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Question #: 199

Question: WHY SHOULD I REGISTER MY WORK IF COPYRIGHT PROTECTION AUTOMATIC?

Current Solution

Registration is recommended for a number of reasons. Many choose to register their works because they wish to have the facts of their copyright on the public record and have a certificate of registration. Registered works may be eligible for statutory damages and attorney's fees in successful litigation. Finally, if registration occurs within 5 years of publication, it is considered prima facie evidence in a court of law.

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Other Possible Solutions to this Question

  • HOW A COPYRIGHT DIFFERENT FROM PATENT OR TRADEMARK?

    Copyright protects original works of authorship, while a patent protects inventions or discoveries. Ideas and discoveries are not protected by the copyright law, although the way in which they are expressed may be. A trademark protects words, phrases, symbols, or designs identifying the source of the goods or services of one party and distinguishing them from those of others.

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    HOW A COPYRIGHT DIFFERENT FROM PATENT OR TRADEMARK?

  • MY COPYRIGHT GOOD IN OTHER COUNTRIES?

    The United States has copyright relations with most countries throughout the world, and as a result of these agreements, we honor each other's citizens' copyrights. However, the United States does not have such copyright relationships with every country.

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    MY COPYRIGHT GOOD IN OTHER COUNTRIES?

  • I’VE HEARD ABOUT A “POOR MAN’S COPYRIGHT.” WHAT IT?

    The practice of sending a copy of your own work to yourself is sometimes called a “poor man’s copyright.” There is no provision in the copyright law regarding any such type of protection, and it is not a substitute for registration.

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    I’VE HEARD ABOUT A “POOR MAN’S COPYRIGHT.” WHAT IT?

  • Why should I use a spindle rather than a router?

    The spindle is quieter and has more consistent torque (It doesn't get "bogged down" when it starts cutting into material). It can be used with collets of varying sizes (not restricted to imperial sizes). It is water cooled and so it does not blow air downward to cool the spindle like the router does. The spindle is also machined with much higher precision than typical routers and will have a much longer life.

    Click the link to respond:
    Why should I use a spindle rather than a router?

  • When we simulate cutting a part, the part is 40% larger than it should be. Why?

    What software are you using to simulate the CAM machining operations?

    Additional Information:
    I drew my part in ViaCad, opened part in CamBam to produce GCode, then Mach3 to simulate cutting part. Everything worked as it should but part was too large.

    Additional Information:
    It sounds like steps per unit is not calibrated properly. Use the Mach3 to calibrate the axes. In the settings tab, there will be axis calibration labeled just above the reset button. There is a button just just below axis calibration called set steps per unit. When the button is clicked, mach3 will present you with a dialog box asking for a measurement of how far to move the specific axis you need to calibrate (use a number that will not make the machine over run the axis). The machine will move to a certain length. Measure that length and enter it into the next dialog box that Mach3 presents to you. Do this for each axis.

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    When we simulate cutting a part, the part is 40% larger than it should be. Why?

  • How should I connect the limit switches to my laser controller?

    If you are using the AWC708 or equivalent laser controller, the limit switches will connect between the EL input terminal and the GND terminal in normally open (NO) connection. Most limit switches can be connected as NO, or normally closed (NC).

    For instance, a limit switch for the X- limit will be connected from the ELX- terminal to the NO connection of the limit switch, then a connection from the GND terminal on the laser controller to the COM connection to the same limit switch.

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    How should I connect the limit switches to my laser controller?

  • How should I control a plasma torch, spindle and a laser on my CNC machine?

    It will depend on how you configure the machine to use the Laser and plasma. Is the laser on a separate gantry? That will determine the way you will connect the laser control system or if you use a typical CNC controller. The plasma will need inputs of THC on, THC up, THC down and outputs to trigger the plasma torch. I recommend the Pokeys57CNC for the plasma and you can also fire the laser with it, but you will not be able to do engraving with the laser unless you use a laser controller. If you use a laser controller, you will need to either build circuitry to switch the digital signals from which controller you will be using, or if you have the laser on a separate gantry, you can use a traditional laser controller connected to the stepper motor drivers on that gantry.

    Users response:
    I was planing on using same gantry, and installing plasma and laser module on z axis along the side with current router. Perhaps if it’s needed installing another z axis on current z axis. So that when I use plasma, router z will be homed and plasma z axis will be able to utilize thc.

