WJM quiz

Multiple Choice

Waterjet Machining is suitable to cut the below material EXCEPT

• Stainless Steel

• Tampered

  Glass

• Aluminum

• Copper

​"It is not possible to cut tampered glass with Waterjet Machining.

Tampered glass will shattered into pieces whenever it is punctured."

​WJM cannot cut tampered glass!

Fill in the Blank

__________ maintains the continuous flow of the high-pressure water and eliminates pressure fluctuations

Accumulator maintains the continuous flow of the high-pressure water and eliminated pressure fluctuation. It relies on the compressabilty of water

(12% at 3,800 bar.)

Multiple Choice

What advance manufacturing technology other than waterjet that can be use to easily cut this stainless steel material into such shape?

• Electric Discharge Machining

  (EDM)

• Wire Electric Discharge Machining

  (Wire EDM)

• CNC Milling with

  tungsten carbide tool

WJM & Wire EDM have their very own "pros and cons" in relative to each other.

Both are very good to cut a complex 2D shape.

​

​Wire EDM!