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  1. #13
    Member Mecanix's Avatar
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    Default Re: Haas Rotary Castings

    You need to worry about clearances and tolerances of those moving components internally (gears, races/bearings, seals, shafts, sensors, etc). Compromising those casting structurally, torquing and hanging stuff on precision components' enclosures isn't the engineer's first choice, normally. So don't expect anyone (HAAS included) to give you a bright green light on that idea. However if there is really no other solution that comes to mind, by all means stab the thing and tap it to your liking (its yours).

    I feel ya about that vendor's need for selling NEW & Expensive thingy. Been there done that each and every-time I needed proprietary 'add-ons' for the bigger shop. A device with any-precision-anything is always +20k, and that extra and mandatory control license add-on to drive it is most likely +2k. Just never stops. Being at the mercy of those automation manufacturers isn't new, get used to it ;-)

    Have fun!



  2. #14
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    Default Re: Haas Rotary Castings

    Quote Originally Posted by Mecanix View Post
    You need to worry about clearances and tolerances of those moving components internally (gears, races/bearings, seals, shafts, sensors, etc). Compromising those casting structurally, torquing and hanging stuff on precision components' enclosures isn't the engineer's first choice, normally. So don't expect anyone (HAAS included) to give you a bright green light on that idea. However if there is really no other solution that comes to mind, by all means stab the thing and tap it to your liking (its yours).

    I feel ya about that vendor's need for selling NEW & Expensive thingy. Been there done that each and every-time I needed proprietary 'add-ons' for the bigger shop. A device with any-precision-anything is always +20k, and that extra and mandatory control license add-on to drive it is most likely +2k. Just never stops. Being at the mercy of those automation manufacturers isn't new, get used to it ;-)

    Have fun!
    I know you mean well, and have good intentions, so I thank you for the well wishes and warnings for those things inside needing consideration. Not my first rodeo, though, and we've been doing this for a fair time. Fair enough to say that I'm capable enough to make our own replacements, if I wished to. Thank you for the input. It really is appreciated.

    https://www.TheGearMaker.com
    http://Instagram.com/AmericanMachineAndGear





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    Default Re: Haas Rotary Castings

    Um... I haven't seen your planned setup, obviously, so forgive me if this is not helpful... but... have you considered clamping it in place instead of bolting to new holes? You would want to make sure you weren't flexing the casting with the clamping pressure, of course; and it's obviously not as compact as direct bolting... but... it might be an option???

    Alternatively... how about high strength, high rigidity adhesive, probably a steel or glass filled epoxy? If there is enough surface area, it might be strong & rigid enough for the application?



  4. #16
    Member Mecanix's Avatar
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    Default Re: Haas Rotary Castings

    Nice company and portfolio man, congrats. I know who to get in touch with for custom-made gears now. Thanks for the heads up.
    (automotive sector here, mfg for oem (co-own'ed machine floor). Also run and own a product line... personal, small qty, also automotive, which is ran from a home shop).

    Keep'ing busy. Tc!



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    Default Re: Haas Rotary Castings

    Quote Originally Posted by __Britt View Post
    Um... I haven't seen your planned setup, obviously, so forgive me if this is not helpful... but... have you considered clamping it in place instead of bolting to new holes? You would want to make sure you weren't flexing the casting with the clamping pressure, of course; and it's obviously not as compact as direct bolting... but... it might be an option???

    Alternatively... how about high strength, high rigidity adhesive, probably a steel or glass filled epoxy? If there is enough surface area, it might be strong & rigid enough for the application?
    __Britt, thanks. Sadly, no. Needs be steel, and we'll likely be using Cast Iron, as well. Worth the money, time, and effort.

    This is the end game -









  6. #18
    Member Mecanix's Avatar
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    Default Re: Haas Rotary Castings

    Don't forget the post processor's logic before putting this together i.e. ensure both your control and cam will be able to deal with vectors/transformation/tooltip/etc before investing money & time in this.

    G'luck. Keep us updated on the progress.



