[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.venefica.cz\/k-cemu-potrebujete-trapezovy-zavitnik\/#Article","mainEntityOfPage":"https:\/\/www.venefica.cz\/k-cemu-potrebujete-trapezovy-zavitnik\/","headline":"K \u010demu pot\u0159ebujete trap\u00e9zov\u00fd z\u00e1vitn\u00edk","name":"K \u010demu pot\u0159ebujete trap\u00e9zov\u00fd z\u00e1vitn\u00edk","description":"Z\u00e1vit je jeden z nejd\u016fle\u017eit\u011bj\u0161\u00edch a ne\u010dast\u011bj\u0161\u00edch stroj\u00edrensk\u00fdch prvk\u016f, setk\u00e1v\u00e1me se s n\u00edm doslova na ka\u017ed\u00e9m kroku. Bez z\u00e1vit\u016f bychom st\u00e1le jezdili na kon\u00edch a na d\u0159ev\u011bn\u00fdch povozech, neznali bychom letadla, automobily, modern\u00ed lodn\u00ed dopravu a pravd\u011bpodobn\u011b by neexistoval ani Internet. Z\u00e1vit\u016f existuje v\u00edce typ\u016f, n\u011bkter\u00e9 jsou velmi \u010dast\u00e9, jin\u00e9","datePublished":"2022-04-13","dateModified":"2023-05-06","author":{"@type":"Person","@id":"https:\/\/www.venefica.cz\/author\/#Person","name":"","url":"https:\/\/www.venefica.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/7b822bed19dfbc78d1cf42b3649cc2489d12c54b7aef64ae719c01ed9f13d563?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/7b822bed19dfbc78d1cf42b3649cc2489d12c54b7aef64ae719c01ed9f13d563?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"venefica.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.venefica.cz\/wp-content\/uploads\/screws-4189366_640.jpg","url":"https:\/\/www.venefica.cz\/wp-content\/uploads\/screws-4189366_640.jpg","height":0,"width":0},"url":"https:\/\/www.venefica.cz\/k-cemu-potrebujete-trapezovy-zavitnik\/","about":["Slu\u017eby"],"wordCount":399,"articleBody":"   Z\u00e1vit je jeden z nejd\u016fle\u017eit\u011bj\u0161\u00edch a ne\u010dast\u011bj\u0161\u00edch stroj\u00edrensk\u00fdch prvk\u016f, setk\u00e1v\u00e1me se s n\u00edm doslova na ka\u017ed\u00e9m kroku. Bez z\u00e1vit\u016f bychom st\u00e1le jezdili na kon\u00edch a na d\u0159ev\u011bn\u00fdch povozech, neznali bychom letadla, automobily, modern\u00ed lodn\u00ed dopravu a pravd\u011bpodobn\u011b by neexistoval ani Internet. Z\u00e1vit\u016f existuje v\u00edce typ\u016f, n\u011bkter\u00e9 jsou velmi \u010dast\u00e9, jin\u00e9 se vyu\u017e\u00edvaj\u00ed pouze na specifick\u00e9 z\u00e1le\u017eitosti. K tomu, abychom z\u00e1vit mohli vyrobit, pot\u0159ebujeme z\u00e1vitn\u00edk nebo z\u00e1vito\u0159ezn\u00e9 \u201eo\u010dko\u201c.Metrick\u00fd z\u00e1vitNej\u010dast\u011bji pou\u017e\u00edvan\u00fd typ z\u00e1vitu, kter\u00fd znaj\u00ed snad v\u0161ichni. Pravd\u011bpodobn\u011b se nenajde dom\u00e1cnost, kde by nebyl alespo\u0148 jeden \u0161roube\u010dek s metrick\u00fdm z\u00e1vitem. Budete je m\u00edt v dom\u00e1c\u00edch spot\u0159ebi\u010d\u00edch, na kole, v automobilu, v d\u00edln\u011b, bude sou\u010d\u00e1st\u00ed n\u00e1bytku, sportovn\u00edch pot\u0159eb a hra\u010dek. Metrick\u00fd z\u00e1vit lze vy\u0159ez\u00e1vat strojn\u00edmi \u010di ru\u010dn\u00edmi z\u00e1vitn\u00edky, z\u00e1vit je v pr\u016f\u0159ezu troj\u00faheln\u00edk, s vrcholov\u00fdm \u00fahlem 55 stup\u0148\u016f.M\u00e9n\u011b zn\u00e1m\u00fd a u n\u00e1s m\u00e9n\u011b \u010dasto vyu\u017e\u00edvan\u00fd z\u00e1vit podobn\u00fd metrick\u00e9mu, je Whitworth\u016fv, vypad\u00e1 podobn\u011b, jen je vrcholov\u00fd \u00fahel z\u00e1vitu 60 stup\u0148\u016f. Whitworth\u016fv z\u00e1vit je roz\u0161\u00ed\u0159en\u00fd v anglosask\u00fdch zem\u00edch, nap\u0159. ve velk\u00e9 Brit\u00e1nii, v Austr\u00e1lii, na Nov\u00e9m Z\u00e9landu a ve Spojen\u00fdch st\u00e1tech.Lichob\u011b\u017en\u00edkov\u00fd rovnoramenn\u00fd neboli trap\u00e9zov\u00fd z\u00e1vitTento druh z\u00e1vitu m\u00e1 profil ve tvaru rovnoramenn\u00e9ho lichob\u011b\u017en\u00edku, p\u0159\u00edpadn\u011b nerovnoramenn\u00e9ho s vrcholov\u00fdm \u00fahlem 30 + 20 stup\u0148\u016f (z ka\u017ed\u00e9 strany stoup\u00e1n\u00ed je jin\u00fd \u00fahel). T\u00edm, \u017ee profil nen\u00ed troj\u00faheln\u00edk, je z\u00e1vitov\u00fd spoj snadno uvolniteln\u00fd a lehce posuvn\u00fd s vynalo\u017een\u00edm minim\u00e1ln\u00ed s\u00edly. Proto se vyu\u017e\u00edv\u00e1 k r\u016fzn\u00fdm strojn\u00edm mechanism\u016fm k jejich pohybu, nap\u0159. pro posuv hydraulick\u00e9ho zved\u00e1ku, ru\u010dn\u00edho \u0161roubov\u00e9ho lisu, pro strojn\u00ed vodorovn\u00fd support atp.Rovnoramenn\u00e9mu lichob\u011b\u017en\u00edku profilu z\u00e1vitu se tak\u00e9 p\u0159ezd\u00edv\u00e1 \u201etrap\u00e9zov\u00fd z\u00e1vit\u201c. Tento n\u00e1zev se v\u017eil i pro v\u00fdrobu n\u00e1stroj\u016f pro vy\u0159ez\u00e1v\u00e1n\u00ed z\u00e1vit\u016f \u2013 pro trap\u00e9zov\u00e9 z\u00e1vitn\u00edky.                                                                                                                                                                                                                                                                                                                                                                                          3.9\/5 - (7 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"K \u010demu pot\u0159ebujete trap\u00e9zov\u00fd z\u00e1vitn\u00edk","item":"https:\/\/www.venefica.cz\/k-cemu-potrebujete-trapezovy-zavitnik\/#breadcrumbitem"}]}]