1. What are the three methods of workpiece clamping?
{1 Clamp in the fixture; 2. Directly find the correct clamping; 3. Mark the line to find the correct clamping}
2. What does the process system include?
{machine tool, workpiece, fixture, tool}
3. What is the composition of the machining process?
{roughing, semi-finishing, finishing, super-finishing}
4. How are benchmarks classified?
{1 Design basis 2 Process basis: process, measurement, assembly, positioning: (original, additional): (rough basis, fine basis)}
What does the machining accuracy include?
{1. Dimensional accuracy 2. Shape accuracy 3. Positional accuracy}
5. What are the original errors in the machining process?
{principle error positioning error adjustment error tool error fixture error machine tool spindle rotation error machine tool guide rail guide error machine tool transmission error process system stress deformation process system thermal deformation tool wear measurement error workpiece residual stress error}