Item Description
Wear-resistance POM gears bevel gears
Description:
POM (Entire-name: CZPT formaldehyde), is a CZPT plastics of CZPT -side-chain, substantial density, substantial crystalline and linear polymer, which is praised “Plastic Metal”, and has comprehensive superb performances, these kinds of as: dress in-resistance, higher hardness, anti-impregnant, very good rigidity (Tensile modulus of elasticity), chemical security, isolation resistance and dimensional stability.
POM has extensively used in CZPT cellular industries, electronic and electrical merchandise, commodity, pipeline & fittings, exact apparatus and so on, which can be rather of the bronze, Zinc, tin and other metals.
Apart from POM-H, is often copolymerized with ethylene oxide collectively, in get to steer clear of the melting of POM content in the higher temperature. POM-H has the much better performances than POM-C in its substantial crystalline, mechanical power and rigidity.
And POM-C has the greater performances than POM-H in its minimal melting point, temperature balance, fluxion attribute and machining functionality.
Father far more, POM-H+PTFE, which is produced from the Delrin POM Resin that maxed Teflon fiber symmetrically, has the reduced co-efficient of frication, very good lubrication, put on-resistance, CZPT -creepage resistance.
Materials parameter table:
| Property | Merchandise No. | Device | POM-C | POM-H | POM-H+PTFE | |
| Mechanical Homes | one | Density | g/cm3 | one.41 | one.forty three | one.fifty |
| two | Water absorption(23ºC in air) | % | .20 | .twenty | .seventeen | |
| three | Tensile strength | MPa | sixty eight | seventy eight | fifty five | |
| 4 | Tensile pressure at crack | % | 35 | 35 | ten | |
| 5 | Compressive pressure(at 2%nominal strain) | MPa | 35 | 40 | 37 | |
| 6 | Charpy impact energy (unnotched) | KJ/m2 | ≥150 | ≥200 | ≥30 | |
| 7 | Charpy affect strength (notched) | KJ/m2 | seven | ten | three | |
| eight | Tensile modulus of elasticity | MPa | 3100 | 3600 | 3200 | |
| 9 | Ball indentation hardness | N/mm2 | one hundred forty | one hundred sixty | one hundred forty | |
| 10 | Rockwell hardness | – | M84 | M88 | M84 | |
Particular pitches and leads of the worm do not enable the worm equipment to travel the worm. This is helpful when the software demands to lock the output if the software is managing in the reverse course. When the helix angle is much less than 5°, the worm is self-locking. When the helix angle is increased than 10°, the worm can be pushed again. Worm and worm gear assemblies have to be mounted on vertical, non-intersecting shafts.
