www.controlplastics.com – Part Assembly – Manufacturing – Manufacturer – Injection Molding
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This digital document is an article from Plastics Engineering, published by Society of Plastics Engineers, Inc. on June 1, 1997. The length of the article is 3297 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase. You can view it with any web browser.
Citation Details
Title: How low can you go? Optimizing the cooling of small injection molded parts.
Author: Brian Dowler
Publication:Plastics Engineering (Refereed)
Date: June 1, 1997
Publisher: Society of Plastics Engineers, Inc.
Volume: v53 Issue: n6 Page: p29(4)
Distributed by Thomson Gale
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Not so long ago, companies had massive drafting departments. Workers hand created detailed technical drawings that concisely conveyed all the specifications to convert an idea into a physical form. But, about twenty years ago Computer-Aided Design (CAD) software programs debuted on the market. Training a CAD operator could eliminate a handful of drafters.
As the use of personal computer increased, eventually engineers, designers, and architects began doing their own drafting work. Today anyone involved in any kind of design work from cars, perfume bottles, and even students, use Computer-Aided Design programs. One of the best known packages on the market is SolidWorks.
Introduced in 1995, SolidWorks is a three dimensional mechanical CAD program that runs on Microsoft Windows. This year SolidWorks sold its one millionth license, making it one of the most popular products in the 3D mechanical CAD market. With its Windows-like user interface and use of standard conventions, such as toolbars, menus, and icon command buttons, SolidWorks feels familiar and is relatively easy to use considering its complex nature.
Work usually starts with a two dimensional sketch. At first it looks like a geometric sketch consisting of points, lines, and arcs. Then dimensions are applied to define the size and location. Relations are used to define attributes – for example if certain parts are to be parallel or perpendicular. The set dimensions and relations drive the geometry which is why it is known as parametric feature-based approach to creating models.
Prior to programs like SolidWorks, designs were sketched on paper and then prototypes were created to test ideas in the real world. Things often didn’t work out and it was back to the drawing board, literally. SolidWorks allows users to do all the testing and simulating virtually. The virtual prototype behaves as it would in the real world because users input all the characteristic of the real thing.
This has dramatically changed the way products are designed. Multiple changes can be quickly made and tested. SolidWorks was the first to offer users the ability to roll back through the development of the design to make changes and add additional features. With parametric software changes made to one area are propagated to all other areas of the design automatically. The result is a dramatic reduction to the amount of time devoted to design and testing.
Solidworks offers another tremendously beneficial feature allowing users to put together components – creating a virtual assembly. Each piece is individually designed and then one can see how parts interact together. Tests can be run to make sure components assembly properly and don’t interfere with each other as they move. With this application both pieces and a final product can be designed and tested without even setting foot in the factory.
When a design has been virtually tested and assembled, SolidWorks offers several different tools that automate the drawing process. Using the information in the three dimensional design, SolidWorks creates drawings that are needed by manufacturers to provide quotes and determine proper manufacturing processes.
In short, software applications such as SolidWorks have revolutionized the manufacturing industry as well as many other design industries. While mainly used for commercial applications, even the layperson can have fun tinkering with SolidWorks. There are endless applications and many user groups that meet regularly.
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This digital document is an article from Modern Casting, published by American Foundrymen’s Society, Inc. on September 1, 1989. The length of the article is 1153 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase. You can view it with any web browser.
Citation Details
Title: The function of tooling in evaporative pattern molding.
Author: Ron Harsley
Publication:Modern Casting (Magazine/Journal)
Date: September 1, 1989
Publisher: American Foundrymen’s Society, Inc.
Volume: v79 Issue: n9 Page: p32(2)
Distributed by Thomson Gale
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This tool makes the plastic case of a handheld information device, its a simple two plate mold with a cold runner and an ordinary ejection system.
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One of the best ideas for separating large spaces is to use Plexiglas room dividers. There are a lot of ideas for using them including using them simply as a decorative conversation piece. Plexiglas is not the only material that makes a good divider. Acrylic and plastic are excellent dividers and are safer for children than regular glass. If you are somewhat creative and handy with tools you could even make your own. Many home supply retailers such as Home Depot and Lowes carry large sheets of Plexiglas in a wide range of colors. With the right tools you can design and install some one-of-a-kind dividers.
Plexiglas dividers are a modern way to divide up a large space in order to better utilize every inch of space you have. They can be contemporary in style with very few sleek lines or be reminiscent of yesteryear with a retro look. Some of these dividers may be folding dividers such as an accordion style. Some are made with wood at the bottom of the sliding panels and Plexiglas windows at the top. These are much safer around small children because you don’t have to worry about the glass breaking and injuring your child.
Prices will vary depending on the size, materials and design you choose. When purchasing sliding, folding or multifold versions you must furnish accurate dimensions to your retailer so they can better help you fit the partition to your needs. If you are simply looking to replace an existing divider and like the size of the old one, simply measure the old partition and take those dimensions to local retailers to get the size you need. Plexiglas room dividers are great for a replacement door for a pantry or laundry room because most of them will fold or slide out of the way leaving the entire entryway free of any obstacles.
There are many colors that Plexiglas comes in so you may consider using several different colors to create the one you want. You can even hang your own Plexiglas by simply purchasing a track system, drilling some holes in a few sheets and hanging them on the track system. This is one of the easiest versions to install. They are also much cheaper than constructing a new wall or installing other fixtures. When you consider using Plexiglas room dividers, there are few things to consider.
You want to consider where it will be used. Pure clear sheets of Plexiglas are not appropriate for the shower regardless how beautiful your girlfriend is! You wouldn’t want clear Plexiglas dividers in a bedroom or separating a living room from a bedroom. You will also want to consider the style you need. Most of the Plexiglas room dividers are contemporary in style and will go with any decor but if you have a retro decor, installing a contemporary divider could make your room look off kilter and less attractive to yourself and others.
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Provides a quick reference on basic design data for resins, machines, parts, and processes showing how to apply these data to solve practical problems. Softcover. DLC: Plastics.
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