01.11.2003, 00:00
Hehe.
Mulig jeg tar feil EVO.
Men ut i fra teksten som jeg la inn i '''''''Gjør det sjæl service'''
http://www.offroad.no/snitz/topic.asp?whic...=&TOPIC_ID=4671
Så antok jeg at det var noe som het det!!
Her er et utklipp fra teksten jeg la inn!!!
>Can someone explain the difference between Hypoid and Non-Hypoid
>oil?
"Hypoid" is not really a question of oil, so much as a question of
gearcutting. Old (1920's) rear axles used straight bevel gears to form
the crownwheel and pinion. These had two disadvantage, the pinion
shaft meets the crownwheel on its central axis, and the straight cut
gears are noisy. By using a more complex "hypoid" gear tooth shape (if
you look at a pinion, the teeth appear twisted) these problems can be
addressed. The more gradual engagement of the teeth along their length
reduces noise. By careful design of the geometry the pinion can be
made to mesh _below_ the axis of the crownwheel. As the centre height
of the crownwheel is fixed by the wheel height, this allows the
propshaft to be lowered relative to the car body, giving a clearer
floorpan and lower centre of gravity for better cornering. Hypoid
bevels are now universal in this application.
Because of the sliding contact that hypoid gears make, their
hydrodynamic contact pressure is higher. To be suitable for use with
hypoid gears, a lubricant must be capable of resisting high pressures.
Mulig jeg tar feil EVO.
Men ut i fra teksten som jeg la inn i '''''''Gjør det sjæl service'''
http://www.offroad.no/snitz/topic.asp?whic...=&TOPIC_ID=4671
Så antok jeg at det var noe som het det!!
Her er et utklipp fra teksten jeg la inn!!!
>Can someone explain the difference between Hypoid and Non-Hypoid
>oil?
"Hypoid" is not really a question of oil, so much as a question of
gearcutting. Old (1920's) rear axles used straight bevel gears to form
the crownwheel and pinion. These had two disadvantage, the pinion
shaft meets the crownwheel on its central axis, and the straight cut
gears are noisy. By using a more complex "hypoid" gear tooth shape (if
you look at a pinion, the teeth appear twisted) these problems can be
addressed. The more gradual engagement of the teeth along their length
reduces noise. By careful design of the geometry the pinion can be
made to mesh _below_ the axis of the crownwheel. As the centre height
of the crownwheel is fixed by the wheel height, this allows the
propshaft to be lowered relative to the car body, giving a clearer
floorpan and lower centre of gravity for better cornering. Hypoid
bevels are now universal in this application.
Because of the sliding contact that hypoid gears make, their
hydrodynamic contact pressure is higher. To be suitable for use with
hypoid gears, a lubricant must be capable of resisting high pressures.