CNC milling kam rau ua txiav txim siab seb ib feem haum, ntsaws ruaj ruaj, lossis tsis ua haujlwm. Qhia tias nws xoob dhau lawm thiab cov khoom sib dhos rattle lossis xau. Qhia nws nruj dhau thiab koj them rau qhov tseeb qhov tsis xav tau. High precision CNC milling tuaj yeem xa cov kev tswj hwm qhov tseem ceeb xav tau - tab sis tsuas yog thaum daim ntawv thov xav tau tiag tiag.
Standard CNC vs High Precision CNC: kam rau ua piv
Feem ntau niaj hnub CNC mills tuav cov khoom raug raws li cov khw muag khoom ib txwm muaj. Qhov sib txawv tiag tiag tshwm sim thaum koj thawb mus rau hauv qhov nruj dua. Daim ntawv qhia txog CNC milling kam rau ua hauv qab no qhia txog cov txiaj ntsig zoo uas tau txais los ntawm kev ua lag luam thiab ISO- cov qauv ntsuas. Cov txiaj ntsig tiag tiag tseem nyob ntawm qhov loj me, geometry, cov khoom siv, thiab cov txheej txheem kev qhuab qhia.
|
Qeb |
Hom Linear Tolerance |
Common sib npaug |
Tej yam siv |
Tus nqi cuam tshuam |
|
Txheem CNC milling |
± 0.05 - ± 0.13 hli (± 0.002 - ± 0.005 nyob rau hauv) |
ISO 2768-m / IT8-IT10 |
Cov khoom siv, cov ntaub thaiv npog, tsis yog - cov yam ntxwv tseem ceeb |
Lub hauv paus |
|
Precision CNC milling |
± 0.025 - 0.05 hli (± 0.001 - ± 0.002 nyob rau hauv) |
Zoo ISO / IT6-IT8 |
Functional fits, mating nto |
+20–50% |
|
High / nruj kam rau ua CNC machining |
± 0.01 - 0.025 hli (± 0.0004 - ± 0.001 nyob rau hauv) |
IT5-IT7 nrog cov txheej txheem tswj |
Tseem ceeb aerospace, kho mob, kho qhov muag nta |
+50–150%+ |
|
Ultra{0}}precision (feem ntau cov txheej txheem thib ob) |
± 0.005 hli los yog nruj dua (± 0.0002 hauv) |
IT4–IT5 + sib tsoo/EDM |
Sealing nto, kho qhov muag mounts, implants |
Tseem ceeb dua |
Txheem CNC milling yooj yim ua tau raws li qhov nruab nrab - chav kawm txwv tsis muaj kev ntsuas tshwj xeeb. Tight kam rau ua CNC machining feem ntau txhais tau tias ua tiav qeeb qeeb, cov cuab yeej ntse dua, qhov kub thiab txias - teeb tsa ruaj khov, ruaj khov kho, thiab tshuaj xyuas ntau zaus. Thaum koj poob qis qis dua li ± 0.01 hli, ntau lub khw txav cov yam ntxwv tseem ceeb rau kev sib tsoo, reaming, lossis xaim EDM.
Dab tsi tiag txwv CNC Milling Tolerance
Plaub yam tseem ceeb ua tus thawj- cov txiaj ntsig hauv ntiaj teb.
Cov khoom siv coj los ua ntej. Aluminium expands li ob zaug ntau npaum li steel rau tib qhov kub thiab txias hloov. Ib qho 10℃nce ntawm 100 mm aluminium feature tuaj yeem hloov qhov loj los ntawm kwv yees li 0.023 mm - txaus los noj tag nrho cov kab mob nruj. Cov phab ntsa nyias nyias thiab cov kev ntxhov siab uas seem ua rau qhov teeb meem loj dua. Harder alloys xws li titanium tsim kom muaj cua sov thiab txiav quab yuam, yog li cov txheej txheem qhov rais nqaim sai.
