Thread machining ndeimwe yeanonyanya kukosha mashandisirwo eCNC machining nzvimbo.Hunhu hwekugadzira uye kushanda zvakanaka kwetambo kuchakanganisa zvakananga mhando yezvigadzirwa zvezvikamu uye kugona kwekugadzira kwenzvimbo dzekugadzira.
Nekuvandudzwa kwekushanda kwe cnc machining centers uye kuvandudzwa kwezvishandiso zvekucheka, nzira yekucheka inogara ichivandudza, uye kurongeka uye kubudirira kwekugadzira kunowedzerawo zvishoma nezvishoma.Kugonesa matekinoroji kusarudza zvine musoro nzira dzekuisa mukugadzirisa, kuvandudza kugadzirwa uye kudzivirira tsaona dzemhando, nzira dzakati wandei dzemachira dzinowanzo shandiswa muCNC machining nzvimbo mukuita dzinopfupikiswa sezvizvi:
1. Tap yekugadzirisa nzira
1.1 Kukamurwa uye hunhu hwepombi kugadzirisa
Kushandisa matepi kugadzira maburi ane threaded ndiyo inonyanya kushandiswa nzira.Inonyanya kukodzera maburi ane threaded ane madhayamita maduku (D <30) uye yakaderera gomba chinzvimbo nemazvo zvinodiwa.
Mumakore ekuma1980, nzira dzekutepa dzinochinjika dzakagamuchirwa dzemakomba akarukwa, kureva kuti, chuck inochinjika yakashandiswa kubata pombi, uye chuck yekutapa yaigona kushandiswa kubhadharisa axial kutsiva chikafu chakakonzerwa neasynchronous feed yemuchina. chishandiso uye kumhanya kwekutenderera kwechirukwa.Ipa mhosho kuti uve nechokwadi chenzwi chairo.Iyo inochinjika tapping chuck ine yakaoma dhizaini, yakakwira mutengo, kukuvara kuri nyore uye kuderera kwekugadzirisa.Mumakore achangopfuura, kuita kweCNC machining nzvimbo kwakawedzera zvishoma nezvishoma, uye iyo yakaoma yekutepa basa yave iyo yekutanga kurongeka kweCNC machining nzvimbo.
Naizvozvo, kurovera kwakasimba kwakava nzira huru yekuisa tambo panguva ino.
Kureva kuti, pombi inosungirirwa necollet yakasimba, uye chikafu chespindle nekumhanya kwespindle zvinodzorwa nechishandiso chemuchina.
Kuenzaniswa neinochinjika tapping chuck, iyo chitubu collet ine yakapusa dhizaini, yakaderera mutengo, uye yakawanda yekushandiswa.Pamusoro pekubata matepi, inogona zvakare kubata maturusi akadai sezvigayo zvekupedzisira uye zvibooresa, izvo zvinogona kuderedza mutengo wemidziyo.Panguva imwecheteyo, iyo yakaomesesa tapping inogona kushandiswa pakucheka-kumhanya, iyo inovandudza kushanda kweiyo machining centre uye inoderedza mutengo wekugadzira.
1.2 Kutsunga kwegomba rezasi rakaiswa threaded usati wabaya
Kugadziriswa kwegomba rezasi reshinda kune simba guru pahupenyu hwepombi uye kunaka kwekugadziriswa kweshinda.Kazhinji, iyo dhayamita yeiyo yakadhindwa pasi gomba drill inosarudzwa padyo nepamusoro peiyo shinda yepasi gomba dhayamita kushivirira,
Semuenzaniso, dhayamita yegomba rezasi reM8 threaded gole iФ6.7+0.27mm, uye dhayamita yebhiti rekuboora iФ6.9mm.Nenzira iyi, mvumo yekugadzira yepombi inogona kuderedzwa, mutoro wepombi unogona kuderedzwa, uye hupenyu hwebasa hwepombi hunogona kuvandudzwa.
1.3 Kusarudzwa kwematepi
Pakusarudza pombi, chekutanga, pombi inoenderana inofanirwa kusarudzwa zvinoenderana nechinhu chinogadziriswa.Iyo kambani yezvishandiso inogadzira akasiyana marudzi ematepi zvinoenderana neyakasiyana zvinhu zvinogadziriswa, uye kutarisisa kwakanyanya kunofanirwa kubhadharwa pakusarudzwa.
