Mokhoa oa ho Felisa Liphoso tsa Taper ho CNC-Turned Shafts ka Precision Calibration
Mongoli: PFT, Shenzhen
Kakaretso: Liphoso tsa taper ho li-shafts tse fetotsoeng tsa CNC li senya haholo ho nepahala le ho lekana ha likarolo, ho ama ts'ebetso ea kopano le ts'epahalo ea sehlahisoa. Patlisiso ena e batlisisa katleho ea protocol e hlophisitsoeng e nepahetseng bakeng sa ho felisa liphoso tsena. Mokhoa ona o sebelisa laser interferometry bakeng sa 'mapa oa liphoso tsa volumetric tse nang le qeto e phahameng ho pholletsa le sebaka sa ts'ebetso sa mochini, haholo-holo ho shebana le ho kheloha ha sebopeho se tlatsetsang ho taper. Li-vector tsa matšeliso, tse nkiloeng 'mapeng oa phoso, li sebelisoa ka har'a molaoli oa CNC. Netefatso ea liteko holim'a li-shaft tse nang le bophara ba 20mm le 50mm e bonts'itse phokotso ea phoso ea taper ho tloha ho boleng ba pele bo fetang 15µm/100mm ho isa tlase ho 2µm/100mm post-calibration. Liphetho li tiisa hore matšeliso a lebisitsoeng a liphoso tsa jiometri, haholo-holo ho rarolla liphoso tsa boemo ba mela le ho kheloha ha litsela, ke mokhoa o ka sehloohong oa ho felisa li-taper. Protocol e fana ka mokhoa o sebetsang, o tsamaisoang ke data bakeng sa ho fihlella ho nepahala ha boemo ba micron ha ho etsoa shaft e nepahetseng, e hlokang lisebelisoa tse tloaelehileng tsa metrology. Mosebetsi oa nako e tlang o lokela ho hlahloba botsitso ba nako e telele ba matšeliso le ho kopanngoa le ho hlahloba ts'ebetsong.
1 Selelekela
Phapang ea taper, e hlalosoang e le phapang e sa lebelloang ea diametric ho potoloha axis ea ho potoloha ho likarolo tsa cylindrical tse fetotsoeng ke CNC, e ntse e le phephetso e phehellang ea tlhahiso e nepahetseng. Liphoso tse joalo li ama ka kotloloho likarolo tsa bohlokoa tsa ts'ebetso joalo ka ho jara, bots'epehi ba tiiso, le kinematics ea kopano, tse ka lebisang ho hloleheng pele ho nako kapa ho senyeha ha ts'ebetso (Smith & Jones, 2023). Le hoja lintlha tse kang ho roala ha lisebelisoa, ho kheloha ha mocheso, le ho kheloha ha mosebetsi li kenya letsoho ho theha liphoso, ho se lefelloe ho se nepahale ha li-geometric ka har'a CNC lathe ka boeona-haholo-holo ho kheloha ha li-linear positioning le ho tsamaisana ha li-axes-li khetholloa e le lisosa tse ka sehloohong bakeng sa taper e hlophisitsoeng (Chen et al., 2021, 2021; Mekhoa ea khale ea matšeliso ea liteko le liphoso hangata e nka nako 'me e haelloa ke lintlha tse felletseng tse hlokahalang bakeng sa ho lokisa liphoso ho pholletsa le palo eohle ea mosebetsi. Phuputso ena e hlahisa le ho netefatsa mokhoa o hlophisitsoeng oa ho lekanya o nepahetseng o sebelisang laser interferometry ho lekanya le ho lefella liphoso tsa geometri tse ikarabellang ka ho toba bakeng sa sebopeho sa taper ho CNC-turned shafts.
2 Mekhoa ea Lipatlisiso
2.1 Moralo oa Protocol ea Calibration
Moralo oa mantlha o kenyelletsa tatellano ea 'mapa oa liphoso tsa volumetric le mokhoa oa matšeliso. Khopolo-taba ea mantlha e lekantsoeng hantle le ho lefa liphoso tsa jometri tsa lilepe tse melang tsa CNC lathe (X le Z) li tla amahanngoa ka kotloloho le ho felisoa ha li-taper tse lekantsoeng ho li-shafts tse hlahisitsoeng.
2.2 Ho Fumana Boitsebiso & Ho Seta ka Teko
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Sesebelisoa sa Mochine: Setsi sa phetolo sa 3-axis CNC (Etsa: Okuma GENOS L3000e, Controller: OSP-P300) e sebelitse e le sethala sa teko.
