Qhov zoo ntawm cov CNC Horizontal Machining Centers rau kev kho tshuab ntau qhov chaw

Kev kho tshuab ntau qhov chaw nyob hauv ib qhov kev sib txuas

Yog li cas lub qhov rooj ntawm kev kho tshuab horizontal tuaj yeem pab txhawb kev kho tshuab ntau qhov chaw hauv ib lub sijhawm

Nyob rau hauv cov Center Tshuab Hauv Tswj Hwm (HMCs), cov khoom tshuab yog qhov parallel rau lub zog ntawm qhov chaw tshuab, uas pab cov neeg tshuab tau txais kev pom zoo rau txhua qhov sab ntawm lub khoom rau lub sijhawm ib zaug. Nrog rau qhov kev muaj qhov tshuab no, cov khoom tshuab tuaj yeem nrhiav rau cov sab nyob hauv qhov ntsuas tsim nyog, thiab thiaj li tuaj yeem tshuab rau cov qhov chaw ntau yam thaum ib zaug tsis xav tau ua kom cov khoom tshuab mus rau qhov chaw ntxiv. Cov khoom tshuab hauv tswj hwm yog qhov nyob hauv qhov kev sib tw ntxiv, vim tias qhov gravity yuav tso cov khoom tshuab los ntawm qhov tshuab mus rau hauv qhov chaw tshuab. Tab sis cov HMCs tsis sib tw vim tias cov khoom tshuab yuav tso mus rau hauv cov khoom tshuab tshuab los ntawm qhov tshuab, uas pab ua kom qhov chaw tshuab yuav tsoos dua thiab tshuab ntau dua. Qhov no txhais tau dab tsi rau kev tshuab hauv kev ua haujlwm? Cov neeg tshuab yuav tsis xav tau ua kev tshuab ntau rau qhov kev tshuab rau cov khoom tshuab hauv qhov tswj hwm. Qhov kev tshuab tsis zoo uas muaj los ntawm kev tshuab rau cov khoom tshuab hauv qhov tswj hwm yuav tshwm sim ntau dua. Thaum tshuab rau cov khoom tshuab tshwj xeeb, xws li cov khoom tshuab rau cov valve lossis cov khoom tshuab rau cov transmission cases, cov neeg tshuab tau txais kev npaj ntau dua li peb puag ncig ntawm qhov kev tshuab rau cov khoom tshuab, raws li cov lus qhia ntawm AMT's 2023 efficiency reports.

Kev sib xyaw thiab cov lus tshuaj rov qab rau kev ua kom zoo ntawm cov khoom

Cov lus tshuaj rov qab sib xyaw yog sib xyaw rau cov khoom ntau lub kaum ntub hauv qhov chaw nyob ntawm cov khoom tso cia thiab cov khoom sib xyaw, thaum cov lus tshuaj rov qab muaj kev sib xyaw yog sib xyaw rau kev rov qab nrog kev sib xyaw hauv qhov chaw nyob ntawm qhov chaw rov qab. Ntawd sib xyaw tau kev ua kom zoo rau 5-axis machining los ntawm kev sib xyaw rau qhov chaw rov qab—thiab muab kev ua kom zoo rau "ua kom zoo ib zaug".

Los ntawm kev tswj hwm txhua yam rau ib qho tshuaj tshuaj ntawm qhov kev tsim, cov lus no txog rau cov teeb meem ntawm kev sib twg uas yuav tsum tau ua dua thaum cov ntaub ntawv tau muab tso rau hauv qhov kev tsim dua. Ib qho kev xav xav los ntawm qhov kev tsim lub rooj (aerospace industry) hauv Precision Engineering nyob rau hauv 2024 tau pom tias cov lus no muaj kev ua tau zoo heev. Lawv pom tias thaum tsim cov ntaub ntawv rau lub rooj ntawm lub rooj (turbine housings) nrog cov ntaub ntawv tombsot thiab cov ntaub ntawv rov qab (rotary table machines), 99.8% ntawm cov ntaub ntawv tau muab tsim raws li xav tau rau lub cim thaum kawg. Nws zoo dua li cov kev tsim kawg uas tsuas yog 87%. Thiab tsis txhob hlub rau cov ntaub ntawv leej twg. Thaum peb tsis xav tso cov ntaub ntawv rau hauv qhov kev tsim dua, cov lus ntsuas yuav tshwm sim raws li xav tau rau txhua qhov kev tsim. Qhov no muaj qhov tshwj xeeb rau cov ntaub ntawv rau lub rooj (hydraulic parts) uas cov ntaub ntawv yuav tsum muaj cov ntaub ntawv zoo tshaj plaws—tsis txhob ntau dua 0.01 mm. Kev muab cov ntaub ntawv zoo li no tau muaj qhov tshwj xeeb rau kev tswj hwm cov ntaub ntawv.

