1. HRA

* Mokhoa oa ho etsa liteko le Molao-motheo:

-Teko ea boima ba HRA e sebelisa indenter ea khoune ea daemane, e hatelletsoeng holim'a lintho tse bonahalang tlas'a boima ba 60 kg. Boleng ba boima bo khethoa ka ho lekanya botebo ba ho indentation.

* Mefuta e sebetsang ea lisebelisoa:

- Haholo-holo e loketse lisebelisoa tse thata haholo, tse kang li-carbides tse entsoeng ka samente, tšepe e tšesaane le liaparo tse thata.

*Maemo a Tloaelehileng a Kopo:

-Taolo ea boleng le tlhahlobo ea boima ba lisebelisoa tsa carbide tse samente, ho kenyeletsoaliboro tse tiileng tsa carbide.

-Teko ea boima ba ho roala ka thata le ho phekola ka holim'a metsi.

- Lisebelisoa tsa indasteri tse kenyelletsang lisebelisoa tse thata haholo.

* Likarolo le Melemo:

-E Loketse Lintho Tse Thata Haholo: Sekala sa HRA se loketse ka ho khetheha bakeng sa ho lekanya ho thatafala ha thepa e thata haholo, ho fana ka liphetho tse nepahetseng tsa liteko.

-Ho nepahala ho phahameng: Indenter ea khoune ea daemane e fana ka litekanyo tse nepahetseng le tse sa fetoheng.

-Ho Pheta-pheta-pheta: Mokhoa oa teko o netefatsa liphetho tse tsitsitseng le tse phetoang.

* Maikutlo kapa Meeli:

- Tokiso ea Mohlala: Sebaka sa mohlala se tlameha ho ba se boreleli le se hloekileng ho netefatsa liphetho tse nepahetseng.

-Tlhokomelo ea Lisebelisoa: Ho lekoa khafetsa le ho lokisoa ha lisebelisoa tsa tlhahlobo hoa hlokahala ho netefatsa ho nepahala le ho ts'epahala.

2. HRB

* Mokhoa oa ho etsa liteko le Molao-motheo:

-Teko ea boima ba HRB e sebelisa indenter ea tšepe ea 1/16 inch, e hatelletsoeng holim'a thepa tlas'a mojaro oa 100 kg. Boleng ba boima bo khethoa ka ho lekanya botebo ba ho indentation.

* Mefuta e sebetsang ea lisebelisoa:

- E loketse haholo litšepe tse bonolo, joalo ka aluminium, koporo le litšepe tse bonolo.

*Maemo a Tloaelehileng a Kopo:

-Taolo ea boleng le tlhahlobo ea boima ba litšepe tse se nang ferrous le lihlahisoa tsa tšepe tse bonolo.

-Teko ea boima ba lihlahisoa tsa polasetiki.

- Teko ea lisebelisoa lits'ebetsong tse fapaneng tsa tlhahiso.

* Likarolo le Melemo:

-E Loketse Litšepe Tse Bonolo: Sekala sa HRB se loketse ka ho khetheha ho lekanya ho thatafala ha litšepe tse bonolo, ho fana ka liphetho tse nepahetseng tsa liteko.

-Mojaro o Itekanetseng: E ​​sebelisa mojaro o itekanetseng (100 kg) ho qoba ho kenella ka ho feteletseng linthong tse bonolo.

-Ho Pheta-pheta ho Phahameng: Indenter ea bolo ea tšepe e fana ka liphetho tse tsitsitseng le tse pheta-phetoang.

* Maikutlo kapa Meeli:

- Tokiso ea Mohlala: Sebaka sa mohlala se tlameha ho ba se boreleli le se hloekileng ho netefatsa liphetho tse nepahetseng.

-Moeli oa Material: Ha e loketse lisebelisoa tse thata haholo, joalo kaliboro tse tiileng tsa carbide, kaha indenter ea bolo ea tšepe e ka senyeha kapa ea hlahisa liphello tse sa nepahalang.

-Tlhokomelo ea Lisebelisoa: Ho lekoa khafetsa le ho lokisoa ha lisebelisoa tsa tlhahlobo hoa hlokahala ho netefatsa ho nepahala le ho ts'epahala.

1. 3. HRC

* Mokhoa oa ho etsa liteko le Molao-motheo:

-Teko ea boima ba HRC e sebelisa sekontiri sa daemane, se hatelloa ka holim'a thepa tlas'a boima ba lik'hilograma tse 150. Boleng ba boima bo khethoa ka ho lekanya botebo ba ho indentation.

