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Zogulitsa
Ma gaskets amtundu wa zinc
Ma gaskets amtundu wa zinki amasinthidwa pamaziko a electrogalvanizing kuti apange filimu yamtundu wa utawaleza (yokhala ndi trivalent chromium kapena hexavalent chromium) yokhala ndi makulidwe a filimu pafupifupi 0.5-1μm. Kuchita kwake kotsutsana ndi dzimbiri ndikwabwinoko kuposa electrogalvanizing wamba, ndipo mtundu wapamtunda ndi wowala, ndi magwiridwe antchito komanso kukongoletsa.
Kufotokozera
chikhomo
Kutanthauzira kwazinthu ndi ukadaulo wapakatikati
Ma gaskets amtundu wa zinki amasinthidwa pamaziko a electrogalvanizing kuti apange filimu yamtundu wa utawaleza (yokhala ndi trivalent chromium kapena hexavalent chromium) yokhala ndi makulidwe a filimu pafupifupi 0.5-1μm. Kuchita kwake kotsutsana ndi dzimbiri ndikwabwinoko kuposa electrogalvanizing wamba, ndipo mtundu wapamtunda ndi wowala, ndi magwiridwe antchito komanso kukongoletsa.
Zida zazikulu ndi mawonekedwe
Zofunika: Q235 carbon steel, Q345 aloyi zitsulo, gawo lapansi kuuma HV150-250.
Mawonekedwe:
Kukana kwa dzimbiri: Palibe dzimbiri loyera pamayeso osalowerera amchere kwa maola 72-120, oyenera malo akunja kapena achinyezi;
Kutha kudzikonza: Pambuyo filimu yodutsayo ikang'ambika, gawo la hexavalent chromium lingathe kukonzanso malo owonongeka;
Kuzindikiritsa mitundu: Mitundu ya utawaleza imatha kugwiritsidwa ntchito kusiyanitsa milingo ya torque kapena magulu osiyanasiyana (monga makampani opanga magetsi).
Ntchito ndi zochitika zoyenera
Ntchito:
Kugonjetsedwa ndi dzimbiri monga kutsitsi mchere ndi asidi mvula kwa nthawi yaitali, ndi moyo utumiki 3-5 nthawi wamba electroplating nthaka;
Kuzindikirika kowoneka bwino, kukonza kosavuta kwa zida ndi kasamalidwe.
Zochitika:
Zida zamagetsi zakunja (monga ma bolts a nsanja), engineering ya m'madzi (kulumikizana kwa sitima yapamadzi), makina amankhwala (tanki flange).
Kuyika ndi kukonza
Kuyika:
Wrench ya torque iyenera kugwiritsidwa ntchito kuti iwonetsetse kuti filimuyo isanakwane kuti isagwe chifukwa cha extrusion yochulukirapo;
Kulumikizana mwachindunji ndi zitsulo zogwira ntchito monga aluminiyamu ndi magnesium ndizoletsedwa kuteteza galvanic corrosion.
Kusamalira:
Pewani kugwiritsa ntchito zotsukira acidic, tikulimbikitsidwa kupukuta ndi zosungunulira zandale;
Ma gaskets a hexavalent chromium passivation amayenera kutsatira malamulo a chilengedwe (monga malamulo a EU REACH), ndipo ma gaskets opanda chromium ndi oyenera kumafakitale azakudya ndi mankhwala.
Gulani malingaliro
Pazinthu zomwe zili ndi zofunika kwambiri zachilengedwe, sankhani trivalent chromium passivation kapena chromium-free passivation process;
Gwiritsani ntchito ma gaskets achikuda a zinki mosamala m'malo otentha kwambiri (> 100 ℃), chifukwa filimu yodutsa imatha kuwola ndikulephera.
