Non-standard Customized Kub Forgings

Qinhuangdao Zhongwei Precision Machinery Co., Ltd. Cov khoom tuaj yeem tsim raws li cov duab kos thiab cov tshuaj sib xyaw ua ke, thiab kev sib koom ua ke ntawm kev sib tsoo dawb, tuag forging, ntxhib machining, kev kho cua sov thiab kev ua tiav tiav. Kev koom tes ntev nrog crane, roj av, tshuaj, mining, metallurgy, hydraulic, coking, tsheb ciav hlau, siv tshuab thiab lwm yam lag luam.

Product Dsecription

1. Cov qauv kev coj ua: lub tuam txhab nruj me ntsis ua raws li ISO9001, ISO14001, IATF16949 ntawv pov thawj

Cov khoom tau dhau daim ntawv pov thawj ntawm ROHS, FDA EU, thiab lwm yam.

2. Cov qauv khoom siv: ISO, GB, ASTM, SAE, EN, DIN, BS, AMS, JIS, ASME, DMS, TOCT, GB

3. Cov txheej txheem tseem ceeb: txias forging, kub forging, dawb forging, fetal membrane forging, tuag forging thiab tshwj xeeb tuag forging. Thiab muaj cov txheej txheem tuag casting, peev casting, plhaub casting, deburring, xuab zeb blasting, machining, kho cua sov, xau kuaj, kho deg, thiab lwm yam.

4. Cov ntaub ntawv muaj nyob rau cov khoom tsis yog tus qauv customized kub forgings:

Copper, titanium alloy, siab manganese steel, siab chromium hlau, siab nickel hlau, carbon hlau, aluminium alloy, hlau alloy, stainless hlau, grey hlau, cam khwb cia hlau, cam khwb cia hlau, thiab lwm yam.

Kev kho cua sov

Kev kho cua sov thev naus laus zis ntawm Non-standard customized kub forgings feem ntau suav nrog annealing, normalizing, quenching, tempering, quenching thiab tempering, tshuaj kho thiab kev laus kho. Ntawm lawv, annealing kuj muaj xws li tsis tiav annealing, ua tiav annealing, isothermal annealing, dav spheroidizing annealing, isothermal spheroidizing annealing, ceev spheroidizing annealing (normalizing-spheroidizing annealing); normalizing muaj xws li normalizing zoo tib yam thiab ob-theem normalizing. Tsis tas li ntawd, muaj forging thaum tshav kub kub quenching, normalizing siv ib feem ntawm cov khib nyiab cua sov, quenching siv ib feem ntawm cov khib nyiab cua sov, isothermal annealing siv ib feem ntawm cov khib nyiab cua sov, thiab kub tempering.

1. Tsis tiav annealing

Thaum tshav kub kub ntawm cov hlau mus rau ntawm Ac1 thiab Ac3 (los yog Acm), lub sij hawm luv luv, kev kho cua sov ntawm kev ua kom txias qeeb tom qab tuav lub sijhawm luv kom tau txais cov qauv pearlite thiab spherical carbide, txo hardness thiab txhim kho machinability, feem ntau yog siv rau cov cuab yeej steel. , Bearing steel txias tuag steel.

2. Ua kom tiav annealing (feem ntau hu ua annealing)

Cov hlau hypoeutectoid yog rhuab mus rau 30-50 degree saum toj no A c3, thiab lub austenitization yog ua tiav los ntawm kev txuag hluav taws xob, thiab cov muaj pes tsawg leeg yog qhov sib xws. Txhawm rau kom tau txais cov qauv sib npaug, qhov kev ntxhov siab forging raug tshem tawm, qhov hardness yog txo, cov yas zoo dua, thiab kev txiav kev ua tau zoo dua; cov coarse nplej raug tshem tawm, cov qauv txhim kho, thiab cov qauv yog npaj rau kev kho cua sov tom qab ntawm qhov chaw. Feem ntau siv rau cov hlau hypoeutecoid, xws li 5CrMnMo, thiab lwm yam.

