Pandinotumira boka rezvibatanidza zvetsvimbo zvakarukwaKubva kufekitori yedu muXinchang, mubvunzo mumwe chete wandinonyanya kunzwa kubva kumainjiniya ekutenga ndewekuti: "Ndingaziva sei kuti tambo iyi ichakwana kana yasvika panzvimbo yacho?" Inyaya yakanaka. Rombo rekuvhurika risingakwanise kubatanidzwa mumunda harisi dambudziko chete - kukundikana kwesystem yekuvhurika kwakamirira kuitika. Muchinyorwa chino, ndinotarisa mwero wetambo, kuongororwa kwekushivirira, uye matanho ekubvumidza atinoshandisa mukati uye andinokurudzira mutengi wese kuti aongorore asati asaina odha yekutanga.

Sei Hunhu Hweshinda Patsvimbo Yepasi Husiri Hunhu Hudiki?

Muruzivo rwangu, electrode yekumisa pasi inoshanda chete pamwe chete nejointi yayo isina kusimba. Munzvimbo yedu yekugadzira, takaona mienzaniso yakadzoserwa apo coating yemhangura yakanga isina chikanganiso pamuviri wetsvimbo asi tambo yekubatanidza yakanga yabviswa panguva yekufambisa nekuti kushivirira kwaive kwakasununguka kubva pakutanga. Chikwata chedu cheQA chakapa tsvimbo iyi pakutarisa nemaziso pachiteshi chekuisa zvinhu, asi yakakundikana mumunda panguva yekuisa gungwa kuWest Africa uko kontrakita airovera tsvimbo muvhu re laterite pasi penguva yakaoma.

Nekuti shinda iyi ndiyo bhiriji remagetsi neremakanika pakati pezvikamu zviviri zvetsvimbo, shinda isina kuchekwa zvakanaka kana kuti isina kuputirwa zvakanaka inova nzvimbo inopikisa zvakanyanya munzira yese yekudzika. Kupikisa ikoko kunokosha panguva yechiitiko chemheni apo makumi ezviuru zveamperes zvinoda kupararira muvhu mukati memasekonzi madiki.

Patinogadziratsvimbo dzesimbi dzakaputirwa nemhangura dzakarukwa, shinda inochekwa kana kumonerwa mushure medanho rekuisa shinda yemhangura. Maitiro edu anoita kuti kutevedzana uku kuchengetedze pamusoro peshinda panguva yekuumbwa, asi zvinorevawo kuti chero chikanganiso chiri mushinda chinoonekwa zvakananga muchigadzirwa chapera. Hapana buffer layer yakavanzika yekuvhara dambudziko.

Matanho Ekubatanidza Auchasangana Nawo Mukutenga Zvine Grounding

Mumakore angu gumi nemaviri ekutengesa kunze kwenyika zvigadzirwa zvepasi kubva kufekitori yedu, ndakashanda nevatengi munyika dzinopfuura makumi mana. Mafomu eshinda anowanzoonekwa mumagwaro eRFQ etsvimbo dzevhu uye macoupling anowira mumhuri ina:

Unified National Coarse (UNC) — Chisarudzo cheNorth America

UNC threads, dzinotongwa neASME B1.1, ndidzo dzinotonga misika yeUS, Canada, neMexico. Kune ground rods, saizi dzakajairika i5/8″-11 UNC uye 3/4″-10 UNC. "11″ uye "10″ zvinoreva threads per inch (TPI). 5/8″-11 UNC rod ine dhayamita huru ye15.875 mm uye pitch ye2.309 mm. Tinogadzira saizi iyi yakawanda kune vatengi vanoisa substation grounding grids uye telecom tower foundations kumaodzanyemba kweUnited States.

Takambopa purazi remagetsi ezuva pakati peTexas rine maUNC couplers e5/8″-11 eUNC ekushandisa tsvimbo dzemhangura dzakaputirwa pasi dzakadzika mamita matatu muvhu revhu. Mugadziri akataura kuti akabatana zvakanaka muboka rese nekuti takanga taongorora dhayamita yepitch pa14.705 mm (mukati me2A tolerance band) patsvimbo yega yega yegumi panguva yekugadzira.

