Kammala saman Fannin Zuba Jari: Ra darajar, Hasashe, da Ƙayyadaddun Waya

Tambayi masu siye goma abin da "kyakkyawan shimfidar wuri" ke nufi akan simintin gyare-gyare kuma za ku sami amsoshi daban-daban guda goma: "m," "kamar inji," "babu rami," "mafi kyau fiye da simintin yashi," "Ra 3.2 ko'ina." Yawancin waɗannan amsoshin suna kashe kuɗi - yawanci fiye da yadda suke buƙata. Ƙarshen saman yana ɗaya daga cikin mafi girman ƙayyadaddun buƙatu wajen siyan simintin simintin, kuma ɗaya daga cikin mafi rashin fahimta. Wannan jagorar tana bayanin abin da simintin saka hannun jari ke bayarwa a zahiri, yadda ƙimar Ra ke aiki akan filayen simintin gyare-gyare, da kuma yadda za a tantance ƙarewa don ku biya daidai abin da ɓangaren ku ke buƙata - ba komai ba.

Abin da "Surface Gama" ke nufi akan simintin gyare-gyare

A wani ɓangaren injina, ƙarewar saman abu ne na kayan aiki na lissafi, ƙimar ciyarwa da saurin igiya - tsari mai sarrafawa yana samar da sakamako mai aunawa, mai maimaitawa. A kan simintin gyare-gyare, saman simintin simintin kwafin ciki ne na harsashi yumbu: yana gaji rashin ƙarfi na harsashi, wanda aka gyara ta yadda ƙarfen ke cika da ƙarfafawa. Wannan kwafin yana da kyau kwarai da gaske - wanda shine ainihin dalilin da yasa aka zaɓi simintin saka hannun jari don kayan kwalliya da sassa na aiki iri ɗaya - amma nau'in santsi ne na daban fiye da injina, kuma yakamata a ƙayyade shi daban.

Ma'aunin ma'auni shine Ra (matsakaicin rashin ƙarfi) , a cikin mitoci (µm). A matsayin ƙaƙƙarfan ƙirar tunani don simintin saka jari:

• Ra 0.8-1.6 µm - filaye masu kyau kamar-simintin gyare-gyare, wanda za'a iya samuwa akan saman harsashi na ƙananan sassa a cikin tsarin silica sol; sau da yawa mafi kyawun simintin simintin gyare-gyare da za ku iya dogara da su
• Ra 1.6 – 3.2 µm - kewayon simintin kasuwanci na yau da kullun don yawancin simintin saka hannun jari na ƙarfe da ƙarfe
• Ra 3.2-6.3 µm - na al'ada don sassan tsarin gilashin ruwa da manyan simintin gyare-gyare; har yanzu yana da kyau fiye da simintin yashi
• Ra 6.3-12.5 µm - yankin simintin yashi; Hakanan inda manyan simintin simintin simintin gyare-gyare kan manyan simintin saka hannun jari za su iya sauka
• Ra 0.4-1.6 µm - duniya na'ura; mai yiwuwa ne kawai ta hanyar cire kayan aiki

Tazarar da ke tsakanin "mafi kyawun simintin simintin gyare-gyare" da "kowane saman da aka yi amfani da shi" shine iyaka inda mafi yawan kurakurai ke faruwa.

Me yasa Filayen Filayen Zuba Jari Sun bambanta Da Yashi

Dalilai biyu, duka sun cancanci fahimta saboda sun bayyana bambancin farashin.

Shell ingancin. Harsashin yumbu na silica sol da aka yi amfani da shi a cikin simintin saka hannun jari mai inganci yana da kyau, mai yawa saman ciki - da gaske yumbu mai kwafi wanda ke kwafin ƙirar kakin zuma tare da ƙarancin ƙarancin ƙarfi. Bawoyin gilashin ruwa sun fi muni da rahusa. Yashi ta mold surface ne, da kyau, yashi: daidaikun hatsi bar tambarin su a kan simintin, samar da sifa mai m, gritty surface gama (da kuma classic "sanding" na saman inda abin kwaikwaya raps a kan mold). Wannan shine dalilin da ya sa "aikin simintin gyare-gyare ne, ba shakka yana da wuyar gaske" shine tunani mai yashi - ba ya aiki kai tsaye ga simintin saka hannun jari.

Babu layin rabuwa. Yashi simintin gyare-gyare da ɓangarorin simintin mutuwa suna ɗauke da layin rabuwa inda raƙuman ƙullun biyu suka hadu, da alamomin fil ɗin fitarwa da daftarin kusurwoyi. Simintin saka hannun jari ba shi da ɗaya daga cikin waɗannan: ƙirar kakin zuma jiki ce mai haɗaɗɗiya, don haka simintin ba shi da walƙiyar rabuwa kuma babu buƙatar daftarin aiki. Wannan bambance-bambancen guda ɗaya yana kawar da abubuwan da ake iya gani na "kallon simintin gyare-gyare" kuma yana ɗaya daga cikin manyan dalilan da aka ƙayyade sassan simintin saka hannun jari a inda abubuwan da suka shafi kamanni - kayan aikin famfo, datsa bawul, shingen mota, kayan ado na ado.