3. Isothermal annealing

Thaum tshav kub kub ntawm cov hlau mus rau 20-30 degree saum toj no Ac3 (hypo-eutectoid steel) los yog nruab nrab ntawm Ac1 thiab Acm (hyper-eutectoid steel), ua kom kub kom txog thaum nws yog kiag li austenitized thiab uniform, thiab ces txias sai rau hauv qab Ar1 A tej qhov kub thiab txias (uas yog, qhov kub tsis ruaj khov tshaj plaws ntawm austenite) tau khaws cia isothermally kom txog thaum lub austenite hloov pauv tag nrho, thiab tom qab ntawd nws yog cua-txias lossis txias nrog rau qhov cub, roj, thiab dej kom tau txais cov qauv sib txawv dua li kev ua kom tiav, tshem tawm zoo. lub forging kev nyuaj siab, shorten lub sij hawm annealing thiab txhim kho cov productivity los ntawm tiav annealing. Nws yog tsim rau hypoeutectoid steel, eutectoid steel thiab hypereutectoid steel, xws li 20CrMnTi, 5CrMnMo, Cr12MoV, T8, thiab lwm yam.

4. General spheroidizing annealing

Cov hlau yog rhuab mus rau nruab nrab ntawm Ac1 thiab Acm (los yog Ac3), thiab tom qab kev txuag hluav taws xob txaus, nws maj mam txias mus rau 500-650 degree C kom txias, kom cov hlau tuaj yeem tau txais cov qauv zoo-grained (spherical) carbide. dispersed ntawm ferrite matrix. Nws yuav txhim kho qhov kev ua tau zoo ntawm kev txiav thiab txo qhov kev xav ntawm deformation thiab tawg thaum lub sij hawm quenching, kom cov hlau tuaj yeem tau txais kev ua tau zoo kawg nkaus. Rau kev kho cua sov ua ntej ntawm cov kabmob, cov cuab yeej, kev ua haujlwm txias tuag, thiab lwm yam.

5. Isothermal spheroidizing annealing

Thaum tshav kub kub ntawm eutectoid steel los yog hypereutectoid steel rau Ac1 ntxiv (20-30 degree) (yog hais tias cov reticulated carbide nyob rau hauv thawj cov qauv yog hnyav, nws yuav tsum tau rhuab mus rau ib tug me ntsis siab dua Acm), khaws cia rau lub sij hawm tsim nyog, thiab tom qab ntawd txias nws mus rau qhov kub me ntsis qis dua Ar1. Qhov kub yog isothermal kom txog rau thaum lub austenite transformation tiav, ces rauv cua txias los yog cua txias, thiab spheroidizing annealing. Feem ntau siv rau hauv cov pa roj carbon steel thiab alloy steel cov cuab yeej, txias ua hauj lwm tuag thiab bearing qhov chaw. Zoo dua carbide spheroidization zoo thiab cov txheej txheem tsawg dua tuaj yeem tau txais.

6. Ceev ceev spheroidizing annealing (normalizing - spheroidizing annealing)

Lub hypereutectoid steel yog rhuab rau Acm ntxiv (20-30 degree), cua txias (normalized) tom qab tshav kub preservation, kom tau flaky pearlite. Tom qab ntawd spheroidizing annealing lossis isothermal spheroidizing annealing yog ua nrog spheroidizing annealing. Nws yog siv rau forging steel qhov chaw nrog tuab pearlite flakes, loj reticulated carbides thiab nyuaj spheroidization, xws li T12, bearing steel, thiab lwm yam.

7. Normalizing (zoo tib yam normalizing)

Hypo-eutectoid steel yog rhuab rau Ac3 ntxiv (30-50 degree), eutectoid steel thiab hypereutectoid steel yog rhuab rau Acm ntxiv (30-50 degree), khaws cia rau ib lub sij hawm ntawm lub sij hawm thiab ces cua txias rau tau txais kev kho cua sov ntawm pearlite qauv, kho cov qauv, tshem tawm Widmandarin qauv ntawm nruab nrab carbon steel los yog reticulated carbide ntawm hypereutectoid steel txo kev ntxhov siab thiab txhim kho machinability. Rau kev kho cua sov ntawm hypoeutectoid, eutectoid thiab hypereutectoid steels.

