Bearings na birgima manyan abubuwan haɗin gwiwa ne da ake amfani da su sosai a fannin injiniyan injiniya, kuma aikinsu yana shafar amincin aiki na dukkan na'urar. Gwajin tauri na sassan birgima yana ɗaya daga cikin alamun tabbatar da aiki da aminci. Ka'idojin Duniya na ISO 6508-1 "Hanyoyin Gwaji don Tauri na Sassan Birgima" sun ƙayyade buƙatun fasaha don gwajin tauri na sassan, gami da abubuwan da ke gaba:
1. Bukatun taurin kai ga sassan ɗaukar kaya bayan an yi amfani da su wajen dumama jiki;
1) Karfe mai ɗauke da sinadarin chromium mai yawan carbon (jerin GCr15):
Yawancin lokaci, taurin bayan an yi amfani da shi yana da mahimmanci a cikin kewayon 60-65 HRC (ma'aunin taurin Rockwell C);
Mafi ƙarancin tauri bai kamata ya zama ƙasa da 60 HRC ba; in ba haka ba, juriyar lalacewa ba zai isa ba, wanda zai haifar da lalacewa da wuri;
Matsakaicin taurin kada ya wuce 65 HRC don guje wa karyewar kayan, wanda zai iya haifar da karyewa a ƙarƙashin nauyin tasiri.
2) Kayayyaki don yanayi na musamman na aiki (kamar ƙarfe mai ɗaukar nauyi, ƙarfe mai ɗaukar zafi mai yawa):
Karfe mai ɗaukar ƙarfe mai ɗaukar ƙarfe (kamar 20CrNiMo): Taurin layin da aka yi da ƙarfe bayan an yi amfani da shi gabaɗaya shine 58 ~ 63 HRC, kuma taurin zuciyar yana da ƙarancin ƙarfi (25 ~ 40 HRC), wanda ke daidaita juriyar lalacewa ta saman da kuma taurin zuciyar;
Karfe mai ɗaukar zafi mai yawa (kamar Cr4Mo4V): Bayan an yi amfani da shi a yanayin zafi mai yawa, taurin yakan kasance a 58 ~ 63 HRC don biyan buƙatun juriyar sawa a yanayin zafi mai yawa.
2. Bukatun taurin kai ga sassan ɗaukar kaya bayan yanayin zafi mai zafi;
200°C Raceway 60 – 63HRC Karfe Ball62 – 66HRC Roller61 – 65 HRC
225°C Raceway 59 – 62HRC Karfe Ball62 – 66HRC Roller61 – 65 HRC
250°C Raceway 58 – 62HRC Karfe Ball58 – 62HRC Roller58 – 62HRC
300°C Racingway 55 – 59HRC Karfe Ball56 – 59HRC Roller55 – 59HRC
3. Bukatu na asali don samfuran da aka gwada a gwajin tauri, da kuma takamaiman gwaje-gwaje daban-daban kamar zaɓin hanyoyin gwajin tauri, ƙarfin gwaji, da matsayin gwaji.
1) Gwaji don gwajin taurin Rockwell: 60kg, 100kg, 150kg (588.4N, 980.7N, 1471N)
Tsarin ƙarfin gwajin na'urar gwajin taurin Vickers yana da faɗi sosai:10g ~ 100kg (0.098N ~ 980.7N)
Ƙarfin gwaji don gwajin taurin Leeb: Nau'in D shine ƙayyadaddun da aka fi amfani da shi don ƙarfin gwaji (ƙarfin tasiri), wanda ya dace da yawancin sassan ƙarfe na gargajiya
2）Duba hoton da ke ƙasa don hanyar gwaji
| Lambar Serial | Bayanin sassa | Hanyar gwaji | Bayani |
| 1 | D< 200 | Ma'aikatar Kuɗi, Ma'aikatar Kuɗi | Ana ba da fifiko ga HRC |
| bₑ≥1.5 | |||
| Dw≥4.7625~60 | |||
| 2 | bₑ<1.5 | HV | Ana iya gwadawa kai tsaye ko bayan hawa |
| Dw<4.7625 | |||
| 3 | D ≥ 200 | HLD | Duk sassan bearings da ba za a iya gwada su ba don tauri a kan na'urar gwajin tauri ta benchtop za a iya gwada su ta hanyar hanyar Leeb. |
| bₑ ≥ 10 | |||
| Dw≥ 60 | |||
| Lura: Idan mai amfani yana da buƙatu na musamman don gwajin tauri, ana iya zaɓar wasu hanyoyi don gwada tauri. | |||
| Lambar Serial | Hanyar gwaji | Bayanin sassa/mm | Ƙarfin gwaji/N |
| 1 | HRC | bₑ ≥ 2.0, Dw≥ 4.7625 | 1471.0 |
| 2 | HRA | bₑ > 1.5 ~ 2.0 | 588.4 |
| 3 | HV | bₑ > 1.2 ~ 1.5, Dw≥ 2.0 ~ 4.7625 | 294.2 |
| 4 | HV | bₑ > 0.8 ~ 1.2, Dw≥ 1 ~ 2 | 98.07 |
| 5 | HV | bₑ > 0.6 ~ 0.8, Dw≥ 0.6 ~ 0.8 | 49.03 |
| 6 | HV | bₑ < 0.6, Dw< 0.6 | 9.8 |
| 7 | HLD | bₑ ≥ 10, Dw≥ 60 | 0.011 J (Joule) |
Tun lokacin da aka aiwatar da shi a cikin 2007, hanyoyin gwajin da aka ƙayyade a cikin ƙa'idar an yi amfani da su sosai a cikin sarrafa ingancin tsarin samarwa a cikin masana'antar kera kaya.
Lokacin Saƙo: Agusta-20-2025
