Qhov txawv ntawm NAK80 thiab S136 Yas Mould Steel

Hauv kev tsim cov yas txhaj tshuaj pwm-tshwj xeeb tshaj yog rau siab -kawg cov khoom siv hluav taws xob, cov khoom siv kho mob, thiab cov lo ntsiab muag kho qhov muag- cov kev sib tw ntawm cov hlau tsis txawv kiag li - sib sau tuag. Cov cuab yeej yas tsis tshua muaj kev cuam tshuam rau kev ua haujlwm hnyav. Es tsis txhob, rawyas pwm steelyuav tsum muaj sia nyob tshuaj lom neeg tawm tsam los ntawm corrosive polymers, tiv thaiv kev txhaj tshuaj siab tshaj ntau lab lub voj voog, thiab lees txais qhov tsis zoo, daim iav microscopic tiav.

Yog hais tias lub pwm steel thaiv raug kev txom nyem los ntawm me me metallurgical tsis xws luag, nws manifests raws li kev puas tsuaj tsis ua hauj lwm nyob rau hauv pem teb khw. Hauv cov cuab yeej kho qhov muag, ib qho microscopic impurity yuav ua rau "pitting" thaum kawg polishing, ua rau $ 30,000 kab noj hniav tsis muaj txiaj ntsig. Hauv kev tsim PVC, qis-tier steel yuav corrode nyob rau hauv lub lis piam raws li kev ua phem ntawm acidic gasses.

Thov nco ntsoov: Daim ntawv qhia kev tsim vaj tsev no yog tsim tshwj xeeb rau cov thawj coj ntawm kev yuav khoom thiab cov kws tsim khoom siv lub luag haujlwm rau kev nrhiav cov khoom nyoos forged blocks, tiaj tus tuav, thiab ua ntej- cov phaj tawv rau kev tsim pwm. Nws tsom rau cov khoom siv raw specification thiab kev tswj kom zoo.

Txhawm rau ua kom tau raws li qhov sib npaug, siab -yield ntau lawm, cov neeg tsim pwm thoob ntiaj teb vam khom rau qib siab, tshwj xeeb steel qib. Ob qho ntawm cov qauv zoo tshaj plaws hauv pawg no yogS136 hlau(tus hwm martensitic stainless qib) thiabNAK80 steel(hnub nyoog siab heev- steel hlau).

Raws li kev lag luam- ntawv pov thawjtuag steel tsum, Promisteel tau sau phau ntawv qhia txog kev yuav khoom tag nrho los pab koj lub chaw soj ntsuam qhov sib txawv ntawm ob cov ntaub ntawv no thiab ua rau xoom- khoom tsis raug.

Rau kev yuav cov tuam tsev tswj xyuas lawv cov khoom siv khoom siv, kev nkag siab qhov sib txawv ntawm NAK80 thiab S136 yog qhov tseem ceeb rau kev muaj txiaj ntsig. Nov yog txoj cai ceev kev yuav khoom:

Corrosion yog qhov kev hem thawj tseem ceeb:Koj qhov chaw yog molding corrosive plastics (xws li PVC, acetate, los yog nplaim taws-retardant resins).
Optical finish yuav tsum tau:Cov khoom kawg xav tau qhov kho qhov muag tsis pom zoo- qib iav polish ($ Ra < 0.01 \\mu m$), xws li cov koob tshuaj kho mob lossis lub koob yees duab lo ntsiab muag.
Ib puag ncig yog humid:Cov pwm ua haujlwm nyob rau hauv qhov siab - ib puag ncig cov av noo los yog chav huv huv uas cov cuab yeej txheem hlau yuav xeb.

Machining efficiency yog qhov tseem ceeb:Koj qhov chaw yuav tsum muaj cov khoom siv uas tuaj yeem ua kom zoo sib xws ntawm lub xeev ua ntej- hardened yam tsis muaj tearing. NAK80 muaj qhov tshwj xeeb hluav taws xob tawm machining (EDM) kev ua haujlwm.
Yuav tsum muaj kev ruaj ntseg zoo li qub:Daim phiaj xwm xav tau qhov tseeb tshaj plaws thoob plaws cov blocks loj, thiab koj yuav tsum tshem tawm tag nrho cov kev pheej hmoo ntawm geometric warping los ntawm kev tshaj tawm -machining tshav kub kho.
Uniform texture yuav tsum:Cov pwm yuav tsum muaj cov tshuaj etching los yog cov qauv nplej, tsis muaj qhov sib txawv ntawm qhov chaw thiab cov tub ntxhais ntawm lub thaiv.

