Ukubekezelela nokutholwa kokubopha intambo
Inhloso yalesi sahluko ukuqonda izici zokuguquguquka kwentambo evamile kanye nokusetshenziswa kwamazinga okubekezelelana.Isidingo sokufunda siwukuqonda umthelela wamaphutha amakhulu wejometri wentambo evamile ekushintsheni;Misa umqondo wobubanzi besenzo somucu;Ngokuhlaziya ukusatshalaliswa kwendawo yokubekezelela intambo, phatha kahle izici zokubekezelela intambo evamile kanye nokufaneleka kanye nokukhetha kokunemba kwentambo;Qonda izinto ezithinta ukunemba kokususwa kwesikulufu somshini.
Uhlobo lwentambo kanye nezidingo zokusebenzisa
1, intambo evamile
Ivamise ukubizwa nge-fastening thread, isetshenziswa ngokuyinhloko ukuxhuma nokubopha izingxenye ezihlukahlukene zemishini.Izidingo zokusetshenziswa kwalolu hlobo lokuxhuma okufakwe imicu yi-screwability (ukuhlanganiswa okulula nokuhlakazeka) nokuthembeka kokuxhuma.
2. Shayela intambo
Lolu hlobo lwentambo ngokuvamile lusetshenziselwa ukudlulisa ukunyakaza noma amandla.Ukusetshenziswa koxhumano olunentambo kudinga ukwethembeka kwamandla adlulisiwe noma ukunemba kokufuduka okudlulisiwe.
3. Intambo eqinile
Lolu hlobo lwentambo lusetshenziselwa ukuhlanganisa amalunga.Ukusetshenziswa kwezidingo zentambo kuqinile, akukho ukuvuza kwamanzi, akukho ukuvuza komoya futhi akukho ukuvuza kukawoyela.
5. Isilinganiso somucu
1. Ukulinganisa okuphelele
Ukuhlola intambo ngegeji yentambo kuyisilinganiso esibanzi.Emkhiqizweni weqoqo, intambo evamile isetshenziswa indlela yokulinganisa ebanzi.Isilinganiso esibanzi senziwa kusetshenziswa igeji yentambo (igeji yokulinganisa ebanzi) ngokwemibandela yokufaneleka kobubanzi bentambo eyethulwe ngaphambili (isimiso sikaTaylor). igeji yokukala intambo ihlukaniswe “igeji yokudlula” kanye “negeji yokumisa”.Uma kuhlolwa, "i-pass gauge" ingajiya ngempumelelo i-workpiece, futhi "i-stop gauge" ayikwazi ukugoqa noma isikulufu esingaphelele, bese intambo ifaneleka.Ngokuphambene nalokho, "i-pass gauge" ayikwazi ukujikeleza, ebonisa ukuthi i-nut incane kakhulu, i-bolt inkulu kakhulu, futhi intambo kufanele ilungiswe.Lapho "i-stop gauge" ingadlula ku-workpiece, kusho ukuthi i-nati likhulu kakhulu, i-bolt incane kakhulu, futhi intambo iwumkhiqizo wokulahlwa.
2. Ukutholwa okukodwa
(1) Ukulinganisa ububanzi bomucu ngendlela yamaphini amathathuIndlela yezikhonkwane ezintathu isetshenziswa kakhulukazi ukukala ububanzi obubodwa obuphakathi kwemicu yangaphandle enembayo (njengamageji epulaki yentambo, imicu yesikulufu sokuhola, njll.).Ngesikhathi sokulinganisa, beka izinaliti zokulinganisa ezinembayo ezintathu ezinobubanzi obufanayo emiseleni yochungechunge olulinganisiwe ngokulandelana, futhi usebenzise ithuluzi lokulinganisa elibonakalayo noma lomshini ukuze ulinganise ibanga lenaliti engu-M, njengoba kuboniswe kuMfanekiso 9-9 (a).Ngokwephimbo elaziwayo elingu-P lentambo elinganisiwe kanye nengxenye ye-Angle a/2 yohlobo lwezinyo, u-d2 omaphakathi ophakathi nendawo owodwa wentambo elinganisiwe ubalwa ngokucindezela ifomula.
2. Ukulinganisa okukodwa
Ngemicu evamile yosayizi omkhulu, izintambo ezinembayo kanye nezintambo zokushayela, ngaphezu kokujikeleza nokuthembeka kokuxhumeka, kunezinye izidingo zokunemba nokusebenza, futhi isilinganiso esisodwa ngokuvamile sisetshenziswa ekukhiqizeni.
