Piston marking
Txheem
Piston marking tso cai rau koj los txiav txim tsis tsuas yog lawv qhov ntev geometric, tab sis kuj yog cov khoom siv, kev siv tshuab, kev tso cai mounting clearance, cov chaw tsim khoom lag luam, kev taw qhia kev teeb tsa, thiab ntau ntxiv. Vim qhov tseeb tias ob qho tib si hauv tsev thiab txawv teb chaws pistons yog muag, cov tswv tsheb qee zaum ntsib teeb meem ntawm kev txiav txim siab qee qhov kev xaiv. Cov ntaub ntawv no muaj cov ntaub ntawv ntau tshaj plaws uas tso cai rau koj kom tau txais cov ntaub ntawv hais txog cov cim ntawm lub piston thiab xyuas seb cov lej, cov ntawv thiab cov xub txhais li cas.
1 - Kev lag luam cim npe raws li lub piston tso tawm. 2 - Serial tooj ntawm cov khoom. 3 - Txoj kab uas hla yog nce los ntawm 0,5 mm, uas yog, nyob rau hauv cov ntaub ntawv no nws yog ib tug kho piston. 4 - Tus nqi ntawm sab nraud txoj kab uas hla ntawm lub piston, hauv mm. 5 - Tus nqi ntawm qhov sib txawv thermal. Hauv qhov no, nws yog sib npaug li 0,05 hli. 6 - Ib qho xub qhia txog kev taw qhia ntawm kev teeb tsa ntawm lub piston hauv kev taw qhia ntawm lub tsheb txav. 7 - Chaw tsim tshuaj paus cov ntaub ntawv kev (yuav tsum tau thaum ua cov combustion engine).
Cov ntaub ntawv ntawm lub piston nto
Kev sib tham txog dab tsi cov cim ntawm pistons txhais tau tias yuav tsum pib nrog cov ntaub ntawv dab tsi uas cov chaw tsim khoom muab tso rau ntawm cov khoom feem ntau.
- Piston loj. Qee zaum, hauv cov cim hauv qab ntawm lub piston, koj tuaj yeem pom cov lej qhia nws qhov loj me, qhia hauv pua pua ntawm ib millimeter. Ib qho piv txwv yog 83.93. Cov ntaub ntawv no txhais tau hais tias txoj kab uas hla tsis tshaj tus nqi teev tseg, suav nrog kev kam rau siab (paub pab pawg yuav tau tham hauv qab no, lawv txawv rau ntau hom tsheb). Qhov ntsuas kub yog ntsuas ntawm +20 ° C.
- Mounting qhov sib txawv. Nws lwm lub npe yog qhov kub thiab txias (vim nws tuaj yeem hloov pauv nrog rau kev hloov pauv ntawm qhov ntsuas kub hauv lub tshuab hluav taws xob sab hauv). Muaj lub npe - Sp. Nws muab nyob rau hauv cov zauv feem, lub ntsiab lus millimeters. Piv txwv li, lub npe ntawm lub cim rau ntawm lub piston SP0.03 qhia tias qhov clearance nyob rau hauv cov ntaub ntawv no yuav tsum yog 0,03 hli, coj mus rau hauv tus account lub kam rau ua teb.
- Lub Khw. Los yog ib lub cim. Cov neeg tsim khoom tsis tsuas yog txheeb xyuas lawv tus kheej li no, tab sis kuj muab cov ntaub ntawv rau tus tswv txog nws cov ntaub ntawv (cov khoom lag luam catalogs) yuav tsum tau siv thaum xaiv lub piston tshiab.
- Kev taw qhia kev teeb tsa. Cov ntaub ntawv no teb cov lus nug - dab tsi yog tus xub ntawm lub piston taw tes rau? Nws "hais" yuav ua li cas lub piston yuav tsum tau mounted, uas yog, lub xub yog kos nyob rau hauv cov kev taw qhia ntawm lub tsheb mus rau pem hauv ntej. Nyob rau hauv cov cav tov nyob rau hauv lub internal combustion engine nyob rau hauv lub rear, es tsis txhob ntawm ib tug xub, ib tug cim crankshaft nrog ib tug flywheel yog feem ntau depicted.
