Opis stavke
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. | Uređaj | POM-C | POM-H | POM-H+PTFE | |
| Mechanical Homes | jedan | Gustoća | g/cm3 | jedan.41 | jedan, četrdeset i tri | one.fifty |
| dva | Water absorption(23ºC in air) | % | .20 | dvadeset | sedamnaest | |
| tri | Zatezna čvrstoća | MPa | šezdeset osam | sedamdeset osam | pedeset pet | |
| 4 | Zatezni pritisak kod pukotine | % | 35 | 35 | deset | |
| 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 | sedam | deset | tri | |
| osam | Modul elastičnosti pri zatezanju | MPa | 3100 | 3600 | 3200 | |
| 9 | Tvrdoća udubljenja kuglice | N/mm2 | sto četrdeset | sto šezdeset | sto četrdeset | |
| 10 | Tvrdoća po Rockwellu | – | 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.
