Ingufu zo kugabanya umuvuduko w'amashanyarazi (terminal block screw)

Igenzura ry’ubwirinzi bw’amashanyarazi n’Ubuhanga mu by’Ubwubatsi bw’Ibikoresho Bigezweho

1. Incamake y'Ubuyobozi: Ikiguzi cyihishe cyo gutsindwa kwa Connector

Ku bubatsi b'inganda zigenzura, abahuza sisitemu zikora, n'imiyoboro y'amashanyarazi, kuruhuka kw'imbaraga zo mu gice cya nyuma cy'imashini si ikibazo gisanzwe cyo gusana gusa—ni ikibazo gikomeye gitera ikibazo cyo kunanirwa kwa sisitemu yo kugenzura. Iki kintu ni cyo kintu cy’ingenzi gitera igihe cyo kudakora neza kw’imikorere kitateganijwe, amakosa ya PLC, ndetse no kunyura mu kaga k’imiyoboro y’umutekano. Ubusugire bw’umuyoboro w’amashanyarazi bushingiye gusa ku mbaraga zihoraho zo gufunga mu gihe cyose cy’igihe ibikoresho bimara.

Gutembera k'umuvuduko w'amashanyarazi mu bice by'inyuma by'imashini bizamuka bikunze kubaho iyo imbaraga zo gufunga zigabanutseho ibirenze 20% ugereranije n'ibyakozwe n'uwabikoze. Ibisobanuro bya 0.8–1.2 N·mIyo uku kwangirika kwa mashini kubaye, bitera ubwiyongere bw'umuyoboro w'amashanyarazi. Kubera iyo mpamvu, ubwiyongere bw'umuyoboro w'amashanyarazi buzamuka cyane buva kuri 10 mΩ. Ubu bwiyongere butera ubushyuhe bwo mu gace runaka (I²R igihombo) butuma ubushyuhe bwa terminal buzamuka vuba cyane bukarenga 105°C, bigatera ubushyuhe bukabije bukikije.

> 20% Imbaraga zo Gutera Imbaraga zo Gufunga

> 10 mΩ Ubudahangarwa bukomeye bwo gukoranaho

> 105°C Ubushyuhe bwo kwangirika kw'ubushyuhe

Ibyuma bishyushye cyane by’amashanyarazi mu kigo cy’amashanyarazi cya 480 V bishobora guteza akaga gakomeye, bigasenya ibice byoroshye biri hafi aho kandi bigatera impanuka za NFPA 70E arc-flash hamwe n’ingufu zirenga 8 cal/cm². Kugira ngo bigabanye izi ngaruka, gushyira mu bikorwa gahunda ikomeye yo kugenzura imikorere y’amashanyarazi ni ingenzi cyane. Iyi gahunda ireba neza ibipimo byo gufunga, ibikoresho, n’imicungire y’ubushyuhe bitandukanya neza ibyuma bihuza ibikoresho by’amashanyarazi n’ibicuruzwa bihuza ibikoresho.

Nk'ikigo gikomeye gifite icyemezo cyo ISO 9001:2008, yacu Urupapuro rw'ibanze rw'ikigo (ISO9001: 2008, SGS, UL, 2010) igaragaza ubwitange bwacu kuri izi ngingo zikomeye. Igenzura risuzuma inkingi eshatu z'ingenzi zigaragaza niba uruganda rwujuje ibisabwa nk'umucuruzi wujuje ibisabwa mu rwego rw'inganda:

Uburyo bwo gufata torque no gufunga screw ya Terminal Block buhagaze neza: Ishingiro ry'ubuhanga mu by'imashini rituma habaho guhuza ibintu bidakoresha imbaraga nyinshi.
Ubukomere bw'ibikoresho bizamuka mu kazu no kurwanya ubwikorezi bw'icyuma gitwara imizigo: Igipimo cy'ibyuma kibuza kubora kw'imbaraga zo gufunga uko igihe kigenda.
Kuramba kw'ubushyuhe n'ubushyuhe bw'ubushyuhe: Igipimo cy'ubushyuhe kibuza ikibazo cy'umurambararo w'amashanyarazi mu gihe cy'umutwaro uremereye.

