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Homemade vise

Homemade vise

Hello to all lovers homemade. In our difficult times, good tools and fixtures cost a lot of money, but having some initial skills in the workshop you can do everything yourself. In this case, the author decided to do do it yourself vice, since in the market they cost from 150 bucks. For this homemade product you will need readily available materials that can be found on the metal receiver or in your the garage.

In order to make home-made vise with your own hands, we need:
* Iron plate 10 mm thick;
* A section of a profile pipe 80 x 80 x 5 mm 50 cm long;
* Hairpin with M16 thread;
* Nuts in the amount of four pieces;
* Plate of red-hot steel;

There are materials, now we need to decide what we will work with, tools such as are needed:
* Angle grinder, referred to by many as a Bulgarian;
* Cutting discs;
* Electric arc welding and electrodes;
* Building corner;

That's all we need to make a vise.
Gradually we proceed to the assembly of homemade products.

Step 1.
First of all, you need to prepare the details of which the vice will consist. Using a grinder and a disk for it, we saw off the main parts of the future fixture. I can’t say the exact sizes, but having estimated the sizes of the desired vise, you can understand what sizes of parts you need to make. Before turning on the grinder, protect your eyes with goggles and be careful during operation.

So all the necessary parts of the homemade look.

Step 2
From the components we weld a trapezoid, which will be the stubborn part of the vise, as shown in the photo.

Also, do not forget to wear a welding mask, so as not to catch the "bunnies".
After the trapezoid is ready, we weld a segment from the profile to it.


From the bottom of this profile, you need to make a groove so that the transmission bolt-nut fits freely there.

Step 3
We complete the trapezoid on the front side, weld the missing parts and grind the joints for aesthetics, and in order not to accidentally get hurt on a sharp edge. In the front part we drill a hole where in the future a stud with a nut will be installed.


Step 4
We turn to the main part, without which no vise can do, namely, the transmission of a bolt-nut.
We weld a nut to a sheet of iron on a rectangular stand, which is slightly smaller in size than the groove in the pipe profile. In the photo, it looks like this.

We install another nut for greater reliability, and so that more effort can be made.

Step 5
Now you need to make another trapeze, but more. In finished form, it looks like this.


We wind the nut onto the stud and weld another nut over it, as shown in the photo, thereby making a place under the collar.

What kind of vice is without sponges, you ask, but in the next step we will do them.

Step 6
From pieces of steel we make jaws of a vice which need to be welded to each trapeze.



The home-made vise is ready for this, you can later come up with fasteners for the bed, for example, by drilling holes in the vise plate and fasten with bolts.


Thank you all for your attention, as well as new ideas.
9.3
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27 comments
Therefore, I wrote that "for the house they will be enough for a while)))). I did not mean thread breakage at all ... Namely, its wear! ...
Well, it is not intended for a thousand-fold delay-release !!! The friction in the "triangles" is already very great ...
Again, what is the strength of these studs? Well, if the author searched and found a strength class of 8.8 !!! (This is the maximum for construction studs). But among those who want to repeat there will be people who don’t even know about some strength classes ... Like my construction neighbor, for example, who was glad that he found "the same" studs a third of the price than I!)))). And I bought expensive ones, namely 8.8 after I broke two M14 pins, tightening with an ordinary key !!! True, it was pulling tightly - the rafters were behaved "by helicopter" and did not want to adjoin the other with which I spliced. And I just tore both hairpins - they burst. And when I tried to unscrew the nuts from the wreckage for reuse, it turned out that the carving on the studs was also “kirdyk” .. And this was with an ordinary open-end wrench without extension cords, albeit big! (And in a vice sometimes you have to knock on the collar with a hammer))))
I am new to this resource. And although the debate about carving on these yews is already half a year, I will also put in my 5 kopecks. Used construction stud M16. I agree, for a yew thread is weak. But not for data! A nut for the winder is welded to the end of the stud, welding will burst rather than the owner will break the thread. Maybe it will someday wear out, but it depends on the frequency of application and the execution of tasks.
fool
Maybe "this one" is bold, will explain its disadvantages. Or do you celebrate "Fool's Day" in this way?
Quote: Valery
And therefore, these types of threads have to be cut, not rolled ... Which leads to a very significant increase in the cost of production.

