1. HRA

* Uburyo bwo Kwipimisha n'Ihame:

-Ikizamini gikomeye cya HRA gikoresha indimu ya diyama, kanda hejuru yibintu munsi ya 60 kg. Agaciro gakomeye kugenwa no gupima ubujyakuzimu bwa indentation.

* Ubwoko bwibikoresho bikoreshwa:

-Bikwiriye cyane kubikoresho bikomeye, nka karbide ya sima, ibyuma bito, hamwe no gutwikira.

* Ibisanzwe Bikoreshwa:

-Gucunga ubuziranenge no kugerageza ibikoresho bya sima ya sima, harimoimyitozo ikomeye ya karbide.

-Gupima neza kwifata rikomeye no kuvura hejuru.

-Ibikorwa byo mu nganda birimo ibikoresho bikomeye.

* Ibiranga ibyiza:

-Bikwiranye nibikoresho bikomeye cyane: Igipimo cya HRA kirakwiriye cyane cyane gupima ubukana bwibikoresho bikomeye, bitanga ibisubizo nyabyo byikizamini.

-Icyerekezo Cyiza: Indente ya diamant itanga ibipimo nyabyo kandi bihamye.

-Ibisubirwamo Byinshi: Uburyo bwikizamini butanga ibisubizo bihamye kandi bisubirwamo.

* Ibitekerezo cyangwa aho bigarukira:

-Itegurwa ry'icyitegererezo: Ubuso bw'icyitegererezo bugomba kuba bworoshye kandi busukuye kugirango harebwe ibisubizo nyabyo.

-Ibikoresho byo gufata neza ibikoresho: Guhindura buri gihe no gufata neza ibikoresho byo gupima birakenewe kugirango tumenye neza kandi byizewe.

2. HRB

* Uburyo bwo Kwipimisha n'Ihame:

-Ikizamini gikomeye cya HRB gikoresha icyuma cya 1/16 cyumupira wumupira, kanda hejuru yibikoresho munsi yumutwaro wa kg 100. Agaciro gakomeye kugenwa no gupima ubujyakuzimu bwa indentation.

* Ubwoko bwibikoresho bikoreshwa:

-Bikwiriye cyane cyane ibyuma byoroshye, nka aluminium, umuringa, hamwe nicyuma cyoroshye.

* Ibisanzwe Bikoreshwa:

-Gucunga ubuziranenge no kugerageza gukomera kwibyuma bidafite fer nibicuruzwa byoroshye.

-Gupima neza ibicuruzwa bya plastiki.

-Igeragezwa ryibikoresho mubikorwa bitandukanye byo gukora.

* Ibiranga ibyiza:

-Bikwiranye nicyuma cyoroshye: Igipimo cya HRB kirakwiriye cyane cyane gupima ubukana bwibyuma byoroshye, bitanga ibisubizo nyabyo byikizamini.

-Umutwaro uciriritse: Koresha umutwaro uciriritse (100 kg) kugirango wirinde kwishira hejuru mubikoresho byoroshye.

-Ibisubirwamo Byinshi: Indent ball ball indenter itanga ibisubizo bihamye kandi bisubirwamo.

* Ibitekerezo cyangwa aho bigarukira:

-Itegurwa ry'icyitegererezo: Ubuso bw'icyitegererezo bugomba kuba bworoshye kandi busukuye kugirango harebwe ibisubizo nyabyo.

-Imipaka ntarengwa: Ntibikwiye kubikoresho bikomeye, nkaimyitozo ikomeye ya karbide, nk'icyuma cy'umupira w'icyuma gishobora kwangirika cyangwa gutanga ibisubizo bidahwitse.

-Ibikoresho byo gufata neza ibikoresho: Guhindura buri gihe no gufata neza ibikoresho byo gupima birakenewe kugirango tumenye neza kandi byizewe.

1. 3. HRC

* Uburyo bwo Kwipimisha n'Ihame:

-Ikizamini gikomeye cya HRC gikoresha indimu ya diyama, kanda hejuru yibintu munsi yumutwaro wa kg 150. Agaciro gakomeye kugenwa no gupima ubujyakuzimu bwa indentation.

* Ubwoko bwibikoresho bikoreshwa:

-Birakwiriye cyane cyane ibyuma bikomeye hamwe n'amavuta akomeye.