Nekuti matepi anotarisisa zvakanyanya kune izvo zvinhu zvinogadziriswa zvichienzaniswa nekucheka zvigayo uye zvinobhowa maturusi.Semuenzaniso, kushandisa matepi ekugadziridza simbi yakakandwa kugadzira zvikamu zvealuminium zviri nyore kukonzeresa kurasikirwa kweshinda, mabhegi asina kurongeka kana kutsemuka kwepombi, zvichikonzera zvakaraswa zvebasa.Chechipiri, kutarisisa kunofanirwa kubhadharwa pamusiyano uripo pakati pemapombi epaburi nemabofu-mapombi.Iyo yekumberi-yekupedzisira gwara remapombi epaburi rakareba, uye kubviswa kwechipi ndiko kubviswa kwechipi kumberi.Iyo yekumberi yekumberi yebofu hole gwara ipfupi, uye chip evacuation ndeyekumashure chip evacuation.Mabofu anogadziriswa nemapombi epaburi, uye kudzika kweshinda hakugone kuvimbiswa.Uyezve, kana chuck inochinjika yakashandiswa, inofanirwawo kucherechedzwa kuti dhayamita yepombi shank uye hupamhi hwekona hunofanira kunge hwakafanana neiyo yekubata chuck;iyo dhayamita yepombi shank yekurova kwakasimba kunofanirwa kunge yakafanana nedhayamita yejasi rechirimo.Muchidimbu, chete sarudzo inonzwisisika yematepi inogona kuve nechokwadi kufambira mberi kwakanaka kwekugadzirisa.
1.4 NC kurongwa kwema tap machining
Iyo programming ye tap machining iri nyore.Iye zvino machining Center anowanzo simbisa iyo yekubaya subroutine, ingopa yega yega parameter kukosha.Nekudaro, zvinofanirwa kucherechedzwa kuti akasiyana manhamba ekudzora masisitimu ane akasiyana subprogram mafomati, uye zvinoreva mamwe ma paramita akasiyana.
Semuenzaniso, SIEMEN840C control system, maitiro ayo ekuronga ndeye: G84 X_Y_R2_ R3_R4_R5_R6_R7_R8_R9_R10_R13_.Iwe unongoda kugovera aya gumi nemaviri paramita paunenge uchigadzira.
2. Thread milling nzira
2.1 Zvimiro zvekugaya shinda
Thread milling ndeye kushandisa shinda yekugaya chishandiso, iyo matatu-axis yekubatanidza yenzvimbo yekugadzira, kureva, X, Y axis denderedzwa kududzira, uye Z axis linear milling nzira yekugadzirisa shinda.
Kugaya shinda kunonyanya kushandiswa kugadzira tambo dzegomba hombe uye maburi akaomeswa emidziyo yakaoma kumuchina.Iyo inonyanya kuve neanotevera maitiro:
(1) Iyo yekumhanyisa yekumhanyisa inokurumidza, kushanda kwayo kwakakwira, uye iko kurongeka kwakakwira.Chishandiso chemidziyo chinowanzo simendirwa carbide zvinhu, uye kumhanya kwekucheka kunokurumidza.Chishandiso chinogadzirwa nehupamhi hwepamusoro, saka iyo shinda yekugaya yakakwira.
(2) Zvishandiso zvekugaya zvine huwandu hwakawanda hwekushandisa.Chero bedzi iyo pitch yakafanana, zvisinei kuti ishinda-kuruboshwe-kuruboshwe kana shinda-kurudyi, mudziyo mumwe unogona kushandiswa, izvo zvinobatsira kuderedza mutengo wekushandisa.
(3) Kugaya kuri nyore kubvisa machipisi uye kutonhora pasi.Kuenzaniswa nemapombi, mamiriro ekucheka ari nani.Iyo inonyanya kukodzera kugadzirwa kweshinda yezvinhu zvakaoma-ku-muchina zvakadai sealuminium, mhangura, uye simbi isina tsvina.
Inonyanya kukodzera kusungirirwa kwezvikamu zvakakura uye zvikamu zvezvinhu zvinokosha, izvo zvinogona kuve nechokwadi chehutano hwekugadzirisa uye kuchengetedzwa kwechishandiso.
⑷ Nekuti hapana chishandiso chemberi chegwaro, chakakodzera kugadzirisa maburi mapofu ane mapfupi mapfupi ezasi maburi uye maburi asina undercuts.
2.2 Kurongeka kwemidziyo yekugaya shinda
Maturusi ekugaya anogona kupatsanurwa kuita mhando mbiri, imwe ndeye muchina-yakavharirwa carbide inopinza milling cutter, uye imwe yacho yakakosha carbide milling cutter.Chishandiso chinosungirirwa muchina chine zvakawanda zvekushandisa, uye chinokwanisa maburi maburi ane shinda yakadzika pasi pehurefu hwekupinza, kana maburi ane shinda yakadzama kupfuura kureba kwekuiswa.Solid carbide milling cutters anowanzo shandiswa kugadzira maburi ane shinda yakadzika pasi pehurefu hwechishandiso.
2.3 NC hurongwa hwekugaya shinda
Kurongeka kwematurusi ekugaya shinda kwakasiyana nehurongwa hwemamwe maturusi.Kana chirongwa chekugadzirisa chisina kunaka, zviri nyore kukonzeresa kukuvara kwechishandiso kana zvikanganiso zvekugadzira tambo.Paunenge uchigadzira, teerera kune zvinotevera pfungwa:
⑴ Chekutanga pane zvese, gomba rezasi rakaiswa shinda rinofanirwa kugadziriswa zvakanaka, gomba diki redhayamita rinofanirwa kugadziriswa nechibooreso, uye gomba rakakura rinofanira kugadziriswa nekubhowa kuti ive nechokwadi chechokwadi chegomba rezasi rakarukwa.
