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Messages - lstiver53

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General Mach Discussion / Re: soft limits out of range
« on: October 20, 2013, 02:05:54 PM »
I don't have any problem setting soft limits with any parts other that my 4 problem parts, of which all 4 are much smaller than my machine limits.
So, I will just have to live with the problem which is not that big a deal anyway.
I will consider this topic ended.

General Mach Discussion / Re: soft limits out of range
« on: October 18, 2013, 07:27:47 PM »
Dear Hood,
I am new to CNC and Mach 3, but I have machined several parts with no problems.
Here is what I do;
I open config> homing/limits, and enter the dimensions that are 1 inch smaller on all sides than the table is.
I jog to within 1 inch of the -X and -Y table size and +3 Z axis inches. I click Ref all Home.
I load the Gcode, and jog to the start point of my part. I zero all axis. I click soft limits.
When I Cycle Start, a message comes up warning me about being out of range and the option to proceed anyway. If I click OK, it will proceed to machine the part without using soft limits.
My problem part is much smaller than the soft limits.
On the Toolpath Screen, in the display window which on my computer is black, there is a Grey colored band that goes 375 inches in the -X direction. That is the program limit. This only happens with this part and 3 other parts.
I have no problem with soft limits while cutting parts that are larger than this problem part.
All the other parts show in the "Program Limits Absolute Coordinates" window the actual dimensions of the part. This problem part which is 13 X 17 inches shows in the "Program Limits Absolute Coordinates" window to be -X 375.8937,and +4.4860.  The Y Axis shown is the actual dimension of the part.


General Mach Discussion / soft limits out of range
« on: October 18, 2013, 01:13:33 PM »
My router has a useable table size of x16 inches by y24 inches. I don't have any limit switches.
My part created in Mastercam is X13 inches by Y17 inches.
After setting the soft limits to be several inches larger than my part, I then tried to activate the soft limits switch.
I got a message that the soft limits are out of range.
On the upper right corner of the toolpath screen in the "program limits" window it shows that the limits for the X axis are -375.8937 +4.4860.
I have 3 other parts (all created in Mastercam) thatl show equally goofy program limits measurements.
I have no problem machining the parts; I just don't have the safety of knowing I have soft limits.
Does anybody have a solution?

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