13 Straight Teeth Metric Spur Gears Plastic PMMA 6.5mm ISO Standard
13 Straight Teeth Metric Spur Gears Plastic PMMA 6.5mm ISO Standard
Plastic spur-gears with straight teeth No.13 and a pin hole for installation and fixing , spur-gears are made from PMMA that with strong ductility and perfect impact resistant .
BasicTechnical 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 | 13 |
| Outside diameter | da | 7.5 |
| Root diameter | df | 5.25 |
| Reference circle | d | 6.5 |
| 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° |
Precision
Level 9 based on ISO standard .
Material
Spur-gears are made from plastic PMMA
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
Characteristics
Strong ductility
Its 10 times to silicon glass on ductility
Good insulation
Heat resistance
Resistant impact
The strength is about 200 times to common glass .
Resistant fire
Based on UL94V-0 level .
Environment friendly
PMMA Spur-gears are nontoxic material meet related standards .
Saving energy
Perfect light transmittance to reduce related device with electricity .
Available for different climates .
Tensile strength and light transmittance for PMMA Spur-gears are only reduce a little after 4 years .
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 .
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.