Yuav ua li cas yog lub sij hawm? deciphering lub sij hawm

Lub suab ntawm lub sij hawm seev suab nco ntsoov muaj ntau yam ntawm koj paub. Yog, nws yog roj faib mechanism. Tab sis hais tias yog dab tsi nws puas zoo li cas, tab sis yog dab tsi cov khoom yuav tsum tau muaj, tsis yog txhua tus yuav qhia rau. Nws yuav tsum tau muab sau tseg hais tias qhov no mechanism yog qhov ntau tsis yooj yim, qhov ntau lub valve yog ntsia tau rau hauv lub cev muaj zog. Piv txwv li, feem ntau cov nyiaj txiag tsheb yog nruab nrog ib tug 8-valve engine. Lawv yog cov yooj yim mus siv, tsawg zog, thiab kho yog haum yooj yim. Tshwj xeeb yog cov kev hloov ntawm lub sij hawm siv, txij thaum lub system nws tsuas muaj tib camshaft. Tsawg tias - ntau dua qhov muaj tseeb uas yog installation.

Camshaft sij mechanism nyob rau hauv

Yog li ntawd, yuav tsum pib los ntawm tus tswv ntawm. Ntawm cov hoob kawm, cov neeg kawm ntawv uas tseem ceeb ntawm lawv sib cais lawm purely arbitrary, txij li thaum txawm lub me tshaj ntsia liaj qhov rooj los yog tseem ceeb ua si ib tug tseem ceeb luag hauj lwm. Tseem, camshaft - lub hauv paus, tsis muaj ib tug roj faib mechanism ntawm lub engine yuav tsis ua hauj lwm. Nrog kev pab los ntawm valve xaav ua, lawv kom sai qhib thiab kaw rau cia roj sib tov nyob rau hauv lub combustion chamber, los yog tso nws los ntawm qhov tso roj cua.

Lub luag hauj lwm ntawm lub qub

Koj hais li qub, tab sis yog tsis muaj lawv, lub kaw lus yuav kuj tsis tau ua. Lawv ntsia tau rau hauv lub taub hau ntawm lub tog raj kheej block. Tus kheej kheej taub hau muaj ib tug pastel nyob rau hauv uas abut lub piston phaj. Nws yog tsim nyog kom haum lub dav hlau yog li airtight li sai tau. siab cav fais fab yuav tsuas yuav tiav nyob rau hauv cov ntaub ntawv no. Deciphering lub sij hawm yuav qhia tau tias lub camshaft muaj yuav tsum tau uas tau tsav. Rau lub hom phiaj no yog ib tug siv mechanism uas lub ntsiab lub camshaft sprocket. Ib tug siv tensioner rau kho siv ib tug tshwj xeeb rau cov menyuam.

Yuav ua li cas yog lub luag hauj lwm nyob rau hauv lub sij hawm poob li qub

Tam sim no nws yog tsim nyog los tham txog qhov muaj nuj nqi ntawm lub qub. Nyob rau hauv thiaj li yuav txaus siab rau lawv ua hauj lwm, peb yuav tsum tau saib yuav ua li cas lub cav yuav khiav lag luam, yog hais tias lawv yuav tsis tau. Ib qho piv txwv yog ib tug ob-mob stroke xyaw, uas yog tseem siv nyob rau hauv brushcutters, chainsaws, ib co mopeds thiab motorcycles. Firstly, cov theem ntawm cov suab nrov nyob rau hauv lub cev muaj zog yog considerably ntau dua. Qhov no yog vim lub fact tias lub combustion chamber yog tsis sib cais los ntawm lub tso system. Secondly, lub cav fais fab yog ho qis, txij thaum lub ceev ceev ntawm lub combustion chamber yog tsawg dua.

Koj yuav tau nco ntsoov tias qhov tseeb lag luam ntawm lub camshaft plaub-lub tog raj kheej engine - ib tug guarantee ntawm tus muaj hwj huam thiab torque. Thiab kom lawv muaj ib tug ob-mob stroke plaub-lub tog raj kheej engine yog ntau npaum li cas yooj yim thiab tej zaum kuj txawm tsis yooj yim sua. Yog, thiab seb nws yuav ua rau kev txiav txim zoo, Yog hais tias koj nyem tawm ntau qhov kev ua tsis yooj yim sua? Tsis tas li ntawd nco ntsoov hais tias ob tug mob stroke xyaw kom roj additive ua rau cov roj. Koj nyob nraum hauv lub chaw muag roj tsheb nyob rau hauv ib tug tank lossi ntsuas thiab sab saum toj mus rau hauv lub cav roj? Tej zaum tsis tau.