* Ibisanzwe Bikoreshwa:

-Kugenzura ubuziranenge no kugerageza gukomera ibyuma bikomeye, nkaimyitozo ikomeye ya karbideibyuma.

-Igeragezwa ryiza rya casting zikomeye no kwibagirwa.

-Ibikorwa byo mu nganda birimo ibikoresho bikomeye.

* Ibiranga ibyiza:

-Bikwiranye n'ibikoresho bikomeye: Igipimo cya HRC kirakwiriye cyane cyane gupima ubukana bw'ibyuma bikomeye hamwe n'amavuta, bitanga ibisubizo nyabyo by'ibizamini.

-Umutwaro muremure: Koresha umutwaro uremereye (kg 150), ubereye ibikoresho bikomeye.

-Ibisubirwamo Byinshi: Indenter ya diamant itanga ibisubizo bihamye kandi bisubirwamo.

* Ibitekerezo cyangwa aho bigarukira:

-Itegurwa ry'icyitegererezo: Ubuso bw'icyitegererezo bugomba kuba bworoshye kandi busukuye kugirango harebwe ibisubizo nyabyo.

-Imipaka ntarengwa: Ntibikwiye kubikoresho byoroshye cyane kuko umutwaro muremure ushobora gutera indentation ikabije.

-Ibikoresho byo gufata neza ibikoresho: Guhindura buri gihe no gufata neza ibikoresho byo gupima birakenewe kugirango tumenye neza kandi byizewe.

4.HRD

* Uburyo bwo Kwipimisha n'Ihame:

-Ikizamini gikomeye cya HRD gikoresha indimu ya diyama, kanda hejuru yibintu munsi yumutwaro wa kg 100. Agaciro gakomeye kugenwa no gupima ubujyakuzimu bwa indentation.

* Ubwoko bwibikoresho bikoreshwa:

-Byinshi bikwiranye nicyuma gikomeye hamwe nuruvange rukomeye.

* Ibisanzwe Bikoreshwa:

-Kugenzura ubuziranenge no kugerageza ibyuma bikomeye hamwe na alloys.

-Gupima neza ibikoresho nibice bya mashini.

-Ibikorwa byo mu nganda birimo ibikoresho bikomeye.

* Ibiranga ibyiza:

-Bikwiranye nibikoresho bikomeye: Igipimo cya HRD kirakwiriye cyane cyane gupima ubukana bw'ibyuma bikomeye hamwe na alloys, bitanga ibisubizo nyabyo by'ibizamini.

-Icyerekezo Cyiza: Indente ya diamant itanga ibipimo nyabyo kandi bihamye.

-Ibisubirwamo Byinshi: Uburyo bwikizamini butanga ibisubizo bihamye kandi bisubirwamo.

* Ibitekerezo cyangwa aho bigarukira:

-Itegurwa ry'icyitegererezo: Ubuso bw'icyitegererezo bugomba kuba bworoshye kandi busukuye kugirango harebwe ibisubizo nyabyo.

-Imipaka ntarengwa: Ntibikwiye kubikoresho byoroshye cyane kuko umutwaro muremure ushobora gutera indentation ikabije.

-Ibikoresho byo gufata neza ibikoresho: Guhindura buri gihe no gufata neza ibikoresho byo gupima birakenewe kugirango tumenye neza kandi byizewe.

5.HRH

* Uburyo bwo Kwipimisha n'Ihame:

-Ikizamini gikomeye cya HRH gikoresha icyuma cya 1/8 cy'umupira w'icyuma, kanda hejuru yibikoresho munsi ya 60 kg. Agaciro gakomeye kugenwa no gupima ubujyakuzimu bwa indentation.

* Ubwoko bwibikoresho bikoreshwa:

-Bikwiriye cyane kubikoresho byoroheje byoroheje, nka aluminium, umuringa, ibiyobora, hamwe nibyuma bimwe na bimwe bidafite ferrous.

* Ibisanzwe Bikoreshwa:

-Kugenzura ubuziranenge no gukomera kwicyuma cyoroshye na alloys.

-Gupima neza ibizamini bya aluminiyumu n'ibice bipfa.

