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Powertrains > Mid term > Flashcards

Mid term Flashcards

1
Q

stright spur gears

A

cheap, noisy, balanced, weak

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2
Q

Helical Spur

A

More expensive, Stronger, Less Noisy, unballanced, generate side loads

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3
Q

Hering Bone

A

Rare, Strong, Less Noisy, Tractor Trade, Ballanced

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4
Q

Bevel Pinions

A

Allow the speeding slowing of each axel to speed up or slow down independtly

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5
Q

Plain Bevel

A

Stright Teeth

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6
Q

Spiral Bevel

A

Most common, similar advantages as the hylical gear

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7
Q

Hypoid Bevel

A

allows engine and transmission to be lower than the axel

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8
Q

Cone Clutch

A

Two tapered matching, tighter the grip the further they are pushed together

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9
Q

Expanding shoe clutch

A

Tranmits power when its two ends are pushed out apart from eachother as far as possible

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10
Q

Over Center

A

This style of clutch hold itself in both engaged and disenagaged positions so the operator does not need to hold in on the clutch pedal for either prosition

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11
Q

Centricuigual Clutch

A

This clutch is designed to grab and transmit power when the engine speeds is increased and then disengaged when teh engine speed is decreased

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12
Q

Band Clutch

A

connecting the inner rotating member to an outer one by claming the outer one onto the inner one with the linkage.

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13
Q

Magnetic Clutch

A

activated by the operator from a switch sending current to a large coil of wire

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14
Q

Slip Clutch

A

This clutch will allow the drive side to continue to rotate after an excessive load is placed on the driven side

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15
Q

Over Running Clutch

A

Prevents the driven side from comming to a rapid stop when the input side is stoped.

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16
Q

Live PTO

A

The Clutch involves only one throw out bearing but has two seperate clutch discs

17
Q

Independent PTO

A

Involves two though out bearings one for each set of clutch discs

18
Q

Torque Converter input

A

Impeller

19
Q

Turbine

A

drives the tranmission

20
Q

Stator

A

Redirects oil flow back into the pump

21
Q

Vortex Flow

A

Oil flow is turbulent and powerful, occurs during a torque converter stall

22
Q

Rotary

A

Oil flow when the input and output speed match

23
Q

Most stators

A

are allowed to free wheel during rotary flow

24
Q

Lock-Up Converter

A

Mechanically connects input and output at cruise speeds

25
Q

Torque Converter stall

A

When the engine is at WOT and the torque converter is stopped

26
Q

Diff Lock

A

usually locks one axel shaft to the differential housing.

27
Q

Hydraulic Diff Lock

A

discs are splined to a bevel gear to the axel drive. plates get tanged to differential housing

28
Q

Auto Locker

A

over running camaction that. Allows the outer wheel to break free from the rest of the machine. Prevents slower wheel from breaking free, thus allowing positive traction.

29
Q

Limited Slip

A

Basic differential housing except the bevel gears are allowed to flow on the shaft just a few millimeters.

30
Q

Pourpose of Cone point adjustment

A

to corrrectly set the relation of ring gear and the pinion gear with a precise shim pack.

31
Q

Pourpose of Final drives

A

To reduce the torque load on the tranmission. Also creates a higher torque to the ground and allows the tranmission to be smaller.

32
Q

Axels

A

Most cases the axels are semi float axels meaning that the axel shaft is supported by bearings that are pressed on the axel housing

33
Q

Full Floating axels

A

Bearing located between the axel housing and wheel hub. Axel shaft only has to be hold the torque.

34
Q

Pinion Style Gear Reduction

A

gear is driven off the differential bevel side gear that is splined to the axel shaft.

35
Q

Planetary drive

A

load is spread over 3x as many gears as pinion, ballanced no side loads, uses same lube as differential, usually attached to a rack and pinion style axel shaft.

36
Q

Outboard Planetaries

A

Planetary is located inside the wheel hub, has a seperate oil supply from the diffrential oil.

37
Q
A

Powertrains (1 decks)

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