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Wyman

Print acceleration VS travel acceleration

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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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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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