$\backslash$table$[[,],[,]]$

Please give three examples to illustrate the application of laser processing

$$Analysis questions $($each question ${15}^{\text{'}},$ total ${30}^{\text{'}})$

Please compare the advantages and disadvantages of EDM vs ECMDescribe the requirements for the feed movement of CNC machine tools.

Why do CNC machine tools often use ball screws as transmission elements? What are its main features?

What are the two types of ball circulation methods in the ball screw pair? Try to compare its structural characteristics.

Describe the basic prin

$$

$$

$3.$ Heat Affected Zone of laser beam machining

$\backslash$table$[[,],[,]]$

$-.$ Explanation of Professional Term $($each question $5\text{'},$ total $30\text{'})$

$$

Electrode wear of EDM

Ion beam implantation

Electron beam welding

Electrochemical reaction of ECM

Ultrasound transducer of Ultrasonic Machining

Heat Affected Zone of laser beam machining

$-.$ Explanation of Professional Term $($each question $5\text{'},$ total ${30}^{\text{'}})$

$1.$Electrode wear of EDM

$4.$Ion beam implantation

$5.$Electron beam welding $2.$Electrochemical reaction of ECM

$6.$Ultrasound transducer of Ultrasonic Machining