2. Ubuhanga mu by'ikoranabuhanga mu kwibira mu mazi no mu bikoresho

2.1 Gufata Torque no Guhagarara kw'Ingufu

Ibice by'aho ibyuma bihagarara, nk'ibigaragara muri gahunda yacu irambuye Umurongo w'ibicuruzwa bya Terminal Blocks (Screw / Screwless / Pluggable / DIN Rail), koresha akazu gafite ubuhanga buhanitse gakoreshwa na vis (ubusanzwe gakozwe mu muringa, C36000, H58) gafata neza icyuma gifata umuriro ku mugozi upfundikiye mu gikoresho cy'amashanyarazi. Kurekura torque ni inzira idasanzwe ibaho mu bihe bitatu by'ingenzi:

Gushyuha guterwa na okisidasiyo: Igipimo cyo kugongana kw'imigozi y'urushundura kiriyongera bitewe na micro-oxidation uko igihe kigenda gihita (μ > 0.25 ugereranije na 0.15 y'ibanze), bivuze ko torque ikoreshwa itagisobanura imbaraga zo gufunga.
Ubwinshi bw'umuyoboro w'amashanyarazi uhoraho: Imashini zikora amashanyarazi zihinduka bitewe n'umuvuduko uhoraho. Urugero, imashini zikora aluminium zishobora kuzamukaho 0.1 mm/umwaka ku muvuduko wa 20 N/mm².
Itandukaniro ry'Ubushyuhe: Guhindagurika k'ubushyuhe buri gihe (kuva kuri 20°C kugeza kuri 60°C buri munsi mu nganda zifunze) bitera kwaguka gutandukanye hagati y'umuringa (α = 19×10⁻⁶ /°C) n'umuringa (α = 17×10⁻⁶ /°C), bigatera inyuma buhoro buhoro.

Kugira ngo turwanye ibi, ibyuma byacu bya terminal bya premium bikoresha vis z'icyuma zikozwe muri nikeli (M3, HRS, torque 0.8–1.2 N·m) Ihujwe n'imashini zikora imashini zikozwe mu buryo bwa serrated (DIN 6798, ubugari bwa mm 0.5). Izi mashini ziruma ku buso bw'umuyoboro w'amazi, zigakora nk'isoko ikora neza ikomeza imbaraga zo gufunga ≥ 80% by'agaciro kayo ka mbere ndetse na nyuma y'ubushyuhe bukabije bwa 1.000 (−40°C kugeza +105°C). Kubera iyo mpamvu, ubushobozi bwo gukorana n'izi mashini buguma kuri

Urutonde rw'amabwiriza agenga igenzura ry'imikorere y'amakuru ajyanye n'igihe:

Saba ikizamini cyo kubika torque (imiziki 1.000 y'ubushyuhe, −40°C kugeza +105°C, imbaraga zo gufunga ≥ 80% by'ishingiro).
Emeza ko ubushobozi bwo gukoraho buhagaze (
Emeza ibikoresho byo gupfundikira n'ibipfundikira (HRS, byashyizwemo nikeli ≥ 3 μm, byemejwe binyuze kuri XRF).
Emeza ibipimo bya serrated washer (DIN 6798, 0.5 mm, 65Mn spring steel, HRC 40–45).

