This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Discuss why the compression zone of a nylon-type screw is so much shorter than the compression zone ... (Read 86 times)

mpobi80

  • Hero Member
  • *****
  • Posts: 519
on: Aug 19, 2018
Discuss why the compression zone of a nylon-type screw is so much shorter than the compression zone in a polyethylene-type screw.
 
  What will be an ideal response?

Question 2

Describe a spider die. What adjustments are typical and how are they made?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

popopong

  • Sr. Member
  • ****
  • Posts: 307
Reply #1 on: Aug 19, 2018
Answer to Question 1

Nylon melts over a much narrower range than polyethylene. Since the purpose of the compression zone is to melt the polymer, the distance to do the melting need not be as long with the more easily melted nylon.

Answer to Question 2

Spider dies are used to make hallow parts, such as tubes and pipes. The inside diameter of the die decreases gradually and smoothly from the inlet of the die to the land. The land is the final output zone and in this zone the inside diameter of the die is constant. The mandrel inside the die


mpobi80

  • Member
  • Posts: 519
Reply 2 on: Aug 19, 2018
:D TYSM

covalentbond

  • Member
  • Posts: 336
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Allen Test: A patent ulnar artery reveals the return of palm perfusion despite radial artery compres Allen Test: A patent ulnar artery reveals the return of palm perfusion despite radial artery compres
Uranus's southern hemisphere in approximate natural colour (left) and in shorter wavelengths (r Uranus's southern hemisphere in approximate natural colour (left) and in shorter wavelengths (r
Jaguar F-type back Jaguar F-type back
A two-piece compression gauge set. The threaded hose is screwed into the spark plug hole after ... A two-piece compression gauge set. The threaded hose is screwed into the spark plug hole after ...
The tools and equipment needed to perform a compression test include a compression gauge, an air ... The tools and equipment needed to perform a compression test include a compression gauge, an air ...
A roller cell-type electric fuel pump. A roller cell-type electric fuel pump.
Video: Olfaction. or the sense of smell

For a complete list of videos, visit our video library