* Mefuta e sebetsang ea lisebelisoa:

-Haholo e loketse litšepe tse thata le li-alloys tse thata.

*Maemo a Tloaelehileng a Kopo:

-Taolo ea boleng le tlhahlobo ea boima ba litšepe tse thata, joalo kaliboro tse tiileng tsa carbidele litšepe tsa lisebelisoa.

- Teko ea boima ba li-castings tse thata le tse forging.

- Lisebelisoa tsa indasteri tse kenyelletsang lisebelisoa tse thata.

* Likarolo le Melemo:

-E loketse Lisebelisoa tse Thata: Sekala sa HRC se loketse ka ho khetheha bakeng sa ho lekanya ho thatafala ha litšepe tse thata le li-alloys, ho fana ka liphello tse nepahetseng tsa liteko.

-Moroalo o Phahameng: E ​​sebelisa mojaro o phahameng (150 kg), o loketseng lisebelisoa tse thata tse phahameng.

-Ho Pheta-pheta-pheta: The daemane cone indenter e fana ka sephetho se tsitsitseng le se phetoang sa liteko.

* Maikutlo kapa Meeli:

- Tokiso ea Mohlala: Sebaka sa mohlala se tlameha ho ba se boreleli le se hloekileng ho netefatsa liphetho tse nepahetseng.

-Moeli oa Material: Ha e loketse lisebelisoa tse bonolo haholo kaha mojaro o phahameng o ka baka ho indentation ho feteletseng.

-Tlhokomelo ea Lisebelisoa: Ho lekoa khafetsa le ho lokisoa ha lisebelisoa tsa tlhahlobo hoa hlokahala ho netefatsa ho nepahala le ho ts'epahala.

4.HRD

* Mokhoa oa ho etsa liteko le Molao-motheo:

-Teko ea boima ba HRD e sebelisa indenter ea khoune ea daemane, e hatelletsoeng holim'a lintho tse bonahalang tlas'a boima ba lik'hilograma tse 100. Boleng ba boima bo khethoa ka ho lekanya botebo ba ho indentation.

* Mefuta e sebetsang ea lisebelisoa:

- Haholo-holo e loketse litšepe tse thata le li-alloys tse thata.

*Maemo a Tloaelehileng a Kopo:

-Taolo ea boleng le tlhahlobo ea boima ba litšepe tse thata le li-alloys.

- Teko ea boima ba lisebelisoa le likarolo tsa mochini.

- Lisebelisoa tsa indasteri tse kenyelletsang lisebelisoa tse thata.

* Likarolo le Melemo:

-E loketse Lisebelisoa tse Thata: Sekala sa HRD se loketse ka ho khetheha ho lekanya ho thatafala ha litšepe tse thata le li-alloys, ho fana ka liphetho tse nepahetseng tsa liteko.

-Ho nepahala ho phahameng: Indenter ea khoune ea daemane e fana ka litekanyo tse nepahetseng le tse sa fetoheng.

-Ho Pheta-pheta-pheta: Mokhoa oa teko o netefatsa liphetho tse tsitsitseng le tse phetoang.

* Maikutlo kapa Meeli:

- Tokiso ea Mohlala: Sebaka sa mohlala se tlameha ho ba se boreleli le se hloekileng ho netefatsa liphetho tse nepahetseng.

-Moeli oa Material: Ha e loketse lisebelisoa tse bonolo haholo kaha mojaro o phahameng o ka baka ho indentation ho feteletseng.

-Tlhokomelo ea Lisebelisoa: Ho lekoa khafetsa le ho lokisoa ha lisebelisoa tsa tlhahlobo hoa hlokahala ho netefatsa ho nepahala le ho ts'epahala.

5.HRH

* Mokhoa oa ho etsa liteko le Molao-motheo:

-The HRH hardness test e sebelisa 1/8 inch steel ball indenter, e hatelletsoeng holim'a thepa tlas'a mojaro oa 60 kg. Boleng ba boima bo khethoa ka ho lekanya botebo ba ho indentation.

* Mefuta e sebetsang ea lisebelisoa:

- Haholo-holo e loketse lisebelisoa tsa tšepe tse bonolo, tse kang aluminium, koporo, li-alloys tsa lead, le litšepe tse itseng tse se nang ferrous.

*Maemo a Tloaelehileng a Kopo:

-Taolo ea boleng le tlhahlobo ea boima ba litšepe tse bobebe le li-alloys.

- Teko ea boima ba aluminium le likarolo tsa die-cast.

