D707 Hardfacing Vuam Qws

D707 Hardfacing Vuam pas nrig yog ib qho kev siv vuam tshwj xeeb tsim rau cov ntawv thov raug mob hnyav. Nws muaj qhov tsawg - hydrogen sodium hom txheej, nrog tungsten carbide parsles embedded nyob rau hauv txheej. Thaum lub sij hawm vuam, cov alloying ntsiab hloov pauv los ntawm cov txheej nkag mus rau cov hlau tso nyiaj, ua rau cov txheej uas muaj lub siab tawv thiab zoo nkauj coj tsis kam.

Qhov hluav taws xob controrms rau edw - A-15 kev faib tawm hauv Suav GB / T 984 tus qauv. Cov ntsiab lus ntau ntawm cov ntsiab lus ntawm D707 surfacing txheej kom ua tiav qhov kev nyuaj ntawm HRC 65-68. Hais txog kev vuam txheej txheem, D707 Hardfacing Vuam qws yuav tsum tau siv ncaj qha electrode zoo (dc +) thiab raug nquahu kom ua haujlwm nrog cov dej ntws tsawg. Piv txwv li, ib qho 3.2 hli Inch inter feem ntau siv 70-120 amperes, thaum 4.0 hli inch chav electrode siv 140-180 amperes. Qhov kev xaiv ntsuas ntu no feem ntau yog vim muaj hluav taws xob tuab, uas ua lub tes tsho ntev ntev thaum vuam; Kev ua kom dhau los tam sim no yuav ua rau cov txheej txheej kom sov, redden, thiab tawg tawm hauv cov me me.

Muaj kev txom nyem rau lub siab hardness thiab tshwj xeeb hnav tsis kam ntawm nws txoj kev sib tw welding yog siv rau kev kho thiab txhawb kho cov kev hnav uas tau ua dhau los. Cov ntawv thov cov ntaub ntawv raug suav nrog qhov chaw nyob hauv cov khoom lag luam hauv tsev (ettion ettories), thiab cov txiv hmab txiv ntoo), thiab cov txiv hmab txiv ntoo), xis nyob hauv cov cav), thiab ntau yam cov khoom tawg hauv engineering machinery. Tsis tas li ntawd, kev tshawb fawb tau pom tias D707 Hardfacing vuam pas nrig tuaj yeem siv tau los tso siab high {} {- 4ph Los ntawm kev ua haujlwm nws nrog kev hloov cov txheej txheem hluav taws xob los tsim cov teeb meem bionic hardness ntawm cov teeb meem high-hardness thiab lub substrate los ntawm cov khoom sib txawv.

Txhawm rau kom muaj weld zoo thiab txo cov kev tawg nrawm, nruj ua ntej - Weld cov txheej txheem yuav tsum tau ua raws. Qhov no suav nrog ci ci rod ntawm 300℃rau 350℃rau tsawg kawg 1 teev. Ib qho ntxiv, tsim nyog preheating yog qhov tsim nyog nyob ntawm cov khoom siv hauv paus: Piv txwv li cov khoom siv hluav taws xob hlau yuav tsum muaj 400 degree, thiab stainless hlau hauv paus yuav tsum 600℃rau 650 degree. Post -} Weld annealing ntawm ib ncig 700℃kuj tseem pom zoo rau tsawg- alloy thiab stainless hlau detrates los daws kev ntxhov siab.

Muaj txoj kab uas hla (hli):3.2 / 4.0 / 5.0