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 106 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
Great answer, keep it coming :)

momolu

  • Member
  • Posts: 320
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Paranasal sinuses are part of the upper respiratory system. Paranasal sinuses are part of the upper respiratory system.
Part A - Initiating an action potential Part A - Initiating an action potential
Part A - Changes in chromosome structure MasteringBiology Chapter 15 Part A - Changes in chromosome structure MasteringBiology Chapter 15
How to find the derivatives of inverse trigonometric functions (Part 1) How to find the derivatives of inverse trigonometric functions (Part 1)
How to add and subtract algebraic fractions (Part 1) How to add and subtract algebraic fractions (Part 1)
If the random variable x is exponentially distributed with parameter λ = 4, then P(x ≤ ... If the random variable x is exponentially distributed with parameter λ = 4, then P(x ≤ ...
Video: EpiPen Animation (Part 2)

For a complete list of videos, visit our video library