Kev Tshawb Fawb Tag Nrho ntawm Cov Txheej Txheem Forging Precision Roller Chain: Qhov Zais Cia rau Qhov Zoo los ntawm Cov Khoom Siv Raw mus rau Cov Khoom Tiav
Hauv kev lag luam kis tau tus mob, kev ntseeg tau ntawmcov saw hlauncaj qha txiav txim siab qhov ua haujlwm zoo thiab lub neej ntawm cov khoom siv ntawm cov kab ntau lawm. Raws li cov thev naus laus zis tsim khoom tseem ceeb rau cov khoom siv tseem ceeb ntawm cov saw hlau, kev ua kom raug, nrog nws qhov zoo dua ze-net-puab, ua tiav qhov sib npaug zoo meej ntawm qhov tseeb ntawm cov khoom, cov khoom siv kho tshuab, thiab kev ua haujlwm zoo. Tsab xov xwm no yuav nkag mus rau hauv tag nrho cov txheej txheem forging precision ntawm cov saw hlau, qhia txog cov lus zais tom qab cov saw hlau zoo.
1. Kev Ua Ua Ntej: Kev Xaiv Khoom Siv Raw thiab Kev Kho Ua Ntej - Tswj Xyuas Qhov Zoo ntawm Qhov Chaw
Lub hauv paus ntawm qhov zoo hauv kev ua kom raug pib nrog kev xaiv cov khoom siv raw thiab kev kho ua ntej los ntawm kev tshawb fawb. Cov khoom tseem ceeb ntawm cov saw hlau (rollers, bushings, saw hlau, thiab lwm yam) yuav tsum tiv taus kev hloov pauv ntawm cov khoom thauj, kev cuam tshuam, thiab kev hnav. Yog li ntawd, kev xaiv thiab kev kho cov khoom siv raw cuam tshuam ncaj qha rau kev ua tau zoo ntawm cov khoom kawg.
1. Kev Xaiv Khoom Siv Raw: Xaiv Hlau kom phim cov kev cai ua tau zoo
Nyob ntawm seb cov saw hlau siv li cas (xws li cov tshuab siv hauv kev tsim kho, cov khoom siv hloov tsheb, thiab cov cuab yeej siv tshuab precision), cov khoom siv raw feem ntau siv yog cov hlau carbon zoo lossis cov hlau alloy. Piv txwv li, cov menyuam thiab cov bushings xav tau kev tiv thaiv kev hnav thiab kev tawv, feem ntau siv cov hlau carburizing alloy xws li 20CrMnTi. Cov phaj saw hlau xav tau kev sib npaug ntawm lub zog thiab kev tiv thaiv kev qaug zog, feem ntau siv cov hlau nruab nrab-carbon xws li 40Mn thiab 50Mn. Thaum xaiv cov khoom siv, cov tshuaj lom neeg ntawm cov hlau raug sim los ntawm kev tshuaj xyuas spectral kom ntseeg tau tias cov ntsiab lus ntawm cov ntsiab lus xws li carbon, manganese, thiab chromium ua raws li cov qauv hauv tebchaws xws li GB / T 3077, yog li zam kev tawg forging lossis kev ua tsis zoo los ntawm kev sib txawv ntawm cov khoom.
2. Txheej Txheem Ua Ntej: "Sov Sov" rau Kev Ntaus
Tom qab nkag mus rau hauv lub hoobkas, cov ntaub ntawv raw yuav tsum tau ua peb kauj ruam tseem ceeb ua ntej kho:
Kev Ntxuav Qhov Chaw: Kev tua phom tshem tawm cov nplai, xeb, thiab roj ntawm qhov chaw hlau kom tiv thaiv cov khoom tsis huv kom tsis txhob raug nias rau hauv qhov chaw ua haujlwm thaum lub sijhawm forging thiab ua rau muaj qhov tsis zoo.
Kev Txiav: Cov tshuab txiav precision lossis CNC shears yog siv los txiav cov hlau ua cov billets ntawm qhov hnyav ruaj khov, nrog rau qhov yuam kev txiav raug tswj tsis pub dhau ± 0.5% kom ntseeg tau tias qhov loj ntawm cov khoom ua haujlwm sib xws tom qab forging.
Kev Ua Kub: Cov billet raug pub rau hauv lub cub tawg induction cua sov nruab nrab. Qhov kub thiab txias kawg raug tswj raws li hom hlau (piv txwv li, cov hlau carbon feem ntau raug cua sov rau 1100-1250 ° C) kom ua tiav lub xeev forging zoo tagnrho ntawm "kev ua kom zoo thiab tsis tshua muaj kev hloov pauv" thaum tsis txhob kub dhau lossis kub dhau uas yuav ua rau cov khoom siv puas tsuaj.
