Simbi mafaira kana simbi rasp

simbi rasp Classification

Mafaira esimbi anogona kukamurwa kuita zvikamu zvitatu: akajairwa mafaera, akakosha mafaera, kuumba mafaera etsono;

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Common mafaira marudzi

Simbi mafaira kana simbi rasp

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Kufaya kwekutanga kana kurasira kune prehistoric midzi uye kwakakura zvakasikwa kubva mukusanganiswa kwemapatya kufemerwa kwekucheka nematombo ekucheka maturusi (akadai semasanhu emaoko) uye kubvongodza uchishandisa abrasives echisikigo, akadai semhando dzakakwana dzematombo (semuenzaniso, sandstone) .Nechekuita, kupeta kunenge kuchinyakare zvakare, nehuni nejecha remahombekombe zvinopa peya yechisikigo yemakumbo nemakumbo. Vanyori veDisston vanoti, "Kubvisa, kana faira, murume wekare akashandisa jecha, grit, coral, bone, ganda rehove, uye gritty woods, -uyewo dombo rekuoma kwakasiyana maererano nejecha nemvura."

Iyo Bronze Age uye Iron Age yaive nemhando dzakasiyana dzemafaira uye rasp. Vanochera matongo vakawana rasp akagadzirwa kubva kubhuronzi kuEgypt, anotangira kumakore 1200–1000 BC. Vanochera matongo vakawanawo rasp yakagadzirwa nesimbi yakashandiswa nevaAsiriya, inotangira ku7th Century BC.

Mafaira akajairwa anogona kupatsanurwa mumhando shanu zvichienderana nechimiro chefaira muchinjiko-chikamu: mafaera akafuratira, masikweya mafaera, matatu mafaera, semi-denderedzwa mafaera, uye mafaera akatenderera. Mafaera akafuratira anoshandiswa kufaira akati sandara, ekunze denderedzwa, uye akakombama; A square faira rinoshandiswa kufaira masikweya makomba, rectangular makomba, uye nhete nzvimbo; faira reTriangle rinoshandiswa kuisa makona emukati, maburi matatu, uye nzvimbo dzakati sandarara; Mafaera ehafu yakatenderedzwa anoshandiswa kuisa maconcave curved surfaces uye flat surfaces;

Iro faira rakatenderedzwa rinoshandiswa kuisa makomba akatenderera, madiki akakomberedzwa akakomberedzwa, uye elliptical nzvimbo. Mafaira anokosha anoshandiswa kuisa mapeji akakosha ezvikamu, uye kune marudzi maviri: akatwasuka uye akakombama;

Shaping faira ( tsono mafaira) akakodzera kugadzirisa zvidimbu zvidiki zvebasa, uye kune akawanda seti emafaira ane akasiyana-siyana emuchinjika-chikamu maumbirwo.

Nhanganyaya kune hafu-kutenderera mafaira

Hafu-yakapoteredza mafaira

Isu tinopa nehunyanzvi marudzi ese emafaira esimbi & rasps & mafaira edhaimani uye mafaira etsono.high carbon steel mafaira,4"-18" double cut (cut: bastard, second, smooth).

A half-round faira imhando yechishandiso chemaoko chinoshandiswa pakubvisa, kutsvedzerera, uye kugadzira zvinhu zvakasiyana-siyana zvakaita sesimbi nehuni. Kusanganiswa kwedivi rakati sandara nedivi rakatenderedzwa zvinoreva kuti hafu-yakatenderedzwa faira rakanakira kushandiswa pane concave, convex, uye nzvimbo yakati sandara zvichiita kuti rive chishandiso chinogoneka.

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