Gɛlɛya sɛgɛsɛgɛli sariyaw suguya saba bɛ yen pit forow la, n’olu ye Vickers, Rockwell ani Surface Rockwell gɛlɛya nafaw ye. Ka kɛɲɛ ni funteni furakɛli fɛɛrɛ ye, sanfɛla sɔgɔli ni funteni furakɛli forow ni funteni furakɛli forow fana tɛ kelen ye.
Fɛnɲɛnɛmafagalanw ka funteni furakɛli baarakɛminɛnw ka fɛɛrɛbɔcogo kunbabaw ye layɛrɛ juguya gɛlɛyalen ye ani a sanfɛla gɛlɛya. Layɛrɛ jugumanba min ka gɛlɛn, o ka kan ka kɔrɔbɔ hali bi ni Vickers ka gɛlɛya sɛgɛsɛgɛlikɛla ye. Aw bɛ yɔrɔjan jateminɛ ka bɔ baarakɛminɛn sanfɛla la ka se yɔrɔ la, gɛlɛya bɛ jigin yɔrɔ min na ka se 50HRC ma. Nin ye gɛlɛya jugumanba ye min bɛ se ka kɛ.
Furakɛli kemikaliya ye ka don baarakɛminɛn in sanfɛla la ni kemikɛlifɛn kelen walima caman atomu ye, o la, baarakɛminɛn sanfɛla ka kemikaliya cogoya, a jɔcogo ani a jogo Changer. Ni a bɛ kirin ani ka funteni dɔgɔya, baarakɛminɛn sanfɛla gɛlɛya ka bon, a bɛ sɛgɛn ani sɛgɛn fanga, k’a sɔrɔ baarakɛminɛn in kɔnɔna na, gɛlɛya ka bon.
Pit foro ka funteni furakɛli min bɛ kɛ ka ɲɛ, o ka baarakɛyɔrɔ ka gɛlɛya sɛgɛsɛgɛli bɛ tali kɛ funteni furakɛli baarakɛminɛn ka gɛlɛya sɛgɛsɛgɛli la. U fila bɛɛ bɛ se ka kɔrɔbɔ ni Vickers ka gɛlɛya sɛgɛsɛgɛlikɛla ye, Surface Rockwell Hardness Tester walima Rockwell Hardness Tester. Nka, nitiriyali janya ka fin, a ka c’a la, a tɛ tɛmɛ 0,7mm kan, o la, Rockwell ka gɛlɛya sɛgɛsɛgɛlikɛla tɛ se ka kɛ tuguni.
Ni yɔrɔw ka gɛlɛya wajibiyalenw ka ca sigida la, sigida funteni furakɛli bɛ se ka kɛ ni funteni ye ani fɛɛrɛ wɛrɛw. A ka c’a la, o yɔrɔ suguw ka kan ka taamasiyɛn kɛ sigida funteni furakɛli yɔrɔ ni sigida gɛlɛya nafa kan jaw kan. A yɔrɔw gɛlɛya sɛgɛsɛgɛli ka kan ka kɛ yɔrɔ latigɛlen na. Gɛlɛya sɛgɛsɛgɛli minɛn bɛ se ka baara kɛ ni Rockwell gɛlɛya sɛgɛsɛgɛlikɛla ye walasa ka HRC gɛlɛya hakɛ kɔrɔbɔ. Ni funteni furakɛli gɛlɛyali layini ka dɔgɔn, surface rockwell hardness tester bɛ se ka kɛ ka HRN gɛlɛya hakɛ kɔrɔbɔ.
A ka c’a la, dingɛ foro ka funteni furakɛli ni funteni furakɛli bɛ kɛ ni funteni ye walima ni tasuma ye. Fɛɛrɛko paramɛtɛrɛw ye surface gɛlɛya ye, sigida gɛlɛya ani effective hardening layer depth. Gɛlɛya sɛgɛsɛgɛli bɛ se ka kɛ Vickers gɛlɛya sɛgɛsɛgɛlikɛla fɛ, Rockwell walima Surface Rockwell Hardness Tester fɛ. Kɔrɔbɔli fanga (scale) sugandili bɛ tali kɛ fɛnɲɛnamafagalanw juguyali nafama na ani baarakɛminɛn in sanfɛla gɛlɛya la. Gɛlɛya sɛgɛsɛgɛlikɛla suguya saba bɛ yen minnu bɛ o la.