- Teko ea lisebelisoa indastering ea motlakase le ea elektroniki.

* Likarolo le Melemo:

-E loketse Lisebelisoa tse Bonolo: Sekala sa HRH se loketse ka ho khetheha ho lekanya ho thatafala ha lisebelisoa tsa tšepe tse bonolo, ho fana ka liphetho tse nepahetseng tsa liteko.

-Moroalo o ka tlase: E sebelisa moroalo o tlase (60 kg) ho qoba ho kenella ka bongata linthong tse bonolo.

-Ho Pheta-pheta ho Phahameng: Indenter ea bolo ea tšepe e fana ka liphetho tse tsitsitseng le tse pheta-phetoang.

* Maikutlo kapa Meeli:

- Tokiso ea Mohlala: Sebaka sa mohlala se tlameha ho ba se boreleli le se hloekileng ho netefatsa liphetho tse nepahetseng.

-Moeli oa Material: Ha e loketse lisebelisoa tse thata haholo, joalo kaliboro tse tiileng tsa carbide, kaha indenter ea bolo ea tšepe e ka senyeha kapa ea hlahisa liphello tse sa nepahalang.

-Tlhokomelo ea Lisebelisoa: Ho lekoa khafetsa le ho lokisoa ha lisebelisoa tsa tlhahlobo hoa hlokahala ho netefatsa ho nepahala le ho ts'epahala.

6.HRK

* Mokhoa oa ho etsa liteko le Molao-motheo:

-Teko ea boima ba HRK e sebelisa 1/8 inch steel ball indenter, e hatelloa ka holim'a thepa tlas'a boima ba lik'hilograma tse 150. Boleng ba boima bo khethoa ka ho lekanya botebo ba ho indentation.

* Mefuta e sebetsang ea lisebelisoa:

- E loketse haholo bakeng sa lisebelisoa tsa tšepe tse thata ho ea ho tse thata, joalo ka litšepe tse itseng, tšepe e entsoeng ka tšepe le li-alloys tse thata.

*Maemo a Tloaelehileng a Kopo:

-Taolo ea boleng le tlhahlobo ea boima ba tšepe le tšepe ea tšepe.

- Teko ea boima ba lisebelisoa le likarolo tsa mochini.

-Likopo tsa indasteri bakeng sa lisebelisoa tse thata tse mahareng ho isa ho tse phahameng.

* Likarolo le Melemo:

-Wide Applicability: Sekala sa HRK se loketse lisebelisoa tsa tšepe tse thata ho ea ho tse thata, tse fanang ka liphetho tse nepahetseng tsa liteko.

-Moroalo o Phahameng: E ​​sebelisa mojaro o phahameng (150 kg), o loketseng lisebelisoa tse thata tse phahameng.

-Ho Pheta-pheta ho Phahameng: Indenter ea bolo ea tšepe e fana ka liphetho tse tsitsitseng le tse pheta-phetoang.

* Maikutlo kapa Meeli:

- Tokiso ea Mohlala: Sebaka sa mohlala se tlameha ho ba se boreleli le se hloekileng ho netefatsa liphetho tse nepahetseng.

-Moeli oa Material: Ha e loketse lisebelisoa tse bonolo haholo kaha mojaro o phahameng o ka baka ho indentation ho feteletseng.

-Tlhokomelo ea Lisebelisoa: Ho lekoa khafetsa le ho lokisoa ha lisebelisoa tsa tlhahlobo hoa hlokahala ho netefatsa ho nepahala le ho ts'epahala.

7.HRL

* Mokhoa oa ho etsa liteko le Molao-motheo:

-Teko ea boima ba HRL e sebelisa 1/4 inch steel ball indenter, e hatelloa ka holim'a thepa tlas'a boima ba 60 kg. Boleng ba boima bo khethoa ka ho lekanya botebo ba ho indentation.

* Mefuta e sebetsang ea lisebelisoa:

-Haholo e loketse lisebelisoa tsa tšepe tse bonolo le li-plastiki tse itseng, tse kang aluminium, koporo, li-alloys tsa lead, le lisebelisoa tse ling tsa polasetiki tse thata tse tlase.

*Maemo a Tloaelehileng a Kopo:

-Taolo ea boleng le tlhahlobo ea boima ba litšepe tse bobebe le li-alloys.

-Teko ea boima ba lihlahisoa tsa polasetiki le likarolo.

- Teko ea lisebelisoa indastering ea motlakase le ea elektroniki.