- Casting tooj. Cov no yog cov lej thiab cov tsiaj ntawv uas schematically qhia qhov geometric qhov ntev ntawm lub piston. Feem ntau, cov kev xaiv no tuaj yeem pom nyob rau hauv cov tshuab European uas cov piston pawg tau tsim los ntawm cov tuam txhab xws li MAHLE, Kolbenschmidt, AE, Nural thiab lwm yam. Nyob rau hauv kev ncaj ncees, nws yuav tsum tau muab sau tseg hais tias lub casting yog tam sim no siv tsawg thiab tsawg. Txawm li cas los xij, yog tias koj xav tau txheeb xyuas lub piston los ntawm cov ntaub ntawv no, koj yuav tsum tau siv cov ntawv lossis cov khoom siv hluav taws xob ntawm ib lub chaw tsim khoom tshwj xeeb.
Ntxiv nrog rau cov npe no, kuj tseem muaj lwm tus, thiab lawv yuav txawv ntawm cov chaw tsim khoom rau cov chaw tsim khoom.
Lub cim piston nyob qhov twg?
Ntau tus neeg tsav tsheb txaus siab rau cov lus teb rau cov lus nug ntawm qhov twg cov cim piston nyob. Nws nyob ntawm ob qhov xwm txheej - cov qauv ntawm cov chaw tsim khoom tshwj xeeb thiab qhov no lossis cov ntaub ntawv hais txog lub piston. Yog li, cov ntaub ntawv tseem ceeb yog luam tawm ntawm nws qhov qis ("pem hauv ntej" sab), ntawm lub hub nyob rau hauv cheeb tsam ntawm lub qhov rau lub piston tus pin, ntawm qhov hnyav tus thawj coj.
VAZ piston marking
Raws li kev txheeb cais, kev kos npe ntawm kev kho pistons feem ntau nyiam cov tswv lossis cov tswv hauv kev kho lub tshuab hluav taws xob sab hauv ntawm VAZ tsheb. ntxiv peb yuav muab cov ntaub ntawv ntawm ntau yam pistons.
VAZ 2110
Piv txwv li, cia peb coj lub combustion engine ntawm lub tsheb VAZ-2110. Feem ntau, pistons cim 1004015 yog siv rau hauv cov qauv no, cov khoom yog tsim los ntawm AvtoVAZ OJSC. Cov ntaub ntawv qhia luv luv:
- nominal piston txoj kab uas hla - 82,0 hli;
- piston txoj kab uas hla tom qab kev kho thawj zaug - 82,4 hli;
- piston txoj kab uas hla tom qab kho thib ob - 82,8 hli;
- piston qhov siab - 65,9;
- compression qhov siab - 37,9 mm;
- qhov pom zoo tshem tawm hauv lub tog raj kheej yog 0,025 ... 0,045 hli.
nws yog nyob rau ntawm lub cev piston uas cov ntaub ntawv ntxiv tuaj yeem siv tau. Piv txwv li:
- "21" thiab "10" nyob rau hauv cheeb tsam ntawm lub qhov rau cov ntiv tes - lub npe ntawm cov khoom qauv (lwm txoj kev - "213" qhia lub internal combustion engine VAZ 21213, thiab piv txwv li, "23" - VAZ 2123);
- "VAZ" ntawm daim tiab nyob rau sab hauv - cov chaw tsim khoom tsim;
- Cov tsiaj ntawv thiab cov lej ntawm daim tiab nyob rau sab hauv - ib qho tshwj xeeb ntawm cov khoom siv hauv tsev (nws tuaj yeem txiav txim siab siv cov ntaub ntawv tsim khoom, tab sis feem ntau cov ntaub ntawv no tsis muaj txiaj ntsig);
- "AL34" ntawm daim tiab rau sab hauv - lub npe ntawm cov hlau casting.
Lub ntsiab cim cim siv rau lub piston crown:
- Lub xub yog ib qho kev taw qhia uas qhia txog kev taw qhia ntawm lub camshaft tsav. Nyob rau hauv lub npe hu ua "classic" VAZ qauv, qee zaum es tsis txhob ntawm xub, koj tuaj yeem pom tsab ntawv "P", uas txhais tau tias "ua ntej". Ib yam li ntawd, lub ntug qhov twg daim ntawv qhia yuav tsum tau coj mus rau hauv kev coj ntawm lub tsheb.
- Ib qho ntawm cov cim hauv qab no yog A, B, C, D, E. Cov no yog cov cim kab hauv kab uas qhia qhov sib txawv hauv OD tus nqi. Hauv qab no yog lub rooj nrog cov nqi tshwj xeeb.