Mari Yechikwereti Yenyika Yose (UNF) — Isina Kujairika Asi Ichiri Kutsanangurwa

Muruzivo rwedu, tambo dzeUNF dzinoonekwa mune mamwe marongero eEurope uye mumashandisirwo adzo apo pitch yakapfava inosarudzwa kuti irambe ichidzivirira kudedera. Kubatanidza kwe5/8″-18 UNF kune dhayamita yakakura yakafanana neyayo UNC asi inoda kusvika kaviri TPI. Pitch yakapfava inoreva kubatana kwakawanda pamirimita imwe neimwe yehurefu hwe axial, zvichibatsira muvhu rine matombo uko simba rekutyaira rakakwira. Zvisinei, tambo dzeUNF dzinonyanya kunzwa kuchinjika kwetambo panguva yekubatanidza, saka ndinokurudzira vatengi vanotsanangura UNF kuti vakumbirewo chamfered lead-in pamucheto wechirume we coupling.

British Standard Pipe (BSP) — Yakapararira kuMiddle East neAfrica

Matayi eBSP, kunyanya G (parallel) series inotsanangurwa muISO 228, anowanikwa mumagwaro anobva kuGulf states, Nigeria, Kenya, neSouth Africa. Kubatana kweG1/2 kana G3/4 hakuderereki - kunoenderana nekubatana kwakafanana. Izvi zvinoita kuti kusimbiswa kwedimensional kuve kwakakosha nekuti hapana chiito chekubatanidza chinotsiva saizi shoma. Muruzivo rwedu rwekupatsvimbo yepasi netsvimbo yepasizvigadzirwa kumapurojekiti ari muDubai neLagos, maBSP couplers anopasa bvunzo ye ring gauge pachiteshi chedu cheQC anoita zvakanaka muvhu rine jecha, rinogara kwenguva refu.

Metric ISO Threads (M-Series) — The Global Standard

Matavi emetric paISO 261 neISO 965 ndiwo anowanzo shandiswa muEurope, muAsia, Australia, uye muSouth America. Kune grounding rods, M16 neM20 ndiwo saizi dzakajairika. M16x2.0 coupling ine 16 mm major diameter uye 2.0 mm pitch. Standard tolerance class i6g (external) / 6H (internal). Nekuti metric threads dzakatsanangurwa muISO standards dzakatorwa nemasangano mazhinji enyika, sampuro inopfuura ne6g ring gauge inowanzo gutsa vaongorori zvisinei nekuti purojekiti iri munyika ipi. Tine metric-threaded couplers dzedu.tsvimbo dzesimbi dzakagadzirwa nesimbi dzakagadzirwa nesimbiuye yedutsvimbo dzakakuyiwa dzemhangura dzakachenamuhukuru M12 kusvika M24.

Kushivirira uye Kukodzera kweThread: Zvinorehwa neNhamba muKuita

Kusagona kushandisa shinda kunotiudza kana zvikamu zviviri zvichabatanidzwa nemaoko, nepanera, kana kusabatanidzwa zvachose. Heino tafura yekutarisa yematanho eshinda yetsvimbo yevhu yauchasangana nayo:

Mufekitori yedu, tinoshandisa ma ring gauges nema plug gauges akagadziriswa zvinoenderana nema tolerance bands aya pakugadzirwa kwega kwega. Kune mutengi ari kuongorora sampuro, zano rinoshanda zvikuru randinogona kupa zvichienderana nemakore angu mubasa iri: Ndinogara ndiine mating coupler kana gauge inozivikanwa kuenda nayo ku sample inspection. Kuongorora kwe go/no-go kunotora masekondi gumi pa rod imwe neimwe uye kunobata dimensional drift iyo caliper measurement yega ingasashande.

