Making a Straight Edge (south bend part 2)

  Рет қаралды 19,635

the shed dweller

the shed dweller

2 жыл бұрын

In this video I show you how I made a straight edge without a reference device, using nothing more than a three lengths of mild steel a few hand tools and lots of time.
The straight edge is an instrument I need to help me check out the Vee ways on my south bend lathe how I do this will be on my next video.

Пікірлер: 106
@thecorbies
@thecorbies 2 жыл бұрын
Ah yes. I remember my engineering tutor telling us this idea, and LOVING this 'mysterious' technique literally on day 1 of my apprenticeship. Regards Mark in the UK
@Thesheddweller
@Thesheddweller 2 жыл бұрын
Hi. thank you, It’s surreal really, because you can spend lots of time trying to get what you’re after then suddenly all three plates agree. regards
@captainraypaul4919
@captainraypaul4919 2 жыл бұрын
Great job Paul! It's hard to find guys that will take the time to do it right nowadays. Patience is a virtue and always pays off! Great video!
@Thesheddweller
@Thesheddweller 2 жыл бұрын
Hi Thanks, my patience was pushed a bit especially after a couple of 10 hour stints, my back felt like it had broken. it’s worth it in the end. regards
@leslieaustin151
@leslieaustin151 2 жыл бұрын
Gosh! I thought this might be boring, but I couldn’t believe 18 minutes had flown by as you began your final remarks for the video. What an effort!! Well done. And gulp at the cost of professional repair, as my old ML7 needs some similar sorts of love, and this stuff is beyond me. Les PS. Leave your wife’s NEW sewing machine alone!
@Thesheddweller
@Thesheddweller 2 жыл бұрын
Hi, thanks for your comments. But, sewing machines are fascinating little gadgets. :) regards
@bigtrev8xl
@bigtrev8xl 2 жыл бұрын
Very impressive from a man in his shed 😉...that's a serious amount of patience shown there, great job.. I also remember tutors back in 1973, talking about making surface plates they'd made, using this method
@Thesheddweller
@Thesheddweller 2 жыл бұрын
Hi, I have made a set of plates but I didn’t go the whole nine yards to get it to a decent quality. I do use it for marking out though. regards
@craigtate5930
@craigtate5930 2 жыл бұрын
love the way you are approaching this
@Thesheddweller
@Thesheddweller 2 жыл бұрын
Hi, Cheers.
@lecnac855
@lecnac855 2 жыл бұрын
Excellent work brother as usual.you never fail to impress.
@Thesheddweller
@Thesheddweller 2 жыл бұрын
Hi thanks, I try with what i’ve got and if it don’t work, I try again. cheers
@ViliDer
@ViliDer Жыл бұрын
Well done video, thankyou from Canada.
@Thesheddweller
@Thesheddweller Жыл бұрын
Hi, sorry i didn't reply, I missed your comment. Thank you. Cheers
@matts_shed
@matts_shed 2 жыл бұрын
I really enjoy your videos Paul, and look forward to the next each time I finish. Just thought I'd let you know.
@Thesheddweller
@Thesheddweller 2 жыл бұрын
Hi, Matt. Thanks for your very kind comments, cheers.
@andrewdolinskiatcarpathian
@andrewdolinskiatcarpathian 2 жыл бұрын
Exceptionally interesting and educational. Thank you for taking the time to share. 👏👏👍Andrew
@Thesheddweller
@Thesheddweller 2 жыл бұрын
Hi, thanks. you’re very welcome. cheers
@howder1951
@howder1951 2 жыл бұрын
Great work Paul, an it makes my budget approval as well . Lots of work and time, but it does come nice after time. I used to do a considerable amount of journal bearings like this, but flats are pretty impressive to work on. Enjoyed the video, cheers and thanks!
@Thesheddweller
@Thesheddweller 2 жыл бұрын
Hi thanks, glad you enjoyed the video, the next might just fry my minuscule brain cell. we’ll see. regards.
