Asked in InventionsWoodturningTool and Die MakersMachinery and Tools
Tool and Die Makers
Machinery and Tools
How bar feeding works in turret lathes?
November 09, 2008 1:04PM
feeding bar mechanism used to make the bar self forward motion when the collet chuck is opened and by using weight at the end of the machine we make sure that the bar is loaded to feed forward all the time
What is the difference between turret lathe and conventional lathe?
A turret lathe has six-usual tools arranged in the order of use on a rotating turret which is cycled by a large wheel or (Turnstile) like contrivance- in fact some lathe makers calle them Turnstile lathes. the British prefer the term Capstan lathes, the Capstan being that old extended bar device ( somewhat resembling a turnstile) used by seamen to manually raise the anchor- in old Pirate films, etc. The Capstan or Turnstile is oriented vertically, like a steering wheel. they usually have six stops on a hexagon turret. For this reason, a number of automobile makers had hexagonal trademarks such as Essex and Packard- a mark of homage to the machines used to make the parts!- the Turret Lathe.
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Its normally cam driven (but can be CNC), It is effectively an AUTO MATic Capstan or lathe, they come in two flavours, single spindle (ie 1 bar of metal at a time) or multi spindle (normally 6 bars at a time). They were the pre-runners to CNC lathes and Emi-mec type plugboards and replaced capstan lathes for automated turned part production. Hope this helps Mike
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You need to be more specific. Is this your feed?? Is this a home run (the wire that is feeding a circuit). Anyway if this is your feed wire (the wire supplying power to your sub panel) then you will land your two hots , then you will land your ground wire on the lug that is bonded to the panel. Sometimes this is a ground bar that can be screwed to the panel itself and then your neutral will go to the bar that is not touching anything. So your neutral coming in will be tightened down to the same bar as the neutrals that are feeding the circuits. This is assuming you'r are feeding your sub panel with 2 hots, a ground and a neutral.
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