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Good diagram here:
https://www.machinerypartsdepot.com/store/1478157/page/547181
Very friendy, helpful folks too. They know Bridgeports and get parts out ASAP.

In lieu of that, measuring the ID...

First off - I've gutted a couple Boss mills for retrofits, I'll poke around and see if I've got that board / extra spares. Slew of boards, rectifiers, transistors, etc in those things.

2nd - call...

Guess easy way test that is swap X / Y drivers and see if it happens on X. Growl isn't always bad drive. Loose wire or settings common too.

that said - I honestly had issues with leadshines out of...

Maybe try dialing back max accel rate(s) on steppers. Check wires, make sure nothing is loose, yada, yada.

Have had issue where rapid moves would sometimes jam up Z on my BOSS 5 w/ OEM steppers -...

I can get more info / some pics - but I run a MASSO w/ Gecko 203v on a Bridgeport conversion. Sweetest thing since sliced bread really. Support is quite helpful but obviously bit overwhelmed. Most...

Yup - run mine parallel at 56v - pull is about 6.5a during max accel / rapid way mine are set up. 2x accel and 100ipm max. Missed some steps at 120 ipm w/ microstep drives - dialing it back smoothed...

Right on. Centroid, MASSO, Flashcut, etc - All make good products with their own pros / cons for each of us to sort through and decide. At the root of it - DIY CNC isn't hard so long as one...

Quick explanation of 6-wire BOSS Steppers with OEM wires to 4-wire drive - use wires 1 (solid white) 3 (white/red) for step and wires 2 (white / green) and 4 (white / black) for direction. Cap wires...

Just finished the install / setup of a MASSO on Bridgeport BOSS. Yes currently USB stick is only option for gcode, and no way to edit code on fly but wireless networking coming soon via software...

Just finished and successfully tested my BOSS 4 retrofit using OEM steppers, outside of terrible abuse - they should be fine. Gecko 203v matched with proper power supply can get the steppers moving...

~How do I reverse my X and Z motor direction?

Most likely swap wires A+ / A- to the stepper / servo.

Ah - didn't notice question was 8 months old. Trust this was resolved by now.

I use mach 4 so what other poster said too - Check parameter / line 0144 in VFD settings for spindle max.

Much more on this vfd here...

After spending a little time with 2283 drives. be sure to check the voltage on line intending to use your Keling drives. When they say 120v - they mean 120v, not 121, 122, etc. The 2283 claims to...

ESS and BOB go together like peas and carrots. There is more than one way to do this, but many users of Mach use the warp 9 ESS - check out CNC4PC. I chose ESS, that connects directly to BOB (C62). ...

As FYI - received C34KL adapters today, they did not fit the 2283. Likely wouldn't fit the 1180 either. The pin inputs on chip are too wide. That was a bummer.

As FYI - received adapters today, the C34KL does not fit the KL2283 driver. Pins are too wide, does not match the inputs. Figure it would be same for the 1180 model.

The steppers should be OK if they're in working order - servos wire exact same way so don't let that hold you up. They need 56VDC and up to 8 amps. Got mine at 7.

To find spindle lines - follow...

Any luck? I've got a full set of BOSS schematics if there is something can help with. About 90% through own conversion. The reds are AC (spindle) and blues are DC (drives) - it's not quite that easy...

The idea is that you connect that driver using the C34KL:

Wish I had known that existed before now. Dang.


Thanks for response - cnc4pc support has always been helpful. Glad site / manuals...

Finallly got in touch with them via their site - they helped and they will.

Bought new c62 recently - getting to setup and all the wonderful manuals error 404.

Anyhow, setting up c62 board with KL2283 drives. Possible to identify which wires from rj45 out goes to dir- /...

Been three years, seems time to bump.

Folks having good results with the IM2882 with Sigma Steppers? Own a BOSS, the OEM controls have given up. Been keeping running swapping transistors / diodes...

Now a duplicate.

Too make a long story short, have a bridgeport boss 4 w/ mach 4 conversion using the OEM axis drives. This system seems to have failed, not getting required voltage out (should...

LOL - looked like a fun thread, was playing role of annoying new bobcad user. Just a haha, not really a question.

Is this a good place to ask how to turn off the 'tip of the day' message?


j/k Haha. Use V25 Mill, just discovered this sub forum existed.

Yep - mod is correct. Check your default 'save as' or 'do this with file type X' settings if not getting prompted. If nothing works and you're hobbiest or small business under 100k in sales - might...

Machining SS is the pits - it tears up everything. 304 machines nicer than 316 IMO. Personally I'd contact the insert maker for advice.

Lost money every time I got involved with SS - cheap to...

Considered an airbrush type compressor? Pretty quiet, most have pretty decent duty-cycles. Not a lot of air but it doesn't take much to keep aluminum chips moving along. Dental / Medical offices have...

135 degree High helix bits. I usually use Cobalt with air to keep chips moving and lube with periodic squirt of spirits - flood coolant might not be what you want here. If finish is perpetual issue -...

Well smack me up and call me stoopid. BobCAD / Mill user, never learned what the BobArt module does. Thanks everybody.