This is the best design for a performant injection molding process of plastic parts. From my experience in injection molding technology, I always recommend the Conical shapes with variable pitch. Extrusion Screws are used in many applications, they can be either Cylindrical or Conical, with constant or with variable pitch. So let´s play with surfaces first.Īs this is a circular part, obviously the 1st feature to be created is a Revolve which will be the reference for the rest. Your work starts with features created in Surface Mode and after the main body is fully defined with the necessary surfaces you will continue with the design steps adding volume to your part and the final dress-up features as solid features. To create an extrusion screw first you need some construction features which will help you during the design process. Let’s see how it works.Click on New and create a new part as shown.
This is a very basic exercise but essential, very often used in complex part design process. So with this post I am going to start sharing about the design power of the remarcable CREO Parametric 6.0 from Parametric Technology Corporation (PTC). Only the interface and workflow is different. You can achieve extraordinary results with all. But it’s just a matter of prefference becasue it’s amost impossible to evaluate and say exactly which CAD software is the best.
One of the most frequent used is without a doubt the poverful CATIA V5-V6 from Dassault Systemes. Depending on the specific of the designed products and the software licence price companies choose to develop their products with such CAD softwares. Many CAD platforms are available which not only make the designer’s work faster but it even create a lot of enthusiasm for young engineers which are attracted by the software interface and how intereactive and full of satisfaction this work is.Įvery company worldwide involved in mechanical product development use at least 1 CAD platform to develop new products. In the past a job as mechanical designer was a little bit of more hard work to do becasue products were first drawn by hand using large sheets of paper and many hours to put all the technical and geometrical specification on it which then had to be used in production.
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