- Piston pawg pawg cim. "G" - qhov hnyav li qub, "+" - qhov hnyav nce los ntawm 5 grams, "-" - qhov hnyav txo los ntawm 5 grams.
- Ib tug ntawm cov zauv yog 1, 2, 3. Qhov no yog lub piston pin bore class marker, uas txhais lub deviation nyob rau hauv lub cheeb ntawm lub piston pin qhov. Ntxiv rau qhov no, muaj kev xaiv xim ntawm qhov ntsuas no. Yog li, cov xim yog siv rau sab hauv ntawm lub hauv qab. Xim xiav - chav kawm 1, xim ntsuab - chav kawm 2, xim liab - chav kawm 3. cov ntaub ntawv ntxiv yog muab hauv qab no.
Kuj tseem muaj ob lub npe cais rau VAZ kho pistons:
- daim duab peb sab - kev kho thawj zaug (txoj kab uas hla yog nce los ntawm 0,4 mm los ntawm nominal loj);
- square - thib ob kho (inch nce 0,8 mm los ntawm nominal loj).
Thov nco ntsoov tias rau ntau hom tsheb (suav nrog rau ICEs sib txawv), tus nqi ntawm qhov sib txawv ntawm kev kho pistons yuav tsum tau saib hauv cov ntaub ntawv siv.
VAZ 21083
Lwm nrov "VAZ" piston yog 21083-1004015. Nws tseem yog tsim los ntawm AvtoVAZ. Nws technical dimensions thiab parameters:
- nominal txoj kab uas hla - 82 mm;
- txoj kab uas hla tom qab kev kho thawj zaug - 82,4 mm;
- txoj kab uas hla tom qab kho thib ob - 82,8 hli;
- piston pin txoj kab uas hla - 22 mm.
Nws muaj tib lub npe raws li VAZ 2110-1004015. Cia peb nyob me ntsis ntxiv rau ntawm chav kawm ntawm lub piston raws li lub cheeb sab nraud thiab chav kawm ntawm lub qhov rau tus pin piston. Cov ntaub ntawv cuam tshuam tau muab sau tseg hauv cov lus.
Sab nraud txoj kab uas hla:
| Piston chav kawm los ntawm sab nraud txoj kab uas hla | A | B | C | D | E |
|---|---|---|---|---|---|
| Piston txoj kab uas hla 82,0 (mm) | 81,965-81,975 | 81,975-81,985 | 81,985-81,995 | 81,995-82,005 | 82,005-82,015 |
| Piston txoj kab uas hla 82,4 (mm) | 82,365-82,375 | 82,375-82,385 | 82,385-82,395 | 82,395-82,405 | 82,405-82,415 |
| Piston txoj kab uas hla 82,8 (mm) | 82,765-82,775 | 82,775-82,785 | 82,785-82,795 | 82,795-82,805 | 82,805-82,815 |
Interestingly, piston qauv VAZ 11194 thiab VAZ 21126 tsuas yog tsim nyob rau hauv peb chav kawm - A, B thiab C. Nyob rau hauv cov ntaub ntawv no, cov kauj ruam loj sib raug rau 0,01 hli.
Cov lus sib tham ntawm piston qauv thiab ICE qauv (hom) ntawm VAZ tsheb.
| Model ICE VAZ | piston qauv | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2101 | 21011 | 2105 | 21213 | 2123 | 2108 | 21083 | 2110 | 2112 | 21124 | 21126 | 21128 | 11194 | |
| 2101 | |||||||||||||
| 21011 | |||||||||||||
| 2103 | |||||||||||||
| 2104 | |||||||||||||
| 2105 | |||||||||||||
| 2106 | |||||||||||||
| 21073 | |||||||||||||
| 2121 | |||||||||||||
| 21213 | |||||||||||||
| 21214 | |||||||||||||
| 2123 | |||||||||||||
| 2130 | |||||||||||||
| 2108 | |||||||||||||
| 21081 | |||||||||||||
| 21083 | |||||||||||||
| 2110 | |||||||||||||
| 2111 | |||||||||||||
| 21114 | |||||||||||||
| 11183 | |||||||||||||
| 2112 | |||||||||||||
| 21124 | |||||||||||||
| 21126 | |||||||||||||
| 21128 | |||||||||||||
| 11194 | |||||||||||||
Piston pin qhov:
| Piston pin bore class | 1 | 2 | 3 |
|---|---|---|---|
| Piston pin qhov taub (mm) | 21,982-21,986 | 21,986-21,990 | 21,990-21,994 |
ZMZ piston marking
Lwm pawg ntawm cov tswv tsheb txaus siab rau kev kos npe pistons muaj ZMZ hom motors ntawm lawv pov tseg. Lawv tau nruab rau GAZ tsheb - Volga, Gazelle, Sobol thiab lwm yam. Xav txog cov npe uas muaj nyob rau ntawm lawv rooj plaub.