Kufananiza ndi kusankha kalozera wa gaskets zazikulu zitatu
| Mtundu | Electroplated kanasonkhezereka gasket | Gasket yamitundu yosiyanasiyana | Gasket yakuda yamphamvu kwambiri |
| Ubwino waukulu | Mtengo wotsika, wamphamvu zosunthika | High dzimbiri kukana, chizindikiritso mtundu | Mphamvu yapamwamba, kukana kutentha kwakukulu |
| Mayeso opopera mchere | Maola 24-72 opanda dzimbiri loyera | Maola 72-120 opanda dzimbiri loyera | Maola 48 opanda dzimbiri |
| Kutentha koyenera | -20 ℃ ~ 80 ℃ | -20 ℃ ~ 100 ℃ | -40 ℃ ~ 200 ℃ |
| Zochitika zenizeni | Makina wamba, chilengedwe chamkati | Zida zakunja, chilengedwe chonyowa | Injini, zida zogwedezeka |
| Chitetezo cha chilengedwe | Njira yopanda cyanide imagwirizana ndi RoHS | Hexavalent chromium iyenera kutsatira REACH, trivalent chromium ndiyotetezeka ku chilengedwe. | Palibe kuwononga zitsulo zolemera |
Malingaliro osankha:
Zofunikira pazachuma: Electroplated kanasonkhezereka gaskets, oyenera zochitika wamba mafakitale;
Malo okhala ndi dzimbiri: Ma gaskets achikuda, amaika patsogolo njira ya chromium yopanda chromium;
Kulemera kwakukulu / kutentha kwakukulu: Ma gaskets akuda amphamvu kwambiri, ofananira mphamvu ya bawuti (monga 42CrMo ya 10.9 grade bolts gasket).
Lumikizanani nafe
Zogwirizana zodziwika bwino
Maboti agulugufe
Mutu wa gulugufe ndi wooneka ngati gulugufe, amene n'zosavuta kumangitsa pamanja popanda zida (standard GB/T 65). Zida wamba ndi pulasitiki (POM, PA66) kapena chitsulo chosapanga dzimbiri, chokhala ndi chilengedwe kapena electroplated pamwamba.
Electrogalvanized hexagonal bolts
Maboti a hexagonal ndi ma bawuti odziwika kwambiri okhala ndi mitu ya hexagonal ndipo amagwiritsidwa ntchito ndi mtedza (standard GB/T 5780). Zida wamba ndi Q235 kapena 35CrMo, zokhala ndi malata kapena zakuda.
Maboti okulitsa okhala ndi zinc amitundu
Mtundu wa zinc passivation process (c2C) umatengedwa, makulidwe a zokutira ndi 8-15μm, ndipo kukana kwa dzimbiri kwa mayeso opopera mchere ndi maola opitilira 72, omwe ali ndi ntchito zotsutsana ndi dzimbiri komanso zokongoletsera.
Zovala zakuda za zinc flange
Mutu wa flange bawuti ali ndi flange kuzungulira kuonjezera kukhudzana dera ndi kumwazikana kuthamanga (muyezo GB/T 5787, GB/T 5789). Mafotokozedwe wamba M6-M30, zinthu Q235 kapena 35CrMo, pamwamba kanasonkhezereka kapena kuda.
Electro-galvanized hexagonal kubowola ulusi
Wopangidwa ndi chitsulo cha kaboni 1022A, kuuma kwapamwamba kumafika pa HV560-750 pambuyo pa chithandizo cha kutentha, ndipo kuuma kwapakati kumafika HV240-450. Pamwamba ndi electro-galvanized kupanga ❖ kuyanika 5-12μm, amene akukumana muyezo GB/T 13912-2002, ndi mayeso kutsitsi mchere kufika maola 24-48 popanda dzimbiri woyera.
Mtedza wamtundu wa zinki
Mtedza wamtundu wa zinki umadutsa pamaziko a electrogalvanizing kuti apange filimu yamtundu wa utawaleza (yokhala ndi trivalent chromium kapena hexavalent chromium) yokhala ndi makulidwe a filimu pafupifupi 0.5-1μm. Kuchita kwake kotsutsana ndi dzimbiri ndikwabwinoko kuposa electrogalvanizing wamba, ndipo mtundu wapamtunda ndi wowala, ndi magwiridwe antchito komanso kukongoletsa.
