Yus li cas xaiv CNC milling machines rau cov workshop li leej twg tsawg

Sib tham qhov ua haujlwm ntawm CNC mill thiab qhov xav tau ntawm cov khoom uas yuav tsum tsim rau cov workshop

Kev xaiv los ntawm kev ua haujlwm thaum kawg: Los ntawm qhov loj ntawm cov khoom mus rau qhov xav tau ntawm kev rov qab, qhov txaus thiab qhov sib npaug ntawm axis

Txhawb nrog cov qauv ntawv uas yuav tsum tau ua kom zoo heev thiab tom qab ntawd rov qab mus rau hauv. Nco ntsoov txog cov khoom siv uas ua kev vam meej thiab nrhiav xwb seb cov kauj ruam X-Y-Z uas tseem ceeb rau kev ua haujlwm no. Cov khoom siv uas li cas tsis tuaj yeem ua haujlwm zoo rau kev ua haujlwm no, tab sis yog cov khoom siv uas loj heev ces yuav nyuaj rau kev xyuas hauv tsev ua haujlwm uas tsis muaj neeg xav siv. Thaum peb saib rau cov khoom siv uas muaj lub cev los ntawm cov ntaub, cov ntaub uas muaj lub cev los ntawm cov ntaub tsis muaj kev ntsuas yuav txaus rau kev tswj hwm thiab kev tshem tawm kev cuam tshuam. Ntau tsev ua haujlwm ua haujlwm rau cov ntaub aluminum hauv lawv lub sijhawm no, puas yog ntau dua li 50% raws li cov neeg hais rau kuv. Cov kauj ruam uas muaj kev sib npaug kuj tseem ceeb heev. Cov khoom siv uas muaj peb kauj ruam yuav ua tau rau ntau yam haujlwm tshwj xeeb, tab sis thaum peb ua haujlwm rau cov qauv uas muaj kev sib npaug thiab yuav tsum ua haujlwm rau ntau qhov simultaneously, tsis muaj cov khoom siv CNC uas muaj lim kauj ruam uas yuav txaus rau kev ua haujlwm no.

Kev sib npaug ntawm cov ntaub thiab cov khoom siv: Aluminum, Plastics, Wood, thiab kev xav tau rau kev ua haujlwm tshwj xeeb uas tsis ntau

Kab lis tsaug, nws yog qhov tseem ceeb los txuas lub cev ntawm lub tshuab rau cov ntaub ntawv uas yuav siv zoo heev. Aluminum xav tau lub cev ntawm lub tshuab ua haujlwm nyob rau hauv 10,000 RPM lossis siab dua thiab xav tau lub tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tshuab tsh......

Txheeb xyuas cov qhov chaw ua haujlwm, qhov hluav tais tes, thiab cov kev khaub ncex ntawm lub qhov chaw rau cov chaw uas tsis yog chaw ua haujlwm

Cov chaw tsim ntawv leej nkaus yuav muaj qhov txhaum tshwj xeeb thaum lawv qhia cov CNC milling machines. Yog li ntawd, lawv tsis nyob rau hauv cov chaw tsim ntawv tshwj xeeb thiab lawv yuav muaj qhov kub siab, qhov loj thiab qhov ua haujlwm ntawm cov khoom siv. Thaum xaiv cov khoom siv uas pab lawv nyob rau hauv cov qhov txhaum no, nws yuav pab tshem qhov txhaum ntawm kev kho kom zoo dua thiab pab tshem qhov txhaum ntawm kev tsim kom zoo dua.

Qhov cua ntawm cov khoom siv, cov qhov kev hloov ntawm lub cev thiab qhov zoo ntawm cov khoom siv: Qhov sib txawv ntawm cov CNC milling machines uas nyob rau hauv cov chaw tsim ntawv leej nkaus thiab cov CNC milling machines uas nyob rau hauv cov chaw tsim ntawv tshwj xeeb

