Plastic High Precision Gears 10mm Printer White Small Spur Gears Straight Teeth
Cylinder round spur gear with straight teeth for printer , a pin hole in centre for fixing spur gear .
Technical Data
| Modulus |
m |
0.5 |
| Number of teeth |
z |
10 |
| Outside diameter |
da |
6 |
| Root diameter |
df |
3.75 |
| Reference circle |
d |
5 |
| 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° |
| Full length |
L |
10 |
Unit : mm
Precsion
Level 9 based on ISO standard .
Material
Spur gears are made from plastic nylon PA66
Application
10mm length spur gear with straight teeth is used for printer , it is also used to other items like
▲ Duplicating machine
▲ Speed reducer
▲ Timing device
▲ Micro electric motor
▲ Camera
▲ Instruments and meters
▲ Vacuum cleaner
▲ Light for car
▲ Toy
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 |
Electric Performance
| Dielectric constant |
1.63 |
| Arc resistance sec |
130～140 |
| Specific volume resistance Ω·cm |
1.83×1015 |
| dissipation factor |
100～400 |
| Dielectric strength(kV/mm) |
20～30 |
Features
Good self-lubricant
High mechanical property
Resistant high temperature
Normally , the part can be operated smoothly at temperature 150℃ and thermal deformed temperature is up to 250℃ when parts with glass fiber .
Perfect elongation
Elongation at break is 2.2% according to ISO 527 testing method .
Corrosion resistance
Good insulation
Specific volume resistance is 1.83×1015 and resistance to high breakdown voltage support part to be good insulated .
Resistant impact
60 – 80 KJ/M2 normally .
Resistant fire
Generally , the fire resistance is UL94V-2 and UL64V-0 for special parts .
Resistance to low temperature
Plastic spur gear can be workable at -30℃
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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