* Likarolo le Melemo:

-E loketse Lisebelisoa tse Bonolo: Sekala sa HRL se loketse ka ho khetheha ho lekanya ho thatafala ha tšepe le lisebelisoa tsa polasetiki tse bonolo, ho fana ka liphetho tse nepahetseng tsa liteko.

-Moroalo o tlase: E sebelisa moroalo o tlase (60 kg) ho qoba ho kenella ka bongata linthong tse bonolo.

-Ho Pheta-pheta ho Phahameng: Indenter ea bolo ea tšepe e fana ka liphetho tse tsitsitseng le tse pheta-phetoang.

* Maikutlo kapa Meeli:

- Tokiso ea Mohlala: Sebaka sa mohlala se tlameha ho ba se boreleli le se hloekileng ho netefatsa liphetho tse nepahetseng.

-Moeli oa Material: Ha e loketse lisebelisoa tse thata haholo, joalo kaliboro tse tiileng tsa carbide, kaha indenter ea bolo ea tšepe e ka senyeha kapa ea hlahisa liphello tse sa nepahalang.

-Tlhokomelo ea Lisebelisoa: Ho lekoa khafetsa le ho lokisoa ha lisebelisoa tsa tlhahlobo hoa hlokahala ho netefatsa ho nepahala le ho ts'epahala.

8.HRM

* Mokhoa oa ho etsa liteko le Molao-motheo:

-Teko ea boima ba HRM e sebelisa 1/4 inch steel ball indenter, e hatelletsoeng ka holim'a thepa tlas'a mojaro oa 100 kg. Boleng ba boima bo khethoa ka ho lekanya botebo ba ho indentation.

* Mefuta e sebetsang ea lisebelisoa:

- Haholo-holo e loketse lisebelisoa tsa tšepe tse thata tse mahareng le li-plastiki tse itseng, tse kang aluminium, koporo, li-alloys tsa lead, le lisebelisoa tsa polasetiki tse thata tse mahareng.

*Maemo a Tloaelehileng a Kopo:

-Taolo ea boleng le tlhahlobo ea boima ba litšepe tse thata ho isa ho tse bohareng.

-Teko ea boima ba lihlahisoa tsa polasetiki le likarolo.

- Teko ea lisebelisoa indastering ea motlakase le ea elektroniki.

* Likarolo le Melemo:

-E loketse Lisebelisoa tse Harellang: Sekala sa HRM se loketse ka ho khetheha ho lekanya ho thatafala ha tšepe le lisebelisoa tsa polasetiki tse thata, ho fana ka liphetho tse nepahetseng tsa liteko.

-Mojaro o Itekanetseng: E ​​sebelisa mojaro o itekanetseng (100 kg) ho qoba ho indenting ho feteletseng linthong tse thata tse mahareng.

-Ho Pheta-pheta ho Phahameng: Indenter ea bolo ea tšepe e fana ka liphetho tse tsitsitseng le tse pheta-phetoang.

* Maikutlo kapa Meeli:

- Tokiso ea Mohlala: Sebaka sa mohlala se tlameha ho ba se boreleli le se hloekileng ho netefatsa liphetho tse nepahetseng.

-Moeli oa Material: Ha e loketse lisebelisoa tse thata haholo, joalo kaliboro tse tiileng tsa carbide, kaha indenter ea bolo ea tšepe e ka senyeha kapa ea hlahisa liphello tse sa nepahalang.

-Tlhokomelo ea Lisebelisoa: Ho lekoa khafetsa le ho lokisoa ha lisebelisoa tsa tlhahlobo hoa hlokahala ho netefatsa ho nepahala le ho ts'epahala.

9.HRR

* Mokhoa oa ho etsa liteko le Molao-motheo:

-Teko ea boima ba HRR e sebelisa 1/2 inch steel ball indenter, e hatelletsoeng ka holim'a lintho tse bonahalang tlas'a mojaro oa 60 kg. Boleng ba boima bo khethoa ka ho lekanya botebo ba ho indentation.

* Mefuta e sebetsang ea lisebelisoa:

- Haholo-holo e loketse lisebelisoa tsa tšepe tse bonolo le li-plastiki tse itseng, tse kang aluminium, koporo, li-alloys tsa lead, le lisebelisoa tsa polasetiki tse thata tse tlase.

*Maemo a Tloaelehileng a Kopo:

-Taolo ea boleng le tlhahlobo ea boima ba litšepe tse bobebe le li-alloys.

-Teko ea boima ba lihlahisoa tsa polasetiki le likarolo.

- Teko ea lisebelisoa indastering ea motlakase le ea elektroniki.

