Whatis the tool used to form external threads?
A: crest
B: die
C: chamfer
D: tap
A: crest
B: die
C: chamfer
D: tap
举一反三
- Whether external threads or internal threads, the section lines in the sectional views should be drawn intersecting with the thick solid lines.
- The key to the assignment rule is that one powerful government policy tool can be used to achieve both external balance and internal balance. (<br/>)
- When processing the chamfer of M10 hole, the machine tool and tool are（ ） A: Lathe, 45 ° offset tool B: Vertical drilling machine, countersink
- The tool tip of the external turning tool is installed higher than the workpiece rotation axis, the working rake Angle of turning tool is （ ）than that of marked rake angle A: lager B: smaller C: equal to D: unidentified
- What is the main form of turning machining? ( ) A: Workpiece rotation B: Workpiece linear motion C: Tool rotation D: Tool linear motion