Thank you for taking the dispensing quiz on ASSEMBLY Magazine. Be sure to check out our newest quiz next month.
Here are the answers!
Answer: a. 50.
While some gap-filling formulations are 2,000 centipoise or more, cyanoacrylate adhesives are typically thin—well under 200 centipoise.
Answer: c. Transparent fluid line.
UV-cure adhesives cure when exposed to ultraviolet light. If the fluid supply line is made from a transparent material, the adhesive could cure inside the line.
Answer: c. gets thinner when agitated.
Thixotropic fluids are thick under static conditions but become thinner when agitated.
Answer: d. nanoliter.
A noncontact jetting valve features a needle that moves back and forth at speeds up to 500 hertz per second. It can dispense nanoliter-size dots.
Answer: b. Electron Fusion Devices.
Nordson EFD actually began as a supplier of equipment for jewelry manufacturing. In 1963, company founder John Carter developed an electron fusion welding process that enabled jewelers to quickly join small metal parts. Several years later, Carter looked to expand his business by creating a machine jewelers could use to precisely dispense metal brazing pastes. The rest, as they say, is history.