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yea i made one myself with just one fat copper wire going around, it took a lot of lubricant to pull the wire through, it can do 2mm but its a bit of a struggle and has to heat up first, i built it...

unsure how many have seen this, but there was a TIG sorta welding machine on youtube from china showing that it could fire a burst so sudden that it could even join copper and steel alloys- this...

christ, i would like to own a 30 ton frontloader one day, but full tungsten carbide drill set is also on the higher end of neat stuff to have-list

we have all tried tacking up some metal on a metal table and then suddenly its stuck to the table itself where you didnt even weld it- right? so i tried to utilize this today but to no avail, now ive...

company im working for right now at a project have started buying a specific brand of cutting disks and they say it just goes right through stainless like butter- ill try to get a hold of what those...

hey i know this is about a year late- but, you can take a concrete drill, the - type not the + type, and you can sharpen the tungsten carbide tip using angle grinder
and with a bit of frustration it...

i think i found one way to do this, basically it operates on a bolt that has a piece of square metal plate wrapped around the top but not so that it goes 360 degrees around, there is a gap in the...

that might be quite close to what im looking for, ill look into this later, im out of time for today- thank you for sharing!

yea you need a hammer drill for that, and that operates on pendulum mechanism to provide the forward and backward motion

strongly disagree, when you buy something you buy it with the set limit it comes out of the factory with- just like young people tuning their cars, they want something extra and to customize it
...

hmm i dont think this features what i need, i want rotation loading a spring that then continously releases the tension of the spring in a forward motion, this seems to just work to accumulate the...

i already have a hammer drill- but its not battery operated, its about 10kg heavy as well. i work on maintenance and i know the worth of having lightweight tools that can fit into a hand drill, as...

ah i see, yes i thought of impact driver but that has an rotation going forward and then the impact happens to the sides rather, i want the impact moving forward so the spring as to engage- and then...

hey so i woke up last night early and i had this concept in my mind of a hand drill rotating and engaging a spring, compressing it and then releasing it
it could be used to make a easy hand drill...

anti corrosion oil, simply put is oil that has sulfur in it, the sulfur reacts with the oxygen in the air and prevents your steel from reacting instead with the air
its done super simple by just...

most of us has tried that one rod thats mounted on another rod, secured with a bolt, maybe even with a measuring gradient still intact.
it kind of works, but once you lock that thing in, and you...

nice, reminds me that i did use one thing to control one axis, i clamped down a piece of square rod horizontally with the drill press table so that i could control it like that, then i just slided it...

the bolts are usually bent, they hold down a 20mm steel plate which has a 200x200 pipe ontop, and if it needs replacing then its because a front loader rammed it

we do have large keys designed to...

Usually at my job, we just cut them at the base, move 50mm to the side and drill a set of new holes. 30mm holes. that thing is not forgiving if it decides to bite the concrete, your body breaks...

i believe im not posting off topic, shortly after coming across this thread i got to witness our most beastly machine taking out wrist sized steel cables one by one with spectacular noise, so i had...

yes i havent quite figured out how to make a simple machine for dishing out maybe 20mm of spacing with a single click, i just do it by hand and it takes quite some concentration to get it well. but...

so the problem with putting this tool together has always been attaching the damn scotch brite. just to explain what this tool, its an abrasive tool thats inserted into a drill press (it doesnt work...

if one part is too short youre certain to get perfect penetration on a weld, theres no bad without good. :)

indeed making it 3-4 sided helps, reference arrows used for hunting.
one place i worked we had to make some sharpened rods for penetrating something- i truly cant remember what the hell it was, but...

if you need to produce a lot of equal lenght rods, fast, you can make your own angle grinder stand with fitting vise, or really just run it through a mounted pipe thats about 10mm off the table/plate...

i thought this would translate onto wrist-thickness rusted up steel cables, ah well.
the tool is quite nice for it since its sorrounding it and pressing in from all sides so it doesnt get all...

if a drill fits in a hand drill, and you can really FUBAR'd it, skewing the sides up or messed up the angle you can use this trick
ideally you wanna run it counter clockwise while sharpening it on...

So ive been tasked with cutting up large steel elements for 10 days, and not being an actual robot like my coworker who dont care about standing right ontop of a pile of 10kg of redhot glowing metal...

im the kind of guy that wakes up in the middle of the night with some ludicrous idea or solution to a problem that seems to have no end
i have dealt with chemistry for more than 10 years as a hobby...

mirror polish isnt very difficult, but cutting SS to avoid discolouration i would suggest putting down a strip of paint tape and then cut right in the middle of that, should keep the oxygen out....

From the videos im seeing them adhering zinc coating it doesnt seem like a very major amount of gas is being used, currently my job is chopping up steel with a 2m long butane-oxygen torch, we get...

Im finding nothing on google with this device as DIY, but its really just either metal wire or powder dumped into gas-fuel flame thats then fired directly onto bare metal with great adhesion.
I like...

my take would be to either drill slightly larger holes so you dont have to cut as much material, since the material is hardened it should make for extra strong threads anyhow- or go all the way and...

I learned that a wavy patterned metal plate with a cracked surface is called steel clad, its some fancy type of abrasion resistant metal plate where high-carbon chrome (steel alloy?) is welded on top...

yep seems about right, kinda buzzkill when i realized steel clad didnt mean they demolished 2 sheets to get them to bond, it seems chrome carbide is most common for this
its used in some large...

Its some type of antiabrasive steel priced at nearly 10euro per kg and is supplied in 15mm plates. Its plasmacut and has an funny wavy pattern and features large cracks halfway through the plates. It...