http://groups.yahoo.com/group/thseng/ THS Engineering Forum Fri, 06 Mar 2009 17:57:20 GMT ths992001 http://groups.yahoo.com/group/thseng/message/79 http://groups.yahoo.com/group/thseng/message/79 Here's an article on how to choose a linear actuator. http://www.ehow.com/how_4733789_choose-right-linear-actuator.html Seems like no one ever has the Thu, 05 Mar 2009 17:37:44 GMT ths992001 http://groups.yahoo.com/group/thseng/message/78 http://groups.yahoo.com/group/thseng/message/78 Here's a brief overview on how to convert a milling machine to CNC. http://www.ehow.com/how_4738201_convert-manual-milling-machine-cnc.html Wed, 04 Mar 2009 17:43:03 GMT ths992001 http://groups.yahoo.com/group/thseng/message/77 http://groups.yahoo.com/group/thseng/message/77 I was going through some old files the other day and came across a FAQ I wrote when I first got my Mill Drill milling machine. Tue, 03 Mar 2009 17:38:18 GMT ths992001 http://groups.yahoo.com/group/thseng/message/76 http://groups.yahoo.com/group/thseng/message/76 I've posted some useful info on how to wire stepper motors here: http://www.ehow.com/how_4738199_wire-stepper-motor.html Tue, 25 Jul 2006 17:17:09 GMT ths992001 http://groups.yahoo.com/group/thseng/message/75 http://groups.yahoo.com/group/thseng/message/75 Ok, I don't see any glaring errors. One small point - Most of the resistors are supposed to be installed vertically, ie. leave one lead straight and bend the Tue, 25 Jul 2006 04:35:47 GMT mxpro32 http://groups.yahoo.com/group/thseng/message/74 http://groups.yahoo.com/group/thseng/message/74 Sorry about that. I have uploaded the images to the photo section. thanks. Tue, 25 Jul 2006 01:47:17 GMT ths992001 http://groups.yahoo.com/group/thseng/message/73 http://groups.yahoo.com/group/thseng/message/73 Shaun, It looks like you tried to send the photos as attachments to your post - this groups does not allow attachments. You can upload the files to the photos Tue, 25 Jul 2006 00:44:26 GMT shaun morris http://groups.yahoo.com/group/thseng/message/72 http://groups.yahoo.com/group/thseng/message/72 Hi, I have scanned both sides of one of my boards. If you could take a look and see if you notice anything wrong with it I would appreciate it. I left the Mon, 17 Jul 2006 03:33:58 GMT mxpro32 http://groups.yahoo.com/group/thseng/message/71 http://groups.yahoo.com/group/thseng/message/71 ... The power supply is a 24v switching power supply, not sure on the current rating but I was using it to power 3 IM483 drivers at 2.5 amps each axis. Now I Mon, 17 Jul 2006 01:56:38 GMT ths992001 http://groups.yahoo.com/group/thseng/message/70 http://groups.yahoo.com/group/thseng/message/70 I'm assuming that the beeping from your power suppy is an indication of overcurrent. What are the specs on your supply? Is there anything else that the Sat, 15 Jul 2006 17:01:24 GMT mxpro32 http://groups.yahoo.com/group/thseng/message/69 http://groups.yahoo.com/group/thseng/message/69 Hi, thanks for the reply. Yesterday I soldered together another entire board with all new components. When I applied power to this board I got the same Sat, 15 Jul 2006 00:48:52 GMT ths992001 http://groups.yahoo.com/group/thseng/message/68 http://groups.yahoo.com/group/thseng/message/68 Shaun, Electrolytic capacitors can be damaged by reverse polarity. Usually it is pretty spectacular because the high leakage current heats and boils the Sat, 15 Jul 2006 00:39:22 GMT mxpro32 http://groups.yahoo.com/group/thseng/message/67 http://groups.yahoo.com/group/thseng/message/67 Hello, I just finished soldering together my board and I have a problem. when turning the power on to the board, my power supply starts beeping. It is a 24v Wed, 05 Jul 2006 16:34:10 GMT ths992001 http://groups.yahoo.com/group/thseng/message/66 http://groups.yahoo.com/group/thseng/message/66 I'll get some in the mail to you first thing tomorrow. Sorry for the slip-up. - Tom Scarince www.thsengineering.com Sun, 02 Jul 2006 01:58:37 GMT aggie_672000 http://groups.yahoo.com/group/thseng/message/65 http://groups.yahoo.com/group/thseng/message/65 Tom, What is the status of the PIC's for the THSTEP25 boards??? Notified you on 6-5-06 that I had received the wrong PIC's, you said send a private email with