PFT, Shenzhen
Ho boloka boemo bo nepahetseng ba aluminium CNC ho itšeha mokelikeli ho ama ka kotloloho ho roala ha lisebelisoa le boleng ba swarf. Phuputso ena e lekola liprothokholo tsa taolo ea mokelikeli ka liteko tse laoloang tsa mochini le tlhahlobo ea mokelikeli. Liphetho li bonts'a hore tlhahlobo e sa fetoheng ea pH (sepheo sa 8.5-9.2), ho boloka mahloriso lipakeng tsa 7-9% ho sebelisoa refractometry, le ho kenya ts'ebetso ea methati e 'meli (40µm e lateloang ke 10µm) ho lelefatsa bophelo ba lisebelisoa ka karolelano ea 28% le ho fokotsa ho khomarela ha swarf ka 73% ha ho bapisoa le mokelikeli o sa laoleheng. Ho senya oli ea tramp kamehla (> 95% ho tlosoa beke le beke) ho thibela kholo ea baktheria le ho se tsitse ha emulsion. Tsamaiso e sebetsang ea mokelikeli e fokotsa litšenyehelo tsa lisebelisoa le ho fokotsa nako ea mochine.
1. Selelekela
CNC machining ea aluminium e hloka ho nepahala le ho sebetsa hantle. Mekelikeli e sehang ke ea bohlokoa bakeng sa ho pholisa, ho tlotsa le ho ntša chip. Leha ho le joalo, ho senyeha ha mokelikeli - ho bakoang ke tšilafalo, ho hōla ha baktheria, ho hoholeha ha mahloriso le ho bokella oli ea tramp - ho potlakisa ho roala ha lisebelisoa le ho senya ho tlosoa ha li-swarf, ho lebisang litšenyehelong tse eketsehileng le ho fokotsa nako. Ka 2025, ho ntlafatsa tlhokomelo ea mokelikeli e ntse e le phephetso ea bohlokoa ea ts'ebetso. Boithuto bona bo lekanya phello ea liprothokholo tse khethehileng tsa tlhokomelo ho nako e telele ea lisebelisoa le litšobotsi tsa swarf tlhahisong e phahameng ea aluminium ea CNC.
2. Mekhoa
2.1. Moralo oa Teko le Mohloli oa Boitsebiso
Liteko tse laoloang tsa machining li entsoe libeke tse 12 ho li-mill tse 5 tse ts'oanang tsa CNC (Haas VF-2) e sebetsanang le 6061-T6 aluminium. Mokelikeli oa semi-synthetic cutting (Brand X) o ne o sebelisoa ho pholletsa le mechine eohle. Mochini o le mong o ne o sebetsa e le taolo ka tlhokomelo e tloaelehileng, e sebetsang hantle (mokelikeli o fetoha feela ha o bonahala o senyehile). Ba bang ba bane ba kentse tšebetsong protocol e hlophisitsoeng:
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Tsepamiso ea maikutlo:E lekanyetsoa letsatsi le leng le le leng ka ho sebelisa digital refractometer (Atago PAL-1), e lokiselitsoeng ho 8% ± 1% ka concentrate kapa DI metsi.
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pH:E behoa leihlo letsatsi le leng le le leng ho sebelisoa pH meter e lekantsoeng (Hanna HI98103), e bolokiloeng lipakeng tsa 8.5-9.2 ho sebelisoa li-additives tse amohetsoeng ke moetsi.
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Sefa:Filtration ea mekhahlelo e 'meli: filthara ea mokotla ea 40µm e lateloa ke filtara ea 10µm cartridge. Li-filters li fetohile ho latela phapang ea khatello (≥ 5 psi keketseho).
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Ho Tlosa Oli ea Tramp:Motho ea thellang lebanta o ne a sebetsa a sa khaotse; metsi a hlahlojoa letsatsi le leng le le leng, ts'ebetso ea skimmer e netefatsoa beke le beke (> 95% ea ho tlosa sepheo).
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Make-up Fluid:Ke feela mokelikeli o kopantsoeng pele (ka 8% ea mahloriso) o sebelisetsoang ho eketsa holimo.
2.2. Pokello ea Lintlha le Lisebelisoa
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Tool Wear:Flank wear (VBmax) e lekantsoeng ka mahlakoreng a mantlha a 3-flute carbide end mill (Ø12mm) ho sebelisoa maekorosekopo ea moetsi oa lithulusi (Mitutoyo TM-505) ka mor'a likarolo tse ling le tse ling tse 25. Lisebelisoa li nkeloe sebaka VBmax = 0.3mm.