(2) Paunenge uchicheka mukati nekubuda, chishandiso chinofanirwa kushandisa denderedzwa arc nzira, kazhinji 1/2 denderedzwa yekucheka mukati kana kunze, uye panguva imwe chete, iyo Z-axis nhungamiro inofanirwa kufamba 1/2 pitch kuti ive nechokwadi chechimiro. yeshinda.The tool radius compensation value inofanira kuunzwa panguva ino.
⑶ X, Y axis arc kududzira kune imwe denderedzwa, iyo spindle inofanirwa kufamba nhanho imwe chete neiyo Z axis kutungamira, zvikasadaro, shinda ichakwizwa zvisina tsarukano.
⑷ Yakananga muenzaniso chirongwa: dhayamita yeshinda yekugaya cutter ndeye Φ16, gomba rakarukwa iM48 × 1.5, uye kudzika kwegomba rakarukwa i14.
Iyo process process ndeiyi inotevera:
(Maitiro egomba rezasi rakarukwa rakasiiwa, gomba rinofanira kunge riri buri rezasi rinofinha)
G0 G90 G54 X0 Y0
G0 Z10 M3 S1400 M8
G0 Z-14.75 Dyisa kusvika pakadzika peshinda
G01 G41 X-16 Y0 F2000 Enda kunzvimbo yekudya uye wedzera muripo weradius
G03 X24 Y0 Z-14 I20 J0 F500 Shandisa 1/2 denderedzwa arc kucheka mukati
G03 X24 Y0 Z0 I-24 J0 F400 Cheka shinda yese
G03 X-16 Y0 Z0.75 I-20 J0 F500 Paunenge uchicheka, shandisa 1/2 denderedzwa arc kucheka G01 G40 X0 Y0 Dzokera pakati, kanzura radius muripo.
G0 Z100
M30
3. Sarudza-uye-donhedza nzira
3.1 Hunhu hwekutora-ne-bhatani nzira
Makomba mahombe ane shinda dzimwe nguva anogona kusangana pazvikamu zvebhokisi.Kana pakashaikwa matepi uye shinda dzekugaya, nzira yakafanana neyekunhonga lathe inogona kushandiswa.
Isa shinda inotenderedza tambo pabhara rinofinha kuti shinda inofinha.
Iyo kambani yakagadzirisa batch yezvikamu, iyo tambo ndeye M52x1.5, uye chinzvimbo chiri 0.1mm (ona Mufananidzo 1).Nekuda kwechinzvimbo chepamusoro chinodiwa uye gomba rakakura rine shinda, hazvigoneke kushandisa tepi pakugadzirisa, uye hapana shinda yekucheka shinda.Mushure mekuyedzwa, kushandiswa kwekutora uye nzira yebuckle kuve nechokwadi chekugadzirisa zvinodiwa.
3.2 Chengetedzo yenzira yekunhonga nekudonhedza
⑴ Mushure mekunge chirukwa chatanga, panofanirwa kuve nekunonoka nguva yekuona kuti spindle inosvika pakumhanya kwakayerwa.
(2) Paunenge uchidzora chishandiso, kana chiri shinda-yepasi shinda, sezvo chishandiso hachigone kurodzwa symmetrically, reverse chishandiso hachigone kushandiswa kudzoreredza.Iyo spindle yekumisikidza inofanirwa kushandiswa, chishandiso chinofamba nemhepo, uyezve chishandiso chinodzoserwa.
⑶ Kugadzirwa kweiyo arbor kunofanirwa kuve kwakanyatso, kunyanya nzvimbo yekefi inofanirwa kuenderana.Kana zvisingaenderane, multi-tool bar processing haigone kushandiswa.Zvikasadaro, zvinokonzeresa kuvhiringika.
⑷ Kunyangwe iri bhandi rakatetepa kwazvo, harifanirwe kunhongwa nebanga rimwe pakurinhonga, zvikasadaro rinoita kuti zino ribude uye kushata kwepamusoro.Inofanira kukamurwa kuita kanenge kaviri kucheka.
⑸ Kushanda kwekugadzirisa kwakaderera, uye kwakakodzera chete chidimbu-chidimbu mabhechi madiki, akakosha tambo tambo uye hapana anowirirana maturusi.
3.3 Mapurogiramu emuenzaniso chaiwo
N5 G90 G54 G0 X0 Y0
N10 Z15
N15 S100 M3 M8
N20 G04 X5 kunonoka, ita kuti spindle isvike pakumhanya kwakayerwa
N25 G33 Z-50 K1.5 tora bhatani
N30 M19 Spindle orientation
N35 G0 X-2 rega banga
N40 G0 Z15 Retract tool
4. Pfupiso
Kupfupisa, nzira dzekugadzira tambo mu cnc machining nzvimbo dzinonyanya kusanganisira tap processing, milling process uye yekunhonga nzira.Kugadziriswa kwepombi uye kugayo ndiyo nzira huru dzekugadzirisa, uye nzira yekutora ingori yenguva pfupi nzira yekukurumidzira.
Nguva yekutumira: May-13-2022