Drawing Software Reviews

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Software review - AutoCAD 2010

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San Rafael, Calif.-based Autodesk recently announced the next version of its landmark AutoCAD application, this time called AutoCAD 2010. The Test Center spent some time looking at the Release Candidate beta, which launched Tuesday.

Installation isn't any different from most applications, with the typical defaults being fine for most users. The program can be installed on most versions of Windows XP with Service Pack 2 or 3 and Windows Vista with Service Pack 1. An application called AutoCAD VBA Enabler must also be installed afterward.

The first thing that jumps out at you when AutoCAD 2010 opens up is the large ribbon interface at the top of the screen. Introduced in the 2009 version, 2010's ribbon is chock-full of options that make it easy to find just about every tool or setting necessary. As reviewers were new to the AutoCAD world, the updated ribbon menus made experimenting with the program a little less daunting.

Since this was a downloaded beta release, there weren't any manuals (print or electronic) to help guide us, so the explanatory menus were helpful in navigating around.

After experiencing the tutorials in Autodesk's newest iteration of its Inventor Suite, we were disappointed not to find any built into this application. The help file did contain a link to tutorials on the company's Web site, but those hadn't been updated to the latest version yet. We suspect this will change when the program goes live.

Without any background using it, AutoCAD was a bit overwhelming for us. Still, we quickly figured out how to create basic three-dimensional objects and change their textures. As with Inventor, intuitive tools allow the user to manipulate the design in a 3-D environment and view it from any position or angle. Unfortunately, we didn't have enough time to learn how to experience all of the capabilities of this powerhouse.

Many of the new features are improvements of existing elements and include free-form design tools, constraint-based parametric drawing tools and enhanced PDF support. In addition, the program now supports 3-D printing.

Autodesk Design Review 2010 is also available as a free download, and allows for an all-digital design review process between team members.

Overall, in our short time learning to use AutoCAD 2010, it is clear that Autodesk is continuing to give its users what they want (or need). It is a mature, robust application that, although not for the layman, is designed to serve the needs of those who have a use for it. At the time of this writing, price and availability had not been announced.

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iPod Touch 4G Black Silicone Case Review


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Mechanical Drawing Software

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why do mechanical engineers use the CAD software?

not specifically the CAD software but any computer assisted drawing program.

Because drafting by hand is a lost skill/art.

Also, it is much more cost effective when changes need to be made to change an electronic file than manually change a hand-drawn drawing.

A CAD file is easily transportable around the world, and can be output on a plotter thousands of miles away in seconds, as opposed to a manually drawn drawing, which only exists physically in one location.

Also, CAD programs can be linked into product testing/cost estimating/manufacturing programs so that more of the design and development process is integrated together.

Deltacad - Using Bookmarks To Aid In Your Mechanical Drawings


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Mechanical Drawing Software

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Electro-mechanical design tools: a meeting of two common grounds

The modern trend in technology is forever more complex designs in ever smaller packages. Mechanical designs utilizing ergonomics, aesthetics and usability pack powerful electronics which must meet modern environmental compliance guidelines whilst retaining full functionality. All in a compact unit which must reach the market in the fastest time possible.

The complexity of modern engineering design means it is no longer a one-team task, but one with several parallel pathways. In a world of ever-shortening product lifecycles, where newly-engineered products are quickly usurped by the "next best thing", engineering companies need to have lock-tight strategies to enable effective communication across the domains of electronic and mechanical engineering. Put in a nutshell, a new concept automobile would be unlikely to get off the ground if the mechanical design of the engine and gearbox were completely isolated from the electronic sensors.

The modern business model for engineering electronic technology revolves around co-ordination, not compartmentalization, of design elements. However, current CAD packages don't allow for this. They are divided between ECAD (electronic design) software, which defines the PCB design, and MCAD (mechanical design) software, which covers the external housing. As both areas become ever more complex and specialized, so the division has widened.

To enable ECAD and MCAD systems to perform at the highest level of efficiency, unwanted elements – i.e. those relating to the other domain - have been removed. In other words, ECAD designware does not cover mechanical assembly, and mechanical design tools do not cover electrical functions. However, PCB design engineers must still be careful components don't cause unwanted mechanical interference during assembly, so there's a mechanical element in there. Applied clearance tools to check for electrical isolation and electrical interference are available, but not compatible with each other. This and other communication problems between electronic and mechanical design areas, translate to production and marketing problems and even product recalls. As companies become increasingly globalized, with FPGA designs and external housings often remotely assembled, the problems escalate.

In engineering, the most common way to iron out design problems is by face-to-face meeting. If, say, there were concerns over PCB overheating problems in a prototype games console, the PCB and mechanical design engineers could work together in cross-domain fashion, usually at the CAD drawing board. Having two separate CAD systems (one for the consul design, one for the PCB design) works fine where both teams are in the same building, but where distance separates them, this creates real problems in terms of cost and time. Modern communication and teleconferencing methods only work so well. Red-lining files and documents back and forth over the internet cause inconsistencies, delays and assumptions about what modifications have been carried out.

Obviously, CAD design software common to both domains is the answer, but this requires interdisciplinary expertise and training. However, ECAD-MCAD collaboration extension tools are now available which enable users to see the effect of proposed mechanical design changes on PCB performance (and vice versa).


We at Enventure Technologies have decades of experience in all areas of electronic and mechanical design. We offer a full range of CAD and PCB design services to maximize the cross-domain potential of your project.

About the Author

The Article is written by www.enventureonline.com providing Mechanical Engineering and Fpga Design Services.Visit http://www.enventureonline.com for more information on www.enventureonline.com Products & Services___________________________Copyright information This article is free for reproduction but must be reproduced in its entirety, including live links & this copyright statement must be included. Visit www.enventureonline.com for more services!

Design and Drafting


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