Vickers ka gɛlɛya sɛgɛsɛgɛli ye fɛɛrɛ nafama ye min bɛ se ka kɛ ka funteni-furakɛli-minɛnw sanfɛla gɛlɛya kɔrɔbɔ. A bɛ se ka baara kɛ ni sɛgɛsɛgɛli fanga ye min bɛ se kilogaramu 0,5 fo 100 ma walasa ka a sanfɛla gɛlɛyalen sɛgɛsɛgɛli kɛ a ka fin i n’a fɔ milimɛtɛrɛ 0,05. A ka tiɲɛni ka bon kosɛbɛ wa a bɛ se ka danfara dɔɔnin don baarakɛminɛn in sanfɛla gɛlɛya la. Ka fara o kan, layɛrɛ gɛlɛya gɛlɛn nafama fana ka kan ka dɔn Vickers ka gɛlɛya sɛgɛsɛgɛlikɛla fɛ. O la, a ka kan ka Vickers gɛlɛya sɛgɛsɛgɛlikɛla dɔ labɛn unit minnu bɛ sanfɛla funteni furakɛli kɛ walima ka baara kɛ ni sanfɛ funteni furakɛli baarakɛminɛn caman ye.
Surface Rockwell Hardness Tester fana bɛnnen don kosɛbɛ sanfɛ-sɔgɔlan-minɛnw gɛlɛya kɔrɔbɔli ma. Surface Rockwell Hardness Tester bɛ ni balansi saba ye ka sugandi. A bɛ se ka baarakɛminɛn suguya caman sɛgɛsɛgɛ minnu ka gɛlɛn ni u ka gɛlɛya ye ka tɛmɛ milimɛtɛrɛ 0,1 kan. Hali ni surface rockwell hardness tester ka tiɲɛni tɛ bonya i n’a fɔ Vickers ka gɛlɛya sɛgɛsɛgɛlikɛla ta, a bɛ se ka wajibiyalenw dafa i n’a fɔ fɛɛrɛ min bɛ kɛ ni jogo ɲɛnabɔli ye ani ka se ka funteni furakɛli yɔrɔw sɛgɛsɛgɛ cogo bɛnnen na. Ka fara o kan, a ka baarakɛcogo nɔgɔman, a baara ka nɔgɔn, a sɔngɔ ka dɔgɔ, a sumani teliya la, ani a ka gɛlɛya hakɛw kalanni siratigɛ la. Surface Rockwell Hardness Tester bɛ se ka kɛ ka surface heat-treated workpieces (Sɔrɔda funteni furakɛli baarakɛminɛnw) kuluw sɛgɛsɛgɛ joona ani ka u tiɲɛ kelen kelen. O nafa ka bon kosɛbɛ nɛgɛ dilanni ni masinw dilanni iziniw na.
Ni dakun funteni furakɛli gɛlɛyali yɔrɔ ka bon, Rockwell gɛlɛya sɛgɛsɛgɛlikɛla fana bɛ se ka baara kɛ ni a ye. Ni gɛlɛya layɛrɛ janya ye 0,4-0,8mm ye, HRA sɛgɛsɛgɛli bɛ se ka kɛ, wa ni gɛlɛyalan janya tɛmɛna 0,8mm kan, HRC sɛgɛsɛgɛli bɛ se ka kɛ.
Vickers, Rockwell ani Surface Rockwell ka gɛlɛya saba nafa bɛ se ka wuli nɔgɔya la ka kɛ ɲɔgɔn ye ani ka fɛn caman sɛmɛntiya ka kɛ gɛlɛya nafaw ye minnu wajibiyalen don sariyaw, ja walima baarakɛlaw fɛ. O bεε bε bεn ni bεnkansεbεnw ye minnu bε bεn bεnkansεbεnw ma minnu bε bεn ISO ma, Ameriki sariya ASTM ani Sinuwaw ka GB/T.
