Cutting Splines on lathe. Polygon Turning
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Uploader Comments (MachineManGMC)
All Comments (8)
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Splines have parallel sides, tangential to the surface and are "square" in appearance; serrated shafts have angled sides and look similar in appearance to involute gear teeth. Both are designed to transmit rotational force to a mating part but whereas a splined shaft is designed to accommodate unrestricted longditudinal movement, as in, for example, a lathe feedshaft, a serrated shaft is designed to accommodate little, if any, such movement and is concerned mainly, in transmitting power.
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@klixxie~ whats the difference??.... look like SPLINES to me!
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Nice video - but it's actually a serrated shaft and not a splined shaft - common mistake.
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I'd like to see a shot of the cutter itself..
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I think he is generating the splines with a hob probably homemade on the back side. I have generated a worm gear like this before. The cutter or Hob, actually turns the workpiece as it cuts on a manual mill. however this looks like its all timed CNC.
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This is rediculous. What the hell are you doing in this video?
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I have no idea what was happening.
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Mitten, you are correct. Although the hobb is far from home made. This is being done on a CNC lathe using polygon turning. Polygon turning is a G code function that will allow the main spindle and the live tooling spindle to become timed with each other. It is an option function when purchasing a machine from a dealer. With the polygon function, shapes can also be created without the use of milling cutters.
MachineManGMC 3 months ago