II. Core Forging: Precision Shaping rau Near-Net Puab
Cov txheej txheem forging tseem ceeb yog qhov tseem ceeb rau kev ua tiav "low-cut lossis no-cut" ntawm cov khoom siv roller saw. Nyob ntawm cov qauv ntawm cov khoom, die forging thiab upset forging feem ntau yog siv, siv cov pwm precision thiab cov cuab yeej ntse los ua kom tiav cov txheej txheem tsim.
1. Kev Npaj Pwm: Qhov "Key Medium" rau Kev Sib Kis Uas Muaj Kev Ntsuas Zoo
Cov pwm forging precision yog tsim los ntawm H13 kub-ua haujlwm hlau tuag. Los ntawm CNC milling, EDM machining, thiab polishing, lub pwm qhov chaw ua tiav qhov tseeb ntawm IT7 thiab qhov roughness ntawm Ra ≤ 1.6μm. Lub pwm yuav tsum tau preheated rau 200-300 ° C thiab txau nrog graphite roj nplua nyeem. Qhov no tsis tsuas yog txo qhov kev sib txhuam thiab kev hnav ntawm lub pwm thiab lub pwm, tab sis kuj pab txhawb kev rhuav tshem sai thiab tiv thaiv cov teeb meem lo. Rau cov khoom sib npaug xws li rollers, lub pwm kuj yuav tsum tau tsim nrog diverter grooves thiab vents kom ntseeg tau tias cov hlau molten (kub blank) puv lub qhov chaw thiab tshem tawm huab cua thiab cov khoom tsis huv.
2. Kev Forging: Kev Ua Haujlwm Raws Li Cov Yam Ntxwv ntawm Cheebtsam
Kev Siv Lub Tshuab Roller Forging: Siv ob kauj ruam "upsetting-final forging". Lub billet uas tau cua sov ua ntej yuav tsum tau upset rau hauv lub pwm ua ntej forging, ua ntej yuav ua rau cov khoom puas thiab puv lub qhov ua ntej forging. Tom qab ntawd lub billet yuav raug xa mus rau lub pwm ua ntej forging. Nyob rau hauv lub siab ntawm lub tshuab nias (feem ntau yog lub tshuab nias kub nrog lub zog ntawm 1000-3000 kN), lub billet yuav raug haum rau hauv lub qhov ua ntej forging, ua rau lub roller lub ntsej muag kheej kheej, lub qhov sab hauv, thiab lwm yam qauv. Kev ceev thiab siab ntawm kev forging yuav tsum tau tswj hwm thoob plaws hauv tag nrho cov txheej txheem kom tsis txhob tawg hauv qhov workpiece vim muaj kev puas tsuaj ntau dhau.
Kev Ua Tes Tsho: Siv cov txheej txheem sib xyaw ua ke "punching-expansion". Ua ntej, siv lub punch los xuas lub qhov dig muag rau hauv nruab nrab ntawm lub billet. Tom qab ntawd siv lub tshuab expansion die los nthuav lub qhov mus rau qhov loj me uas tau tsim, thaum tswj hwm qhov tuab ntawm phab ntsa tes tsho sib npaug ntawm ≤0.1 hli.
Kev Tsim Phaj Hlau: Vim yog cov qauv tiaj tus thiab nyias ntawm cov phaj hlau, cov txheej txheem "ntau lub chaw nres tsheb txuas ntxiv mus rau kev tuag forging". Tom qab cua sov, cov khoom seem dhau los ntawm kev ua ntej, kev tsim zaum kawg, thiab kev txiav cov chaw, ua tiav cov phaj hlau qhov profile thiab kev ua qhov hauv ib qho kev ua haujlwm, nrog rau tus nqi tsim khoom ntawm 80-120 daim ib feeb.
3. Kev Ua Tom Qab Forging: Kev Ruaj Ntseg Kev Ua Tau Zoo thiab Qhov Zoo Nkauj
Cov khoom ua haujlwm forged tam sim ntawd raug rau qhov seem quenching cua sov lossis isothermal normalizing. Los ntawm kev tswj qhov txias (piv txwv li, siv dej tsuag txias lossis nitrate da dej txias), cov qauv metallographic ntawm cov khoom ua haujlwm raug kho kom ua tiav cov qauv sorbite lossis pearlite hauv cov khoom xws li rollers thiab bushings, txhim kho qhov nyuaj (qhov nyuaj ntawm cov menyuam feem ntau xav tau HRC 58-62) thiab lub zog qaug zog. Tib lub sijhawm, lub tshuab txiav ceev ceev siv los tshem tawm flash thiab burrs ntawm cov npoo ntawm forging, xyuas kom meej tias cov khoom zoo li ua tau raws li cov qauv tsim.