-Igeragezwa ryibikoresho mu nganda zamashanyarazi na elegitoroniki.

* Ibiranga ibyiza:

-Bikwiranye nibikoresho byoroheje: Igipimo cya HRH kirakwiriye cyane cyane gupima ubukana bwibikoresho byoroshye, bitanga ibisubizo nyabyo byikizamini.

-Umutwaro wo hasi: Koresha umutwaro wo hasi (60 kg) kugirango wirinde gutwarwa cyane mubikoresho byoroshye.

-Ibisubirwamo Byinshi: Indent ball ball indenter itanga ibisubizo bihamye kandi bisubirwamo.

* Ibitekerezo cyangwa aho bigarukira:

-Itegurwa ry'icyitegererezo: Ubuso bw'icyitegererezo bugomba kuba bworoshye kandi busukuye kugirango harebwe ibisubizo nyabyo.

-Imipaka ntarengwa: Ntibikwiye kubikoresho bikomeye, nkaimyitozo ikomeye ya karbide, nk'icyuma cy'umupira w'icyuma gishobora kwangirika cyangwa gutanga ibisubizo bidahwitse.

-Ibikoresho byo gufata neza ibikoresho: Guhindura buri gihe no gufata neza ibikoresho byo gupima birakenewe kugirango tumenye neza kandi byizewe.

6.HRK

* Uburyo bwo Kwipimisha n'Ihame:

-Ikizamini gikomeye cya HRK gikoresha icyuma cya 1/8 cyumupira wumupira, kanda hejuru yibikoresho munsi yumutwaro wa kg 150. Agaciro gakomeye kugenwa no gupima ubujyakuzimu bwa indentation.

* Ubwoko bwibikoresho bikoreshwa:

-Birakwiriye cyane kubikoresho biciriritse bigoye cyane, nkibyuma bimwe na bimwe, ibyuma bikozwe mucyuma, hamwe nuruvange rukomeye.

* Ibisanzwe Bikoreshwa:

-Kugenzura ubuziranenge no kugerageza ibyuma hamwe nicyuma.

-Gupima neza ibikoresho nibice bya mashini.

-Ibikorwa byo mu nganda kubikoresho biciriritse kugeza hejuru.

* Ibiranga ibyiza:

-Ibisabwa Byinshi: Igipimo cya HRK gikwiranye nibikoresho byoroshye-bigoye cyane, bitanga ibisubizo nyabyo byikizamini.

-Umutwaro muremure: Koresha umutwaro uremereye (kg 150), ubereye ibikoresho bikomeye.

-Ibisubirwamo Byinshi: Indent ball ball indenter itanga ibisubizo bihamye kandi bisubirwamo.

* Ibitekerezo cyangwa aho bigarukira:

-Itegurwa ry'icyitegererezo: Ubuso bw'icyitegererezo bugomba kuba bworoshye kandi busukuye kugirango harebwe ibisubizo nyabyo.

-Imipaka ntarengwa: Ntibikwiye kubikoresho byoroshye cyane kuko umutwaro muremure ushobora gutera indentation ikabije.

-Ibikoresho byo gufata neza ibikoresho: Guhindura buri gihe no gufata neza ibikoresho byo gupima birakenewe kugirango tumenye neza kandi byizewe.

7.HRL

* Uburyo bwo Kwipimisha n'Ihame:

-Ikizamini gikomeye cya HRL gikoresha icyuma cya 1/4 cy'umupira w'icyuma, kanda hejuru yibikoresho munsi ya 60 kg. Agaciro gakomeye kugenwa no gupima ubujyakuzimu bwa indentation.

* Ubwoko bwibikoresho bikoreshwa:

-Bikwiriye cyane kubikoresho byoroheje byoroheje hamwe na plastiki zimwe na zimwe, nka aluminium, umuringa, amavuta yo kwisiga, hamwe nibikoresho bya pulasitike byo hasi.

* Ibisanzwe Bikoreshwa:

-Kugenzura ubuziranenge no gukomera kwicyuma cyoroshye na alloys.

-Gupima neza ibicuruzwa bya plastike nibice.

-Igeragezwa ryibikoresho mu nganda zamashanyarazi na elegitoroniki.

