Me kuka sani game da screw famfo?

ST famfo, da ake amfani da sarrafa bakin karfe dunƙule hannun riga hawa rami na musamman famfo, kuma aka sani da dunƙule hannun riga na musamman famfo, (inda "ST" aka rage daga" dunƙule thread "), Tsarin size daidai da na kasa misali "lafiya rike inji da hannu waya" GB3464-83 da sauran matsayin masana'antu, za a iya amfani da inji ko hannu.

ST famfo bisa ga kewayon amfani za a iya raba haske gami inji, hannu famfo, talakawa karfe inji, hannu famfo, musamman famfo iri uku.

1. Na'ura mai haske, famfo ta hannu: ana amfani da ita don ƙara kayan ƙarfe marasa ƙarfe irin su aluminum, magnesium alloy da jan ƙarfe na jan karfe, filin wasa bai wuce 2.5mm don famfo guda ɗaya ba, kuma farar ya fi ko daidai da 2.5mm don famfo biyu. Hanyar yin alama: STd × pST shine lambar don zaren ciki na musamman na hannun rigar waya. Alamar alama: Musamman famfo don machining da hawa 8 × 25 karfe waya dunƙule hannun riga kasa rami thread a kan haske gami, alama ST8 × 1.25;

2. Na'ura na yau da kullum, famfo ta hannu: ana amfani da shi don sarrafa karfe, simintin ƙarfe, simintin ƙarfe da sauran kayan ƙarfe akan zaren ciki, famfo biyu ne;

3. Tap na musamman: Dangane da bukatun masu amfani don tsarawa da kera nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan zaren kasa na famfo, irin su aluminum mai laushi, na'urar bugun jan ƙarfe, fam ɗin hannun hannu, famfo guda na yau da kullun na ƙarfe na ƙarfe, famfo bakin karfe, fakitin lebur don ramukan makafi, karkace tsagi famfo, dunƙule tip famfo, da dai sauransu.

Zaɓin ST famfo:

1. Matsa sarewa madaidaiciya. Ƙarfin yana da ƙarfi sosai, ta ramuka ko ramukan makafi, ana samun ƙarfe mara ƙarfe ko ƙarfe na ƙarfe, farashin kuma yana da arha.

2. Karkace sarewa famfo. Ya fi dacewa don sarrafa zaren rami makafi, kuma ana fitar da kwakwalwan kwamfuta a baya yayin sarrafawa. A cikin sarrafa baƙin ƙarfe, an zaɓi kusurwar helix ƙasa da ƙasa, kusan kusan digiri 30, wanda zai iya tabbatar da ƙarfin haƙoran helix. A cikin sarrafa karafa da ba na ƙarfe ba, an zaɓi Helix Angle ƙasa da girma, gabaɗaya kusan digiri 45, ta yadda yankan zai iya zama mai kaifi.

3. Samar da famfo. Ya fi dacewa da sarrafa karafa da ba na ƙarfe ba, musamman simintin gyare-gyare na aluminum, waɗanda galibin zaren ciki ne da aka samu ta hanyar extrusion ƙarfe, nakasawa da nakasawa. Extrusion forming tsari ne wanda ba yankewa ba, ramin zaren da aka sarrafa ta hanyar samar da extrusion yana da tsayi mai tsayi da ƙarfi, kuma roughness na injin da aka yi shi ma ya fi kyau, amma rami na ƙasa na famfo extrusion yana buƙatar mafi girma, da girma, kuma ƙarfin bai isa ba; Ƙananan ƙananan yana da sauƙi don karya famfo.

Yin amfani da ST tap ya haɗa da matakai guda hudu masu zuwa, ya kamata a lura cewa a cikin dukan tsari don tabbatar da tsabta da daidaito, don samun babban rami mai zaren.

