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Post by cncnoob on Apr 15, 2020 22:19:08 GMT
I'm having some problems getting my Mega V to work with UGS. I'm new to CNC routers so I'm sure that it's probably operator error. It will not jog in any direction, either the motor will hum and nothing else happens or it says that the movement exceeds the soft limits. There's constantly script running on the console as well which doesn't seem to be the case for other people. Any advice?
I'm using windows 10 and have the 35 inch Mega V along with UGS and VCarve Pro.
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Post by Bruce on Apr 15, 2020 22:41:04 GMT
Post your GRBL settings. Type $$ in the console. You can turn soft limits off.
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Post by cncnoob on Apr 15, 2020 23:22:14 GMT
I turned the soft limits off, but still no luck getting it to jog.
$0 = 10 (Step pulse time, microseconds) $1 = 255 (Step idle delay, milliseconds) $2 = 0 (Step pulse invert, mask) $3 = 0 (Step direction invert, mask) $4 = 0 (Invert step enable pin, boolean) $5 = 0 (Invert limit pins, boolean) $6 = 0 (Invert probe pin, boolean) $10 = 1 (Status report options, mask) $11 = 0.020 (Junction deviation, millimeters) $12 = 0.002 (Arc tolerance, millimeters) $13 = 0 (Report in inches, boolean) $20 = 0 (Soft limits enable, boolean) $21 = 1 (Hard limits enable, boolean) $22 = 1 (Homing cycle enable, boolean) $23 = 0 (Homing direction invert, mask) $24 = 50.000 (Homing locate feed rate, mm/min) $25 = 800.000 (Homing search seek rate, mm/min) $26 = 200 (Homing switch debounce delay, milliseconds) $27 = 5.000 (Homing switch pull-off distance, millimeters) $30 = 100 (Maximum spindle speed, RPM) $31 = 0 (Minimum spindle speed, RPM) $32 = 1 (Laser-mode enable, boolean) $100 = 57.288 (X-axis travel resolution, step/mm) $101 = 57.288 (Y-axis travel resolution, step/mm) $102 = 200.000 (Z-axis travel resolution, step/mm) $103 = 13.333 (A-axis travel resolution, step/deg) $110 = 16510.000 (X-axis maximum rate, mm/min) $111 = 16510.000 (Y-axis maximum rate, mm/min) $112 = 4570.000 (Z-axis maximum rate, mm/min) $113 = 15000.000 (A-axis maximum rate, deg/min) $120 = 1470.000 (X-axis acceleration, mm/sec^2) $121 = 1470.000 (Y-axis acceleration, mm/sec^2) $122 = 700.000 (Z-axis acceleration, mm/sec^2) $123 = 4000.000 (A-axis acceleration, deg/sec^2) $130 = 900.000 (X-axis maximum travel, millimeters) $131 = 900.000 (Y-axis maximum travel, millimeters) $132 = 100.000 (Z-axis maximum travel, millimeters) $133 = 360.000 (A-axis maximum travel, deg)
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Post by Bruce on Apr 17, 2020 22:34:36 GMT
Do you also have the (4th) A Axis option?
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Post by cncnoob on Apr 19, 2020 18:12:46 GMT
I do, but I don't currently have the 4th axis set up.
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MajorFrantic
New Member
Mega V 35"x35", 4th Axis, 44w OctoPro Laser
Posts: 33
Location: Nashville, TN
Machine: Other
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Post by MajorFrantic on Apr 19, 2020 19:09:34 GMT
I do, but I don't currently have the 4th axis set up. Are you using the 4th Axis UGS software build?
If so, you may be having trouble because the software is trying to home the 4th Axis (A).
You could try using one of the other UGS builds, which I don't think try to utilize the A axis.
Otherwise, you might try installing the 4th axis and seeing if that helped. See my thread on the 4th Axis trouble shooting.
Jeremy
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Post by cncnoob on Apr 19, 2020 21:42:09 GMT
I tried uninstalling the 4th axis build and using the old UGS build but it didn't change anything. The only action I've been able to get to work is the outline function, otherwise the machine won't move at all.