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    Default

    wow! that looks great guys!



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    Default Re: Haas Rotary Castings

    Quote Originally Posted by Mecanix View Post
    Don't forget the post processor's logic before putting this together i.e. ensure both your control and cam will be able to deal with vectors/transformation/tooltip/etc before investing money & time in this.
    Not a concern. Thank you. From one of my previous responses in this thread -

    Quote Originally Posted by Zahnrad Kopf View Post
    For the record - I've already done this with the 5C indexer. ( years ago, already ) I'm simply wanting to have a larger, more rigid platform for an upcoming job.





    Quote Originally Posted by Mecanix View Post
    Nice company and portfolio man, congrats. I know who to get in touch with for custom-made gears now. Thanks for the heads up.
    (automotive sector here, mfg for oem (co-own'ed machine floor). Also run and own a product line... personal, small qty, also automotive, which is ran from a home shop).
    Keep'ing busy. Tc!
    Thanks. Didn't mean for that to convey as an advert. Just illustrating that the concerns were of little import, for us. One of our most recent accomplishments that I am VERY proud of is the ability to make our own gear cutting tooling. This was spurred by the excessive costs and lead times associated with Gear Shaper Cutters and just another example of everyone warning that we "... can't do that." What's really beautiful about it is not only being able to manufacture our own tooling for ANY type of Pitch and Pressure Angle desired ( including Asymmetrical Tooth Forms ), but also bone stock, standard tooling as well. This means that when another shop has to pay large dollars and wait 12 - 16 weeks for a STANDARD cutter, we have the ability to make the tooling in one single day and at a reduced cost, making us not only more nimble, but also more economical.

    ... but it's not possible...



  9. #21
    Member Mecanix's Avatar
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    Default Re: Haas Rotary Castings

    Quote Originally Posted by Zahnrad Kopf View Post
    Thanks. Didn't mean for that to convey as an advert. Just illustrating that the concerns were of little import, for us. One of our most recent accomplishments that I am VERY proud of is the ability to make our own gear cutting tooling.
    I (we) haven't received this as a attempt to advertise and I did understood the point you were making i.e. "where you are coming from, and not being your first rodeo". I also meant what I said when I've mentioned that I am regularly on the look-up for gears, having sent quite a few drawings to several mfg in the past and likely to do it again. Both to our N.A. and Asian continents. Out of curiosity, what is your tolerance/grade capabilities? I think my real question is more what DIN (or other standard(s)) are you manufacturing for.

    Glad to hear you know what you are doing and all set to get your tilt project going! Warned on the PP because someone I know built his 5ax with a custom/odd swivel base... took quite a lot of code and logic to get that tooltip to translate, dpm & frn feedrates, etc. He was happy at the end but not so much on the cost of that PP dev



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    Default Re: Haas Rotary Castings

    Quote Originally Posted by Mecanix View Post
    Out of curiosity, what is your tolerance/grade capabilities? I think my real question is more what DIN (or other standard(s)) are you manufacturing for.
    That's really dependent upon type and process. Having said that, we are can make Master Gears ( and have ) and are AGMA 10 routinely capable. 99% of the time most people do not actually require that, though. We do a fair amount of DOD work and I would have to imagine that a fair amount of those are in vehicles. We also do some repeating work from Toyota and Mitsubishi. The rest is Industrial and Surgical, with regard to gears. The regular machining is another story altogether.



  11. #23
    Member Mecanix's Avatar
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    Default Re: Haas Rotary Castings

    I'll send you a pair of spur drawing with a DIN3972 profile during late autumn, we'll pay for the sample ;-) Need to see your work!

    Thanks for the info and contact.



  12. #24
    Member Jim Dawson's Avatar
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    Default Re: Haas Rotary Castings

    I guess I would just disassemble the RT and look to see if what you want to do would work. It seems that you have the skills to do what you want to accomplish. As far as leaking oil, thread sealers are available to prevent that.

    Jim Dawson
    Sandy, Oregon, USA


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