Zvikanganiso Zvakajairika uye Maitiro Ekuzviona

Kwemakore akawanda pafekitori yedu, ndakaronga zvikanganiso zvinowanzo kukonzera zvichemo zvemumunda. Hechino chinhu chinotarisirwa nechikwata chedu cheQC nevaongorori vevatengi vedu — uye zvandinokurudzira kuti utarise panguva yekuongorora kwako kunotevera:

• Kukuvara kweshinda dzechirume nedzechikadzi: Kunoitika kana shinda dzechirume nedzechikadzi dzisina kubatana dzisati dzasimba. Nhambwe mbiri kusvika nhatu dzekutanga dzinoratidza kuchinjika. Pamuenzaniso, izvi zvinoonekwa sekunzwa kwakashata kana tichitenderedza mubatanidzwa nemaoko. Tinobvisa izvi mukugadzirwa nekukwesha shinda dzechirume pa30 degrees.
• Kukura kwedhayamita huru: Chigadziko cheshinda chinodarika muganho wepamusoro webhandi rekutsungirira hachizopindi mukomboni. Izvi zvinowanzoitika pamatanda apo kutenderedzwa kweshinda kwakaitwa mushure mekunge coating yemhangura yaiswa uye coating yakawedzera ukobvu husingatarisirwi. Tinodzora izvi nekutarisa huremu hwecoating pachikamu chimwe nechimwe tisati tatanga tambo.
• Dhayamita yepitch iri pasi pehukuru: Kukwana kwakasununguka kunoita kuti coupling izungunuke. Kunyange zvazvo zvingaita sezviri nyore panguva yekuunganidza, tambo yakasununguka zvinoreva nzvimbo shoma yekubata uye kuramba kwemagetsi kwakanyanya pajoinhi. Mainjiniya edu anoisa ma rolling dies kuti anange pakati pe tolerance band, kwete muganho wakaderera.
• Magaka ari pamidzi yeshinda: Magaka akapinza anosiyiwa nechishandiso chekucheka chisina kusimba kana dhayi yekumonera yakasakara. Anogona kucheka shinda yekumonera panguva yekuunganidza uye anogadzira nzvimbo dzekuisa pfungwa dzinokurumidzisa kuneta pasi pekupisa kunodzokororwa. Kuedza kwekukurumidza kunoshandiswa nechikwata chedu: mhanyisa jira redonje pashinda - kana magaka akaboorwa, magaka aripo.
• Kuputira shinda: Copper kana zinc coating inobvisa shinda painogadzirwa. Izvi zvinoita kuti simbi yesimbi iparare, izvo zvinoita kuti irambe yakasimba nekufamba kwenguva. Tinoedza kunamira nekushandisa nzira yekukotama uye kukwesha shinda pabhachi rega rega.

Rondedzero Yekutenderwa Kwemuenzaniso: Protocol Yemukati meFekitori Yedu

Kana mumwe wevatengi vedu akakumbira muenzaniso wezvigadzirwa zvedu zvisati zvagadzirwaZvisungo zvetsvimbo zvevhu zvine shinda 14.2mmkana chimwe chigadzirwa chekuisa shinda, tinotarisa pane runyorwa rwezvinhu gumi nezviviri. Ndiri kugovera chikamu cheshinda chaiyo pano nekuti ndicho chikamu chinobvunzwa nevakawanda nezvevatengi nezve:

