The default (at machine start-up) feed rate on lathes is typically measured in
A: Cutting Speed
B: Inches per revolution in/rev.
C: Inches per Minute in/min
D: Constant Surface Speed
A: Cutting Speed
B: Inches per revolution in/rev.
C: Inches per Minute in/min
D: Constant Surface Speed
B
举一反三
- There are three factors that make up the cutting conditions:cutting speed,feed rate and depth of cut.
- 1.Tachometer measures the speed of rotation of the engine, in revolutions per minute (RPM) (see Fig.7-10a).
- Cutting parameters include cutting speed, feed and cutting thickness.
- Among the cutting parameters ,( ) has the greatest influence on the cutting temperature. A: Cutting speed B: Back engagement of the cutting edge C: Feed D: Feeding speed
- 7. He drove at a _______________ of 70 miles per hour. A: pace B: rate C: speed D: percentage
内容
- 0
The( )shows you the engine speed in revolutions per minute ( rpm). A: odometer B: trip meter C: speedometer D: tachometer
- 1
Cutting parameters include cutting speed, feed and cutting thickness. A: 正确 B: 错误
- 2
The three cutting parameters for turning processing are ( ). A: cutting speed, feed and depth of cut B: cutting speed, workpiece rotational frequency and depth of cut C: workpiece rotational frequency, feed and depth of cut D: depth of cut, workpiece rotational frequency and feed
- 3
The speed ___ on this highway is 80 kilometers per hour.
- 4
When selecting cutting parameters, the first choice should be (). A: cutting speed B: feed C: side cutting D: back cutting