Qhov kev ua haujlwm sib txawv ntawm S136 thiab NAK80 qia los ntawm kev sib txawv ntawm cov qauv tsim metallurgical. S136 tso siab rau cov chromium siab rau cov khoom tsis muaj zog, thaum NAK80 siv cov dej nag tshwj xeeb- tawv (hnub nyoog- hardening) matrix.

Element	S136 / 420 Hloov kho (Stainless)	NAK80 (Nyob rau hauv nag lossis daus hardened)	1.2083 Standard (Tebchaws Europe)
Cov pa roj carbon (C)	0.36% - 0.45%	0.10% - 0.20%	0.36% - 0.42%
Chromium (Cr)	12.00% - 14.00%	1.50% - 2.00%	12.00% - 14.00%
Nickel (Ni)	-	2.50% - 3.50%	-
Aluminium (Al)	-	0.70% - 1.30%	-
Copper (Cu)	-	0.70% - 1.20%	-

Nws nta txog li 14% dawb chromium. Qhov no loj heev concentration tsim ib tug heev ruaj khov passive chromium oxide txheej hla lub pwm kab noj hniav, tiv thaiv cov tshuaj etching los ntawm volatile PVC outgassing thiab ya raws.

Nws nta qis carbon tab sis suav nrog Nickel, Aluminium, thiab tooj liab. Lub xyoo zeb zeb steel- hardens cov khoom no, ua rau microscopic intermetallic tebchaw los precipitate uniformly thoob plaws hauv lub block. Qhov no muab qhov sib npaug ua ntej -hardened xeev ntawm37-43 HRClos ntawm qhov chaw sab nrauv mus rau qhov chaw tuag ntawm qhov thaiv loj heev.

Thaum muab khoom siab - kawgyas pwm steel, kev yuav khoom tsis tuaj yeem them taus txiav cov fab ntawm cov khoom siv purity. Tshawb nrhiav pom qhov tsis zoo hauv microscopic tom qab siv sijhawm 150 teev ntawm kev txiav CNC milling sawv cev rau qhov tsis txaus peev.

Cov huab cua txheem-melted 420 stainless muaj cov microscopic oxide suav nrog. Thaum tus kws tsim pwm sim ua pob zeb diamond- polishing huab cua- cov kab noj hniav, cov kev sib xyaw nyuaj no tawg, tsim cov pits microscopic.

Txoj Cai Muag Khoom:Rau kev siv kho qhov muag, kev yuav khoom yuav tsum nruj me ntsis qhiaS136 ESR (Electro-Slag Remelted) hlau. Cov txheej txheem ESR ntxuav cov hlau kom ze rau -zero inclusion levels, guaranteeing a flawless, pit-free optical mirror finish.

Vim tias NAK80 yog ua ntej- hardened los ntawm nag lossis daus hardening, nws tsis cia siab rau quenching ceev. Qhov no kiag li tshem tawm cov quenching kev nyuaj siab. Thaum koj lub chaw siv xaim EDM los txiav cov kab sib sib zog nqus rau hauv NAK80, cov hlau yuav tsis ntswj lossis tawg. Nws cov micro- qauv ua kom lub ntsej muag zoo sib xws tom qab EDM, txo cov sij hawm polishing los ntawm 50%.

Nkag siab txog lub xeev xa khoom ntawm cov hlau thaiv yog qhov tseem ceeb rau kev tswj hwm koj lub Hoobkas lub sijhawm tsim khoom thiab lub sijhawm CNC machining.

Lub Xeev Annealed:Muab muag ($\\le 235 HB$). Koj lub Hoobkas tshuab ua cov duab geometry yooj yim, tom qab ntawd xa cov pwm tawm rau lub tshuab nqus tsev (quenched thiab tempered rau48-52 HRC). Qhov no ua tiav qhov hnav tsis kam tshaj plaws tab sis muaj kev pheej hmoo me ntsis ntawm micro-distortion thaum kho cua sov.
Ua ntej-Hardened (S136H):Xa hardened rau 30-35 HRC. Nws tuaj yeem raug machined thiab muab tso ncaj qha rau ntawm cov xovxwm txhaj tshuaj, tag nrho bypassing kev kho cua sov distortion txaus ntshai.

Tshwj xeeb Pre-Hardened:NAK80 yognkaus xwbmuab ua ntej-hardened rau37-43 HRC. Nws yuav tsum tsis muaj kev kho cua sov ntxiv. Txawm hais tias qhov no kuj ua haujlwm hnyav, nws qhov tshwj xeeb qis -carbon matrix tso cai rau nws los ua machined nrog yooj yim xav tsis thoob uas siv siab - zoo carbide tooling.