Cov CNC milling machines uas nyob rau hauv cov chaw tsim ntawv leej nkaus yuav muaj qhov txhaum ntawm qhov cua ntawm cov khoom siv kom ua rau qhov cost tau zoo dua, thiab lawv yuav siv cov ntawv uas nyob rau hauv qhov loj thiab cov qhov kev hloov ntawm lub cev uas nyob rau hauv qhov loj. Cov CNC milling machines uas nyob rau hauv cov chaw tsim ntawv tshwj xeeb yuav nyob rau hauv qhov sib txawv ntawm:

• Cov khoom siv uas siv cov ntawv cast-iron lossis polymer-concrete kom muaj qhov zoo dua rau kev tshem qhov cua
• Cov qhov kev hloov ntawm lub cev uas tau kho kom zoo dua thiab pab tshem qhov cua rau kev tsim kom zoo dua
• Cov khoom siv uas muaj qhov cua zoo thiab qhov cua tsis hloov rau kev tsim kom zoo dua

Kab laj thawj no yuav sib txawv rau cov kev tswj hwm uas tuaj yeem tau. Piv txwv li, cov khoom siv uas muaj lub tshuab ntsiab thiab lub tshuab ntsiab tsis muaj kev tswj hwm yuav tswj xyuam qhov chaw nyob ntawm ±0.005" thaum kho cov khoom siv aluminum loj, tab sis cov khoom siv uas tsis expensive yuav tswj xyuam qhov chaw nyob ntawm ±0.015" los ntawm cov kua dej zoo ib yam. Kev nyob ntawm qhov ceev yuav tswj hwm yog qhov tseem ceeb heev—cov khoom siv uas muaj qhov ceev yuav tswj xyuam qhov ceev raws li qhov tswj hwm, uas pab tau cov khoom siv software kom tswj xyuam qhov ceev.

Cov kev xav txog qhov kev sib txawv ntawm cov khoom siv thiab qhov chaw nyob: Kev sib txawv ntawm 110V/220V, Kev sib txawv ntawm cov khoom siv uas muaj qhov kev sib txawv ntawm cov khoom siv thiab qhov chaw nyob ntawm lub tsev kho khoom siv

Zaum tseem coob ntawm cov tsev kho khoom siv tsis muaj cov khoom siv uas muaj qhov kev sib txawv ntawm cov khoom siv thiab qhov chaw nyob, uas yog qhov tseem ceeb rau cov khoom siv uas muaj kev sib txawv ntawm 110V/220V. Cov lus tshaj tawm tseem ceeb yog:

• Kev sib txawv ntawm cov khoom siv : Cov khoom siv uas muaj qhov kev sib txawv ntawm 3HP yuav tsum muaj cov khoom siv uas muaj qhov kev sib txawv ntawm 220V
• Qhov chaw nyob : Cov khoom siv uas muaj qhov chaw nyob tsis ntev dua 6'×4' yuav tswj xyuam qhov chaw nyob ntawm cov tsev kho khoom siv uas muaj qhov chaw nyob thiab pab tau cov neeg siv khoom siv kom tswj xyuam qhov chaw nyob
• Kev sib txawv ntawm cov khoom siv uas muaj qhov kev sib txawv ntawm cov khoom siv thiab qhov chaw nyob : Cov khoom siv uas muaj qhov kev sib txawv ntawm cov khoom siv thiab qhov chaw nyob yuav tswj xyuam qhov chaw nyob; cov khoom siv uas muaj qhov kev sib txawv ntawm cov khoom siv thiab qhov chaw nyob yuav tswj xyuam qhov chaw nyob

CNC 5-axis compact yuav tsum muaj qhov loj tshaj plaws rau hauv qhov chaw sib txawv—tab sis tsuas yog tias cov voltage thiab amperage sib koom nrog cov khoom uas muaj nyob lawm. Cov workshop uas muaj 30A/220V circuits tuaj yeem pab cov mill uas xav tau ≤5kW tsis tas yuav tsum muab cov panel los ua dua—a tus lej uas tseem ceeb rau kev siv nyiaj zoo.

