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

Author Question: Your mold is filling completely, but you have weld-lines in your part. Give three possible parameter ... (Read 101 times)

abern

  • Hero Member
  • *****
  • Posts: 533
on: Aug 19, 2018
Your mold is filling completely, but you have weld-lines in your part. Give three possible parameter changes to alleviate the problem.
 
  What will be an ideal response?

Question 2

Your part has air bubbles, and excessive flash. What's wrong, and how could you fix it? Give 2 parameter changes.
 
  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

softEldritch

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Aug 19, 2018
Answer to Question 1

Some of the possible answers for this question include: melt temperature too high or too low, mold surface temperature, pressure on melt, choice of the material, mold lubricants, or poor venting of the part.

Answer to Question 2

Possible problems to look at would include: melt temperature, pressure on melt, fill rate, mold construction, machine settings, injection time, gate design, mold surface temperature, and internal moisture.


abern

  • Member
  • Posts: 533
Reply 2 on: Aug 19, 2018
Wow, this really help

cassie_ragen

  • Member
  • Posts: 347
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

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.

Map showing conservation areas as part of the Canadian Boreal Initiative. Map showing conservation areas as part of the Canadian Boreal Initiative.
How to find the definite integral using the fundamental theorem of calculus (Part 2) How to find the definite integral using the fundamental theorem of calculus (Part 2)
Recent history of biochemistry shown by the introduction of new techniques. (part 1) Recent history of biochemistry shown by the introduction of new techniques. (part 1)
How to evaluate algebraic terms containing fractional exponents without a calculator (Part 2) How to evaluate algebraic terms containing fractional exponents without a calculator (Part 2)
Lines of the anterior thorax Lines of the anterior thorax
Life cycle of Rhizopus stolonifer, a black bread mold Life cycle of Rhizopus stolonifer, a black bread mold
Video: Genetic distance between human groups

For a complete list of videos, visit our video library