{"id":299485,"date":"2022-08-03T10:49:45","date_gmt":"2022-08-03T10:49:45","guid":{"rendered":"\/forum\/forums\/topic\/bolts-in-2022r2\/"},"modified":"2022-08-03T10:49:45","modified_gmt":"2022-08-03T14:49:45","slug":"bolts-in-2022r2","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/bolts-in-2022r2\/","title":{"rendered":"Bolts in 2022R2"},"content":{"rendered":"<p> Hi Support,&nbsp; <\/p>\n<p> Few questions on bolts in the 2022R2 release. <\/p>\n<p> The new Assign tool allows you to apply bolts to your models automatically.&nbsp; <\/p>\n<p> In the below image it mentions &#8216;Automatic pre tensioning&#8217; what does this mean?&nbsp; <\/p>\n<p> If I then add a pre Bolt preload is this automatic pre tensioning ignored? Just wondering if it will then overtighten if it is not? <\/p>\n<p> With the Bolt Pre Load you can specify a &#8216;Torque&#8217; value. I presume this is the torque required to tighten the bolt? <\/p>\n<p> It mentions torque co-efficient is this friction co-efficient and the table in this document could be used as a rough guide &#8211; (Link removed due to Forum posting guidelines) <\/p>\n<p> If you have used the Bolt tool to assign bolts it automatically allows you to search for similar holes.&nbsp; <\/p>\n<p> In the image circled it says you can do this for adding preloads? <\/p>\n<p> Edit: Worked this out all the bolts can be selected in the structure tree to allow preload to be applied to all without having to go through manually one by one. <\/p>\n<p> Last question is on washers. When using the bolt tool it gives a defaults washer &#8216;head&#8217; diameter which cannot be changed. If I was using a larger washer I may see different results in reality as a load maybe more spread. Do you have any thoughts on this or is that even if we could change the size it would not effect the results seen? <\/p>\n<p style=\"text-align:left\"> <img decoding=\"async\" alt=\"\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/05\/547_g9hw434-0.png\" width=\"414\"> <\/p>\n<p style=\"text-align:left\"> <img decoding=\"async\" alt=\"\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/05\/547_g9hw434-1.png\" width=\"838\"> <\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align:left\"> <img decoding=\"async\" alt=\"\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/05\/547_g9hw434-2.png\" width=\"724\"> <\/p>\n","protected":false},"template":"","class_list":["post-299485","topic","type-topic","status-closed","hentry","topic-tag-ansys-discovery"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["26681"],"_btv_view_count":["673"],"_bbp_likes_count":["0"],"_bbpmt_movedon":["2023-08-17 12:01:06"],"_bbpmt_movedfrom":["296275"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["299485"],"_bbp_forum_id":["27789"],"_bbp_engagement":["202","26681","48110"],"_bbp_voice_count":["3"],"_bbp_reply_count":["7"],"_bbp_last_reply_id":["300320"],"_bbp_last_active_id":["300320"],"_bbp_last_active_time":["2022-08-30 05:26:33"]},"test":"tim-dukesorigin-eng-co-uk"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/299485","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/299485\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=299485"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}