Grooving on the Lathe - 4: Locating the Groove
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WARNING: Machine tools present a safety hazard. Improper operation can result in severe injury. These topics are for non-laboratory study only and are not to be used in conjunction with the operation of any tool or machine described herein. Never use a machine tool without the supervision of a qualified instructor.
Locate the cutting tool on the part using an appropriate measuring tool. Make sure that there is no possibility of the machine suddenly coming on. Place the tool into the tool holder (tool post) and establish its location. Move the carriage left or right until the appropriate location is established (figure 1). Most lathes have a clamp on the ways that provides a positive stop for the carriage. Some even have a micrometer adjustment (figure 2). If the machine does not have one of these stops, one can be improvised quite easily. From an indicator on the ways (figure 3), a scribe line on a piece of tape, or even a layout line on the part itself, creativity is the mother of invention. Remember that the stop is there to act as a guide, and precision will always dictate the method.
Figure 1
Figure 2 Figure 3
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label: lathe gorove, grooving, cutting tool, setup, feeds and speeds, cuttting, widening, measuring, parrting cuttting off