1. Kusimbiswa kwechimiro cheshinda: Simbisa kona yeshinda (madhigirii makumi matanhatu eUNC/UNF/metric, madhigirii makumi mashanu nemashanu eBSP) uchishandisa optical comparator kana thread gauge.
2. Kuyera pitch: Shandisa thread pitch gauge kuratidza kuti TPI kana mm pitch inoenderana nezvinodiwa. Kune 5/8″-11 UNC, inchi yega yega yehurefu hwe thread inofanira kuratidza 11 yakazara threads.
3. Dhayamita huru: Yera ne micrometer panzvimbo mbiri dzakaparadzana nemadhigirii makumi mapfumbamwe. Kuverengwa kwese kunofanira kunge kuri mukati mebhandi rekutsungirira rekirasi yakatarwa.
4. Dhayamita yepitch: Shandisa thread micrometer kana nzira yewaya nhatu. Ichi ndicho chiratidzo chinonyanya kukosha chemhando yethread.
5. Bvunzo rekuti "Go/no-go gauge": "Go gauge" inofanira kupfuura zvakasununguka; "no-go gauge" haifanirwe kupfuura kutenderera kaviri. Bvunzo iyi inobata ruzhinji rwezvinhu zvine chekuita nehukuru hwe "dimensional".
6. Kuedza kuenzana kwekubatanidza: Sanganisa tsvimbo yemuenzaniso neruoko uchishandisa chinobatanidza. Chikamu chinofanira kugara pasi nesimba rakabatirira minwe pamwe nekutenderedza kamwe chete nehafu nepanera.
7. Kuongorora nekubata: Tarisa kana paine maburi, zvikanganiso zveplating, uye kusarongeka kwenzvimbo. Vaongorori vedu vanoisa nzara pamusoro pechigunwe - inofanira kunzwa yakatsetseka uye yakafanana.
8. Kuedza kweTorque: Shandisa torque yakatarwa yekubatanidza (mukugadzira kwedu, tinotsanangura 40-60 Nm yekubatanidza tsvimbo yepasi ye5/8″-11 UNC) uye simbisa majoin holdings pasina kubvisa.

Muchikamu chedu chekugadzira, tinotora mifananidzo yekuverenga kwegauge yeboka rega rega remuenzaniso uye tinobatanidza mifananidzo mumushumo wekuongorora unotumirwa nemuenzaniso. Kujeka uku kwave chimwe chezvikonzero nei vatengi vedu muzvikamu zvemafoni nemagetsi vachiramba vachitsanangura zvatinoda.tsvimbo dzepasi dzakarukwa dzakagadzirwa neshinda dzekubatanidza.

Kufunga Nezvezvinhu: Kukanganisa Kushanda Kwesimbi Yepasi

Tambo iyi inongovimbika chete sezvinhu zvainochekwa. Heino maitiro anoita zvinhu zvitatu zvatinoshandisa patambo iyi:

Simbi Yakaputirwa neMhangura

Ruzhinji rwevhoriyamu yedu runopinda mutsvimbo dzepasi dzakaputirwa nemhangura. Rutivi rwemhangura (kazhinji runosvika 0.254 mm kana 0.508 mm zvishoma) runopa simba rekudzivirira ngura uye kufambisa simba, nepo simbi iri pakati payo ichipa simba rekufambisa. Tinoisa tambo dzedu mushure mekuputira tichishandisa madhiri ekumonera ane carbide-tipped anodzvanya mhangura pane kucheka, zvichiita kuti rutivi rurambe rwuchienderera mberi. Tinopa zano kune vatengi kuti vatarise kuti mhangura iri kuoneka uye haina kutyoka pamucheto weshinda - simbi isina chinhu ichaora, izvo zvatakaona mukuongorora kwemunda muvhu mukati memwedzi.

Simbi Yakanyudzwa Inopisa

Yedutsvimbo dzekuisa pasi dzakagadzirwa nemagetsi dzinopisashandisaTsvimbo yepasi yakabatidzwa nesimbi yeQ235kuvakwa. Zinc coating inoshandisa 50-80 microns pa ISO 1461, inoiswa nekunyika tsvimbo yapera mu zinc yakanyungudutswa. Mukugadzirwa kwedu, shinda inochekwa mushure mekubatidza, izvo zvinoburitsa simbi isina chinhu pamusoro. Izvi zvinogamuchirwa kana coupler yakabatidzwawo uye jointi yakavharwa. Tinopawotsvimbo yevhu yakagayiwazvigadzirwa zvine sarudzo dzekugadzira shinda dzakagadzirwa negalvanized.