We still forgot that for the bolt we also need nut. And it also needs to be made under a bolt.
I don’t know how anyone, but I personally have a slightly negative attitude towards the “knurled bolts” and try to avoid using them whenever possible.
And about the price in conditions of mass production, it is insignificant. This is not the difference in price between the screws, but the difference in the tool on which many screws will be made.

To be honest, I’m not quite “on these matters”, but here’s what “asks” ... Can you imagine, I think, the knurling yourself? If not (you never know) I’ll say - they most often consist of three “coils” which, rolling around the shaft, being tightly pressed, push the thread through.At the same time, cutting a thread, for example, M10, on a shaft with a diameter of 10 mm will not work - When the thread is "extruded", the excess "metal from the grooves" flows into the teeth ", but is not cut and thrown away. That is, the external diameter of the thread increases. (watched, I think, with bolts - where the thread ends, it is thinner.)
.. So, I suppose that washing a groove of a rectangular or trapezoidal section and squeezing out a “knoll” of the same profile is not as easy as in the case of “triangles” ... And therefore, these types of threads have to be cut, and do not roll ... Which leads to a very significant increase in the cost of production.
smile Missed the fattest blunder:
(any, the best tap rarely enough even for a few thousand bolts.

xaxa scare
He neighed when he read ....
So explain to us why not use threaded threads in all devices if there is no difference?
-weird question. You know very well that different threads have different purposes. And about the price in conditions of mass production, it is insignificant. This is not the difference in price between the screws, but the difference in the tool on which many screws will be made.
Quote: pogranec
Well, that's what I say for this, that in mass production there is no difference in cost of which thread.

yes Well yes, of course not. So explain to us why not use threaded threads in all devices if there is no difference?
The same clamps, with a conventional metric thread, cost from 74p to 150.
The same clamps with rectangular thread from 249r to 589r.
Well, that's what I say for this, that in mass production there is no difference in cost of which thread.
Well, now I observe in two posts, the voice of an engineer. +10.
Competent reasoning and sensible explanation.
We can when we want.)))
- why less expensive? All the same, only the incisors sharpened girlfriend.

In industrial manufacturing, the threading method is usually not used - firstly, there is a lot of waste, and secondly, a small resource of equipment (any, the best tap is rarely enough even for several thousand bolts ... And this is marriage and so on ...)
The thread is made by rolling ... And there - its "moments" in the manufacture of an asymmetric profile.
You are right about the screw in your vice, it is ordinary with a metric thread (Valery apparently does not know about this).

Valery knows this perfectly ...))))). He himself has two small jaws with ordinary metric studs ... (oh, sorry ... With working screws on which metric threads are present smiles smile ) In addition, it is used in clamps ...
... But here, as Delausyus correctly noted, precisely because of a reduction in price. (It’s much easier and cheaper to make something using standard elements).
I recently mentioned here with Dmitry, it seems, the principle of reasonable sufficiency in the conversation ... Here it is again ... With relatively weak loads, the "negative properties" of the thread of a triangular profile are practically nullified. (For example, high friction energy losses occur only under heavy loads). The low wear resistance of such threaded joints at relatively low loads can be compensated by a high strength class (up to 12.9) ...

But all this “doesn’t work” in large and powerful constructions - it’s needed here and high strength class and threaded thread ...
The "construction stud" does not possess either one or the other - their strength class is usually from 4.6 to 8.8. (At least what I saw on sale). And therefore, even for small desktop vices it will not work. Why talk about big ones ...
It may even be possible to make a simple metric thread is much simpler and less costly even in time
- why less expensive? All the same, only the incisors sharpened girlfriend.
Quote: Pronin
You can estimate thread profile.(profile, Karl) Because there may not be a standard here (bolt-nut)

yes Yeah! Only don't rate, and determine. And first of all (since we already know that it is metric), thread pitch. And not "Karl's profile !!!"