    When you say “If you use a laser controller, you will need to either build circuitry to switch the digital signals from which controller you will be using,”
    If i install laser controller, pokeys and router motion card, do you mean all ( axis and router/laser/plasma) signals or just the one that controls router/laser/plasma?
    I was wondering if I could jump (parallel connect) axis signals from card to card without ?
    Also do you prefer ethernet card or usb?
    I really do appreciate your help :) thanx again.

    Buildyourcnc response:
    Not a problem at all.

    Remember that with all of that weight on the z-axis, you will not be able to do efficient raster style engraving.

    By putting the laser on another gantry, say at the far end of the table, then you would be able to use a laser controller that controls its own stepper motors and the nozzle can have fast swing motion for engraving. With the laser on the z-axis of the spindle (like see on the greenBull), you will only be able to do vector motions for the laser.

    You can also have a CNC interface and laser controller controlling the same stepper motor drivers, but you will need a few tri-state buffer chips where you can use a toggle switch for which controller has control of the drivers.

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    How should I control a plasma torch, spindle and a laser on my CNC machine?

  • DO I HAVE TO REGISTER WITH YOUR OFFICE BE PROTECTED?

    No. In general, registration is voluntary. Copyright exists from the moment the work is created. You will have to register, however, if you wish to bring a lawsuit for infringement of a U.S. work.

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    DO I HAVE TO REGISTER WITH YOUR OFFICE BE PROTECTED?

  • WILL IT BE HARMFUL TO USE MY MOBILE PHONE DURING PREGNANCY? IF HARMFUL, SHOULD I DISCONTINUE USING OR MODERATELY?

    Thank you for your inquiry about the risk to your embryo by using a cellular phone during pregnancy. Sometimes it is not made clear to the public that there are different kinds of radiation. The electrical fields from a cellular phone are nothing like x ray. The energy is so low in the electrical waves of cellular phones that it does not represent a risk to the developing embryo. If you use the cellular phone conventionally by placing it to your ear, you further reduce the exposure to the embryo, which is already extremely low because of the distance of the phone from your ear to your uterus. There are no studies dealing with the risks of cellular phones on the outcome of pregnancy in humans, but numerous animal studies indicate that the exposures from the phones do not represent a risk for birth defects or miscarriage. Of course you must realize that every healthy pregnant woman begins her pregnancy with a 3% risk for birth defects and a 15% risk for miscarriage. Good luck with your pregnancy.

    Robert Brent MD, PhD, DSc(Hon)

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    WILL IT BE HARMFUL TO USE MY MOBILE PHONE DURING PREGNANCY? IF HARMFUL, SHOULD I DISCONTINUE USING OR MODERATELY?

  • Would it be possible and without excessive effort, to build an automatic conveyor fed cuttoff saw?

    Sure, this is entirely possible with the appropriate motors, mechanics, and safety features, but the machine would not be without quite a bit of design effort. This will, of course, depend on what type of cut off saw desired, design for the feeding mechanism, the jigs and supports necessary for the object being cut, and the size and material of the object being cut. There are way too many variables to specify on this limited questions and answer forum, but with some research, anything is possible.

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    Would it be possible and without excessive effort, to build an automatic conveyor fed cuttoff saw?

  • WHY SHOULD I BUY THE SPINDLE?

    The spindle is quieter and has more consistent torque (It doesn't get "bogged down" when it starts cutting into material). It can be used with collets of varying sizes (not restricted to imperial sizes). It is water cooled and so it does not blow air downward to cool the spindle like the router does. The spindle is also machined with much higher precision than typical routers and will have a much longer life.

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    WHY SHOULD I BUY THE SPINDLE?

  • WHAT DOES COPYRIGHT PROTECT?

    Copyright, a form of intellectual property law, protects original works of authorship including literary, dramatic, musical, and artistic works, such as poetry, novels, movies, songs, computer software, and architecture. Copyright does not protect facts, ideas, systems, or methods of operation, although it may protect the way these things are expressed

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    WHAT DOES COPYRIGHT PROTECT?

  • x and y on plasma does not work but x and y on mill does work. why?

    I assume you are referring to Mach3 mill versus mach3 plasma. These are two xml files that contain settings for "mill" and "plasma".

    If the machine moves (the stepper motors are moving and the drivers are receiving signals from the controller) in the settings for mill, but are not moving in the plasma settings, then you need to deeply investigate the settings and make sure they are exactly the same in the:
    - motor outputs tab of ports and pins dialog box
    - port address in the ports and pins dialog box

    If you are just trying to move it manually, make sure the jog button is "on" in the program run tab. Press the tab button to reveal the mach3 pendant screen and make sure the jog is set to continuous.

