Feem ntau, pwm tsim specifications yog npaj los ntawm tus txheej txheem engineer raws li cov specifications ntawm lub molded ib feem. Kev tsim pwm feem ntau muaj ntau yam txheej txheem: sau, txheeb xyuas, thiab zom cov ntaub ntawv qub; kos duab pwm thiab sib dhos kos duab; proofreading, tshuaj xyuas, tracing, xa rau luam ntawv; ua tag nrho cov duab kos; sim molding thiab kho pwm; thiab npaj thiab khaws cov ntaub ntawv.
Daim duab 1
Txhawm rau kom ntseeg tau tias muaj txiaj ntsig thiab sib xws ntawm cov txheej txheem tsim pwm, txhim kho cov txheej txheem ua haujlwm zoo, thiab txhim kho pwm ntau lawm ceev, txhua lub Hoobkas pwm feem ntau tsim nws tus kheej cov txheej txheem. Kab lus no muab cov qauv siv, tsom mus rau kev lag luam automotive manufacturing, thiab teev cov txheej txheem rau qee qhov tseem ceeb ntawm cov khoom siv tsheb pwm.
Daim duab 2
1. Cov txheej txheem Engineer Compiling Process Cards
Thaum sau cov ntawv teev cov txheej txheem, tus txheej txheem engineer yuav tsum qhia meej txog cov nyiaj ua haujlwm machining, qhov chaw ntawm qhov nyiaj pub dawb, qhov yuav tsum tau ua ntawm qhov roughness, thiab kev ceev faj.
Lub hauv paus ntsiab lus rau kev suav cov txheej txheem machining flow phaib: Ua ntej cov khoom siv nrog kev ua haujlwm siab thaum ua kom raug thiab zoo. Milling tshuab, CNC tshuab, thiab cov tshuab sib tsoo yog ceev tshaj li cov hlau txiav thiab EDM, tshwj xeeb tshaj yog EDM, uas yog qeeb tshaj plaws. Qhov ntev ntawm cov duab kos tsis tuaj yeem hloov pauv arbitrarily.
Daim duab 3
Nco tseg: Tag nrho cov templates tau precision machined; lub tank dej yuav raug xa rov qab mus rau lub Hoobkas rau kev ua haujlwm ntxiv.
Tom qab cov pwm dawb rov qab mus rau lub Hoobkas, tus neeg tsim khoom yuav tsum yog:
1. Puas yog qhov chaw siv ntawm daim hlau A thiab B flush? Puas yog cov kaum sab xis siv cov kaum sab xis?
2. Puas yog qhov qhib thiab kaw ntawm cov ncej qhia thiab lub tes tsho qhia yog du?
3. Puas yog cov screws thiab threaded qhov ntawm pwm ncej txheem?
4. Puas yog tus ncej qhia qis thiab rov qab tus pin du?
5. Puas yog cov qauv deformed los yog muaj cov xim dub?
Daim duab 4
Daim duab 5
Lus Cim: Cov xim liab ntawm daim hlau A thiab B yuav tsum tau roughened nrog 3 hli nyiaj pub dawb; cov seem seem yuav tsum tau machined mus rau theem uas yuav tsum tau.
2. Machining Allowance Principles
1. Rau workpieces xav tau kev kho cua sov, ntxiv 0.25mm sib tsoo nyiaj rau txhua sab ntawm lub pre- txheej txheem txheej txheej ua ntej kev kho cua sov.
2. Rau pwm cores thiab inserts xav tau CNC ntxhib machining, tso cai rau 0.2 hli nyiaj rau txhua sab.
3. Rau workpieces uas yuav tsum tau milling ntxhib ntawm ib tug fitter lub milling tshuab, cia ib tug 0.3-0.5 hli nyiaj pub rau txhua sab. Rau cov khoom ua haujlwm uas xav tau kev sib tsoo tom qab xaim EDM, tso cai rau 0.05mm pub rau txhua sab rau qhov zoo li tus thiab 0.1mm sib tsoo nyiaj pub rau txhua sab rau kev ua haujlwm ntxhib ntawm cov duab sab nrauv.