Ziningi izindlela zokukala intambo eyodwa, ejwayeleke kakhulu ukusebenzisa isibonakhulu sethuluzi lomhlaba wonke ukukala ububanzi, iphimbo kanye nengxenye ye-Engeli yochungechunge.I-microscope yethuluzi isetshenziselwa ukukhulisa iphrofayili yentambo elinganisiwe futhi ikalwe ukuphakama kwayo, i-Angle enguhhafu kanye nobubanzi obuphakathi ngokuvumelana nesithombe sentambo elinganisiwe, ngakho indlela ibizwa nangokuthi indlela yesithombe.
Ekukhiqizeni kwangempela, indlela yokulinganisa yezikhonkwane ezintathu isetshenziselwa ukukala ububanzi obuphakathi bomucu wangaphandle.Le ndlela ilula, inembile yokulinganisa futhi isetshenziswa kabanzi
Isifinyezo esifushane
1. Intambo evamile
(1) Amagama ayinhloko kanye nemingcele yejometri yezintambo ezijwayelekile yilezi: uhlobo lwamazinyo ayisisekelo, ububanzi obukhulu (D, d), ububanzi obuncane (D1, d1), ububanzi obuphakathi (D2, d2), ububanzi obuphakathi obusebenzayo, ububanzi obuphakathi obubodwa ( I-D2a, i-d2a) ububanzi bangempela obuphakathi, iphimbo (P), uhlobo lwezinyo I-engeli (a) nohlobo lwezinyo I-engeli enguhhafu (a/2), nobude bezikulufu.
(2) Umqondo wobubanzi obumaphakathi besenzo nezimo zokufaneleka zobubanzi obumaphakathi
Ubukhulu bobubanzi obuphakathi obusebenzayo buthinta i-spinability, futhi ubukhulu bobubanzi bangempela obuphakathi buthinta ukuthembeka kokuxhumeka.Ukuthi i-diameter emaphakathi ifanelekile noma cha kufanele ilandele isimiso sika-Taylor, futhi kokubili ububanzi bangempela obumaphakathi kanye nobubanzi obuphakathi obusebenzayo kulawulwa ngaphakathi kwendawo yokubekezelela yobubanzi obuphakathi.
(3) Izinga elivamile lokubekezelela intambo Esilinganisweni sokubekezelela intambo, ukubekezelelwa kwe-d, d2 kanye no-D1, D2 kucacisiwe.Amazinga abo okubekezelelana aboniswa kuThebula 9-1.Akukho ukubekezelelana okucacisiwe kohlobo lwephimbo kanye nezinyo (okulawulwa indawo yokubekezelela ububanzi obuphakathi), futhi akukho ukubekezelelana okucacisiwe ku-diameter encane d yentambo yangaphandle kanye nobubanzi obukhulu D bentambo yangaphakathi.
(4) Ukuchezuka okuyisisekelo Emicu yangaphandle, ukuchezuka okuyisisekelo ukuchezuka okuphezulu (ama), kukhona u-e, f, g, h izinhlobo ezine;Ngemicu yangaphakathi, ukuchezuka okuyisisekelo ukuchezuka okuphansi (El), kunezinhlobo ezimbili zika-G kanye no-H. Ibanga lokubekezelela kanye nokuchezuka okuyisisekelo kuhlanganisa indawo yokubekezelela intambo.Izinga likazwelonke licacisa indawo evamile yokubekezelelana, njengoba kukhonjisiwe kuThebula 9-4.Ngokuvamile, indawo yokubekezelela ekhethwayo ecaciswe etafuleni kufanele ikhethwe ngokusemandleni.Ukukhethwa kwezindawo zokubekezelelana kuchazwe kulesi sahluko.
(5) Ubude besikulufu nebanga lokunemba
Ubude besikulufa sesikulufa buhlukaniswe ngezinhlobo ezintathu: ezimfushane, eziphakathi nendawo nezinde, ezikhonjwa ngekhodi S, N kanye no-L, ngokulandelana.Amanani akhonjiswe kuThebula 9-5
Uma izinga lokubekezelela intambo lilungisiwe, uma ubude be-screw, ubude be-pitch obukhulayo buphakama futhi uhhafu wezinyo ukuchezuka kungase kube ukuchezuka.Ngakho-ke, intambo ngokwezinga lokubekezelela kanye nobude besikulufa inamazinga amathathu okunemba: ukunemba, okuphakathi nokumangelengele.Ukusetshenziswa kwezinga ngalinye lokunemba kuchazwe kulesi sahluko.Ngezinga elifanayo lokunemba, izinga lokubekezelela intambo kufanele lincishiswe ngokunyuka kobude bokuphotha (bheka Ithebula 9-4).
(6) Ukumakwa kwemicu emdwebeni kukhonjisiwe kokuqukethwe kulesi sahluko.
(7) Ukutholwa kwemicu kuhlukaniswe ukutholwa okuphelele nokutholwa okukodwa.
Isikhathi sokuthumela: Sep-20-2023