PFT, Shenzhen
Kusunga zitsulo zotayidwa bwino za CNC zodulira madzimadzi kumakhudza mwachindunji kuvala kwa zida ndi mtundu wa swarf. Kafukufukuyu amawunika ma protocol oyendetsera madzi kudzera pamayesero oyendetsedwa ndi makina komanso kusanthula kwamadzi. Zotsatira zikuwonetsa kuti kuwunika kwa pH kosasinthasintha (kusiyana kosiyanasiyana 8.5-9.2), kusunga ndende pakati pa 7-9% pogwiritsa ntchito refractometry, ndikugwiritsa ntchito kusefa kwa magawo awiri (40µm otsatiridwa ndi 10µm) kumakulitsa moyo wa zida ndi avareji ya 28% ndikuchepetsa kukhazikika kwa swarf ndi 73% poyerekeza ndi madzi osayendetsedwa. Kuthamanga kwamafuta pafupipafupi (> 95% kuchotsa mlungu uliwonse) kumalepheretsa kukula kwa bakiteriya komanso kusakhazikika kwa emulsion. Kuwongolera bwino kwamadzimadzi kumachepetsa mtengo wa zida ndi kutsika kwa makina.
1. Mawu Oyamba
CNC machining a aluminiyamu amafuna mwatsatanetsatane ndi bwino. Kudula zamadzimadzi ndikofunikira pakuziziritsa, kudzoza, ndi kuchotsa chip. Komabe, kuwonongeka kwa madzimadzi - chifukwa cha kuipitsidwa, kukula kwa mabakiteriya, kugwedezeka kwa ndende, ndi kuchulukidwa kwa mafuta - kumafulumizitsa kuvala kwa zida ndi kusokoneza kuchotsedwa kwa swarf, zomwe zimapangitsa kuti ndalama ziwonjezeke komanso kuchepa. Pofika 2025, kukhathamiritsa kukonza kwamadzimadzi kumakhalabe vuto lalikulu pantchito. Kafukufukuyu akuwonetsa momwe ma protocol okonzekera amakhudzira moyo wautali wa zida ndi mawonekedwe opindika pamapangidwe apamwamba a aluminiyumu ya CNC.
2. Njira
2.1. Mapangidwe Oyesera & Gwero la Data
Mayeso owongolera makina adachitidwa kwa milungu 12 pa mphero zisanu zofananira za CNC (Haas VF-2) processing 6061-T6 aluminiyamu. Semi-synthetic cutting fluid (Brand X) idagwiritsidwa ntchito pamakina onse. Makina amodzi amakhala ngati owongolera ndi okhazikika, okhazikika (madzi amasintha pokhapokha atawonongeka). Zina zinayi zidakhazikitsa protocol yokhazikika:
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Kuyikira Kwambiri:Kuyesedwa tsiku ndi tsiku pogwiritsa ntchito digito refractometer (Atago PAL-1), yosinthidwa kukhala 8% ± 1% ndi concentrate kapena DI madzi.
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pH:Imayang'aniridwa tsiku ndi tsiku pogwiritsa ntchito pH mita (Hanna HI98103), yosungidwa pakati pa 8.5-9.2 pogwiritsa ntchito zowonjezera zovomerezeka ndi opanga.
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Sefa:Kusefera kwapawiri: 40µm thumba fyuluta kutsatiridwa ndi 10µm katiriji fyuluta. Zosefera zasinthidwa kutengera kusiyanasiyana kwapakatikati (≥ 5 psi kuwonjezeka).
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Kuchotsa Mafuta a Tramp:Wowombera lamba amagwira ntchito mosalekeza; madzimadzi amawunikidwa tsiku ndi tsiku, kuchita bwino kwa skimmer kumatsimikiziridwa mlungu uliwonse (> 95% kuchotsa cholinga).
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Make-up Fluid:Madzi osakanizidwa okha (pa 8%) amagwiritsidwa ntchito pazowonjezera.
2.2. Kusonkhanitsa Data & Zida
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Zida Zovala:Flank wear (VBmax) yoyezera m'mphepete mwa mphero zoyambira 3-chitoliro cha carbide (Ø12mm) pogwiritsa ntchito maikulosikopu ya wopanga zida (Mitutoyo TM-505) pambuyo pa magawo 25 aliwonse. Zida m'malo VBmax = 0.3mm.
