Mechanical connection hte sealing system ni hta ahkyak ai daw ni hku nna, gasket ni a matu hpaw shabawn ai lam gaw shanhte a dimensional hkrak ai lam, jak rung atsam ni, hte daw jau ai lam ni hpe hkrak hkra hkra machyi shangun ai. Component kam hpa mai ai lam law wa na matu, hpaga lam hta ra kadawn ai lam ni law wa ai hte maren, gasket hpe hpaw shabawn ai hpaji masa gaw, grau tsaw ai hkrak ai lam hte grau tsaw ai akyu ara de matut nna rawt jat wa nga ai. Ndai laika buk gaw, arung arai lata ai lam, madung hkrang shapraw ai lam ni, ahkyak ai ladat masa ni, hte quality hpe hkang zing ai lam ni a ningmu ni kaw nna, gasket byin pru wa ai hta ahkyak ai hpaji masa lam ni hte tatut mahkrum madup ni hpe hkrang shapraw dan ai.
1. Arung arai ni hpe lata nna tsi lajang ai lam
Gasket byin pru wa ai lam gaw madung hku nna, arung arai ni a atsam ni hta madung nga ai. Masha law malawng lang ai arung arai ni hta, carbon n-gang (Q235 hte 10# zawn re ai n-gang), n-gang n-gang (304 hte 316 zawn re ai), magri mang (H62 brass zawn re ai) hte n-gang n-gang n-gang ni) hte non{6}}metallic arung arai ni (rubber hte polytetraforeothylenenenenenenee ngu ai arai ni) lawm ai. Metal grade ni hpe n-gun, n-gun n-gun, shing nrai, n-gun rawng ai lam ni hpe madung tawn nna lata la ra ai, dai gaw bungli galaw ai makau grup yin hte maren rai nga ai. Non{9}}}metallic gasket ni a matu, elasticity, nbung katsi ai hpe ninghkap lu ai, chemical stability hpe ahkyak shatai nna tawn da ai.
Material pretreatment ngu ai gaw, npawt nhpang lahkam langai rai nga ai. Metal sheets (sh) wire hta gaw, kata na n-gun hpe yeng seng kau lu na matu hte plasticity hpe grau kaja hkra galaw na matu, ntsa lam hpe jasan jaseng ra ai ( pickling and descaling zawn re ai) hte arnealing galaw ra ai. Non{2}}}metallic arung arai ni gaw, shanhte a hka lwi ai lam hpe hkra machyi shangun ai asak kaba wa ai hpe pat shingdang na matu, hkang zing da ai shara hta tawn da ai nbung katsi ai lam hte hka lim ai lam ni ra ai. Ga shadawn, stainless steel gasket raw material hpe HV180 hta grau nna n-gun ja ai (sh) dai hte maren sha rai nga ai.
II. Madung hkrang shapraw ai lam hte arawn alai
Gasket hpaw ai ladat ni hpe madung amyu mali hku garan mai ai: stamping, forging/cold bawnu, injection molding (n-{0}}metallic arung arai ni a matu), hte powder galai shai ai lam, langai hte langai tinang a application scenarios hte technical akyu ni nga ai.
1. Stamping: Kaja ai lam hte hkrak hkrak ai lam a kumla
Stamping gaw metal gasket ni a matu grau lang ai forming ladat re. Die langai hpe plastic hte n-gun n-gun n-nga hkra, sheet metal hpe n-gun n-gun hte lang ai. Dai core process hta: blanking (shingjawng ai blank hpe ka-up ai) → stamp langai (sh) law law lang ai pass ni (dingdung hkrang hpe hpaw ya ai) → deburring (ttriming (sh) vibratory ngut ai) lawm ai. Ndai ladat gaw, n-gun n law ai n-gun n-gun n-gun n-gun (3mm hta grau n-gun n rawng ai (sh) maren sha n-gun n rawng ai) a matu htuk manu ai, grai kaja ai dimensional n bung ai lam hpe jaw ya ai (hkam sharang ai lam ni hpe ±0.05mm du hkra) hte galaw shapraw lu ai atsam grai law ai (minit mi hta n-gun law law) hpe jaw ya ai. Ga shadawn, mawdaw engine ni a matu n-gun n rawng ai steel sealing gasket ni hpe multi-}station rawt jat wa ai si ai lam ni hpe lang nna, n-gun n rawng ai hku pat shingdang chye ai. Die set langai sha gaw, punching, blanking, hte hpaw ai lahkam masum hpe ngut kre lu ai majaw, 85% jan ai arung arai ni hpe jai lang ai rate hpe lu la ai.
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N-gun ja ai-} n-gun ja ai gasket ni a matu, n-gun kaba ai (sh) n-gun kaba ai (flange connections ni a matu magri ring gaskets zawn re ai), katsi ai shat shadu ai (sh) katsi ai bawnu hpe lang chye ai. Hot forge galaw ai gaw, die hku nna n-galaw shi yang, dai hpe n-gun ja hkra galaw na matu, n-gun n rawng ai (typically 800{5}}1100℃) hpe katsi shangun ai, dai gaw grau kaja ai hkaulan mam ni hte grau kaja ai jak rung atsam ni hpe lu la shangun ai. Cold heading, maga mi de, n-gun n law ai arung arai ni a matu htuk manu ai (n-gun n ja ai n-gang zawn re ai). Dai ring hkrang gaw, nta kata na nbung katsi ai shara hta myit n pyaw shangun ai lam law law hku nna byin pru wa ai, katsi ai n-gun (±0.1mm a hkam sharang ai lam ni) hte shingdaw yang, grau kaja ai dimensional hkrak ai lam hpe lu la ai. Ga shadawn, petrochemical pipeline ni hta lang ai stainless steel octagonal washer ni hpe 0.02mm hta grau (sh) maren sha re ai Less a sealing surface n-gun hpe lu la na matu, katsi ai bawnu hte dai hpang galai shai ai lam hpe kayau kaya lang nna galaw shapraw ai.