Lub npe "406" txhais tau hais tias lub piston yog npaj rau kev teeb tsa hauv ZMZ-406 sab hauv combustion engine. Muaj ob lub npe kos npe rau hauv qab ntawm lub piston. Raws li tsab ntawv thov nrog cov xim, ntawm lub block tshiab, lub piston mus txog lub tog raj kheej. Thaum kho nrog lub tog raj kheej tho txawv, qhov yuav tsum tau tshem tawm yog ua nyob rau hauv tus txheej txheem ntawm tho txawv thiab honing rau ua ntej yuav pistons nrog rau qhov xav tau loj.
Tus lej Roman ntawm lub piston qhia qhov xav tau piston tus pin pab pawg. Lub diameters ntawm lub qhov nyob rau hauv lub piston bosses, lub connector taub hau, raws li zoo raws li lub sab diameters ntawm lub piston tus pin muab faib ua plaub pawg cim nrog xim: kuv - dawb, II - ntsuab, III - daj, IV - liab. Ntawm cov ntiv tes, pawg naj npawb kuj tau qhia los ntawm cov xim pleev xim rau ntawm sab hauv lossis ntawm qhov kawg. Nws yuav tsum phim cov pab pawg uas tau teev tseg rau ntawm lub piston.
nws yog nyob rau ntawm tus pas nrig txuas uas cov pab pawg neeg yuav tsum zoo sib xws nrog cov xim. Nyob rau hauv cov ntaub ntawv no, tus xov tooj hais yuav tsum coincide nrog los yog nyob ib sab ntawm tus naj npawb ntawm cov ntiv tes. Qhov kev xaiv no ua kom ntseeg tau tias tus pin lubricated txav nrog kev siv zog me ntsis hauv lub taub hau txuas txuas, tab sis tsis poob ntawm nws. Tsis zoo li VAZ pistons, qhov twg cov kev taw qhia yog qhia los ntawm ib tug xub, nyob rau hauv ZMZ pistons cov chaw tsim tshuaj paus ncaj qha sau lo lus "FRONT" los yog tsuas yog muab tsab ntawv "P". Thaum sib sau ua ke, lub protrusion nyob rau hauv qis lub taub hau ntawm tus pas txuas txuas yuav tsum phim cov ntawv sau no (nyob rau tib sab).
Muaj tsib pawg, nrog cov kauj ruam ntawm 0,012 hli, uas tau qhia los ntawm cov ntawv A, B, C, D, D. Cov pab pawg loj no raug xaiv raws li cov kab uas hla ntawm daim tiab. Lawv phim:
- A - 91,988 ... 92,000 hli;
- B - 92,000 ... 92,012 hli;
- B - 92,012...92,024 hli;
- G - 92,024...92,036 hli;
- D - 92,036 ... 92,048 hli.
Tus nqi ntawm pawg piston yog stamped rau hauv qab. Yog li, muaj plaub pawg loj uas tau cim nrog cov xim ntawm cov piston bosses:
- 1 - dawb (22,0000 ... 21,9975 mm);
- 2 - ntsuab (21,9975 ... 21,9950 mm);
- 3 - daj (21,9950 ... 21,9925 mm);
- 4 - liab (21,9925 ... 21,9900 mm).
Cov qhab nias ntawm cov ntiv tes kuj tseem tuaj yeem siv rau lub piston crown hauv Roman cov lej, nrog txhua tus lej muaj xim sib txawv (I - dawb, II - ntsuab, III - daj, IV - liab). Cov pawg loj ntawm cov piston xaiv thiab piston pins yuav tsum sib phim.
