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    rs232 transfer box for cnc machine

    dnc titan box this thing is pretty bad ass. a buddy of mine bought one and asked me to set it all up for him. figured it would be a slam dunk. it wasnt. got pretty fustrated with it thinking it was junk. I put it on the citizen with the t10 control, as my laptop sends and receives the programs...
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    Pull studs broke yet again

    running the vf2ss today and heard a weird sound. then a really bad sound at 3500RPMS. Broke a f'n pull stud AGAIN 4th one since 2009, 4th one this year. and every single one looked like this. Rust in 70% of the surface area. Luckly all of them were on drills and I hadnt replaced the mill...
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    feeding super small brass stk

    Have a question. I have a job that requires us to feed .0255 brass stock on the citizen f10. collet we can get from hardinge, bushing a no go, its an engineering special. (they only go down to .030 dia. on bushing) I have cut 1/32 and 1/16 but always stainless. we had to make a long tube to...
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    Miyano knc 45 with Frenic 5000v2 spindle drive issue

    this is a very early Fanuc ot A control like 88 or 85(I forgot) anyhow I am getting a starting Failure led alarm. about 2 years ago we had this issue come and go, talked to someone at frenic and they said that is usually the cable he explained which cable but I couldnt find it and it has been...
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    milling 304ss interesting observation

    so had this job come in hot like super hot, the material was 2 times the size of the finished part easy. basically is a 1" square block 1.5 inches long. with 2 db25 type cut outs .950 deep. 90º apart. figured it would take a ton of endmills cause they were small 7/32 ie .218 .finish with a...
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    Tapping issues on the hass last week.

    for the last 2+ years we had some issues here and there rigid tapping on the hass. anywhere from 2-56 to 4-40 in alum. basically it was a hit and miss we would be running a job everything was great then 2-3 holes would allow a no go gage. we do thousands of holes , one job gets 18 holes per...
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    Deburring brushs

    Has anyone tried these on Alum? do they work pretty good? https://www.xebec-tech.com/en/products_category/brush/ I have a few parts they could be used one but one part in particular. we have to sand out the top side then hit it with scotch bright as its a panel and has to have absoluetly no...
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    older citizen f12 with a t10 control

    I hadnt run this machine in over a year and I had put brand new spindle bearings in it for the revolving bushing head, have a small tubing 1/8" .020 was 304 ss job to run. with .005 45º beaks + or - .003 on all ids and od's Of course I didnt have a carbide guide bushing nor a collet so ordered...
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    Angle plates or 4th axis block

    Occasionally I need to hold a 12-14 inch part to do end work. this is my set-up on the 4th axis then I bold a fixture plate to the square cube fixture plate I made years ago for other things. its getting to be a down right pain in the butt time wise. I got 2 hours into setting the 4th axis up...
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    what cause's coining aka dwell marks?

    I have one machine that has gotten pretty bad over the last 1.5 weeks. every time it changes directions it leaves a coin/dwell mark. what causes this. I was thinking it was thrust bearings, a tech mentioned drawbar issues. this part is roughed leaving .008 for a finish pass, the part pictured...
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    Hass Maintenance Thrust bearings

    2008 vf2ss anyone change thrust bearings yet? anything special I should know about? then the spindle motor to spindle rubber drive connector. Same question anyone done this yet? I heard these go out alot. do I need to get anything else or just the connector? I been lucky and haven't had a...
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    Tumbling help.

    I didnt know where to put this so move it if need be. We been using a mr deburr 300 tumbler everyday for 3-4 years now and having some issues with finish on certain parts. I use this media GTC1660 1/2 x 9/16 Synthetic Cone, SX Formula and vt soap forget the exact name. This particular part...
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    speeding up endmills on alum

    we all know we can hog the crap out of alum pretty fast. but with flimsy super thin Narrow and long parts holding in a clamp fixture, how fast can you go with out warping and tweeking the part. for example part is 2.250 wide 12.750 long .500 tall. needs to have the floor .050 thick. the 2...
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    Locating on Datums

    Example Datum -A- is X Datum -B- is Y Datum -C- is Z I pretty much always locate on the Datum the Dims are called out, unless its physically impossible or a general pain in the butt.. so we had this alum job 2 years ago that was a nightmare had 7 ops . 3 of those ops was kinda a pain to...
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    4 Axis fixturing

    G coders thread on another forum which hopefully he will post here. had a attachment with a side lock and some fingers. I liked it. So maybe we can put some 4th axis ideas on here to share, Including g-coders. I'll start heres one That I did for a bunch of parts(over 180pcs) that we may get...
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    Practical Fixturing

    I'm a fixture nut only because I have to use them in order to make most of our parts. so they fascinate me kinda. Yeah I lead a boring life. There are many ways to skin a cat so to speak. Unfortunately most of the fixtures we do now I can't share cause there for DOD parts. can Share some of the...
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