Mobile web design_tools

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  • 1. Mobile_Web_Design_Tools : Part ICNC And CAD Software - How Do I Choose The Right CAD Program For Me?There are multiple CAD programs available for design. Generally people become familiarwith one and stick with it. As far as selecting the right one, my advice is this. Most softwarecompanies have a free trial. Thirty-day trials are common. Take advantage of these trialperiods and test the software out. Then at the end, decide if you want to try anothersoftware or stick with your best one. I would advise you try out at least three differentpackages.The one you select will probably have to do with you liking the interface or finding it intuitive.Keep in mind it may work for you now. A simple to use and understand interface probablyhas some limitations for your designs. The very best programs are complex with many toolsthat give you the most control. I have found that I start with a simple program and outgrowit. At some point I move up to the next level of software. This usually means a higher priceas well.Types of CADThere are different types of CAD out there. These are the ones I deal with from time to time.2D CAD, 2.5D CAD, and 3D CAD. Here are some quick explanations of each type.2D CAD2D CAD is generally on the low end of CAD software packages. 2D CAD is most oftenvector based. The design consists on the X and Y-axis only. The designs are made up oflines, circles, ovals, slots, curves, etc. There is no depth to the design. Only the outline ofthe part is visible, to put it in a different way.2.5D CADAll of the same descriptions above apply, but the design is prismatic. By that I mean it hasthe depth of the material. There are Z levels, but they are on singular planes.3D CAD3D CAD is on the high end of CAD software packages. 3D CAD can be solid based, wireframe based or nurbs based. The design consists on the X, Y and Z-axis. The designs aremade up of lines, circles, ovals, slots, curves, etc, but can also include Spheres, Pyramids,Torrids, Cubes, etc. There is depth to the design. The design can be rotated around 360degrees. The design is an accurate description of what the part would look like if producedin the real world.
  • 2. Hiring a web designer to come up with the custom solution that you need can set you backa few thousand bucks. But you can do the whole thing yourself and make it drag and dropsimple for mere pennies with a tool like Breezy Websites. See http://breezywebsites.comfor details!MOBILE_WEB_DESIGN_TOOLS : End of Part IMobile_Web_Design_Tools : Part IICNC ControlSince we are dealing with CNC machines that do work for us, we need to control thoseCNC machines somehow. We need to control them for safety reasons as well. If you give amachine improper commands it can easily get out of control and cause harm to you or thepart you are machining. We want to give appropriate commands to our machines, atappropriate times so they are not "out of control".The language that these machines use is called G-code. G-code has been around since theearly 60s. There are a number of variations of G-code, but most are very similar to oneanother. See the previous section for a sample of G-Code.We will need to use a computer to talk with our CNC machine. Our computer will sendsignals to our CNC machine. In-between our computer and our CNC machine sits acontroller. A controller converts commands into signals that are used to control the motion ofour machine.As these signals are sent out of the CNC controller, they go to either stepper or servomotors. This is how we create motion. These motors drive our various axis on our CNCmachine. While we are moving our axis, there is generally a cutting tool of some sortremoving material. This is the machining process coupled with CNC.Here is a brief description of the two types of motors generally used in CNC:Stepper motors:Simple designEasy to useGenerate torque at low rpmDo not know their position in relation to the programServo Motors:Generate torque at high RPMs
  • 3. Generally need gearing of some sort to be effectiveMore sophisticatedCan maintain their relative position, thus, they can be more accurateCNC Machine ControllersControllers generally stand alone near the CNC machine. They act as a translator betweenyour control computer and your CNC machine. Generally, they add quite a bit of cost to aCNC machine as well. Controllers can cost anywhere from $1000-$20,000 or moredepending on their sophistication.Hiring a web designer to come up with the custom solution that you need can set you backa few thousand bucks. But you can do the whole thing yourself and make it drag and dropsimple for mere pennies with a tool like Breezy Websites. See http://breezywebsites.comfor details!MOBILE_WEB_DESIGN_TOOLS : End of Part IIMobile_Web_Design_Tools : Part IIICNC ControlSince we are dealing with CNC machines that do work for us, we need to control thoseCNC machines somehow. We need to control them for safety reasons as well. If you give amachine improper commands it can easily get out of control and cause harm to you or thepart you are machining. We want to give appropriate commands to our machines, atappropriate times so they are not "out of control".The language that these machines use is called G-code. G-code has been around since theearly 60s. There are a number of variations of G-code, but most are very similar to oneanother. See the previous section for a sample of G-Code.We will need to use a computer to talk with our CNC machine. Our computer will sendsignals to our CNC machine. In-between our computer and our CNC machine sits acontroller. A controller converts commands into signals that are used to control the motion ofour machine.As these signals are sent out of the CNC controller, they go to either stepper or servomotors. This is how we create motion. These motors drive our various axis on our CNCmachine. While we are moving our axis, there is generally a cutting tool of some sortremoving material. This is the machining process coupled with CNC.
  • 4. Here is a brief description of the two types of motors generally used in CNC:Stepper motors:Simple designEasy to useGenerate torque at low rpmDo not know their position in relation to the programServo Motors:Generate torque at high RPMsGenerally need gearing of some sort to be effectiveMore sophisticatedCan maintain their relative position, thus, they can be more accurateCNC Machine ControllersControllers generally stand alone near the CNC machine. They act as a translator betweenyour control computer and your CNC machine. Generally, they add quite a bit of cost to aCNC machine as well. Controllers can cost anywhere from $1000-$20,000 or moredepending on their sophistication.Hiring a web designer to come up with the custom solution that you need can set you backa few thousand bucks. But you can do the whole thing yourself and make it drag and dropsimple for mere pennies with a tool like Breezy Websites. See http://breezywebsites.com fordetails!MOBILE_WEB_DESIGN_TOOLS : End of Part III