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Describe, using sketches, any one of the following lathe turning operations: Taper turning - Leaving Cert Engineering - Question b - 2008
Question b
Describe, using sketches, any one of the following lathe turning operations: Taper turning. Knurling. Drilling. State two safety precautions to be observed for the ... show full transcript
Worked Solution & Example Answer:Describe, using sketches, any one of the following lathe turning operations: Taper turning - Leaving Cert Engineering - Question b - 2008
Step 1
Describe operation: Taper turning
Answer
Taper turning is a lathe operation where the workpiece is gradually reduced in diameter along its length. This is achieved by angling the cutting tool relative to the workpiece.
Steps to Perform Taper Turning:
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Set the Top Slide: The top slide of the lathe must be set to the appropriate angle. This angle will determine the degree of taper required on the workpiece.
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Adjust the Cutting Tool: The cutting tool must be correctly positioned to ensure it makes contact with the material while moving along the taper. Ensure the tool is secure and aligned properly.
Sketch:
In the sketch, you can see the angled top slide and the cutting tool engaged with the workpiece, illustrating the taper turning operation.
Step 2
State two safety precautions
Answer
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Select the Correct Speed: Ensure that the spindle speed is appropriate for the material and diameter of the workpiece to avoid excessive heat and potential damage.
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Periodic Swarf Removal: Regularly withdraw the cutting tool to remove swarf and chips, which prevents buildup that could lead to safety hazards.