* Ibiranga ibyiza:

-Bikwiranye nibikoresho byoroshye: Igipimo cya HRL kirakwiriye cyane cyane gupima ubukana bwibyuma byoroheje nibikoresho bya pulasitike, bitanga ibisubizo nyabyo byikizamini.

-Umutwaro muto: Koresha umutwaro wo hasi (60 kg) kugirango wirinde kwishira hejuru mubikoresho byoroshye.

-Ibisubirwamo Byinshi: Indent ball ball indenter itanga ibisubizo bihamye kandi bisubirwamo.

* Ibitekerezo cyangwa aho bigarukira:

-Itegurwa ry'icyitegererezo: Ubuso bw'icyitegererezo bugomba kuba bworoshye kandi busukuye kugirango harebwe ibisubizo nyabyo.

-Imipaka ntarengwa: Ntibikwiye kubikoresho bikomeye, nkaimyitozo ikomeye ya karbide, nk'icyuma cy'umupira w'icyuma gishobora kwangirika cyangwa gutanga ibisubizo bidahwitse.

-Ibikoresho byo gufata neza ibikoresho: Guhindura buri gihe no gufata neza ibikoresho byo gupima birakenewe kugirango tumenye neza kandi byizewe.

8.HRM

* Uburyo bwo Kwipimisha n'Ihame:

-Ikizamini gikomeye cya HRM gikoresha icyuma cya 1/4 cyumupira wumupira, kanda hejuru yibikoresho munsi yumutwaro wa kg 100. Agaciro gakomeye kugenwa no gupima ubujyakuzimu bwa indentation.

* Ubwoko bwibikoresho bikoreshwa:

-Birakwiriye cyane cyane kubikoresho biciriritse biciriritse hamwe na plastiki zimwe na zimwe, nka aluminium, umuringa, amavuta avanze, hamwe nibikoresho bya pulasitiki bigoye.

* Ibisanzwe Bikoreshwa:

-Kugenzura ubuziranenge no gukomera kwumucyo kugeza hagati ibyuma bikomeye hamwe na alloys.

-Gupima neza ibicuruzwa bya plastike nibice.

-Igeragezwa ryibikoresho mu nganda zamashanyarazi na elegitoroniki.

* Ibiranga ibyiza:

-Bikwiranye n'ibikoresho biciriritse: Igipimo cya HRM kirakwiriye cyane cyane gupima ubukana bw'ibyuma biciriritse biciriritse n'ibikoresho bya pulasitike, bitanga ibisubizo nyabyo by'ibizamini.

-Umutwaro uciriritse: Koresha umutwaro uringaniye (100 kg) kugirango wirinde kwishongora bikabije mubikoresho bigoye.

-Ibisubirwamo Byinshi: Indent ball ball indenter itanga ibisubizo bihamye kandi bisubirwamo.

* Ibitekerezo cyangwa aho bigarukira:

-Itegurwa ry'icyitegererezo: Ubuso bw'icyitegererezo bugomba kuba bworoshye kandi busukuye kugirango harebwe ibisubizo nyabyo.

-Imipaka ntarengwa: Ntibikwiye kubikoresho bikomeye, nkaimyitozo ikomeye ya karbide, nk'icyuma cy'umupira w'icyuma gishobora kwangirika cyangwa gutanga ibisubizo bidahwitse.

-Ibikoresho byo gufata neza ibikoresho: Guhindura buri gihe no gufata neza ibikoresho byo gupima birakenewe kugirango tumenye neza kandi byizewe.

9.HRR

* Uburyo bwo Kwipimisha n'Ihame:

-Ikizamini gikomeye cya HRR gikoresha icyuma cya 1/2 cyumupira wumupira, kanda hejuru yibikoresho munsi ya 60 kg. Agaciro gakomeye kugenwa no gupima ubujyakuzimu bwa indentation.

* Ubwoko bwibikoresho bikoreshwa:

-Birakwiriye cyane kubikoresho byuma byoroheje hamwe na plastiki zimwe na zimwe, nka aluminium, umuringa, amavuta yo kwisiga, hamwe nibikoresho bya plastike byo hasi.

* Ibisanzwe Bikoreshwa:

-Kugenzura ubuziranenge no gukomera kwicyuma cyoroshye na alloys.