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    x and y on plasma does not work but x and y on mill does work. why?

  • how do you automatically turn on the router with pokeys57cnc and mach3. Mach3 is different from the mach4 example "step by step guide".

    There is a video on this page:
    https://www.buildyourcnc.com/item/electronicsAndMotors-electronic-component-breakout-Mach4-mach3-USB-ethernet-Board
    that demonstrates the start and stop for a spindle with the Pokeys57CNC controller and Mach3. The video is titled, Spindle Start/Stop Control.

    If you are trying to start/stop a router rather than a spindle, all you need to do is apply the same concept of using the relay by passing the black (live) wire of the power cable through the relay. The Mach3 configuration is the same.

    Click the link to respond:
    how do you automatically turn on the router with pokeys57cnc and mach3. Mach3 is different from the mach4 example "step by step guide".

  • WHAT DOES COPYRIGHT MEAN

    Copyright, a form of intellectual property law, protects original works of authorship including literary, dramatic, musical, and artistic works, such as poetry, novels, movies, songs, computer software, and architecture. Copyright does not protect facts, ideas, systems, or methods of operation, although it may protect the way these things are expressed

    Click the link to respond:
    WHAT DOES COPYRIGHT MEAN

  • Using VectricPhotoCarve and wondering what should my micro-stepping be. Presently using 1/4"

    Setting the microstepping on a driver is really a function of how much resolution you want on that axis and less related to the CAM software that you use.

    Here is the formula for steps / inch:

    In this example, I will use a lead screw that has 1/2" linear travel per motor rotation.
    Microsteps will equal the denominator. So, 1/4 would be 4. That is how many steps per a full step.
    At full step, the steps for one revolution for our motors is 200, therefore

    steps / inch = (motor steps) / (how many inches of travel for one motor revolution)
    steps / inch = (200 * microsteps) / .5"
    steps / inch = (200 * 4) / .5" = 800 / .5" = 1600 steps/inch

    If you were using a timing belt, roller chain or rack and pinion, use the pitch circumference to determine the number of inches of travel for one motor revolution. If the number of teeth is 9 and the pitch is 1/4", then the pitch circumference is 2.25". Just plug that into the formula and you will get your steps/inch. You will notice a lowering of the resolution so you may want to increase the microstepping to get finer resolution.

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    Using VectricPhotoCarve and wondering what should my micro-stepping be. Presently using 1/4"

  • Which 3 axis combo pack should I order to replace my millstar3 motors on my full size knee mill

    Measure the frame of the motors and the length of the motor. This should give a good idea on the type of motor and the torque. If you know the torque, please provide this information as well.

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    Which 3 axis combo pack should I order to replace my millstar3 motors on my full size knee mill

  • when cutting patterns with my cnc router there is significant chatter in the cut-I've replaced the router-what else should I try?

    Do you use the same bit?? If so, check if it is not dull or worn. Maybe it is time for a new bit. Additionally, I would check if the z axis mounts are tightened correctly and the router has no wiggle room. If that doesn't help, check all of the play that may be in the structure and where the bearings run along the rails and tighten all loose connections that may be present.

    Additional Information:
    So confused....is backlash and chatter the same thing or are they completely unrelated?

    Additional Information:
    Chatter and backlash are different. Backlash is a condition where there is play in the mechanical parts (i.e. a nut not tight against the treads, or two gears not meshing together tightly). Chatter is a phenomenon caused by many possible conditions including vibration, resonance, springiness and flexibility in the system and certain types of end kill and machine movement scenarios.

    Additional Information:
    Meant to say end “mill” at the end there.

    Click the link to respond:
    when cutting patterns with my cnc router there is significant chatter in the cut-I've replaced the router-what else should I try?

  • Will MDF slat wall make a good spoil board, or should I cut my own T slots in a solid MDF panel?

    MDF makes an excellent spoilboard, but I like to use regular old plywood. MDF may have some nasty constituents so I try to stay away from this material. Depending on your method of fixturing and clamping, you may not need t-slots at all, but that is up to you and your application. I just screw my workpiece down and I also simply screw my spoilboard down into my table (using a regulas hole pattern.

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    Will MDF slat wall make a good spoil board, or should I cut my own T slots in a solid MDF panel?

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