@RedDogForge
@RedDogForge 2 жыл бұрын
excellent video sir. every machine shop should have a surface plate, the bigest one they can afford and have space for. your solution for the lack of such is informative, inspiring, and entertaining. thank you so much for sharing :)
@Thesheddweller
@Thesheddweller 2 жыл бұрын
Thank you, glad you enjoyed. regards
@piotrp5472
@piotrp5472 2 жыл бұрын
your patience knows no bounds, but a master's job
@Thesheddweller
@Thesheddweller 2 жыл бұрын
Hi thanks, my back aches a bit…. well a lot really but its worth it. regards
@serralheriaLCB
@serralheriaLCB Жыл бұрын
Muito bem explicado e de faceio entendimento estou feliz Luiz Carlos !!!
@Thesheddweller
@Thesheddweller Жыл бұрын
Olá, obrigado por seus comentários, fico feliz que você tenha entendido. Saudações
@be007
@be007 2 жыл бұрын
nice job mr hopewell, keep them coming. greetings from the netherlands, ben.
@Thesheddweller
@Thesheddweller 2 жыл бұрын
Hi thank you, plenty more to come. regards
@Watchyn_Yarwood
@Watchyn_Yarwood Жыл бұрын
Rustinox sent me! Great work, love your humor! (note the spelling)
@Thesheddweller
@Thesheddweller Жыл бұрын
Hi,thanks for the comments. Cheers
@TalRohan
@TalRohan 7 ай бұрын
I am looking into making a set of these and a surface in order to make sure a surface plate I have is flat....mostly because I want to make it as flat as possible not that I need it to be and I do have the time available so I appreciate your video. Thankyou for sharing
@Thesheddweller
@Thesheddweller 6 ай бұрын
Hi, thank you, I'm glad you enjoyed the video.
@TheKnacklersWorkshop
@TheKnacklersWorkshop 2 жыл бұрын
Hello Paul, Great stuff... I really enjoyed this video, thank you.... Take care. Paul,,
@Thesheddweller
@Thesheddweller 2 жыл бұрын
Hi, Cheers.
@user-oh9dh5hs3l
@user-oh9dh5hs3l 7 ай бұрын
Great VIDEO SIR ... GREETS FROM DENMARK EAST to DANELAND West.
@Thesheddweller
@Thesheddweller 7 ай бұрын
Wellcome Pagan from another Pagan, nice to hear from a distant brother. 🤭
@1crazypj
@1crazypj Жыл бұрын
Micrometer Brand Engineers Blue, I think it's the first time I've heard it mentioned on You Tube? I still have a tin of it I picked up about 40+ years ago. As soon as you look at it, it gets 'everywhere', the more you try and clean it up, the further it goes 😁 I very rarely need to use it and when I do, as you said, use some 3 in 1 to thin it out a little. I have mostly used a Sharpie/felt tip pen for general layout for as long as I can remember but Sharpie has a noticeable 'thickness' when used for checking mating surfaces plus dries out so doesn't transfer well
@Spankplanker
@Spankplanker 10 ай бұрын
Great video; very infornative, thank you. I came across this whilst searching for advice on fixing a straight edge for a recently purchased fret ruler. (If I'd tried using it out of the packet, it was so far off that I could have seriously damaged some guitars!) Also, love how you've repurposed the old file as a scraper!
@Thesheddweller
@Thesheddweller 10 ай бұрын
Hi, thanks, Im' glad you enjoyed the video.cheers
@christopherdwayne1110
@christopherdwayne1110 2 жыл бұрын
Thanks for that ,good to see how you have made honey out of flat plate and skill not money.Dwayne New Zealand.
@Thesheddweller
@Thesheddweller 2 жыл бұрын
Hi thanks, I miss New Zealand it a wonderful country, I have traveled all over on bikes and in Maggots (campers). More Videos to come.
@Imba-gt7qi
@Imba-gt7qi Жыл бұрын
Why you dont use carbo grid powder for grinding a>b b>c a>c a
@Thesheddweller
@Thesheddweller 11 ай бұрын
Hi, thanks I'll try to remember that. cheers.
@TrPrecisionMachining
@TrPrecisionMachining 2 жыл бұрын
very good job
@Thesheddweller
@Thesheddweller 2 жыл бұрын
Hi thanks, regards
@HansWeberHimself
@HansWeberHimself 2 жыл бұрын
It shows how humanity achieved precision through comparison and lots of patient work. Great demonstration. Today one might use a laser. But to make a laser …. You know.
