003 |
RAL 9004 |
RAL 9005 |
RAL 9010 |
RAL 9011 |
RAL 9016 |
RAL 9017 |
RAL 9018 |
Application
The specification of spur gears are designed for toy transmission purpose , they are used to following items as well
▲ Household appliances
▲ Official appliances
▲ Car
▲ Timing device
▲ Micro electric motor
▲ Camera
▲ Instruments and meters
Mechanical Property
| Tensile strength MPa |
60～80 |
| Elongation at break % |
2.2 |
| Bending strength MPa |
100～120 |
| Modulus of elasticity for bending MPa |
2000 ～3000 |
| Notched Impact Strength(J/m) |
60～100 |
| HR hardness |
118 |
Features
Self –lubricant
Low noise
Small inertia
Light weight
We make more plastic gears with different specifications for many fields in industry , please contact us if you are interesting in any gear , we are able to develop customized plastic gears as well .
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18 Straight Teeth Nylon Plastic Spur Gears Lightweight 0.5 m Modulus For Toy Images
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