-Gupima neza ibicuruzwa bya plastike nibice.

-Igeragezwa ryibikoresho mu nganda zamashanyarazi na elegitoroniki.

* Ibiranga ibyiza:

-Bikwiranye nibikoresho byoroshye: Igipimo cya HRR kirakwiriye cyane cyane gupima ubukana bwibyuma byoroheje nibikoresho bya pulasitike, bitanga ibisubizo nyabyo byikizamini.

-Umutwaro wo hasi: Koresha umutwaro wo hasi (60 kg) kugirango wirinde gutwarwa cyane mubikoresho byoroshye.

-Ibisubirwamo Byinshi: Indent ball ball indenter itanga ibisubizo bihamye kandi bisubirwamo.

* Ibitekerezo cyangwa aho bigarukira:

-Itegurwa ry'icyitegererezo: Ubuso bw'icyitegererezo bugomba kuba bworoshye kandi busukuye kugirango harebwe ibisubizo nyabyo.

-Imipaka ntarengwa: Ntibikwiye kubikoresho bikomeye, nkaimyitozo ikomeye ya karbide, nk'icyuma cy'umupira w'icyuma gishobora kwangirika cyangwa gutanga ibisubizo bidahwitse.

-Ibikoresho byo gufata neza ibikoresho: Guhindura buri gihe no gufata neza ibikoresho byo gupima birakenewe kugirango tumenye neza kandi byizewe.

10.HRG

* Uburyo bwo Kwipimisha n'Ihame:

-Ikizamini gikomeye cya HRG gikoresha icyuma cya 1/2 cy'umupira w'icyuma, kanda hejuru yibikoresho munsi ya kg 150. Agaciro gakomeye kugenwa no gupima ubujyakuzimu bwa indentation.

* Ubwoko bwibikoresho bikoreshwa:

-Birakwiriye cyane kubikoresho byicyuma gikomeye, nkibyuma bimwe na bimwe, ibyuma bikozwe, hamwe nuruvange rukomeye.

* Ibisanzwe Bikoreshwa:

-Kugenzura ubuziranenge no kugerageza ibyuma hamwe nicyuma.

-Gupima neza ibikoresho nibikoresho bya mashini, harimoimyitozo ikomeye ya karbide.

-Ibisabwa mu nganda kubikoresho bikomeye.

* Ibiranga ibyiza:

-Ibisabwa Byinshi: Igipimo cya HRG gikwiranye nibikoresho bikomeye, bitanga ibisubizo byukuri.

-Umutwaro muremure: Koresha umutwaro uremereye (kg 150), ubereye ibikoresho bikomeye.

-Ibisubirwamo Byinshi: Indent ball ball indenter itanga ibisubizo bihamye kandi bisubirwamo.

* Ibitekerezo cyangwa aho bigarukira:

-Itegurwa ry'icyitegererezo: Ubuso bw'icyitegererezo bugomba kuba bworoshye kandi busukuye kugirango harebwe ibisubizo nyabyo.

-Imipaka ntarengwa: Ntibikwiye kubikoresho byoroshye cyane kuko umutwaro muremure ushobora gutera indentation ikabije.

-Ibikoresho byo gufata neza ibikoresho: Guhindura buri gihe no gufata neza ibikoresho byo gupima birakenewe kugirango tumenye neza kandi byizewe.

Umwanzuro

Umunzani ukomeye wa Rockwell ukubiyemo uburyo butandukanye bwo kugerageza ubukana bwibikoresho bitandukanye, kuva byoroshye cyane kugeza bikomeye. Buri gipimo gikoresha indente zitandukanye n'imizigo yo gupima ubujyakuzimu bwa indentation, bitanga ibisubizo nyabyo kandi bisubirwamo bikwiranye no kugenzura ubuziranenge, gukora, no gupima ibikoresho mu nganda zitandukanye. Kubungabunga ibikoresho bisanzwe no gutegura icyitegererezo ni ngombwa kugirango hamenyekane ibipimo byizewe. Kurugero,imyitozo ikomeye ya karbide, mubisanzwe birakomeye cyane, birageragezwa neza ukoresheje umunzani wa HRA cyangwa HRC kugirango hamenyekane ibipimo bikomeye kandi bihamye.

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