I made a Holdfasts clamp using a screw and a square pipe. Very easy to use and can be fixed firmly. Parts list ・adjuster bolt amzn.to/3cYKcNt ・plastic knob amzn.to/3qqAmXL ・Square pipe amzn.to/3BsNEJK
@ EngineerMike F: I occasionally use sections of used, replaced bicycle inner tubes (they come in various diameters) as a protective lining, as well as heat-shrink tubing, but in vulcanized natural rubber it's inherently softer. And you can usually get them for free in bike repair shops if you don't ride a bike yourself. Here maybe the tube of a racing bike for the threaded rod and for the clamps Pieces of a touring bike inner tube.
@Mama C I think that the size should be made easy to use according to the workbench to be used. I didn't include the dimensions because I didn't think the size was important. The point to note is that I do not use aluminum materials. All made of iron.
Trinity, thank you very much for ypur information. I've already noticed about this, but it is missing from JSK-koubou the measures of the "square guide".
Coat the bench threads with epoxy to fill them in. Then spin and sand in the drill press. That way you don't enlarge the diameter with shrink tubing or a sleeve.
The threads will eat up your worktop - for those with a 3D printer, it's really easy to use a slightly smaller screw (saves money too) and 3D print a threaded tube to slot over it. This lets you dial in the size for your worktop, protects the edge, and still has all the strength thanks to the screw.
This is a great idea! In regards to the threaded rod wearing out the holes in the hardwood bench, I don't think an average user would go through enough clamp cycles in a lifetime to do that.
Specially if the user takes a bit from the very edge of the thread... simple wet or dry sandpaper will easily kill the very edge, leaving enough to hold the wood of the bench, but lessening any pronounced wear of that wood!
Clever solutions. Instead of using all-thread, one could use rod and just thread a portion of it. The resulting dogs wouldn't chew the wooden holes as much.
Not even taking into account that you need like 5 machines running on 5 expensive / overcomplicated gigs. I mean, if you show how to make it with a jigsaw and a drill press; fine, alright. But if you need a NASA lab to build a clamp, then it's kinda killing the purpose and wasting our time as viewers. The result is beautiful (except for the wooden block with the nut that is gonna get loosen everyday meaning a butt pain), but one has to consider if it's worth it.
JE TENAIS A VOUS FELICITER POUR CES CREATIONS.. QUE J'AI D'AILLEURS MISES EN PRATIQUE. GRACE A VOUS SUPERBE IDEE. 👍👍👍👍FELICITATIONS . ET SURTOUT TRES BELLES PRISES DE VUES
Sempre belli e ben curati questi video....ma sarebbe ancora più bello sapere anche che tipo di utensili adoperi con le tue attrezzature...tipo la lama circolare per il taglio dei metalli, tipo le punte per il trapano....oltre agli accessori che sono presenti x gli acquisti nel manuale web dei tuoi progetti...👍😉
If I could a suggest something for your safety, I would tell you to create a lock for your that hinges system. In any case, thanks for sharing your videos. It's so pressure and nice to watch. Hugs from Brazi 🇧🇷l
I have a Woden X112 holdfast clamp it comes with a collar to protect the hole in the bench, there were similar ones by other tool companies, to stop hole enlarging over time. It would be possible to replicate this, if you had a concern for your bench. Probably depends how often you are using these, they seem a very reasonable way to hold this jig down.
@@jisakukobo Yes, those big threads are quite sharp. Throwing them into a lathe would solve this - but we are not all lucky enough to have access to one.
I tried something similar with a simple round bar. As a result, I slipped and did not go well. I think this clamp is slippery because it is screwed in instead of being hit with a hammer. Others suggested the idea of using heat shrink tubing. I'm going to try it.
What if you don't remove the thread completely but reduce the sharpness of the threaded bolt? Then the bolt still has some small serrations that would grip, but won't bite the hole larger because it's dull. Edit: I'd also put a wooden Block inside the fixed side of the squared tube, as the force applied to the clamp might wear the tube.
Magnífico tutorial maestro, unas buenas sujeciónes para el banco, gracias por compartir tanta creatividad y conocimientos, un saludo cordial y por supuesto un gran like desde Narón (Galicia)
Totally awesome! ... but you need to have a (clear) plastic deflector or protection thingy to cover the end of the blade - it that blade comes loose or snaps, it will aim at your eyes!
Nice! I'm copying this but I am going to cut the wood to travel the length of the aluminum square tube to provide extra support. As far as the threads cutting up the wood table I was thinking of putting on some duct tape.
@@peterbeyer5755 I already tried garden hose, but found it somewhat on the too soft side... Another person suggested filling the space between threads with epoxi (I would use a steel-filled epoxi, like "JB Weld" as it is more resistant than unfilled epoxi...)
Also I wanted to say I love that you used a bolt because anyone can get a bolt from the hardware store. What if you drilled your hole at a 4 or 5 degree angle. The screw down would be angled and would snug into the hole as you tighten it. So electrical shrink tube and a slight angle might help from tearing on the holes. I got so happy when I saw this post. Please keep us informed. 😎
Резьба со временем разобьёт отверстия. В итоге эти отверстия перестанут держать предназначенный для них нормальный инструмент. Чем портить верстак, может купить струбцины? The thread will break the holes over time. As a result, these holes will no longer hold the normal tool intended for them. How to spoil the workbench, can buy clamps?
Very useful, nice and strong tool... From my point you make me in love to the wood so now I prefer more as much as possible wood and just that can't be wood made from other materials like duralumin for example... I already sent you an email... All the best regards,
Can you make one that with a addjust length setting??? Making the handle bit longer so it can be set ???? I think it Wood be a good tool for those with limited space
Since the thumbnail is a small image, it is difficult to convey all the information about the work. It is intentionally reversed to make the important parts look bigger.
As always a great idea and not to difficult to make, but i have a question, where do you buy those plastic knobs. i have searched many places, but can not find the right ones. can you provide us with a link please ? thank you in advance !!
@@acerjuglans383 Oh YES! I made some from 18 mm plywood, cutting them in a circle and then using some holesaw to create the cuts for the fingers of the hand having more grip. Used large nuts and washers and the home made handles ended up being satisfactorily resistant and beautiful, albeit they took time. But for me, that time was less than waiting for delivery of the plastic ones.
So simple, yet so brilliant! Thank you, Hiro! What do you think is the minimum depth of the workbench hole for good clamping pressure? My workbench top is 50 mm thick.
That should work. The heavy duty steel welding tables I've used are 20 mm thick and have 28 mm holes, although the holes are a much tighter fit with the clamps. But 50 mm for M20 with 20 mm holes should work fine as long as the clamping arm is long enough - clamp too close to the hole and you just pull the clamp out.
EXCELENTE. Me gusta mucho tu prolijidad. Voy hacer mis propios "Sargentos" A propósito del pegamento que utilizas (mezcla de negro y blanco) ¿qué marca es? Muchas gracias.
