How to Run Metal Lathes
Running a metal lathe is more than just cutting metal on the spindle. You must not overlook maintenance tasks that streamline your workflow and keep your lathe in good working order. By keeping everything you need for a production run handy, you can achieve maximum efficiency while also making accurate parts.
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Instructions
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1
Warm the lathe up by turning it on and allowing the spindle to turn for about 10 minutes at 1,000 rpm. This lubricates the parts. Start the machine with oil tanks full and all of your measuring devices close by.
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2
Prepare the cutting tools for the turning process. Use a new insert if you find evidence of wear from the previous day or if you are starting a new production run. Most inserts have multiple sides that you can use before scrapping them.
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3
Stack raw material near your machine so you do not have to leave it while you are running parts. Cut all of the raw material to roughly the same size so you do not have to reset your zero position during the run.
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4
Fill up coolant tanks and bottles and periodically check them during down times. Make sure the coolant mister is functioning properly, hitting the raw material and the tooling correctly.
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5
Stop the spindle from warming up and place the first piece of raw material in the lathe. Loosen the jaws with a key or engage the foot switch to open the jaws automatically.
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6
Use the tip of the insert or drill in the tailstock to set your zero position, and move the tip away from the raw material before starting the spindle. Make sure the raw material is in the jaws tightly to prevent it from slipping out and causing damage to tools or you.
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Turn the lathe back on. You want the spindle to spin counter-clockwise to cut with an insert on the front side of the machine. Use the micrometer wheel to measure your depth and make your cuts according to the plan specifications.
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8
Turn the machine off and back your tool insert away from the finished part slowly so as not to ram the insert into the finished part.
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Carefully remove the finished piece from the jaws by engaging the foot switch or using the key to loosen the jaws. Use gloves to make sure you do not cut yourself on the burrs that are often present on the metal after cutting.
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