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... Jun 2015 07:25 by Hayfield posted: 2 Jun 2015 15:30 from: Martin Wynne Martin Wynne wrote: I have some new Vero pins on order from RS which should be here tomorrow. I will measure them and post details. They should be representative of current supplies: http://uk.rs-online.com/web/p /terminal-posts/6319596/ Now arrived. (Incidentally, RS now supply next day orders post free, a recent change.) I put them on the scanner: 2_020948_350000000.jpg They are cold-headed from brass wire and tinned, so dimensions will vary a bit. Measuring several I found: Head diameter. As Brian found the heads are not round. The smallest size across any heads was 1.55mm. The largest across any heads was 1.74mm. But mostly they are in the range 1.60- 1.65mm across. Head thickness. Measurements range from 0.48mm to 0.53mm. Pressing a few firmly into Veroboard, trimming and filing flush on the underside, they are proud by 0.51mm. The desired rail lift ...
Terms matched: 1  -  Score: 8  -  149k  -  URL: https://85a.uk/templot/archive/topics/topic_2698.php
... -line. Templot can print a drilling template for that: 2_220711_090000000.png The rivets are tubular, and clenched over underneath to fix them. Ideally with a proper press tool, but many folks simply bash them with a small hammer, supporting the head in a washer to prevent crushing it into the plywood. You may see this method described as the Brook-Smith process, after the late Joe Brook Smith who invented it about 60 years ago. An alternative, also requiring 1mm holes, is to use electronics Vero pins: 2_020948_350000000.jpg F6319596-01.jpg These are a push fit, having ribs under the head, so need trimming underneath rather than clenching. They work great in copper-clad, but may not hold very firm in plywood. However, if you then fit cosmetic half-chairs round them with Loctite, that would provide sufficient strength. The advantage of Vero pins over rivets is that the head is smaller (1.6mm dia.), so making the positioning of them less critical when fitting the half-chairs over them. They are ...
Terms matched: 1  -  Score: 8  -  199k  -  URL: https://85a.uk/templot/archive/topics/topic_2781.php


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