Questions tagged [cutting]

My research group recently purchased a 40W CO2 laser cutter. We work in the biosensing field and some of the materials we wish to cut are very thin nano/micro fibers that will be cut into relatively small pieces. When cutting the material we hope to…

Here is a schematic cross-section of a water jet cutter nozzle design: As it is shown, the thin water jet grabs abrasive particles in the mixing chamber and the mix flows through the nozzle. My question is: what makes the water flow through the…

Trigonometry was never my strong point so any help would be much appreciated. Below is an image of a solid square section bar with a compound cut at one end. Given the two angles α & β (which are measured from a plane perpendicular to the bar's…

Assuming a notional 4.5" disc, on a common 4.5" angle grinder: Which abrasive cuts faster, a flap disc, a sanding disc or a grinding wheel of common grit (I believe 36 or 40)? Assume, at least for the sanding disc, and the flap disc that the…