Pinch Roller Resurfacing

Part 2 of the Harig 5C Collet Nut build video, showing the end results of precision grinding the Tascam 122mkll pinch roller.

[@alandoherty8279]

Awesome attention to detail, please keep the vids coming. I have been a tech for over 50 years, but still open to learn new stuff. Every day’s a school day !

[@asbcustom]

Wow, thank you so much! You should be the one doing the videos instead of me!

[@nohrtillman8734]

I didn’t know this was a “thing.” I got the impression rollers were a clean, and replace if that didn’t work. Thanks for the new knowledge!

[@asbcustom]

Ideally yes, but I haven't been very satisfied with the currently available replacements. Thank you for watching.

[@chriseast6123]

Fascinating, of course I watched all of it. Thanks for showing all the effort that goes in to re-surfacing a pinch roller

[@asbcustom]

Thanks Chris!

[@MrSteney]

All of your videos are fascinating. I appreciate the time and effort that you put into these. I absolutely want you to work on a couple of my cassette decks in the near future.

[@asbcustom]

Thank you Mr. Steney, I appreciate your comments. Please contact me at your convenience, there is an e-mail link on the about page here: www.youtube.com/@asbcustom/about

[@johnnycab1000]

Impressed with your work. Being an electronics engineer who works on a wide variety of audio equipment, I consider myself rather fastideous when it comes to servicing peoples equipment, I believe they deserve nothing less. The results of course, speak for themselves. Subsrciption added (Of course) 😀I look forward to following your endeavours on other videos. Now, if we could only have this type of care and attention performed by so many others just imagine how good things could really be eh? Continued success and Best regards to you Sir. John

[@asbcustom]

Thank you John, I really appreciate it. Some days, like today, I would have preferred your background to my own ... All the best to you and yours.

[@buitenb]

Wow ! You are a true technician. I enjoy your video’s, keep them coming.

[@asbcustom]

Thank you Jakob!

[@zambrano966]

Excelente trabajo ASB Custon, yo vi el primer video, pero no sabia a que te referías, y ya vi muy ingeniosa maquina has construido. Me parece excelente. Yo a veces lavo con jabón como tu dices los rodillos de la polea loca, pero a veces funciona y a veces no, también he aplicado la de lijarlos con lija 2000 y también a veces funciona, para la rueda loca no es tan importante la exactitud como para la del Pinch Roller. Muy buen video.

[@asbcustom]

¡Gracias! Pruebe con jabón para platos, agua tibia y un cepillo rígido, incluso uno de latón si es realmente malo, he tenido mucha suerte con esto.

[@DioDreamer]

great work!

[@asbcustom]

Thanks for watching!

[@goldenmusic0716]

Приветствую, Петер! Превосходно! Высший пилотаж!👍👍👍 Greetings, Peter! Perfect! Aerobatics!👍👍👍

[@asbcustom]

Haha! Thanks Vadam!

[@goldenmusic0716]

@@asbcustom Greetings, Peter! 🤝 My name is spelled correctly Vadim😁

[@asbcustom]

Thank you for the correction, I'll remember that. Did you ever get you pulley made?

[@goldenmusic0716]

@@asbcustom Thank you, Peter!🤝😁... The pulley will only begin now, turner Vladimir Ivanovich! I visited him two days ago! According to your design, he will make a cutter and then make a pulley! As soon as it’s ready, I’ll definitely send you photos and videos and check it for beating with an indicator!👌

[@asbcustom]

Looking forward to it!

[@JamesE707]

Beautifully done. Interesting the work done in getting the concentricty that you needed. I learn a lot from watching your vidoes, my late father would have loved to have seen this stuff, but the internet was just taking off when he passed away. I tend to think in mm nowadays and microns rather than inches or thousanths of an inch etc. Strangely I've tuned into the metric system .... eventually. :) I've a bunch of old pinch rollers that I've kept, maybe I'll have a go at 'grinding' excess rubber off one day. :)

[@asbcustom]

I lost mine not quite a year ago, miss him terribly every day. I've seen a few different ways that people have tried to "repair" pinch rollers - sanding, using drills, Scotchbrite, everything except the right way, in lieu of the correct equipment. Warm soapy water and a scrub brush will restore most of the ones I've seen without damaging the sphericity or profile. A round convex shape, simply cannot be freehand sanded true.