3. Kev Ua Tiav thiab Kev Txhim Kho: Txhim Kho Qhov Zoo Hauv Kev Nthuav Dav
Tom qab lub hauv paus forging, cov workpiece twb muaj qhov zoo li qub lawm, tab sis cov txheej txheem ua tiav thiab txhawb zog yog qhov yuav tsum tau ua kom nws qhov kev ua tau zoo thiab kev ua tau zoo dua kom ua tau raws li qhov yuav tsum tau ua ntawm kev sib kis ceev ceev.
1. Kev Kho Kom Tseeb: Kho Cov Kev Hloov Pauv Me Me
Vim tias cov khoom ua haujlwm yuav ntsws thiab tso tawm kev ntxhov siab tom qab forging, tej zaum yuav muaj qhov sib txawv me me. Thaum lub sijhawm ua tiav, lub pwm kho kom raug siv los nias rau ntawm cov khoom ua haujlwm txias kom kho qhov sib txawv kom txog rau hauv IT8. Piv txwv li, qhov yuam kev ntawm lub voj voog sab nraud ntawm lub menyuam yuav tsum tswj tau qis dua 0.02 hli, thiab qhov yuam kev ntawm lub voj voog sab hauv ntawm lub tes tsho yuav tsum tsis pub tshaj 0.015 hli kom ntseeg tau tias kev sib kis ntawm cov saw hlau du tom qab sib dhos.
2. Kev Ua Kom Qhov Chaw Ruaj Khoov: Txhim Kho Kev Hnav Thiab Kev Tiv Thaiv Kev Xeb
Nyob ntawm seb qhov chaw siv ua haujlwm li cas, cov khoom ua haujlwm xav tau kev kho qhov chaw kom raug:
Carburizing thiab Quenching: Cov menyuam thiab bushings raug carburized hauv lub cub tawg carburizing ntawm 900-950 ° C rau 4-6 teev kom ua tiav cov pa roj carbon ntawm 0.8% -1.2%. Tom qab ntawd lawv raug quenched thiab tempered ntawm qhov kub qis los tsim cov qauv gradient uas muaj qhov nyuaj ntawm qhov chaw thiab lub hauv paus muaj zog siab. Qhov nyuaj ntawm qhov chaw tuaj yeem ncav cuag tshaj HRC60, thiab lub hauv paus muaj zog ≥50J / cm².
Phosphating: Cov khoom xws li cov saw hlau yog phosphated los tsim cov zaj duab xis phosphate porous ntawm qhov chaw, txhim kho cov roj nplaum tom qab thiab txhim kho kev tiv thaiv corrosion.
Kev Tua Hluav Taws Xob: Kev tua hluav taws xob ntawm qhov chaw ntawm lub phaj saw hlau tsim cov kev ntxhov siab seem los ntawm kev cuam tshuam ntawm cov hlau ceev ceev, txo qhov pib tawg qaug zog thiab ua kom lub neej qaug zog ntawm cov saw hlau ntev dua.
IV. Kev Tshuaj Xyuas Tag Nrho Cov Txheej Txheem: Kev Tiv Thaiv Zoo kom Tshem Tawm Qhov Tsis Zoo
Txhua txoj kev ua forging raug tshuaj xyuas kom zoo, tsim kom muaj kev tswj hwm zoo los ntawm cov khoom siv raw mus rau cov khoom tiav, kom ntseeg tau 100% kev lees paub zoo rau txhua yam khoom siv roller saw uas tawm hauv lub Hoobkas.
1. Kev Tshuaj Xyuas Txheej Txheem: Kev Tshuaj Xyuas Lub Sijhawm Tiag Tiag ntawm Cov Txheej Txheem Tseem Ceeb
Kev Tshuaj Xyuas Kub: Cov ntsuas kub infrared siv los saib xyuas qhov kub ntawm cov billet hauv lub sijhawm tiag tiag, nrog rau qhov yuam kev tswj tau hauv ± 10 ° C.
Kev Tshuaj Xyuas Pwm: Lub qhov pwm raug tshuaj xyuas seb puas muaj kev hnav txhua 500 qhov tsim tawm. Kev kho kom zoo nkauj yuav ua tiav tam sim ntawd yog tias qhov roughness ntawm qhov chaw tshaj Ra3.2μm.
