I am a retired machine tool fitter of 50 years experience, and I must say your hand scraping is very good indeed, you are not far off with you tecnique, and I love you enthusiasm to learn, your adaption of the saw to make a machine scraper is mindblowing! the stroke is a bit long for me, but you had to work with what ypu've got. My hat's off to you, thankyou for uploading, cheers Dave from the UK
As always, Ca Lem, your narratives with little if any dialog are most informative. Also, you continue to amaze us with your ability to salvage wonderful tools and capabilities from what many of us would deem scrap. The refurbishment of the Sawzall was terrific! The tool holder made from a combination of freehand work and careful machining was enlightening. Continued success to you and your family!
Yes a few kind words are easy especially when we are taking about such a talented and hardworking young gentleman. Ca Lem is a gifted man and we are lucky that he takes the time to make these videos for all of us.
@@andyZ3500s See, it is indeed easy when you have the likes of Ca Lem to light the way. If he ever comes to America, I don't think any one is going to out work him or out ingenuity him!
Ca Lem, you are such an inspiration to us all. Your never ending efforts to perfect new skills is something to behold. Thank you so much for these awesome videos! Your hand work and creativity never cease to amaze us. Wishing you great fortune and success in all that you do!
Man, I always enjoy watching your experiments. It's like I can see you learning as you go ... I can almost hear the wheels turning in your head! Very much a pleasure to see. Thank you!
Been watching for a while now, love how you show us your learning process and the obstacles you have to overcome. Awesome little power scraper you made :)
You're ingenuity and hard work are an inspiration. I'm sure everything in your shop will be scraped to dead flat in short order. You are a truly impressive person.
I have a bit of a 'MacGuyver' reputation among friends and family. Once after fashioning something out of bit and bobs a friend said, 'if there's ever a zombie apocalypse, I wanna be on your team." I was flattered, for sure. Well, I'm extending the same sentiment to Lem here, I really want to be on his apocalypse team. What a great builder and creative hacker. I love that bit with the housing and the band saw. Housing in the way? BAND SAW! Such a precise build. Bravo.
Nice work! Biax blades are a little bit thinner and have rubber pad where the blade gets screwed in, so if the blade feels to hard, try a thinner blade and put a layer of rubber, like from bicycle tube between blade and the mounting mechanism.
3 года назад
Thanks man. I really need to get used to it first.
I think Stefan Gotteswinter has a video where he talks about the rubber pad at the blade base. As I remember its a pretty important thing for proper operation of the power scraper.
That old sawsall was so well built! Amazing! I wish that power tools today were as well built as those old timey tools, they lasted forever.... Ca Lem, it is always a pleasure to watch a genius at work! You have an amazing mind and equally amazing skills! Thank you so much for sharing your work with us. You inspire us all! :)
Brilliant build on the power scraper. I like the way that you shortened the stroke. The explanation of how the Moore Pattern works was easy to understand thanks.
inexpensive, but by no means what i would call "cheap". What I mean to say is, its done very well. and for all the silence, you share many of the needed details on screen. you got skills Ca!
Way to go! People always seem to be stopped when they can't have or can't find something. I love it when I see people that don't let that stop them doing what they want.
Excellent video, very well made, and thanks for sharing. I appreciate you mentioning the basic scraping techniques, because I originally thought there was just two: manual or powered.
Hi, Nice ingenious project. I've tried learning myself scraping too, and even took some classes. I don't know about robin's technique but here are some tips for 'straight' scraping: - I see recurring lines through the scrape marks in the hand scraping, this can mean your blade has a (micro) chip in the edge, check with a magnifier. The edge needs to be finely ground with a sharp edge. Grind with the wheel rotating into the cutting edge to prevent chipping/fractures, preferably with diamond wheel, and hone with a very fine wheel. Watch out for the grinding dust, it is bad for your health, wear a good mask for very fine dust. Test the cutting edge on your finger nail it should dig in and not slide. - For normal scraping you can remove(grind) the sharp points from the side of the blade, It prevents you from scratching up the workpiece, and there is no downside (not sure if this is no problem for robin's technique too) - I don't see any chips being made. Only scraping the blue off does nothing, you should really be able to make chips. - When running the machine try to have a bit of force down on the blade. For A biax you aim for about 2 KG on the tip if you put it on a scale. - The blades for the machines also have a bit of spring. If the holder in your machine is too stiff you can mill out a section along the length about 5 - 10 mm wide, perhaps 0,5 - 1 millimeter deep, maybe it helps. These are just some tips, hope you have fun learning it. If you want to read about it find the book 'Machine Tool Reconditioning' by Edward F. Connelly (You might be able to find a pdf somewhere online)
Wow, clearly your thinking on your feet. Well done on the modification to the saw, that's going to save you some time in the long run. Always impressive to watch your videos, you never disappoint. Thanks Stay Safe!
Awesome rebuild! When I watched you later in the video, with the hand scrapers, I wondered why you didn't make your power scraper to use the carbide like the hand scrapers... I have no experience scraping, but it certainly appears to be a good practicle skill for you to learn and add into your machine rehabbing toolbox! Another awesome video!
I've been wanting to do that to a seawall I have in the drawer but it's not built as adaptable as yours. You've inspired me to try again. Thanks for the video.
You've got talent with showing us your modification of the power saw. As far as scraping, don`t have much experience with it on my part but I understand when watching it being practiced by you to establish a tecnique. Will be watching.
If you want to make comfortable pull scrapping best is to built a swiss tool with the blade mostly vertical and a close to 90 deg handle ( as a hammer shape ) . Thanks for your interesting video . Another challenging domain is the soft bearing scrapping , different tools , different technique but interesting too.
Dude! You always impress me with your skills. You make the best of what you have and do a really good job. I always learn something from watching your channel. Thanks for sharing your content.
Hello from Russia!!! In Soviet Union produced the dual-mass power scrapers. Your scrapers have a lot of vibration and it hard to work. Think about to add second mass or cut the moving mass for decline vibration. Have a good work, best regards!
@@car9167 he probably means having a second heavy slug of metal inside the machine reciprocating in an opposite direction to the scraper blade. That way the accelerations cancel each other out.
@@rhysd5410 Maybe but that would be difficult to implement. Making the body way heavier to add mass/inertia is another way to go. I'm thinking conservation of momentum here. The higher the mass on the body the smaller the kickback
I have wanted something just like this, only I wanted to attach different files; round, flat, fine, medium, etc. Files for projects that didn't need that sensitive touch at first, or at all. *Well done Ca Lem.*
Wow! Awesome work as always!! I've watched your videos for many years, your journey has been amazing! 👍👍🍻 That old recip saw looks way better made than anything I can buy today!! Machined gears, bronze bush for the slider, nice thrust bearings??!! I took apart a cheap recip saw for maintenance a few days ago, didn't find any of those parts 🤣🤣 Even my old jigsaw had better parts than the cheap recip saw. I did take apart my bosch gsa1300pce to see how much better it was (plain curiosity), but it's just got some fancy electronics, not-so-fancy mechanicals and a whole lot of rubber to cut vibrations. Neither machine even has a metal gearbox casing! Just plastic plastic everywhere.
