Drill bit, sechishandiso chakajairika mukugadzirisa gomba, chinoshandiswa zvakanyanya mukugadzira michina, kunyanya kugadzirisa makomba mumidziyo yekutonhodza, machubhu mapepa emidziyo yekugadzira magetsi, majenareta ehutsi uye zvimwe zvikamu.
1,Hunhu hwekuchera
Chibooreso chinowanzova nemativi maviri makuru ekucheka.Panguva yekugadzira, iyo drill bit inotenderera uye inocheka panguva imwe chete.Iyo kona yekumberi yedhiri inova yakakura uye yakakura kubva pakati peaxis kuenda kumucheto wekunze, kukurumidza kucheka kwechibhorani kuswedera kune denderedzwa rekunze kwakakwira, uye kumhanya kwekucheka kunodzikira kwakananga pakati, uye kukurumidza kucheka kweiyo. drill bit's rotating center i zero.Mucheto wakatwasuka wechibhorani uri pedyo neaxis yenzvimbo inotenderera.Iyo lateral mupendero ine hombe yekubatsira rake angle, isina chip nzvimbo, uye yakaderera yekucheka kumhanya, saka inoburitsa hombe axial kuramba.Kana iyo yakachinjika mupendero yakakuya kuti iite A kana C muDIN1414, uye kucheka kumucheto pedyo nepakati axis ine yakanaka rake angle, kushomeka kwekucheka kunogona kuderedzwa uye kuita kwekucheka kunogona kuvandudzwa zvakanyanya.
Zvinoenderana neakasiyana maumbirwo, zvishandiswa, zvimiro, mabasa, nezvimwe zvezvishandiso, zvidhiraivho zvinogona kukamurwa kuva marudzi mazhinji, senge high-speed simbi yekubooresa (yakakangwa mukanyiwa twist drill, group drill, flat drill), integral cemented carbide. drill bits, indexable shallow hole drill, deep gole drill, nesting drill uye zvinochinjika zvibooreso.
2,Kupwanya chip uye kubvisa chip
Kuchekwa kwechibhorani kunoitwa mugomba rakamanikana, uye machipisi anofanirwa kuburitswa kuburikidza nekucheka groove ye drill bit, saka chimiro chechip chine simba guru pakucheka mashandiro echibhorani.Maumbirwo akajairwa chip anosanganisira flake machipisi, tubular machipisi, tsono machipisi, tapered spiral machipisi, ribhoni machipisi, machipisi akaita fan, powdery chips, nezvimwe.
Kiyi yekuchera - chip control
Kana iyo chip chimiro isina kukodzera, zvinotevera zvinetso zvichaitika:
①Fine machipisi anovharira mupendero groove, anokanganisa kudhirowa kwechokwadi, kuderedza hupenyu hwechibhorani, uye kunyange kutyora dhiri (senge machipisi eupfu, machipisi ane shape, nezvimwewo).
②Machipisi marefu anoputira chibooreso, achitadzisa kushanda, zvichikonzera kukuvara kwechibhorani kana kudzivirira kucheka mvura kuti isapinde mugomba (senge spiral chips, ribhoni machipisi, nezvimwewo).
Maitiro ekugadzirisa dambudziko reiyo isina kunaka chip chimiro:
①Iyo chip breaking uye chip yekubvisa maitiro inogona kuvandudzwa nekuwedzera chiyero chekudyisa, kudya kwepakati, kukuya muchinjiko, kuisa chip breaker, nezvimwe, zvichiteerana kana zvakabatana, kubvisa matambudziko anokonzerwa nemachipisi.
②Inyanzvi chip breaking drill inogona kushandiswa pakuchera.Semuyenzaniso, iyo yakagadzirwa chip breaking edge inowedzerwa mugororo rechibooreso chekucheka machipisi kuti ave nyore kucheneswa machipisi.Marara anoraswa zvakanaka mugoronga pasina kuvharika mugoronga.Naizvozvo, iyo nyowani chip breaking drill inowana yakatsetseka yekucheka mhedzisiro pane yechinyakare drill.
Panguva imwecheteyo, simbi yakapfupika inoita kuti zvive nyore kuti inotonhorera iyerere ichienda kunzvimbo yekuboorera, ichiwedzera kuvandudza kupisa kwekupisa mhedzisiro uye kucheka mashandiro panguva yekugadzirisa.Uyezve, nekuti iyo ichangobva kuwedzerwa chip inotyora mupendero yakapinda mugomba rose rechibhorani, chimiro uye basa rayo rinogona kuchengetedzwa mushure menguva yakati wandei yekukuya.Pamusoro pekuvandudzwa kwebasa riri pamusoro, zvakakosha kutaura kuti dhizaini inosimbisa kuomarara kwemuviri wekuchera uye zvakanyanya kuwedzera huwandu hwemakomba akacherwa asati agaya kamwe chete.
