Yadda za a zabi Hardster Tester don gwada samfuran tubular

1) Shin za a iya amfani da wahalar gwajin gwaji don gwada wuya ga bangon bututun ƙarfe?

Abubuwan gwaji shine Sa-213m T229 Karfe Karfe tare da m diamita na 16mm da bango na 1.65mm. Sakamakon gwajin Roverwell na Tester sune kamar haka: Bayan an sanya gwajin oxide tare da grr-150s nuna dijital nuna doka da kuma dutsen ya sanya Digital, ta amfani da kayan digital.

Bayan gwajin, ana iya ganin bututun karfe a bango yana da ƙananan ƙazanta, kuma sakamakon shine: ƙarancin darajar da aka auna shi yana ƙoƙarin ba daidai ba.

A cewar GB / T 230.1-2018 «Hardness Direbt na ƙarfe ya yanke don kayan aiki na 1: Harshen Rockwell da mafi ƙarancin kauri shine 1.5mm. Kauri daga Samfurin No.1 shine 1.65mm, da kauri daga cikin samfurin bayan an cire mafi ƙarancin lokacin da aka ƙayyade a GB / t 230.1-2018.

A lokacin gwajin, saboda cibiyar samfurin ba ta tallafawa ba, zai iya haifar da dabara (wataƙila ganyayyaki ga tsirara ido) nakasassu, don haka ƙarfin dutsen ya auna darajar shine mara nauyi.

2) yadda za a zabi na samaRockwellHardness taneter don gwada bututun ƙarfe:

Kamfaninmu ya sha wahalar wahalar da bututun bututun ƙarfe ya kai ga ƙarshe:

Sonfial Study Horness Gwaji ko Gwajin Haske Gwaji a saman bututun ƙarfe mai bakin ciki. Rashin isasshen tallafin bangon zai haifar da ƙirar ƙira kuma yana haifar da sakamako mai ƙarancin gwaji;

Idan ya sanya tallafi na silili a tsakiyar bututun karfe na bakin ciki, saboda ba zai iya tabbatar da cewa, saman bututun ƙarfe da kuma a saman bututun ƙarfe da kuma a saman bututun ƙarfe da kuma za a iya haifar da sakamakon gwajin ba shi da kyau

Maida kishin Vickers yana gwada gwaji da wahala bayan picking karfe mai sutturar karfe smplings mett, zai sami daidaitaccen ƙwazo.

2. Bayan an cire oxide da kuma Layer Layer a farfajiya na bututun karfe da injinan da aka yiwa, darajar ita ce ingantacciyar hanyar da taurin kai tsaye tare da Harshen Roverwell mai ƙarfi tare da Harshen Roverwell Handing.