Yuav ua li cas tshwm sim yog hais tias muaj yog ib tug xaav ntawm cov ntawv?

Tam sim no tig mus rau ntawm lub tswv yim, vim hais tias cov kev xav tau los ua kom paub ib tug tham cov txheej txheem uas yuav siv sij hawm qhov chaw nyob rau ib tug xaav qhab nia. Yog hais tias lub sij hawm tsav yog ntsia thiab configured kom raug, noj mus rau hauv tus account tag nrho cov qhab nia, lub cav yuav ua hauj lwm zoo kawg nkaus. Tab sis dab tsi yuav tshwm sim yog tias mam li nco dheev txoj siv tawv yuav npleem rau ib tug ob peb hniav? Yog, nws tshwm sim feem ntau heev, txawm lub sij hawm siv muaj peev xwm yuav npleem rau lub pulley yog hais tias nws yog weakly tensioned.

Thiab yuav lub nram qab no: lub zog ntawm tus pistons nyob rau hauv lub thooj voos kheej kheej thiab li qub yuav tshwm sim asynchronously. Deciphering lub sij hawm yuav qhia tau tias lub inlet thiab qhov hluav taws xob yuav tsum tshwm sim nyob rau hauv ib tug raws sijhawm, nyob ntawm seb txoj hauj lwm nyob rau hauv uas lub pistons yog. Li ntawd, cov tsawg stroke yuav pib ua ntej los yog tom qab ntawd, yog zoo li qhov teeb meem. Cov huab cua-roj sib tov yuav poob tawm ntawm lub sij hawm, nws tiv cav tseb yuav tshwm sim nyob rau zoo tshaj plaws nruab nrab txoj hauj lwm ntawm lub piston nyob rau hauv lub tog raj kheej. Nyob rau hauv lwm yam lus, nyob rau hauv lub cev muaj zog pib mus chaos. Thiab tag nrho cov no yog vim lub fact tias ib txhia siv raug hla lawm ib tug ob peb hniav.

Yuav ua li cas yuav ua txhaum lub sij hawm siv?

Tab sis yog hais tias muaj yog ib tug tawg sij hawm siv, tsis yog txhua tus cav muaj peev xwm kom ciaj sia xws qho kev tshwm sim. Nyob rau hauv feem ntau qhov chaw hauv lub tshuab no phenomenon yog nrog los ntawm qhov tseeb hais tias muaj yog distortion ntawm li qub uas yog cia khiav ntawm lub pistons, raws li yog hais rau ib hnub. Tej zaum li ib tug romantic encounter xaus nrog lub valve piston lov los ntawm. Tus ntaus ntawv lub sij hawm poob implies hais tias tsis muaj loj kho tsis txaus. Zoo, yog hais tias tsis puas engine block.

Lub saddest xaus - yog lub tsos ntawm tej kab nrib pleb ntawm lub block. Nws yuav ua tau ib tug yooj yim me ntsis yog hais tias tus keej mus txog rau lub tog raj kheej taub hau. Tu siab, Yog hais tias lub tsheb yog npaj rau cov muag khoom, ib txhia tswv Argon brew thiab zom cov kev raug mob. Tab sis qhov no yog tsis yog qhov kev tawm, nws yog zoo dua los hloov lub tog raj kheej lub taub hau, txawm ob-tes, tab sis tsis deformed los yog puas ntsoog. Thiab tsis txhob hnov qab hais tias ib tug hloov gasket yog tseem nqa tawm yam tsis tau poob. Feem ntau, qhov no caij ib txwm muab tso tshiab, txhua lub sij hawm lub tog raj kheej taub hau.

Yuav ua li cas rau nruab ib lub tag rau lub 8-valve cav?