4. Rau CNC xov thiab EDM ua raws li daim iav polishing, tso cai rau 0.03mm polishing nyiaj rau txhua sab.
3. Machining Accuracy Requirements
Qhov raug tsim ntawm pwm qhov ntev yuav tsum nyob rau hauv thaj tsam ntawm 0.005-0.02 hli; qhov perpendicularity yuav tsum nyob rau hauv thaj tsam ntawm 0.01-0.02 hli; qhov yuav tsum tau coaxiality yuav tsum nyob rau hauv thaj tsam ntawm 0.01-0.03 hli; qhov yuav tsum tau ua kom sib luag ntawm lub dav hlau sab sauv thiab sab qis ntawm qhov sib cais ntawm qhov txav thiab ruaj khov pwm yuav tsum nyob hauv thaj tsam ntawm 0.01-0.03 hli.
Tom qab pwm kaw, qhov sib txawv ntawm qhov chaw sib cais yuav tsum tsawg dua li tus nqi ntawm cov yas molded. Qhov kev xav tau ntawm qhov sib npaug ntawm qhov sib txuas ntawm lwm cov phaj pwm yuav tsum nyob hauv thaj tsam ntawm 0.01-0.02 hli; qhov haum qhov tseeb ntawm qhov chaw ruaj yog feem ntau xaiv nyob rau hauv thaj tsam ntawm 0.01-0.02 hli; Yog hais tias cov tub ntxhais me me tsis muaj kev cuam tshuam los yog muaj kev cuam tshuam me ntsis ntawm qhov ntev, siv ob npaug -sided clearance haum ntawm 0.01-0.02 mm; Qhov haum qhov tseeb ntawm zawv zawg qhov chaw feem ntau xaiv los ntawm peb hom: H7 / e6, H7 / f7, thiab H7 / g6.
Lus Cim: Yog tias muaj cov ntxig nrog cov kauj ruam txuas rau ntawm daim iav saum npoo, qhov haum yuav tsum tsis txhob nruj heev. Txwv tsis pub, thaum lub ntxig ntxig rov qab los ntawm sab xub ntiag, lub cuab yeej siv rau lub khob yuav ua rau daim iav ntog puas. Yog tias nws tsis cuam tshuam rau cov khoom loj, qhov sib txawv ntawm 0.01-0.02mm ntawm ob sab tuaj yeem siv.
Daim duab 6
4. Cov ntsiab lus ntawm CNC Electrode Tshem Tawm
Rau pwm kab noj hniav cores, lub ntsiab zoo li electrodes yuav tsum tau muab tshem tawm ua ntej, ces lwm lub ntsiab electrodes, thiab thaum kawg lub zos electrodes. Cov tsos electrodes ntawm cov pwm ruaj khov yuav tsum tau ua kom tag nrho. Rau cov cheeb tsam uas tsis tuaj yeem raug tshem tawm los ntawm CNC, hlau txiav yuav tsum tau siv los ntxuav cov ces kaum kom paub meej tias qhov ua tiav thiab seamless zoo li cov pwm ruaj khov. Rau kev txhawb nqa cov tav, tav, thiab cov ncej nrog qhov tob zoo sib xws hauv cov pwm txav, lawv yuav tsum tau ua ke ua ke ntawm ib qho electrode thaum twg los tau. Cov ribs sib sib zog nqus yuav tsum tau ua rau hauv cov ntxig thiab yuav tsum tau sib cais ntawm sab ntawm cov electrode kom tsis txhob muaj cov pa roj carbon ntau thaum lub sij hawm hluav taws xob pulses. Tsis txhob xaim txiav kom tshem tawm cov ces kaum ntawm cov pwm txav electrodes tom qab CNC milling. Yog tias tsim nyog, cov electrodes yuav tsum tau disassembled lossis xaim txiav yuav tsum tau siv ncaj qha. Ribs thiab rib txoj hauj lwm los yog ncej hauv cov pwm txav nrog qhov sib nrug tshaj 35 hli yuav tsum tau muab tshuab cais kom txuag tau cov khoom siv tooj liab. Rau cov electrodes loj, roughing EDM ntug yuav tsum muaj ib tug margin ntawm 0.3mm ntawm ib sab, thiab lub finishing EDM ntug yuav tsum muaj ib tug margin ntawm 0.15mm ntawm ib sab. Rau cov electrodes, lub roughing EDM ntug yuav tsum muaj ib tug npoo ntawm 0.2mm ntawm ib sab, thiab lub tiav EDM ntug yuav tsum muaj ib tug margin ntawm 0.1mm ntawm ib sab. Rau cov electrodes me me, roughing EDM ntug yuav tsum muaj ib tug npoo ntawm 0.15mm ntawm ib sab, thiab lub tiav EDM ntug yuav tsum muaj ib tug margin ntawm 0.07mm ntawm ib sab.