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Tlhahlobo ea Swarf:Swarf e bokelloa ka mor'a sehlopha ka seng. "Ho khomarela" ho lekantsoe ka tekanyo ea 1 (e phallang mahala, e omeletseng) ho ea ho 5 (clumped, greasy) ke basebetsi ba 3 ba ikemetseng. Karolelano ea lintlha tse tlalehiloeng. Kabo ea boholo ba chip e hlahlojoa nako le nako.
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Boemo ba Mokelikeli:Mehlala ea mokelikeli oa beke le beke e hlahlobiloeng ke laboratori e ikemetseng bakeng sa palo ea baktheria (CFU/mL), oli ea tramp (%), le netefatso ea mahloriso / pH.
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Nako ea ho tima Mochini:E rekotetsoe bakeng sa liphetoho tsa lisebelisoa, jam e amanang le swarf, le mesebetsi ea ho lokisa maro.
3. Liphetho & Analysis
3.1. Tool Life Extension
Lisebelisoa tse sebetsang tlas'a melaoana e hlophisitsoeng ea tlhokomelo li ne li lula li fihla ho palo e phahameng pele li hloka ho nkeloa sebaka. Ka karolelano bophelo ba lisebelisoa bo eketsehile ka 28% (ho tloha likarolong tsa 175 / sesebelisoa se laolang ho ea likarolong tsa 224 / sesebelisoa tlas'a protocol). Setšoantšo sa 1 se bonts'a papiso e tsoelang pele ea liaparo tsa mapheo.
3.2. Ntlafatso ea Boleng ba Swarf
Litekanyetso tsa ho khomarela li-swarf li bontšitse ho fokotseha ho hoholo tlas'a protocol e laoloang, e leng karolelano ea 1.8 ha e bapisoa le 4.1 bakeng sa taolo (phokotso ea 73%). Mokelikeli o laoloang o ile oa hlahisa litsupa tse omeletseng, tse nang le granular (setšoantšo sa 2), ho ntlafatsa haholo phallo le ho fokotsa jeme ea mochini. Nako ea ho phomola e amanang le mathata a swarf e fokotsehile ka 65%.
3.3. Mokelikeli botsitso
Tlhahlobo ea Lab e netefalitse katleho ea protocol:
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Lipalo tsa baktheria li ile tsa lula li le ka tlase ho 10³ CFU/mL lits'ebetsong tse laoloang, ha taolo e feta 10⁶ CFU/mL ka beke ea 6.
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Likahare tsa oli ea tramp ka karolelano <0.5% ka mokelikeli o laoloang vs.> 3% taolong.
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Khokahano le pH li ile tsa lula li tsitsitse ka har'a meketjana e shebiloeng bakeng sa mokelikeli o laoloang, ha taolo e bonts'a ho hoholeha ho hoholo (ho theohela ho 5%, pH e oela ho 7.8).
*Letlapa la 1: Lipontšo tsa Bohlokoa tsa Ts'ebetso - Laoged vs. Control Fluid*
| Paramethara | Mokelikeli o Laolehileng | Mokelikeli oa ho Laola | Ntlafatso |
|---|---|---|---|
| Avg. Tool Life (likarolo) | 224 | 175 | + 28% |
| Avg. Khomarela ea Swarf (1-5) | 1.8 | 4.1 | -73% |
| Swarf Jam Downtime | E fokotsehile ka 65% | Baseline | -65% |
| Avg. Palo ea Libaktheria (CFU/mL) | <1 000 | > 1,000,000 | > 99.9% e tlase |
| Avg. Oli ea Tramp (%) | <0.5% | 3% | > 83% tlase |
| Boiketlo ba ho tsepamisa maikutlo | 8% ±1% | E huleloa ho ~ 5% | E tsitsitseng |
| pH botsitso | 8.8 ±0.2 | E huleloa ho ~ 7.8 | E tsitsitseng |
4. Puisano
4.1. Mechanisms Driving Results
Lintlafatso li hlaha ka kotloloho lits'ebetsong tsa tlhokomelo:
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Tekanyo e tsitsitseng le pH:E netefalitse hore ho na le lubricity le corrosion inhibition, ho fokotsa ka kotloloho ho senyeha ha lik'hemik'hale lithulusing. PH e tsitsitseng e ile ea thibela ho senyeha ha li-emulsifiers, ho boloka botšepehi ba mokelikeli le ho thibela "souring" e eketsang ho khomarela.