Kev Tshuaj Xyuas Qhov Loj: Siv lub tshuab ntsuas peb-seem los kuaj thiab tshuaj xyuas cov khoom ua los ntawm cov hlau, tsom mus rau qhov loj me tseem ceeb xws li txoj kab uas hla sab nraud, txoj kab uas hla sab hauv, thiab tuab ntawm phab ntsa. Tus nqi kuaj tsis tsawg dua 5%.
2. Kev Tshuaj Xyuas Khoom Tiav Lawm: Kev Txheeb Xyuas Tag Nrho Cov Cim Qhia Kev Ua Tau Zoo
Kev Ntsuas Kev Ua Haujlwm Mechanical: Xaiv cov khoom tiav lawm los ntawm kev sim qhov nyuaj (Rockwell hardness tester), kev sim qhov cuam tshuam (pendulum impact tester), thiab kev sim lub zog tensile kom ntseeg tau tias ua raws li cov qauv khoom.
Kev Ntsuas Tsis Ua Rau Puas Tsuaj: Kev ntsuas ultrasonic yog siv los nrhiav cov qhov tsis zoo sab hauv xws li cov qhov hws thiab cov kab nrib pleb, thaum kev ntsuas cov khoom sib nqus yog siv los nrhiav cov qhov tsis zoo ntawm qhov chaw thiab hauv qab.
Kev Ntsuas Sib Dhos: Cov khoom tsim nyog tau sib dhos ua ke rau hauv cov saw hlau thiab raug kuaj xyuas kev ua haujlwm dynamic, suav nrog kev sib kis raug, suab nrov, thiab lub neej qaug zog. Piv txwv li, ib qho khoom raug suav hais tias tsim nyog tsuas yog tias nws tau khiav tas li ntawm 1500 r / min rau 1000 teev yam tsis muaj teeb meem.
V. Cov txiaj ntsig ntawm cov txheej txheem thiab tus nqi ntawm daim ntawv thov: Vim li cas Precision Forging thiaj yog qhov kev xaiv thawj zaug ntawm kev lag luam?
Piv rau cov txheej txheem "forging + extensive cutting" ib txwm muaj, precision forging muaj peb qhov zoo tseem ceeb rau kev tsim cov saw hlau:
Kev siv cov khoom siv ntau: Kev siv cov khoom siv tau nce ntxiv los ntawm 60% -70% hauv cov txheej txheem ib txwm mus rau ntau dua 90%, txo cov khoom siv raw pov tseg;
Kev ua haujlwm zoo ntawm cov khoom siv: Siv ntau lub chaw nres tsheb txuas ntxiv mus rau kev sib tsoo thiab cov khoom siv tsis siv neeg, kev ua haujlwm zoo dua yog 3-5 npaug ntau dua li cov txheej txheem ib txwm muaj;
Kev ua tau zoo ntawm cov khoom: Forging faib cov hlau cov qauv fiber raws li cov duab ntawm cov khoom ua haujlwm, tsim kom muaj cov qauv zoo nkauj, ua rau lub neej qaug zog ntev dua 20% -30% piv rau cov khoom siv tshuab.
Cov txiaj ntsig no tau ua rau muaj kev siv dav dav ntawm cov saw hlau forged roller hauv kev tsim khoom siv siab heev, xws li kev tsav tsheb rau cov tshuab siv hauv kev tsim kho, lub sijhawm rau cov cav tsheb, thiab cov spindle drives rau cov cuab yeej siv tshuab precision. Lawv tau dhau los ua cov khoom siv hluav taws xob tseem ceeb uas ua kom cov khoom siv hauv kev lag luam ua haujlwm ruaj khov.
Xaus lus
Cov txheej txheem forging precision rau cov saw hlau yog qhov kawg ntawm txoj hauv kev ua tiav uas muaj kev sib xyaw ua ke ntawm cov ntaub ntawv tshawb fawb, kev siv tshuab pwm, kev tswj hwm tsis siv neeg, thiab kev tshuaj xyuas zoo. Txij li cov qauv nruj hauv kev xaiv cov khoom siv raw, mus rau qhov kev tswj hwm qhov tseeb ntawm millimeter hauv lub hauv paus forging, mus rau kev txheeb xyuas tag nrho hauv kev sim cov khoom tiav, txhua txoj hauv kev qhia txog kev txawj ntse thiab lub zog ntawm kev tsim khoom lag luam.
Lub sijhawm tshaj tawm: Cuaj hlis-24-2025