Yini okufanele kwenziwe ukuhlola ukubhorenga okuphelele kwezinsimu ezikhiywe yimishini entsha yezinsimu

Ukuzivocavoca Ukuphepha Kwezinkamba Ngokwesikhathi Sokuvocavoca Komshini Wokwenza Izinkamba

Ukuvocavoca okuphela kwezinkamba zentsha kusiza ukuthi kubuyisele kuqinisekisa ukuthi kuyasebenza ngokuphepha kakhulu kwezinhlobo zokusebenza. Ukuzivocavoca ukuphepha kwezinkamba kuyisibopho sokuvocavoca, sifocusa kumaqondo amathathu amahle okwesikhathi sokugcina nokuphepha kwezinhlobo zokusebenza.

Ukubala Umkhakha Wokuphepha: Ukuphepha Kwesikhathi Sokugcina, Ukuphepha Kwesikhathi Sokugcina, Isiphakade Sendlela Yokuqala

Ukuvocavoca ukuphepha kwezinkamba kususwa ngamaqondo amathathu amahle okwesikhathi sokugcina okuyizindlela zokusebenza zezinkamba.

• I-Pitch (umkhawulo wokugcina) kubhalwa ngokusebenzisa isistimu yokubona noma isistimu yokubona ngokwezinye izinkampani ukuze kuvunyelwe umkhawulo othile phakathi kwezinkampani ezenzekayo. Noma yikuphi okukhulu kwe-0.001″ kungathintela umkhawulo wokugcina ngokuphakeme kwe-2–3% emizimbeni yezinkampani ezinamandla.
• Ukuphepha kwesihlangothi kuchaza ukuthi izihlangothi zokugcina zezinkampani zokugcina ziyaphakama kusuka kumkhawulo wokugcina. Isithelo sokuphepha noma isithelo sokubala sokuphepha sibonisa ukuthi umkhawulo akakwazi ukuphika kwe-0.002″—lokhu kuyisikhundla esibalulekile ukuthi sizimele ukuthi zingabulawa ngokuzimela.
• Isifuba sezihlangothi kwezinkampani zokuzimela kubhalwa ngokusebenzisa isistimu yokubala yezindawo (CMM) noma isithelo sokubala sesifuba, kubonisa ukuthi isifuba sokuzimela sifanana nomodeli we-CAD ngokuphakeme kwe-±0.5°.

Kukhona ukuthi amaspring okukhupha kubangela ukuthi umthwalo awabalekane ngokufanayo futhi kubangela ukuthi amaspring abuyelela kahle; ukukhulula kwesibopho sokugqamisa kwenza amandla okusuka emva ayisize kubuyela kahle kwezinto ezihambelana nazo; ukungafanele kwesikhathi sokugqamisa kubuyelesa umthwalo wokugqamisa kwezindlela zokusebenza njengezindlela zokuvula nezindlela zokumela izinyembezi. Kungenzeka ukuthi kubhekwa ngokuzimela kwe-CNC noma ngokuzimela, lezi zibhekelo ziyasebenza njengesibhekelo sokuqala sokubonisa ukuthi ukugqamisa kwenziwe ngokuphelele phambi kokubhekwa kokusebenza kwamaspring. Ukubhekwa kwezinye zezinto ekuqaleni kubonisa ngokodwa iziphoso zokuhlelwa, ukubuyela kahle kwamathooli, noma iziphoso zokuphatha kweprogram. Ngokulinkisa ngisho yilokho lokubhekwa kwe-geometric nokuthi kuyenzeka kanjani ekusebenzeni, abengineya bakhuthaza ukuthi imishini iyakwazi ukudala ngokuphelele kwezinye zezindawo zokusebenza—futhi bagenerele izindlela zokubhekwa zokwakhiwa kwe-SPC.

Ukubhekwa Kwesikhathi Sokugqamisa Kwesikhathi Sokugqamisa Kwesikhathi Sokugqamisa (±0.001″) Ngokulingana Ne-ISO 2690 Nase-ASTM A679

Ukuhlungiselela ukuthi imishini ye-CNC yokudala amaspring ayisifundo eshiyekile kufuneka kubhekwe ngokulinganisa ngamastandadi ezingaphakathi nezinhlobo zemithombo. ISO 2690 iyachaza izikhundla zokulungiswa kwezinsizakalo zokuphepha nokukhanya—kungakhathalisi ukuguquka kwesilinganiso sokuphepha, ubude bekholi, nokuphepha kokugcina—futhi ASTM A679 iyabuyisela iwire yezinkolo eziningi zokuphepha esebenzisa izinkolo eziningi, ekuvumelana ukuthi isilinganiso sokuphepha nokukhanya kuyasebenza ngokuphelele futhi kuyadlula ukuthi kuyathuthukisa ukuthi kwenziwe ngokuphelele. Imishini eyalungiswa ukuthi iphinde iphinde ngokuphelele ngokuphakeme kwe-±0.001″ kufuneka ikhombise ukuthi iphinde iphinde ngokuphelele ngamastandadi awa.

