ʻO Rockwell Hard Kekuhiʻo Hra Hrb Hrc Hrd

Ua hanaʻia ka scale paʻakikī paʻakikī e Stanley Rockwell ma 1919 e nānā wikiwiki i ka paʻakikī o nā mea metala.

(1) hra

① Hōʻike i keʻano a me ke kumuwaiwai: ② Nā mea kūpono kūpono ③ Nā Kūlana Kūʻai maʻamau: ·ʻO ka paʻakikī paʻakikī o nā mea hanaʻokiʻoki. ·ʻO ka mana o ka hoʻopiliʻana i nā mea paʻakikī a me nā mea hana paʻa. ④ nā hiʻohiʻona a me nā holomua: · wikiwiki wikiwiki · Nā kiʻekiʻe kiʻekiʻe: Ma muli o ka hoʻohanaʻana i nā koina o nā daimana, ua kiʻekiʻe ka hualoaʻawa hōʻike a me ka pololei. · VERTITILIILOHE: hiki iāʻoe ke hōʻike i nā mea hana o nāʻano likeʻole a me nā'āpana, me nā papa liʻiliʻi a me nā lole. ⑤ Kuhiʻole a iʻole nā ​​palena: ·ʻO nā mea i hoʻopaʻaʻia Pono nā lako hana: pono nā mea hana ho'āʻo e nānāʻia a mālama pinepineʻia e hōʻoia i ka hōʻoiaʻana i ka pololei a me ka paʻa.

(2) hrb

① Hōʻike i keʻano a me ke kumuwaiwai: ② Nā Kūlana Kūlana Kūlana: ③ʻO nā hiʻohiʻona koho maʻamau: ·ʻO ka ho'āʻoʻana i nā metala non-ferous a me nā alloys. ·ʻO nā mea e ho'āʻo ana i nā hana hana a me nāʻoihana kaʻa. ④ nā hiʻohiʻona a me nā mea ponoʻole: · Kiʻi maʻalahi 0 nā hopena momona: Ma muli o ka hoʻohanaʻana o kahi pōpō pahu kila, he maikaʻi nā hopena hōʻike. ⑤ Kuhiʻole a iʻole nā ​​palena: ·ʻO ka palena palena paʻakikī · Nā Hana Hana: Pono nā mea hana hōʻike e calibrated a mālama pinepineʻia e hōʻoia i ka pololei a me ka hilinaʻi o ke ana.

(3) hrc

① Hōʻike i keʻano a me ke kumuwaiwai: ② Nā mea kūpono kūpono ③ Nā Kūlana Kūlana Kūlana: ·ʻO ka paʻakikī paʻakikī o ka kila paʻakikī. · Ka nānāʻana o nā mea kanu, nā kiʻi a me nā'āpana'ē aʻe kiʻekiʻe. ④ nā hiʻohiʻona a me nā mea pono: · FASTTENT STATION: Hiki i nā hopena hōʻike ke loaʻa i kahi manawa pōkole,ʻo ia ka mea kūpono no ka nānā wikiwikiʻana ma ka laina hana. ·ʻO ka noi ⑤ Kuhiʻole a iʻole nā ​​palena: Nā Kūlana Kūlana:ʻAʻole kūpono no nā mea palupalu loa, e like me ke kumu o ka daimana ma luna o nā hopena i hoʻopaʻaʻia ai i loko o ka hopena o nā kumuwaiwai. Hoʻohana pono nā lako hana: pono nā mea hana hōʻike i ka calibration maʻamau a me ka mālama ponoʻana e hōʻoia i ka pololei a me ka paʻa o ke ana.

(4) hrd

① Hōʻike a me Princess a me Principle: ② Nā mea kūpono kūpono ③ʻO nā hiʻohiʻona koho maʻamau: ·ʻO ka ho'āʻoʻana o ka medium a me nā mea paʻakikī kiʻekiʻe. · Kākoʻo a me ka papa hana a me ka mold ④ nā hiʻohiʻona a me nā holomua: · Nā Hana Kūʻai Nui ·ʻO ka noiʻana: Ua kūpono i ka ho'āʻoʻana i nāʻanoʻano likeʻole o nāʻano mea likeʻole,ʻo ia ma waena o ka HRC a me HRC. ⑤ Kuhiʻole a iʻole nā ​​palena: Nā palena palena: no nā mea paʻakikī a paʻakikī paha a iʻole nā ​​mea palupalu,ʻaʻole paha e koho i nā mea koho kūpono loa. Hoʻohana pono nā lako hana: Pono nā pono hoʻokolohua i ka calibration maʻamau a me ka mālama pono e hōʻoia i ka hōʻoiaʻana i ka pololei a me ka hilinaʻi.


Post Time: Nov-08-2024