Ana kiran na'ura mai sausaya da ake amfani da ita don jujjuyawar juzu'i mai motsitashi shear.Tare da ci gaba da ci gaba da ci gaba da injin farantin karfe na mirgine, sashin ƙarfe na ƙarfe da injin billet ɗin billet da haɓaka haɓakar haɓakar tashi sama, aikace-aikacen ƙwanƙwasa yana ƙara ƙaruwa.Akwai nau'ikan shears masu tashi da yawa, waɗanda aka fi amfani da su: faifai mai tashi sama, ganga mai tashi biyu, crank rotary da pendulum flying shears.
1. Disc yawo shears
Irin wannan shears mai tashi sama ana amfani da su a cikin ƙananan bita na birgima.Ana shigar da shi a gaban gadon sanyaya don yanke kayan jujjuyawar don kada abin da ke shiga cikin gadon sanyaya ya yi tsayi sosai;ko kuma an shigar da shi a gaban injin ɗin da ake gamawa don yanke juzu'i don tabbatar da aikin jujjuyawar injin ɗin na gamawa.ya tafi lafiya.Shear mai tashi ya ƙunshi nau'i-nau'i biyu ko fiye da nau'i-nau'i masu siffar diski, kuma axis na diski yana daidai da saurin karfe.Lokacin da shear ya kasance a matsayin asali, karfe yana ci gaba tare da mashigin shiga zuwa hagu na shear.Lokacin da karfe ya yi aiki a kan maɓallin tuta ko jagorar haske, jagorar shigarwa da karfe suna jujjuya su zuwa dama, kuma ƙarfe yana shiga tsakiyar fayafai guda biyu don yankewa.Bayan da aka saukar da ƙananan ruwa, magudanar ta dawo da karfen zuwa matsayinsa na hagu na asali, bayan haka ƙananan ruwa ya sake tashi.Lalacewar irin wannan nau'in juzu'i mai tashi shi ne cewa ƙwanƙwasa ba ta da tushe, amma ba ta da wani tasiri a kan yanke da aka yanke kafin yanke kan ko gadon sanyaya.Saboda wannan na'ura mai juzu'i yana da aminci a cikin aiki, mai sauƙi a tsari, kuma yana da saurin yankewa fiye da 10m / s, ana amfani dashi sosai a cikin ƙananan wuraren bita.
2. Dubu-dubu mai tashi shears
ganga biyutashi shearsana amfani da su sosai a cikin ɓangarorin ƙarfe da faranti na ƙarfe a cikin motsi.Ka'idar aiki ita ce kamar haka: A kan ganguna guda biyu masu jujjuya, wukake biyu suna daidaitawa.Kayan nadi da ke tafiya tare da tebur ɗin abin nadi yana yanke da ruwan wukake biyu waɗanda ke haɗuwa lokacin wucewa ta tsakiyar rollers biyu.Gudun gefen ruwa yakamata ya zama ɗan girma fiye da saurin motsi na juzu'in, in ba haka ba juzu'in jujjuya zata lanƙwasa a ƙofar shiga lokacin da ake yi shearing.Lalacewar irin wannan nau'in juzu'i mai tashi shine cewa sashin ba ya santsi lokacin da ake yin juzu'i mai kauri (yana da tasiri mai girma akan sassun siraran birgima);a lokacin da yankan faffadan faranti na karfe, ƙarfin shear yana da girma.Sabili da haka, ana amfani da wannan shear mai tashi don yanke ƙananan sassa da zanen gadon juzu'i mai sauri.
Na'urar yanke shi yana kunshe da hanyar haɗin kai mai sanduna huɗu, kuma ɓangarorin yana motsawa a cikin wani madaidaicin jirgin sama a yankin yanki kuma yana daidai da saman juzu'in.Sabili da haka, sashin da aka yanke na birgima ya kasance madaidaiciya.Tsarin juzu'i na juzu'in tashi ya ƙunshi abin riƙe kayan aiki, hannun riga da sandar lilo.Sauran kayan aikin yana cikin siffar lever, ɗayan ƙarshen wanda aka kafa a kan hannun rigar eccentric, ɗayan kuma an haɗa shi da sandar juyawa.Ƙaƙwalwar fulcrum na sandar lilo yana rataye zuwa ginshiƙi.Lokacin da eccentric sleeve (crank) yana juyawa, mariƙin kayan aiki yana motsawa cikin fassarar, kuma ruwan da aka ɗora akan mariƙin kayan aiki na iya zama daidai ko kusan daidai da aikin.Lokacin yanke faranti na karfe, ana iya amfani da wuka mai kaifi don rage karfin juzu'i.Rashin lahani na wannan juzu'i mai tashi shine tsarin yana da rikitarwa, halayen nauyin nauyin kayan aiki na kayan aiki mara kyau, kuma saurin motsi na ruwa ba zai iya zama da sauri ba.Gabaɗaya ana amfani da shi don yanke faranti mai kauri ko ƙarfe.
4. Pendulum tashi shears
Irin wannan shears na tashi a wasu lokuta ana amfani da su a cikin ƙetare jiragen ƙasa a ci gaba da bitar aikin injin ƙarfe.Har ila yau, ruwan wannan shear mai tashi yana motsawa a cikin fassarar, kuma ingancin farantin yankan ya fi kyau.Ana gyara mariƙin kayan aiki na sama akan firam ɗin lilo.An goyan bayan firam ɗin lilo a kan eccentricity na babban shaft.Akwai nau'i-nau'i guda biyu na eccentrics a kan babban shaft, kuma sauran nau'i-nau'i na eccentrics an haɗa su tare da ƙananan kayan aiki suna hutawa ta hanyar haɗin haɗi, kuma ƙananan kayan aiki na iya zamewa a cikin kullun na firam ɗin lilo.Tun da nau'i-nau'i biyu na matsayi na eccentric akan babban shaft sun bambanta da 180°, Lokacin da babban shinge ya juya, kayan aiki na sama ya sauko tare da firam, kuma ƙananan kayan aiki ya tashi don kammala aikin yanke.Koyaya, zai iya yanke kayan mirgina kawai.Domin samun damar yanke kayan mirgina mai motsi, ya zama dole a ba da damar firam ɗin lilo don juyawa da baya.Ƙarƙashin ɓangaren firam ɗin lilo yana haɗe tare da sandar eccentric, kuma dabaran eccentric yana ɗora akan gatari na baya.An haɗa axle na baya zuwa babban mashigin ta hanyar pinions, racks da fayafai masu aiki tare.Lokacin da babban igiya ke juyawa, firam ɗin na iya jujjuya baya da gaba tare da babban shaft ɗin a matsayin tsakiya ta hanyar faifan aiki tare, rack, pinion da eccentric haɗin haɗin gwiwa akan gatari na baya.A wannan lokacin, mariƙin kayan aiki yana motsawa a cikin fassarar don gane aikin yanke juzu'i na juzu'i mai tashi.Matsayin injin daskarewa a cikin injin mirgina ba matsayi mai mahimmanci ba ne, amma yana taka muhimmiyar rawa a cikin daidaito da siffar da aka gama.Daban-daban nau'o'in mirgina suna buƙatar zaɓar madaidaicin tsalle-tsalle masu tsalle-tsalle, domin dukan layin samarwa na iya cimma burin.girman da daidaito.
Lokacin aikawa: Satumba-15-2022