2024 Tus sau: Howard Calhoun | [email protected]. Kawg hloov kho: 2023-12-17 10:28
Steel 65G, uas nquag siv rau kev tsim cov riam, yog cov khoom siv uas tsim los ntawm cov hlau alloy ntawm cov ntsiab lus xws li carbon thiab hlau. Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov ntawm no tias qhov kev faib ua feem ntawm ob yam khoom no tuaj yeem sib txawv, nyob ntawm seb cov khoom zoo li cas los ntawm cov hlau, thiab yog vim li cas nws yuav siv rau yav tom ntej.
Cov khoom lag luam dav dav
Lub ntsiab lus tseem ceeb suav nrog hauv cov yam ntxwv ntawm 65G steel yog nws tus nqi qis. Ua tsaug rau qhov no tias tag nrho cov khoom tsim los ntawm cov hlau no yog qhov xav tau zoo.
Cov khoom nws tus kheej belongs rau pab pawg ntawm lub caij nplooj ntoos hlav steels. Qhov zoo tshaj plaws, cov tshuaj qiv nws tus kheej rau cov haujlwm xws li bluing thiab blackening. Vim yog cov khoom tshwj xeeb ntawm cov hlau, cov khoom siv feem ntau yog siv rau kev tsim ntau yam riam phom, tsis tshua muaj, tab sis, txawm li cas los xij, nws yog siv los ua lub hauv paus thaum sib sau cov riam. Tsis tshua muaj kev siv cov hlau yog vim qhov tseeb tias nws sai sai xeb thiab oxidizes.
Nws yog ib qho tsim nyog sau cia tias qhov hardening ntawm 65G steel yog ib qho ntawm cov txheej txheem tseem ceeb, txij li thaumlub alloy yog xyaum tsis ntshai ntawm qhov kub thiab txias. Qhov tsuas yog qhov tsis zoo uas tuaj yeem tshwm sim thaum overheating ntau dhau yog qhov txo qis hauv toughness.
Cov txiaj ntsig tseem ceeb
Ntawm qhov zoo ntawm 65G steel yog cov hauv qab no:
- Cov npoo loj ntawm kev nyab xeeb. Qhov no qhia tau tias txawm tias nyob rau hauv cov khoom siv siab, cov riam yuav tsis tawg lossis deform.
- High tiv thaiv kev cuam tshuam thiab deformation loads. Nws yog vim qhov zoo no uas cov khoom siv feem ntau siv los tsim cov riam los yog ntaj, me ntsis tsawg dua rau kev kho mob scalpels.
- Ntxhais cov khoom siv yooj yim heev.
- kua muag kuj siab.
Raws li kev kos cov hlau, tus lej 65 qhia qhov feem pua ntawm cov khoom xws li carbon, hauv pua pua ntawm ib feem pua, uas yog, 0.65%. Tsab ntawv "G" qhia tias manganese tau dhau los ua cov khoom siv tseem ceeb.
tsis zoo ntawm cov hlau
Nws paub tias 65G steel kuj muaj ntau qhov tsis zoo uas tsim qee yam kev txwv ntawm kev siv cov hlau.
- Ib qho tsis pom zoo tshaj plaws yog qhov muaj zog tiv thaiv corrosion vim qhov tseeb tias cov hlau belongs rau pawg carbon.
- Txawm hais tias cov hlau ntawm lub hom no yog sharpened heev yooj yim, nws kuj yog ib qho yooj yim thiab poob no sharpening. Vim li no, nws yog ib qho tsim nyog yuav tsum tau saib xyuas tas li lub sharpness ntawm txiav ntug thiabsharpen li xav tau.
- Muaj qee qhov txwv tsis pub dhau.
Nws tsim nyog sau cia ntawm no tias qhov zoo thiab qhov tsis zoo yog cov khoom sib txheeb. Nws yog tsis tsim nyog los faib lawv kiag li nrog ib yam khoom los ntawm no alloy. Qhov no tau yooj yim piav qhia los ntawm qhov tseeb tias txhua tus kws tsim khoom siv steel siv cov cuab yeej tsim khoom nrog qee qhov kev hloov kho. Qee zaum qhov muaj pes tsawg leeg tsis txawv ntau, thiab qee zaum qhov sib txawv yog nyob rau hauv yuav luag txhua yam. Lawm, cov khoom nyob rau hauv cov ntaub ntawv no yuav txawv.
