Regulating with Biburo Software - Seiko & Citizen Watch Forum – Japanese Watch Reviews, Discussion & Trading
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Old 02-23-2013, 11:38 AM   #1 (permalink)
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Default Regulating with Biburo Software


After completing my first movement strip and clean I had to regulate it. It took ten days using the basic routine: adjust, wait a day, adjust again, so I decided I needed something to speed the process up.

The Timegrapher machine looks good and decent value for money, but I didn't want to spend £150+ on something I will only use very occasionally. So, after reading this thread about the Biburo software app I decided to try it:
https://www.thewatchsite.com/index.ph...,13678.25.html

It's written by a Japanese guy called Wolfman and can be downloaded from his website for free:
http://tokeiyade.michikusa.jp/download.html

I got the latest version - V2.0.28:
http://tokeiyade.michikusa.jp/wm2028.zip

Although the buttons and menus are in English there are no instructions. There is a manual in Spanish though:
http://tokeiyade.michikusa.jp/manual..._de_biburo.pdf

Elsewhere on the web is a basic tutorial by a helpful bloke who has got the software working:
http://www.tateurinavi.com/biburo_english/

So, you need a peizo microphone and a pre-amp to let your PC listen to your watch and measure its accuracy. I bought a very cheap acoustic guitar pre-amp with a peizo pick-up off ebay, but it was pretty shitty and didn't have enough gain for use with a watch (i.e. very quiet sounds). So instead I decided to make the amp that's described by Wolfman. He gives a schematic here:
http://tokeiyade.michikusa.jp/downlo...amp-sample.pdf

This amp is a two stage design, each stage having a gain factor of 75, giving a total gain factor of 75 x 75 = 5625, or 75dB.

I already had some components and I get a discount from Farnell through work, so the bits cost me just over £5, but to buy everything at full price would be more like £20 I think. Here's a list of part numbers for suitable components from Farnell. I think it's everything you would need except some cable and a PSU.

1755007 IC, OP-AMP GP 15MHZ DUAL 8DIP
1101345 SOCKET IC, DIL, 0.3", 8WAY
1077155 V REG 0.5A +5.0V, SMD, 78M05, IPAK3

9801197 DIODE, SCHOTTKY, 1A, 20V

8126941 CAP, ALU ELECT, 10UF, 50V, CAN
1469310 CAP, CERAMIC, 0.1UF, 50V, X7R
9411747 CAP, CERAMIC, 100PF, 50V, Y5P, DISC

9340904 RESISTOR, 0.5W 1% 75K
9339779 RESISTOR, 1K, 500MW, 1%
9339787 RESISTOR, 10K, 500MW, 1%

1243246 CHASSIS SOCKET, PSU, 500MA
2101772 CONNECTOR, PLUG, 3.5MM, 3POLE

1827943 TRANSDUCER, PIEZO
451058 STRIPBOARD, EUROCARD

525613 BOX, DIECAST

I converted the schematic to a veroboard layout:




'PZ' is the Piezo mic. The large X's are where you need to cut the veroboard tracks (use a small drill bit, finger held). I have marked Pin 1 of the Amp IC with a little dot the same as on the actual chip. Only one capacitor has to fitted the correct way round (marked + and -). The voltage regulator goes in as I have drawn it (from above). Be sure to fit the diode the right way round! When complete, check you haven't accidentally soldered any adjacent veroboard tracks together by inspecting with a loupe. Check the voltage regulator is supplying 5V to the Amp IC Pin 8 before fitting the chip in the socket. You will need a multimeter. Even better, if you have access to an oscilloscope then you're well away. Pinout of the Amp IC:














You could use either a 9V DC mains adapter like I did or a 9V battery. Make sure to use screened coax cable. Keep the cable from the peizo mic to the amp short, and use a metal or screened box. This is because the signals from the mic are very small and the amp is high gain, so the whole thing is susceptible to picking up electrical noise which will prevent the software from working correctly.

Connect the amp to the mic socket on your PC. On my laptop I had to mute all the sound card's outputs, before enabling the mic input otherwise I got feedback. Windows has controls for setting recording levels and speaker volume levels, and your soundcard probably has its own software as well, so it may take a bit of fiddling to figure out all the controls. To test the amp with your watch you can use Window's Sound Recorder program. I've attached a recoding I made to this post as an example.

Google and I translated the Spanish Biburo manual into English. I have attached our translation to this post. I apologise for only translating the text - you still need the Spanish manual for the all pictures and diagrams. It's probably a good idea to read the manual, especially if you've not regulated a watch before, as it gives you an idea of what's involved.

Download the pdf of lift angles from:
http://pczw.uhren-mikl.com/downloads/gamma.pdf

Now, finally, start up Biburo. Put a watch on the piezo mic. Set the lift angle for your mechanism. It's a good idea to use Biburo in a silent environment - wait until everybody is out of the house, and all the background noise (TVs, stereos, game consoles etc) are switched off. Adjust Window's mic input level so you get a good signal shown in red along the top. You want a large amplitude signal that does not go off the top of the graph. Set the signal level slider so the green line is towards to top of the red graph. I find it helps to manually set the correct beat rate. You should now get a line of dots drawn across the main display, and after a while, an accuracy in secs per day shown top right. If you get two or more parallel lines of dots, make sure the mic input level is good and the signal level slider isn't too low. You can now adjust the beat rate of your watch until you get a level trace. I was able to have the watch face down on the mic, with the back removed, and make adjustments while the program was running. However, when I replaced the back and turned the watch over I found the rate changed slightly so check the watch in a number of orientations before tightening the back.

I spent an afternoon playing with the software and various watches until I got the hang of everything. It is a bit confusing to being with, and you can get all sorts of bad results if you don't have everything set-up just right. However, I feel quite confident now I could do a basic regulation in a matter of minutes and so I'm happy with the overall results of my efforts.

