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Type: Posts; User: JDenyer232

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  1. Replies
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    Metalmatic, Congrats on getting this far in...

    Metalmatic,

    Congrats on getting this far in the course. I highly recommend getting the book CNC Programming Techniques by Peter Smid. This should be available at Borders or an online book...
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    553

    Just a quick bump and a progress report on this...

    Just a quick bump and a progress report on this issue. I used the recommended speeds and feeds out of the book for this material and turning it was fine. I did run into a major issue with chattering...
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    Try McMasterCarr, they have quite an assortment...

    Try McMasterCarr, they have quite an assortment of materials. If you need bulk they are a little on the expensive side. We use them as I can get what I need the next day, for me getting my stock...
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    Invar turning

    I have a project coming up that is going to require me to turn 1/4-28 invar screws from bar stock. Any ideas on feed and speed, I was thinking 130SFM at .002-.003" per rev. Any tips on threading, I...
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    Awesome, thanks for the idea, I will be running a...

    Awesome, thanks for the idea, I will be running a few of these next week and I already have a new set of jaws to try this out with. This site is great, everyone here is so willing to share ideas to...
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    Tobyaxis, Thank you so much for the idea, I...

    Tobyaxis,

    Thank you so much for the idea, I hadn't even thought of that. I assume you mean I should mill the back side of the jaws towards the pointed end away from the serrations, then drill a...
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    Thanks to all that have replied, I would use...

    Thanks to all that have replied, I would use 1/16" rod but here's the problem, we only have a 3 jaw chuck and the owner doesn't want to invest in a collet chuck just for R&D purposes. If this does...
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    2,222

    Turning dilema

    Ok heres the situation. We have an sl-10 lathe, and they want me to turn a part that is 0.060" in diameter and 0.800" in length. Obviously this part is to small to use a live center on, and it tapers...
  9. Replies
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    1,722

    When I first started doing this I got thrown into...

    When I first started doing this I got thrown into it. My company wanted to add cnc milling and turning capabilities for fast turnaround times and reduced costs. They told me to pick the machines I...
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    1,722

    Well I can tell you as a machine shop supervisor,...

    Well I can tell you as a machine shop supervisor, what it is that I look for in a new hire. The applicant must be familiar with most popular controls in shops today, ie Fanuc, Haas, and Mazak. Must...
  11. Replies
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    When these guys are saying 10% or 30% they are...

    When these guys are saying 10% or 30% they are talking total % concentration, not the refractometer reading. For my coolant a 5.6% brix refractometer reading equals a 20% coolant concentration. Your...
  12. I agree, and I might add run away from this job...

    I agree, and I might add run away from this job fast. Sounds like they want to give you a carbide blank and you grind your own tool? That's just silly, inserts are cheap enough compared to labor...
  13. Replies
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    2,435

    No, the control will not allow this. This just...

    No, the control will not allow this. This just sounds very scary to me. Read the warnings in your owners manual, things like workpiece entaglement, and or workpiece discharge come to mind. If spindle...
  14. Replies
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    2,136

    G00 and G01 are modal on the Haas as well, It's...

    G00 and G01 are modal on the Haas as well, It's just the way I write my programs, I only got 3 days training on a VMC and then they turned me loose on both the lathe and VMC. I just add the extra...
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    Well what is the thread length, here is an...

    Well what is the thread length, here is an example of a G76 threading program with a thread length of 1", you will need to ajust this to match your thread length requirments. Also I asume this is OD...
  16. Replies
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    Use their logic against them. It's really simple,...

    Use their logic against them. It's really simple, cost of safety glasses $10.00, cost for eye injury and or lawsuit and lost productivity $1000's. Eye injuries can happen with enclosures, I have seen...
  17. Most garages use special turning equipment that...

    Most garages use special turning equipment that allows the discs to be turned on the vehicle, gives better runout. Drums are done on a drum lathe. It used to be that drums and rotors were very...
  18. Look in your Haas work book and owners manual, it...

    Look in your Haas work book and owners manual, it will have the info you are looking for. If you don't have these manuals then post back and we will see if we can help.
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    We use the Octomill for roughing passes and it...

    We use the Octomill for roughing passes and it leaves a decent finish even when used on it's own, we usually follow up with a single point flycutter for thin parts that require a mirror like finish.
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    We do this type of facing all the time. We use a...

    We do this type of facing all the time. We use a 2" diameter single point flycutter at 3000rpm and 10ipm, .010" depth of cut, flood coolant is on. This is on a finish pass where I want a mirror like...
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    We use the IPS for all our programming needs,...

    We use the IPS for all our programming needs, most of our parts are pretty simple, stuff like profiles, facing, threading, drill and tapping. Once I have the print I can bang the program out in under...
  22. Donkey Hotey, That is a sweet looking vise, at...

    Donkey Hotey, That is a sweet looking vise, at the time I ordered the D675 I was not aware that this one was around. Great you just had to post a picture of this thing, now I want one:D I really like...
  23. 10k should be plenty for tooling, I would...

    10k should be plenty for tooling, I would recommend a good basic vise, a kurt D675 is a good standard vise, get some aluminum bar to machine your own softjaws, this will be a must for machining...
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    For thread cutting we use on edge threading...

    For thread cutting we use on edge threading inserts as they have a very tiny radius, it sounds like you are trying to use a turning insert for threading purposes. I use the on edge system for various...
  25. Congratulations, I think your really gonna like...

    Congratulations, I think your really gonna like that machine. If you have any tooling or programming and setup questions, you know where to post em. Good luck and happy chip making:)
  26. Replies
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    I agree, I taught myself G-code and setup from...

    I agree, I taught myself G-code and setup from Peter Smid's books, they are very easy to understand and put into practical use.
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    No problem, glad to help. I would suggest getting...

    No problem, glad to help. I would suggest getting some books on cnc lathe programming, while the canned cycles are easy to use you will need the definitions of the variables in the cycle. The Hass...
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    There is nothing wrong with the long version,...

    There is nothing wrong with the long version, after all the software is writing it, not you. If you have a cam package then by all means let it do the work for you. I thought the work book combined...
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    Glad to help, and yes do let us know how it turns...

    Glad to help, and yes do let us know how it turns out.
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    I run both the Haas and Fanuc controls, and to be...

    I run both the Haas and Fanuc controls, and to be honest I prefer the Haas. On the Haas I don't have to scroll through softkey menus to get where I wan't. Fanuc conversational is ok for simple...
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