10.9S mabawuti akulu a hexagon
10.9S mabawuti akulu a hexagon ndizomwe zimalumikizana ndi mikangano yamphamvu kwambiri. Amapangidwa ndi mabawuti, mtedza, ndi ma washer awiri (standard GB/T 1228). Mphamvu yamakokedwe imafika 1000MPa ndipo mphamvu zokolola ndi 900MPa. Chithandizo chake chapamwamba chimatengera ukadaulo wa Dacromet kapena multi-alloy co-lopenya, ndipo kuyesa kwa kupopera mchere kumaposa maola 1000. Ndizoyenera kumadera ovuta kwambiri monga nyanja zamchere komanso kutentha kwambiri.
Electrogalvanized embedded mbale
Q235 kapena Q355 carbon steel, makulidwe a mbale zitsulo nthawi zambiri 6-50mm, awiri a nangula bala ndi 8-25mm, mogwirizana ndi GB/T 700 kapena GB/T 1591 miyezo.
Zikhomo zamtundu wa zinc
Gwiritsani akuda nthaka passivation (c2C), ❖ kuyanika makulidwe 8-15μm, mchere kutsitsi mayeso akhoza kufika maola oposa 72, zokongola maonekedwe, bwino odana ndi dzimbiri ntchito.
Ulusi wobowola wamtundu wa zinc-wokutidwa pamtanda
Kukula kwa filimu yamtundu wa zinc passivation ndi 8-15μm, kuyesa kutsitsi kwa mchere kumapitilira maola 72, ndipo mawonekedwe ake ndi amtundu wa utawaleza. Mukamagwiritsa ntchito trivalent chromium passivation, chitetezo cha chilengedwe chimakhala chabwino kwambiri.
Zovala zamtundu wa zinc zomatira zopingasa
Mutu wa countersunk mtanda bawuti ndi conical ndipo akhoza kwathunthu ophatikizidwa pamwamba pa ogwirizana mbali kukhalabe yosalala maonekedwe (muyezo GB/T 68). Zipangizo zodziwika bwino ndi chitsulo cha kaboni, chitsulo chosapanga dzimbiri kapena mapulasitiki aumisiri (monga nayiloni 66), okhala ndi malata kapena utoto wachilengedwe pamwamba.
Maboti okulitsa amagetsi
Zimapangidwa ndi ma bolts osunthika, machubu okulitsa, zochapira zosalala, zochapira masika ndi mtedza wa hexagonal. zinthu zambiri mpweya zitsulo (monga Q235), ndi makulidwe a wosanjikiza electrogalvanized ndi 5-12μm, amene akukumana ISO 1461 kapena GB/T 13912-2002 mfundo.
T-bolt (T-slot bawuti)
T-bolt ndi bawuti yokhala ndi mutu wooneka ngati T, wogwiritsidwa ntchito ndi T-slot (wokhazikika DIN 3015-2), ndipo mawonekedwe a flange amawonjezera malo olumikizana nawo ndipo amatha kupirira mphamvu yakumeta ubweya wammbuyo. Zodziwika bwino ndi M10-M48, makulidwe 8-20mm, ndi chithandizo chapamwamba cha phosphating chokana dzimbiri.
Maboti amtundu wa zinc flange
Mutu wa flange bawuti ali ndi flange kuzungulira kuonjezera kukhudzana dera ndi kumwazikana kuthamanga (muyezo GB/T 5787, GB/T 5789). Mafotokozedwe wamba M6-M30, zinthu Q235 kapena 35CrMo, pamwamba kanasonkhezereka kapena kuda.
Bawuti ya ngolo (yozungulira theka la mutu square neck bolt)
Mutu wa bolt wa ngolo ndi semicircle yayikulu, ndipo khosi ndi lalikulu kuti mupewe kuzungulira (muyezo wa GB / T 14). Zida wamba ndi Q235 kapena chitsulo chosapanga dzimbiri, chokhala ndi malata kapena chakuda pamwamba.
Zinc wakuda wokutidwa countersunk mtanda mabawuti
Mutu wa countersunk mtanda bawuti ndi conical ndipo akhoza kwathunthu ophatikizidwa pamwamba pa ogwirizana mbali kukhalabe yosalala maonekedwe (muyezo GB/T 68). Zipangizo zodziwika bwino ndi chitsulo cha kaboni, chitsulo chosapanga dzimbiri kapena mapulasitiki aumisiri (monga nayiloni 66), okhala ndi malata kapena utoto wachilengedwe pamwamba.
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