Soalan Pengetahuan CNC EDM Die Sinking

What is meant of EDM ?

• Electrical die machine

• Electrical die set machine

• Electrical discharged machine

• Electrical die sinking maching

In the EDM process, the electrodes and workpieces are independent of ?

• Oil

• Grease

• Burr

• Spark

When an electric current is passed from the electrode to the workpiece, this will cause it to occur ?

• Spark gap

• Spark charged

• Spark frequency

• Spark discharged

The effect of temperature during the EDM process of corrosive metals can reach temperatures in between?

• 8000-10000°C

• 6000-12000°C

• 8000-12000°C

• 9000-12000°C

The fine particles produced during the corrosion process will be cleaned by ?

• Air Spray

• Dielectric flushing

• Spark dielektrik

• Coolant

“It is an overcut that the size of the workpiece cavity is larger than the size of the electrode ”, this statement is in accordance with the term ?

• Spark gap

• Super gap

• Clearance gap

• Charging gap

What is the meaning of the symbol in the diagram above ?

• Straightness

• Flatness

• Squareness

• Lineness

This setup will produce a crater-shaped surface on the workpiece, what is the appropriate term for that statement?

• Billet

• Capasitor density

• Current density

• Catalyst

…….. is a short circuit that occurs due to carbon particles accumulating in the spark gap.

• Ampere

• Anode

• Anisotropic

• Arching

This setup will produce a crater-shaped surface on the workpiece, what is the appropriate term for that statement ?

• Billet

• Capasitor

• Current density

• Catalyst