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Non{0}}}metallic gasket ni rai nga ai rubber hte polytetrafluorothylene (PTFE) hpe tsi htu ai (sh) n-gun shayawm ai hku nna shapraw ai. Injection molding gaw, n-gup magap hpe n-gun kaba ai npu hta, n-gup magap hpe n-gun ja ai n-gup magap ni hte hpring hkra galaw ai lam lawm nna, n-gup magap ni a matu htuk manu ai (skeleton hte composite gasket ni zawn re ai). Compression molding gaw, preformed blank hpe katsi ai n-gup kata de bang nna, n-gun dat ai shaloi, n-gun n-gun n-gun n-gun n-gun n-gun n-rawng ai arung arai ni a matu grau htap htuk ai (Asbestos rubber gaskets zawn re ai). Critical control shara ni hta nbung katsi ai lam (ga shadawn, PTFE tsi htu ai n-gun hpe 360 degree hte 380℃lapran hta hkang ra ai, n-gun (typically 80 MPa hta grau kaba ai (sh) dai hte maren), katsi ai n-gun hpe shayawm na matu katsi ai hte kata na nbung n-gun n-gun n rawng ai lam ni lawm ai.
III. Madung ladat ni hte grau kaja ai lam ni hpe woi awn ai lam ni
Gasket molding a quality gaw, process parameters ni hpe hkrak hkrak hkang lu ai hta madung nga ai. Stamping galaw ai lam hpe ga shadawn hku nna, die clearance (madung hku nna 5%{4}}12% a n-gun atsam), stamping speed ( 150 lang (sh) 150 lang n-gun n-gun n-gun n-gun n-gun n-rawng hkra, n-gup n-gu n-gun n-rawng hkra, n-gup n-gu n-gun yawm ai lam hpe shayawm na matu, n-gup n-gu n-gun n-rawng ai lam hpe shayawm na matu, n-gup n-gu (sh) graphite coefficient hpe lang ai zawn re ai) ni yawng hpe, arung arai arung arai ni hte maren galai shai ra ai. Katsi ai aten hta, n-gup magap a shawng nnan na hkrang (cylindrical (sh) pancake zawn re ai) hte myit n pyaw shangun ai n-gun a garan ginhka ai lam gaw, hpang jahtum na dimensional a hkrak ai lam hpe hkrak hkra machyi shangun ai, n-gun n rawng ai lam hpe grau kaja hkra galaw na matu, finite element simulation galaw ra ai.
Kade nna ai aten hta, process optimization gaw hpaji rawng ai hku hkang zing ai lam hte hkai sun galaw ai lam hpe madung tawn ai. Ga shadawn, pressure sensor ni hpe, stamping galaw ai aten hta, n-gun galai shai ai lam ni hpe, aten dep yu na matu, shalawm ai, dai hpe, machine learning algorithms ni hte hpaw nna, die wear trends hpe tau hkrau tsun dan ai; hte hka-}solble sau hpe htunghking sau- hta na sau hpe lang nna, hpang na san seng ai lam ni hta grup yin hpe n san seng hkra galaw ai.
IV. Quality Control hte jep joi ai hpaji masa
Gasket quality hpe jep yu ai lam hpe, ndai lam yawng hta, dimensional hkrak ai lam (inner diameter, shinggan diameter, hte n-gun), ntsa lam a n-gun (n-gun n-gun hte n-gun n-gun n bung ai), jak rung atsam (tensile n-gun hte n-gun n-gun), hte bungli galaw ai lam hpe madun ai (ga shadawn, sealing gasket a compression rebound rate zawn re ai) hpe madung tawn nna galaw ai. Conventional chyam dinglik ladat ni hta, shingdaw ai lam hpe shadawn ai jak ni (gemetric dimensions ni a matu), microhardness chyam dinglik ai lam (dai arai a ngang kang ai layer a sung ai hpe jep joi na matu), hte nbung n shang ai chyam dinglik ai lam ni lawm ai (sating gasket ni a hka lim ai lam a matu). high-end application ni a matu (aerospace zawn re ai), non{3} n hkru n kaja ai chyam dinglik ai lam ( ultrasonic chyam dinglik ai zawn re ai) ni a matu mung, kata lam n kaja ai lam ni hpe chye na lu na matu ra nga ai.
Daw dan lam
Gasket ni gaw kaji dik ai daw ni rai tim, shanhte a hkrang shapraw ai lam gaw, arung arai hpaji masa, jak rung hkrang shapraw ai lam, galaw shapraw ai hpaji masa ni a madung lam ni hpe hpawng de ya ai. Hpaga lam hte seng ai arung arai ni gaw, grau tsaw ai parameterization hte grau galu ai asak hkrung lam ni de rawt jat wa ai hte maren, gasket molding hpaji masa gaw, hkrak tup ai, laksan masat masa galaw ai, hpaji rawng ai lam de matut nna rawt jat wa na re. Core process parameters hte key quality control points ni hpe sharin ya ai gaw kam mai ai gasket hpe galaw lu na matu hte hpaga lam hte seng ai n-gun hpe n-gun jaw na matu ahkyak nga ai.