@Thesheddweller
@Thesheddweller 2 жыл бұрын
Hi, yep know.. :-)
@glennwright9747
@glennwright9747 2 жыл бұрын
Incredible patience!
@Thesheddweller
@Thesheddweller 2 жыл бұрын
Hi thanks, there were times…….. well you know.. regards.
@marklatham5692
@marklatham5692 2 жыл бұрын
Paul, this is spectacular. Am looking forward to the next part! If you need more lipstick ...
@Thesheddweller
@Thesheddweller 2 жыл бұрын
Hi, Errr.. don’t mention lip stick. regards.
@NellsMechanicalManCave
@NellsMechanicalManCave 2 жыл бұрын
Hi Paul. Just found your channel via this video and I've subscribed. Very interesting method of making the straight edge. I need to work the bed on my 80 year old colchester master before long and found the price of a straight edge or regrind very prohibitive as you did. I'll be very interested on your approach to mapping the lathe bed and will follow this closely. My little workshop and channel is still evolving as I delve into machining as a hobby from a career in heavy engineering and maintenance. Finding people like yourself who can provide good content and concise descriptions of what you are doing is a must. Thanks for the video Cheers Neil
@Thesheddweller
@Thesheddweller 2 жыл бұрын
Hi, I wish you all the luck in the world with your new channel. Mapping the bed ways are going to be done and shown in a short video soon. For your information…. I don’t have any special camera equipment, I have… 1 Aldi motorcycle camera, 1 very cheap amazon video camera supported on a wooden d.i.y. tripod, 1 very low budget clip on mic dangling off some sellotape from a bamboo cane. . The whole lot cost about £73, so what I am saying is, let nothing deter you, then try improve on the previous video with what you’ve got, most important of all, listen to your subscribers and you’ll soon be finding the whole adventure a pleasure. regards.
@NellsMechanicalManCave
@NellsMechanicalManCave 2 жыл бұрын
@@Thesheddweller ha ha, brilliant! My set up is an old smart phone mostly mounted on the remains of an angle poise lamp😁 I have loads of enthusiasm, no money and back that that fails after 20 minutes of standing up, but we plod on. Just made a butt prop which is great, I can treble my standing time now which means I make even more mistakes😊 Looking forward to your next upload, cheer Neil
@Thesheddweller
@Thesheddweller 2 жыл бұрын
@@NellsMechanicalManCave :)
@carlwilson1772
@carlwilson1772 2 жыл бұрын
Enjoyed very much indeed. Inspiratjonal. I will have to watch a few times to fully appreciate it all. I can remember doing a similar technique during my engineering training but using draw filing.
@Thesheddweller
@Thesheddweller 2 жыл бұрын
Draw filing must have seen off a few files, mind you they could have been used as scrapers. :-) regards
@carlwilson1772
@carlwilson1772 2 жыл бұрын
@@Thesheddweller Yes. I was an aircraft technician in the Royal Air Force. In the first part of the practical side of my engineering training, they showed me what I had to make. A rectangular block, squared up, with various tapped holes in it. All hand work with files at that stage. So they showed us this nice flat, rectangular block with all sides mutually orthogonal, then gave us a piece of black bar that was practically round. Cue lots and lots of filing.
@Thesheddweller
@Thesheddweller 2 жыл бұрын
@@carlwilson1772 Round bar…!. that was cruel.
@carlwilson1772
@carlwilson1772 2 жыл бұрын
@@Thesheddweller Perhaps it was but it worked.
@Thesheddweller
@Thesheddweller 2 жыл бұрын
@@carlwilson1772 I had the same task at college, with round, stock but had to square it up using four different machines to get it somewhere near, then draw file to 2” square, mine ended up in the bin. If I remember rightly the tutor threw all of them in the bin, he was strict but we all learned from it...
@stanstevens3783
@stanstevens3783 2 жыл бұрын
You are a patient man. When I was looking for a 1 metre straight edge som years ago I was advised by the dealership that a length of 4 “ bandsaw blade was quite accurate. Mounted it to a backing wooden board for handling purposes. He did say it was accurate to about 1 thou.
