{"id":395,"date":"2018-05-15T14:18:18","date_gmt":"2018-05-15T12:18:18","guid":{"rendered":"http:\/\/www.redies.com\/web\/?page_id=395"},"modified":"2019-01-31T00:56:24","modified_gmt":"2019-01-30T23:56:24","slug":"elongation-set","status":"publish","type":"page","link":"https:\/\/www.redies.com\/web\/en\/elongation-set\/","title":{"rendered":"Elongation set"},"content":{"rendered":"<div class=\"elongation\"><p><strong>Elongation set<\/strong><br \/>\r\n <br \/>\r\n Standard tolerances (see: Natural diamonds, Techn. spec.) are based on the postulation that in relation to the theoretical wire elongation<br \/>\r\n <br \/>\r\n 1 % of deviation in Diameter or <br \/>\r\n 2 % of deviation in Elongation<br \/>\r\n <br \/>\r\n can be &#8222;tolerated&#8220;. Either by slippage of the wire on the drawing cones resp. rings or by the &#8222;good nature&#8220; of the material to be drawn.<\/p>\r\n<p>But in contrary conditions this could lead to 5 % deviation in elongation. In the diameter range below 0,1 mm and with multi-wire drawing machines this is too unprecise. Fouling or breakage of the wire can occur.<br \/>\r\n <br \/>\r\n To prevent this we at REDIES apply 3 different manufacturing methods for making die sets:<br \/>\r\n <br \/>\r\n <br \/>\r\n <strong>1. Wire elongation (conventional method)<\/strong><br \/>\r\n <br \/>\r\n Sets are manufactured (or repolished) with the maximum deviation in elongation of +\/- 1 %. <br \/>\r\n Beginning with the biggest diameter die after die is polished &#8222;into the tolerance&#8220;. Wire elongation is repeatedly controlled by wire elongation measuring machine.<\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-143\" src=\"https:\/\/www.redies.com\/web\/wp-content\/uploads\/2017\/11\/elongation0.jpg\" alt=\"\" width=\"750\" height=\"500\" srcset=\"https:\/\/www.redies.com\/web\/wp-content\/uploads\/2017\/11\/elongation0.jpg 750w, https:\/\/www.redies.com\/web\/wp-content\/uploads\/2017\/11\/elongation0-300x200.jpg 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><br \/>\r\n Checking the wire-elongation<br \/>\r\n <br \/>\r\n This method is very precise but time consumptive and requires a surcharge.<\/p>\r\n<p>&nbsp;<\/p>\r\n<p><strong>2. Method of half the standard tolerance<\/strong><\/p>\r\n<p>Application of micro-scales (cutting a certain length of Wo- or Cu-wire) or laser micrometer measuring permits a 50 % reduction of the standard tolerance.<\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-144\" src=\"https:\/\/www.redies.com\/web\/wp-content\/uploads\/2017\/11\/elongation1.gif\" alt=\"\" width=\"750\" height=\"766\" \/><br \/>\r\nDies can be produced in batches. This method is less time consumptive than the conventional wire elongation method but almost as reliable.<\/p>\r\n<p><strong>3. REDIES Matrix Method<\/strong><\/p>\r\n<p>Especially for the manufacturing and repolishing of sets for multi-wire drawing machines.<\/p>\r\n<p>Initially the dies are manufactured (repolished) by the method of the reduced tolerance into the lower tolerance range.<\/p>\r\n<p>After this the dies are sorted in a matrix<\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-145\" src=\"https:\/\/www.redies.com\/web\/wp-content\/uploads\/2017\/11\/elongation2.gif\" alt=\"\" width=\"750\" height=\"349\" \/><\/p>\r\n<p>Final dies horizontally beginning with the smallest actual dimension to the left&#8230;.<br \/>\r\nbiggest to the right.<\/p>\r\n<p>then<\/p>\r\n<p>Next nominal size beginning with the smallest&#8230;<\/p>\r\n<p>Afterwards dies are compilated according to sets in the vertical<\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-146\" src=\"https:\/\/www.redies.com\/web\/wp-content\/uploads\/2017\/11\/elongation3.gif\" alt=\"\" width=\"750\" height=\"634\" \/><\/p>\r\n<p>Thus more sets in one machine means less deviation from the theoretical wire elongation within the single set.<br \/>\r\nSmall adjustments after measuring the wire elongation can be made easily.<\/p>\r\n<p>Sets are provided with a measuring protocol.<\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-147\" src=\"https:\/\/www.redies.com\/web\/wp-content\/uploads\/2017\/11\/elongation4.gif\" alt=\"\" width=\"750\" height=\"231\" \/><br \/>\r\nStand 01.2010<\/p><\/div>","protected":false},"excerpt":{"rendered":"Elongation set Standard tolerances (see: Natural diamonds, Techn. spec.) are based on the postulation that in relation to the theoretical wire elongation 1 % of deviation in Diameter or 2 % of deviation in Elongation can be &#8222;tolerated&#8220;. Either by slippage of the wire on the drawing cones resp. rings or by the &#8222;good nature&#8220; [&hellip;]","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-395","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.redies.com\/web\/wp-json\/wp\/v2\/pages\/395","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.redies.com\/web\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.redies.com\/web\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.redies.com\/web\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.redies.com\/web\/wp-json\/wp\/v2\/comments?post=395"}],"version-history":[{"count":2,"href":"https:\/\/www.redies.com\/web\/wp-json\/wp\/v2\/pages\/395\/revisions"}],"predecessor-version":[{"id":1011,"href":"https:\/\/www.redies.com\/web\/wp-json\/wp\/v2\/pages\/395\/revisions\/1011"}],"wp:attachment":[{"href":"https:\/\/www.redies.com\/web\/wp-json\/wp\/v2\/media?parent=395"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}