2.2 Ubukomere bw'ibikoresho biri mu kazu gakura no kurwanya gukurura

Imiterere y'icyuma mu kiraro kiri hejuru ni yo ntwari itagaragara yo kuramba k'amashanyarazi. Uru kiraro (ubusanzwe C36000 umuringa, ubukana bwa HV 80–100) rugomba kurwanya imihindagurikire ikomeye y'umubiri mu gihe cy'umuvuduko urenga 100 MPa. Iyo abakora bagabanyije ibiciro bakoresheje uduce tworoshye (HV

Nk'ikigo gikomeye muri Abakora na batanga ibikoresho by'ikoranabuhanga mu Bushinwa | J-GUANG, uburyo bwacu bwo gukora ubwubatsi butegeka ikoreshwa rya umuringa w'ibumba (C37700, HV 110–130)Binyuze mu gukonjesha imirimo iva mu gukonjesha (kugeza ku kugabanuka kwa 15%), ibice byacu bigira ubushobozi bwo kugumana imbaraga zo gufunga za ≥ 90% nyuma ya torque 500 zikomeye. Byongeye kandi, umugozi ukoresha umuringa utwikiriwe na tin (C11000, 2 μm Sn) wujuje ibisabwa bikomeye byo gusonerwa kuri buri IPC/J-STD-002, byuzuzwa n'icyuma gikingira ubushyuhe (0.1 μm Ag) kugira ngo gitange ubudahangarwa bwa sulfide mu bidukikije bikomeye.

Porogaramu yo kugenzura ibikoresho byo mu kago

Saba amakuru y'ubukana bw'akazu (HV 110–130, igipimo cya Vickers, icyitegererezo cya 5% by'itsinda).
Genzura uburyo imbaraga zo gufunga zigumana (imizikingo ya torque 500, ≥ 90% by'imbaraga z'ibanze, ukoresheje ibikoresho byo gupima byikora).
Emeza ubugari bwa current-bar plating (Sn ≥ 2 μm, Ag 0.1 μm, isuzuma rya XRF, isuzuma rya 5%).
Emeza ubushobozi bwo gusoda (IPC/J-STD-002, Icyiciro cya 3, bikwemeza ko nta gusoda ku mazi).

Guhuza PCB n'imikoranire

Kugenzura ko ubukana bw'ibikoresho burenze ibice bya nyuma. Kugira ngo duhuze ku rwego rwagutse rw'ubuyobozi, Umurongo w'ibicuruzwa by'amahuza (Umutwe w'ibanga / Umutwe w'abagore / IDC / PCB) ikurikiza amahame agenga ibyuma, yemeza ko amakuru y’ubucucike bwinshi n’ingufu bikomeza kuba bihamye mu gihe hari imbaraga zimwe za mekanike n’ubushyuhe.

2.3 Kuramba kw'ubushyuhe n'ubushyuhe bw'ubushyuhe

Imikorere y'amashanyarazi ni myiza gusa nk'uko icyuma gikingira amazi kiyikikije gihagaze. Ikigo gikingira amazi kigomba kwihanganira ubushyuhe budashira kidakoresha amashanyarazi menshi cyangwa ngo gikurikirane amashanyarazi. Amabwiriza agenga imikorere y'amashanyarazi asaba ibikoresho nka PA66 byujuje ibisabwa. UL 94 V-0 Idakoresha umuriro ibipimo ngenderwaho hanyuma unyure IEC 60695-2-12 Insinga z'umuriro ikizamini kuri dogere selisiyusi 850.

Igipimo cy'ubushyuhe (TI) kuri UL 746B gisaba cyane ko ibikoresho bigumaho amasaha 50.000 ku bushyuhe bwabyo (105°C kuri PA66 isanzwe) mu gihe bigumana nibura 50% by'imbaraga zabyo zo gukurura. Kugira ngo birenge izi ngingo, amazu yacu bwite ashyirwamo PA66-GF25 (25% by'ikirahure gikomeza fibre)Ibi byongera ubushyuhe bwo guhindagurika k'ubushyuhe (HDT) ku gipimo cya 240°C kuri 1.8 MPa. Ihujwe n'ibidakoresha umuriro bya fosforasi birengera ibidukikije, icyuma gifite ubugari bwa mm 0.8 kigera kuri TI 105°C kandi kikaba gifite uburinzi ntarengwa bwo gukurikirana bwa CTI 600 (PLC 0). Uburinzi bw'umurambararo bwemejwe ku giti cye ko ari amasegonda ≥ 120 hakurikijwe Ubudahangarwa bw'Umutwe wa ASTM D495 amahame ngenderwaho.