3,Kunyatso chera
Kurongeka kwegomba kunonyanya kuumbwa nezvinhu zvakaita sehukuru hwegomba, kurongeka kwenzvimbo, coaxiality, kutenderera, kushata kwepamusoro uye gomba burr.
Zvinhu zvinokanganisa kurongeka kwegomba richagadzirwa panguva yekuchera:
①Iyo clamping chaiyo uye yekucheka mamiriro echibhorani, senge chibatiso chekushandisa, kucheka kumhanya, chiyero chekudya, kucheka mvura, nezvimwe.
②Bit size uye chimiro, senge kureba zvishoma, mupendero chimiro, musimboti chimiro, nezvimwe.
③Chimiro chekushanda, senge orifice padivi chimiro, orifice chimiro, ukobvu, clamping mamiriro, nezvimwe.
Counterbore
Reaming inokonzerwa nekuzungunuka kwechibhorani panguva yekugadziriswa.Iko kuzungunuka kwechibatiso chemudziyo kune simba guru pane dhayamita yegomba uye kunyatsomira kwegomba.Naizvozvo, kana chibatiso chemudziyo chapfekwa, chibatiso chitsva chinofanira kutsiviwa nenguva.Pakuchera maburi madiki, zvakaoma kuyera uye kugadzirisa swing, saka zviri nani kushandisa coarse shank diki dhayamita drill ine yakanaka coaxiality pakati peblade uye shank.Paunenge uchishandisa regrind drill kugadzirisa, chikonzero chekuderera kwegomba kurongeka kunonyanya kukonzerwa neasymmetry yechimiro chemashure.Kudzora kwemupendero urefu mutsauko kunogona kunyatso kudzora kudzoreredza kwegomba.
Roundness yegomba
Nekuda kwekudengenyeka kwechibhorani, gomba rakaboorwa riri nyore kuve polygonal, uye madziro egomba anoita senge kaviri mutsara pateni.Makomba emapolygonal akajairika anowanzo mativi matatu kana pentagonal.Chikonzero chegomba retriangular ndechokuti chibooreso chine nzvimbo mbiri dzekutenderera pavanenge vachichera, uye vanozununguka pane imwe nguva yekutsinhana kwega 600. Chikonzero chikuru chekudengenyeka ndechokuti kushorwa kwekucheka hakuna kuenzana.Kana iyo drill bit inotenderera kamwe chete, nekuda kwehurombo hunotenderera hwegomba rakagadziriswa, kushorwa hakuna kuenzana panguva yekutenderera kwechipiri kwekucheka.Kudengenyeka kwekupedzisira kunodzokororwa zvakare, asi chikamu chekuzunguza chine kumwe kutsauka, zvichikonzera mitsetse miviri pamadziro egomba.Kana kudzika kwekuchera kwasvika pane imwe nhanho, kukweshana pakati pechibooreso chemupendero uye gomba remadziro rinowedzera, kuzunguzika kunowedzera, iyo involute inonyangarika, uye kutenderera kunova nani.Rudzi urwu rwegomba rakaumbwa kubva pachikamu chelongitudinal.Nechikonzero chimwe chete, pentagon uye heptagon maburi anogonawo kuoneka mukucheka.Kuti ubvise chiitiko ichi, kunze kwekudzora zvinhu zvakadai secollet vibration, kucheka kumucheto kwehurefu musiyano, uye asymmetric chimiro chemusana uye blade, matanho anofanirwa kutorwa kuti avandudze kusimba kwechibhorani, kuwedzera huwandu hwekudya pane imwe neimwe. chimurenga, dzikisa kona yekumashure, uye kugaya muchinjiko.
Boora maburi pamateru nepamusoro
Kana nzvimbo yekucheka kana kuchera kuburikidza nepamusoro pechibooreso chakarereka, chakakombama kana chakatsikwa, iyo yekumisikidza yakashata.Panguva ino, iyo drill bit inochekwa pane imwe radial side, iyo inoderedza hupenyu hwekushandisa.
Kuti uvandudze kurongeka kwenzvimbo, matanho anotevera anogona kutorwa:
①Boora buri repakati pekutanga.
②.Gaya chigaro chegomba nechigayo chekupedzisira.
③Iyo drill bit ine yakanaka kupinda uye kuomarara ichasarudzwa.
