Vintage Angle Grinder Restoration Conversion 100V to 40V

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This is a vintage angle grinder from Japan. I think it is a vintage makita products. It requires 110V, while my location is 220V. It requires earth wire, while my location don't have earth wire install. There are people died because of aluminum power tools in my country, because they know how to use it properly. There are a lot of new modern power tools available in market today, so these kinds of power tools are abandoned. For me, I can take benefit from it by modify it in to this way. It not so powerful like before, but I can use it for some purposes.
Don't test these abandoned power tools, It can cause danger!
The following are cases encountered during the restoration:
- Wrong soldering in Angle grinder • Shocking Angle Grinder...
- Corrupt wires can come in contact with the power tool body • Vintage Electric Hamme...
I hope you find this video useful and enjoy it!
Furthermore, I am happy to receive feedback, suggestions to improve myself.
!!! I'm sorry for the mistake if I did in this video !!!
Thank you very much for choosing to watch my video!
Have a nice day
Gear Show

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Опубликовано:

2 окт 2023

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Комментарии : 236

@xtender5 8 месяцев назад

That was a really cool demonstration of how electric motors work.

@RubenKelevra 7 месяцев назад

It's basically just two sticks of charcoal running angry pixies in some circles :)

@xtender5 7 месяцев назад

@@RubenKelevra I always thought that was what it was. Happy I finally got some confirmation. 😁

@veyselkalkan384 8 месяцев назад

This is the real return. Congratulations.

@weedwacker1716 8 месяцев назад

Another great video pops up. I always admire not only your technical ability but also your ability to create a fun presentation. This device takes my past to my childhood when I worked as a slave to my grandfather using Older devices like this one. My only complaint about your work is the painting work you do. It's amazing, but I want to see this device polished like new glass and coated with clear paint. But that's just me, it still looks good. វីដេអូដ៏អស្ចារ្យមួយទៀតលេចឡើង។ ខ្ញុំតែងតែកោតសរសើរមិនត្រឹមតែសមត្ថភាពបច្ចេកទេសរបស់អ្នកប៉ុណ្ណោះទេ ថែមទាំងសមត្ថភាពរបស់អ្នកក្នុងការបង្កើតបទបង្ហាញដ៏រីករាយផងដែរ។ ឧបករណ៍នេះយកអតីតកាលរបស់ខ្ញុំទៅកាន់កុមារភាពរបស់ខ្ញុំនៅពេលដែលខ្ញុំធ្វើការជាទាសកររបស់ជីតារបស់ខ្ញុំដោយប្រើឧបករណ៍ចាស់ដូចឧបករណ៍នេះ។ ការត្អូញត្អែរតែមួយគត់របស់ខ្ញុំអំពីការងាររបស់អ្នកគឺការងារគំនូរដែលអ្នកធ្វើ។ វាអស្ចារ្យណាស់ ប៉ុន្តែខ្ញុំចង់ឃើញឧបករណ៍នេះរលោងដូចកញ្ចក់ដូចថ្មី ហើយស្រោបដោយថ្នាំលាបច្បាស់។ ប៉ុន្តែនោះគ្រាន់តែជាខ្ញុំ វានៅតែមើលទៅល្អ។

@dwyanejetersr6470 8 месяцев назад

Although I may not understand all that you do it's a pleasure to watch a consoment professional like you work, I watch your vids for hours. Thank you for your skill, patience & expertiese.

@stumarsan 8 месяцев назад

The grinder had so many bearings!😅 Awesome job as always. So satisfying to see something that looks like it belongs in the trash given a new life.

@Ghost-fc3kc 6 месяцев назад

Your channel is underrated man, amazing work you're doing here.

@memutu 8 месяцев назад

Nice job, putting grease with the spoon was a nice touch 😂. I use a big seringe from the vet pharmacy 😅. Keep up the good work! BTW, I think this was one of the best restoration jobs you did!

@CrustyRestorations 8 месяцев назад

Interesting to see the motor tricks, fabulous restoration job 👍👍

@sarigiannis2002 8 месяцев назад

I love the humorous tone you added in your video!

@DomCristante 4 месяца назад

the fuck are you on about?

@user-rj2pm8nu5t 8 месяцев назад

Прекрасная работа. Однозначно лайк. Удачи в делах, исполнения желаний и побольше интересных видео.

@user-xd9cz4nu2q 8 месяцев назад

🎉🎉🎉🎉😊

@Gary.Poltava 8 месяцев назад

Great job, congratulations🎉

@vinceianni4026 8 месяцев назад

Good job mister beautifully done

@ramonesteban5473 8 месяцев назад

Increíble trabajo , como siempre . Muchas gracias por compartir , un saludo.

