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I’ve tried everything using both my blue and donut demag units. I’ve even tried beating them with a steel hammer 🙂 im now trying heating them over gas flame — if that doesn’t work ….. -
By Neverenoughwatches · Posted
The 110v supply could be problem with the blue one. Have you tried moving the piece to demag through different orientations manually as its drawn away ? As Nev quoted the magnetic fields of the demag have to overcome those of the steel. -
Thank you Marc! I re ran the TG. First I went ahead and checked the balance jewel on the regulator and it was bone dry. I cleaned and oiled it, not without some drama including pinging the capstone and searching my bench with a black light for 30 minutes and finally shone it on my face and looked in the mirror only to find it on my left cheek in my 2 day growth! Back in and on the Grapher we are at 275. However significant drop in DD (234) and CR (190 edited) positions tells me it's time for a complete cleaning and oiling. -
My $12 blue one seems to work well enough for movements out of case. However for tools with greater mass, such as my small and large anvils which are highly magnetized the blue unit is useless. For whatever reason, my high current K&D donut unit just doesn’t seem to work, regardless of my attempts to use it as instructed in this thread (magnetizes stuff fine so I know it is energized).
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PUW1563 is the day/date version of the 1561 (date only). I have just measured a 1561 using the old "blob of paint on the rim" technique to determine the actual amplitude by observation, and then putting it on my TG and adjusting the TG lift angle until the displayed amplitude matches the observed amplitude. I get 48°. Not a million miles away but it will have overstated the amplitude by about 20° with the TG set to 52° (I tried that as well for completeness). So with a more appropriate lift angle set on your TG you would have got an amplitude reading of about 240°.
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