Lub tsheb piston thiab pas nrig O nplhaib sealing feem ntau ua tiav siv O-ring. Ib qho O-ring yog ib qho kev sib khi ua los ntawm cov khoom siv elastic (xws li roj hmab) nrog ib qho kev sib tshuam. Nws yog siv los tsim ib lub foob ntawm lub piston thiab pas nrig los tiv thaiv cov kua los yog roj.
Lub foob ntawm lub piston thiab pas nrig yog ib qho tseem ceeb heev vim hais tias cov reciprocating piston nyob rau hauv lub tsheb cav tsim lub siab los ntawm high-pressure gas thiab lubricating roj. Nov yog qee cov ntsiab lus tseem ceeb txog tsheb piston thiab pas nrig O-ring seals:
Kev tsim kho thiab khoom siv
Automotive piston thiab pas nrig O-rings feem ntau yog ua los ntawm cov khoom siv roj hmab nrog cov roj zoo, xws li nitrile butadiene roj hmab (NBR). Cov khoom no tuaj yeem nyob twj ywm nyob rau hauv qhov kub thiab txias thiab muaj kev sib khi zoo.
| lwm | NBR roj hmab | Txoj Kev Xeem |
| Xim | dub .,lwm | |
| Tshwj xeeb lub ntiajteb txawj nqus | 1 3-1.5g/cm3 | ASTM D 297 Cov |
| Hardness | 40 degree -80 degree Ntug A | ASTM D 2240 Cov Lus Qhia |
| Tensile zog | 13 MPa (min) | ASTM D412 |
| Elongation thaum so | 250% (min) | ASTM D412 |
| kua muag zog | 35 N / hli | ASTM D 624-ntaub ntawv |
| Tsawg kub tsis kam | -25C | ASTM D 1329 Cov Lus Qhia |
| Qhov kub thiab txias | -25 degree rau +120 degree | ASTM D 2000 2 |
| Ib txwm los yog kev cai | ||
Muaj nuj nqi thiab kev ua haujlwm
Lub O-ring tsim ib qho kev sib txuas ntawm qhov sib txawv ntawm lub piston thiab pas nrig, tiv thaiv cov roj lubricating thiab compressed gas. Nws lub luag haujlwm tseem ceeb yog los xyuas kom meej lubrication thiab sealing cuam tshuam thaum lub sij hawm piston txav, tiv thaiv roj thiab kua los ntawm kev sib xyaw thiab xau mus rau thaj chaw uas lawv yuav tsum tsis txhob nkag.
Kev txhim kho thiab kho
Kev txhim kho piston thiab pas nrig O-rings yuav tsum tau muaj kev txawj ntse thiab feem ntau yuav tsum tau disassembly thiab reassembly ntawm lub piston thiab pas nrig sib dhos. Thaum lub sij hawm kev teeb tsa, koj yuav tsum xyuas kom meej tias O-ring tsis puas thiab raug ntsia rau ntawm lub piston thiab pas nrig. Tsis tas li ntawd, kev tshuaj xyuas tsis tu ncua thiab hloov cov O-rings puas kuj tseem ceeb rau kev tswj xyuas kev sib khi zoo.
Hloov thiab ceev faj
Thaum lub piston thiab pas nrig O-rings muaj hnub nyoog, ua puas, los yog poob lawv elasticity, lawv tuaj yeem ua rau cov roj thiab cov pa tawm, txo cov kev ua haujlwm ntawm lub cav thiab kev ua haujlwm. Yog li ntawd, tsis tu ncua hloov O-rings yog ib qho ntawm cov kauj ruam tseem ceeb los tswj kev ua haujlwm ntawm koj lub tsheb lub cav.
Thaum hloov O-rings, yuav tsum tau saib xyuas kom xaiv cov kev qhia tshwj xeeb thiab cov ntaub ntawv tsim nyog, thiab ua kom muaj kev txhim kho kom raug thiab kev sib khi zoo.
Hauv cov ntsiab lus, O-ring foob ntawm lub tsheb lub piston thiab pas nrig plays lub luag haujlwm tseem ceeb hauv kev ua kom lub lubrication thiab sealing thaum lub cav khiav. Kev txhim kho kom zoo, kev tshuaj xyuas tsis tu ncua, thiab hloov O-rings yog cov kauj ruam tseem ceeb hauv kev tswj kom muaj kev sib khi zoo ntawm lub piston thiab pas nrig, pab tswj xyuas lub cav kom zoo thiab lub neej.
Cim npe nrov: Tuam Tshoj automative piston thiab qws o nplhaib sealing, Tuam Tshoj automative piston thiab qws o nplhaib sealing manufacturers, lwm tus neeg, Hoobkas
