COREXY - Auto level & Z-homing

Hello,

I have  built a SPARKCUBE XL with ramps1.4. i set the extruder 1  to the third motor..
im using the http://www.repetier.com/firmware/v092/ for configure the firmware...
So, i have set the option Mirror motor signals to other stepper driver (FEATURE_TWO_ZSTEPPER))  and then in "MIRROR STEPPER SOCKET" and choose the "Extruder 1".. 

In the Endstops i have the follwing settings : 
image

The X and the Y line to the Home properly ... this is not the case with Z.... 

I have an inductive sensor, connected to the Z-min-Endstop.
image


Problems:
a) When I run the G28 Z0, the Z axis moves extremely fast, but when I give the instructions for the Z move 10mm it moves at normal speed.
b) How can I set the Z0 for this to be at the top, when you activate the sensor.

am i configuring something wrong ?


Best Regards
Bruno

Comments

  • edited April 2016
    hello, 

    After some adjustments...  

    // #################### Z-Probing #####################

    #define Z_PROBE_Z_OFFSET 0
    #define Z_PROBE_Z_OFFSET_MODE 0
    #define UI_BED_COATING 1
    #define FEATURE_Z_PROBE 1
    #define Z_PROBE_BED_DISTANCE 1
    #define Z_PROBE_PIN ORIG_Z_MIN_PIN
    #define Z_PROBE_PULLUP 0
    #define Z_PROBE_ON_HIGH 0
    #define Z_PROBE_X_OFFSET 40
    #define Z_PROBE_Y_OFFSET 60
    #define Z_PROBE_WAIT_BEFORE_TEST 0
    #define Z_PROBE_SPEED 2
    #define Z_PROBE_XY_SPEED 150
    #define Z_PROBE_SWITCHING_DISTANCE 10
    #define Z_PROBE_REPETITIONS 2
    #define Z_PROBE_HEIGHT 0
    #define Z_PROBE_START_SCRIPT ""
    #define Z_PROBE_FINISHED_SCRIPT ""
    #define Z_PROBE_REQUIRES_HEATING 0
    #define Z_PROBE_MIN_TEMPERATURE 150
    #define FEATURE_AUTOLEVEL 1
    #define Z_PROBE_X1 150
    #define Z_PROBE_Y1 20
    #define Z_PROBE_X2 20
    #define Z_PROBE_Y2 280
    #define Z_PROBE_X3 280
    #define Z_PROBE_Y3 280

    Problem A:
    i have set Homming_feedrate_z  to  5 instead 40 and the first problem was solved;

    Problem B:
    After execute the command G28 for homing all axis and then the G29... i got the folling result on LOG :

    15:22:24.390 : Z-probe:0.67 X:150.00 Y:20.00
    15:22:37.555 : Z-probe:0.96 X:20.00 Y:280.00
    15:22:51.483 : Z-probe:2.55 X:280.00 Y:280.00
    15:22:53.468 : Z-probe average height:1.39
    15:22:53.468 : X:280.00 Y:280.00 Z:1.100 E:0.0000


    After performing a g32: 

    15:28:57.507 : Z-probe:0.62 X:150.00 Y:20.00
    15:29:10.673 : Z-probe:0.92 X:20.00 Y:280.00
    15:29:24.635 : Z-probe:2.52 X:280.00 Y:280.00
    15:29:25.963 : plane: a = 0.0062 b = 0.0042 c = -0.3893
    15:29:25.963 : Transformation matrix: 0.999981 0.000000 -0.006173 -0.000026 0.999991 -0.004231 0.006173 0.004231 0.999972
    15:29:25.979 : CurrentZ:2.02 atZ:1.10
    15:29:26.618 : Info:Autoleveling enabled
    15:29:26.618 : X:279.98 Y:279.98 Z:4.935 E:0.0000




  • hello,
    22:26:30.776 : Z-probe:4.73 X:150.00 Y:20.00
    22:27:36.474 : Z-probe:3.09 X:20.00 Y:280.00
    22:28:41.317 : Z-probe:3.42 X:280.00 Y:280.00
    22:28:42.588 : plane: a = 0.0013 b = -0.0056 c = 4.6465
    22:28:42.596 : Transformation matrix: 0.999999 0.000000 -0.001282 0.000007 0.999984 0.005648 0.001282 -0.005648 0.999983
    22:28:42.598 : CurrentZ:3.71 atZ:0.00
    22:28:43.230 : Info:Autoleveling enabled
    22:28:43.230 : X:280.00 Y:280.02 Z:2.488 E:0.0000
    22:28:51.474 : X:280.00 Y:280.02 Z:2.488 E:0.0000
    22:28:56.333 : X:280.00 Y:280.02 Z:2.488 E:0.0000
    22:29:13.714 : Info:Autoleveling disabled
    22:30:19.094 : Z-probe:4.88 X:150.00 Y:20.00
    22:31:24.866 : Z-probe:3.11 X:20.00 Y:280.00
    22:32:29.746 : Z-probe:3.47 X:280.00 Y:280.00
    22:32:31.045 : plane: a = 0.0014 b = -0.0061 c = 4.7926
    22:32:31.045 : Transformation matrix: 0.999999 0.000000 -0.001385 0.000008 0.999981 0.006096 0.001385 -0.006096 0.999980
    22:32:31.045 : CurrentZ:3.78 atZ:3.71
    22:32:31.695 : Info:Autoleveling enabled
    22:32:32.489 : X:279.99 Y:280.02 Z:2.463 E:0.0000

    But when i start a print... the Bed hit on the nozzle.... 


    any idea why this happen ?
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