Handpush Pencil Hardness Gauge ya dace da gwajin taurin zane-zane na nau'ikan kayayyaki. Na'urar ta yi amfani da appliance farfajiyar a kan wani tauri mafi girma abu, nuna juriya, wato, auna iyawar fenti film juriya karkatarwa, wakiltar da takardar tauri na fensil


Handpush Pencil Hardness Gauge fasaha sigogi:
Matsayin kusurwa: 45 digiri
Ƙididdigar mataki: 13 mataki (6B-6H) Standard kasar Sin alamar tauri gwaji da fensil (6B, 5B, 4B, 3B, 2B, B, HB, H, 2H, 3H, 4H, 5H, 6H).
Nauyi: game da 10kg
Nauyi: 500G / 265G / 235G (Weight uku)


Shirin gwaji:
1. Pencil ya kamata planer da kyau, da graphite ya tashi kimanin 5mm za a iya amfani da musamman fensil planer da aka haɗa da musamman kewayon a cikin samar kewayon don cimma wannan buƙatun. Riƙe fensil a tsaye, da graphite a ƙasa a kan sandpaper (granular fineness 400) da graphite core grind daidai da kuma m gefen.
2. Shigar da fensil a cikin kayan aiki, da fensil ya tashi 5mm, sa'an nan kuma sa kayan aiki a kan samfurin farfajiyar. Kama hannu tare da yatsan m da yatsan nuna, da kuma slide a kan samfurin a kusan 10cm / s.
3. Zaɓi fansel da dace tauri dogara da gwaji. Yana da shawarar fara da wani matsakaici mai laushi fensil ko matsakaici tauri fensil, kuma a hankali gano mafi dacewa da fensil.
4. A lokacin gwajin, ka yi hankali kada ka rikice-rikice kalmomin fensil da alamun penetration. Idan ya zama dole, za a iya goge ƙarin waya ta amfani da sponge mai ruwa ko rubber mai laushi.
Lambobin nau'ikan fensil biyu suna da alama da taurin fensil. Taurin fensil misali 2H-3H yana nufin 2H fensil zai iya barin alamun kalma a kan farfajiyar, yayin da 3H fensil ya iya karya zane-zane kaɗan, da taurin zane-zane na 2H.