* Likarolo le Melemo:

-E loketse Lisebelisoa tse Bonolo: Sekala sa HRR se loketse ka ho khetheha ho lekanya ho thatafala ha tšepe le lisebelisoa tsa polasetiki tse bonolo, ho fana ka liphetho tse nepahetseng tsa liteko.

-Moroalo o ka tlase: E sebelisa moroalo o tlase (60 kg) ho qoba ho kenella ka bongata linthong tse bonolo.

-Ho Pheta-pheta ho Phahameng: Indenter ea bolo ea tšepe e fana ka liphetho tse tsitsitseng le tse pheta-phetoang.

* Maikutlo kapa Meeli:

- Tokiso ea Mohlala: Sebaka sa mohlala se tlameha ho ba se boreleli le se hloekileng ho netefatsa liphetho tse nepahetseng.

-Moeli oa Material: Ha e loketse lisebelisoa tse thata haholo, joalo kaliboro tse tiileng tsa carbide, kaha indenter ea bolo ea tšepe e ka senyeha kapa ea hlahisa liphello tse sa nepahalang.

-Tlhokomelo ea Lisebelisoa: Ho lekoa khafetsa le ho lokisoa ha lisebelisoa tsa tlhahlobo hoa hlokahala ho netefatsa ho nepahala le ho ts'epahala.

10.HRG

* Mokhoa oa ho etsa liteko le Molao-motheo:

-Teko ea boima ba HRG e sebelisa 1/2 inch steel ball indenter, e hatelletsoeng holim'a thepa tlas'a boima ba lik'hilograma tse 150. Boleng ba boima bo khethoa ka ho lekanya botebo ba ho indentation.

* Mefuta e sebetsang ea lisebelisoa:

- Haholo-holo e loketse lisebelisoa tsa tšepe tse thata, tse kang litšepe tse itseng, tšepe e entsoeng ka tšepe le li-alloys tse thata.

*Maemo a Tloaelehileng a Kopo:

-Taolo ea boleng le tlhahlobo ea boima ba tšepe le tšepe ea tšepe.

-Teko ea boima ba lisebelisoa le likarolo tsa mochini, ho kenyeletsoaliboro tse tiileng tsa carbide.

-Likopo tsa indasteri bakeng sa lisebelisoa tse thata tse phahameng.

* Likarolo le Melemo:

-Kakaretso e pharaletseng: Sekala sa HRG se loketse lisebelisoa tsa tšepe tse thata, tse fanang ka liphetho tse nepahetseng tsa liteko.

-Moroalo o Phahameng: E ​​sebelisa mojaro o phahameng (150 kg), o loketseng lisebelisoa tse thata tse phahameng.

-Ho Pheta-pheta ho Phahameng: Indenter ea bolo ea tšepe e fana ka liphetho tse tsitsitseng le tse pheta-phetoang.

* Maikutlo kapa Meeli:

- Tokiso ea Mohlala: Sebaka sa mohlala se tlameha ho ba se boreleli le se hloekileng ho netefatsa liphetho tse nepahetseng.

-Moeli oa Material: Ha e loketse lisebelisoa tse bonolo haholo kaha mojaro o phahameng o ka baka ho indentation ho feteletseng.

-Tlhokomelo ea Lisebelisoa: Ho lekoa khafetsa le ho lokisoa ha lisebelisoa tsa tlhahlobo hoa hlokahala ho netefatsa ho nepahala le ho ts'epahala.

Qetello

Sekala sa boima ba Rockwell se kenyelletsa mekhoa e fapaneng ea ho lekola boima ba lisebelisoa tse fapaneng, ho tloha ho tse bonolo haholo ho isa ho tse thata haholo. Sekala se seng le se seng se sebelisa li-indenters le meroalo e fapaneng ho lekanya botebo ba indentation, ho fana ka liphetho tse nepahetseng le tse ka phetoang tse loketseng taolo ea boleng, tlhahiso le tlhahlobo ea thepa ho pholletsa le liindasteri tse fapaneng. Tlhokomelo ea kamehla ea lisebelisoa le ho lokisa sampole e nepahetseng ke tsa bohlokoa bakeng sa ho netefatsa litekanyo tse tšepahalang tsa boima. Ka mohlala,liboro tse tiileng tsa carbide, tseo ka tloaelo li leng thata haholo, li lekoa ka ho fetisisa ho sebelisoa sekala sa HRA kapa HRC ho netefatsa litekanyo tse nepahetseng le tse tsitsitseng tsa boima.

Ikopanye le: jason@wayleading.com
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