Cia peb xav hais tias tag nrho cov kev npaj ua hauj lwm tiav lawm. Generator siv yog muab tshem tawm thiab ntsuam xyuas rau kev puas tsuaj, rau sab xis yog tsa thiab rhuav cov log ntsia liaj qhov rooj loosened lub crankshaft pulley. Nyob rau hauv lwm yam lus, nkag tau mus rau lub sij hawm siv yog siab qhib. Tam sim no lub ntsiab tshaj plaws - ua kom tag nrho cov kev ua kom raug.

Ua ntej ntawm tag nrho cov, tshem tawm cov clip nrog tus yuam sij 17, yog li ntawd tsis txhob poob rau lub Puck, uas yog nyob rau hauv qab. Nrog nws nyob txoj hauj lwm hloov txheeb ze rau txoj siv tawv. Tam sim no koj muaj peev xwm tshem tawm cov qub siv, muab tso rau ib tug tshiab clip. Ces cias nruab ib lub tshiab siv, Yog hais tias koj twb tsis cuam tshuam los ntawm lub Pulleys.

Tab sis, yog hais tias koj ua txhua yam li nyob rau hauv "phau ntawv", ces koj yuav tau recheck seb tus tib cim, tab sis nws yuav tsum paub nyob rau hauv general roj faib mechanism WHA. Peb yuav tsum tau ua los ntawm ob tug qhab nia - nyob rau camshaft thiab lub flywheel. Cov thawj txheej txheem lub phaj, uas yog nyob rau hauv lub tog raj kheej taub hau los ntawm cov windscreen. Ob, koj yuav saib tau tom qab ejecting cov roj hmab hau ntawm lub clutch vaj tse nyob. Nyob rau saum npoo ntawm lub flywheel yog ib daim ntawv lo, nws yog tsim nyog kom meej meej teev nyob rau hauv nruab nrab ntawm lub txoj kab txiav phaj, uas yog txuas mus rau lub engine block. Scroll crankshaft yog tau siv lub qhov tseem ceeb rau lub 19. Lawv ntswj lub ntsia liaj qhov rooj rau lub crankshaft pulley.

Cov neeg ua hauj lwm yog tham: Configuration 16-valve engine

Nrov nrov heev lo lus, ntawm chav kawm, tab sis tseem ib co neeg tsav tsheb clutching nws lub taub hau thaum nws los txog rau lub 16-valve engine. Nrhiav pov thawj no coj tus cwj pwm los ntawm lub fact tias ib tug ntau ntawm cov yob thiab cov ntawv, uas yog heev yooj yim rau configure. Judging los ntawm tus cwj pwm ntawm cov neeg, thiab lawv muaj nyob rau hauv ib koog ntoo thuv ntoo ntawm lub peb yuav tau txais poob rau ib ntev lub sij hawm mus nrhiav kuv txoj kev mus rau lub tsev. Tsis muaj dab tsi yog tsis yooj yim sua, tshwj xeeb tshaj yog yog hais tias peb yuav tau tham txog lub tsheb. Koj paub, lub suab seev suab sij hawm poob, xam nws cov yam ntxwv tseem ceeb thiab cov ntsiab. Muaj yog tsis muaj dab tsi daunting.

Qhov tshaj plaws xwb uas yog yuav tsum tau rau installation ntawm lub sij hawm siv nyob rau hauv ib tug 16-valve cav - yog yuav txhim kho tau tus kwv tij txoj hauj lwm ntawm lub camshaft. Rau lub hom phiaj no, koj yuav tsum xub nruab txhua yam ntawm lawv cov ntawv, thiab ces, ua tsis tau hauj lwm ceev ib millimeter, kom txhim kho tau lub phaj nruab nrab ntawm lawv. Nws yuav pab tau tshem ntawm cov random kev sib hloov shafts. Nyob rau lwm cov tes, scroll camshaft yog heev yooj yim - ib tug ntau ntawm cov yuav tsum siv zog los mus kov yeej tus kuj springs. Yog li ntawd, qhov no kev ntsuas yog ib tug pom zoo. Qhov uas nws yog ib qho tseem ceeb xauv lub crankshaft. Tus ntawd yog nws, tam sim no nws yog tsim nyog los hloov ob lub menyuam thiab nruab ib tug tshiab txoj siv. Tom qab lub rooj sib txoos site tsheb yog npaj txhij rau lub lag luam.