Txoj kev sib sau
Qee yam khoom ntawm 65G steel tau coj mus rau qhov tseeb tias nws tsis tsim nyog rau cov txheej txheem xws li vuam. Txawm li cas los xij, txawm hais tias qhov no, qhov peev txheej tseem dav heev, yog tias koj tsis suav nrog kev siv riam phom txias. Xws li cov hlau nplaum tuaj yeem ua tiav siv los tsim cov khoom xws li cov khoom siv, cov khoom siv hlau, cov khoom siv hlau, ntau yam khoom, thiab lwm yam. Hlau yog siv los ua ke ntawm cov tsheb thauj khoom raws li lub caij nplooj ntoos hlav rau lub qag nram qab. Txhawm rau kom tsis txhob muaj qhov tsis xws li xeb kom ntev li ntev tau, nws yog ib qho tsim nyog yuav tsum khaws cov khoom tsuas yog nyob rau hauv qhov chaw qhuav, thiab tseem npog lawv nrog cov roj muaj pes tsawg leeg.
Nws tsim nyog sau cia tias muaj cov ntaub ntawv tswj hwm lub ntsiab ntawm cov khoom no. Steel 65G yog tsim raws li GOST 14959-2016. Cov ntaub ntawv no tsuas yog siv rau cov hlau ua kub dov los yog forged.
Nws tsim nyog hais tiastsis muaj ib tug loj tus naj npawb ntawm cov ntsiab lus rau alloying muaj pes tsawg leeg ua rau nws pheej yig heev. Tsis tas li ntawd, hardening ntawm 65G steel txhim kho qhov tsis zoo xws li hnav tsis kam, lub zog muaj zog, thiab lwm yam. Quenching yuav siv qhov chaw ntawm qhov kub ntawm 800-830 degrees Celsius, ua raws li tempering ntawm qhov kub ntawm 160-200 degrees Celsius.
Pom zoo:
Credit thiab kev koom tes ntawm cov neeg siv khoom: kev tawm tswv yim los ntawm cov neeg tso nyiaj, cov npe, cov lus piav qhia ntawm cov kev pabcuam
Credit-consumer cooperative - ib qho kev xaiv rau cov tsev txhab nyiaj thiab microloans. CCP tau nyob rau hauv kev lag luam nyiaj txiag hauv Lavxias rau ntau tshaj 15 xyoo, tab sis cov pej xeem ceev faj txog lawv cov dej num. Kev tshuaj xyuas cov credit thiab cov neeg siv khoom koom tes, uas nyiam cov neeg Lavxias, yuav tso cai rau cov neeg siv khoom tshiab los kawm txog cov haujlwm ntawm CPC, qhov zoo thiab qhov tsis zoo ntawm kev koom tes hauv kev koom tes hauv Lavxias Federation
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Yam koj yuav tsum tau ua haujlwm hauv tsheb tavxij: cov ntaub ntawv tsim nyog thiab cov cai, cov cai thiab kev cai lij choj. Cov lus teb thiab cov lus qhia los ntawm cov neeg tsav tsheb tavxij, cov neeg siv khoom thiab cov neeg xa khoom
Raws li ntau tus neeg caij tsheb, txoj haujlwm ntawm tus tsav tsheb tavxij yog qhov yooj yim tshaj plaws. Koj zaum, mloog suab paj nruag zoo nkauj thiab tsav tsheb rov qab los. Thiab lawv muab nyiaj rau koj. Tab sis qhov no tsuas yog sab nraud ntawm lub npib. Qhov rov qab yog ntau dua rosy. Peb yuav tham txog nws hauv kab lus no. Thiab peb tseem yuav qhia txog yam koj xav tau ua haujlwm hauv tsheb tavxij