@ZenithWalker 8 месяцев назад

Impressive work !

@MASI_forging 8 месяцев назад

WHta a beautiful restoration 👏👏

@aunabreslingaming3279 4 месяца назад

This drove me nuts for 3 years cuz I didn't know what I was searching for and I didn't have people around me that could help this conversion that you're showing is exactly that crap that drove me nuts for like 3 years

@banny123456 4 месяца назад

That AC main switch will not last DC current switching. That will be fun when shorted permanently.

@SpicySpleen 4 месяца назад

your a wizard! great work!

@texgowing7359 8 месяцев назад

Wow, very impressive convertion👍good job👏👏👏👏👏👏👏🙄

@brettjohnson9918 8 месяцев назад

i love your videos, i can't wait to have a space to try to do these kinds of projects as well. keep up the good work!

@gear_show 8 месяцев назад

I wish you can do it soon! Good luck!

@user-xd9cz4nu2q 8 месяцев назад

بارك الله بيك الله ايكثر من امثالك ان شاء الله

@user-jb4pv5fh1s 8 месяцев назад

Excellent job

@gear_show 8 месяцев назад

Thank you very much!

@djevo3441 8 месяцев назад

Amazing job my friend congratulations 👏🎉🎉🎉👏🎉👏🎉

@edeforelle664 8 месяцев назад

Excellent work and result! Thank you for sharing!!! Greetings from Germany Carsten

@Chucthihien 10 дней назад

very good video

@Roker650 8 месяцев назад

Kawał dobrej roboty.

@CoolIdeasDIY-qv1nz 8 месяцев назад

Ótimo trabalho, amigo👈👍

@MateO__123abc 4 месяца назад

I don't know how much trust you would have in that 3d printed piece. If you work with the tool a little longer to heat up the tool, that piece would most likely melt. That old coil seemed much more resilient.

@marianpintilie7799 8 месяцев назад

Master and teacher returns with new awesome video with impressive restoration...Grettings and love from Romania 🇷🇴🇷🇴🇷🇴

@daltonmarchand2755 5 месяцев назад

that is amazing anad i love it top noch my dude

@willyanborges8525 8 месяцев назад

Ficou sem duvidas incrível

@JeremyTHolt 5 месяцев назад

Very cool resto and mod. Although I am not sure I understand the what/how for the motor section.

@SloppyMechanics 8 месяцев назад

at 4:00 I thought the massive locking pliers were comedic relief I cant believe you were able to get a good pinch on that screw head hahaha

@arunparechirayil2167 8 месяцев назад

My country is India,I am your fan 😊 your restoration is nice work. I am waiting next video.

@user-gl8tf7br8k 5 месяцев назад

good job

@MichaelVx 8 месяцев назад

That is real ART to me

@TimoBurian 8 месяцев назад

You need a sandblaster😊 Good work! Keep up the good

@lordlupusrex3781 4 месяца назад

How does it know when the voltage is too low? Lithium does not like being fully drained...

@user-kt2hb8xr3p 8 месяцев назад

Great job, thank you brother. You are so talented thank you teacher❤❤❤ Great job, thank you brother. You are so talented

@gear_show 8 месяцев назад

You are very welcome. Thank you!

@nathkrupa3463 8 месяцев назад

You saved hundreds of tools life great work bro😊😊

@PVZBlover 8 месяцев назад

Yet again with the Ingco Tools inspired color scheme

@gear_show 8 месяцев назад

Yes, Ingco and Dewalt.

@FerSniper 8 месяцев назад

Лучший, спасибо за потраченное время!!!

@lucasdcofficial 8 месяцев назад

Amazing ❤work

@nessim.liamani 5 месяцев назад

Nice job! Can we really go from 100 to 40 volts without any catch?

@dropkick127 8 месяцев назад

Well done

@VacMaster1991 8 месяцев назад

Very safe intro😅. Loved the video though

@alexiswilmes8090 4 месяца назад

Hi, great restoration and great video. I just wonder how did you choose the magnets for de DC motor and why? From a reliability aspect, magnets suffer from high temperatures and i think that it could be a mistake even if the efficiency is improve considering the environement. Howerver it works very nice. Nice jobs

@alexandres8846 8 месяцев назад

good job my friend.. and as I always say brush motors are the best!!