@Thesheddweller
@Thesheddweller 2 жыл бұрын
Hi, did you ever get one?
@stanstevens3783
@stanstevens3783 2 жыл бұрын
@@Thesheddweller Yes I did this, was about $40 from distant memory. Mainly use for checking and setting woodwork machines. The blade doesn't have teeth, the firm I bought it from manufactures blades, and also sells straightedges, but one of these at 1 metre was in the several hundred dollars.
@Thesheddweller
@Thesheddweller 2 жыл бұрын
@@stanstevens3783 A great idea and a good tool, especially if you still use it. sometimes the old ones still rate as the best. cheers
@Engineering_Science
@Engineering_Science Жыл бұрын
0:58 - "I can't afford one, but can I make one?, No..., Can I make three?... Lets find out." (The answer is obviously, yes). I heard a precision machinists once said he can't afford what he makes for which he sells lol 😂
@gregwmanning
@gregwmanning 2 жыл бұрын
Excellent video I will need to watch it over (a few times maybe) to understand six step process. I get your dilemma on the cost of professionally regrinding the bed. The solution is swapping professional cost with your labour (time) at home. If I were in the same situation I would offer the professionals off the books free labour around their factory/workshop for the regrinding job. At the cost of labour these days your time even with a healthy excess margin maybe comparable to the time spent at home doing the best you could. Enjoyment doing it yourself at home verse enjoying working in a modern workshop. It could be a win win solution?
@Thesheddweller
@Thesheddweller 2 жыл бұрын
Hi, thanks, thats a great idea. It might be worth a try if they have manual machines. However, they would probably work the same probationary process that the company I worked for used. As a charge hand, I knew that 'new employees' cost the company a lot of money until they had completed the probationary period. This includes huge amounts of time with health and safety, induction courses, fire drills, overalls, thats before the machine familiarity and assigning another operator to oversee ’the new guy’. this is because of the size and cost of machines and the cost of materials is so high. Oooo… I just found myself reading the riot act again .. I think I’ll just do it myself. regards
@KIJs-gc6ux
@KIJs-gc6ux Жыл бұрын
👍👍👍
@Thesheddweller
@Thesheddweller Жыл бұрын
Hi, sorry i didn't reply, I missed your comment. Thanks. Cheers
@carloszacarias4526
@carloszacarias4526 Жыл бұрын
Sir, your work was very didactic for me. I´m trying to do something similar. Regarding the engineers blue, there are several tricks around, in my case, due to the lack of good suppliers in my area, I prepare mine using powder prussian blue into vaseline. it works fine for me. I could get flatness of 5 microns in 1.2 meters.
@Thesheddweller
@Thesheddweller Жыл бұрын
Sorry to appear so patronising but, I do try to aim for middle ground in my explanations. I have pointed out before that, I only show how I did what I did and hopefully I won’t be telling anyone how to do anything, because there are literally dozens of ways to do any engineering task, as with your powder and petroleum jelly to replace engineers blue. I do however, understand your supply issues. regards
@SoBoring136
@SoBoring136 Жыл бұрын
A lot of young people could learn a lot from your attitude alone sir
@Thesheddweller
@Thesheddweller Жыл бұрын
Hi, thanks, much appreciated. Cheers
@SMOKEY-JAYS-DIESEL
@SMOKEY-JAYS-DIESEL 7 ай бұрын
You could have done all of this bed leveling and checking twist using a plumb bub 🙌🙏 I just made a video on how to make a metal rod that goes 3 ft. Up and attaches to the tool post cross slide and it hangs a plumble down. 100% accurate if done correctly
@ctprjcstv3998
@ctprjcstv3998 2 жыл бұрын
8:57 You can use a U-shaped aluminum stock to prevent tilting. Use glue to attach sand paper to it
@Thesheddweller
@Thesheddweller 2 жыл бұрын
Hi, maybe,… maybe but, I needed some rigid straight edges. cheers
@tinker5349
@tinker5349 2 жыл бұрын
Before you pay someone else always try to do it yourself. Mr Green would of charged about £90 quid to machine them flat. Very well done look forward to the next video. Trevor - UK
@Thesheddweller
@Thesheddweller 2 жыл бұрын
Hi Trevor, thanks for your comment.. it probably cost me £90 in electricity through lighting alone :-) ,.. who is Mr Green?