Kev Tswj Hwm Kev Tsuas Tau Zoo Tshaj Plaws Nrog Cov Lub Roj Tsuas Tau (Horizontal Machining Centers)

kev Tswj Hwm Kev Tsuas Tau Zoo Tshaj Plaws 30% Los ntawm Kev Txo Kev Tso Cov Ntaub Ntawv Thiab Kev Tswj Hwm

Cov chaw ua haujlwm txwv ntawm qhov rooj tshuab yog qhov txaus los pab kom ua haujlwm zoo dua, vim nws txo cov yam tshuaj leej twg tsis muaj kev pab rau qhov khoom uas tau ua. Nrog rau cov khoom sib sau (tombstone fixtures), cov chaw ua haujlwm tuaj yeem sau cov khoom ntau yam ib zaug, tsis yog sau ib yam thaum ib zaug. Cov khoom sau cov pallet (pallet changers) pab cov khoom ua haujlwm txwv ntawm qhov rooj tshuab ua haujlwm thaum lub caij kub thiab tsis xav tau neeg saib, uas txo cov nyiaj tau ua haujlwm ntau. Qhov ua haujlwm thaum ib qho ua haujlwm mus rau qhov ua haujlwm tom ntej nws yog qhov tsis muaj, uas txo cov haujlwm uas neeg ua haujlwm ib zaug los ntawm 45% compared to traditional vertical machines. Thaum ua haujlwm qhov tseem ceeb, especially for parts that need machining on multiple sides, the time saved is pretty impressive. According to industry data from AMT, most companies see about a 30% jump in productivity after switching to these systems. A major automotive parts manufacturer even reported their cycle times dropped by nearly 37% after implementing HMC technology across their shop floor.

Kev tso cov khoom tshuaj los ntawm qhov gravity: Txo cov khoom tshuaj uas tau ua dua, cov khoom ua haujlwm yuav nyob ntev dua

Cov qhov tshuab txiag ntawm qhov tshuab txiag hauv qhov kev txiag ntawm cov khoom, nws yuav muaj peev xwm zoo dua rau kev pabcuam cov khoom txiag. Cov khoom txiag yuav tshem tau los ntawm qhov txiag mus rau hauv cov rooj tshuab ntawm qab, thiab tsis tau txiag dua, uas yuav ua rau cov khoom txiag nyob hauv qhov txiag nyob rau hauv qhov txiag yuav siv tau ntau dua li qhov tseem ceeb. Rau cov phab ntsa uas txiag lub aluminum ntau, qhov no thiaj li pab ua rau cov khoom txiag yuav tsum tau sib thaug ntau dua 15-25% tsis tau sib thaug. Cov coolant yuav muaj peev xwm tshem tau los ntawm qhov kev tshem tau, uas pab ua rau qhov ceev yuav tsis ntau thiab pab ua rau cov khoom txiag yuav siv tau ntau dua li qhov tseem ceeb. Qhov chaw txiag yuav nyob zoo dua, thiab tsis muaj peev xwm ua rau tso cai rau kev txiag kom paub tsis tau, uas yuav tsum tau tshem cov khoom txiag los ntawm qhov txiag. Ntawm qhov tseem ceeb, cov phab ntsa yuav muaj peev xwm sau tau 18 feeb ntxiv rau txhua qhov kev txiag vim qhov no.

