Home Z leaves nozzle 5mm above bed! May 13, 2020 05:16AM |
Registered: 9 years ago Posts: 57 |
; homez.g G91 ; set movement to relative mode G1 Z5 F200 ; move Z up 5mm G90 ; set movement to absolute mode G1 X100 Y100 F2000 ; move X and Y to probe point. ADJUST X and Y values to get Z probe over target. ;G30 X75 Y0 Z-99999 G30 ; home Z, using values from G31 in config.g G92 Z0 ; set this position as Z=0
config.g ; Configuration file for RepRap Ormerod 1 ; RepRapPro Ltd ; ; Copy this file to config.g if you have an Ormerod 1 ; If you are updating a config.g that you already have you ; may wish to go through it and this file checking what you ; want to keep from your old file. ; ; For G-code definitions, see [reprap.org] ; M111 S0 ; Debug off M550 P3D Printer ; Machine name (can be anything you like). With DHCP enabled connect to (example) [reprapproormerod1] (machine name with no spaces). M551 Preprap ; Machine password (currently not used) M540 P0xBE:0xEF:0xDE:0xAD:0xFE:0x14 ; MAC Address ;M552 P0.0.0.0 ; Un-comment for DHCP M552 P192.168.1.14 ; IP address, comment for DHCP M553 P255.255.255.0 ; Netmask M554 P192.168.1.1 ; Gateway, comment for DHCP M555 P2 ; Set output to look like Marlin G21 ; Work in millimetres G90 ; Send absolute corrdinates... M83 ; ...but relative extruder moves ; Axis and motor configuration M569 P0 S1 ; Drive 0 goes forwards M569 P1 S1 ; Drive 1 goes forwards M569 P2 S1 ; Drive 2 goes forwards M569 P3 S1 ; Drive 3 goes forwards M569 P4 S1 ; Drive 4 goes forwards M574 Y2 S1 ; set endstop for Y axis to high end Active High (PS 1/2/2020) M574 X1 Z1 S2 ; Set endstop for X and Z axis to low end Z probe (PS 1/2/2020) M208 X220 Y230 Z180 ; set axis maxima M208 X-10 Y-10 Z-3 S1 ; set axis minima M564 H0 ; Allow axes to move before they're homed M906 X800 Y1000 Z800 E800 ; Set motor currents (mA) M305 P0 T10000 B3988 R1000 H0 L0 ; Bed thermistor resistance (PS 1/2/2020) M305 P1 T100000 B4138 C0 R1000 H0 L0 ; Nozzle Thermistor series resistance (PS 1/2/2020) M307 H0 A96.8 C833.2 D3.7 S1.00 V0.0 B1 ; From auto calibration by PS after sending M303 H0 S60 13/04/2020 M307 H1 280.3 C54.0 D3.1 S1.00 V0.0 B0 ; From auto calibration by PS after sending M303 H1 S210 13/04/2020 M92 E408 ; Set extruder steps per mm (PS 5/5/2020 M558 P1 ; Use a modulated Z probe (change to P2 if you update to the modulated probe) G31 Z1.805 P500 ; Set the probe height and threshold (PS 12/5/2020) M556 S75 X0 Y0 Z0 ; Put your axis compensation here M201 X500 Y500 Z15 E500 ; Accelerations (mm/s^2) M203 X15000 Y15000 Z100 E3600 ; Maximum speeds (mm/min) M566 X200 Y200 Z30 E20 ; Minimum speeds mm/minute M563 P0 D0 H1 ; Define tool 0 G10 P0 S-273 R-273 ; Set tool 0 operating and standby temperatures ;M563 P1 D1 H2 ; Define tool 1 Uncomment if you have a dual colour upgrade ;G10 P1 X19 S-273 R-273 ; Set tool 1 operating and standby temperatures Uncomment if you have a dual colour upgrade M84 S30 ;powers off motors after 30 seconds of inactivity M143 H1 S230 ; (PS 19/02/2020) M557 X50:200 Y0:200 S25 ;Define the mesh for mapping the bed ; M501 ; set active parameters to those stored in config-override.gCan anyone help please!
Re: Home Z leaves nozzle 5mm above bed! May 13, 2020 07:10AM |
Registered: 9 years ago Posts: 57 |
Re: Home Z leaves nozzle 5mm above bed! May 13, 2020 03:09PM |
Registered: 11 years ago Posts: 14,685 |
Quote
PeterSimpson
The presence of the G92 Z0 in my homez.g file was wrong in that it was setting the position after leaving the G30 command (i.e. the trigger height + 5mm) as Z=0!
After removing the G90 Z0 command it now works as it should, and G1 Z0 moves the head to just touching the bed.