④Deredza kukurumidza kwekudya.
Burr kurapwa
Panguva yekuchera, maburrs achaonekwa pamusuwo uye kubuda kwegomba, kunyanya kana kugadzira zvinhu uye mahwendefa matete ane kuoma kwakanyanya.Chikonzero ndechekuti kana chibooreso chave kuda kuboora, zvinhu zvichagadziriswa zvichave neplastic deformation.Panguva ino, chikamu chetriangular chinofanira kuchekwa nechekumucheto kwechibooreso chiri pedyo nechekunze kwemucheto chichave chakaremara uye chakakombamira kunze pasi pechiito cheaxial cutting force, uye chinowedzera kupeta pasi pechiito chechamfer chemucheto wekunze. ye drill bit uye kumucheto kwebhendi rekumucheto, kuumba curls kana burrs.
4,Mamiriro ekugadzirisa ekuchera
Iyo general catalog yezvigadzirwa zvekudhirowa ine Reference Tafura yeBasic Cutting Parameters yakarongwa zvinoenderana nekugadzirisa zvinhu.Vashandi vanogona kusarudza mamiriro ekucheka ekuchera kuburikidza nekutaura kune zvidimbu zvekucheka zvakapiwa.Kunyangwe kusarudzwa kwemamiriro ekucheka kwakakodzera kunofanirwa kutongwa zvakazara nekucheka kwekutongwa zvichienderana nezvinhu zvakaita semachining accuracy, machining performance, drill life, nezvimwe.
1. Bit hupenyu uye kugadzirisa kushanda
Pachikonzero chekusangana nezvinodiwa zvehunyanzvi zveiyo workpiece kuti igadziriswe, kushandiswa kwakakodzera kwechibooreso kunofanirwa kuyerwa zvakakwana zvichienderana nehupenyu hwesevhisi uye kugadzirisa kushanda kwechibhorani.Iyo yekucheka chinhambwe inogona kusarudzwa seyekuongorora indekisi yebit service hupenyu;Kumhanyisa kwekudya kunogona kusarudzwa seyeyedzo indekisi yemachining kunyatsoita.Kune mabheti ekubooresa simbi akakwira, hupenyu hwesevhisi hwechibhorani hunokanganisa zvakanyanya nekumhanya kwekutenderera, uye hahuna kukanganiswa nehuwandu hwekudya pane revolution.Naizvozvo, iko kushanda kwemuchina kunogona kuvandudzwa nekuwedzera chiyero chekudya pane shanduko, uku uchivimbisa hupenyu hurefu hwechibhorani.Nekudaro, zvinofanirwa kucherechedzwa kuti kana chiyero chekudya pakuchinja chakakurisa, iyo chip inokora, zvichikonzera matambudziko mukutyoka kwechip.Naizvozvo, zvinodikanwa kuti uone huwandu hwehuwandu hwekudyisa pane shanduko yeakatsetseka chip kupaza kuburikidza nekucheka kwekuyedza.Kune zviboorero zvecarbide zvakasimirirwa, kune chamfer hombe muyanegative rake angle direction yekuchekwa, uye sarudzo yakasarudzika yehuwandu hwekudya pane revolution idiki pane iyo inomhanya-mhanya simbi yekubooresa.Kana chiyero chekudya chega chega chinodarika chiyero ichi panguva yekugadziriswa, hupenyu hwesevhisi hwechibhorani huchaderedzwa.Sezvo kupisa kwekupisa kwecemented carbide bit kwakakwira kupfuura iyo ye-high-speed simbi bhiti, kumhanya kweinotenderera hakuna simba pahupenyu hwebhiti.Naizvozvo, iyo nzira yekuwedzera iyo inotenderera kumhanya inogona kugamuchirwa kuvandudza mashandiro ekugadzirisa simende carbide bit uye kuve nechokwadi chehupenyu hweiyo bit.
