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Print acceleration VS travel acceleration


Wyman

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Posted (edited) · Print acceleration VS travel acceleration

Hello,

To improve Repetier Server configuration, looking for the difference between "Print acceleration" and "Travel acceleration". Firmware information does not indicate that.

And also the value of "move buffer size"

repetier.thumb.png.b0f60dabb841136355f678cce5ece8f3.png

Ultimaker Original+ settings :

UltiController/Control :

Volume d'impression : 210X210 X 205

Dimensions (W x D x H) 357 x 342 x 388mm

Mass 9 kg

accel : 4000 = DEFAULT_ACCELERATION

Vxy-jerk : 20 = DEFAULT_XYJERK

Vz-jerk : +000.40 = DEFAULT_ZJERK

Ve-jerk : 5 = DEFAULT_EJERK

DEFAULT_MAX_FEEDRATE

Vmax X:500

Vmax Y: 500

Vmax Z: 30

Vmax E: 25

Vmin :

Vtrav :

define DEFAULT_MAX_ACCELERATION

Amax X: 9000

Amax Y : 9000

Amax Z: 100

Amax E : 10000

A-retract : 3000

DEFAULT_AXIS_STEPS_PER_UNIT

Xsteps/mm : +078.74  

Ysteps/mm : +078.74

Zsteps/mm : +0200.0

Esteps/mm : +0836.0

*********** send by Repetier *************

*heatUp speed : 0,18389541704687237  C/s

*CoolDown Speed : 0,02562551780623093 C/s

********** marlin RC7 value ***************

X, Y, Z and E acceleration in mm/s^2 for printing moves : 4000   (valeur marlin RC7)

E acceleration in mm/s^2 for retracts : 3000

X, Y, Z acceleration in mm/s^2 for travel (non printing) moves : 3000

#define DEFAULT_AXIS_STEPS_PER_UNIT   {78.7402,78.7402,200.0,760*1.1} //{80,80,4000,500}  // default steps per unit for Ultimaker

#define DEFAULT_MAX_FEEDRATE          {500, 500, 30, 25}  //{300, 300, 5, 25}    // (mm/sec)

#define DEFAULT_MAX_ACCELERATION      {9000,9000,100,10000}  //{3000,3000,100,10000}    // X, Y, Z, E maximum start speed for accelerated moves

Thanks...

repetier.thumb.png.b0f60dabb841136355f678cce5ece8f3.png

Edited by Guest
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    Posted · Print acceleration VS travel acceleration

    Print acceleration; What is the acceleration to use while actually printing (eg; extruding material & moving)

    travel acceleration; what is the acceleration to use when moving (Moving head / bed & not extruding)

    Move buffer size has to do with how many moves the firmware should keep in it's memory. More is theoretically better, but most chipsets can't handle large amounts.

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