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Sesebelisoa sa Tekanyo: Laser interferometer (Renishaw XL-80 laser head e nang le XD linear optics le RX10 rotary axis calibrator) e fane ka lintlha tsa tekanyo tse ka latelloang ho latela maemo a NIST. Ho nepahala ha maemo a mela, ho otloloha (ka lifofane tse peli), liphoso tsa ho phahama le ho phahama ha lilepe tsa X le Z li lekantsoe ka linako tse 100mm leetong le felletseng (X: 300mm, Z: 600mm), ho latela mekhoa ea ISO 230-2:2014.
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Mosebetsi le Machining: Lisebelisoa tsa liteko (Material: AISI 1045 tšepe, Litekanyo: Ø20x150mm, Ø50x300mm) li ne li entsoe tlas'a maemo a tsitsitseng (Ho itšeha Lebelo: 200 m / min, Feed: 0.15 mm / rev, Botebo ba Cut: 0.5 mm CVD kenya, Tool ea DcoNMG ea koloi: DcoNMG 150608) pele le ka mor'a ho lekanya. Sepholisa se kentsoe.
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Tekanyo ea Taper: Li-diameter tsa shaft ea ka mor'a ho sebetsa li ile tsa lekanngoa ka nako ea 10mm ka bolelele ho sebelisoa mochine o lekanyang o nepahetseng o holimo oa ho hokahanya (CMM, Zeiss CONTURA G2, Phoso e Felletseng e Dumelloang: (1.8 + L/350) µm). Phoso ea "taper" e balletsoe joalo ka moepa oa tatellano ea mola oa bophara khahlano le boemo.
2.3 Phethahatso ea Matšeliso a Phoso
Lintlha tsa phoso ea volumetric ho tsoa ho tekanyo ea laser li ile tsa sebetsoa ho sebelisoa software ea Renishaw's COMP ho hlahisa litafole tsa matšeliso tse ikhethileng. Litafole tsena, tse nang le litekanyetso tsa tokiso tse itšetlehileng ka maemo bakeng sa phalliso ea mela, liphoso tsa angular, le ho kheloha ho otlolohileng, li kentsoe ka kotloloho mecheng ea matšeliso ea phoso ea sesebelisoa sa mochini ka har'a molaoli oa CNC (OSP-P300). Setšoantšo sa 1 se bonts'a likarolo tsa mantlha tsa phoso tsa geometri tse lekantsoeng.
3 Liphetho le Tlhahlobo
3.1 'Mapa oa Phoso ea Pele ho Calibration
Tekanyo ea laser e bonts'itse liphapang tse kholo tsa geometri tse tlatselletsang ho taper e ka bang teng:
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Z-axis: Phoso ea boemo ba +28µm ho Z=300mm, ho bokella phoso ea ho phahama ha -12 arcsec ho feta leeto la 600mm.
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X-axis: Phoso ea Yaw ea +8 arcsec holim'a leeto la 300mm.
Liphapang tsena li tsamaisana le liphoso tse hlokometsoeng tsa "taper pre-calibration" tse lekantsoeng ho Ø50x300mm shaft, e bontšitsoeng ho Lethathamo la 1. Mokhoa o ka sehloohong oa phoso o bontšitse keketseho e tsitsitseng ea bophara ho ea qetellong ea tailstock.
Letlapa la 1: Liphetho tsa Tekanyo ea Phoso ea Taper
| Shaft Dimension | Pre-Calibration Taper (µm/100mm) | Taper ea Post-Calibration (µm/100mm) | Phokotso (%) |
|---|---|---|---|
| Ø20mm x 150mm | +14,3 | +1.1 | 92.3% |
| Ø50mm x 300mm | +16,8 | +1,7 | 89.9% |
| Tlhokomeliso: Positive taper e bonts'a bophara bo ntseng bo eketseha hole le chuck. |
3.2 Ts'ebetso ea kamora 'Calibration
Ts'ebetsong ea li-vector tsa matšeliso tse fumanoeng li ile tsa fella ka phokotso e kholo ea phoso e lekantsoeng ea li-shafts tse peli tsa liteko (Letlapa la 1). The Ø50x300mm shaft e bonts'itse phokotso ho tloha ho +16.8µm/100mm ho ea ho +1.7µm/100mm, e emelang ntlafatso ea 89.9%. Ka mokhoa o ts'oanang, shaft ea Ø20x150mm e bontšitse phokotso ho tloha ho +14.3µm/100mm ho ea ho +1.1µm/100mm (ntlafatso ea 92.3%). Setšoantšo sa 2 se bapisa ka mokhoa o hlakileng lifaele tsa diametric tsa Ø50mm shaft pele le ka mor'a ho lekanya, ho bontša ka ho hlaka ho felisoa ha mokhoa o hlophisitsoeng oa taper. Boemo bona ba ntlafatso bo feta liphetho tse tloaelehileng tse tlalehiloeng bakeng sa mekhoa ea mats'eliso a matsoho (mohlala, Zhang & Wang, 2022 e tlalehile ~ phokotso ea 70%) mme e totobatsa katleho ea matšeliso a felletseng a volumetric.
