Example

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  • January 20, 2014 at 12:29 am #5212
    tomking505
    Member

    I have been struggling all day to complete a project that should have been done in November. Just now, I issued a G0Z0, which should have raised the cutter two millimeters. Instead, as you can see below, it sent the cutter 167 mm in the -Y direction, putting a deep gash in an eight pound block of HDPE, and snapping the cutter.

    Why does TinyG sometimes just take off on it’s own?

    g0z0
tinyg [mm] ok> 
tinyg [mm] ok> 
posy:167.094,posz:-1.997,vel:158.036,momo:0,stat:5
posy:165.555,posz:-1.979,vel:645.383
posx:108.697,posy:161.362,posz:-1.928,vel:1445.509
posx:108.698,posy:154.000,posz:-1.840,vel:2114.351
posx:108.698,posy:144.403,posz:-1.725,vel:2457.311
posx:108.698,posy:134.255,posz:-1.602,vel:2500.181
posx:108.699,posy:124.047,posz:-1.480
posx:108.699,posy:113.840,posz:-1.357
posx:108.699,posy:103.633,posz:-1.234
posx:108.700,posy:93.425,posz:-1.111
posx:108.700,posy:83.218,posz:-0.989
posx:108.701,posy:72.802,posz:-0.863
posx:108.701,posy:62.595,posz:-0.741
posx:108.701,posy:52.388,posz:-0.618
posx:108.702,posy:42.180,posz:-0.495
posx:108.702,posy:31.973,posz:-0.372
posx:108.702,posy:21.886,posz:-0.251,vel:2420.888
posx:108.703,posy:12.765,posz:-0.142,vel:2027.650
posx:108.703,posy:5.815,posz:-0.058,vel:1286.855
posx:108.703,posy:2.268,posz:-0.015,vel:531.176
posy:1.108,posz:-0.001,vel:104.328
posx:108.704,posy:1.000,posz:0.000,vel:0.000,stat:3
    January 20, 2014 at 5:57 pm #5215
    Riley
    Keymaster

    Tom,

    My reply to your previous post also applies.

    gcode feedrate error

    • This reply was modified 10 years, 8 months ago by Riley.
    January 27, 2014 at 9:47 am #5271
    tomking505
    Member

    There is nothing in your post that is applicable. You asked for:

    >What are you using to send gcode files? CoolTerm

    >Are you setting flow control? Yes

    >Since I think you are using coolterm to send files, did you follow this?

    >https://github.com/synthetos/TinyG/wiki/TinyG-Sending-Files-with-CoolTerm

    Yes

    >What gcode files are you sending?

    Not specific to any one set of gcode.

    >What firmware build number are you running?

    As I have posted elsewhere, 380.06 and 380.08. You told me I should upgrade the firmware, but multiple posts about AVRdude not working have not been answered.

    >I had a similar problem with a PCB mill running a cheap Chinese spindle.

    This happens occasionally when I send a file using CoolTerm, but then press cancel. As I have already explained in other posts, if I press “cancel”, and wait for all the commands in the buffer to stop, when I enter a new command (or just return) in the terminal window, TinyG does something bizarre, like launching the spindle in some random direction. This is not spindle noise.

    So the post you directed me to does not address this problem, which I have explained in more detail in other posts.

    • This reply was modified 10 years, 7 months ago by tomking505.
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