Porogaramu y'Igenzura ry'Ubushyuhe n'Iyubahirizwa ry'Amategeko Mpuzamahanga

Saba isuzuma ry'ubushyuhe (UL 746B, 105°C, amasaha 50.000, kugumana imbaraga ≥ 50%).
Genzura ibisubizo by'ikizamini cy'insinga z'umuriro (IEC 60695-2-12, 850°C, amasegonda 30, nta muriro w'umuriro urimo).
Emeza igipimo cyo kugereranya (CTI ≥ 600 V, PLC 0, IEC 60112 mu bipimo 5).
Emeza ubushobozi bwo kurwanya arc (≥ 120 s, ASTM D495, ingero 3).

Ihuzabikorwa ry'amategeko: Uretse ibisobanuro bya tekiniki, ishyirwa ku isi hose risaba gukurikiza amabwiriza y’ibidukikije n’umutekano. Ibikoresho byose bigenzurwa kugira ngo bigenzurwe Amabwiriza ya RoHS kubahiriza amategeko, Amabwiriza agenga REACH amahame ngenderwaho, kandi bishingira ku Ikimenyetso cya CE ku bufatanye bw'ubukungu bw'ibihugu by'i Burayi. Dutanga kandi ibimenyetso byihariye by'ishusho nka Utugarurarumuri (Umuhondo / Umutuku / Uzengurutse) kugira ngo byuzuzanye n'ibishushanyo mbonera by'aho umutekano uherereye.

3. Gahunda yo Gushaka Isoko n'Ubuziranenge

Amatsinda ashinzwe gutanga amasoko agomba kuva ku kugura ibintu bishingiye ku bicuruzwa akajya ku isoko rishingiye ku bwizewe. Emeza ibi bikurikira by'ingenzi mbere yo kurangiza amasezerano y'isoko kugira ngo urebe neza ko urunigi rwawe rw'ibicuruzwa rufite ubwirinzi ku guhomba kw'ubutaka mbere y'igihe:

(a) Gufata Torque ya Screw

Igomba kwihanganira ubushyuhe bwa 1.000, imbaraga zo gufunga zisigaye ≥ 80%, kandi ubushobozi bwo guhangana na yo bube

(b) Ubukomere bw'ibikoresho byo mu kago

Bisaba amanota ya HV 110–130. Bigomba kwihanganira torque 500 mu gihe bigumana imbaraga zo gufunga ≥ 90%.

(c) Kuramba kw'ubushyuhe

Ikoreshwa rya UL 746B TI 105°C, igeragezwa ry'insinga z'urumuri kuri 850°C, CTI 600 rating, hamwe n'ubudahangarwa bw'umurambararo ≥ 120 s.

(d) Iyubahirizwa ry'amategeko agenga ikoreshwa ry'ibipimo n'ishyirwa mu bikorwa ry'ibipimo

Igomba kuba ifite icyemezo cya UL 94 V-0, RoHS, REACH, CE, CQC, na UL scope. Ingano y'umugozi ikoreshwa mu gupima ubushyuhe igomba kuba Sn ≥ 2 μm, Ag 0.1 μm hamwe n'uburyo bwo gusonerwa mu cyiciro cya 3.

4. Ibibazo Bikunze Kubazwa ku Bucuruzi ku Ruhare rw'Abakiriya

Ni iyihe MOQ ya OEM ku bice bya terminal byihariye (5.08 mm pitch, position 12, screw type, UL V-0) ifite ikimenyetso cy’ibanga?

