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Print esigning test

[Music] hello welcome to my workshop I'm Igor and a near future I will test three printing bolts and nuts from n3 to m12 but first I have to clear a very important question and that is to find out is the vertical position best for to the predict reads or maybe horizontal or position under the angle without stronger bolt of course if you need a standard bought it's much better to use a metallic version but with 3d printing you have this treat part of your object and I'm using it very often but I always try to this may create a design where I will print the treat in the vertical position everybody in the internet is advising this because with this we can avoid using of the support but again I have that feeling only so far because I'm recording is become before all my tests that with this we have that weakness of the layer adhesion I would like to say if I need a little bit stronger treat what is the optimal printing position let's see what type of the loads I have to test first if I place a knot on one side and screwing the ball from the other when I am tightening the boat I have to apply a torque so this is the first type of the test measuring the torque and then Titanic of the boat will result inside the pulling stress my next experiment will be measuring the pulling force or or maybe the mass and the third type of the Lord I want to measure is the shear stress that's not too common with the metallic bolts and screw nuts because if we tight it's very strongly there is very bit freak between them and if I apply a shear force the friction will hold it strongly in one place but plastic we cannot tie it so strongly so in this case the objects will move a little bit and it will apply a shear stress to the vault if you are cutting paper with the skeezers you are using a shared stress so in my third test I will measure the stress test where will this boat or not break I really hope that there will be not big difference between the boat in the vertical position and for example in horizontal position because I really enjoy Tula predict treats without using a support so for me that's very important if the difference is not big then that's the primary position for my printings when I am printing treats in their own outer version okay let's break some plastic if fusion 360 select the cylinder and then from create menu choose the treat you select the modeled version and there is it we have the trade right before to the printing if you need a standard element from insert menu choose the board for example the hexagonal head on the left side you have different filters let's say I want metric am 10 this is the material quality fully trade 20 millimeter long and then I here the shorter list here choose the product number and then click on product details and then on bottom of this page click the Twitter step and click Save and the object will be inserted in fusion 360 you can move it rotate it and there is it ready for to the printing this is the printer viewing crucial slicer we're here you can see the parameters but I will calculate for separately for one board the printing time and the material and same I will do with these objects but here I need the custom support too because I didn't have enough grip between object and printing plate so and you can see a lot of supports I need here and this is printed here you can see a lot of stringy because I raise the temperature as much as possible to get the strongest irritation and strongest port for testing [Music] so these are those bolts these three are printed in vertical position and they are almost ready to use right from the 3d printer and these three are printed in horizontal position here we have to remove those supports and some additional cleaning of the treat at least with the nut but better is the die traded tool and this rehab printed in 45 degree angle well here we have to remove the supports and also with the pliers removing those custom supports I have to clean it a little bit because it has to go inside wrench well it in okay so this printed in vertical position are almost ready to use except I didn't left here any clearance usually I add on this side 0.1 millimeter of clearance because I want to have same size but I want to go over each with this am 10th title but usually these in vertical position are almost ready to use even now not so let's clear these bolts to get same dimensions I will use the m10 die and then I will have the same dimensions of each and I can do the test [Music] [Music] and now after painting with the m10 dye tool theoretically they have the same dimension and now let's see what will they do on the stress test [Music] [Music] [Music] position [Music] [Music] additional 30 kilograms [Music] [Music] all right are the smaller boards [Music] this one is printed [Music] [Music] broke three pieces [Music] bring the gun I agree [Music] you [Music] [Music] okay okay okay cool yep pick another angle [Music] my teachers always told me to calculate twice and measure one's hotel right this time so for example for m10 I found on simplified 3d that ultimate strength well the PLA will break is 65 mega Pascal's 65 mega Pascal it is 65 Newton per square millimeter and if I calculate with the diameter of a millimeter which is approximately m10 without the trade so the area is a square multiply P divided by 4 and from this I can calculate the force and if I divide the force with the G I can get the maximal weight theoretically so 333 kilograms so no wonder it it doesn't break on my test because I had Maximus family photographs okay I see the m6 same calculation but of course with different area and I can calculate that it is 119 kilograms so directly we should break on my test I printed m6 and I will do the test only to compare vertical and horizontal position in this poor test so let's series [Music] [Music] [Music] calculate twice I measure once or results from the tests are summarized in this excel table and it's obvious that board printed in horizontal position is much stronger than printed in vertical position but let's don't forget that in this case we need supports for this printing it will be a hard decision which one to use in the future the conclusion so what we learn from this video first of all I'm overweight I haven't checked my BMI index on ten kilograms or website it's horrible but beside that it looks like the two depleted bolts in horizontal position are much stronger than those in vertical position which I'm not happy about it but because with horizontal position as you saw we need some supports so which one to use well if you are using the bolts on these trees just to hold two pieces together without big load then you can use it in print and in vertical position but if you are expecting a little bit bigger load then it is much better to print them in horizontal position how big load were wait for my video where I will test from M 3 to M 12 balls and that will be approximately information for us how strong they are but a small disclaimer before you run out and change the bolts on your car tires don't forget that this is plastic that should appeal a it is very it cannot handle high temperatures and of course wearing of the plastic is much faster and also with this equipment I could measure only the ultimate sling or the friction point but it will be much better if I could measure the yield point because that's the elasticity level on the yield point if I remove the load the theoretically the test probe should get its original size and also my next video will be similar to this one where I am testing the optimal position for tilde printing screw nuts I believe that the result will be a little bit different there but informative that video too and we will see thank you for watching and happy printing