Ukubhalwa kwe-protocol yokuvavanya kuyenza ngokwenza isampulu esikhulu kakhulu esebenzisa iziqu—okukodwa 30 ku-50 iziqu—ngokwesibonelo esisha. Isiqu sonke sithathwa ukubhalwa kwe-CMM oqondana izinga zeziqu zokwesibonelo ngeziqu zokwesibonelo se-CAD. Izindikimba zokusebenza zika-Cp ne-Cpk zihlanganiswa kwezinto ezibalulekile kakhulu njengoko kwe-pitch neziqu zokuphela kwendawo yokugcina; i-Cpk ≥ 1.33 iyavumisa ukuthi umsebenzi uyaphakanyiswa ngokuphelele futhi uyasebenza ngokuphelele ngokwesilinganiso. Uma iziphumo zihamba ngaphezulu kuka-±0.001″, izizwe zokubhekwa—njengokungafane kweziqu zokuhambisa okanye ukuphatha kweziqu zokusebenza—zihlola kanye zihlolwa. Le ndlela eyenziwa ngokwesilinganiso ayisivumelwano sokubhalwa kwezinto ezibalulekile kakhulu kodwa ayisebenzisa ukubhalwa kwezinto ezinokubonwa ngokwesibonelo esifunekayo ukuvumela umsebenzi wokukhokha okanye ukufanele kwezinkinga zokuzilungiselela. Ukuxhumana ukusebenza kweziqu ngokuphelele nesilinganiso se-ISO 2690 sokulinganisa iziqu futhi nesilinganiso se-ASTM A679 sokulinganisa iziqu zokusebenza kusobala ukulinganisa iziqu ngokuphelele, okusiza ukuthi sibe nesibonelo esikhulu sokuphinda sibuye emsebenzini wokulayisha iziqu.

Ukuvavanya Kwemisebenzi Yeziqu Yokusebenza Kweziqu

Ukubonisa Ukukhula Kwesithunzi Ne-Load Capacity Ne-Spring Rate Ngokusebenzisa Ukuzimela Kwezinkinga Zokufaka

Inqaba entsha yokusuka kufanele ibe yisibonelo sokusebenza ngokuphelele ukuze isebenze ngokufanele kwezindlela zokwakha. Ukuzimela kwezinkinga zokufaka kuyisiphatho esisodwa sokubonisa ukukhula kwesithunzi ne-spring rate. Ngokusebenzisa i-universal testing machine ephakanyisiwe, amandla ayafakwa ngamaphuzu okugcina ngokuphelele ngokuthatha iziphazimboni zokuguquka. I-spring rate—ukuphakanyisa kwesiqondiso sezinkinga zokufaka nezinkinga zokuguquka—kubonisa ukungabonakali kokuphakanyisa, ukuphakanyisa kwezinkinga, noma ukuguquka okukhulu kwezinkinga. Kukusebenzisa izinkinga eziningi, ukuguquka okuncane kuphela kuyakhipha ukungasebenzi kwezinkinga. Ukuzimela kwezinkinga ezikhona kubonisa ukuthi inqaba ibe yisibonelo sokusebenza ngokuphelele ukuze ibe yisibonelo sokusebenza ngokuphelele. Isibonelo sokuboniswa kuyizinkinga zokufaka zokuboniswa kuyi-%5 zokufaka okuphakathi. Uma kubonakala ngokubonakala kwezinkinga zokufaka, inqaba iyakwakha izinkinga zokufaka ngokuphelele—ukuphakanya izinkinga ngokuphelele ngaphandle kokusebenzisa izinkinga.

