Bently Nevada 1900/65: Dalilin Da Ya Sa Ƙananan Da Matsakaitan Masana’antu Suke Fara Amfani Da Kiyaye Injuna Kafin Su Lalace
Kiyaye injuna kafin su lalace (predictive maintenance) tun da dadewa ana kallonsa da tsadar kudi da kuma wahalar shigarwa. Bently Nevada 1900/65 tana karya wannan zato. Wannan na’ura guda ɗaya tana kawo sa ido mai ƙarfi na masana’antu kan jijjiga da zafi ga kayan aiki da galibi basa da kariya. Ƙananan famfunan injina, masoyan taimako (auxiliary fans), compressors na sarrafa aiki, da na’urorin tuki na kayan jigila suna fara samun irin kulawar da ake bai wa manyan injuna masu muhimmanci.
Haɗa 1900/65 Da Tsarin Sarrafawar Ku
Na’urar saka idanu tana “magana” da harshen tsarin sarrafa masana’antu. Hanyoyi huɗu na shigar da jijjiga masu zaman kansu suna karɓar sigina daga accelerometers ko eddy current probes. Tashoshi huɗu na zafi suna aiki da na'urorin auna zafi J-type, K-type, ko na’urar RTD mai wayoyi 3. Kowane ma’aunin wuri yana fitar da siginar analog 4-20 mA mai zaman kanta. Ana haɗa waɗannan siginoni kai tsaye da kowane kati na shigar analog na PLC. Wani tashar RS485 tare da Modbus RTU yana samar da hanyar dijital ga waɗanda suke son sadarwar serial. Babu mai juyar da yarjejeniya (protocol converter). Babu middleware. Kawai wayoyi kai tsaye.
Muhimman Sigogin Fasaha Da Suke Da Tasiri A Dandalin Aiki
Martanin mita (frequency response) yana daga 100 Hz zuwa 10 kHz. Wannan ya rufe injuna masu juyawa a hankali da kuma injunan turbomachinery masu saurin juyawa sosai. Daidaiton auna jijjiga yana kasancewa cikin ±2%. Daidaiton auna zafi kuwa yana cikin ±1.0°C a duk iyakar ma'aunin. Matakin wuta yana karɓar 18 zuwa 36 VDC, wanda ke sa ya dace da wutar masana'antu na 24V da aka saba amfani da ita. Yanayin zafin aiki yana daga -20°C zuwa +65°C, ya dace da shigar da shi a cikin kwanon kwamiti (panel) a yawancin muhallin masana'antu.
Jagorar Shigarwa Mataki-zuwa-Mataki
- Zaɓi wurin dogon DIN rail da ke cikin nisan mita 5 daga injin da ake saka idanu a kai.
- Shigar da wutar 24 VDC ta cikin fuse na 1 amp ko na'urar katse wuta (circuit breaker).
- Kammala haɗa kebul na na'urorin auna jijjiga bisa zane na haɗin igiyoyi masu kariya (shielded pair connection diagram).
- Haɗa na'urorin auna zafi bisa ga jagorar lakabin tashoshi (terminal label guide) na kowane iri.
- Shirya matakan faɗakarwa da haɗari ta amfani da maɓallan gefen gaba na na'urar. Fara da 4.0 mm/s don jijjiga (vibration) da 85°C don zafi.
- kunna kowace relay da hannu daga maƙalar gwaji (test menu) domin tabbatar da wayoyin sarrafawa.
- Auna kowane fitar 4-20 mA da ma'aunin lantarki (multimeter) kafin a haɗa shi da PLC.
Bayanan Ayyuka Daga Wuraren Da Suke Gudana
Masana'antar Takarda – Famfun Injin Tsotsa 24 da Na'urorin Tuki Na Bel Mai ɗaukar Kaya 16
Masana'antar niƙa tana rasa matsakaicin sa'o'in samarwa 34 a kowane wata saboda rashin sa ran lalacewar famfo. Bayan shigar da na'urorin 1900/65 guda goma sha tara, tawagar kiyayewa ta fara samun gargaɗin wuri kan lalacewar bearings guda bakwai da rashin daidaiton coupling guda uku. Lokutan tsayawar gaggawa na kowane wata suka ragu zuwa sa'o'i 11. Ajiyar shekara-shekara ta kai $156,000. Dukan aikin saka idanu ya biya kansa cikin watanni biyar.
Masana'antar Fitar da Plastics – Masu Busar Hasumiyar Sanyaya 42
Zafin motar fan ɗin a matsakaici yana 76°C a ƙarƙashin yanayi na al'ada. Fan ɗaya ya hau zuwa 104°C a cikin makonni biyu. 1900/65 ta tayar da ƙararrawar zafi mai yawa a 95°C. Ma'aikatan kiyayewa suka gano bututun sanyaya ya toshe. Gyara ya kashe $400. Lalacewar mota gaba ɗaya da gaggawa da ta faru da zai kai har $12,000 ƙari da rasa sa'o'i takwas na samarwa. Na'urar saka idanu ta ceci $15,600 a kan wannan lamari guda.
Cibiyar Sarrafa Haɗaɗɗun Dutsen Gini – Alluna Masu Jijjiga 18 da Pulley na Kan Conveyor 12
Matakin jijjiga a kan muhimmin allo ya auna 7.8 mm/s. An saita iyakar ƙararrawa a 5.0 mm/s. Ma'aikatan kiyayewa suka duba allon suka gano sandunan goyon baya sun fashe. Gyara ya kashe $3,200. Idan aka bar shi ya kai ga lalacewa gaba ɗaya, da ya lalata tsarin allon tacewa da kimanin kuɗin musanya $47,000. Na'urar saka idanu ta gano matsalar makonni shida kafin lokacin lalacewar da aka yi hasashe.
