tag:blogger.com,1999:blog-7445819594773958579.post5043904763611579165..comments2023-02-04T18:43:54.637+08:00Comments on Wongster's Production: Hemingway Set-Over Centre: 1/2 Centre CompletedWongsterhttp://www.blogger.com/profile/03583616007802325379noreply@blogger.comBlogger5125tag:blogger.com,1999:blog-7445819594773958579.post-58518463857933190472012-03-30T06:41:36.825+08:002012-03-30T06:41:36.825+08:00Wong, I got thinking today about checking the temp...Wong, I got thinking today about checking the temperature. Omega has temperature indicating lacquer that you paint on the part. It is flat and dull until it reaches the set temperature when it melts and becomes glossy. See:<br />http://www.omega.com/ppt/pptsc.asp?ref=LAQ&Nav=temf03<br /><br />We used this at Data Electronics in the lab to verify the temperature ranges in the environmental test of the tape drives<br /><br />GeneK.GeneKhttps://www.blogger.com/profile/02494711960616526424noreply@blogger.comtag:blogger.com,1999:blog-7445819594773958579.post-44757015076002728882012-03-26T07:14:53.834+08:002012-03-26T07:14:53.834+08:00GeneK,
Sounds logical. I'll do the hardening a...GeneK,<br />Sounds logical. I'll do the hardening again. On the part of using magnet as text, i reckon that the test is conducted after quenching? Looks scary to do it while it is still hot. <br /><br />Regards,<br />WongWongsterhttps://www.blogger.com/profile/03583616007802325379noreply@blogger.comtag:blogger.com,1999:blog-7445819594773958579.post-52139240171312055932012-03-26T04:58:36.416+08:002012-03-26T04:58:36.416+08:00Wong, The torch probably could melt the wire, but ...Wong, The torch probably could melt the wire, but you need to control where the flame is aimed better than that. Keep the hottest part of the flame on the large bulk of the part most of the time, let the heat conduct to the smaller part. If you heat the tip first it may burn and the heat will conduct from it into the larger part and cool before you can quench it. By heating the largest part first it will have a reserve of heat to keep the point hot enough to quench and harden.<br /><br />GeneKGeneKhttps://www.blogger.com/profile/02494711960616526424noreply@blogger.comtag:blogger.com,1999:blog-7445819594773958579.post-63135908096800154192012-03-25T22:28:51.159+08:002012-03-25T22:28:51.159+08:00GeneK,
Meant to ask you but it slipped my mind.
...GeneK,<br /><br />Meant to ask you but it slipped my mind. <br /><br />Will the wire get burn off and causes the part to drop? I'll go find a wire to try again. <br /><br />Regards,<br />WongWongsterhttps://www.blogger.com/profile/03583616007802325379noreply@blogger.comtag:blogger.com,1999:blog-7445819594773958579.post-35544101770712680972012-03-25T13:17:27.762+08:002012-03-25T13:17:27.762+08:00Wong, you are holding the part with pliers while y...Wong, you are holding the part with pliers while you heat it. The pliers act as a heat sink. Get some thin wire, about 22 gauge magnet wire and wrap a small noose around the threaded portion and hang that into the flame. and you won't lose so much heat.<br /><br />GeneKGeneKhttps://www.blogger.com/profile/02494711960616526424noreply@blogger.com