Kev zoo nkauj ntawm kev ntsuas thiab kev sib piv

Tshem tawm kev ntsuas tshaj tshuaj ntawm kev sib npog

Cov center machining horizontal yog lawv tshuaj tau qhov zoo dua vim lawv tuaj yeem ua rau cov kab laug ntawm lub khoom ntau yam hauv ib zaug xwb. Nrog rau cov vertical machining tshwj xeeb, cov khoom feem ntau yuav tsum mus los ntawm lub cim mus rau lub cim, lossis yuav tsum muab txuas ntxiv ntau zaug, uas yog qhov uas ua rau cov kab laug tsis zoo ntau zaug. Txhawm rau kev sib piv, cov lus piav qhia hauv cov lus piav qhia ntawm kev ua haujlwm thiab cov lus piav qhia hauv cov lus piav qhia, cov kev txuas ntxiv ntau zaug no yuav ua rau qhov zoo ntawm kev ua haujlwm nyob rau hauv 0.05 thiab 0.1 millimeters thaum peb txuas ntxiv dua. Cov horizontal machining tsis muaj qhov teeb meem no vim lawv ua rau cov qhov tshwj xeeb loj li cov khoob, cov kab laug, thiab cov qhov tsho nyob rau hauv ib zaug xwb tsis yuav tsum txuas ntxiv dua. Thaum ua cov engine blocks los ntawm cov horizontal methods, cov kab laug yuav nyob rau hauv 0.01 mm ntawm cov cylinder banks. Qhov kev nyob hauv qhov zoo li no yog qhov uas ua rau cov neeg ua haujlwm pom tau cov khoom tsis zoo ntau dua, thiab feem ntau yuav tsum muab cov khoom tsis zoo tshem tawm 30% rau cov yam ntaub uas yuav tsum muaj qhov zoo heev li rau cov khoom aerospace thiab cov khoom rau kev tshuaj xyooj.

Tshem tawm kev npog tsis zoo los ntawm kev npog dua thiab kev npog ntawm cov khoom

Thaum cov khoom sib tw zoo li ntawd tau txuas ntxiv rau hauv qhov kev kho, muaj qhov noog nyob rau hauv. Cov lus nug los ntawm NIST uas muaj kev tshawb xyuas tau pom tias cov lus uas muaj kev sib tw, kev ceev ntau, lossis tsuas yog qhov kev ua pov tseg ntawm tus neeg tuaj yeem ua rau cov khoom sib tw no nyob ntawm qhov 0.03 thiab 0.08 mm thaum muaj kev tshawb xyuas. Tiamsis HMCs tsis muaj qhov teeb meem no. Ntawm cov khoom no, cov khoom sib tw yuav nyob hauv cov khoom sib tw tom qab (tombstone fixtures) thiab tsis mov rau hauv txhua yam kev kho. Thaum ntawd, cov khoom sib tw uas muaj kev rov qhia (rotary tables) yuav ua txhua yam kev rov qhia cov khoom sib tw rau cov khoom sib tw uas ua kev kho. Qhov no txhais tau dab tsi? Cov khoom sib tw tseem ceeb, xws li cov kab laug rau lub tshuab thiab cov kab laug rau lub tshuab, yuav nyob hauv qhov chaw uas lawv yuav tsum nyob. Tsuas tsis muaj kev npaj siab rau qhov kev nyob tsis zoo ntawm cov khoom sib tw uas ua rau cov khoom sib tw tsis haum ib leeg thaum sib haum. Thiab saib rau cov lej: cov neeg tsim khoom tau piav tias cov khoom sib tw tseem ceeb tau muaj kev ua tau zoo dua 98% thaum ua ntxiv, tias lawv ua cov khoom sib tw uas muaj ntau zaug rau ntau hnub lossis ntau hlis.

