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Post by chessparov on Jun 3, 2023 12:56:01 GMT -6
What kind of lapping...
Is best for Indy Rock?
Chris
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Post by timcampbell on Jun 3, 2023 15:15:06 GMT -6
What kind of lapping... Is best for Indy Rock? Chris Or for Indy500 lapping? |
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Post by opr on Jun 3, 2023 15:40:01 GMT -6
What kind of lapping... Is best for Indy Rock? Chris Definitely the chemical lap. The Media lap is reserved for pop music for maximum consumption.  |
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ericn
Temp
Balance Engineer
Posts: 14,934 
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Post by ericn on Jun 3, 2023 16:27:41 GMT -6
What kind of lapping... Is best for Indy Rock? Chris Or for Indy500 lapping? The only good response I can think of is a picture of Jeff Gordon’s old DuPont car at the Brickyard. |
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Post by mics on Jun 3, 2023 18:34:11 GMT -6
You blokes reckon you get dizzy watching an Indy 500; try watching a lapping machine do the job! Talk about a watched pot that never boils! Round and round and….round and…….you guessed it round!!!
most lapping is the boring matt finish. Sorry boys.
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Post by chessparov on Jun 3, 2023 19:29:44 GMT -6
It's more than a Petty concern.
Chris
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Ari
Full Member
Posts: 29
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Post by Ari on Jun 3, 2023 20:11:10 GMT -6
there's also "high speed lapping"/fine grinding/flat honing which has increased in popularity in the past 10 years as machines have become more available. this is done with micro-abrasive plates that make microscopic cuts. the liquid in a flat honing machine is just coolant to keep the workpieces from overheating due to friction. it's somewhat similar to what superfinishing is for turned surfaces. this is what I use for mine. the finish it produces is sparkly, crisscrossing "holographic" lines caused by the process mirror polishing the inner faces of the microscopic cuts it's making.
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Post by mics on Jun 3, 2023 20:24:13 GMT -6
there's also "high speed lapping"/fine grinding/flat honing which has increased in popularity in the past 10 years as machines have become more available. this is done with micro-abrasive plates that make microscopic cuts. the liquid in a flat honing machine is just coolant to keep the workpieces from overheating due to friction. this is what I use for mine. the finish it produces is sparkly, crisscrossing "holographic" lines caused by the process mirror polishing the inner faces of the microscopic cuts it's making So Black Magically speaking, wouldn't the micro polished cuts cause the sound waves to vex and do a full migration anti typically which would then require a master German technician to skilfully and BILLfully adjust the mating screws so that the capsule protruded it's reproduction of sonic bliss with perfection? tongue in cheek if you will!!!! (just trying to sound like a real mic guru) I have 3 different lapping machines but mostly just use the media and Lapping oil because I can time it more accurately and the Lap of course is slower but I can lap 36 plates at a time. My fastest machine laps at 500rpm but it is too fast for me, I prefer the big girl at 36rpm. (plays good records too as it is adjustable. Just need to add the moving coil arm.) Lapping is an interesting thing. It takes a while to master but once you do, it's a hard skill to forget. you end up being Flat out all the time! |
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Ari
Full Member
Posts: 29
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Post by Ari on Jun 3, 2023 20:34:11 GMT -6
there's also "high speed lapping"/fine grinding/flat honing which has increased in popularity in the past 10 years as machines have become more available. this is done with micro-abrasive plates that make microscopic cuts. the liquid in a flat honing machine is just coolant to keep the workpieces from overheating due to friction. this is what I use for mine. the finish it produces is sparkly, crisscrossing "holographic" lines caused by the process mirror polishing the inner faces of the microscopic cuts it's making So Black Magically speaking, wouldn't the micro polished cuts cause the sound waves to vex and do a full migration anti typically which would then require a master German technician to skilfully and BILLfully adjust the mating screws so that the capsule protruded it's reproduction of sonic bliss with perfection? tongue in cheek if you will!!!! (just trying to sound like a real mic guru) I have 3 different lapping machines but mostly just use the media and Lapping oil because I can time it more accurately and the Lap of course is slower but I can lap 36 plates at a time. My fastest machine laps at 500rpm but it is too fast for me, I prefer the big girl at 36rpm. (plays good records too as it is adjustable. Just need to add the moving coil arm.) Lapping is an interesting thing. It takes a while to master but once you do, it's a hard skill to forget. you end up being Flat out all the time! no, it causes the sound waves to get crisscrossed, which causes the pickup pattern to partially reverse in the 5th and a half dimension, obviously. i of course can hear the antiphase hemirotation, but most of my customers can't, and i am willing to cut corners on this because i am in it for the money.
one of my plate designs still does use traditional media lapping with SiC. Rough but it does the job just as reliably as a polishing medium IMO, will migrate it to the new machine later this year.
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ericn
Temp
Balance Engineer
Posts: 14,934
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Post by ericn on Jun 3, 2023 20:56:21 GMT -6
I’m going to beat Chris to the punch, keep going guys we are all lapping this up!
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