Tool Change on Lathe with rack tool container

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12 Mar 2014 23:59 - 15 Mar 2014 02:25 #44741 by RobotMatic
Hi.
I' m using a lathe with a rack tool container. It is not a magazine ! It is not a manual tool change ! .

The rack tool container is a table with a lot of tools.

I need a continuous change of tools .

Example

T1M6
G0G90.......
G28G91Z0
T2M6
G0G90......
G28G91Z0.
T3M6
G0G90......
G28G91Z0..


In my linuxcnc. I have to press the continuous button between tools. I need to eliminate the manual change of tools.

How can I do this with Linuxcnc?

Regards,

Eduardo
Last edit: 15 Mar 2014 02:25 by RobotMatic.

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13 Mar 2014 00:19 #44742 by cncbasher
Replied by cncbasher on topic Tool Change on Lathe with rack tool container
their are many ways to control a toolchanger , but we need more information , details of your machine , type of toolchanger and how it is connected etc , stepper motor or servo
you type of interface to your pc etc , given this information we can advise further

the most common way is using the inbuilt plc in linuxcnc 'classic ladder , also this can be done by writing a 'component ' to link in motor and encoder / switches for the toolchanger

any wiring diagrams available etc ? , more information the better
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13 Mar 2014 10:26 #44749 by andypugh
Replied by andypugh on topic Tool Change on Lathe with rack tool container

tthe most common way is using the inbuilt plc in linuxcnc 'classic ladder , also this can be done by writing a 'component ' to link in motor and encoder / switches for the toolchanger

For a rack-type toolchanger where tool-change happens by axis movements then the third option of G-code re-mapping might be appropriate.
www.linuxcnc.org/docs/devel/html/remap/structure.html
The development branch includes a demo of a G-code remapped rack changer: configs/sim/remap/rack-toolchange
That will be mainline in 2.6 and can be used with some confidence at the present time.
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13 Mar 2014 18:21 #44755 by BigJohnT
Replied by BigJohnT on topic Tool Change on Lathe with rack tool container

Hi.
I' m using a lathe with a rack tool container. It is not a magazine ! It is not a manual tool change ! .

The rack tool container is a table with a lot of tools.

I need a continuous change of tools .

Example

T1M6
G0G90.......
G28G91Z0
T2M6
G0G90......
G28G91Z0.
T3M6
G0G90......
G28G91Z0..


In my linuxcnc. I have to press the continuous button between tools. I need to eliminate the manual change of tools.

How can I do this with Linuxcnc?

Regards,

Eduardo


Remove the manual tool changer component and connect
iocontrol.0.tool-prepare to iocontrol.0.tool-prepared
iocontrol.0.tool-change to iocontrol.0.tool-changed

JT
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13 Mar 2014 19:30 #44758 by andypugh
Replied by andypugh on topic Tool Change on Lathe with rack tool container
Don't forget that you need a G43 to apply the tool offsets.
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13 Mar 2014 22:42 #44762 by RobotMatic
Replied by RobotMatic on topic Tool Change on Lathe with rack tool container
Thank you for reply !!

Today my lathe worked !!!!!!

Solution by JT

Remove the manual tool changer component and connect

net tool-prepare iocontrol.0.tool-prepare => iocontrol.0.tool-prepared
net tool-change iocontrol.0.tool-change => iocontrol.0.tool-changed

but when M6 is activate , turns off the splinde. it is not necesary !

Regards

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13 Mar 2014 23:19 #44763 by andypugh
Replied by andypugh on topic Tool Change on Lathe with rack tool container

but when M6 is activate , turns off the splinde. it is not necesary !


That's an INI file switch:
www.linuxcnc.org/docs/html/config/ini_co..._sub_emcio_section_a

TOOL_CHANGE_WTH_SPINDLE_ON = 1
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