@hectormendoza4158 6 месяцев назад

Tienes razón, los motores a sepillo son mejores, asta reparables 100% ahora los motores bruslhes son desechables no tienen reparación solo remplazo de conjunto electrónico completo y sale mas caro, como en el caso del taladro de impacto Dewalt dcf 887 es una locura se apaga y no prende más queda totalmente muerto y el conjunto electrónico completo es caro, me duró un año apenas uno original me dejó fue loco lo caros que son y salen así de delicados la verdad ahora prefiero los modelos anteriores con motores a cepillo o escobillas.

@mistermagnifico 3 месяца назад

I am more amazed at the strength of the 3D spacer

@edigvn 8 месяцев назад

Otro video de esos, con la calidad indiscutible de Gear Show ''Congratulatios'' me quedo con esta frase ''Para mí, puedo aprovecharlo modificándolo de esta manera. No es tan poderoso como antes, pero puedo usarlo para algunos propósitos'' y sobre todo que lo volviste seguro por material aluminio que le recubre.

@lamriutv 4 месяца назад

Wow, bạn khá chuyên nghiệp đấy

@Varmadheeraj6 8 месяцев назад

Don't skip 3D printer

@gear_show 8 месяцев назад

Yes, thank you for letting me know. I'm afraid this video is too long.

@-startx- 8 месяцев назад

Skip

@infinixgaming_0 6 месяцев назад

Too much heat can melt it.

@hectormendoza4158 6 месяцев назад

Exelente video quedo muy bueno el trabajo saludos desde Colombia

@hectormendoza4158 6 месяцев назад

@@gear_showla verdad no importa que sea largo el vídeo, se aprende mucho, yo me preguntaba dónde consiguio la base de la batería para que quede todo perfecto no contaba con que hay que tener una impresora 3d para que quede todo nítido.

@hayreddinguzel6630 8 месяцев назад

I enjoy watching and following your videos. Where do you supply/buy the empty battery boxes and equipment you use?

@Ghost-fc3kc 6 месяцев назад

Aliexpress

@yufadanpratama4011 8 месяцев назад

Pokokny mantap deh semua jdi buat klu dibuat rangkaian DC

@G_W_G_ 5 месяцев назад

놀랍다 놀라워... 승압을 하지 않아도 원래 용도대로 사용이 가능하다는게 너무 신기하다 그럼 전압이 낮아졌으니 기존대비 rpm같은건 아무래도 줄어들었겠죠?

@BahBahTheSheep 5 месяцев назад

what disc attachments at 6:30 are you using? the wire brush one for the grinder and the pad one

@Alex_NL 8 месяцев назад

could heat buildup be an issue for the 3d printed plastick ?

@nelchan2421 8 месяцев назад

RPM test with 18v and 42v?

@RefurbishmentKJ 8 месяцев назад

Ask a question Can the rotor of an AC motor be driven directly by DC?

@gear_show 8 месяцев назад

The armature is universal.

@CrudeBuster 8 месяцев назад

given the size it's normally universal so it can be fed by a DC generator in a worplace offgrid.

@TheWestlaker 8 месяцев назад

First time I saw someone holding a pair of brushes like that, while they are plugged in😮

@Sharpless2 8 месяцев назад

Since its battery powered now, it was DC. 40V DC is not enough to shock you, you may feel a very very slight tickle but thats it.

@AKAtheA 4 месяца назад

how long did the commutator and switch last? Also, why is the vice so wobbly?

@zach3664 4 месяца назад

when vice grips make the ultimate clutch save.

@Kmnri 8 месяцев назад

turned out great, i have a question, what do you do with all the tools you restore? keep in collection? sell? give friends?

@gear_show 8 месяцев назад

Everything, keep, give, sell..etc

@thebeast7690 8 месяцев назад

@@gear_show do you sell it online ?

@juancarlosarbiza4018 8 месяцев назад

Impecable 💪

@sokiyoutuber5023 8 месяцев назад

hello friend, I've been following you for a long time, that is, you and your work on the channel. Would you like to record all your tools that you have modified, repaired and made. I'm a big fan of yours. Greetings from Serbia.

8 месяцев назад

Great work again. Where do you buy your charge boxes from?

@gear_show 8 месяцев назад

I bought it form China.

8 месяцев назад

@@gear_show Is it available online? Because I want to buy for Makita 40V series but I don't know where to buy. I appreciate your suggestions

@DM2YT 6 месяцев назад

How many hours of backup will it provide?

@-magdygomha6130 8 месяцев назад

Perfect

@donalexey 8 месяцев назад

Why did you put permanent magnets? To not lose voltage on stator?

