| tweakie |
Dátum/Date: Szombat, 2012-01-21, 17:54 | Üzenet/Post # 1 |
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This is perhaps an unusual application for Mach3 and a CNC machine but more of these ‘legacy’ access cards were needed in a hurry. They have a Barium Ferrite core and are programmed with ‘magnetic domains’ some ‘north up’ some ‘south up’ in a defined pattern and are used to open magnetic locks.
By fitting an electromagnet (in place of the spindle motor) which is half wave rectified and switched on / off by my forward / reverse spindle relays, all that was necessary was a small GCode program to create all the necessary domains with the correct orientation and position.
Next time though, I think I will get them programmed in the USA by the card manufacturer. 
Tweakie.
Success consists of going from failure to failure without loss of enthusiasm. |
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| Íjász |
Dátum/Date: Szombat, 2012-01-21, 22:53 | Üzenet/Post # 2 |
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| KisKZ |
Dátum/Date: Hétfő, 2012-01-23, 10:46 | Üzenet/Post # 3 |
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tweakie,
Interesting!  |
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