Recent content by rmf17

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    Motion of a body - conveyor/catapult/trebuchet design

    Hello All, I posted this same question to the classical physics forum - but I'm reckoning it's more ideally suited for a Mechanical Engineer: I'm currently working through a scenario in which the following occurs: An object of mass M1 (kg) approaches a rotating wheel at a speed of S1...
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    Projectile Trajectory - as influenced by multiple factors

    Hello All, I'm currently working through a scenario in which the following occurs : An object of mass M1 (kg) approaches a rotating wheel at a speed of S1 (m/s) along a belt The belt is at an angle Th1 (degrees) to the horizontal axis The rotating wheel has a linear velocity equal to S1...
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    Good computer for CAD work

    My 2 cents on this. I did the same as you at Uni, Formula SAE, did most of the CAD work at Uni on some OLD dell dual cores (2.2GHz processors) with 512MB graphics cards and 4GB of ram. Now this was in 2009 so of course the software has been grunted up a bit sense then. However, I wouldn't...
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    Calculating maximum load on a thread

    Sorry for the confusion. The bolt example is only given as an analogy. What I have is in fact a components that goes on an underground drill rig. The analogy is correct in that what I have is an internally threaded component. There are two internal threads, each of a different diameter, each...
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    Calculating maximum load on a thread

    Can any one offer a method or location of a method for determining the permissible axial load that can be applied to an internal thread? i.e. Take a nut and screw into it two bolts, one from either end so they meet in the middle of the nut, then apply a tension force across the two bolts. How...
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    Internal thread tensile strength

    calculation of internal thread tensile strength Hi All! I've got a coupling device that has two internal threads of different pitch, length, diameter. The smaller thread takes a lifting bolt, the larger attaches to a piece of machinery. I've been asked to work out the safe working load (SWL)...
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