Daim duab 7
5. CNC Machining Principles
Rau pwm cores thiab inserts uas yuav tsum tau CNC roughing, ib tug margin ntawm 0.2 hli yuav tsum tau tseg rau ntawm ib sab. Rau cov khoom ua haujlwm uas xav tau CNC tiav tom qab kev kho cua sov, yog tias cov khoom zoo li tso cai, CNC machining yuav tsum tau ua ntej rau pwm kab noj hniav thiab cov cores uas tuaj yeem ua tiav rau qhov tob uas yuav tsum tau ua. Yog tias CNC machining tsis tuaj yeem ua tau, electrodes yuav tsum tau siv hluav taws xob tawm machining (EDM).
Daim duab 8
6. Machining txheej txheem rau txav thiab zoo li qub pwm Cores
1) Kev npaj khoom siv;
2) Milling: Laum cov kav dej (qhov tob tshaj plaws ntawm cov dej channel ntsaws yuav tsum yog 3-4 hli los ntawm kab rov tav dej channel), threading qhov, laum thiab kais ntsia hlau qhov, laum thiab ream ejector pin qhov, cim pwm naj npawb, siv lub kaum ntse ntse, thiab clearance rau lub mounting platform;
3) CNC Machining: Rough machining;
4) Kev kho cua sov: Qhia qhov xav tau hardness;
5) Kev Sib Tsoo: Sib tsoo lub kaum sab xis ntawm lub kaum sab xis, kom ntseeg tau tias cov duab sab nrauv yog qhov tseeb ntawm lub thav duab qhov ntev (yog tias cov pwm tseem ceeb yog ib daim, qhov loj ntawm sab nrauv yuav tsum yog 0.03mm-0.05mm tsis zoo tshaj qhov kos duab qhov ntev; yog tias cov pwm tseem ceeb yog ob daim, qhov sib npaug ntawm qhov ntev ntawm ob daim duab 5 hli yuav tsum yog 0.0mm-0. ⊥0.01, ∥0.01. Cov khoom uas tuaj yeem tsim los ntawm kev sib tsoo yuav tsum yog hauv av;
6) Rau pwm cores xav tau CNC precision machining, npaj CNC machining . 7) Fine machining: Engraving yuav tsum tau rau cov kab noj hniav uas muaj cov tsiaj ntawv los yog pwm;
8) Hlau EDM: Nruab nrab xaim machining ntawm ntxig qhov, angled ejector qhov, ejector tus pin qhov, nozzle qhov, thiab lwm yam.;
9) Hluav taws xob machining: Machining raws li cov duab kos thiab cov ntawv qhia mem tes;
10) Polishing: Qhia cov polishing roughness thiab cov yuav tsum tau ntawm cov txheej txheem flow card. Kos lub polishing cheeb tsam ntawm lub workpiece nrog ib tug marker. Rau workpieces xav tau ib daim iav tiav, yog tias lub sij hawm tsis txaus, polishing ntxhib tuaj yeem ua ntej, ua raws li polishing zoo tom qab kev sim molding;
11) Kev sib dhos thiab kev sim molding.
Daim duab 9
7. Main Inlay Machining txheej txheem
1) Kev Npaj Khoom Siv: Tus txheej txheem engineer txiav txim siab seb lub workpiece puas tau machined raws li ib qho los yog ntau daim ua ke raws li nws qhov loj thiab cov duab. Yog hais tias ntau daim ntawv raug machined ua ke, tus txheej txheem engineer yuav tsum tsim ib tug machining layout daim duab rau lub workpieces.
2) Milling: Tus fitter ua machining raws li lub workpiece daim duab los yog layout daim duab muab los ntawm tus txheej txheem engineer. Qhov no suav nrog cov dej hauv dej (qhov tob tshaj plaws ntawm cov dej channel ntsaws yuav tsum yog 3-4 hli los ntawm kab rov tav dej channel), threading qhov, drilling thiab tapping ntsia hlau qhov, drilling thiab reaming ejector pin qhov, roughing cheeb tsam tsim, naj npawb ntawm pwm, thiab kho lub rooj mounting.
3) CNC Machining: Rau workpieces xav tau CNC ntxhib machining, CNC ntxhib machining yuav raug teem.
4) Kev kho cua sov: Qhov yuav tsum tau ua kom tawv tawv yuav raug teev tseg.
5) Sib tsoo: Lub kaum sab xis hexagonal yuav yog hauv av. Cov khoom uas tuaj yeem tsim los ntawm kev sib tsoo yuav tsum yog hauv av rau hauv cov duab.
