Cheap XYZ Probe

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http://youtube.com/watch?v=YGm-HcldMpk

Touch Probe Commands Guide • The 3 commands below should each go under a separate macro in the macro tab inUniversal G-Code Sender - Classic. • Z Probe • G38.2 Z-25 F100; G10 P0 L20 Z5; G21 G91 G0 Z3 • XYZ Probe 1/4 bit • G38.2 Z-25 F100; G91 G0 Z3; G91 G0 X-50; G91 G0 Z-8.2; G38.2 X30 F100; G91 G0 X-3; G91 G0 • Z8.2; G91 G0 Y-50; G91 G0 X50; G91 G0 Z-8.2; G38.2 Y30 F100; G91 G0 Y-3; G91 G0 Z8.2; G10 P0 • L20 X34.355 Y-17.255 Z8 • XYZ Probe 1/8 bit • G38.2 Z-25 F100; G91 G0 Z3; G91 G0 X-50; G91 G0 Z-8.2; G38.2 X30 F100; G91 G0 X-3; G91 G0 • Z8.2; G91 G0 Y-50; G91 G0 X50; G91 G0 Z-8.2; G38.2 Y30 F100; G91 G0 Y-3; G91 G0 Z8.2; G10 P0 • L20 X35.943 Y-15.667 Z8 • Command meanings: (Semi colons separate command sets) • G38.2 Z-25 F100 • G38.2 is a probe command which means, seek until the probe circuit is closed (Arduino ground to • pin A5). Z-25 means drop the Z axis down a maximum of 25mm (metric in this case). Of course, this • travel should be interrupted by probe contacting the plate surface. F100 is the probe travel speed. • You may want to slow yours down, but 100 works fine. • G91 G0 Z3 • G91 G0 Is a rapid move, the Z axis 3mm up or positive direction. • G91 G0 X-50 • Then rapid move 50mm left, or negative X direction. • G91 G0 Z-8.2 • And drop Z down 8.2mm in preparation for X probing. • G38.2 X25 F100 • Now probe for X side of the calibration plate. • G91 G0 X-3 • Pull bit away from the cal plate 3mm. • G91 G0 Z8.2 • Raise bit up 8.2mm before moving to the front of the plate • G91 G0 Y-50 • Move toward front of the plate 50mm. • G91 G0 X50 • Move right, in the X positive direction, 50mm. • G91 G0 Z-8.2 • Drop the bit back down 8.2mm in preparation for Y probing. • G38.2 Y25 F100 • Probe Y axis. • G91 G0 Y-3 • Pull forward off work, 3mm • G91 G0 Z8.2 • Raise bit 8.2mm. • G10 P0 L20 X? Y? Z? • Store probe offset's in co-ordinates system • Music used • Moonlight Guides Me by Jonny Easton • Link: • Moonlight Guides Me - Soft Piano Musi... • I Remember You by Jonny Easton Link: • Emotional Piano Music - Royalty Free... • Check out his channel Link: / jonnyeaston

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