[@LEX_A70]

​@@asbcustom, парни, у меня отец был радиоинженером, 5 лет, как я возобновил хобби с аудио(в основном, деки 70х годов), он был очень рад, узнав что я снова в хобби, и 1.5 года как его не стало. В детстве, он всегда собирал за мной технику, которую я раскручивал и даже не ругался. Всего наилучшего вам!

[@asbcustom]

@@LEX_A70 Спасибо за просмотр, Алексей!

[@SamiJumppanen]

Very interesting!

[@asbcustom]

Thank you for watching!

[@DarthMaul41]

Interesting procedure. Will you show the results on the deck, to see how much the wow & flutter has improved?

[@asbcustom]

Not on this one no, it performed pretty well following a cleaning but the cleanings had to be overly frequent, maybe in the future though. Thanks for watching.

[@matthiash.4670]

You do this the same way I do ;-) I also true up chinese spare part pinch rollers this way. Sometimes there is no chance to to refurbish the old ones...

[@asbcustom]

Is that right? What kind of quality have you experienced with the uh hem, imports?

[@MikeDS49]

Can most pinch rollers be resurfaced? I guess it depends on circumstances if you'd replace or resurface? Engine machine shops get down to that level of precision. I wonder if they could do something like this, given it's larger than a valve stem.

[@asbcustom]

Not all pinch rollers, no, sometimes they are beyond help. Yes, most any machine shop could easily do this, but I don't know of any that would. Thank you for watching and commenting!

[@MusicBoxVinyl]

What’s causing my tapes to snap? Would it be the old pinch rollers on my cassette deck?

[@asbcustom]

I don't think slipping pinch rollers would snap a tape, maybe, but I don't think so. Has the deck been serviced? It probably needs to be gone through.

[@MusicBoxVinyl]

@@asbcustom the only thing I did was put new belts.

[@asbcustom]

That's not sufficient, you should probably take to someone who can go through the whole mechanism for you.

[@MusicBoxVinyl]

@@asbcustom I just put a new tape and it didn’t snap. Maybe it’s just because the tapes are old.

[@asbcustom]

Could very well be.

[@TheSharoff]

great job, sir ! like, subscribe

[@asbcustom]

Thank you so much!

[@powerday_Hi-B]

Круто. Но Денон не стоит этих усилий.

[@asbcustom]

У нас в Америке весело говорят о мнениях, а у вас в России есть такое?

[@user-fi2og9np2w]

This is not the correct setting! I ran the indicator in the center of the axis, but did not check the edges of the axis. At the end of the video, you can see how the tip of the axis rotates with oscillation !

[@asbcustom]

Thank you for watching, Yaroslav. What you're seeing is the oscillation of the tiny cap screw and the loose washer, the shaft isn't visible. Please see my procedure for indicating a shaft on this video: kzbin.info/www/bejne/p6Kbn4engc97o9k

[@user-fi2og9np2w]

@@asbcustom The axis on which the roller will be installed must be drilled from one installation and every new time. Then there will be alignment and there is no need to measure the indicator! The roller must enter the axis with force and not be compressed by the screw.

[@asbcustom]

Obviously, an interference fit to a precision bored (not drilled) hole is more concentric, but this is a pinch roller, not a fuel nozzle for a Sukhoi. A proper technician must be well versed in applications and tolerances, and discern when and how to apply them correctly.

[@user-fi2og9np2w]

@@asbcustom You measured the axis at one point and set the offset according to the indicator. But I didn't check the axis at the beginning and at the end. Why are you sure that the axis does not have slopes at the extreme points? Give me your Whatsapp contact and I'll draw you what the problem is

[@asbcustom]

I don't need your drawing but thanks all the same, I'm very aware of the fulcrum effect, which you would know if you had watched the link I sent. You've fixated on a single moment, from a 10 minute video, of a job I worked on for several hours.