Secondary spindle on 7i76e

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21 Apr 2019 11:40 #131385 by tecno
Time to hook up my high-speed spindle to my mill with 7i76e.



This is a Spintec VM17 (old model) and the 900Hz inverter can be controlled with 5V or 10V or 24V

I have following BoB



Is it correct that this Bob is connected to P2 on 7i76e
Where can I find a schematic how to connect the needed pins on the BoB

What lines must be added to my HAL file?
How do one control the secondary spindle? M3 is for main spindle so M300 ??

Cheers
Bengt
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21 Apr 2019 13:31 #131393 by tommylight
user PL7i92 has made some videos and some pictures of this board and it's connections, if i remember correctly.
Just do a search for him.

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22 Apr 2019 09:44 #131475 by tecno
Replied by tecno on topic Secondary spindle on 7i76e
Is there a way to redirect following when issuing S12000 to S56000

hm2_7i76e.0.7i76.0.0.spinena
hm2_7i76e.0.7i76.0.0.spinout

to appropriate pins ( IO34 to IO41) on P2 on 7i76e ?

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22 Apr 2019 10:15 #131477 by Mike_Eitel
I'm dreaming to have a high-speed spindle in a similar way.. Some day.
I think you will never use both spindles in same lot. So why not using two ini/hal's?

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22 Apr 2019 10:20 #131478 by pl7i92
Replied by pl7i92 on topic Secondary spindle on 7i76e
you can configure the pin 1 of the BOB as output PWM ((( PIN 1 in NOT Connected)))

then just hook up the 24V to the BOB
and you are up the 0-10V outputs direct to VFD
BUT you can normaly use MODEBUS to configure your VFD

Keep in mind the CHina Mach3 BOB has a Invert PWM

here is my video on the setup

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22 Apr 2019 10:27 #131481 by tecno
Replied by tecno on topic Secondary spindle on 7i76e
Not a lot but when I need it I need it so 2 setups not the way I was thinking about.
Primarily engraving milled parts in one go.

I have had 2 more modern spindles from SPV, but they have been converted to well needed cash ;)

This one is 400W but have SPV's own collets = expensive.
I now have to find a solution to my 1/8" tools.
A sleeve to 6mm collet or to cut down a ER11 straight schank. Both compromises compared to original SPV collet that only is available in 3mm so that one must be regrinded to 1/8".
It is a balancing issue I am concerned about with the compromises above.

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22 Apr 2019 10:33 #131483 by tecno
Replied by tecno on topic Secondary spindle on 7i76e
This is a special VFD so no Modbus here at all unfortunately, only 5 - 10 or 24V so 10V it will be.

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22 Apr 2019 10:35 #131484 by tecno
Replied by tecno on topic Secondary spindle on 7i76e

pl7i92 wrote: you can configure the pin 1 of the BOB as output PWM ((( PIN 1 in NOT Connected)))


Is the pin1 on BOB IO34 on P2 on the 7i96e ?

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22 Apr 2019 10:47 #131487 by rodw
Replied by rodw on topic Secondary spindle on 7i76e
Don't forget that master branch supports multi spindle and there is changed gcodes so you can select the spindle you want at any time. That would be much better long term.

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22 Apr 2019 10:49 - 22 Apr 2019 10:49 #131488 by tecno
Replied by tecno on topic Secondary spindle on 7i76e
OK, but....

All updates etc will have to be manually done = me no like ;)
Will wait until 2.8 is in the open so to speak.
Last edit: 22 Apr 2019 10:49 by tecno.

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