1. Haɗa ramuka: Yi amfani da madaidaicin rawar soja don haƙa ramuka a zurfin mafi girma ko daidai da zurfin shigar hannun riga. Yi hankali don kada ramin ya zama siffar mazugi, kuma kwakwalwan kwamfuta ba su fada cikin rami ba. Bayan hakowa, countersink bai kamata ya wuce zurfin farar 0.4 ba, saboda girma da yawa ba shi da amfani don dunƙule cikin hannun riga.

2. Taɓa: Yi amfani da famfo na musamman don screw sleeve da aka yiwa alama da ƙayyadaddun zaren zare don taɓawa. Tsawon famfo dole ne ya wuce tsawon hannun rigar, kuma ga duk ta ramuka, famfo. Daidaitaccen bugun bugun yana ƙayyade yankin haƙuri na daidaitaccen ramin ciki na ƙarshe, don haka mai amfani yana buƙatar zaɓar hanyar bugun da lubrication daidai. Lokacin buga ramukan makafi, yakamata a yi amfani da karfi da ya dace don hana fasa famfo. Bayan an latsa, sai a tsaftace ramukan da aka zare, gaba daya a wanke tare da matse bindigar feshin iska, haka nan a tsaftace makafi daga kasa sama ta hanyar amfani da dogon bindiga mai feshi mai ramuka, sannan kuma za a iya tsaftace ramukan da zaren ta hanyar tsaftacewa. Lokacin da madaidaicin rami mai zaren ya yi girma, ana amfani da ma'aunin toshe hannun riga na musamman don dubawa.

3. Shigarwa: Shigarwa tare da taimakon maɓalli na musamman don dunƙule hannayen riga. Gabaɗaya, ana amfani da masu sakawa na hannu don shigar da hannun riga. Saka hannun rigar dunƙule a cikin kayan aikin shigarwa, don haka an saka hannun shigarwa a cikin ramin sandar jagora, kunna kayan aikin shigarwa don dunƙule hannun rigar dunƙule cikin rami mai dunƙule, kuma barin 0.25-0.75 juya zaren fanko daga saman. Lokacin da aka shigar da ƙananan hannun rigar dunƙule kuma an shigar da hannun rigar haƙori mai ƙarfi a sama da M14 × 2, ana iya amfani da kayan aiki mai sauƙi don shigar da madaurin T-dimbin ramuka ko zaren kai, kuma ku yi hankali kada ku yi amfani da babban ƙarfin axial a kan dunƙule hannun rigar haƙori don hana bazuwar ƙulla.

4. Cire hannun wutsiya: wannan shine mataki na ƙarshe na shigar da hannun riga, amma kuma mataki mai mahimmanci. Don cire hannun wutsiya shine tabbatar da amfani na yau da kullun na dunƙule hannun riga da tsawaita rayuwar sabis.

Matsalolin bugun ST tap:

(1) Zaɓin ramin rami na ƙasa ya yi ƙanƙanta: bisa ga canjin kayan tushe tare da madaidaicin diamita.

(2) Mummunan lalacewa na bit yana kaiwa ga haƙon rami na ƙasa

(3) A cikin mazugi: canza zuwa sabon rawar soja.

(4) Ramin kasa yana murgudawa: Ramin kasa ya kwashe.

(5) Zaɓaɓɓen famfo bai dace da kayan tushe ba: canji

(6) Yi amfani da famfo mai dacewa da kayan tushe.

(7) Wanda ya haifar da kai tsaye amfani da mazugi: Da farko amfani da mazugi mai aiki.

(8) Tufafin yana sawa sosai

(9) Duba tare da waya dunƙule hannun riga na musamman ciki thread kasa rami toshe ma'auni, idan ma'auni ba ta, canza zuwa wani sabon famfo.

(10) Lokacin bugawa, taɓa da ƙasa

(11) Hole daban-daban zuciya: daidai aiki.

Abin da ke sama shine cikakken gabatarwar ga fam ɗin ST, idan kuna da tambayoyi da buƙatu, da fatan za a tuntuɓe mu kowane lokaci.