8. Ob theem normalizing

Tom qab cua sov thiab kev txuag hluav taws xob los ntawm kev ua kom zoo li qub, ua ntej txias lub workpiece kom txog li 550 degree hauv qab Ar1, thiab tom qab ntawd muab tso rau hauv lub qhov cub lossis tshauv rau kev kho cua sov qeeb kom txo qis deformation thiab tshem tawm cov ntaub so ntswg txawv txav. Nws yog siv rau workpieces nrog complex duab los yog loj sib txawv nyob rau hauv cross-sectional qhov ntev los yog steels uas yog nquag mus rau txawv txawv qauv.

9. Quav

Tshav kub cov hlau rau Ac3 ntxiv rau 30-50 degree (hypo-eutectoid steel) los yog nruab nrab ntawm Ac1 thiab Acm (hyper-eutectoid steel), kom sov kom txog rau thaum qhov sib txuam kub kub tau txais, thiab tom qab ntawd quench ntawm tus nqi siab dua. Qhov tseem ceeb ntawm qhov txias txias kom tau txais cov qauv martensite. Rau cov hlau, quenching yog siv kom tau cov qauv tsis sib xws los txhim kho lub zog thiab hardness. Rau austenitic stainless hlau, quenching yog kev kho mob, thiab quenching yog siv los txhim kho corrosion kuj thiab kub oxidation tsis kam ntawm hlau.

10. Forging tshav kub quenching (tshwj xeeb rau kub kub deformation kub kho)

Tom qab forging yog tsim los ntawm kub forging (qhov kub ntawm lub workpiece thaum lub sij hawm kawg forging yog feem ntau txog 900 degree), nws yog tam sim ntawd quenched nyob rau hauv ib tug quenching nruab nrab kom tau ib tug quenched qauv. Nws yog txheej txheem kev kho cua sov uas sib xyaw ua ke kub forging thiab kev kho cua sov. Txhawm rau txhim kho lub zog ntawm forgings, txhim kho plasticity thiab toughness, thiab tuaj yeem ua rau cov txheej txheem yooj yim, txuag lub zog thiab txhim kho cov khoom tsim tawm. Feem ntau yog siv rau cov hlau hypoeutecoid, xws li 45 steel thiab 40Cr thiab lwm yam steel kub forgings.

11. Forging kub isothermal annealing

Tom qab lub forging yog tsim los ntawm kub forging, tswj txias yog siv, feem ntau txias rau ib tug tej yam kub hauv qab Ac1 nyob rau hauv li 5 feeb thiab isothermal, siv supercooled austenite kom tag hloov mus rau hauv ferrite thiab pearlite qauv, thiab kev kho cua sov rau random txias tom qab cua sov kom zoo. kev khaws cia. Txhawm rau kom tau txais cov qauv sib npaug, tshem tawm kev ntxhov siab, thiab txhim kho kev ua haujlwm, rau qee cov ntaub ntawv, lub sijhawm hloov pauv tuaj yeem ua kom luv thiab lub zog tuaj yeem txuag tau. Nws yog tsuas yog siv rau kev kho cua sov ua ntej ntawm alloy carburized steel forgings, thiab tuaj yeem siv rau cov cuab yeej hlau xws li CrWMn.

12. Siv ib feem ntawm cov khib nyiab cua sov kom normalize

Tom qab forging yog kub forged, cua txias txog li 500 degree, lub austenite tau hloov tag nrho, thiab ces rhuab mus rau lub sov annealing kub, ua raws li los ntawm tshav kub preservation, ceev ceev txias, isothermal txias, thiab isothermal annealing txheej txheem. Ntxiv rau kev txuag qee lub zog, nws lub hom phiaj yog annealing ntawm tib qhov kub thiab txias.

13. Tempering

Thaum tshav kub kub lub quenched los yog normalized workpiece mus rau ib tug tej yam kub hauv qab Ac1, tuav nws rau ib tug tej lub sij hawm ntawm lub sij hawm, thiab ces txias nws mus rau hauv chav tsev kub ntawm qhov tsim nyog ceev los hloov lub unstable qauv tau los ntawm quenching mus rau hauv ib tug ruaj khov qauv; tsim nyog txo cov hardness thiab lub zog, txhim kho plasticity thiab toughness, txo los yog tshem tawm cov residual kev nyuaj siab.

