Awọn faili irin tabi irin rasp

irin rasp Classification

Awọn faili irin le pin ni aijọju si awọn ẹka mẹta: awọn faili lasan, awọn faili pataki, awọn faili abẹrẹ ti n ṣe apẹrẹ;

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Awọn oriṣi faili ti o wọpọ

Awọn faili irin tabi irin rasp

Itan

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.

Awọn faili deede le pin si awọn oriṣi marun ti o da lori apẹrẹ ti apakan-agbelebu faili: awọn faili alapin, awọn faili onigun mẹrin, awọn faili onigun mẹta, awọn faili ologbele-ipin, ati awọn faili yika. Awọn faili alapin ni a lo lati ṣe faili alapin, ipin ita, ati awọn oju-ọrun alapin; Faili onigun mẹrin ni a lo lati ṣajọ awọn ihò onigun mẹrin, awọn ihò onigun, ati awọn aaye tooro; Faili onigun mẹta kan ni a lo lati ṣe faili awọn igun inu, awọn ihò onigun mẹta, ati awọn ipele alapin; Awọn faili iyipo idaji ni a lo lati ṣe faili awọn ipele ti o tẹ concave ati awọn ipele alapin;

Faili yika ni a lo lati ṣajọ awọn ihò yika, awọn aaye ti o tẹ concave ti o kere ju, ati awọn ipele elliptical. Awọn faili pataki ni a lo lati faili awọn aaye pataki ti awọn ẹya, ati pe awọn oriṣi meji wa: taara ati te;

Faili apẹrẹ (awọn faili abẹrẹ) dara fun atunṣe awọn ẹya kekere ti awọn iṣẹ-ṣiṣe, ati pe ọpọlọpọ awọn eto ti awọn faili wa pẹlu ọpọlọpọ awọn apẹrẹ apakan-agbelebu.

Ifihan si idaji-yika awọn faili

Awọn faili idaji-yika

A pese agbejoro ni gbogbo iru awọn faili irin & rasps & awọn faili diamond ati awọn faili abẹrẹ. awọn faili irin carbon giga, 4 "-18" gige meji (ge: bastard, keji, dan).

Faili idaji-yika jẹ iru ọpa ọwọ ti a lo fun sisọ, didan, ati sisọ awọn ohun elo bii irin ati igi. Ijọpọ ti ẹgbẹ alapin ati ẹgbẹ yika tumọ si pe faili idaji-yika jẹ apẹrẹ fun lilo lori concave, convex, ati awọn ipele alapin ti o jẹ ki o jẹ ohun elo ti o wapọ pupọ.

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