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Iyatọ laarin irin-giga ati irin tungsten jẹ kedere!

Wa lati ni oye ga iyara irin

Irin-giga-giga (HSS) jẹ irin ọpa pẹlu líle giga, resistance wiwọ giga ati resistance ooru giga, ti a tun mọ ni irin afẹfẹ tabi irin iwaju, eyiti o tumọ si pe o le ni lile paapaa nigbati o tutu ni afẹfẹ lakoko pipa, ati o jẹ gidigidi. O tun npe ni irin funfun.

Xinfa CNC irinṣẹ ni awọn abuda kan ti o dara didara ati kekere owo. Fun awọn alaye, jọwọ ṣabẹwo: https://www.xinfatools.com/hss-tap/

Irin ti o ga julọ jẹ irin alloy pẹlu akopọ ti o nipọn, ti o ni awọn eroja ti o ṣẹda carbide gẹgẹbi tungsten, molybdenum, chromium, vanadium, ati koluboti. Lapapọ iye awọn eroja alloying jẹ nipa 10-25%. O tun le ṣetọju lile lile labẹ ipo ti ooru giga ti ipilẹṣẹ nipasẹ gige iyara giga (nipa 500 ℃), ati pe HRC rẹ le wa ni oke 60. Eyi jẹ ẹya ti o ṣe pataki julọ ti irin iyara to gaju - lile lile pupa. Lẹhin piparẹ ati iwọn otutu kekere, irin ọpa erogba ni líle giga ni iwọn otutu yara, ṣugbọn nigbati iwọn otutu ba ga ju 200 ° C, líle naa ṣubu ni kiakia, ati lile ti lọ silẹ si ipele ti o jọra si ti ipo annealed ni 500°C. , Patapata padanu agbara lati ge irin, eyiti o fi opin si lilo ohun elo erogba irin fun gige awọn irinṣẹ. Irin ti o ga-giga ṣe soke fun awọn ailagbara apaniyan ti irin ọpa erogba nitori lile lile pupa ti o dara.
iroyin
Irin iyara to gaju ni a lo ni akọkọ lati ṣe iṣelọpọ awọn abẹfẹlẹ tinrin eka ati awọn irinṣẹ gige irin ti o ni ipa, bakanna bi awọn iwọn otutu ti o ga ati extrusion tutu, gẹgẹ bi awọn irinṣẹ titan, awọn gige lu, awọn hobs, awọn abẹfẹlẹ ẹrọ, ati awọn mimu eletan.

▌ Jẹ ki a kọ ẹkọ nipa irin tungsten

Tungsten irin (tungsten carbide) ni lẹsẹsẹ awọn ohun-ini ti o dara julọ gẹgẹbi lile lile, wiwọ resistance, agbara to dara ati lile, ooru resistance ati ipata resistance, paapaa lile lile ati wọ resistance, paapaa ni iwọn otutu ti 500 ° C. ni ipilẹ ko yipada, ati pe o tun ni líle giga ni 1000 °C.

Tungsten irin, awọn eroja akọkọ jẹ tungsten carbide ati koluboti, eyiti o jẹ 99% ti gbogbo awọn paati, ati 1% jẹ awọn irin miiran, nitorinaa a pe ni irin tungsten, ti a tun mọ ni carbide cemented, ati pe o jẹ ehin ti ode oni. ile ise.

Irin Tungsten jẹ ohun elo idapọmọra sintered ti o kere ju carbide irin kan. Tungsten carbide, cobalt carbide, niobium carbide, titanium carbide, ati tantalum carbide jẹ awọn paati ti o wọpọ ti irin tungsten. Iwọn ọkà ti paati carbide (tabi alakoso) nigbagbogbo wa laarin awọn microns 0.2-10, ati pe awọn irugbin carbide wa ni papọ pẹlu lilo ohun elo irin. Awọn irin binder jẹ awọn irin ẹgbẹ irin ni gbogbogbo, ti a lo nigbagbogbo jẹ koluboti ati nickel. Nitorina, awọn ohun elo tungsten-cobalt, tungsten-nickel alloys ati tungsten-titanium-cobalt alloys wa.

Ṣiṣan ti irin tungsten ni lati tẹ lulú sinu billet kan, lẹhinna gbona rẹ sinu ileru ti o npa si iwọn otutu kan (iwọn otutu), tọju rẹ fun akoko kan (akoko idaduro), ati lẹhinna dara si isalẹ lati gba. ohun elo irin tungsten pẹlu awọn ohun-ini ti a beere.

① Tungsten-cobalt simenti carbide

Awọn paati akọkọ jẹ tungsten carbide (WC) ati cobalt binder (Co). Iwọn rẹ jẹ “YG” (awọn ibẹrẹ ti pinyin Kannada ti “lile, kobalt”) ati ipin ogorun akoonu koluboti apapọ. Fun apẹẹrẹ, YG8 tumọ si pe apapọ WCo = 8%, ati iyokù jẹ tungsten-cobalt cemented carbide ti tungsten carbide.

② Tungsten-titanium-cobalt simenti carbide

Awọn paati akọkọ jẹ tungsten carbide, titanium carbide (TiC) ati koluboti. Iwọn rẹ jẹ “YT” (awọn ibẹrẹ ti pinyin Kannada ti “lile, titanium”) ati akoonu apapọ ti carbide titanium. Fun apẹẹrẹ, YT15 tumọ si pe apapọ TiC = 15%, ati pe iyoku jẹ tungsten carbide ati tungsten-titanium-cobalt ti o da lori cobalt carbide.

③Tungsten-titanium-tantalum (niobium) ti o da lori carbide simenti

Awọn paati akọkọ jẹ tungsten carbide, titanium carbide, tantalum carbide (tabi niobium carbide) ati koluboti. Iru carbide cemented yii ni a tun pe ni carbide cemented gbogbogbo tabi carbide cemented agbaye. Iwọn rẹ jẹ ti “YW” (awọn ibẹrẹ ti pinyin Kannada ti “lile” ati “wan”) pẹlu nọmba ọkọọkan kan, bii YW1.

Irin Tungsten ni lẹsẹsẹ ti awọn ohun-ini ti o dara julọ gẹgẹbi lile lile, resistance resistance, agbara to dara ati lile, resistance ooru ati ipata ipata, ni pataki líle giga rẹ ati resistance resistance, eyiti o jẹ ipilẹ ko yipada paapaa ni iwọn otutu ti 500 °C. O tun ni lile giga ni 1000 ° C. Simenti carbide ti wa ni o gbajumo ni lilo bi awọn ohun elo, gẹgẹ bi awọn titan irinṣẹ, milling cutters, drills, alaidun irinṣẹ, bbl Iyara gige ti awọn titun cemented carbide ni ogogorun ti igba ti erogba, irin.


Akoko ifiweranṣẹ: Oṣu Kẹjọ-09-2023