Dalilin da Ya Sa Granite — Ba Marmara Ba — Shine Ma'aunin Kayan Aikin Auna Daidaito

Shiga kusan kowace dakin gwaje-gwaje na metrology, ɗakin CMM, ko kayan aikin semiconductor, za ku ga wani dutse mai duhu mai kauri a ƙarƙashin kayan aikin. Yawancin mutane suna kiransa "marmara" daga al'ada, kamar yadda mutane ke cewa "Kleenex" don nama. A zahiri, kayan da ke yin aikin a cikin kayan aikin zamani na yau da kullun dutse ne, kuma bambancin ba na kwalliya ba ne. Yana shafar daidaiton ma'auni, tsawon lokacin kayan aiki, da kwanciyar hankali na daidaitawa na dogon lokaci.

Rikici Tsakanin Marmara da Granite

Marmara dutse ne mai kama da dutse wanda aka samo asali daga farar ƙasa, wanda aka yi shi da calcite. Yana da shahara a gine-gine da kan teburi saboda yana da laushi, yana ɗaukar gogewa cikin sauƙi, kuma yana da araha idan aka kwatanta da hakar dutse da siffa. Granite dutse ne mai kama da dutse mai kama da dutse wanda aka samar daga magma mai sanyi a hankali, wanda aka yi shi da quartz, feldspar, da mica. Wannan ma'adinan yana ba granite siffar injiniya daban-daban.

Don amfani da kayan ado, bambancin ba shi da wani muhimmanci. Ga farantin saman da injin aunawa (CMM) ko kuma matattarar ɗaukar iska ke zaune a kai, yana da matuƙar muhimmanci.

Yawan yawa da daidaiton girma

Baƙar fata da aka saba amfani da ita adaidaici aikace-aikaceyana da yawa a cikin kewayon kimanin 2,900–3,100 kg/m³, wanda ya fi girma fiye da yawancin marmara, wanda yawanci yakan faɗi a cikin kewayon 2,600–2,700 kg/m³. Babban yawa gabaɗaya yana da alaƙa da ƙarancin porosity da ingantaccen juriya ga ƙananan canje-canje a ƙarƙashin kaya - muhimmiyar siffa lokacin da ake tsammanin tushen granite zai riƙe lanƙwasa a cikin microns a cikin tsawon mita da ƙari.

Granite kuma yana da ƙarancin yawan faɗaɗa zafi fiye da sauran duwatsu masu daraja, kuma saboda tsarin lu'ulu'unsa ya fi kama da juna, yana mayar da martani ga canje-canjen zafin jiki yadda ake tsammani. A cikin ɗakin da ke da yanayin zafi inda abin da ake so zai iya zama ±0.5°C, yanayin faɗaɗawa da ba a iya faɗi ba a cikin farantin tushe na iya lalata daidaiton da aka tsara sauran tsarin don isarwa a hankali.

Juriyar Tufafi da kuma Zafin Jiki na Dogon Lokaci

Calcite (babban ma'adinan marmara) yana da kusan maki 3 a ma'aunin taurin Mohs. Quartz, wani ma'adinan da ke da rinjaye a cikin granite, yana da maki 7. Wannan gibin yana fassara kai tsaye zuwa juriya ga lalacewa. Farantin saman granite wanda ke ganin shekaru da yawa yana taɓawa daga na'urori masu auna sigina, styli, tubalan gauge, da kayan aiki zai riƙe faɗinsa mai tsayi fiye da dutse mai laushi a ƙarƙashin amfani iri ɗaya.

Wannan kuma shine dalilin da ya sa granite ke jure wa irin yanayin lalacewa na "ƙonewa" wanda zai iya tasowa akan faranti masu laushi na saman dutse tsawon shekaru na maimaitawa a cikin yankuna iri ɗaya - raguwar gudu a hankali wanda yake da sauƙin ɓacewa har sai an tabbatar da shi.

Me Yasa Sauyawar Ke Faruwa Har Yanzu?

Ganin cewa an yi amfani da fasahar granite a bayyane, me yasa har yanzu ake sayar da "marmara" a aikace? Mafi yawan farashi. Marmara ta fi araha don haƙa, yankewa, da gamawa, kuma ga wanda ba ƙwararre ba ne, allon dutse mai launin baƙi da aka goge yana kama da ɗaya ko da marmara ne ko granite. A cikin tsarin ƙididdigewa mai gasa, kwatancen da ba a sani ba zai iya zama mafi arha, mai rauni - tare da ainihin farashin yana bayyana ne kawai watanni ko shekaru bayan haka kamar yadda canjin ma'auni, lalacewar saman, ko rashin aiki da kayan aiki da wuri.

Me Za a Tambayi Mai Kaya

Ga injiniyoyi da ƙungiyoyin sayayya da ke ƙayyade tushen granite, wasu tambayoyi kai tsaye za su iya raba ainihin granite mai daidaito daga madadin marmara da aka sayar a ƙarƙashin sunan gama gari:

• Menene yawan dutsen da aka auna (kg/m³), kuma akwai takardar shaidar gwajin injin niƙa?
• Wane irin ƙarfin Mohs ne mai samarwa ya ambata, kuma za a iya tabbatar da shi?
• Shin za a iya bin diddigin ƙayyadaddun yanayin shimfidar wuri kai tsaye zuwa cibiyar nazarin yanayin ƙasa ta ƙasa?
• Wane bayani ne ke akwai game da takamaiman tushen ma'adinan?

Ana amfani da kayan aikin dutse a cikin nau'ikan kayan aiki masu yawa - tsarin nazarin semiconductor da tsarin dubawa, CMMs, kayan aikin auna gani, injunan haƙa PCB, dandamalin laser, da matakan injin layi - daidai saboda daidaiton injin kayan a ƙarƙashin kaya da zafin jiki shine abin da ke ba da damar duk abin da aka ɗora a saman sa ya yi aiki a cikin juriyar da aka tsara sauran tsarin don. Zaɓin dutse da ya dace a farkon shine ɗayan mafi ƙarancin kyau, kuma mafi mahimmanci, yanke shawara wajen gina tsarin daidaito.

ZHHIMG (Zhonghui Group) tana ƙera kayan aikin granite masu daidaito, kayan aikin auna granite, da kuma bearings na iska don masana'antar injunan metrology, semiconductor, da kuma daidai, tare da kayan da za a iya gano su ta hanyar rahotannin gwajin injina masu inganci.