Frequently Asked Questions: ProtoTRAK Edge

Why does my machine not run smoothly when I run some GCD programs?

Contributor: Engineering

Your program may be feeding into the control faster than the machine can perform the functions.  This is generally caused by high feed rates over a small distance.  To resolve this you can either lower the feed rate or change the length of the moves in your CAM or GCD program.

Where can I get a postprocessor for my CAD/CAM software package?

Contributor: Engineering

Call your CAM retailer, distributor, or manufacturer.  The PT uses a common type of postprocessor based on Fanuc 6.   Our control works with defined inputs that are handled by the postprocessor.  The CAM side is the more complex side, therefore, the CAM producer is the only company qualified to handle their output.

When I’m in the DRO Mode, my display shows one axis as INC and the other two as ABS.  How do I get all three back to the same reference?

Contributor: Engineering

Press the X, Y, or Z key, then press INC/ABS.  This changes each individual axis from INC to ABS (or vice-versa).  Now, all three axes should read INC or ABS.  Actually, that’s how you got there in the first place.

What is the largest program in events that can be run?

Contributor: Engineering

What is the biggest radius I can cut on the ProtoTRAK?

Contributor: Engineering

The largest radius is 825 inches.  Values above this number will cause an error when trying to run the program.

How do you calculate RPM from CSS/SFM (constant surface speed measured in surface feet per minute) or vice versa?

Contributor: Engineering

RPM = CSS X 4 ÷ diameter of tool or work piece.

How do you calculate inch per minute from inch per revolution?

Contributor: Engineering

IPM = IPR X RPM X number of flutes or inserts.

How do I convert a 2 axis PT4 program to 3 axis?

Contributor: Engineering

Open your PT4 program in a text editor like Microsoft Word.  Change the event group prompt from 2 to 1 and resave the program.  The program will now open in 3 axis mode.  The event group prompt is roughly 13 rows from the top of the file.  Warning:  Z axis prompt will default to zero ñ you must change it.

Can my controller count in 0.0002 increments?

Contributor: Customer Service Group

Yes.  Keep in mind that you are not changing the machine's inherent accuracy and repeatability.  Run Service Code 70 for 0.0002, code 68 for 0.0005.

Can the contrast/brightness be adjusted on the LCD screen?

Contributor: Customer Service Group

No.  If your screen is becoming too dim to read, contact the Service Department for a replacement.  Have the model and serial number ready.