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MY BTC-1 parts machine is now for sale in the classifieds if any of you gent's are interested.

i have had my fill of this machine :(

im still having problems with my BTC.

i cannot get it past the red limit light right now. when i air it up and push the red button. the z axis will retract about a half inch and then the light...

Ok i had a chance to play with the machine.

i replaced the blown fuse and it did not reopen, the old one was more melted at one end and the center fuse ribbon was'nt separated.

i got past the...

buller? buller?

anyone :):):)

ok guys i did a quick once over on the machine tonight, fuse #20 in the control cabinet is blown and the center of the fuse retainer ohms out to ground. looking at the wireing the side thats labled...

Kevin i figured it might be a solinoide issue for the tool changer/ spindle i refilled the air oiler, tonight i will air it up and start pushing plungers.

i have no idea whats up with the control...

Ok ever since i moved locations My BTC1 has'nt run 100%.

i took the head off of it to clear my garage door, the only wiring that was touched was the 3 phase wireing, the front controls and various...

john p i should clarify when i say changes tools manually.

i am not talking about using the changer. i activate the draw bar grab the tool and pop a new one in.

in only tried the change command...

cartesian-xyz

thanks for the info that helps alot, at least now i know what it does and where the wires go. i can use my fluke to Ohm out the wires from the boards and then match them up to the...

kevin, my machine changed tools 100% correctly before i took the head off.

absolutely nothing was touched in the changer assembly when i dissasembled the mill.

the only thing i took off was the...

Well i FINNALLY got the BTC-1 back togeather, well somewhat

its been apart for about 2 months and i had to completely remove the head assembly from the chassis to get it under the garage door in...

thanks RC that helps alot,

if i can get it close i have no qualms about notching the garage door opening a little as long as its not too big of a notch.

as far as the side door addition go's,...

im in need of some assistance guys,

im moving soon and i obivously need to move the BTC. when i got it i had to have the movers tip it about 45deg to get it into the garage with the garage door...

ok so based on what your saying i can set up a rotary indexer and maintain all three axis movement. but it will not be a true fourth axis, where i can rotate the indexer while moveing the x y or z...

i have a manual rotary table, is there any way i can retro fit it to put a stepper and servo on it ????

maby if i get a servo and stepper from another BTC1 and make an adapter ???? that way the...

i was reading through one of my manuals and i noticed that there was an option for this machine to add a rotary axis to it, i guess you plug it into the Y axis servo and encoder connectors???
...

sadly i have been rushing to finish a project for a recent show which i just got back from today, so i havent had time to really get into it.

im fairley confident that i could get measuerments as...

never got your email kevin, i have always had bad experiences when useing forum emails i always PM or go direct to the email address from my email provider.

nice find on the BTC's let me know if...

i think he was useing 5 deg. as a example to set up and do this on a non CNC sinker the part that makes this messed up is that the flutes cannot extnd all the way out to the breech face.

im...

you hit the nail on the head, im having a batch of .308 HK PSG-1 / MSG90
barrels made (quite a few actually) most of the other manuf. like JLD broach cut the flutes in. i want them as close to...

rwkjr, yes it extends into the necked down part a little if you look closely at the pic i posted in my first post you can see it a little thats one of the units im copying that i cut up to see...

thankfully the correct G03 command fixed it, i hate when i overlook stuff like this. i cannot get master cam to post 100% im useing a converted boss 9 post so it gets me very close but i still have...

well i feel stupid as a box of rocks :):):)

i guess it pays to read your code when your not tired and frustrated

look at lines N107 and N109 i think im missing something there Huh :):) like a...

ok first off while i love my BTC 1 these things have more programming quirks then an old apple newton palm pilot (less computing power too :) )

ok im trying to run a program that on the first -Z...

the fluting i require done is different to rifleing, the barrels are alredy rifled and chambers cut. these barrels are specific to the Heckler and Koch rifles in that they have 12 horizontal flutes...

first off im going to start out by stating i have NO experience with a sinker machine and how its tooling is made. but im in need of someones experience, we are trying to get a project completed...

im useing an old bridgeport BTC-1 verticle mill running bridgeport Boss 7.2.

i have mastercam, but ocasionally i like to prove to myself that i still know how to do this, and i useually get stuck...

alright my brain is melting right now and i cannot solve this problem im on.

i want to cut a 360deg circle around a part to a specific dia. in a clockwise direction and the way im coding it my...

every one here is always looking for more tool holders :):):) they come up on ebay from time to time.

worst case scenerio you could always make one :)

KEVIN YOU ARE THE MAN!!!!! thanks for all of your help your advice got it to work and cut correctly

thanks a million !