Tshawb xyuam cov lej ntawm kev ua haujlwm raws li qhov tseeb—yog li cas rau kev ua haujlwm ntau dua ntawm qhov kev tswj hwm zoo

Qhov tseeb, Qhov tseeb dua, thiab Qhov tseeb ntawm kev ntxiv hluav taws fab: Qhov twg yog qhov tseeb uas muaj nyob hauv kev siv txhua hnub

Thaum cov neeg siv khoom nyob rau hauv qhov chaw tsim khoom ua haujlwm, cov neeg siv khoom yuav tsum paub qhov sib txawv ntawm qhov uas cov thawj khoom xav tau thiab qhov uas yuav dhau los ntawm kev siv hauv qhov chaw tsim khoom. Yog li peb yuav pab tshais rau ob qhov ntsiab lus uas muaj qhov txaus siab: qhov zoo (accuracy), uas yog qhov uas cov khoom siv tuaj rau hauv qhov chaw uas nws yuav tsum tau; thiab qhov sib txawv (repeatability), uas yog qhov uas cov khoom siv tuaj rau hauv qhov chaw zoo ib yam dua thaum peb ua ntau zaug los ntawm ntau lub sijhawm. Ntau yam khoom siv muaj qhov ntsiab lus uas muaj qhov zoo ntawm ±0.001", tab sis thaum lawv txhawj los ua haujlwm, lawv yuav muaj qhov zoo ntawm ±0.003" rau ±0.005" vim qhov kub ntawm cov khoom siv thiab qhov kub kub ntawm qhov chaw tsim khoom hauv lub sijhawm. Yog tias neeg siv khoom xav tsim cov khoom siv aluminum uas muaj qhov txaus siab ntawm 0.005", lawv yuav tsum nrhiav cov khoom siv uas muaj cov khoom siv thermally stable ballscrews thiab cov khoom siv rau hauv qhov chaw tsim khoom uas muaj qhov zoo. Qhov kev test zoo yog ua cov khoom siv no txhawj ua haujlwm txhua hnub rau ntawm 30 feeb ua ntej thaum peb yuav tsum ua kev tshawb xyuas qhov ua haujlwm. Cov khoom siv uas muaj qhov sib txawv (repeatability) tsis txog 0.0008" hauv sijhawm no yuav yog cov khoom siv uas muaj qhov txaus siab rau kev siv, tab sis cov khoom siv uas muaj qhov sib txawv (drift) li cas los ntawm qhov txaus siab no yuav tsis zoo rau kev siv hauv qhov chaw tsim khoom, tab sis yuav zoo rau kev siv hauv qhov tsev.

Torque ntawm lub spindle, RPM yuav tsum muaj, thiab qhov ua tau ntawm cov ntaub sib thooj—piv txwv li, thaum lub CNC machine uas muaj 5-axis ntxiv qhov txaus zoo rau kev siv

Yam uas tseem ceeb rau kev tsim kho cov khoom tsis yog tsuas yog lub horsepower siab tshaj plaws, lemong nws yog lub torque curve thib ob ntawm lub spindle. Thaum ua haujlwm nrog aluminum, cov neeg ua haujlwm xav tau torque ntau rau ntawm 6,000 thiab 10,000 RPM kom cov khoom tsis txav ntxiv thaum cut. Plastics yuav muaj lwm qhov txhawb, vim lawv feeb tshaj plaws xav tau kev puas meej ntau dua 15,000 RPM rau cov kab laus uas zoo thiab tsis muaj qhov tshwm sim. Thaum milling cov khoom steel lossis ua haujlwm nrog cov khoom uas muaj qhov dav ntau, nws yuav nyuaj rau hauv 3,000 RPM vim torque hauv kev puas meej yooj yim yuav cuam tshuam ntau. Cov khoom uas muaj qhov ntsiab ntau, los sis turbine blades lossis cov cavities uas muaj qhov ntsiab ntau, yuav xav tau qhov tshwj xeeb. Nws yog qhov 5 axis CNC machines tuaj yeem ua tau zoo vim lawv txo qhov kev hloov cov khoom (fixture changes) thiab tso cov khoom nyob rau qhov angle tswv yim thaum ua haujlwm. Qhov sib xyaw ua haujlwm yuav txo ntau – peb tuaj yeem hais tias txo ntau dua 70% – thiab kuj muaj qhov nyuaj dua los ua qhov phaum thaum sib xyaw cov khoom rau ntawm cov kab laus ntau.