Which of the lathe operations listed is best...

🔍 Key Concepts

• Carriage movement vs. cross-slide/compound movement on a lathe • Difference between operations that need continuous longitudinal travel (like turning or threading along a shaft) and those done at one fixed location • How workholding method (chuck vs. centers) affects the need for carriage travel

💭 Think About

• Ask yourself: In which operation do you mainly need to feed the tool inward or across rather than along the bed? • Which of these operations is usually performed over a short surface area at one spot instead of along a long length of the work? • For each choice, imagine the tool path: Does the tool need to travel along the workpiece or mostly stay in one place while only cross or compound feeds are used?

✅ Before You Answer

• For each option, decide if it primarily uses longitudinal feed (carriage movement) or cross/compound feed (tool in and out or at an angle). • Identify which operation is commonly done over a broad face or localized area rather than the full length of the workpiece. • Verify which operation would be made more accurate and rigid by locking the carriage and only moving the cross-slide or compound.

Which of the lathe operations listed is best done with the carriage locked in position?

Facing work held in a chuck.

Turning work held between centers.

Threading internal threads.

Boring an angled hole.

🔍 Key Concepts

💭 Think About

✅ Before You Answer