Tooling yog tom ntej no. Tool deflection nce sharply nrog stick-tawm ntev. Lub qhov kawg zeb nyob rau hauv load tau yooj yim thawb lub feature sab nraum ± 0.025 hli. Hnav hloov txoj kab uas hla zoo li lub sijhawm. Cov cuab yeej luv luv, nruj carbide nrog cov txheej txheem tsim nyog tuav cov duab geometry ntev dua li siab -ceev steel hauv kev ua haujlwm precision. Spindle runout thiab tuav rigidity teeb lub tswv yim hauv pem teb.
Tshuab rigidity thiab mob tseem ceeb npaum li cas. Cov qauv nruj, zoo-cov lus qhia tuav, tsis tshua muaj kev cuam tshuam, thiab kev ntsuas qhov tseeb tsim lub hauv paus. Ntau -axis tshuab txo cov teeb tsa- nce, tab sis tsuas yog tias cov axis teb thiab kho lawv tus kheej nyob ruaj khov thiab ntsuas. Cov cuab yeej qub lossis cov cuab yeej tswj tsis tau muaj teeb meem txawm tias tus qauv kam rau ua.
Thermal deformation feem ntau yog tus tua neeg uas ntsiag to. Thaum tshav kub kub los ntawm kev txiav, spindle bearings, motors, thiab ambient kub expands ob lub tshuab thiab workpiece. Kev loj hlob ntawm spindle raws Z-axis thiab tsis sib xws nthuav dav thoob plaws ib feem loj yog qhov muaj. Kub-chaw tswj, sov kom zoo- mus txog lub voj voog, qhov txias txias, thiab ntsuas qhov sib npaug ntawm cov thermal sib npaug ua qhov tseem ceeb thaum koj nkag mus rau siab precision CNC milling thaj chaw. Ob peb degrees ntawm drift tuaj yeem tshem tawm tag nrho cov kev kam rau siab ntawm cov yam ntxwv tseem ceeb.
Cov xwm txheej no tsis tshua ua ib leeg. Lub tshuab nruj uas siv cov cuab yeej hnav ntawm siab -CTE cov khoom hauv lub khw uas tsis muaj kev tswj hwm yuav tsis xa cov txiaj ntsig nruj, txawm tias daim ntawv teev npe thov.
Qhov twg High Precision Tolerances yeej tseem ceeb
Tsis yog txhua qhov yuav tsum tau nruj siab ntev CNC machining. Cov ntawv thov uas feem ntau qhia ib qho zoo: qhov sib txawv me me cuam tshuam ncaj qha rau kev ua haujlwm, kev nyab xeeb, lossis kev tswj hwm kev ua raws cai.
Kev kho mob cog thiab cov cuab yeej siv - pob txha screws, orthopedic Cheebtsam, cov cuab yeej phais - feem ntau xav tau ± 0.01 hli los yog zoo dua ntxiv rau qhov zoo tshaj plaws nto tiav thiab cov khoom siv biocompatible. Qhov tsis zoo ntawm no tsis yog qhov tsis yooj yim xwb; nws tuaj yeem cuam tshuam cov txiaj ntsig ntawm tus neeg mob.
Aerospace connectors thiab structural fittings fim vibration, kub viav vias, thiab cyclic loading. Mating nto thiab qhov chaw fastener yuav tsum nyob twj ywm muaj tseeb, los yog lub rooj sib txoos poob kev ncaj ncees raws sij hawm.
Optical thiab photonic mounts xav tau nruj qhov chaw thiab daim ntawv tswj kom kho qhov muag axes nyob twj ywm. Txawm tias me me sib txawv tshwm sim raws li kev poob haujlwm.
Semiconductor tooling, siab -cov khoom ua haujlwm ua haujlwm, thiab qee qhov kev tiv thaiv lossis kev tshawb fawb tau poob rau hauv tib qeb. Nyob rau hauv cov ntaub ntawv no tus nqi ntxiv ntawm high precision CNC milling yog tsim nyog los ntawm kev pheej hmoo ntawm kev ua tsis tiav los yog cov nqi ntawm kev rov tsim dua.