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Swarf Analysis:Swarf amasonkhanitsidwa pambuyo pa gulu lililonse. "Kumamatira" kudavotera pa sikelo ya 1 (yopanda madzi, yowuma) mpaka 5 (yodzaza, yamafuta) ndi 3 ogwiritsa ntchito pawokha. Avereji ya mphambu yojambulidwa. Kugawa kwa chip kukula kumawunikidwa nthawi ndi nthawi.
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Mkhalidwe Wamadzi:Zitsanzo zamadzimadzi zamlungu ndi mlungu zomwe zimawunikidwa ndi labu yodziyimira payokha yowerengera mabakiteriya (CFU/mL), mafuta a tramp (%), ndi kutsimikizika kwa ndende / pH.
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Kutha kwa Makina:Amajambulidwa kuti asinthe zida, kupanikizana kokhudzana ndi swarf, komanso ntchito zosamalira madzimadzi.
3. Zotsatira & Analysis
3.1. Chida Life Extension
Zida zomwe zimagwira ntchito pansi pa ndondomeko yokonza zokonzedwa zimafika pazigawo zambiri zisanafunike kusinthidwa. Chida chapakati pazida chinawonjezeka ndi 28% (kuchokera ku 175 magawo / chida chowongolera mpaka 224 magawo / chida pansi pa protocol). Chithunzi 1 chikuwonetsa kufananizira kwa kavalidwe kambali kopitilira.
3.2. Kupititsa patsogolo Ubwino wa Swarf
Kukhazikika kwa Swarf kunawonetsa kuchepa kwakukulu pansi pa protocol yoyendetsedwa, pafupifupi 1.8 poyerekeza ndi 4.1 pakuwongolera (kuchepetsa 73%). Madzi oyendetsedwa bwino amapangidwa mowuma, tchipisi tating'onoting'ono (Chithunzi 2), kukonza bwino kutuluka komanso kuchepetsa kudzaza kwa makina. Nthawi yopuma yokhudzana ndi zovuta za swarf idatsika ndi 65%.
3.3. Kukhazikika kwamadzimadzi
Kusanthula kwa labu kunatsimikizira kuchita bwino kwa protocol:
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Kuwerengera kwa mabakiteriya kunakhalabe pansi pa 10³ CFU/mL m'makina oyendetsedwa, pomwe kuwongolera kudapitilira 10⁶ CFU/mL pa sabata 6.
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Mafuta a tramp pafupifupi <0.5% mumadzi oyendetsedwa ndi> 3% pakuwongolera.
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Kukhazikika ndi pH zidakhalabe zokhazikika m'mizere yomwe chandamale yamadzi oyendetsedwa, pomwe kuwongolera kunawonetsa kugwedezeka kwakukulu (kutsika kutsika mpaka 5%, pH kugwera ku 7.8).
*Gulu 1: Zizindikiro Zofunika Kwambiri - Zoyendetsedwa ndi Control Fluid*
Parameter | Managed Fluid | Control Madzimadzi | Kupititsa patsogolo |
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Avg. Tool Life (gawo) | 224 | 175 | + 28% |
Avg. Kukakamira kwa Swarf (1-5) | 1.8 | 4.1 | -73% |
Swarf Jam Downtime | Zachepetsedwa ndi 65% | Zoyambira | -65% |
Avg. Chiwerengero cha Bakiteriya (CFU/mL) | <1,000 | > 1,000,000 | > 99.9% kutsika |
Avg. Mafuta a Tramp (%) | <0.5% | 3% | > 83% kutsika |
Kukhazikika Kwambiri | 8% ± 1% | Kufikira ~ 5% | Wokhazikika |
pH Kukhazikika | 8.8 ±0.2 | Kuthamangitsidwa ku ~ 7.8 | Wokhazikika |
4. Kukambitsirana
4.1. Zotsatira Zoyendetsa Njira
Zosinthazo zimachokera mwachindunji ku zochita zosamalira:
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Kukhazikika Kokhazikika & pH:Kuonetsetsa kuti mafuta akukhazikika komanso kuletsa dzimbiri, kuchepetsa mwachindunji kuvala kwa abrasive ndi mankhwala pazida. PH yokhazikika imalepheretsa kuwonongeka kwa emulsifiers, kusunga umphumphu wamadzimadzi ndikuletsa "kuwotcha" komwe kumawonjezera kumamatira kwa swarf.