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Post by cncnoob on Apr 20, 2020 22:58:03 GMT
I also tried reinstalling the UGS 4th axis compatible version and installing the 4th axis on the Mega V, but still had the same results. Nothing happens when I try to jog the machine and nothing happens in the setup wizard when i try either. From the second that I connect to the router through UGS the console continuously and repetitively displays this:
[verbose] <Idle|MPos:0.000,0.000,0.000,0.000|FS:0,0|Pn:Y|WCO:-2.600,-1.000,-0.500,0.000> [verbose] <Idle|MPos:0.000,0.000,0.000,0.000|FS:0,0|Pn:Y|Ov:100,100,100> [verbose] <Idle|MPos:0.000,0.000,0.000,0.000|FS:0,0|Pn:Y> [verbose] <Idle|MPos:0.000,0.000,0.000,0.000|FS:0,0|Pn:Y> [verbose] <Idle|MPos:0.000,0.000,0.000,0.000|FS:0,0|Pn:Y> [verbose] <Idle|MPos:0.000,0.000,0.000,0.000|FS:0,0|Pn:Y> [verbose] <Idle|MPos:0.000,0.000,0.000,0.000|FS:0,0|Pn:Y> [verbose] <Idle|MPos:0.000,0.000,0.000,0.000|FS:0,0|Pn:Y> [verbose] <Idle|MPos:0.000,0.000,0.000,0.000|FS:0,0|Pn:Y> [verbose] <Idle|MPos:0.000,0.000,0.000,0.000|FS:0,0|Pn:Y> [verbose] <Idle|MPos:0.000,0.000,0.000,0.000|FS:0,0|Pn:Y|WCO:-2.600,-1.000,-0.500,0.000> [verbose] <Idle|MPos:0.000,0.000,0.000,0.000|FS:0,0|Pn:Y|Ov:100,100,100> [verbose] <Idle|MPos:0.000,0.000,0.000,0.000|FS:0,0|Pn:Y> [verbose] <Idle|MPos:0.000,0.000,0.000,0.000|FS:0,0|Pn:Y> [verbose] <Idle|MPos:0.000,0.000,0.000,0.000|FS:0,0|Pn:Y> [verbose] <Idle|MPos:0.000,0.000,0.000,0.000|FS:0,0|Pn:Y> [verbose] <Idle|MPos:0.000,0.000,0.000,0.000|FS:0,0|Pn:Y> [verbose] <Idle|MPos:0.000,0.000,0.000,0.000|FS:0,0|Pn:Y> **** Connection closed ****
It runs that script nonstop until i disconnect the machine. Is that normal?
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Post by Bruce on Apr 22, 2020 1:39:09 GMT
Looks like the Y limit switch is stuck on. Try moving the Y gantry forward (with everything turned off) then turn it on again and see what happens.
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Post by cncnoob on Apr 30, 2020 0:46:33 GMT
The limit switch was on when I copied that, it's not an issue now. I still haven't been able to get it to jog or to home.
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Post by Bruce on Apr 30, 2020 22:10:34 GMT
I think you have to have the 4th axis setup and connected from what I have read here on the forum. If the machine has to home the 4th axis first, it won't do anything else until it sees it hit the home switch. This is just a guess on my part. Typically Z homes first, then X and Y home together on a 3 axis machine. But I don't know where the A or 4th axis fits into the sequence.
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Post by Derek the Admin on May 1, 2020 0:05:14 GMT
The Y axis does look stuck. For what it's worth, the control isn't set to home the 4th.
Can you tell me more about what you are seeing? So there is no more "Pn:y" showing up in verbose output, but what response to you get when you attempt to job? Can you show us/tell us your jog settings? We see that sometimes people have it set to 10mm a minute and a step size of 1mm. That speed and size movement is nearly indiscernible. Is your size and speed set sufficiently high?
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Post by cncnoob on May 11, 2020 19:33:54 GMT
You were right about the step size when it comes to jogging the machine. I'm still having issues homing it though. It sounds like the motor is humming but it doesn't move at all. I also get an "unexpected command" error a few seconds into the homing cycle each time.
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Post by Bruce on May 12, 2020 3:15:16 GMT
I found these to errors. Can you tell us more info?
Error 1: Expected command letter G-code words consist of a letter and a value. Letter was not found.
Error 20: Unsupported command Unsupported or invalid g-code command found in block.
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Post by cncnoob on May 12, 2020 17:20:15 GMT
Figured it out. It's amazing all the trouble one loose screw can cause. The motor shaft was spinning, but the motor coupler was just loose enough that the Z axis could move down, but not back up. I tightened it and it works great now. Thanks!
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