High Speed ​​Steels (HSS)

(High ceev steel (HSS)), feem ntau yog siv los ua cov khoom siv txiav (rau cov cuab yeej txiav) thiab yog cov cuab yeej siv high-alloy steel.HSS kuj tseem siv rau cov cuab yeej tsim khoom vim nws zoo heev rau kev sib tsoo (uas kuj tso cai rau regrinding ntawm cov cuab yeej blunt, piv txwv li).

Piv nrog rau cov hlau ua haujlwm txias, txiav ceev peb mus rau plaub zaug siab dua thiab yog li cov ntawv thov kub tuaj yeem ua tiav.Qhov no yog vim kev kho cua sov uas cov hlau yog annealed ntawm tshaj 1,200 ° C thiab ces txias.

HSS tau txais nws qhov nyuaj los ntawm nws cov qauv tsim, uas feem ntau yog hlau thiab carbon.Tsis tas li ntawd, alloying ntxiv ntawm ntau tshaj 5% yog muaj, ua HSS high-alloy steel.

Qhov zoo ntawm HSS feem ntau

· Daim ntawv thov kub tshaj 600 ° C

· Siab txiav ceev

· Lub zog siab (siab tawg lub zog)

· Zoo grindability thaum lub sij hawm tsim khoom

· Zoo regrindability ntawm cov cuab yeej blunt

· Tus nqi qis

Qhov siab dua cov ntsiab lus cobalt, qhov nyuaj ntawm cov cuab yeej hlau.Cov ntsiab lus cobalt nce qhov kub hardness tsis kam thiab koj tuaj yeem txiav cov ntaub ntawv uas nyuaj rau txiav.M35 muaj, 4.8 - 5% cobalt thiab M42, 7.8 - 8% cobalt.Nrog nce hardness, txawm li cas los, lub toughness txo.

Daim ntawv thov

Kev kub ceev steel, nrog nws ntau qib ntawm hardness thiab coatings, yog haum rau ntau yam kev siv.

Qhov kev kub ceev hlau twg koj xav tau rau koj daim ntawv thov nyob ntawm koj cov txheej txheem txiav, txawm tias koj tab tom drilling, threading lossis countersinking.

Cov ntsiab lus thiab cov ntsiab lus

Drills yog ua los ntawm alloyed high speed steel (HSS).Nrog rau cov cuab yeej hlau no, daim ntawv thov kub txog li 600 ° C tuaj yeem ncav cuag, uas tuaj yeem tshwm sim thaum txiav xws li hlau lossis hlau.

Raws li qhov hardness ntawm cov khoom nce, koj tuaj yeem siv cov hlau nrawm nrog cov ntsiab lus cobalt ntau dua (5% lossis ntau dua).Qhov siab npaum li cas cov ntsiab lus cobalt yuav tsum nyob ntawm koj daim ntawv thov.Piv txwv li, yog tias koj xav laum stainless hlau, koj feem ntau siv ib qho tsis muaj coated M35 twist xyaum.Qee zaum cov cuab yeej steel HSS nrog TiAlN txheej yog txaus.

Tam sim no koj tuaj yeem xaiv cov hlau zoo rau koj daim ntawv thov.

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