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

Nhoroondo

Early filing or rasping has prehistoric roots and grew naturally out of the blending of the twin inspirations of cutting with stone cutting tools (such as hand axes) and abrading using natural abrasives, such as well-suited types of stone (for example, sandstone).Relatedly, lapping is also quite ancient, with wood and beach sand offering a natural pair of lap and lapping compound. The Disston authors state, "To abrade, or file, ancient man used sand, grit, coral, bone, fish skin, and gritty woods,—also stone of varying hardness in connection with sand and water."

The Bronze Age and the Iron Age had various kinds of files and rasps. Archaeologists have discovered rasps made from bronze in Egypt, dating back to the years 1200–1000 BC. Archaeologists have also discovered rasps made of iron used by the Assyrians, dating back to the 7th 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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