{"version":"1.0","provider_name":"Verenfabriek Tevema","provider_url":"https:\/\/www.tevema.com\/cs\/","author_name":"De Web Developer","author_url":"https:\/\/www.tevema.com\/cs\/author\/de-web-developer\/","title":"\u010casto kladen\u00e9 dotazy Torzn\u00ed pru\u017einy - Verenfabriek Tevema","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"Y305me9UPw\"><a href=\"https:\/\/www.tevema.com\/cs\/casto-kladene-dotazy-torzni-pruziny\/\">\u010casto kladen\u00e9 dotazy Torzn\u00ed pru\u017einy<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.tevema.com\/cs\/casto-kladene-dotazy-torzni-pruziny\/embed\/#?secret=Y305me9UPw\" width=\"600\" height=\"338\" title=\"&#8222;\u010casto kladen\u00e9 dotazy Torzn\u00ed pru\u017einy&#8220; &#8212; Verenfabriek Tevema\" data-secret=\"Y305me9UPw\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.tevema.com\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"\u010casto kladen\u00e9 dotazy Torzn\u00ed pru\u017einy Od jak\u00e9 tlou\u0161\u0165ky dr\u00e1tu jsou k dispozici torzn\u00ed pru\u017einy? Na\u0161e stroje vyr\u00e1b\u011bj\u00ed pln\u011b automatick\u00e9 (dvojit\u011b vinut\u00e9) torzn\u00ed pru\u017einy od 0,4 mm. Jak\u00e9 jsou typy torzn\u00edch pru\u017ein? Torzn\u00ed pru\u017einy jsou dvou typ\u016f: Jednokotou\u010dov\u00e9 zkrutn\u00e9 pru\u017einy Dvojit\u011b vinut\u00e9 zkrutn\u00e9 pru\u017einy. Torzn\u00ed pru\u017einy s dvojit\u00fdm vinut\u00edm maj\u00ed &#8220;m\u016fstek&#8221;, kter\u00fd zhruba spojuje dv\u011b torzn\u00ed pru\u017einy s jedn\u00edm vinut\u00edm. Torzn\u00ed pru\u017einy lze d\u00e1le zam\u011b\u0159it na konce. Jak\u00e9 jsou parametry dvojit\u011b vinut\u00fdch torzn\u00edch pru\u017ein? Dvojit\u011b vinut\u00e9 zkrutn\u00e9 pru\u017einy maj\u00ed n\u00e1sleduj\u00edc\u00ed parametry: Parametr V\u00fdznam d Tlou\u0161\u0165ka dr\u00e1tu Di Vnit\u0159n\u00ed pr\u016fm\u011br Nw Aktivn\u00ed vinut\u00ed a D\u00e9lka p\u0159evodu b D\u00e9lka r\u00e1mu c \u0160\u00ed\u0159ka r\u00e1mu Lo D\u00e9lka v nenapjat\u00e9m stavuww Mn Maxim\u00e1ln\u00ed p\u0159\u00edpustn\u00e9 zkroucen\u00ed v Moment Newton C Nmm\/\u00b0 Jarn\u00ed konstanta a\u00b0 \u00dahlov\u00e1 rotace p\u0159i Mn Jak\u00e9 jsou parametry torzn\u00edch pru\u017ein? Torzn\u00ed pru\u017einy maj\u00ed n\u00e1sleduj\u00edc\u00ed parametry: Parametr V\u00fdznam d Tlou\u0161\u0165ka dr\u00e1tu Dm Pr\u016fm\u011br od st\u0159edu ke st\u0159edu (Di+d) Di Vnit\u0159n\u00ed pr\u016fm\u011br Du Vn\u011bj\u0161\u00ed pr\u016fm\u011br N Po\u010det vinut\u00ed Lo D\u00e9lka bez omezen\u00ed a\u00b0 Max. \u00dahlov\u00e9 nato\u010den\u00ed (stupn\u011b) p\u0159i Mn Nmm Mn Nmm Maxim\u00e1ln\u00ed po\u010det newton\u016f p\u0159i a\u00b0 M Moment R D\u00e9lka k m\u00edstu z\u00e1sahu F S\u00edla v newtonech A D\u00e9lka p\u0159evodu Lo se rovn\u00e1 N+1 x d Dm se rovn\u00e1 ( Di + Du ) \/ 2 Moment se rovn\u00e1 R x F Jak po\u010d\u00edt\u00e1te s hroty na torzn\u00edch pru\u017ein\u00e1ch? Jako p\u0159\u00edklad lze uv\u00e9st model TS103020L. Konstanta pru\u017einy je 95,86 C (N mm\/0. Maxim\u00e1ln\u00ed nato\u010den\u00ed je 70 stup\u0148\u016f. To znamen\u00e1, \u017ee maxim\u00e1ln\u00ed po\u010det Newton\u016f je 6 710,2 momentu. (70 * 95.86). Tato torzn\u00ed pru\u017eina m\u00e1 zdvih 90 mm. P\u0159i maxim\u00e1ln\u00edm kroutic\u00edm momentu je u t\u00e9to p\u00e1ky maxim\u00e1ln\u00ed Newton, kter\u00fd sed\u00ed na konci p\u00e1ky, 74,55 Newtonu, co\u017e je (6 710 \/ 90). Na pohrab\u00e1\u010di je tedy tlak 7,6 kg. Jak funguje p\u00e1ka torzn\u00ed pru\u017einy? Tah torzn\u00ed pru\u017einy je p\u00e1kou. Poker tak poskytuje p\u00e1kov\u00fd efekt. P\u00e1kov\u00fd efekt vlastn\u011b \u0159\u00edk\u00e1, \u017ee \u010d\u00edm del\u0161\u00ed je p\u00e1ka, t\u00edm men\u0161\u00ed s\u00edla je pot\u0159eba k ot\u00e1\u010den\u00ed torzn\u00ed pru\u017einy. P\u00e1kov\u00fd efekt se uplat\u0148uje p\u0159i p\u016fsoben\u00ed s\u00edly na torzn\u00ed pru\u017einu. Co se stane, kdy\u017e vym\u011bn\u00edm hroty na torzn\u00edch pru\u017ein\u00e1ch? Krat\u0161\u00ed pohrab\u00e1\u010d na torzn\u00ed pru\u017ein\u011b: Pokud zkr\u00e1t\u00edte p\u00e1ku torzn\u00ed pru\u017einy, sn\u00ed\u017e\u00edte t\u00edm tuhost pru\u017einy. Krat\u0161\u00ed \u0161\u0165ouchnut\u00ed vy\u017eaduje v\u011bt\u0161\u00ed s\u00edlu k ohnut\u00ed pru\u017einy. Nap\u0159\u00edklad p\u0159i zkr\u00e1cen\u00ed p\u00e1ky o 40 mm je p\u0159i tomto zakulacen\u00ed pru\u017einy zapot\u0159eb\u00ed o 31 stup\u0148\u016f men\u0161\u00ed s\u00edly. Del\u0161\u00ed pohrab\u00e1\u010d na torzn\u00ed pru\u017ein\u011b: Pokud prodlou\u017e\u00edte p\u00e1ku torzn\u00ed pru\u017einy, zv\u00fd\u0161\u00edte t\u00edm tuhost pru\u017einy. Del\u0161\u00ed pohrab\u00e1\u010d zaji\u0161\u0165uje, \u017ee k ohnut\u00ed pru\u017einy je zapot\u0159eb\u00ed men\u0161\u00ed s\u00edly. P\u0159\u00edklad: prodlou\u017een\u00ed p\u00e1ky na pru\u017ein\u011b o 30 mm zp\u016fsob\u00ed, \u017ee konstanta pru\u017einy se zv\u00fd\u0161\u00ed o 31,94 C (N mm\/&#8217;). Kter\u00e9 konce maj\u00ed zkrutn\u00e9 pru\u017einy? Existuj\u00ed r\u016fzn\u00e9 typy zkrutn\u00fdch pru\u017ein, nej\u010dast\u011bji se rozli\u0161uj\u00ed zkrutn\u00e9 pru\u017einy s dvojit\u00fdm vinut\u00edm a zkrutn\u00e9 pru\u017einy s jednoduch\u00fdm vinut\u00edm. Krom\u011b toho maj\u00ed torzn\u00ed pru\u017einy r\u016fzn\u00e9 konce v z\u00e1vislosti na pou\u017eit\u00ed. Koncovky jsou pou\u017eiteln\u00e9 pro jedno- i dvouvinu\u0165ov\u00e9 torzn\u00ed pru\u017einy. Torzn\u00ed pru\u017einy se zahnut\u00fdmi konci Torzn\u00ed pru\u017einy se zkroucen\u00fdmi konci Torzn\u00ed pru\u017einy s h\u00e1ky P\u0159izp\u016fsoben\u00e9 konce torzn\u00edch pru\u017ein."}