Txhawm rau kom ntseeg tau tias koj pab neeg yuav khoom tuaj yeem hloov kho rau cov khoom siv hauv zos tsis txaus lossis txhim kho cov nqi thauj khoom, paub txog cov txheej txheem thoob ntiaj teb no -cov ntaub ntawv:

Qhia Qib International	Regional Standard / Hom	Cov khoom siv sib npaug ze tshaj plaws
S136 hlau	Hloov kho 420 Stainless	1.2083 / X40Cr14 / SUS420J2
NAK80 Steel	Dej nag Hardened	P21 Modified / 10Ni3MnCuAl
P20 Hlau	Standard Pre-Hardened	1.2311 / 3Cr2Mo

🔗 [Internal Link Hook]: Puas yog koj molding cov khoom lag luam yooj yim uas tsis xav tau daim iav siab polishing lossis corrosion tsis kam?

Tshawb xyuas peb cov txheej txheem hauv paus ntsiab lus rau tus nqi- cov kev xaiv zoo:

[Mold and Die Steel Sourcing Guide: Material Selection ->]

Precision txhaj tshuaj pwm (syringes, ntshav lim, IV Cheebtsam).
Optical khoom (lub koob yees duab lo ntsiab muag, automotive headlight reflectors).
Tooling processing chemically corrosive polymers like PVC los yog halogenated nplaim-retardants.

High-paub meej pob tshab npog rau cov neeg siv khoom siv hluav taws xob thiab cov khoom siv ntawm tes.
Complex automotive dashboard qauv featuring intricate tav qauv.
Moulds xav tau kev ntxhib los mos los yog tshuaj etched nto nplej.

Q: NAK80 steel puas tuaj yeem siv rau pwm txhaj tshuaj acidic PVC yas?

A: Nws tsis pom zoo rau kev khiav haujlwm ntev. NAK80 tsuas muaj nyob ib ncig ntawm 1.5% Chromium, uas muab kev tiv thaiv tsawg heev rau tshuaj corrosion. Kev muab cov qib siab -chromium stainless hlau zoo li S136 steel yog qhov yuav tsum tau ua kom tsis txhob muaj kab noj hniav los ntawm pitting nyob rau hauv acidic gas nres.

Q: Vim li cas S136 xav tau ntau yam - tempering raws tu qauv thaum kho cua sov?

A: Zoo li txhua yam khoom siv martensitic stainless hlau, S136 khaws ib qho tseem ceeb ntawm austenite tsis ruaj khov tom qab quenching. Ua qhov tsawg kawg ntawm ob lub voj voog sib cais ua kom qhov no khaws cia austenite hloov pauv tag nrho rau hauv ib qho nyuaj, ruaj khov martensite, tiv thaiv cov pwm los ntawm distorting dimensionally.

Q: NAK80 puas tuaj yeem ua nitrided los txhim kho nws qhov hnav tsis kam?

A: Yes. NAK80 responds exceptionally well to nitriding or ion-nitriding because it contains aluminum, which readily bonds with nitrogen to form a super-hard surface layer ($>60 HRC$). Qhov no tso cai rau cov tub ntxhais kom nyob twj ywm thaum lub ntsej muag tiv thaiv kev hnav los ntawm iav - cov yas puv.

Q: Cov ntaub ntawv tshawb xyuas tshwj xeeb dab tsi yuav tsum tau yuav khoom?

A: Rau cov blocks tuab dua 100mm, thov EN 10204 3.1 Daim Ntawv Pov Thawj Zeb Xeem uas qhia txog 100% Ultrasonic Testing (UT) ua raws (piv txwv li, SEP 1921 Class D/d) kom ntseeg tau tias qhov thaiv tsis pub muaj cov macro sab hauv -voids. Rau kev siv kho qhov muag, MTC yuav tsum hais meej meej "ESR Remelted."

Hauv kev lag luam precision txhaj molding, nkag siab qhov sib txawv ntawmNQA 80 thiabS136 hlauyog qhov kawg kev tuav pov hwm txoj cai. Kev ruaj ntseg cov blocks nyoos nrog ntawv pov thawj hauv kev huv thiab cov qauv isotropic yog tib txoj hauv kev los tiv thaiv koj cov cuab yeej peev.

Promisteelkoom tes nrog cov chaw tsim khoom thoob ntiaj teb los muab cov ntaub ntawv zoo sib xws, qhov loj me. Peb muab ESR-purified S136 tiaj tus tuav thiab zoo ib yam NAK80 forged blocks engineered tshwj xeeb los ua kom koj lub Hoobkas ntau lawm yield.

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