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MMT-USA

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Posts posted by MMT-USA

  1. Basically TCPC is an option from Fanuc that instead of feeding the control direct XYZ ABC machine coordinates, you instead feed it cutter location coordinates that are always relative to the part. The controller will make the necessary calculations on the fly to account for the effects of the part rotation.

     

    Some maybe familiar with this on the Siemens control called Traori or RTCP.

     

    Programs using this function in Type 2 are independent of machine kinematics and machine zero. This means if you change the location of the part on the machine you do not need to repost it. You can also use the same program on a machine with completely different kinematics since the controller will make the necessary calulations to adjust for this.

     

    TCPC automatically adjusts the axis feeds to make sure that the feedrate of the tool is relative to the part. No need for Inverse Time Feed G93

     

    The controller modifies the axis motion so the tool follows a straight line relative to the part avoiding linearization errors do to kinematics.

     

    One problem is this function is not completely developed for the Fanuc and has some programming restrictions.

     

    The Siemens is proven with really no limitations.

     

    Hopefully we'll see more Fanuc users using type 2 in the near future. I believe Fanuc has added to this developement but unfortunately not too many customers in the world use it do to its current development stage.

     

    bonk.gif sorry havent had my coffee yet !

  2. You should choose a product with "rust inhibitors" in it. We've had great success with Castrols products. We have two type we use on a daily basis. 9954 full synthetic, and Alusol A water soluble.

     

    We have found these two coolants offer solutions for many different materials.

     

    Good luck wink.gif

  3. Shop Floor Automations-Predator SW

    Member

    Member # 1407

     

    Icon 1 posted 08-17-2006 12:23 AM Profile for Shop Floor Automations-Predator SW Author's Homepage Email Shop Floor Automations-Predator SW Edit/Delete Post Have you looked at the Predator Virtual CNC product?

     

    This supports 5 axis part and machine simulation. Cost is about $1K per axis, for a complete package you are looking at $11K.

     

    www.predator-software.com for trials.

     

    --------------------

    Greg Mercurio

    Shop Floor Automations, Inc.

    www.shopfloorautomations.com

    (877)611-5825 Toll Free

     

    Sorry I had too.... firebounce.gif

  4. I do not believe Predator can simulate actual "Interpolated motion" based off of the kinematic system.

     

    "what the actual machine will do during RAPID motion"

     

    Relative to where the workpiece is in the machine.

     

    Actually I know of only one that does it successfully....

     

    headscratch.gif TruePath..

  5. Some new controls use HRV control "High Response Vectoring". Due to this feature, the faster the rapid the more the control will "ARC" the motion. This kinematic motion is a common problem, more of a problem in 5-axis....

     

    Depending on the control, you can set the RAPID motion to respond differently.

     

    One thought is to post out "FAST" G01 motion. This is always linear, rapid is not.

  6. Have you guys noticed if you create a new toolpath group and then try to rename it to the same name but upper or lower case it will not let you.

     

    "Group Already Exists With Same Name"

     

    You need to rename it to something different, THEN go back and change it to what you want.

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