4 Puisano
4.1 Tlhaloso ea Liphetho
Phokotso e kholo ea phoso ea taper e tiisa ka ho toba khopolo-taba. Mochine o ka sehloohong ke tokiso ea phoso ea boemo ba Z-axis le ho kheloha ha molumo, e leng se entseng hore tsela ea lisebelisoa e khelohe tseleng e nepahetseng e bapileng e amanang le axis ea spindle ha kariki e ntse e tsamaea Z. Matšeliso a ile a felisa phapang ena. Phoso e setseng (<2µm/100mm) mohlomong e bakoa ke mehloli e sa amoheleheng ho puseletso ea jiometri, joalo ka litlamorao tsa motsotsoana oa mocheso nakong ea mochini, ho fapoha ha lisebelisoa ka tlasa matla a ho itšeha, kapa ho se kholisehe ha tekanyo.
4.2 Meeli
Boithuto bona bo ne bo tsepamisitse maikutlo holim'a matšeliso a phoso a geometri tlas'a maemo a leka-lekaneng a haufi le mocheso a tloaelehileng a potoloho ea tlhahiso ea mocheso. Ha ea ka ea fana ka mohlala ka ho hlaka kapa ho lefella liphoso tse bakiloeng ke mocheso tse hlahang nakong ea tlhahiso e atolositsoeng kapa ho fetoha ho hoholo ha thempereichara. Ho feta moo, katleho ea protocol ho mechini e nang le ts'oaetso e matla kapa e senyehileng ho litataiso / li-ballscrews ha ea ka ea hlahlojoa. Tšusumetso ea matla a phahameng haholo a ho felisa matšeliso le eona e ne e feta tekanyo ea hona joale.
4.3 Liphello Tse Sebetsang
Protocol e bonts'itsoeng e fa bahlahisi mokhoa o matla, o ka phetoang bakeng sa ho fihlela phetoho e nepahetseng ea cylindrical, e hlokahalang bakeng sa lits'ebetso tsa sefofane, lisebelisoa tsa bongaka le likarolo tsa koloi tse sebetsang hantle. E fokotsa litefiso tsa scrap tse amanang le ho se lumellane ha taper le ho fokotsa ho itšetleha ka bokhoni ba opareitara bakeng sa matšeliso a matsoho. Tlhokahalo ea laser interferometry e emela letsete empa e nepahetse bakeng sa lits'ebeletso tse hlokang mamello ea boemo ba micron.
5 Qetello
Boithuto bona bo tiisa hore ho lekanya ka nepo ka mokhoa o hlophisehileng, ho sebelisa laser interferometry bakeng sa 'mapa oa liphoso tsa geometric tsa volumetric le puseletso ea taolo ea CNC e latelang, e sebetsa haholo bakeng sa ho felisa liphoso tsa taper ho li-shafts tse fetotsoeng tsa CNC. Liphetho tsa liteko li bonts'itse phokotso e fetang 89%, e fihletseng taper e ka tlase ho 2µm/100mm. Mochini oa mantlha ke puseletso e nepahetseng ea liphoso tsa ho beha mehala le ho kheloha ha li-angilar (pitch, yaw) lilepeng tsa mochini. Liqeto tsa bohlokoa ke:
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'Mapa o felletseng oa liphoso tsa jiometri o bohlokoa bakeng sa ho khetholla liphapang tse itseng tse bakang taper.
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Matšeliso a tobileng a liphapang tsena ka har'a molaoli oa CNC e fana ka tharollo e sebetsang haholo.
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Protocol e fana ka lintlafatso tse kholo tsa ho nepahala ha maemo ho sebelisoa lisebelisoa tse tloaelehileng tsa metrology.
Nako ea poso: Jul-19-2025