6) Rau cov khoom ua haujlwm uas xav tau CNC precision machining, CNC precision machining yuav raug npaj. Yog hais tias lub inlay muaj cov ntawv sau los yog pwm, engraving yuav tsum tau engraving . 7) Hlau EDM: Machining insert qhov, angled ejector qhov, ejector tus pin qhov, thiab lwm yam., siv ib tug nruab nrab hlau cutter.
8) Hluav taws xob tso tawm Machining: Machining raws li cov duab kos thiab cov ntawv qhia mem tes.
9) Polishing: Qhia qhov polishing roughness thiab yuav tsum tau ntawm cov txheej txheem khiav daim ntawv. Kos lub polishing cheeb tsam ntawm lub workpiece nrog ib tug marker. Rau workpieces xav tau ib daim iav tiav, yog tias lub voj voog lub sij hawm tsis txaus, polishing ntxhib tuaj yeem ua ntej, ua raws li polishing zoo tom qab sim molding.
10) Kev sib dhos thiab kev sim molding.
Daim duab 10
8. Cov txheej txheem machining rau qhov tsis sib xws ntawm cov ntawv ntxig
Txheej txheem 1:
1) Hlau EDM: Ua kom raug cov txheej txheem sab nraud siv lub tshuab hluav taws xob nruab nrab (A / B views), rub daim ntawv, tawm ntawm qhov nyiaj pub dawb, sib tsoo, thiab ua kom qhov chaw sib sau.
2) Sib tsoo: Sib tsoo lub thickness thiab lub kaum sab xis, thiab tsim cov ntxig.
3) Hluav taws xob tso tawm Machining;
4) Polishing.
Txheej txheem 2:
1) Hlau EDM: Txiav cov duab sab nrauv, ntxig qhov, thiab ejector tus pin qhov nrog lub tshuab txiav nruab nrab, kom ntseeg tau qhov tseeb qhov ntev (C- saib). Roughing lub mounting phaj thiab tsim cheeb tsam.
2) Sib tsoo: Sib tsoo qhov siab, mounting phaj, thiab lub kaum sab xis; tsim cov duab.
3) Hluav taws xob tawm Machining (EDM);
4) Polishing.
9. Angled Ejector Machining txheej txheem
1) Hlau EDM: Txiav cov duab sab nraud nrog lub tshuab txiav nruab nrab, sib tsoo lub taub hau kom haum rau qhov chaw ntxig nrog cov nyiaj pub dawb, ua kom qhov tseeb qhov ntev, tawm nyiaj pub dawb rau lub thickness ntawm lub rub tab, thiab roughing lub I-groove nrog nyiaj pub dawb.
2) Sib tsoo: Sib tsoo lub thickness thiab kuv- zawj.
3) Kev sib dhos;
4) Pulse machining;
5) Polishing;
6) Milling roj grooves.
10. Machining txheej txheem rau Slanted saum rooj
1) Kev Npaj Khoom Siv (Fitter): Tso cai 1.5mm rau qhov siab ntawm ob sab, 0.5mm rau qhov dav ntawm ob sab, thiab 5mm ntev rau ob sab kom yooj yim clamping thaum xaim EDM;
2) Milling: Laum thiab kais qhov taub hau;
3) Kev kho cua sov;
4) Sib tsoo: Sib tsoo rau - lub kaum sab xis ntsuas, xyuas kom meej qhov dav;
5) Hlau EDM: Xyuas kom meej kuv- qhov chaw machining, rub daim ntawv, tawm thickness pub, zom, thiab xyuas kom meej qhov siab yog 1.2 hli;
6) Sib tsoo: Sib tsoo qhov loj me, haum rau lub phaj ejector, thiab xyuas kom meej qhov siab yog 1 hli.
Daim duab 11
11. Machining txheej txheem rau Xovxwm Thaiv
1) Kev npaj khoom siv;
2) Milling: Laum cov ntsia hlau qhov, roughen qhov chaw tsim (tso 0.3-0.5mm nyiaj pub rau ib sab, zom);
3) Sib tsoo: Sib tsoo rau - lub kaum sab xis ntsuas, xyuas kom meej qhov ntev sab nraud, thiab tsim cov thaiv.
12. Xauv Block Machining txheej txheem
1) Kev npaj khoom siv;
2) Sib tsoo: Sib tsoo rau - sab kaum sab xis kom paub meej qhov ntev sab nraud;
3) Hlau EDM: ceev hlau sib sau;
4) Milling: Laum thiab kais lub qhov taub.
