Koj puas tuaj yeem muab qhov hardness nkhaus ntawm H13 tom qab tempering?
Tso lus
Lub hardness ntawm H13 yog ruaj khov ntawm 48-52 HRC nyob rau hauv lub tempering kub ntawm 550-600 degree, raws li lub hardness nkhaus tom qab tempering. Ob txoj haujlwm tempering tuaj yeem tsim qhov zoo tshaj plaws microstructure thiab cov yam ntxwv.
1. Cov txheej txheem Tempering thiab kev sib raug zoo nrog Hardness
Siv tau Scenario rau Tempering Kub ( degree) Hardness Range (HRC) Microstructure
550 50~52 Dispersed carbides thiab tempered martensite Brittleness tswj thiab siab hnav tsis kam yog qhov tseem ceeb.
580 (Tshaj Tawm) 49-51 Fine carbides ua ke nrog cov txheej txheem tempered martensite Mainstream, kev ua tau zoo tag nrho
600 48–50 Txhim kho hardness thiab softening me ntsis softening yog tso cai nyob rau hauv muaj tej yam kev mob siab.
Cov ntaub ntawv tseeb: H13 kub khiav nozzle muaj kev pab cuam lub neej ntawm ntau tshaj 500,000 cycles thiab ntsuas hardness ntawm 49.8 HRC tom qab tempering ntawm 580℃rau ob teev rau ob lub voj voog.
2. Tempering Sijhawm cuam tshuam rau Hardness
Single tempering: Unstable microstructure, perhaps high hardness (>52 HRC), tso tawm tsis txaus ntawm cov kev ntxhov siab seem;
Ob lub voj voog ntawm tempering: ua tiav tso tawm ntawm qhov nro, hardness poob rau 48-52 HRC, ntau yam tsawg dua lossis sib npaug li 2 HRC, kev ua haujlwm ruaj khov;
Peb lossis ntau dua tempering cycles: Tsis muaj txiaj ntsig pom tau, tab sis qhov kev pheej hmoo ntawm cov nplej coarsening thiab kev siv hluav taws xob tau nce ntxiv.
Lus Cim Tseem Ceeb: Txhawm rau tiv thaiv kev kub ntxhov uas tuaj yeem ua rau tawg, lub qhov cub yuav tsum yog huab cua- txias rau chav sov ua ntej lub voj voog thib ob.
3. Cov txheej txheem tswj cov ntsiab lus kom lav qhov rov ua tau zoo ntawm Curves
Precise Temperature: Kom lav lub qhov cub kub qhov sib txawv ntawm Tsawg dua los yog sib npaug li ± 5 degree, siv PID qhov kub thiab txias -tswj lub cub taws teeb rau 580℃± 5℃nrog ntau qhov ntsuas kub;
Lub sij hawm txaus: Rau cov khoom tuab, ntxiv 30 feeb rau txhua 25 hli tuab; txhua lub sijhawm tuav yuav tsum yog tsawg kawg yog ob teev;
Txheej Txheem Archiving: Rau kev tswj xyuas kev taug qab, khaws tag nrho lub cub tawg kub thiab ntsuas cov ntaub ntawv rau txhua qhov cub tawg.
"Qhov kub thiab txias, muaj pes tsawg lub voj voog, thiab cov ntaub ntawv khaws cia" yog cov lus qhia txog kev nyab xeeb uas tau lees paub qhov sib txawv hardness nkhaus rau txhua pawg.