2. Kushandisa kunzwisisika kwekucheka mvura
Chibooreso chinochekwa mugomba rakamanikana, saka mhando yekucheka fluid uye jekiseni nzira ine simba guru pahupenyu hwechibooreso uye machining kururama kwegomba.Mvura yekucheka inogona kukamurwa kuva inonyungudika mumvura uye isingasviki mvura.Mvura-isingagadziriswi yekucheka mvura ine lubricity yakanaka, wettability uye adhesion resistance, uye inewo basa rekudzivirira ngura.Mvura inonyungudika yekucheka mvura ine yakanaka yekutonhora midziyo, isina utsi uye haina kupisa.Mukufunga nezvekuchengetedzwa kwezvakatipoteredza, mvura-inonyungudika yekucheka mvura yakashandiswa zvakanyanya mumakore achangopfuura.Nekudaro, kana iyo dilution reshiyo yemvura-inonyungudika yekucheka mvura isina kufanira kana mvura yekucheka yakadzikira, hupenyu hwechishandiso huchapfupikiswa zvakanyanya, saka kutarisisa kunofanirwa kubhadharwa mukushandiswa.Ingave iine mvura-inonyunguduka kana isina mvura yekucheka mvura, mvura yekucheka inofanira kusvika panzvimbo yekucheka zvizere mukushandiswa, uye kuyerera, kudzvinyirira, nhamba ye nozzles, kutonhora mode (mukati kana kunze kutonhora), nezvimwewo zvekucheka kwemvura. inofanira kunyatsodzorwa.
5,Re sharpening ye drill bit
Kutongwa kwechibhorani regrinding
Maitiro ekudzoreredza iyo drill bit ndeaya:
①Pfeka huwandu hwekucheka, kuyambuka uye kumucheto nemucheto;
②Dimensional kurongeka uye kushata kwepamusoro kwegomba rakagadzirwa;
③Ruvara uye chimiro chechips;
④Kucheka kuramba (spindle ikozvino, ruzha, vibration uye mamwe maitiro asina kunanga);
⑤Kugadzirisa huwandu, nezvimwe.
Mukushandisa chaiko, maitiro akarurama uye ari nyore anozotemwa kubva pane zviri pamusoro zviratidzo zvinoenderana nemamiriro chaiwo.Kana iyo yekupfeka chiyero ichishandiswa seyero, iyo yakanakisa yehupfumi nguva yekugadzika inofanira kuwanikwa.Sezvo mativi makuru ekukuya ari kumashure kwemusoro uye kumucheto kwakachinjika, sekunyanya kupera kwechibhorani, kupera kwakanyanya kwemupendero, kuwanda kwekukuya, uye kuderedzwa kwenhamba yenguva dzekugaya (sevhisi yese. Upenyu hwechishandiso=upenyu hwesevhisi yechishandiso mushure mekugayazve× Kudzokorora nguva), pane zvinopesana, inopfupisa hupenyu hwese hwesevhisi yedhiri dhiri;Kana iyo dimensional yechokwadi yegomba ichagadzirwa ichishandiswa seyero yekutonga, iyo mbiru geji kana muganhu geji ichashandiswa kutarisa kuwedzera kwekucheka uye kusarurama kwegomba.Kamwe kukosha kwekutonga kwapfuura, kugaya zvakare kunoitwa nekukurumidza;Kana kushorwa kwekucheka kunoshandiswa seyero yekutonga, inogona kumiswa pakarepo kana ichidarika iyo yakatarwa yeinogumira kukosha (yakadai seyazvino spindle);Kana iyo processing quantity limit management inogamuchirwa, zviri pamusoro pekutonga zvichabatanidzwa uye mitemo yekutonga ichaiswa.
Kukuya nzira yekubooresa
Paunenge uchirodza zvakare chibooreso, zviri nani kushandisa yakakosha muchina chishandiso kana universal tool grinder, iyo yakakosha kuve nechokwadi chehupenyu hwesevhisi uye machining echokwadi chedhiri.Kana iyo yepakutanga yekuchera mhando iri mumamiriro ekugadzirisa zvakanaka, inogona kudzorerwa maererano nemhando yekuchera yepakutanga;Kana iyo yekutanga drill mhando ine hurema, iyo yekumashure chimiro inogona kuvandudzwa zvakanaka uye muchinjiko wemuchinjiko unogona kugaya zvinoenderana nechinangwa chekushandisa.
Chenjerera kune zvinotevera pfungwa paunenge uchikuya:
①Dzivirira kupisa uye kuderedza kuomarara zvishoma.
②Kukuvadzwa pachibhorani (kunyanya kukanganisa pamucheto weblade) kuchabviswa zvachose.
③Chibooreso chemhando chinofanirwa kuenzana.
④Chenjerera kuti usakanganise chidimbu chekucheka panguva yekugaya, uye bvisa maburrs mushure mekugaya.
⑤Kune zvibooreso zvecarbide zvine simende, chimiro chekukuya chine simba guru pakuita kwechibhorani.Chibooreso chemhando kana chichibva mufekitari ndicho chakanakisa chinowanikwa kuburikidza nesainzi dhizaini uye inodzokororwa bvunzo, saka yepakutanga mhando yemupendero inofanira kuchengetwa kana ichikuya zvakare.
Nguva yekutumira: Sep-19-2022