Cosmetic vs Aiki Sama Bukatun

Kuskuren ƙayyadaddun ƙayyadaddun tsada mafi tsada shine ɗaukar saman kayan kwalliya azaman aiki. Tambayar da za a yi wa kowane saman ita ce: menene ainihin wannan saman yake yi?

Fuskokin aiki - fuskokin rufewa, wuraren zama, fuskokin gasket, filaye masu gudana, ramukan da ke jagorantar O-zobba - suna da buƙatun aiki na gaske. Amma lura da abin da ba kasafai suke da shi ba: buƙatun kammala simintin simintin gyare-gyare. Kusan ko da yaushe ana yin amfani da saman kayan aiki ta wata hanya, saboda haƙuri da gamawa da suke buƙata (Ra 0.8, flatness 0.05) ba zai iya fitowa daga kowane tsarin simintin. Don haka tambaya ta gama aiki akan simintin saka hannun jari kusan koyaushe ana amsawa ta “inji shi,” kuma simintin Ra ba shi da mahimmanci a wurin.

Filayen kayan kwalliya - abubuwan da ake iya gani a wajen sashin, jikin bawul, fuskar bangon da aka gani a cikin injin injin - su ne inda gamawar simintin gyare-gyare a zahiri ke da mahimmanci, kuma inda ƙayyadaddun ƙayyadaddun bayanai ke yaɗuwa. Abubuwan da ake buƙata na simintin Ra 3.2 akan ɓangaren gilashin ruwa yana tilasta tsarin silica sol mafi tsada ko ƙarin ayyukan fashewa / goge goge don fa'idar aikin sifili. Bukatar as-cast Ra 6.3 da ta wuce haka.

Ka'idar babban yatsa da muke amfani da shi a Ningbo Ruican: ƙayyade matsayin-simintin gyare-gyare kawai inda yake da mahimmanci na gani ko don mannewa na gaba, kuma kiyaye shi a zahiri don aiwatarwa - Ra 3.2 don silica sol, Ra 6.3 don gilashin ruwa, sai dai idan kuna buƙatar gaske mafi kyau kuma kuna shirye don biya shi.

Inda Kammala Mahimmanci: Rufewa da Lalata

Akwai wuri ɗaya kamar yadda simintin gyare-gyare ya cancanci kulawa ta gaske: inda za a fentin ɓangaren, foda mai rufi ko lantarki. Wuraren simintin gyare-gyare suna da kololu masu kaifi waɗanda ke nunawa ta cikin sirara ("bawon ruwan lemu"), kuma suturar na iya yin gada akan ramukan saman ƙasa sannan ta yi tari daga baya. Don sassan fentin, masu siye sukan ƙididdige "harbi mai fashewa, sannan fentin" - fashewar tana yin ayyuka biyu: tsaftace ma'auni da ƙirƙirar bayanan anga don sutura.

Don rufin foda da e-coat, shimfidar wuri mai santsi mai santsi kamar simintin (Ra 3.2-6.3) tare da fasin fashewar haske yana ba ƙwararru, har ma da ƙarewa. Neman Ra 1.6 a kan gabaɗayan simintin gyaran kafa kafin zanen yana ɓata kuɗi - rufin zai daidaita kololuwar ƙaƙƙarfan kololuwa, kuma farashin gyare-gyaren simintin gyaran kafa zuwa wancan matakin yana da mahimmanci.

Yadda Ake Ƙayyade Ƙarshen Sama Daidai

Jagorar ƙayyadaddun ƙayyadaddun ayyuka don RFQ ɗinku na gaba:

1. Rarrabe saman injina da simintin simintin gyare-gyare akan zane. Alama saman kayan aiki kamar yadda aka ƙera tare da jurewar darajar IT da Ra. Yi alama sauran azaman-simintin gyare-gyare tare da kiran duniya guda ɗaya.
2. Jihar Ra kawai inda aka tabbatar. A kan simintin simintin gyare-gyare, ma'aunin Ra yana da wayo (hanyoyin sifofi a kan mai lanƙwasa, fashewar ƙasa suna hayaniya). Kira na gaskiya kamar "as-cast Ra ≤ 6.3 µm, harbi mai fashewa" abu ne mai gwadawa da gaskiya; "Ra 1.6 as-cast" ba kuma za'a yi farashi kamar an yi shi.
3. Yi amfani da yarda na gani inda zai yiwu. Don saman kayan kwalliya, yarda da samfurin gani/analog ("madaidaicin samfurin da aka yarda da shi A") maimakon lamba. Wannan daidaitaccen aiki ne a cikin masana'antar kuma mafi ƙarfin aiwatarwa fiye da kiran Ra akan saman fashe.
4. Daidaita kiran zuwa tsari. Kada a saka silica-sol-level ƙare akan ɓangaren gilashin ruwa, kuma kada ku biya silica sol kawai don gamawa idan fashewa bayan gaskiyar ta cika buƙatar ku.
5. Tambayi ma'adanar abin da a zahiri suke riƙe. Tushen da ya faɗi ainihin iyawar simintin sa, tare da samfurori, abokin tarayya ne; wanda yayi alƙawarin Ra 1.6 as-cast akan komai yana da farashi cikin haɗari.

