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This is a very good system.

( I would drive the z axis at 1:3, for more 300% torque = acceleration.)
Try Arts test at the lower acceleration, and let us know.
It will likely make a difference, or lead to clues on where the problem is.

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In the control box I have 4 x Gecko G203V Stepper drive units

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34HSX-104D Stepper motor (2 x motors for X-Axis, 1 X motor on Y-Axis)

23HSX-102D Stepper motor (Z-Axis)

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X-Axis drive system:

15 tooth Pinion

15T T5 Timing pulley

T5 420 Timing belt

60T T5 Timing pulley

20mm Linear Guides and 20mm Linear Blocks

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Y-Axis drive system:

20 x10mm Ball Screw and 20 x10mm Ball Nut

15mm Linear Guides and 15mm Linear Blocks

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Z-Axis drive system:

12x4 Ball Screw with 12x4 Ball nut

15mm Linear Guides and 15mm Linear Blocks

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From: mach1mach2cnc@... [mailto:mach1mach2cnc@...]
Sent: 17 February 2015 03:57 PM
To: mach1mach2cnc@...
Subject: Re: [mach1mach2cnc] Support

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What motors are you using;
Ie what is your motion-control train ?

Steppers ? Drivers ? Volts ? Belts or couplers ? Breakout board ?

Do you only have 86.x steps / mm on x ?

On 17/02/2015 14:31, 'Andre Schoonbee' andresch@... [mach1mach2cnc] wrote:

Hi Art

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I will try this as well.

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My Motor Tuning settings for all my axes as the following – starting with the Z-Axis:

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Z-Axis:? Steps per = 494.0698539

??????????????? Velocity mm’s per min = 5191.0

??????????????? Acceleration = 100

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X-Axis:? Steps per = 86.95652174

??????????????? Velocity mm’s per min = 8328

??????????????? Acceleration = 306.1875

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Y-Axis:? Steps per = 200.3234631

??????????????? Velocity mm’s per min = 6228

??????????????? Acceleration = 157.15116

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For what it is worth

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-hanermo (cnc designs)

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-hanermo (cnc designs)