Pit furnace-a hardness testing standard chi thum a awm a, chungte chu Vickers, Rockwell leh Surface Rockwell hardness value te an ni. Heat treatment method atanga a lan dan chuan hardness test methods of surface quenching leh tempering heat treatment furnaces leh chemical heat treatment furnace te pawh a danglam hle.
Chemical heat treatment workpiece te technical parameter ber chu hardened layer depth leh surface hardness te an ni. Hardened layer depth chu Vickers hardness tester hmangin test tur a ni. Workpiece surface atanga hardness 50hrc thlenga a tlakna hmun thlenga hlat zawng chu test rawh. Hei hi a effective hardening depth chu a ni.
Chemical heat treatment chu workpiece chunglam chu chemical element pakhat emaw, a aia tam emaw atom hmanga infiltrate a, chu chuan workpiece surface-a chemical composition, structure leh property te a thlak danglam a ni. Quenching leh low-temperature tempering hnuah workpiece surface hian hardness sang tak a nei a, wear resistance leh contact fatigue strength a nei a, workpiece core erawh toughness sang tak a nei thung.
Pit furnace chemical heat treatment-a workpiece-a surface hardness test hi surface quenching heat treatment-a workpiece-a hardness test nen a inang a ni. An pahnih hian Vickers Hardness Tester, Surface Rockwell Hardness Tester emaw Rockwell Hardness Tester emaw hmangin an test thei a ni. Mahse, nitriding thickness thickness hi a thim zawk a, a tlangpuiin 0.7mm aia tam a ni lo a, chuvangin Rockwell Hardness Tester hi hman theih a ni tawh lo.
Parts-a local hardness mamawh a tam chuan local quenching heat treatment chu induction heating leh hmanraw dang hmangin tih theih a ni. Chutiang parts te chuan a tlangpuiin local quenching heat treatment awmna hmun leh local hardness value chu drawings-ah an mark a ngai thin. Parts te hardness test chu designated area ah tih tur a ni. Hardness testing instrument hian Rockwell Hardness Tester hmangin HRC hardness value a test thei a ni. Heat treatment hardening layer chu a thuk lo a nih chuan Surface Rockwell hardness tester hmangin HRN hardness value test theih a ni.
Pit furnace-a surface quenching leh tempering heat treatment hi induction heating emaw flame heating emaw hmangin an ti tlangpui thin. Technical parameter ber chu surface hardness, local hardness leh effective hardening layer depth te hi a ni. Hardness test hi Vickers Hardness Tester, Rockwell emaw Surface Rockwell Hardness Tester te chuan an ti thei a ni. Test force (scale) thlan dan hi effective hardening layer depth leh workpiece surface hardness nen a inzawm a ni. Hetah hian hardness testers chi thum an tel a.
The Vickers Hardness Tester hi heat surface hardness-treated workpieces test na atana hmanraw pawimawh tak a ni. A surface hardened layer chu 0.05 mm vel a ni tih test nan test force 0.5 atanga 100 vel a hmang thei a ni. A dikna sang ber a nei a, workpiece-a surface hardness-a danglamna tlemte pawh a thliar hrang thei bawk. Tin, effective hardened layer depth pawh Vickers hardness tester hian a hriat tel a ngai bawk. Chuvangin, Vickers Hardness Tester chu surface heat treatment titu unit-te tan equip a ngai a, emaw, surface heat-treated workpiece tam tak hmang emaw a ngai bawk.
Surface Rockwell Hardness Tester pawh hi surface quenched workpieces hardness test nan a tha hle bawk. Surface Rockwell Hardness Tester hian scale pathum thlan tur a nei a. Surface hardened workpiece hrang hrang a test thei a, hardening depth tha tak 0.1 mm aia tam a nei thei bawk. Surface Rockwell Hardness Tester dik tak chu Vickers Hardness Tester angin a sang lo nain, heat treatment plant-te quality management leh qualified inspection hmanrua atan a mamawh chu a phuhruk thei a ni. Chubakah, awlsam taka hman theihna, hman awlsam, man tlawm, tehna rang tak, leh hardness value direct-a chhiar dan te a nei bawk. Surface Rockwell Hardness Tester hmang hian rang tak leh non-a surface heat batch te chu destructive takin test theih a ni-treated workpiece te chu pakhat hnu pakhatin an test thei. Hei hi metal processing leh machinery siamna factory-te tan chuan a pawimawh hle.
Pit furnace a surface heat treatment hardening layer a thick chuan Rockwell hardness tester pawh hman theih a ni. Hardening layer thickness 0.4-0.8mm a nih chuan HRA scale hman theih a ni a, hardening layer thickness 0.8mm aia tam a nih chuan HRC scale hman theih a ni bawk.
Vickers, Rockwell leh Surface Rockwell te hardness value pathum te hi awlsam takin an inzawm thei a, hardness value ah an chantir thei a, chu chu standard, drawing emaw users ten an mamawh a ni. Conversion table inmil chu international standard ISO, American standard ASTM leh Chinese standard GB/T-ah te pek a ni.