Kev sib txuas ntawm cov qhov chaw tso cua tshiab thiab qhov chaw sib txuas rau cov khoom uas muaj ntau qhov chaw

Cov qhov chaw B-Axis thiab cov qhov chaw sib txuas ob lub ce hauv cov qhov chaw ua haujlwm ntawm lub rooj tsho

Txhua hnub no, cov machining centers uas muaj qhov siab tshaj plaws tau muab txuas nrog cov B-axis tilting spindles thiab cov dual rotary tables uas pab ua qhov uas peb hu ua "true 5-axis machining." Txawm yog li no, qhov no pab sib dluag cov X/Y/Z movements uas tseem ceeb thiab cov hloov kev kawm. Qhov yuav tsum paub tshaj plaws yog dab tsi? Tsis txhob tsis tau stop thiab rov kho qhov chaw ntawm cov khoom rau cov ntu ntau yam. Yog li, xyuas B-axis, nws pab cov tools mus txog rau cov angles uas muaj ntau yam thiab cov rotary tables pab txuas cov workpiece los ntawm qhov chaw. Qhov no pab ua tau cov khoom uas nyuaj rau ua kom zoo li cov turbine blades lossis impellers thiab ua tau cov contours uas zoo thiab tsis muaj qhov nyuaj rau ua kom zoo rau lub sijhawm ib zaug. Ib qho aerospace company tau pom tias muaj 40% nyuaj dua rau ua kom zoo rau cov impellers uas nyuaj rau ua kom zoo thaum lawv qhov ua qhov technology no, raws li ib qho tshuaj xyuas ntawm Sandvik Coromant ntawm 2023. Qhov tshwj xeeb tshaj plaws yog tias cov machines yuav tsum nyob nrog qhov txaus thiab tsis muaj kev nyuaj rau ua kom zoo thaum lawv ua rau cov khoom uas nyuaj rau ua kom zoo thiab nyuaj rau ua kom zoo rau kev nyuaj rau ua kom zoo. Yog li, sib dluag cov systems no nrog cov CAM software zoo thiab ces peb yuav tau ua cov tool paths uas tsis muaj kev cuam tshuam, tshem cov metal ntau dua, thiab tso cov khoom tshiab nyob nrog qhov zoo.

FAQ Qeb

Yus li cas yog cov HMCs (Horizontal Machining Centers)?

Cov Horizontal Machining Centers yog cov tshuab uas cov qhov cua ntawm lub tshuab yog nyob rau hauv qhov kev sib sau ntawm lub zog, thiab nws pab rau kev nrhiav tau qhov ntau yam ntawm lub tshuab rau kev tsim kho.

HMCs ua li cas los pab tshaj xav tau kev ua haujlwm?

HMCs txo lub sijhawm los ua kev tso cai thiab kev tswj hwm rau qhov kev xaiv ntawm nws, thiab nws pab tshaj xav tau kev ua haujlwm ntau dua, tshwj xeeb yog ntau dua 30% vim tias nws zoo dua kev ua haujlwm tseem ceeb.

Cov tombstone fixtures muaj dab tsi qhov zoo?

Cov tombstone fixtures tuaj yeem tso cov khoom ntau lub hauv ib zaug, thiab nws txo lub sijhawm los tso cov khoom ntxiv, thiab pab tshaj xav tau kev tswj hwm zoo dua thiab kev ua haujlwm zoo dua.

Qhov twg yog qhov zoo dua rau kev tswj hwm cov khoom tshuab (chips) nyob rau hauv HMCs?

Qhov kev xaiv ntawm cov qhov cua ntawm lub tshuab yog nyob rau hauv qhov kev sib sau, thiab nws pab cov khoom tshuab (chips) los ntawm lub tshuab los ntawm qhov tseeb, thiab nws txo kev tshem cov khoom tshuab (recutting), pab tshaj xav tau lub sijhawm ua haujlwm ntawm cov khoom tshuab, thiab tshem cov khoom tshuab hauv lub tshuab.

Cov machining centers tshiab uas muaj kev sib npaug ntawm cov rotary axis tshiab pab tau dab tsi?

Lawv pab ua haujlwm ntau lub zog thiab ntau qhov chaw tsis muaj kev xav tau los ntawm kev khi tawm dua cov khoom, ua rau muaj kev ua haujlwm zoo thiab txaus siab rau cov khoom uas yuav tsum ua haujlwm ntau yam, los ntawm qhov chaw uas muaj kev ua haujlwm nyuaj, piv txwv li cov kab laug ntawm lub cua sov.