Friday, August 20, 2010

Pasal Kete lg.....[Transmission / Gear Box]

Ok...lame nye xupdate blog ni...xpela..xde org nk bace pon...untuk mmuaskan nafsu diri je...hehe...

haa...hari ni cite pasal transmission for car...or kalo dlm bahase bengkel org slalu panggil gear box. Orait...kalo cite pasal gear box ni mst ade 2 type of gear yg slalu korg dgr kan...1st Manual Transmission...2nd Conventional Automatic Transmission. Sbnrnye ade lg 1 transmission system technology dlm dunia ni tp jarang2 la org pkai...sbb mahal kot technology dia 2.tp dia lg bagus dr 2 system ni. name system 2 ade Continous Variable Transmission (CVT)..
Orait before masuk deep utk each type of transmission...kite kene la tau ape sbnrnye function transmission ni. The thing is engine can rotate at very limited speed tau iaitu speed yg ade kt rpm kite 2 jela...each engine ni only can produce maximum torque n horsepower at 1 point of rpm. So...gune transmission ni adalah utk menyelaraskan speed rotation of engine with the desired speed of the tyre base on the point that produce maximum torque. Gitu la secara kasarnye...

Ok...kali ni nk cite pasal Manual Transmission dulu.len2 kali cite pasal auto punye plak k. bile kite ckp gear manual...so mstla ade clutch kan. Ok gune clutch ni adalah utk connecting or disconnecting between crank shaft (shaft dr enjin) with transmission shaft. Bygkan..bile stat enjin je...crack shaft akn xbrenti2 pusing...camne kite nk connect it with transmission ni yg static tnpa brntikan crack shaft 2. so...sini la function clutch. in easy word clutch is actually allows us to smoothly engage a spinning engine (crank shaft) to a non-spinning transmission by controlling the slippage between them.

Gear
Ratio
RPM at Transmission Output Shaft with Engine at 3,000 rpm
1st2.315:1
1,295
2nd1.568:1
1,913
3rd1.195:1
2,510
4th1.000:1
3,000
5th0.915:1
3,278


Orait...ni la basic view yg ade dlm manual gear. Kite ade 6 gear smua termasuk reverse kan. Kalo korg tgk ade 6 gear wrna biru. yg pling besau 2 gear 1...mkin kecik makin bertambah la gear dia. Yg biru hujung skali 2 gear reverse. Kalo korg tgk dia ade idler gear yg attach ke layshaft 2. Gune dia utk tuka direction of rotation. Ok green shaft lak dtg dr clutch td.kalo clutch da smbungkan crank shaft with green shaft ni then pusing la smua gear...green gear, red gear n blue gear). Tp take note k...shaft kuning (yg label to differential) ni xrotate pon kalo blue gear rotate k. It only will rotate kalo purple gear rotate. So utk rotatekn shaft ni..kene la smbung purple gear with blue gear 1st. ada pahamm~~

Ok...nmpk x tombol gear 2..haaa...sbnrnye kt tombol 2 ade 3 shaft utk selection gear propose. gear 1 n 2 pkai satu shaft n connected to first purple gear. gear 2 n 3 pkai 1 shaft n connected to 2nd purple gear. n gear 5 and reverse pkai 1 shaft n connected to 3rd purple gear. So cth nye...kalo kite nk masuk gear satu...H bar 2 kite ke kiri dulu kan...so masuk la shaft yg 1st...bile kite tolak ke atas maka 1st purple gear 2 akn atach la ke blue gear yg besau skali 2. so masuk la gear 1. cam 2 gk la utk gear 2 yg len...ni overview jela...nk cite detail lg g bengkel bukak sndri la gear box...huhu...

Ok...kalo korg tgk gear ratio lak kan.gear 1 smpai 4 biase nye reduction. makneny it reduce speed of tyre from the speed of engine. Smpai kt gear 5 da len da...sbb dia da increment ratio. Gear 5 ni kkdg org pggil dia overdrive gear. sbb bende ni la...haaa...

Orait...rasenye ckup da pnerangan aku ni utk memahamkan basic manual transmission ni...next time tulis pasal gear auto plak. Auto gear ni mmg care dia function mmg totally different concept dgn gear mnual ni. Sgt unik...bijak sungguh org yg cipta dia....huuuu....chalo~~

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