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knurling
Knurling tool on a centre lathe.
The knurled surface is easier to turn with one's hand than a smooth surface.
Knurling is a machining process normally carried our on a centre lathe. The act of Knurling creates a raised criss cross pattern on a smooth round bar that could be used as a handle, or something that requires extra grip
The lathe
It is a machine tool which spins a block of material to perform various operations such as cutting, sanding, knurling, drilling, use to create an object which has symmetry about an axis of rotation. http://en.wikipedia.org/wiki/Lathe_(tool)
it is an old machine.It can be ised for various operations like turning,taper turning,knurling,slotting,facing,threading etc. But it can be used mostly only for cylindrical jobs. you can find it in many small workshops.
The main operations on a lathe are -turning( reducing diameter) -facing( reducing length) -tapering( making a conical shape) -knurling( making a diamond shaped pattern for easy grip) -grooving( making a symmetrical indentation) -parting( removing a section) -eccentric turning( turning about a point other than axis) -chamfering( creating a radially symmetrical chamfer) others include boring, drilling etc.
A lathe is not a lever.
A lathe is not a lever.
By putting it in the Lathe
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