14. Kub kub tempering

Thaum tshav kub kub ntawm cov hlau mus rau ib qho kub hauv qab Ac1, (feem ntau ntawm 500-700 degree) thiab cua txias tom qab cua sov kom txo cov hardness, txhim kho plasticity, txo los yog tshem tawm cov kev ntxhov siab sab hauv, qee cov hlau alloy muaj siab hardness tom qab normalizing, siv kub Tempering txo cov hardness, thiab nruab nrab carbon qauv yog tempered ntawm kub kub tom qab quenching.

15. Tempering

Cov txheej txheem kev kho cua sov ntawm ib txwm quenching thiab kub tempering ntawm nruab nrab carbon structural steel tuaj yeem tau txais cov khoom zoo txhua yam.

16. Kev kho mob

Thaum tshav kub kub rau cov laus-strengthened alloy los yog stainless hlau thiab tshav kub-resistant hlau mus rau ib tug tej yam kub kub (1000-1150 degree rau stainless hlau thiab kub-resistant steel) kom yaj tag nrho los yog feem ntau ntawm lub zog theem rau hauv cov khoom tov, kho cov nplej loj, thiab tom qab ntawd ntawm qhov ceev ceev (dej, huab cua, thiab lwm yam) txias, txhim kho qhov tsis sib xws ntawm cov txheej txheem ntxiv dag zog hauv lub xeev forging, txo cov hardness, txhim kho cov yas, corrosion kuj thiab hluav taws xob conductivity los yog npaj rau cov kev laus tom qab kho. Rau cov hlau tsis muaj steel, kub-resistant steel thiab hnub nyoog-strengthened alloys.

17. Kev laus kev kho mob

Cov kua dej supersaturated tau txais los ntawm cov khoom siv tshuaj kho mob nyob ntawm chav tsev kub lossis rau ib lub sijhawm, kom cov teeb meem supersaturated yaj hauv matrix yog uniformly precipitated. Stabilizes cov ntaub so ntswg thiab nce lub zog thiab hardness. Nws yog siv rau kev kho mob ntawm cov laus-strengthened alloys, stainless hlau thiab tshav kub-resistant steel tom qab kev daws teeb meem.

Qeb 4: Australian Standard

1. AS 4991-2004 Lifting devices

2. AS 2076-1996 R2014 Hlau Rope Slings

3. AS 1666.1-2009 Hlau Rope Slings Part 1 Product Specifications

4 AS 1666.2-2009 Silk hlua slings - Part 2 tu thiab siv

Post Casting txheej txheem

1. Kev kho cua sov: annealing, carbonization, tempering, quenching, normalizing, nto tempering

2. Cov khoom siv ua haujlwm: CNC, WEDM, tshuab dhos, milling tshuab, drilling tshuab, grinder, thiab lwm yam;

3. Kev kho deg: hmoov txau, chrome plating, painting, sandblasting, npib tsib xee plating, galvanizing, blackening, polishing, bluing, thiab lwm yam.

Pwm thiab tshuaj xyuas Fixtures

1. Pwm kev pab cuam lub neej: feem ntau yog semi-permanent. (tsuas yog ua npuas ncauj ploj)

2. Pwm lub sij hawm xa tuaj: 10-25 hnub, (raws li cov qauv khoom thiab cov khoom loj).

3. Tooling thiab pwm tu: Zhongwei yog lub luag hauj lwm rau precision qhov chaw.

Kev Tswj Xyuas Zoo

1. Kev tswj kom zoo: tus nqi tsis zoo yog tsawg dua 0.1 feem pua ​​.

2. Cov qauv thiab kev sim ua haujlwm yuav raug tshuaj xyuas 100 feem pua ​​​​ntawm kev tsim khoom thiab ua ntej xa khoom, kuaj cov qauv rau cov khoom loj raws li ISDO cov qauv lossis cov neeg siv khoom.

3. Cov khoom siv kuaj: kuaj pom qhov tsis zoo, spectrum analyzer, golden duab analyzer, peb-coordinate ntsuas tshuab, hardness kuaj khoom, tensile kuaj tshuab;

4. Muab kev pab cuam tom qab muag.