13 yam khoom siv machining (hlau)

13 yam khoom siv machining (hlau)

1. Tsis muaj . 45 steel

Qhov feem ntau siv nruab nrab - carbon quenched thiab tempered steel yog ib hom hlau. Tus naj npawb "45" txhais tau hais tias qhov nruab nrab carbon cov ntsiab lus ntawm cov hlau yog 0.45%, cov khoom siv kho tshuab muaj txiaj ntsig zoo, lub hardenability tsawg, thiab cov kab nrib pleb yooj yim tshwm sim thaum dej quenching. Cov me me yuav tsum tau quenched thiab tempered, thiab loj qhov chaw yuav tsum normalized.

 

2. Q235A

Cov feem ntau siv carbon structural steel, tseem hu ua A3 steel. Nws muaj plasticity siab, toughness, vuam kev ua tau zoo, txias stamping kev ua tau zoo, qee lub zog thiab kev ua haujlwm txias txias. Cov qib zoo tau muab faib ua plaub qib: A, B, C, thiab D, thiab qib zoo ntawm Q235A steel yog qib A.

 

3. 40Cr

Ib qho ntawm feem ntau siv steel hom yog alloy structural steel. Tom qab quenching thiab tempering kev kho mob, nws muaj kev zoo txhua yam khoom, tsis tshua muaj kub cuam tshuam toughness thiab tsis tshua muaj notch rhiab heev, zoo hardenability, siab qaug zog muaj peev xwm yuav tau txais thaum roj txias, thiab complex cov duab qhov chaw yog nquag tawg thaum dej txias. Qhov txias -bending plasticity yog nruab nrab, thiab machinability yog zoo tom qab tempering los yog tempering, tab sis lub weldability tsis zoo, thiab tawg yooj yim tshwm sim. Nws yuav tsum tau preheated rau 100-150℃ua ntej vuam. Nws yog feem ntau siv nyob rau hauv lub xeev quenched thiab tempered, thiab carbon nitrogen kuj siv tau. Co-infiltration thiab high-frequency nto quenching kev kho mob.

 

 

4. HT150 grey cam khwb cia hlau, tsab ntawv "HT" yog thawj tsab ntawv ntawm "grey hlau", lub zog tensile yog 150MPa, nruab nrab lub zog cam khwb cia hlau, muaj cov txheej txheem casting zoo, feem ntau siv hauv cov txee, tshuab txaj thiab lwm yam.

 

5. Tsis muaj . 35 steel

Ib hom hlau, ib yam khoom siv rau ntau yam qauv thiab fasteners, tus naj npawb "35" sawv cev rau qhov nruab nrab cov ntsiab lus ntawm cov hlau yog 0.35%. Tsim nyog lub zog, zoo plasticity, siab txias yas, siv tau weldability. Nws tuaj yeem ntxhov siab ib nrab thiab kos rau hauv lub xeev txias. Tsawg hardenability, siv tom qab normalizing los yog tempering

 

6. 65Mn

Ib hom caij nplooj ntoos hlav steel, ntau lub tiaj tiaj thiab puag ncig, lub tog raj kheej, lub caij nplooj ntoos hlav caij nplooj ntoos hlav hauv qhov me me, thiab tseem tuaj yeem siv los ua lub caij nplooj ntoos hlav, lub valve springs, clutch reeds, nres springs, txias -rolled coil springs, circlips, thiab lwm yam.

 

7. 0Cr18Ni9

Ib qho ntawm feem ntau siv stainless hlau, raws li cov khoom siv dav siv ntau tshaj plaws stainless hlau- cov hlau tsis muaj zog, xws li cov khoom noj khoom haus, cov khoom siv tshuaj lom neeg, cov khoom siv hluav taws xob hauv kev lag luam atomic, thiab 1Cr18Ni9, 3Cr18Ni9 thiab lwm yam khoom siv hlau tsis zoo.

 

 

8. Cr12

Feem ntau siv txias ua hauj lwm tuag steel, Cr12 steel yog dav siv txias ua hauj lwm tuag steel, uas belongs rau high carbon thiab siab chromium ledeburite steel. Cov hlau muaj zoo hardenability thiab zoo hnav tsis kam; txij li cov ntsiab lus carbon ntawm Cr12 steel yog siab li 2.3%, qhov cuam tshuam toughness tsis zoo, nws yog ib qho yooj yim rau nkig, thiab nws yog ib qho yooj yim los tsim uneven eutectic carbides;

 

9. 3Cr13

Nws belongs rau hom martensitic stainless hlau thiab muaj kev ua haujlwm zoo. Tus lej "3" txhais tau hais tias qhov nruab nrab carbon cov ntsiab lus hauv cov khoom yog 0.30%. Nws muaj kev tiv thaiv corrosion zoo heev, polishing kev ua tau zoo, siab zog thiab hnav tsis kam, thiab tsim nyog rau kev tsim cov pwm yas uas tuaj yeem ua haujlwm siab, hnav tsis kam thiab nyob rau hauv qhov kev txiav txim ntawm corrosive media. Cov khoom siv 3Cr13 nrog lub hardness hauv qab HRC30 tom qab quenching thiab tempering kho muaj kev ua tau zoo dua thiab tuaj yeem ua tiav qhov zoo dua qub.

