'Lines' in groove

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ilovedrums247
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'Lines' in groove

Post: # 69391Unread post ilovedrums247
Wed Apr 08, 2026 4:15 am

I've noticed these "lines" in the sidewall of the groove and i'm curious if anyone has some insight?

Unmodulated grooves sound quiet, but it doesnt look right..

blanks are generally not heated as per myshank faq: "Use heating only to flatten slightly warped blanks. Avoid using heat as a standard cutting condition."

needle is heated to around .3 amps and groove width is around 50-60 microns.

Second question; how long does the needle take to heat up?
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Phinster
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Re: 'Lines' in groove

Post: # 69394Unread post Phinster
Wed Apr 08, 2026 8:12 am

common when using lacquers also
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zdenda.jircik
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Joined: Sat Oct 11, 2025 10:24 am

Re: 'Lines' in groove

Post: # 69395Unread post zdenda.jircik
Wed Apr 08, 2026 11:21 am

Hi, I would try higher current to the styli heating. It is recommended 0.5A everywhere.. I expect to give 2 or 3 minutes to preheat diamond.
Hope I can do it before I retire. :lol: Cheers from CZ
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