×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!
  • Students Click Here

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Jobs

how was this molded?

how was this molded?

how was this molded?

(OP)
Any ideas on how a toy such as this could be molded?
http://www.raymondgeddes.com/67617-neon-balls.html
The toy is a very soft elastomeric childs toy. It is a spherical shaped toy with dozens of squiggly tentacles about an inch long all over the surface of the ball. The toy is hollow filled with air, when you squeeze it in your hand it bulges out between your fingers like a baloon.
The material is so soft that undercuts should not be much of an issue, but how could the mold cavity for each squiggly tentacle be created? The long thin squiggled shape could not possibly be chased by a cnc mill. I can only think of this done as a rapid protoype in wax and the mold is cast off the wax prototype. Then the part is injection molded? But how could the part be hollow and air tight if it is injection molded? I'm guessing the material is plasticized pvc. Could it be rotomolded?
Any thoughts?
Thanks

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members!


Resources