 

10. YG6X

Ib hom cemented carbide, feem ntau siv hauv kev tsim cov cuab yeej cemented carbide. Cemented carbide yog cov khoom siv hlau ua los ntawm cov khoom siv tawv tawv ntawm cov hlau refractory thiab cov hlau sib txuas los ntawm cov hmoov metallurgy.

Cemented carbide muaj cov khoom zoo heev xws li siab hardness, hnav tsis kam, zoo zog thiab toughness, kub tsis kam, thiab corrosion kuj. Nws yog lub npe hu ua "cov hniav nyiaj hniav kub", tshwj xeeb tshaj yog nws cov hardness siab thiab hnav tsis kam, txawm tias ntawm 500℃C Nws kuj tseem tseem tsis tau hloov pauv ntawm qhov kub thiab txias, thiab nws tseem muaj zog hardness ntawm 1000 degree.

 

11, T10, T12

T10 yog cov khoom siv carbon ntau tshaj plaws nrog cov ntsiab lus carbon nruab nrab ntawm 1.0%, nruab nrab toughness thiab cov nqi qis. Tom qab kev kho cua sov, qhov hardness tuaj yeem ncav cuag 60HRC. Txawm li cas los xij, cov hlau no muaj qhov hardenability tsawg thiab tsis muaj cua sov ua haujlwm. (250 degree), nws tsis yooj yim rau overheat thaum lub sij hawm quenching thiab cua sov, thiab tseem tuav cov nplej zoo. Lub toughness yog txais, lub zog thiab hnav tsis kam yog siab tshaj T7-T9, tab sis lub thermal hardness yog tsawg, hardenability tseem tsis siab, thiab quenching deformation yog loj.

T12 kuj yog ib yam ntawm cov cuab yeej carbon steel, nrog rau qhov nruab nrab carbon ntsiab lus ntawm 1.2%, thiab muaj ntau tshaj carbides tom qab quenching. Raws li kev hnav tsis kam thiab hardness, nws yog qhov tsim nyog rau kev txiav cov npoo uas tsis raug cuam tshuam rau kev thauj khoom, txiav ceev, thiab txiav cov npoo. tsis yog- cov cuab yeej cua sov

 

12. LOJ 12

Ib hom aluminium alloy, LY12 yog qib qub, thiab qib tshiab yog 2A12, uas yog siab - lub zog duralumin uas tuaj yeem ua kom muaj zog los ntawm kev kho cua sov. Lub machinability ntawm cov hlau tseem zoo tom qab quenching thiab txias hardening, thiab lub machinability yog tsawg tom qab annealing. ; Lub corrosion kuj tsis siab, thiab anodic oxidation kev kho mob thiab painting txoj kev yog feem ntau siv los yog nto yog coated nrog txhuas los txhim kho nws corrosion kuj. Cov khoom lag luam aviation tau dhau los ntawm cov txheej txheem kuaj xyuas qhov tsis txaus ntseeg ntawm cov khoom siv hluav taws xob ntawm cov khoom siv hauv aerospace, tsis muaj xuab zeb qhov, tawg, huab cua npuas thiab impurities.

 

13. 6061, 6063 aluminium alloy

Lub teeb tsis yog -ferrous hlau xa mus rau cov khoom tsis yog-ferrous hlau cov ntaub ntawv uas muaj qhov ntom tsawg dua 4.5g / cm³, suav nrog cov hlau ntshiab xws li txhuas, magnesium, sodium, potassium, calcium, strontium, barium thiab lawv cov alloys. Cov yam ntxwv ntawm cov hlau no yog: tsawg ntom (0.53-4.5g / cm³), cov tshuaj lom neeg ua haujlwm siab, thiab cov tshuaj ruaj khov nrog oxygen, sulfur, carbon thiab halogens. Ntawm lawv, aluminium thiab aluminium alloy yog cov khoom siv dav tshaj plaws hauv kev lag luam, thiab nws cov zis tau tshaj 1/3 ntawm tag nrho cov khoom siv hlau tsis muaj hlau tam sim no.

Cov ntsiab lus tseem ceeb ntawm 6000 series aluminium alloy sawv cev los ntawm 6061 txhuas yog magnesium thiab silicon, uas muaj lub zog nruab nrab, zoo corrosion kuj, weldability, thiab zoo oxidation nyhuv.