Ukubhalwa Kwesolid Height ne-Load-at-Height Ngokwesiqondiso sika-DIN 2091

Isolid height nalo-load-at-height kubalungile kakhulu ekhusekeni, ekuphakanyeni kwesikhundla sokugcina, nokuphakama kwesikhundla sokusebenza. I-DIN 2091 isinikeza izimo zokuzilima ezisemiselwe ngokuphelele kubabili labo amapharamitha. Isolid height—umgama wokuthi konke amacoil ayisikwe kahle—kufanele kubhalwe ukukhathala ukuthi kuzobekwa noma kuzofika kumkhawulo we-coil-clash. Ukulawula okuphelele kwe-pitch ngokuzilima kubalungile ukufinyelela kulemiphumela eyodwa. I-load-at-height ibhalisa umthelela owenziwa kumkhawulo wesikhundla sokusebenza esishicilelwe, okuthi kubhalisa ngqo ukuthi ispring iyokubeka umthelela ofunekayo noma ukuthi kuyokubeka ukuthi kusenziwe kumkhawulo wokugcina. Ngokwesiqondiso sika-DIN 2091, umthelela owabhalwe kufanele uhlale kumkhawulo oshicilelwe—okukhulu ngokwesibini ±10% wezinga lezinhloso. Kusobonakaliswa ngokuhlanganisa nezinye izimboni zokubhalwa zemiphumela yezindawo, lezi zimbhalo zinikeza ukubhalwa okuphelele, okuhlanganisa isikhundla sokusebenza, lokho okubhalisa ubukhulu bekuphakama kwezinhloso zomkhawulo wokuzilima we-spring.

Ukuthuthukisa Ubukhulu: Ukubhalwa Kwesifundo Sokuphakama Nokubhalwa Kwesampuli Kwenkqubo Yokuzilima

Ukukhetha Kwemithambo Yokuphila Kwesifunda Ngokusebenzisa Imithambo Yezibhalo Ngokwesifundo Kwezinhloso Zokugcina I-CNC

Kukhona ukuthi ukuziphatha kwemithambo yezibhalo yokuphila kwezinhloso zokugcina i-CNC kungakwaziwa ngokuphelele. Kodwa, ukukhetha kwemithambo yokuphila ngokwesifundo—okufundwa ngokwesifundo sokuvumela imithambo njenge-AQL 1.0—kunika ubuhle obukhulu. Umthambo othile wokukhethwa ngokuphathelene uwenziwe ukubhekana ngezinkampana ngokuphathelene kuze kube nesiphelo, futhi imithambo iyavumeka uma izinkampana ebonakaliswe ziyagcina noma ziyakhula kusukela kubanga okufanayo (isibonelo: 10⁶ izinkampana). Kumaqiniso okuyenza amaphuzu amaningi ngohora, ukukhetha kwemithambo okuphathelene kunqamuka ngokwesikhathi sokuthi isikhathi sokuziphatha kuyasebenza ngokwesikhathi sokuziphatha. Amamodeli okuphakanyisa ukuphila kokuphila okuphakanyiswe ngokwesifundo, njengezokuphakanyisa ukuphila kokuphila ngokwesifundo sokubhekana ngezinkampana eziningi zokubhekana ngokuphathelene, kuyabiza izimboni zokuvumela/nokukhulula nokukhetha kwezinhloso zokukhetha. Lokhu kuchaza ukuthi ukuthi kubonakala ngokushesha ukuthi isikhathi sokuziphatha kuyadlula, kuyasinda ubuhle bokuphila kwebhizinisi ngokugcina ukuthi kungabi nesiphelo esingaphezulu kwezindawo zokusebenza nokuthi kungabi nesiphelo esingaphezulu kwezindawo zokusebenza.

Ukusethwa Kokuhlolwa Okulungiselelwe kanye Nokulinganiswa Kokulawulwa Kwekhwalithi Yomshini Wentwasahlobo Okuhambisanayo

Ukulungiswa Kwezici, Amazinga Okufaka, kanye Nokunciphisa Ukukhetha Okulinganiselwe