Tsawa, Tumbling da gogewa: Kayan Aikin Gama

Bayan simintin simintin gyare-gyare, akwai nau'ikan jiyya mai arha-zuwa-tsada wanda ya cancanci sanin:

• Harba fashewar abubuwa (mafi kowa, haɗa): yana cire ragowar harsashi da sikelin, gamawar matte iri ɗaya, yana buɗe saman don shafa. Daidaita akan kusan dukkanin simintin gyare-gyaren mu.
• Yashi/ƙaramar fashewar ƙwanƙwasa (mafi ƙaranci): ƙarar ƙura don sassa na kayan kwalliya ko sassan bakin ciki waɗanda harba fashewar fashewar za su iya bazuwa.
• Vibratory tumbling (arha smoothing): deburrs gefuna da zagaye kaifi sasanninta; mai kyau ga ƙananan sassa tare da gefuna waɗanda ke taɓa ma'aikatan taro.
• Mechanical polishing / buffing: kawai inda saman dole ne ya yi kama da inji ko madubi- ƙare; farashi yana tashi da sauri tare da yanki.
• Gilashin bead ɗin peening: sarrafawa, gamawa iri ɗaya tare da fa'idar damuwa mai sauƙi; ana amfani da shi a saman kayan kwalliya da gajiya-m.

Ga mafi yawan simintin gyare-gyare na masana'antu, harbin iska mai ƙarfi shine ƙarewar da ta dace kuma ta cika buƙatu. Duk wani mataki da ya wuce haka ya kamata ya sami dalili.

Haƙiƙanin Ƙarfin Ƙarshen Ƙirar Ƙarshe

Ƙididdigar ƙima suna yin batu. A kan simintin saka hannun jari na kilogiram 2 na al'ada:

• As-cast Ra 6.3, harbi mai fashewa: farashi mai tushe - an haɗa shi cikin ƙimar
• As-cast Ra 3.2 (silica sol surface): +5-15% farashin tsari, wani lokacin sifili idan harsashi yana da kyau ta wata hanya
• Abubuwan da aka yi amfani da su kawai: + 20-40% jimlar farashi (lokacin yin inji akan simintin gyare-gyaren da ke kusa da gidan yanar gizo)
• Filayen kayan kwalliyar da aka goge: +30-60% ko fiye akan waɗancan saman

Gaskiyar da ba ta da daɗi: Ƙarshen saman ita ce inda wuraren ganowa suka dawo gefe daga ƙayyadaddun bayanai. Mai siye wanda ya ce "ku daidaita shi duka" yana samun ƙima da ke biyan kuɗin gogewar da ba su taɓa gani ba. Mai siye wanda ya ce "na'uran nan shida saman, busa sauran, yarda da samfurin" yana samun fa'ida mai gasa da ɓangaren da ke yin aikinsa.

Me yasa Ningbo Ruican ke Kula da Wannan

Muna ƙera silica sol da simintin saka hannun jari na gilashin ruwa a cikin carbon karfe, gami da ƙarfe, bakin karfe da ductile baƙin ƙarfe, tare da shagon CNC na cikin gida da cikakken damar jiyya na saman iska daga fashewa ta hanyar gogewa. Lokacin da muka yi bitar zane, ƙayyadaddun bayanai yana ɗaya daga cikin abubuwan farko da muke tattaunawa - ba don muna so mu guje wa aiki ba, amma saboda an horar da injiniyoyinmu don su raba abin da ɓangaren ke buƙata da abin da zanen ya ce , kuma su gaya muku bambanci da gaske. Sakamako shine ƙididdiga don gamawa da kuke buƙata a zahiri, wanda aka kawo akan farashin da kasuwa ke buƙata.

Aiko mana da zanenku da bayyanannen bayanin abin da saman ke aiki: za mu tabbatar da abin da za mu iya riƙe kamar-simintin, abin da ya kamata a yi, da kuma menene ainihin ƙayyadaddun ƙayyadaddun ku ya zama.

Samu bita-karshe tare da zance na gaba a www.kstcasting.com.