ZMZ-405 ICE tau nruab rau ntawm GAZ-3302 Gazelle Kev Lag Luam thiab GAZ-2752 Sobol. Kev suav tshem tawm ntawm lub piston tiab thiab lub tog raj kheej (rau qhov tshiab) yuav tsum yog 0,024 ... 0,048 mm. Nws yog txhais raws li qhov sib txawv ntawm qhov tsawg kawg nkaus lub tog raj kheej txoj kab uas hla thiab lub siab tshaj plaws piston tiab txoj kab uas hla. Muaj tsib pawg, nrog cov kauj ruam ntawm 0,012 hli, uas tau qhia los ntawm cov ntawv A, B, C, D, D. Cov pab pawg loj no raug xaiv raws li cov kab uas hla ntawm daim tiab. Lawv phim:
- A - 95,488 ... 95,500 hli;
- B - 95,500 ... 95,512 hli;
- B - 95,512...95,524 hli;
- G - 95,524...95,536 hli;
- D - 95,536 ... 95,548 hli.
Tus nqi ntawm pawg piston yog stamped rau hauv qab. Yog li, muaj plaub pawg loj uas tau cim nrog cov xim ntawm cov piston bosses:
- 1 - dawb (22,0000 ... 21,9975 mm);
- 2 - ntsuab (21,9975 ... 21,9950 mm);
- 3 - daj (21,9950 ... 21,9925 mm);
- 4 - liab (21,9925 ... 21,9900 mm).
Yog li, yog hais tias lub GAZ sab hauv combustion engine piston muaj, piv txwv li, tsab ntawv B, ces qhov no txhais tau hais tias lub internal combustion engine twb overhauled ob zaug.
Nyob rau hauv ZMZ 409, yuav luag tag nrho cov qhov ntev yog tib yam li hauv ZMZ 405, nrog rau kev zam ntawm ib qho chaw so (puddle), nws yog qhov tob tshaj li ntawm 405. Qhov no yog ua kom them nyiaj rau qhov sib piv compression, qhov loj h nce ntawm pistons 409. Tsis tas li ntawd. , qhov siab compression ntawm 409 yog 34 hli, thiab rau 405 - 38 hli.
Peb muab cov ntaub ntawv zoo sib xws rau lub tshuab hluav taws xob sab hauv combustion hom ZMZ 402.
- A - 91,988 ... 92,000 hli;
- B - 92,000 ... 92,012 hli;
- B - 92,012...92,024 hli;
- G - 92,024...92,036 hli;
- D - 92,036 ... 92,048 hli.
Cov pawg loj:
"Kev xaiv xaiv" tsab ntawv ntawm pistons
- 1 - dawb; 25,0000… 24,9975 mm;
- 2 - ntsuab; 24,9975…24,9950 mm;
- 3 - daj; 24,9950… 24,9925 mm;
- 4 - liab; 24,9925–24,9900 hli.
Thov nco ntsoov tias txij thaum Lub Kaum Hli 2005 ntawm pistons 53, 523, 524 (ntsia, thiab lwm yam, ntawm ntau cov qauv ntawm ICE ZMZ), lub thwj cim "Kev xaiv xaiv" yog ntsia rau hauv qab. Xws li pistons yog tsim los siv cov cuab yeej siv siab dua, uas tau piav qhia nyob rau hauv cov ntaub ntawv kev qhia rau lawv.
| Piston hom ZMZ | Siv lub npe | Lub cim nyob qhov twg | Txoj kev sau ntawv |
|---|---|---|---|
| 53-1004015-22; "523.1004015"; "524.1004015"; "410.1004014". | Trademark ZMZ | Nyob rau hauv lub hub ze ntawm lub piston tus pin qhov | Casting |
| Piston qauv tsim | Nyob rau hauv lub hub ze ntawm lub piston tus pin qhov | Casting | |
| "Ua ntej" | Nyob rau hauv lub hub ze ntawm lub piston tus pin qhov | Casting | |
| Piston txoj kab uas hla A, B, C, D, D. | Nyob rau hauv qab ntawm lub piston | Etching | |
| BTC stamp | Nyob rau hauv qab ntawm lub piston | Xim | |
| Finger diam marking (dawb, ntsuab, daj) | Nyob ntawm lub luj tshib | Xim |
Cov ntaub ntawv zoo sib xws rau piston 406.1004015:
| Piston hom ZMZ | Siv lub npe | Lub cim nyob qhov twg | Txoj kev sau ntawv |
|---|---|---|---|
| 4061004015; "405.1004015"; "4061.1004015"; "409.1004015". | Trademark ZMZ | Nyob rau hauv lub hub ze ntawm lub piston tus pin qhov | Casting |
| "Ua ntej" | |||
| Qauv "406, 405, 4061,409" (406-AP; 406-BR) | |||
| Piston txoj kab uas hla A, B, C, D, D | Nyob rau hauv qab ntawm lub piston | Poob siab | |
| Finger diam marking (dawb, ntsuab, daj, liab) | Nyob ntawm lub luj tshib | Xim | |
| Cov khoom siv "AK12MMgN" | Nyob ib ncig ntawm lub piston tus pin qhov | Casting | |
| BTC stamp | Nyob rau hauv qab ntawm lub piston | pickling |
Marking pistons "Toyota"
Lub pistons ntawm Toyota ICE kuj muaj lawv tus kheej tsim thiab qhov ntau thiab tsawg. Piv txwv li, ntawm lub tsheb Land Cruiser nrov, pistons raug xaiv los ntawm cov ntawv Askiv A, B thiab C, nrog rau cov lej ntawm 1 txog 3. Raws li, cov ntawv qhia qhov loj ntawm lub qhov rau tus pin piston, thiab cov lej. qhia qhov loj ntawm lub piston txoj kab uas hla hauv cheeb tsam "daim tiab". Kev kho piston muaj +0,5 hli piv rau tus qauv kab. Ntawd yog, kev kho, tsuas yog cov npe ntawm cov ntawv hloov pauv.