Ukulungiswa kwe-fixture kuthinta ngqo ukufaneleka kokulinganisa ngesikhathi sokuqinisekiswa komshini wentwasahlobo. Ukulayisha okungaxhunyiwe ku-axis kusuka kuma-grips angalingani kahle kuphazamisa ama-curve okufuduka kwamandla—okuholela ekwamukelweni noma ekwenqatshweni okungamanga. Izindinganiso zokufaka ngokwe-ISO/IEC 17025 zidinga ama-jig aphakathi nendawo, izikhonkwane zokusekela phansi ngqo, kanye nokubopha okufanayo ukuze kuqedwe izikhathi zokugoba ezingahlosiwe. Ama-transducer alinganiswa njalo ngokumelene nezindinganiso ezilandelekayo ukuze kuvinjelwe ukukhukhuleka, futhi ukuhambisana kwe-mandrel kuqinisekiswa kusetshenziswa izinkomba zokudayela ezinesisombululo se-±0.0005″. Ukubandlulula okuhlelekile kokulinganisa kuncishiswa ngesinxephezelo se-zero-offset kanye nezifundo ze-R&R eziqinile. Ukusethwa kokuhlola okuzinzile, okuqinisekisiwe kuqinisekisa ukuthi ukunemba kokwakheka komshini wentwasahlobo kuhlolwa ngaphansi kwezimo ezilawulwayo neziphindaphindwayo—ukunciphisa umsindo ofihla ikhono lenqubo yangempela.

Ukugxeka kwe-SPC yasekhashini nesikhathi sokusebenza kwe-CNC Spring Machine

I-SPC yasekhashini ishushelwa ngokushushela ukuthi kubhekwe ngokuphathwa kweminyaka emibili kusukela ekupheleni kokusebenza kuqondisa umsebenzi ngokushushela. Amasensha amahle ayesibonelo esihlombe sokubala isikhalazo, ubude lwesibonelo, nokuhlela kwesikhombisa ngokushushela ngokwesibonelo esishiywa. Amacharti okugcina—okuthiwe ngamagruphi amashumi ayisihlanu wezibonelo ezimibili zokuzulula—azibona izinguquko ezingaphansi kuka-±0.002″ kabefore izibonelo ezingavumelekile ziqondwe. Uma izinhlobo zizokhuluma ngokuvula imithombo ye-Western Electric, i-CNC controller iyagxeka ngokushushela izindlela zokugcina, ikhuluma izinto zokufakwa ngokushushela ngemizuzu emibili. Lokhu kugxeka kwezinhlobo eziphakeme kunciphisa izikhathi zokubuyela, kusindisa izinhlamvu ze-Cpk zokungaphezulu kuka-1.33, futhi kuvumela ukuthi zonke izibonelo zifanele izinhlobo zokuzulula—ngaphandle kokusebenzisa ukubuyela ngokwamanzi.

FAQ: Ukubala Kwesibonelo Sokubala Isibonelo Esikhulu Kwezibonelo Zokusebenza

• Kungani ukubala kwe-pitch okuphelele kubalulekile ekubhaleni izibonelo?
  Ukubhalwa kwe-pitch kusinceda ukuthi izikhathi zokugqamisa zibe yisibonelo, okuyisisekelo sokukhokha kwe-spring rate nokudistribute kwezimali. Ukukhulula kungasiza ekupheleni kwesikhathi esifanayo nokuphela kwesikhathi.
• Izistandad eziphi zisetyenziswa ukuthi kubonakalise ukwazi kwe-CNC spring machine?
  ISO 2690 ne-ASTM A679 zinikeza iziklasi zezindlela zokubhalwa nezimfundo zokuthi isithunzi seshintsha, okuyisisekelo sokubonakalisa ukwazi kwe-spring machine.
• Ukuthi njani ukubhalwa kwe-load okuphambili kubonisa ukuthi ispring iphumelela njani?
  Ukubhalwa kwe-load okuphambili kubala i-load ngaphandle kokuthi ispring ibe yini, ukubona ukuthi iphumelela njani, ukuthi kune-hysteresis, nokuthi kune-deformation, ukuvumela ukuthi ispring iphumelela ngokuphelele emizuzwana yokuvela.
• Ukuthi njani ukusebenza kwe-SPC esihlombe kwenkathi yokuvela kwe-spring?
  Ukusebenza kwe-SPC esihlombe kwenkathi kusinceda ukuthi kuboniswe ngokushesha ukuthi kubuyekezwe izinto zokufaka ispring, ngokusebenzisa idatha yezisensha, ukuvumela ukuthi ispring ibe yisibonelo futhi ukuncima izinto ezingavumelekile.
• Kungani ukubhalwa kwe-fatigue kwenziwa ngokubhalwa kwesampulu?
  Ngokwethi yokuphela kwezinkathi eziningi, ukubhalwa kwe-fatigue kwenziwa ngokubhalwa kwesampulu esibonakalisa ukuthi ispring iphumelela ngokuphelele, ukuvumela ukuthi ispring iphumelela ngokuphelele futhi ukuncima ukuthi kubalekile emkhakheni.