Search results for query: *

guys..................any ideas

hi i am doing a reaserch about slip line field theory and the upper bound methods of anaylsys in the metal forming applications....... seems that i dont have enough resources .......so any ideas guys about references on internet?

try reading in any book on theory of metal cutting.....read the optimization chapter u will find some equations that u can calculate all what u want from them......very easy.good luck

Hi everybody, I am in a beginning of a research on coatings and i cant find references to use.......specially i need ebooks.......which can help me to understand some points which i dont have from college because i am from industrial departement. so any help.thanks

griffengm very good points u said there

thanks rnd2 i think i didnt concentrate while saying that i beleive that tig and mig same to me......anyway reverse polarity will make high tension on the tungesten elec. but u know how alum. forms oxides too fast....anyway i think that ur right about that.

by the way....most crank shafts have three times allowance of maching......every oone 100 micronsdecrease in diameter....so the second solution will be good if u make it in this interval.

hi kbw74, i beleive that welding alum must be with dc reverse polarity ......because alum forms oxides too fast and that causes internal cracks.......and because alum is a very good conductor of heat and not very high melting point ...because of all this u must weld it with dc reverse...

yeah wes c thats a good point........if we use welding it will be very hard to rebalance the shaft again.

hi, look my mr.,i know that drilling brittle materials like granite must be on low speeds relatively.....and it must be done on a machine with very low and damped vibrations..........a 12'' hole.......if the ratio between length and diameter of hole is more than 1:2 so that where the problem...

does it matter with u cutting of the fibers in the rods.......i mean forming a nautch by forming processes will make a better strength from maching....but machining will give u the surface u want.....i thought about shaping first but it will be slow.......a press will be hard to control the...

bronze have some internall cracks after a while........look they are the same copper based but i really prefer brass .....and some of brass have haigher yeild strength than bronze, and its not know with internal crack, good bearing pressure to.

even if we know the power and the angular velocity still wer not sure about the material.........the yeild strength i mean......and the stress concentration points, but there is a solution.....first we calculate the materials yeild in the normal state of the engine with combined stresses...

hi , in the matter of fact your question is a complex one first: if you do welding it must be by an expert....because the heat induced in the shaft while welding will exceed the recrystallization tempreture of the shaft ...if any inadequate cooling happened it will raise the hardenesse of...