@Raul28153
@Raul28153 2 жыл бұрын
I think I'd have been tempted to machine at least one of the straight edges into a sort of a flat topped inverted V so as to get around the problem of windage. I've seen a video of this normalizing process before. Yours is way better. That other fella used abrasives. Did you look into the cost to have the edge ground to some stated tolerance?
@Thesheddweller
@Thesheddweller 2 жыл бұрын
Hi Raul. No, i didn’t look into the cost of getting the edges straightened because, the cost of getting stuff done here in the UK is prohibitively expensive. For instance getting a tooth refitted to the back gear wheel is in excess of £500, then I’ve got to re-profile it afterwards. I’ve used these straight edges quite a lot lately and they still confirm true against each other. After Ive finished the lathe I’ll probably use the material from these straight edges on some project. regards.
@Xev729
@Xev729 10 ай бұрын
Whitworth method!
@Thesheddweller
@Thesheddweller 10 ай бұрын
Hi, that is correct. cheers
@Dr._Spamy
@Dr._Spamy 2 жыл бұрын
I'm still not sure: are the high spots where the blue is, or where it's not ? ;)
@Thesheddweller
@Thesheddweller 2 жыл бұрын
Hi, the blue spots are where both edges touch each other. cheers.
@tomeyssen9674
@tomeyssen9674 2 жыл бұрын
Ah yes the "3 plate method" you are the genius.
@Thesheddweller
@Thesheddweller 2 жыл бұрын
Hi, thank you for your comment.. I don’t think I'm a genius there are more practical people out there than me. cheers
@TroubledTimes2024
@TroubledTimes2024 2 жыл бұрын
Well, you may not be able to run all that well but you sure can think :)
@Thesheddweller
@Thesheddweller 2 жыл бұрын
Hi Ken, thanks, regards
@WireWeHere
@WireWeHere Жыл бұрын
You've Shed some right on getting our ABC's straight but it looks like you're only scraping the surface.
@Thesheddweller
@Thesheddweller Жыл бұрын
Hi, not quite sure what you mean here, but all I needed to do is one edge of all three work pieces to get a straight edge. regards
@WireWeHere
@WireWeHere Жыл бұрын
@@Thesheddweller It's a punny compliment. Happened upon your channel yesterday and I wondered if people realize the gift sharing knowledge is... and I watched the entire video while my subconscious was resting then somebody woke up with a comment on mind. Crazy? Yeah probably, but quite harmless. If people are strange are strangers stranger? Damn, got a song stuck in my head now... a good one this time. Cheers from BC Canada
@Mr7yhnmki8
@Mr7yhnmki8 2 жыл бұрын
Thanks. Now I have a headache.
@Thesheddweller
@Thesheddweller 2 жыл бұрын
Hi, I hope I haven’t caused you any undo stress after watching this. regards
@Mr7yhnmki8
@Mr7yhnmki8 2 жыл бұрын
@@Thesheddweller - I was just trying to be funny. Maybe I need more practice.. I think I’ll hang around as I suspect I’ll learn a lot from you.
@Thesheddweller
@Thesheddweller 2 жыл бұрын
So was I, hey the written word can always be mi- interpreted. cheers
@rok1475
@rok1475 Жыл бұрын
Too bad you didn’t mention Joseph Whitworth even once in a long video about using Whitworth method.
@Thesheddweller
@Thesheddweller Жыл бұрын
Just wondering….. you're not in someway related to him are you?… 😁
@DieselpunkMachine
@DieselpunkMachine Жыл бұрын
I've lost my fingerprints three times in three years on this job🤣
@Thesheddweller
@Thesheddweller Жыл бұрын
Great fun, init.😁
@billshiff2060
@billshiff2060 Жыл бұрын
"veritable JCB" ... does not compute.
@Thesheddweller
@Thesheddweller Жыл бұрын
‘JCB’ here and in quite a few places around the world is a tractor 🚜 with a shovel on the front and a digger on the back, for its size it is powerful and universal a sort of small CAT earth mover. In this case, to be a ‘veritable JCB’ implies to shove material off at a good rate
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