@salvagedsteelstudio 4 месяца назад

Awesome, but I would have changed the chuck so it's compatible with the normal flap/cutting-discs.

@dwainegabriel1807 8 месяцев назад

Are any of your rebuilds for sale ?

@adinpacan 8 месяцев назад

Awesome

@aunabreslingaming3279 4 месяца назад

How much more power and rpm did you get out of it?

@Chris-cz6hn 4 месяца назад

This one would work just fine for me in the US.

@JTshoot 5 месяцев назад

That's a cold solder joint right there

@MartGrag-qp1ps 4 месяца назад

I wonder how this wizard worked with an internal winding without an external one? Miracles of modern editing.👍

@WotMinecraftMaster 4 месяца назад

He used magnets, so there's no need for external winding

@nathkrupa3463 8 месяцев назад

Please make a video on industrial types metal cutting machine restoration

@ohhpaul7364 8 месяцев назад

Does your grinder rapidly discharge the battery?

8 месяцев назад

Used new Milwaukee and it lasted 10-15 min, so yes probably this will last 5 minutes

@BigTCars 4 месяца назад

It seems fitting that he painted it Chicago Electric orange. I get this guy isn't American. So he probably doesn't know what Harbor Freight is, but that's the best part for me. LMAO Great hack. 10/10

@user-tu6tz7bq6n 6 месяцев назад

درود..دست خوش مردو..ای ولابه هنرت..کیف کردیم.دم شموگرم کاکو🎉🎉🎉

@larrykelly2838 8 месяцев назад

That is a heavy duty grinder.

@gear_show 8 месяцев назад

Yes, it is.

@electronicsgyan.902 8 месяцев назад

Can you show your work Shop and your tool please sir ❤

@MrKimgraesdal 8 месяцев назад

Is it only you on the channel, and what country are you from 😊

@giannidigirolamo8868 4 месяца назад

Great restoration. I personally didn’t like the solution for the battery holder…not as fancy as the rest of the painting.

@TheBengineer3712 5 месяцев назад

Do you have any protection for battery over discharge?

@kornaros96 5 месяцев назад

Makita puts the BMS on the battery. I can't say about the 42V brick though.

@user-uu6hz6yd9d 6 месяцев назад

Сколько времени под нагрузкой один аккумулятор выдержит?

@nelchan2421 8 месяцев назад

23:17 Always remember not to charge the battery after it has been used and discharged. sorry for my bad english

@449shivakeshavamachani6 8 месяцев назад

Is there any possible chance to get a rc drill machine from you sir?😊😊😊

@don_zulo 8 месяцев назад

Anybody could explain what he did with the brushes connected to battery?

@LeeMooEez 8 месяцев назад

In future project..will you consider using a proper primer and clear coat to make the paint last longer? Since you said….tool with aluminium body is shock hazard 🥶

@adinpacan 8 месяцев назад

It's 40V, not dangerous)

@LeeMooEez 8 месяцев назад

@@adinpacan that after he convert it…how about like his other project that not converted

@Duda286 5 месяцев назад

im just a bit suspicious the actual RPM of it got lower due to the battery arrangement, partly because of the lower voltage but maybe also because of some specific electromagnetic issues with Brush DC motors that usually do not allow them to spin real real fast, but since this is a very big angle grinder maybe it had only 6000rpm anyway... But yea... Very fast spinning dc motors are brushless, that is, basically triphase motors with a controller

@holzwurm_hd7029 4 месяца назад

19:15 that is likely a cold Solder joint. Please get yourself a higher wattage soldering iron.

@REVY01 8 месяцев назад

Can somebody explain to me what the benefits are of making this lower voltage, wouldn't this mod make the grinder perform worse under heavy load?

8 месяцев назад

It will probably be about 25% original power, and battery won't last more than 10 minutes for heavy cutting.

@thetomster7625 4 месяца назад

man... it looked so nice before you added the modification

@kintag4459 8 месяцев назад

جـزاك الله خيرا

@gear_show 8 месяцев назад

Thank you!

@user-wy4ps1gk4d 8 месяцев назад

Вы там вообще бешеные :) Лютую дичь творите. Нравится.

@gear_show 8 месяцев назад

Да, возможно, хаха :D

@mauricioclaudio3510 8 месяцев назад

Muito bom, por favor me esclareça uma dúvida , é só ligar a bateria no interruptor e ligar ? Não tem nada de placa , resistor , ou alguma peça eletrônica ?