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Sefe e Sebetsang:Ho tlosoa ha likaroloana tse ntle tsa tšepe (li-swarf fines) ho fokotsehile ho apara ka matla holim'a lisebelisoa le lisebelisoa tsa mosebetsi. Mokelikeli o hloekileng le oona o ne o phalla ka mokhoa o atlehileng haholoanyane bakeng sa ho pholisa le ho hlatsoa chip.
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Taolo ea Oli ea Tramp:Oli ea tramp (ho tloha ka lube, hydraulic fluid) e senya emulsions, e fokotsa bokhoni ba ho pholisa, 'me e fana ka mohloli oa lijo bakeng sa libaktheria. Ho tlosoa ha eona ho ne ho le bohlokoa bakeng sa ho thibela rancidity le ho boloka botsitso ba mokelikeli, e leng se tlatsetsang haholo ho hloekisoang ho hloekisa.
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Khatello ea Libaktheria:Ho boloka mahloriso, pH, le ho tlosa libaktheria tse bolailoeng ke oli ea tramp, ho thibela li-acids le slime tseo li li hlahisang tse senyang ts'ebetso ea mokelikeli, lisebelisoa tse senyang, le ho baka monko o litšila / monko o monate.
4.2. Meeli le Liphello Tse Sebetsang
Phuputso ena e tsepamisitse maikutlo ho mokelikeli o itseng (semi-synthetic) le motsoako oa aluminium (6061-T6) tlas'a maemo a hlahisoang a laoloang empa e le a sebele. Liphetho li ka fapana hanyane ka maro a fapaneng, lialloi, kapa liparamente tsa mochini (mohlala, machining a lebelo le holimo haholo). Leha ho le joalo, melaoana ea mantlha ea taolo ea mahloriso, tlhahlobo ea pH, ho sefa, le ho tlosoa ha oli ea tramp e sebetsa hohle.
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Litšenyehelo tsa Ts'ebetsong:E hloka matsete ho lisebelisoa tsa ho beha leihlo (refractometer, pH meter), lits'ebetso tsa filtration, le skimmers.
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Mosebetsi:E hloka licheke tse laolehileng tsa letsatsi le letsatsi le litokiso ke basebelisi.
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ROI:Keketseho e bonts'itsoeng ea 28% ea bophelo ba lisebelisoa le phokotso ea 65% ea nako ea ho theoha e amanang le swarf e fana ka poelo e hlakileng ea matsete, ho fokotsa litšenyehelo tsa lenaneo la tlhokomelo le thepa ea taolo ea mokelikeli. Phokotso ea maqhubu a ho lahla metsi (ka lebaka la bophelo bo bolelele ba sump) ke poloko e eketsehileng.
5. Qetello
Ho boloka mokelikeli oa aluminium oa CNC ha se boikhethelo bakeng sa ts'ebetso e nepahetseng; ke ts'ebetso ea bohlokoa haholo. Boithuto bona bo bonts'a hore protocol e hlophisitsoeng e shebaneng le ts'ebeliso ea letsatsi le letsatsi le pH monitoring (lipheo: 7-9%, pH 8.5-9.2), ho sefa ha mekhahlelo e 'meli (40µm + 10µm), le ho tlosoa ha oli ea tramp ka mabifi (> 95%) ho fana ka melemo e mengata, e ka lekanngoang:
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Bophelo ba Sesebelisoa bo Atolositsoeng:Karolelano ea keketseho ea 28%, e fokotsang litšenyehelo tsa lisebelisoa ka kotloloho.
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Hloekisa Swarf:Phokotso ea 73% ea ho khomarela, ho ntlafatsa haholo ho tlosoa ha li-chip le ho fokotsa ho jam ha mochine / nako ea ho theoha (phokotso ea 65%).
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Mokelikeli o tsitsitseng:E hatelletse kholo ea baktheria le ho boloka botšepehi ba emulsion.
Lifeme li lokela ho etelletsa pele ho kenya tšebetsong mananeo a tsamaiso ea mokelikeli o laolehileng. Lipatlisiso tsa nako e tlang li ka hlahloba phello ea liphutheloana tse itseng tsa tlatsetso tlas'a protocol ena kapa ho kopanngoa ha mekhoa ea ho hlahloba metsi ka nako ea sebele.
Nako ea poso: Aug-04-2025
