[HammerM0N]

HI All
I'll really appreciate your help

on acceleration and deceleration I have terrible noises ( something like the step motor goes step by step or under very heavy load )
on high RPM ( of the step motors ) they work pretty smooth ( jogging at 1000mm/s )

it's based on Arduino GRBL V1.1

I attach my motor connection schematics + Driver setting + GRBL Settings



======================== GRBL Settings ========================

$0 = 10 (Step pulse time, microseconds)
$1 = 255 (Step idle delay, milliseconds)
$2 = 0 (Step pulse invert, mask)
$3 = 4 (Step direction invert, mask)
$4 = 0 (Invert step enable pin, boolean)
$5 = 0 (Invert limit pins, boolean)
$6 = 0 (Invert probe pin, boolean)
$10 = 0 (Status report options, mask)
$11 = 0.010 (Junction deviation, millimeters)
$12 = 0.002 (Arc tolerance, millimeters)
$13 = 0 (Report in inches, boolean)
$20 = 0 (Soft limits enable, boolean)
$21 = 0 (Hard limits enable, boolean)
$22 = 0 (Homing cycle enable, boolean)
$23 = 0 (Homing direction invert, mask)
$24 = 25.000 (Homing locate feed rate, mm/min)
$25 = 500.000 (Homing search seek rate, mm/min)
$26 = 250 (Homing switch debounce delay, milliseconds)
$27 = 1.000 (Homing switch pull-off distance, millimeters)
$30 = 1000 (Maximum spindle speed, RPM)
$31 = 0 (Minimum spindle speed, RPM)
$32 = 0 (Laser-mode enable, boolean)
$100 = 640.000 (X-axis travel resolution, step/mm)
$101 = 640.000 (Y-axis travel resolution, step/mm)
$102 = 640.000 (Z-axis travel resolution, step/mm)
$110 = 2000.000 (X-axis maximum rate, mm/min)
$111 = 2000.000 (Y-axis maximum rate, mm/min)
$112 = 2000.000 (Z-axis maximum rate, mm/min)
$120 = 100.000 (X-axis acceleration, mm/sec^2)
$121 = 100.000 (Y-axis acceleration, mm/sec^2)
$122 = 100.000 (Z-axis acceleration, mm/sec^2)
$130 = 200.000 (X-axis maximum travel, millimeters)
$131 = 200.000 (Y-axis maximum travel, millimeters)
$132 = 200.000 (Z-axis maximum travel, millimeters)

[HammerM0N]

Hi,
Any one ?
Any ideas ?