Turned part including milling and grinding

Task

• Manufacture part exactly according to the drawing
• Observe position tolerances
• Small number of units

Solution 

Perform steps of the procedure in the correct order:

1. Turning (with grinding allowance where needed) with thread
2. Surface grinding (faces)
3. Milling and drilling
4. Deburring
5. External cylindrical grinding
6. Outgoing inspection

Task:

• Manufacture part exactly according to the drawing
•  Simple turned part
• Produce parts as quickly and cost effectively as possible

Solution:

Produce parts entirely on a CNC lathe to keep cost to a minimum

1. Full CNC turning 
2. Outgoing inspection

Task:

• Manufacture part exactly according to the drawing
• Ensure the part meets requirement for flatness
• Small number of units

Solution:

Manufacture the entire part including heat treatment and procuring the bushings

1. Rough-machine milling groove
2. Tempering to 900–1000 N/mm.
3. Stress-relief annealing
4. Full milling and drilling
5. Deburring
6. Intermediate check
7. Plasma nitriding to 700–800 HV, depth 0.4–0.5 mm.
8. Finish bushings to correct length and deburr
9. Insert bushings
10. Outgoing inspection

Task:

• Manufacture part exactly according to the drawing
• Complex cylindrical and surface grinding
• Small number of units
• Galvanization (partial coverage)
• Relative precision required

Solution:

Perform multiple steps to assure quality; produce on 'first attempt'

1. Turning (with grinding allowance where needed) without thread
2. Galvanization
3. Thread cutting
4. External cylindrical grinding
5. Surface grinding (faces) 
6. Internal cylindrical grinding
7. Mill groove
8. Finish 
9. Outgoing inspection