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Sefa Yogwira Ntchito:Kuchotsa tinthu tating'ono ting'onoting'ono tachitsulo (chilichonse) kumachepetsa kuvala kwa abrasive pazida ndi zida. Madzi oyeretsera nawonso ankayenda bwino kwambiri pozizirira komanso kutsuka tchipisi.
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Kuwongolera Mafuta a Tramp:Mafuta a tramp (kuchokera ku lube, hydraulic fluid) amasokoneza emulsion, amachepetsa kuzizira bwino, ndipo amapereka chakudya cha mabakiteriya. Kuchotsedwa kwake kunali kofunika kwambiri kuti tipewe kusungunuka ndi kusunga bata lamadzimadzi, zomwe zimathandizira kwambiri pakuyeretsa.
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Kuponderezedwa ndi Bakiteriya:Kusunga ndende, pH, ndikuchotsa mabakiteriya omwe amafa ndi njala yamafuta, kuteteza ma acid ndi matope omwe amapanga omwe amawononga magwiridwe antchito amadzimadzi, kuwononga zida, ndikuyambitsa fungo loyipa / zomata.
4.2. Zolepheretsa & Zotsatira Zothandiza
Kafukufukuyu adayang'ana pamadzi enieni (semi-synthetic) ndi aloyi ya aluminiyamu (6061-T6) yomwe imayendetsedwa koma yotheka kupanga. Zotsatira zimatha kusiyanasiyana pang'ono ndi madzi, ma aloyi, kapena makina opangira makina (mwachitsanzo, makina othamanga kwambiri). Komabe, mfundo zazikuluzikulu zakuwongolera ndende, kuwunika kwa pH, kusefera, ndi kuchotsa mafuta a tramp zimagwira ntchito padziko lonse lapansi.
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Mtengo Wokhazikitsa:Imafunika ndalama pazida zowunikira (refractometer, pH mita), makina osefera, ndi otsetsereka.
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Ntchito:Imafunika kuwunika kwatsiku ndi tsiku ndikusinthidwa ndi ogwira ntchito.
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ROI:Kuwonjezeka kwa 28% kwa moyo wa zida ndi kuchepetsa 65% kwa nthawi yopuma yokhudzana ndi swarf kumapereka kubweza bwino kwa ndalama, kuthetsa mtengo wa pulogalamu yokonza ndi zipangizo zoyendetsera madzi. Kuchepetsa kutayika kwamadzimadzi (chifukwa cha moyo wautali wa sump) ndikopulumutsanso.
5. Mapeto
Kusunga zotayidwa CNC kudula madzimadzi si optional kuti ntchito mulingo woyenera; ndi ntchito yofunika kwambiri. Kafukufukuyu akuwonetsa kuti ndondomeko yokhazikika yomwe imayang'ana kuwunika kwa tsiku ndi tsiku ndi pH (zolinga: 7-9%, pH 8.5-9.2), kusefa kwapawiri (40µm + 10µm), ndi kuchotsa mafuta ochulukirapo (> 95%) kumapereka phindu lalikulu, loyezeka:
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Moyo Wachida Wowonjezera:Kuwonjezeka kwapakati ndi 28%, kuchepetsa mwachindunji mtengo wa zida.
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Nsapato Zoyeretsa:73% kuchepetsa kukakamira, kuwongolera kwambiri kutuluka kwa chip ndikuchepetsa kudzaza kwa makina / nthawi yopuma (kuchepetsa 65%).
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Madzi Okhazikika:Imalepheretsa kukula kwa bakiteriya ndikusunga umphumphu wa emulsion.
Mafakitole ayenera kuika patsogolo kukhazikitsa ndondomeko zoyendetsera madzimadzi. Kafukufuku wamtsogolo angayang'ane zotsatira za ma phukusi owonjezera omwe ali pansi pa protocol iyi kapena kuphatikizika kwa makina owonetsetsa amadzimadzi nthawi yeniyeni.
Nthawi yotumiza: Aug-04-2025