How Do I add Airblast (M07) to my Machine?

[coop31]

Hey guys,

I want to add an air blast function to my arrow 750 with a2100 control.

As it sits now, both m07 and m08 turn on the coolant pump. I would like to attach an electric air valve and control it with the m07 command. Any ideas on how to achieve this? I would assume that M07 and M08 turn on 2 different relays in the control panel somewhere?

[neilw20]

Run a program cycling M07/M09 and see which relay is clicking.
Then do the same with M08/M09.
You might need a small delay between on and off.

[coop31]

I tried that. Looks like the same one is going off for both m07 and m08

[neilw20]

I solved similar problem.
I put a 3 position switch two pole switch on panel for M7/M8

1. Coolant
2. off. Convenient to stop flood/noise and during program testing.
3. Air.

You could add a 4th so coolant and air would be together.

Or a mechanical fix!

On the outlet pipe put a two way tap, with non return valves on feed pipes.
1. Tap selects Coolant.
2. Halfway Air + coolant. Poor man's mist.
3. Air.

Just wire up the air solenoid to tun on when the coolant is on.
Instruct operator how to do a simple task.

Both of these fixes together, I now remember worked well together.

[coop31]

Nope, not going to work. I need it to be a programmable action, not manual.

[John_B]

Do you have the optional M70's installed on your control? If so it is fairly straightforward to add whatever you need and assign M70 thru M76 to the function. I have a pallet changer using three channels, and an indexer using another.

[coop31]

I don't have the option. Looks like this is not going to happen too easily.