Author Archives: Elito

Mold Design Using Solidworks

Posted on August 7, 2010 by Elito

Solidworks is a nice tool to help you design molds. It is easy to learn with its intuitive user interface and easy to use for experienced users. Of course you must have the necessary knowledge of fundamentals of mold design and mold … Continue reading →

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Free 3D CAD: CoCreate Modeling PE 3.0

Posted on July 10, 2010 by Elito

The latest version of CoCreate Modeling PE, the world’s first free explicit 3D CAD software, is now available.

Download it today, and get all the flexibility of our standard CoCreate Modeling 3D CAD system free for assemblies up to 60 parts. Continue reading →

Posted in CAD Tools | Tagged | 1 Comment

Free 2D CAD for DWG files: an alternative to Autocad

Posted on July 10, 2010 by Elito

Yesterday, while surfing the internet looking for new tools for mold design, I discovered DraftSight, a 2D CAD tool from the Dessault Systemes. DraftSight is available for free download. Is it going to be valuable tool for mold design? One way to find out… Continue reading →

Posted in CAD Tools | Tagged | 3 Comments

Injection Machine Tonnage Computation

Posted on June 30, 2010 by Elito

How to compute for injection machine tonnage: Projected area or shadow area including runners and gates: A Peak pressure: P Clamping force = A x P Include factor of safety Choose the machine. First, calculate the area, A, projected by … Continue reading →

Posted in Injection Molding | 1 Comment

How much does a mold cost?

Posted on April 30, 2010 by Elito

The cost of mold making is dependent on the shape or geometry of the molded product, mold material cost including standard components, and professional cost (labor cost). It is important to note that labor and material cost greatly varies on … Continue reading →

Posted in Injection Molding | 2 Comments

Cavity and Core

Posted on July 4, 2009 by Elito

This article describes the cavity and core, its processing method, and its arrangement into the mold. Cavity and core Core and cavity can be classified into 2 methods, integrated and nested method. You can choose which method will define your … Continue reading →

Posted in Mold Components | 4 Comments

Mold Structure

Posted on July 1, 2009 by Elito

This will describe the structure of 2-plate, 3-plate, and runnerless molds. The basic structure of a molding die is determined by the geometry of the product, its production volume, molding material, and consideration of other technical and production constraints such … Continue reading →

Posted in Mold Mechanism | Leave a comment

How to design mold cavity and core in 2D Autocad

Posted on October 13, 2008 by Elito

The old fashioned way but still being used by some mold manufacturers. Designing a mold cavity and core in 2D. Some mold designers may use different procedure. You can use Autocad, Solidworks, ProE, or just plain tracing paper and pencil … Continue reading →

Posted in Mold Design | 2 Comments

A Typical Injection Mold Design Guide

Posted on February 2, 2008 by Elito

This checklist can be used as a general reference guide for injection mold design engineers. It is divided into 3 parts of a mold design process. Part 1 – Requirements to start your mold design: Check the injection machine where … Continue reading →

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Injection Mold Sprue and Runner

Posted on February 1, 2008 by Elito

This will describe the sprue and runner system of molds. Related posts: Gate system Product/Part design Sprue A sprue is a channel through which a molten plastic material is being injected from the nozzle of the injection machine into the … Continue reading →

Posted in Runner and Gate | Tagged , | 1 Comment