Masana'antar Giya – Direbobi 30 na Na'urar Cika Kwalabe da Compressors 8 na Iska
Zafin fitarwa na compressor a kullum yana kusan 88°C. Sai karatun ya yi kwatsam ya nuna 112°C. Ma'aikata suka kashe na'urar suka gano bawul ɗin fitarwa na dab da lalacewa. Gyara ya kashe $1,800. Idan bawul ɗin ya lalace yayin aiki, da ya lalata kan compressor ɗin da kimanin $22,000. Na'urar saka idanu ta kuma taimaka wa masana'antar giya rage binciken yayewar iska ta compressor da kashi 60% ta hanyar bin diddigin sauyin zafi akai-akai.
Dalilin da ya sa Wannan Hanyar Ke Sauya Tattauwar Kasafin Kuɗi
Sassan kudi sau da yawa kan ƙi shawarwarin kiyayewa na hasashe saboda manyan kuɗaɗen farko. 1900/65 yana canza wannan yanayin. Na'ura guda ɗaya tana kashe ɗan ƙaramin ɓangare na kuɗin manyan tsarin kamfani. Sanya ta ba ya buƙatar horo na musamman. Na'urar saka idanu tana turawa bayanai ta hanyar tsarin PLC da ake da shi a yanzu. Babu ƙarin software. Babu lasisin shekara-shekara. Babu uwar garken da aka keɓe. Manyan manajojin masana'anta za su iya saka na'ura guda ɗaya a kan wata na'ura mai matsala su auna sakamakon. Bayanai da kansu ke gina hujjar kasuwanci don faɗaɗa tsarin.
Amsoshi ga tambayoyin fasaha da aka saba yi
Q1: Shin na'urar saka idanu na iya gano gazawar duka birane masu nadi da birane masu zobe?
A: Eh. Birane masu nadi (rolling element bearings) suna nuna kololuwar mita mai yawa sama da 1 kHz. Birane masu zobe (sleeve bearings) galibi suna nuna girgar jiki ƙasa da mitar juyawa (sub‑synchronous). Fannin 100 Hz zuwa 10 kHz yana kama duka alamomin da inganci.
Q2: Ta yaya na'urar saka idanu ke magance karyewar igiyar firikwensin?
A: Na'urar tana ci gaba da duba bias voltage na firikwensin. Idan igiyar ta karye, yana kunna relay na kuskure kuma yana saukar da fitar 4–20 mA da abin ya shafa zuwa 2 mA. Wannan yana ba da damar PLC ta gane gazawar firikwensin dabam da aikin yau da kullum.
Q3: Menene tsawon rayuwar aiki da ake tsammani na 1900/65?
A: Na'urar saka idanu tana amfani da ƙananan sassan lantarki na solid‑state ba tare da sassa masu motsi ba. Tsawon rayuwar aiki da ake tsammani ya fi shekaru goma a cikin yanayin masana'antu na yau da kullum. An ƙididdige membrane na maɓallan keɓaɓɓu don jure dannawa 100,000.
Tsarukan sakawa da ke aiki yadda ya kamata
| Nau'in injin | Kundin na'urorin firikwensin | Saitunan ƙararrawa na yau da kullum | Amfanin da ake tsammani |
|---|---|---|---|
| Famfon centrifugal | Accelerometer biyu a jikin birane + RTD guda ɗaya a kan ɓangon injin | Girgar jiki 4.5 mm/s, Zazzabi 85°C | Kawarda gazawar hatimi da birane |
| Compressor na iska | Accelerometer huɗu a kan kawunan silinda + thermocouple biyu | Girgar jiki 7.0 mm/s, Zazzabi 95°C | Gano zubar bawul da sawa na zobin hatimi |
| Fan na hasumiyar sanyaya | Proximity probe guda ɗaya a kan shaft na fitarwa + RTD guda ɗaya a kan akwatin gear | Girgar jiki 3.5 mm/s, Zazzabi 80°C | Hana mummunar gazawar akwatin gear |
| Na'urar busar iska ta masana'antu | Accelerometer biyu a jikin fan + thermocouple guda ɗaya a kan wayar juyawar mota | Girgar jiki 5.0 mm/s, Zazzabi 90°C | Guje wa tsaiduwar aiki ba ta shirye ba |
Kulawar hasashen matsala mai araha ba sabani ba ce yanzu. Bently Nevada 1900/65 yana ba da sakamako na ƙwararru ba tare da manyan kasafin kuɗin kamfani ba. Masana'antu da ke fara da na'urorin saka idanu biyu ko uku yawanci suna faɗaɗa yawan da suke rufe cikin watanni takwas. Kowace gazawa da aka hana tana haifar da ajiya ta kuɗi da aka rubuta wadda ke tallafa wa shigarwa na gaba.
Ƙayyadaddun yanayi da takaddun shaida
- Zafin aiki: -20°C zuwa +65°C
- Zafin ajiya: -40°C zuwa +85°C
- Danshin iska mai dangantaka: 0% zuwa 95% ba tare da ta'azzarar ruwa ba
- Tsayin ƙasa: har zuwa mita 2000
- Matakin gurbata muhalli: 2
- Rukunin shigarwa: II