You can also use Biburo Continuous Mode to show the amplitude and the beat error of the movement on the graph. I found this very tricky to get reliable and consistent readings, so I wouldn't recommended adjusting for beat error unless you are confident you know what you're doing, are experienced with the software, and have a junk watch to mess about with as an initial test.

That's about all I have to say, I think it would be very helpful if somebody who has some real training and experience in watch servicing gave Biburo a go and compared it to a proper piece of kit like the Timegrapher.

If anybody knows where to buy an off the shelf high-gain pre-amp suitable for use with a piezo mic then please let us know.

Cheers, Sam.




Attached Files
File Type: pdf manual.pdf (67.5 KB, 110 views)
File Type: mpg ticktock.mpg (265.0 KB, 39 views)
File Type: pdf manual.pdf (67.5 KB, 33 views)
File Type: mpg ticktock.mpg (265.0 KB, 24 views)
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Old 02-23-2013, 01:35 PM   #2 (permalink)
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Default Regulating with Biburo Software

Sam, while I will never do this and, to be honest, the electronics are way over my head, I am totally floored that you put in all this effort and shared it with the community. Absolutely brilliant!

Cheers,
David
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Old 02-23-2013, 05:23 PM   #3 (permalink)
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Default Re: Regulating with Biburo Software

Ooo, a veroboard design, I can build that! I've been looking at some similar projects online before but you seem to have got everything together in one post, great work! Now all I need is some spare time...
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Old 02-24-2013, 09:04 AM   #4 (permalink)
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Default Re: Regulating with Biburo Software


Go for it. As electronics projects go, this one is pretty simple. There's every chance it will just work first time with no gremlins.

I will keep an eye out for a suitable off the shelf pre-amp. The problem is that most mic amps are designed for low impedance inputs and a piezo is (very) high impedance.

Maplin sell this pre-amp for £3.99
http://www.maplin.co.uk/mono-preamp-kit-220052

It's possible two of these would work - with the output of the first connected to the input of the second. But without buying one an taking a look at it it's hard to say for sure.



Quote:
Originally Posted by superswede
Ooo, a veroboard design, I can build that! I've been looking at some similar projects online before but you seem to have got everything together in one post, great work! Now all I need is some spare time...
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Old 02-24-2013, 09:18 AM   #5 (permalink)
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Default Re: Regulating with Biburo Software

Sam, I wish I could give you more +1s for this post.


+1 for the writeup
+1 for the schematic
+1 for the wicked gear setup


and +1 for getting it working.


Truly, truly fabulous post, Sam. Heck, best post this month, IMHO!!



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Old 02-24-2013, 02:58 PM   #6 (permalink)
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Totally blown away by this post. Very impressive.
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Old 02-24-2013, 05:16 PM   #7 (permalink)
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Default Re: Regulating with Biburo Software

Great stuff!!

I was having a play with a similar setup at work. We have some vibration analysis equipment but it's only really suitable for high frequency stuff

Tried with a piezo pickup and scope but the signal was too weak, as expected!! I'll have to build a preamp as you suggest above.

Hadn't seen the free software, that will definitely be easier than using a scope alone!
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Old 02-25-2013, 07:45 AM   #8 (permalink)
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Default Re: Regulating with Biburo Software

I love it that you've given this a go and I have enormous respect that you can make this work. But - if you are serious about this hobby, can I recommend that you buy the Timographer? You will never regret it, I assure you. It gets used in my lab consantly.
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Old 02-25-2013, 10:13 AM   #9 (permalink)
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Will never use this (or totally understand it) but mate, the work to put this up on the forum is astounding! Thank you, really, for taking the time to do this.
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Old 02-26-2013, 11:38 AM   #10 (permalink)
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Default Re: Regulating with Biburo Software

Thank you all, I've learnt an enormous amount since I joined the SCWF, so if I can contribute something in return and somebody finds it useful then I'm happy. Cheers!
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Old 02-12-2017, 07:10 AM   #11 (permalink)
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I have just built this amp, the veroboard layout made it simple to build, it works really well.

One issue I did find is that most of the links in the original post no longer work so I couldn't get a copy of Biburo, however whilst searching I found an alternative called TG.

TG works with Windows 10 and seems to work well.

You can find it here:-

"https://github.com/vacaboja/tg"

and the windows version download is here:-

"https://tg.ciovil.li"
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Old 02-12-2017, 10:38 AM   #12 (permalink)
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Unbelievable post ! WOW !
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Old 02-12-2017, 05:23 PM   #13 (permalink)
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I took the piezo piece from music greeting card. I have mounted it in some kind of „rack“ that I made of wood. My old hi-fi amp has mic input.

This „rack“ is good to hold the watch in firm contact with „piezo“, and additionally I can turn this rack in different positions without loosing contact between piezo and the watch.





For the adjusting I'm always using „900sec“ on screen – in this „mode“ the line is very sensitive and the slightest changes in angle represent couple of seconds per day.

In this pic is my Oris in 5 different positions. Every vertical line is the „noise“ that was made by changing position. On witschi timegrapher positional error of this watch is only 5 seconds in 5 positions.
This represents the watch after regulation, when it was dead on (+-0,5 sec / per day).





The same watch before regulation. It was loosing 8 secs per day.




Numbers that you see in the bottom line about accuracy are best to ignore - line is important.


And this is my Boctok 2416 with pos.err. of around 30 secs. It is very easy to see how big „the angles“ between different positions are.


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Old 02-12-2017, 09:33 PM   #14 (permalink)
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thanks for sharing guys. Great DIY. I believe non-techies like me will still stick to the vibro, though.
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Old 02-14-2017, 05:02 PM   #15 (permalink)
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Amazing
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