Quote: pogranec
But in a more "simple" vise it is used, so as not to increase the cost of the tool
- And how can a thread affect a tool’s price, unless of course it's not special. Custom thread?

It may even be possible to make a simple metric thread is much simpler and less costly even in time. Than the same stubbornused in similar devices ..
But in a more "simple" vise it is used, so as not to increase the cost of the tool
- And how thread can affect the cost of the tool, unless of course it is special. Custom thread?
The thread gauge can be used to evaluate the thread profile. (profile, Karl) Because there may not be a standard here (bolt-nut)
Quote: Pronin
There is no thread gauge at hand. On the eye - M10 (standard).

yes Forgive me, but we will be accurate in everything.
Thread gauge measures thread pitch. Using the "bar" we determine the size (diameter) and then (we know or look at the table) we conclude what is in front of you. So for the M10 screws (according to your statement) there should be a step for the "standard" of 1.5. Each thread diameter has its own step for the "standard".

Although I do not exclude your ability to "determine" by eye. I also "know how."))) They expressed themselves simply not correctly.
You are right about the screw in your vice, it is ordinary with a metric thread (Valery apparently does not know about this). Valery is right that these threads are not intended for frequent unscrewing and twisting, they are "harder" (more effort is required) to perform these actions. But in a more "simple" vise it is used, so as not to increase the cost of the tool.
It is known that a screw with a rectangular thread is used in a large vice. I have a small vise ... Unscrewed, it became visible a piece of screw. There is no thread gauge at hand. On the eye - M10 (standard). I expected to see a trapezoidal ... Maybe it is surface hardened, maybe sometimes I clamp it tightly ... And it has withstood for many years ...
Quote: alexgameplay
A man spent personal time and did a useful thing, and this (in my opinion) is respectful !!!! therefore good

On the lips would still make a "Christmas tree", would be like factory !!!

Well, he spent personal time on himself, his beloved, and I do not see this as a “feat”.
But the tesks are done well, with hands. At the expense of the screw, most of the author did not think (or did not know about the properties of the threads) and Valery is right about this. Such a screw could be found in the same "scrap" from the old vice. Which is not too late to do now.
But at the expense of notches on the lips, it happens that they are specially closed so as not to spoil the surface of the part.
Quote: Valery
You hereby claim that inch (not metric) is suitable here any!

Where I wrote and argued, or are you again have thought for me?
Quote: Valery
Well, what the fuck is the link? ... Now you are starting again ...

Yes, I didn’t start anything, it was you who “invented” the name of non-standard carvings and are trying to prove to us everyone that they call it that among the people (most likely with you).
Especially since you ..
Quote: Valery
... Already believe the design engineer ...)))))

Things must be called by their own terms (young people must be taught correctly), and not by collective farm names. What you yourself claim further ...

Quote: Valery
Like the "triangular thread" ... In the directories you will not find this and this is understandable ...

Somehow it does not paint the "design engineer"?
But you decided to put a bullet and rehabilitate yourself.)))

Quote: Valery
P.S. And the vise was really done fine ... Even with such a hairpin, for the house for a while it’s enough ...

Although before that you had others made conclusions (more likely as a design engineer), but you started with this ...
Quote: Valery
Unfortunately, the author made a rather serious mistake that would greatly reduce the durability of the vise ....