OEM MOQ ni ibice 1.000 kuri buri shusho ku bikoresho bisanzwe biriho. Ibara ryihariye (RAL matching) risaba nibura ibice 2.000 hamwe n'igihe cyo kuvanga imvange mu minsi 10. Ikimenyetso cya laser cyihariye (ikirango cyangwa nimero y'igice) ni ibisanzwe ku bice ≥ 500. Icyemezo cya UL V-0 kirimo ku buryo bwose ku bicuruzwa byose byatumijwe kugira ngo habeho umutekano wo hejuru.

Ese ushobora gutanga raporo z'ibizamini bya UL 94 V-0 bigabanya umuriro hamwe n'amakuru ya IEC 60695 y'insinga z'umuriro kugira ngo ukoreshe UL508A yacu?

Yego rwose. Dutanga serivisi zirambuye Igipimo ngenderwaho cya UL 94 cyo gutwika Raporo z'ibizamini (5VA cyangwa V-0, ingero 5, igihe cy'umuriro ≤ amasegonda 10) byemejwe na UL cyangwa SGS. Byongeye kandi, dutanga IEC 60695-2-12 Insinga z'umuriro Raporo z'ibizamini (850°C, amasegonda 30, nta muriro) zuzuye hamwe n'igenzura ry'imikorere y'amashanyarazi mbere na nyuma y'ikizamini. Inyandiko zose zikubiyemo amakuru ajyanye no gupima akenewe na NIST kugira ngo hakorwe igenzura rikomeye.

Ni iyihe miterere y'igihe cyo gutangira gukoresha porogaramu ivanze y'ibice 10.000 (imirongo ya terminal + imitwe ya pin + amasoko ya IDC) kugira ngo ikoreshwe mu gukwirakwiza ibikoresho mu buryo bwikora?

Uburyo bwacu bwo gukora ibintu bugezweho cyane: Guteranya ibyuma mu buryo bwihuse bisaba iminsi 8; gusiga no gusiga neza ibyuma bisaba iminsi 5; guteranya burundu no gupima amashanyarazi 100% bisaba iminsi 3. Igihe cyose cyo gukora ni iminsi 16-18 FOB Ningbo, ifite ubushobozi bwo gutunganya amakontena 40 HQ, ishobora gutwara ibice 50.000 kuri buri mutwaro nta kibazo.

Ni gute wakwirinda ko plaque yangiza ibidukikije no kwangirika kwa UV mu gihe cyo kohereza ibicuruzwa mu masoko yo mu turere dushyuha?

Dukoresha uburyo bwo gupakira mu rwego rwa gisirikare. Ibice bya terminal bishyirwa mu gipfunyika kimwe kimwe mu buryo bwa anti-static PE hamwe n'udupaki tw'amavuta akoreshwa (1 g kuri buri gipimo). Imitwe y'udupira ihambirwa mu dupaki tw'udupira tw'amabara dukoresheje imifuka ya silica-gel (5 g kuri buri gipfunyika). Amakarito akomeye afite ibikoresho byo kugenzura ubushuhe kandi apfunyitse neza kugira ngo ISPM-15 Ipakiye ku mbaho Amapaleti yujuje ibisabwa. Byongeye kandi, ibikoresho byose byo gupfunyikamo birabagirana cyane, bigatuma birindwa ahantu hashyuha cyane kandi harangwa n'ubushuhe bwinshi.

5. Guhamagarira B2B mu buryo buhamye

Ntukemere ko ibikoresho bidafite ubuziranenge bibangamira sisitemu zawe zo kugenzura inganda. Hamagara itsinda rya J-Guang ry’abahanga mu by’ubucuruzi uyu munsi kugira ngo usabe serivisi yuzuye. Dosiye ya tekiniki y’ubwirinzi bw’amashanyaraziIyi paki yuzuye ikubiyemo raporo zo kubika torque ku gice cy'inyuma, amakuru yerekeye ubukana bw'ibikoresho byo mu kabati, ibyemezo by'ibizamini by'insinga z'umuriro, n'ibiciro byihariye bya buji byagenewe ingano y'ibikoresho byo kugenzura.

Twandikire - J-GUANG