NUG
Kev xaiv cov khoom siv carbide yog qhov tseem ceeb tshwj xeeb.
2023-09-22

The choice of carbide tool material is particularly important.


Cov txheej txheem yooj yim ntawm cov bearings yog smelting-casting-annealing-rough machining-quenching, tempering-finishing. Lub hardness ntawm lub workpiece tom qab quenching thiab tempering yog feem ntau saum HRC45. Rau siab-hardness bearing steel qhov chaw, tsoos tej cuab yeej (carbide tej cuab yeej thiab tej hub tej cuab yeej) yuav tsis ua tau raws li qhov yuav tsum tau ua. Kev ua tau zoo ntawm cov cuab yeej cemented carbide yuav tsis tau piav qhia hauv qab no. Tam sim no, cov cuab yeej siv tsim nyog rau kev ua cov khoom siv high-hardness carbide steel xws li cov cuab yeej ceramic thiab cov cuab yeej cubic boron nitride. Cov cuab yeej ceramic tau paub zoo tias yog nkig thiab tsis tuaj yeem tig nrog cov npoo loj. Kev txiav txiav tsis raug tso cai. Yog tias qhov deformation ntawm workpiece tom qab kev kho cua sov me me, qhov saum npoo yog du, thiab cov npoo me me, nws tsim nyog xaiv cov cuab yeej ceramic.


Raws li qhov sib txawv workpieces, hardness, thiab nyiaj pub dawb, xaiv cov cuab yeej carbide uas tsim nyog thiab txiav tsis tau. Txoj kev npaj yog raws li nram no:



(1) Finely tig slewing bearing carbide raceway, kawg lub ntsej muag, hardness HRC47-55, nyiaj pub

Cov nyhuv ua haujlwm: Cov cuab yeej lub neej ntawm cov cemented carbide yog 7 npaug ntawm cov cuab yeej ceramic, thiab qhov kev ntxhib los mos yog tswj ntawm Ra0.6-1.0.



(2) Tiav lawm tig mus rau slew bearing carbide lub voj voog sab nrauv, lub ntsej muag kawg, hardness HRC47-55, channel hardness HRC55-62; luas ≥ 2mm

Cov nyhuv ua haujlwm: Cov cuab yeej Carbide muaj lub neej ntev thiab tuaj yeem hloov cov kev sib tsoo ntxhib, thiab qhov roughness ncav cuag Ra0.4.



(3) Finely tig metallurgical carbide lub voj voog sab hauv thiab lub qhov, hardness HRC62:

Cov nyhuv ua haujlwm: Piv nrog cov cuab yeej txiav txawv teb chaws, nws muaj lub neej ua haujlwm ntev dua thiab qhov roughness nyob rau hauv Ra0.8.

 


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