Daim ntawv teev npe ceev: Puas yog koj qhov project xav tau High Precision CNC Milling?
Nug cov lus nug no ua ntej koj kaw daim duab:
Puas yog qhov loj me no tswj hwm qhov haum (xovxwm, zawv zawg, lossis kev sib khi) lossis txoj haujlwm tseeb txheeb ze rau lwm yam nta?
Puas yuav hloov pauv li qub hauv ± 0.05-0.13 hli ua rau muaj teeb meem sib dhos, xau, vibration, lossis lub neej luv?
Puas yog kev tswj hwm lossis kev lag luam cov qauv tswj kom nruj dua?
Koj puas tau kuaj xyuas qhov kam rau ua pawg- nyob thoob plaws lub rooj sib txoos?
Puas yog kev ua haujlwm theem nrab (reaming, sib tsoo, honing) ntawm tsuas yog cov yam ntxwv tseem ceeb ua tiav tib yam kev lag luam?
Koj puas tau tham txog cov khoom, qhov loj me, thiab cov duab geometry nrog lub khw uas yuav ua rau qhov tseeb?
Yog hais tias feem ntau cov lus teb rau thawj peb lo lus nug yog "tsis yog," lo nrog cov qauv los yog cov lus qhia meej meej. Kev siv nruj siab ntev CNC machining txhua qhov chaw yog ib txoj hauv kev nrawm tshaj plaws los txhawb tus nqi thiab lub sijhawm ua haujlwm yam tsis muaj kev txhim kho kev ua haujlwm. Kev kos duab ntse siv cov kev zam nruj tsuas yog qhov lawv khwv tau lawv khaws thiab tso siab rau cov ntawv sau dav dav (ISO 2768 lossis sib npaug) rau txhua yam.
Saib Dab tsi High Precision CNC Milling tuaj yeem xa tuaj rau koj qhov chaw
Thaum cov yam ntxwv tseem ceeb tiag tiag xav tau siab precision CNC milling, kev tswj cov txheej txheem, kev tswj qhov kub thiab txias, thiab kev ntsuas ntsuas kev ntseeg tau ua tsis tau - sib tham. Qhia koj cov duab kos thiab qhov yuav tsum tau ua - peb tuaj yeem tshuaj xyuas lub tswv yim kam rau ua, txheeb xyuas qhov kev tswj nruj yog qhov xav tau tiag tiag, thiab qhia tias peb lub peev xwm CNC milling siab npaum li cas phim cov kev xav tau yam tsis muaj nqi tsim nyog.
Cov lus nug nquag
Dab tsi kam rau ua CNC machining tiav?
Standard CNC milling feem ntau tuav ± 0.05 rau ± 0.13 hli. Nrog kev tswj xyuas cov txheej txheem, siab precision CNC milling ib txwm ncav cuag ± 0.01 txog ± 0.025 hli ntawm cov yam ntxwv tseem ceeb. Cov txiaj ntsig nruj dua feem ntau yuav tsum tau ua haujlwm thib ob xws li kev sib tsoo lossis EDM.
Dab tsi suav nrog nruj kam rau ua CNC machining?
Feem ntau lub khw kho ± 0.025 hli (± 0.001 nyob rau hauv) los yog finer li nruj kam rau ua ib cheeb tsam. Hauv qab ± 0.01 hli koj nkag siab -precision lossis ultra-precision ua haujlwm uas xav tau tshwj xeeb teeb tsa thiab tshuaj xyuas.
Thaum twg kuv yuav tsum xaiv high precision CNC milling tshaj tus qauv?
Siv nws rau cov yam ntxwv uas cuam tshuam ncaj qha rau kev haum, kev ua haujlwm, kev nyab xeeb, lossis kev ua raws li - kev cog lus kho mob, cov khoom siv hauv dav hlau, cov khoom siv kho qhov muag, thiab cov ntawv siv zoo sib xws. Rau qhov tsis yog - qhov loj me, cov qauv kam rau ua kom tus nqi thiab lub sij hawm ua kom qis dua thaum tseem xa cov khoom txhim khu kev qha.