Thov nco ntsoov tias thaum yuav ib lub piston siv, koj yuav tsum ntsuas qhov sib txawv thermal ntawm lub piston tiab thiab lub tog raj kheej phab ntsa. Nws yuav tsum nyob rau hauv qhov ntau ntawm 0,04 ... 0,06 hli. Txwv tsis pub, nws yog ib qho tsim nyog yuav tsum tau ua cov kev kuaj mob ntxiv ntawm lub cav combustion thiab, yog tias tsim nyog, ua haujlwm kho.
Pistons los ntawm Motordetal cog
Ntau lub tshuab hauv tsev thiab txawv teb chaws siv kho pistons tsim los ntawm cov chaw tsim khoom ntawm Kostroma piston pawg tsim khoom Motordetal-Kostroma. Lub tuam txhab no tsim pistons nrog ib txoj kab uas hla ntawm 76 mus rau 150 mm. Txog niaj hnub no, cov nram qab no hom pistons tau tsim:
- khoom cam khwb cia;
- nrog thermostatic ntxig;
- nrog ib qho ntxig rau sab saum toj compression nplhaib;
- nrog roj txias channel.
Pistons tsim nyob rau hauv cov npe hom npe muaj lawv tus kheej tsim. Hauv qhov no, cov ntaub ntawv (kos npe) tuaj yeem siv ob txoj hauv kev - laser thiab microimpact. Yuav pib nrog, cia peb saib cov piv txwv tshwj xeeb ntawm kev kos npe siv laser engraving:
- EAL - ua raws li cov kev cai ntawm kev lis kev cai union;
- Ua nyob rau hauv Russia - ib tug ncaj qha qhia ntawm lub teb chaws ntawm lub hauv paus chiv keeb;
- 1 - pab pawg los ntawm qhov hnyav;
- H1 - pab pawg los ntawm txoj kab uas hla;
- 20-0305A-1 - khoom naj npawb;
- K1 (nyob rau hauv ib lub voj voog) - kos npe rau ntawm lub tuam tsev tswj kev tswj (QCD);
- 15.05.2016/XNUMX/XNUMX - ib qho qhia ncaj qha ntawm hnub tsim khoom ntawm lub piston;
- Sp 0,2 - tshem tawm ntawm lub piston thiab lub tog raj kheej (kub).
Tam sim no cia saib cov npe thov nrog kev pab los ntawm qhov hu ua micro-tshuaj, siv cov piv txwv tshwj xeeb:
- 95,5 - tag nrho qhov loj hauv txoj kab uas hla;
- B - pab pawg los ntawm txoj kab uas hla;
- III - pab pawg raws li txoj kab uas hla ntawm tus ntiv tes;
- K (hauv ib lub voj voog) - OTK kos npe (kev tswj kom zoo);
- 26.04.2017/XNUMX/XNUMX - ib qho qhia ncaj qha ntawm hnub tsim khoom ntawm lub piston.
Nws tseem tsim nyog sau cia ntawm no tias rau kev tsim cov pistons sib txawv, ntau yam aluminium alloys nrog alloying additives yog siv. Txawm li cas los xij, cov ntaub ntawv no tsis tau qhia ncaj qha rau ntawm lub cev piston, tab sis tau sau tseg hauv nws cov ntaub ntawv kev kawm.
