[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/tobonet.cz\/k-cemu-upotrebite-sinusove-pravitko\/#Article","mainEntityOfPage":"https:\/\/tobonet.cz\/k-cemu-upotrebite-sinusove-pravitko\/","headline":"K \u010demu upot\u0159eb\u00edte sinusov\u00e9 prav\u00edtko","name":"K \u010demu upot\u0159eb\u00edte sinusov\u00e9 prav\u00edtko","description":"Kontrola a m\u011b\u0159en\u00ed je sou\u010d\u00e1st stroj\u00edrensk\u00e9 praxe a tomuto oboru se v\u011bnuj\u00ed i p\u0159edm\u011bty na st\u0159edn\u00edch \u0161kol\u00e1ch stroj\u00edrensk\u00e9ho zam\u011b\u0159en\u00ed. M\u016f\u017eete se tam setkat i s…","datePublished":"2024-04-17","dateModified":"2024-04-17","author":{"@type":"Person","@id":"https:\/\/tobonet.cz\/author\/#Person","name":"","url":"https:\/\/tobonet.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/2d2e3fdaba6370eba756fb4048c695326686ff29010a0df4d58b27c20544521d?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/2d2e3fdaba6370eba756fb4048c695326686ff29010a0df4d58b27c20544521d?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"tobonet.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/tobonet.cz\/wp-content\/uploads\/metal-444497_640_1.jpg","url":"https:\/\/tobonet.cz\/wp-content\/uploads\/metal-444497_640_1.jpg","height":0,"width":0},"url":"https:\/\/tobonet.cz\/k-cemu-upotrebite-sinusove-pravitko\/","about":["Produkty"],"wordCount":413,"articleBody":"        Kontrola a m\u011b\u0159en\u00ed je sou\u010d\u00e1st stroj\u00edrensk\u00e9 praxe a tomuto oboru se v\u011bnuj\u00ed i p\u0159edm\u011bty na st\u0159edn\u00edch \u0161kol\u00e1ch stroj\u00edrensk\u00e9ho zam\u011b\u0159en\u00ed. M\u016f\u017eete se tam setkat i s jedn\u00edm zaj\u00edmav\u00fdm m\u011b\u0159idlem. \u0158\u00edk\u00e1 v\u00e1m n\u011bco n\u00e1zev \u201esinusov\u00e9 prav\u00edtko\u201c? Kdo se nepohybuje ve stroj\u00edrenstv\u00ed, pravd\u011bpodobn\u011b nikdy o n\u011b\u010dem takov\u00e9m nesly\u0161el. Tak tedy jde o velmi sv\u00e9r\u00e1zn\u00fd, ale neoby\u010dejn\u011b  https:\/\/slideslive.com\/38901771\/o-vecech-neobycejne-obycejnych p\u0159esn\u00fd m\u011b\u0159ic\u00ed apar\u00e1t pro nep\u0159\u00edm\u00e9 m\u011b\u0159en\u00ed \u00fahl\u016f zkosen\u00fdch rovn\u00fdch nebo ku\u017eelov\u00fdch ploch r\u016fzn\u00fdch obrobk\u016f. M\u011b\u0159en\u00ed prob\u00edh\u00e1 tak, \u017ee se m\u011b\u0159en\u00fd p\u0159edm\u011bt (obrobek) upne mezi dva hroty, sinusov\u00e9 prav\u00edtko se polo\u017e\u00ed na dokonale hladkou, p\u0159esnou a rovnou m\u011brnou desku, a postupn\u011b se pod jednu stranu sinusov\u00e9ho prav\u00edtka podkl\u00e1daj\u00ed kontroln\u00ed m\u011brky, dokud ukazatel na cifern\u00edku nevykazuje nulovou odchylku. Na z\u00e1v\u011br se zm\u011b\u0159\u00ed tlou\u0161\u0165ka podkl\u00e1dan\u00fdch m\u011brek a tato hodnota se pak pou\u017eije pro nep\u0159\u00edm\u00fd v\u00fdpo\u010det m\u011b\u0159en\u00e9ho \u010di kontrolovan\u00e9ho \u00fahlu.M\u011b\u0159en\u00ed je velice p\u0159esn\u00e9Kdybyste cht\u011bli odhadnout alespo\u0148 p\u0159ibli\u017en\u011b, jak\u00fd \u00fahel zauj\u00edm\u00e1 n\u011bjak\u00fd obrobek v jeho ku\u017eelov\u00e9 \u010d\u00e1sti, bude v\u00e1m na to sta\u010dit docela oby\u010dejn\u00fd \u00fahlom\u011br, ale jestli\u017ee pot\u0159ebujete m\u011b\u0159it v\u00fdrobek s velkou p\u0159esnost\u00ed, neexistuje p\u0159esn\u011bj\u0161\u00ed m\u011b\u0159idlo, ne\u017e sinusov\u00e9 prav\u00edtko. Jeho p\u0159esnost lze stanovit nikoli jen na \u00fahlov\u00e9 stupn\u011b, ale na \u00fahlov\u00e9 minuty. Toto je z\u00e1sadn\u00ed pro v\u00fdrobu strojn\u00edch sou\u010d\u00e1st\u00ed n\u011bkter\u00fdch pohybliv\u00fdch \u010d\u00e1st\u00ed stroj\u016f a za\u0159\u00edzen\u00ed u dopravn\u00edch prost\u0159edk\u016f, v\u00fdrobn\u00edch stroj\u016f a mechanism\u016f a mnoha jin\u00fdch v\u00fdrobk\u016f na strojn\u00ed b\u00e1zi.P\u0159esn\u00e9 brou\u0161en\u00ed na strojn\u00edch brusk\u00e1chVyu\u017eit\u00ed sinusov\u00e9ho prav\u00edtka v praxi je velmi rozmanit\u00e9 a jednou z mo\u017enost\u00ed, kde se stroja\u0159\u016fm m\u016f\u017ee hodit, je m\u011b\u0159en\u00ed, respektive p\u0159esn\u00e9 nastaven\u00ed \u00fahlu p\u0159i strojn\u00edm brou\u0161en\u00ed obrobku \u010di n\u00e1stroje. Bruska je velmi p\u0159esn\u00fd obr\u00e1b\u011bc\u00ed stroj, a je-li zapot\u0159eb\u00ed m\u00edt nejen po\u017eadovan\u00e9 rozm\u011bry samotn\u00e9ho obrobku, ale i hladk\u00fd povrch a precizn\u011b stanoven\u00fd \u00fahel zkosen\u00e9 \u010d\u00e1sti, nastav\u00ed se \u00fahel obr\u00e1b\u011bn\u00ed v\u00fdpo\u010dtem dle sinusov\u00e9ho prav\u00edtka.                                                                                                                                                                                                                                                                                                                                                                                                  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