Lokacin da matsananciyar haƙuri dole ne a ƙayyade, ko lokacin da sifofin samfur suka kasance masu rikitarwa, ko kuma lokacin da ake buƙatar samfur ɗaya ko biyu kawai, injinan [email protected] resins na PTFE ya zama hanyar ƙirƙira.
Duk daidaitattun ayyuka-juya, fuskantar, m, hakowa, threading, tapping, reaming, nika, da dai sauransu-sun dace da polymer PTFE resins.Special injuna ba lallai ba ne.
Lokacin yin ɓangarorin mashin ɗin daga resin polymer PTFE, ko dai da hannu ko ta atomatik, ainihin ƙa'idar da za a tuna shine waɗannan resins suna da kaddarorin jiki ba kamar na kowane kayan da aka saba amfani da su ba.Suna da taushi, duk da haka springy.Su waxT ne, duk da haka tauri.Suna da yanke "ji" na tagulla, duk da haka tasirin kayan aiki na bakin karfe.Duk da haka, kowane ƙwararren injiniya zai iya tsara PTFE polymer da sauri zuwa juriya na +0.001 inch kuma, tare da kulawa ta musamman, zuwa +0.0005 inch.
Zaɓi Madaidaitan Gudun Aiki
Ɗaya daga cikin kadarorin polymer PTFE resins da ke tasiri mai ƙarfi dabarun rnachining shine ƙarancin ƙarancin zafinsu na musamman.Ba sa saurin ɗaukar zafi da watsar da zafin da aka haifar a wani yanki mai yankewa.Idan an kiyaye zafi mai yawa da aka samar a yankin yankan, zai kasance yana ɓata kayan aiki kuma ya yi zafi da guduro.Coolants, don haka, suna da kyawawa yayin ayyukan injina, musamman sama da saurin saman I50 m/min (500 fpm).
Haɗe tare da ƙarancin aiki, babban haɓakar zafin jiki na polymer PTFE resins (kusan lokutan IQ na ƙarfe) na iya haifar da ƙarin matsaloli.Duk wani tsararraki da gano yanayin zafi mai yawa zai haifar da faɗaɗa kayan fluoropolymer a wancan lokacin.Dangane da kauri na sashin da aikin da ake yi, haɓakawar Iocalized na iya haifar da wuce gona da iri ko yankewa, kuma a cikin haƙon ramin da aka yi.
Hanyoyin inji sannan, musamman saurin aiki, dole ne suyi la'akari da tasirin aiki da haɓakawa.
Gudun saman ƙasa daga 60-150 m / min (200-500 fpm) sun fi gamsuwa don ayyukan jujjuyawa mai kyau;A waɗannan speecs, ambaliya sanyi ba a bukatar.Ana iya amfani da maɗaukakin gudu tare da ƙarancin abinci ko don yankewa, amma masu sanyaya sun zama wajibi don cire wuce haddi da aka haifar.Kyakkyawan sanyaya ya ƙunshi ruwa da man mai mai narkewa a cikin rabo na 10:1 zuwa 20:I.
Ciyar da kewayon saurin 60-150 m/min (200-500 frm) yakamata ya gudana berween 0.05-0.25 mm (0.002-0.010 inch) kowace juyi.Idan yanke karewa abu ne na aiki mai sauri (misali, injin daskarewa ta atomatik wanda ke gudana a 240 m/min [800fp-]), sannan a jefar da musr zuwa mafi ƙarancin ƙimar daidai.Shawarar zurfin yanke ya bambanta daga 0.005-6.3 mm (0.0002- 0.25 inch).
A cikin ayyukan hakowa, ya kamata a gudanar da tafiya ta gaba na kayan aiki zuwa 0.13-0.23 mm (0.005-0.009 inch) a kowace juyin juya hali.Yana iya tabbatar da fa'ida a yi rawar jiki tare da motsi a waje don ba da damar ɓarkewar zafi a cikin mai sanyaya.
Lokacin aikawa: Fabrairu-04-2020