Kodi Precision Amabadwa Bwanji? Kusanthula Maonekedwe a Granite Slab ndi Kukonza Zolondola

Pakupanga kolondola kwambiri ndi metrology, silabu ya granite ndiye maziko osatsutsika-malo a ziro-point of dimensional muyeso. Kukhoza kwake kunyamula ndege yapafupi kwambiri sikungokhala chikhalidwe chachilengedwe, koma zotsatira za njira yowongoka bwino, yotsatiridwa ndi chisamaliro chokhazikika, chokhazikika. Koma ndi ulendo wotani wotsimikizika womwe slab wa granite amatenga kuti akwaniritse ungwiro wotero, ndipo ndi njira zotani zomwe zimafunikira kuti zisungidwe? Kwa mainjiniya ndi oyang'anira zabwino, kumvetsetsa zonse zomwe zimachitika mwatsatanetsatane komanso njira zoyenera kuti zisungidwe ndizofunikira kuti pakhale zopanga.

Gawo 1: Njira Yopangira Maupangiri—Engineering Flatness

Ulendo wa silabu ya granite, kuchokera pachidacho chodulidwa movutikira kupita ku mbale yowonetsera, umaphatikizapo magawo angapo akupera, kukhazikika, ndi kutsirizitsa, chilichonse chopangidwa kuti chichepetse kulakwitsa kwapang'onopang'ono.

Poyambirira, akadula, slab imayikidwa pa Rough Shaping ndi Kugaya. Gawoli limachotsa zinthu zambiri kuti zikhazikitse pafupifupi geometry yomaliza komanso kusalala kolimba. Chofunika kwambiri, njirayi imathandizanso kumasula zovuta zambiri zomwe zimatsalira mwala panthawi yodula miyala komanso kudula koyambirira. Polola kuti slab "ikhazikike" ndikukhazikikanso pakatha gawo lililonse lochotsa zinthu, timapewa kugwedezeka kwamtsogolo, ndikuwonetsetsa kukhazikika kwanthawi yayitali.

Kusintha kwenikweni kumachitika panthawi ya Art of Precision Lapping. Lapping ndiye njira yomaliza, yapadera kwambiri yomwe imayeretsa malo osanja kuti ikhale ndege yovomerezeka. Uku sikukupera kwa makina; ndi ntchito yosamala, yotsika kwambiri, yothamanga kwambiri. Timagwiritsa ntchito zonyezimira zabwino, zotayirira - nthawi zambiri matope a diamondi - omwe amaimitsidwa pamadzi, opaka pamwamba pa granite ndi mbale yolimba yoyika chitsulo. Kuyenda kumayendetsedwa bwino kuti kuwonetsetse kuti zinthu zofanana zimachotsedwa pamtunda. Izi, zomwe zimabwerezedwa pamanja komanso mwamakina mobwerezabwereza, zimawongolera pang'onopang'ono kusalala kwa ma microns kapena ma microns (kukwaniritsa miyezo yolimba ngati ASME B89.3.7 kapena ISO 8512). Kulondola komwe kumapezeka pano sikukhudza makinawo komanso luso la wogwiritsa ntchito, lomwe timaliwona ngati luso lofunikira, losasinthika.

Gawo 2: Kusamalira—Mfungulo Yosaneneka

Chophimba cha granite ndi chida cholondola, osati benchi yogwirira ntchito. Ikatsimikiziridwa, kuthekera kwake kusunga zolondola kumadalira kwathunthu ma protocol ndi chilengedwe.

Kuwongolera zachilengedwe ndiye chinthu chimodzi chachikulu chomwe chimakhudza kulondola kwa granite. Ngakhale miyala ya granite ili ndi coefficient yotsika ya kukula kwa matenthedwe (COE), kusiyana kwa kutentha pakati pa pamwamba ndi pansi (kutentha kwapakati) kungapangitse kuti slab yonse ikhale dome kapena kupindika. Chifukwa chake, mbaleyo iyenera kusungidwa kutali ndi kuwala kwa dzuwa, ma air conditioners, ndi kutentha kwakukulu. Malo abwino amasunga 68 ° F ± 1 ° F (20 ℃ ± 0.5 ℃).

Pankhani ya Kugwiritsa Ntchito ndi Kuyeretsa Protocol, kugwiritsidwa ntchito kosalekeza komwe kumayambitsa kumapangitsa kuvala kosagwirizana. Kuti tithane ndi izi, timalangiza nthawi ndi nthawi kuzungulira slab pamalo ake ndikugawa ntchito yoyezera padziko lonse lapansi. Kuyeretsa pafupipafupi ndikofunikira. Fumbi ndi zinyalala zabwino zimakhala ngati abrasives, kufulumizitsa kuvala. Zoyeretsa zapadera za granite, kapena high-purity isopropyl alcohol, ziyenera kugwiritsidwa ntchito. Musagwiritse ntchito zotsukira zapakhomo kapena zotsukira m'madzi zomwe zimatha kusiya zotsalira zomata kapena, ngati kuli madzi, kuzizira kwakanthawi ndikusokoneza pamwamba. Pamene mbale ili yopanda ntchito, iyenera kuphimbidwa ndi chivundikiro choyera, chofewa, chosasokoneza.

Pomaliza, ponena za Kukonzanso ndi Kukonzanso, ngakhale ndi chisamaliro changwiro, kuvala sikungalephereke. Kutengera giredi yogwiritsiridwa ntchito (mwachitsanzo, Giredi AA, A, kapena B) ndi kuchuluka kwa ntchito, mbale ya granite iyenera kusinthidwa mwalamulo miyezi 6 mpaka 36 iliyonse. Katswiri wovomerezeka amagwiritsa ntchito zida monga ma autocollimators kapena laser interferometers kuti apangire mapu opotoka. Ngati mbaleyo igwera kunja kwa kalasi yake yololera, ZHHIMG imaperekanso ntchito zaukadaulo. Izi zikuphatikizapo kubweretsa lapu yolondola pamalopo kapena kumalo athu kuti tibwezeretse mosamala kutsetsereka kotsimikizika koyambirira, ndikukhazikitsanso moyo wa chida.

Pomvetsetsa momwe masitepe apamwamba amapangidwira ndikudzipereka ku dongosolo lokonzekera bwino, ogwiritsa ntchito amatha kuonetsetsa kuti mbale zawo za granite zimakhalabe maziko odalirika pazofuna zawo zonse zolondola, zaka khumi pambuyo pa zaka khumi.