Simbi isina ngura

Kune nzvimbo dzine ngura yakawanda — nzvimbo dziri pamhenderekedzo yegungwa, zvirimwa zvemakemikari, kana ivhu rine chloride yakawanda — tinopatsvimbo dzisina ngura dzakarukwa nesimbi isina nguramu304 ne316 magiredhi. Austenitic stainless work-inoomesa panguva yekumonera, izvo zvinogona kusundira dhayamita yepitch kunze kwekushivirira. Chikwata chedu cheinjiniya chinotsiva nemaitiro ekumonera maviri uye kuyerwa mukati memaitiro pakati pemapasi.

Nhungamiro dzeKuisa Munda weThreaded Coupling Rods

Kunyangwe tsvimbo ine shinda yakakwana inogona kutadza kushanda zvakanaka kana mugadziri akasatevedzera nzira dzakakodzera. Zvichibva pane zvakataurwa nevatengi vedu uye kubva pakushanyira kwangu webhusaiti, heano maitiro anoenderana nekushanda kwenguva refu kwakavimbika:

• Gezai shinda musati maungana. Ivhu, tsvina, uye marara ari mushinda zvinodzivirira kubatana kweshinda uye zvinogona kukuvadza chigadziko cheshinda. Bhurasho rakaomarara nejira rakachena zvinotora masekondi makumi matatu uye zvinodzivirira maawa ekugadzirisa matambudziko.
• Gadzirisa usati wasimbisa. Tanga kubatana neruoko, uchitenderedza tsvimbo uchitenderedza wachi nekumanikidza zvinyoro nyoro. Kana tsvimbo ikasatenderuka zvakasununguka kwematanho maviri ekutanga, tinodzokera shure tobva tagadzirisazve. Kumanikidza tambo isina kurongeka zvakanaka kuchaibvisa.
• Shandisa mushonga unodzivirira oxidation pamajoini akaputirwa nemhangura. Tinoisa jira rakatetepa remushonga unodzivirira oxidation unoenderana nemhangura pashinda tisati taungana kuti tizadze ma micro-voids uye tidzivirire kupinda kwehunyoro kunokonzera ngura yegalvanic pajoini.
• Tyaira nesando ine simba rekurovera, kwete shamhu. Kurova kwakaitwa neshamhu nesando kunoita kuti pave nenguva yekukombama pakubatanidza tambo inogona kutsemura tambo yakarukwa. Sando inotyaira netsvimbo yevhu inopa simba rakananga.
• Simbisai kuti inodzivirira pasi mushure mekuisa. Shandisai chinhu chinoedza kuti inodzivirira pasi (nzira yekudonha kwesimba paIEEE 81) kusimbisa kuti tsvimbo yakaiswa inosangana nekusagadzikana kwedhizaini. Kukwira kamwe kamwe kwekusagadzikana kana tichienzanisa netsvimbo ine chikamu chimwe chete kunogona kuratidza kuti tambo yacho haina kumira zvakanaka.

Mutengi wedu kuchamhembe kweCanada akashandisa sectionalseti dzetsvimbo dzevhuneUNC couplings kusvika mamita gumi nemasere kuburikidza nepermafrost. Nekutevera protocol yekuenderana pamusoro apa, vashandi vakabatana nekutyaira zvikamu gumi nezviviri zvemamita 1.5 pasina kana tambo imwe chete yakakundikana uye vakapasa bvunzo yekugamuchirwa kwekambani pakuedza kwekutanga.

Basa reThread Standards mukutevedzera System-Level

Mukuona kwedu, masisitimu ekuisa pasi haapo ari ega. Iwo chikamu chehurongwa hwesedziviriro yemheni uye pasi pemagetsiKuisa kunofanirwa kuenderana nemutemo wenyika nepasi rose. Muganho wetambo pa ground rod coupler yako ungaratidzika seushoma, asi unobatanidza nehurongwa hukuru hwekutevedzera mitemo nenzira dzinotariswa nevanoongorora inishuwarenzi nevanoongorora inishuwarenzi:

• IEEE 80 (AC substation grounding) — inoda kuramba ichishanda nemagetsi. Kushivirirana kwekunze kwejoini kunogona kukonzera kusasimba kunotyora izvi. Reference:IEEE 80.
• UL 467 (Midziyo yekugadzika nekubatanidza) — UL inoedza maerekitironi ekugadzika kuti ione simba remakanika, kufambisa simba, uye kuramba ngura. Chinobatanidza chinokundikana kuyedzwa kweUL 467 hachizogamuchirwi. Referensi:UL.
• IEC 62561 (Zvikamu zvekudzivirira mheni) — inovhara zvinobatanidza, mafambiro, uye maerekitironi epasi. Chikamu 7 chinotaura nezve earthing zvakananga. Ma threaded couplers anofanira kupasa bvunzo dzemakanika nedzemagetsi muchiyero ichi chekuisa LPS.
• Makodhi emagetsi enyika (NEC, BS 7671, AS/NZS 3000) — makodhi mazhinji anoda zvikamu zvepasi zvakanyorwa. Chinobatanidza chisina kunyorwa chinogona kukonzera kuti kuiswa kwacho kusashande zvakanaka.

Mukushanda kwangu nevatengi vekune dzimwe nyika, ndakabatsira vanhu vakati wandei vakatsvaga midziyo yevhu kubva kune vatengesi vasina kusimbisa mwero weshinda, asi panguva yekuongorora ndakaona kuti vanobatanidza michina havana kusangana nezvinodiwa. Kukanganiswa kwekuongororwazve nekutenga michina kwakapfuura nguva inotorwa kuti vaone kuti shinda dzinoshanda zvakanaka padanho remuenzaniso. Nekuti kutadza kutevedzera mitemo kunoitika panguva yepurojekiti, kuwana shinda chaiyo pamuenzaniso wekutanga ndeimwe yezviito zvine mwero mukuru zvinogona kuitwa neinjiniya wekutenga michina.

Maitiro Atinotsigira Vatengi Kuburikidza Nemuenzaniso Wekubvumidza

Kana ukakumbira sampuro kubva kufekitori yedu yekugadzira — ingave iritsvimbo yepasi yesimbi yakafukidzwa nemhangura, chinobatanidza chakabatidzwa, kana kutitsvimbo isina ngura yesimbi isina ngura— hezvino zvatinopa:

• Mushumo wekuongorora une mativi matatu ekuyera shinda uchitora nzvimbo nhatu pahurefu hwekubatanidza.
• Mifananidzo yepedyo yechimiro cheshinda pahukuru hwe10x inoratidza mamiriro emusoro uye kuenderera mberi kwepuratifomu.
• Zvitupa zvekuyedza zvinhu zvinosimbisa giredhi resimbi yekutanga (kazhinji Q235 kana yakaenzana pa GB/T 700), rudzi rwekuputira, uye ukobvu hwekuputira.
• Vhidhiyo yekuedza kuenzanisa kubatana inoratidza kubatanidzwa kwemaoko uye kushandiswa kwe torque pamuenzaniso chaiwo.
• Kana zvichidikanwa, tinogona kuronga bvunzo dzevamwe kuburikidza nemarabhoritari ane mvumo kuti tiwedzere kusimbiswa.

Tinochengetedza mageji akagadziriswa eUNC, UNF, BSP, uye metric thread forms murabhoritari yedu yeQC. Vaongorori vedu vakadzidziswa zviyero zvakafanana nemaitiro ekuyera akatsanangurwa pamusoro apa, uye tinogadzirisa mageji edu kota yega yega zvichienderana nemazinga makuru anoteverwa.NISTkana masangano ekuongorora mafambiro emvura enyika akafanana.

Kana uri kuongorora mutengesi mutsva we grounding rod kana kuti wakambosangana nematambudziko ekugadzirisa thread nemutengesi aripo iye zvino, ndinokukurudzira kuti utange nemuenzaniso weodha kubva kukambani yedu.zvibatanidza zvetsvimbo zvakarukwamhando dzakasiyana dzezvinhu. Tichapa gwaro rakazara rekuongorora kuitira kuti mugone kuita sarudzo yekubvumidza musati mazvipira kurodha zvinhu mugaba.

Mibvunzo Inowanzo bvunzwa: Tsvimbo Dzepasi Dzinobatanidza Neshinda