[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.laichman.cz\/k-cemu-strojari-potrebuji-protahovaci-trn\/#Article","mainEntityOfPage":"https:\/\/www.laichman.cz\/k-cemu-strojari-potrebuji-protahovaci-trn\/","headline":"K \u010demu stroja\u0159i pot\u0159ebuj\u00ed protahovac\u00ed trn","name":"K \u010demu stroja\u0159i pot\u0159ebuj\u00ed protahovac\u00ed trn","description":"O existenci protahovac\u00edch trn\u016f https:\/\/www.i-nastroje.cz\/protahovaci-trny dob\u0159e v\u00ed zejm\u00e9na stroja\u0159i. Lid\u00e9, kte\u0159\u00ed se s t\u011bmito n\u00e1stroji nikdy nesetkali, mohou b\u00fdt p\u0159ekvapeni, o\u010d se vlastn\u011b jedn\u00e1, jak se n\u00e1stroj v\u016fbec pou\u017e\u00edv\u00e1 a k \u010demu je dobr\u00fd. Mohli bychom tedy nyn\u00ed t\u011bmto lidem protahovac\u00ed trn alespo\u0148 zevrubn\u011b p\u0159ibl\u00ed\u017eit. Lidov\u011b se mu p\u0159ezd\u00edv\u00e1 \u201eprotahov\u00e1k\u201c. Vyu\u017e\u00edv\u00e1 se jako n\u00e1stroj pro […]","datePublished":"2024-01-14","dateModified":"2024-04-22","author":{"@type":"Person","@id":"https:\/\/www.laichman.cz\/author\/#Person","name":"","url":"https:\/\/www.laichman.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/f677d652d46d6437b40497bee38030612d53a3103b24904f519be33cae485306?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/f677d652d46d6437b40497bee38030612d53a3103b24904f519be33cae485306?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"laichman.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.laichman.cz\/wp-content\/uploads\/rolling-655246_640_2.jpg","url":"https:\/\/www.laichman.cz\/wp-content\/uploads\/rolling-655246_640_2.jpg","height":0,"width":0},"url":"https:\/\/www.laichman.cz\/k-cemu-strojari-potrebuji-protahovaci-trn\/","about":["N\u00e1kupy"],"wordCount":404,"articleBody":"   O existenci protahovac\u00edch trn\u016f https:\/\/www.i-nastroje.cz\/protahovaci-trny dob\u0159e v\u00ed zejm\u00e9na stroja\u0159i. Lid\u00e9, kte\u0159\u00ed se s t\u011bmito n\u00e1stroji nikdy nesetkali, mohou b\u00fdt p\u0159ekvapeni, o\u010d se vlastn\u011b jedn\u00e1, jak se n\u00e1stroj v\u016fbec pou\u017e\u00edv\u00e1 a k \u010demu je dobr\u00fd. Mohli bychom tedy nyn\u00ed t\u011bmto lidem protahovac\u00ed trn alespo\u0148 zevrubn\u011b p\u0159ibl\u00ed\u017eit.Lidov\u011b se mu p\u0159ezd\u00edv\u00e1 \u201eprotahov\u00e1k\u201c. Vyu\u017e\u00edv\u00e1 se jako n\u00e1stroj pro protahov\u00e1n\u00ed otvor\u016f o slo\u017eit\u00e9m vnit\u0159n\u00edm tvaru, kter\u00fd by bylo velmi obt\u00ed\u017en\u00e9 zhotovit jin\u00fdm zp\u016fsobem. Pro va\u0161i p\u0159edstavu to mohou b\u00fdt nap\u0159\u00edklad vnit\u0159n\u00ed ozuben\u00ed, \u0161estihrany, hv\u011bzdicovit\u00e9 tvary s ostr\u00fdmi vnit\u0159n\u00edmi \u00fahly a tak\u00e9 tvary zcela nepravideln\u00e9. Protahovac\u00ed trny se ji\u017e mnoho let s \u00fasp\u011bchem vyu\u017e\u00edvaj\u00ed pro v\u00fdrobu vnit\u0159n\u00edch vlo\u017eek patentn\u00edch dve\u0159n\u00edch z\u00e1mk\u016f, tak\u017ee a\u017e budete strkat kl\u00ed\u010d do z\u00e1mku ve dve\u0159\u00edch a odemykat v\u00e1\u0161 byt nebo d\u016fm, vzpome\u0148te si na protahovac\u00ed trn, kter\u00fd vyr\u00e1b\u011bl i ten v\u00e1\u0161 z\u00e1mek.Protahovac\u00ed trn sest\u00e1v\u00e1 z \u0159ady zub\u016f, kter\u00e9 postupn\u011b odeb\u00edraj\u00ed z obrobku t\u0159\u00edsku, a to tak, \u017ee je ka\u017ed\u00fd zub odstup\u0148ov\u00e1n. Jakmile trn projede v\u0161emi zuby obrobkem, vytvo\u0159\u00ed se fin\u00e1ln\u00ed podoba otvoru podle posledn\u00edho zubu, \u010d\u00edm\u017e je zaru\u010dena p\u0159esnost v\u00fdroby d\u00edky tomu, \u017ee do obr\u00e1b\u011bn\u00ed nevstupuj\u00ed ji\u017e jin\u00e9 n\u00e1stroje a postupy.V t\u00e9to souvislosti v\u00e1s mo\u017en\u00e1 napad\u00e1 my\u0161lenka, \u017ee se protahov\u00e1k uplatn\u00ed zejm\u00e9na ve velkos\u00e9riov\u00e9 v\u00fdrob\u011b, a m\u00e1te pravdu. V\u00fdroba dve\u0159n\u00edch z\u00e1mk\u016f je sama o sob\u011b velkos\u00e9riov\u00e1, ov\u0161em existuje i \u0159ada jin\u00fdch p\u0159\u00edklad\u016f v automobilov\u00e9m \u010di leteck\u00e9m pr\u016fmyslu, p\u0159i v\u00fdrob\u011b dom\u00e1c\u00edch spot\u0159ebi\u010d\u016f, stroj\u016f, n\u00e1\u0159ad\u00ed, sportovn\u00edch pot\u0159eb, hra\u010dek a mnoha dal\u0161\u00edch pr\u016fmyslov\u011b zhotoven\u00fdch v\u00fdrobk\u016f.Protahovac\u00ed trny se nasazuj\u00ed v s\u00e9riov\u00e9 v\u00fdrob\u011b i proto, aby se t\u00edm zaplatila jejich v\u00fdrobn\u00ed cena. Jedn\u00e1 se toti\u017e o velmi specifick\u00e9 n\u00e1stroje, pom\u011brn\u011b drah\u00e9, tak\u017ee zhotovit sadu protahov\u00e1k\u016f v hodnot\u011b dvaceti tis\u00edc korun, aby v\u00e1m vyrobily dv\u011b sou\u010d\u00e1stky do jedin\u00e9ho prototypu leteck\u00e9ho motoru, by se jaksi v\u016fbec nevyplatilo.                                                                                                                                                                                                                                                                                                                                                                                                  "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"K \u010demu stroja\u0159i pot\u0159ebuj\u00ed protahovac\u00ed trn","item":"https:\/\/www.laichman.cz\/k-cemu-strojari-potrebuji-protahovaci-trn\/#breadcrumbitem"}]}]