🔍 Key Concepts

• Work between centers requires support from both headstock and tailstock centers • Function of a lathe dog and faceplate when driving work held between centers • Effect of thermal expansion and tailstock pressure on long workpieces

💭 Think About

• In normal between-centers turning, what actually drives the work to rotate, and how is that safely transmitted? • What can happen to a long, slender workpiece if the tailstock is forced tightly against it while it heats up and expands? • Which option describes a condition that is safe and typical for between-centers work, rather than an extreme or incorrect setup?

✅ Before You Answer

• Verify how the lathe dog should fit into the faceplate slot (rigidly jammed, or engaged with some clearance?). • Check whether the work should be supported by one center or both when it is long and run between centers. • Consider whether the tailstock should be forced tight against the work or adjusted to avoid excessive end pressure as the work heats and grows.