And you had to start with your last post and that’s it !!! And there would be no such showdown and you, as a design engineer, in my eyes would not have raised doubts about your competence in this matter!)))
And now, instead of praising the author, I spend time on your "shoals".)))
P.S. And the vise was really done fine ... Even with such a hairpin, for the house for a while it’s enough ...
Good, good .... Not a "triangular", but a "thread having a triangular section in profile" ....
... Christmas trees are green! You there need to "cling to commas" ??? ... Well, you well understood what I had in mind ....))))
And here I am, for example, in response, I can "cling" to your
There is no such thread. There is a metric (profile in the form of an equilateral triangle).
...
After all, inviting me to use the word "metric" instead of the word "triangular", you are thereby claiming that any inch will fit here (not metric)! xaxa ok
..And I doubt it even .... And you yourself, I think ..... smiles

Link to the "instrumental" thread !!!
...
Well, what the fuck is the link? ... Now you are starting again ...
Well, I myself said - THERE IS NO SUCH STANDARD !!! So called non-standard thread with a square cross-section of the profile ....
“They call it”, but it’s NOT called that way! .... And again, just so as not to pronounce the phrase “thread with a rectangular section of the profile” in a conversation ....
Like the "triangular thread" ... In the directories you will not find this and this is understandable ...
... Already believe the design engineer ...)))))
A man spent personal time and did a useful thing, and this (in my opinion) is respectful !!!! therefore good

On the lips would still make a "Christmas tree", would be like factory !!!
Quote: Valery
I focused on the type of profile, and not on the size. That is why he said “triangular” - if he said “metric” - it would mean that any inch can be used, it turns out, is it possible?

And again, everything is upside down and the "sea of ​​water". Do you even understand what you say?
There is a metric and there is an inch, both of these threads have a triangle profile, only with different angles. You continue to assert, the thread is triangular ?! There is no such thread !!! This is a thread profile, one of the types of metric, inch. And in the specific case, we have a regular metric thread !!!

Quote: Valery
And such a thread is called instrumental.

Link to the "instrumental" thread !!!!
There is no such thread. There is a metric (profile in the form of an equilateral triangle).


Sorry, but you have a bit mixed up the sour with the long ... smiles . Metric, or inch - it just speaks about in which units its parameters are measured (and, of course, the corresponding standards are applied).
In the USSR, there was enough of these data, because we did not use an inch TRIANGULAR thread - the inch was only in plumbing ("pipe"), and therefore it was only conical or cylindrical.
Now, an inch thread is also found with a triangular profile.
And the metric is both cylindrical and conical ...

I focused on the type of profile, and not on the size. That is why he said “triangular” - if he said “metric” - it would mean that any inch can be used, it turns out, is it possible? smiles
Thrust thread (without or).
I don’t know the instrumental thread ..
.

Thrust thread (standard) is designed for a colossal axial ONE-SIDED load. In some mechanisms, it becomes necessary to load the screw in one direction or the other. In such cases (as well as for transferring forces) usually use a trapezoidal thread with an equilateral profile. It is stronger than triangular and has reduced friction losses. But if the effort is supposed to be large, then they make a thread whose profile is not a trapezoid, but a rectangle. (This is not a standard. It is a unit production for a separate mechanism). And such a thread is called instrumental.
Quote: Valery
You can not use an ordinary hairpin with an ordinary triangular (fixing) thread.

scratch There is no such thread. there is metric (profile in the form of an equilateral triangle).
Quote: Valery
In a vice where multiple tightening-releasing cycles are needed, you need to use only a rectangular (tool), or persistent thread.

Thrust thread (without or).
"The resistant thread has high strength and high efficiency. It is used in cargo screws to transfer large forces acting in one direction (in powerful jacks, presses, etc.)."
I don’t know the instrumental thread ...
dontknow
Unfortunately, the author made a rather serious mistake, which greatly reduces the durability of the vise ....
You can not use a regular stud with a regular triangular (mounting) thread. This thread is only suitable for tightening and holding. (That is why the tightened bolt or nut loosens tight for the first few revolutions - the thread of a triangular profile “wedges itself” under load, increasing friction several times). In addition, ordinary studs sold in construction stores have a low metal grade - they are designed for one single puff.
And on a vise, this thread will "eat up" very quickly ... In a vise where multiple tightening-releasing cycles are needed, you need to use only a rectangular (tool) or thrust thread.
Another option is never to tighten much.))))). But, I think, it is hardly acceptable for a vice ...)))))

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