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Machine both ends of a bar at the same time
I would use a horizontal mill with the part set up in V-blocks but you haven't said what equipment you have access to. You need to elaborate if you want relevant information.- Nagol
- Post #2
- Forum: CNC Machining
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Cutting tool for as-cast, Aluminum, dowel pin?
This sound's like you are way overthinking it. Drill a hole, use a reamer, press in a real dowel pin. Probably will decrease the cost of your casting removing that boss if you haven't had molds made yet. If the chamfer being that big is really mandatory then some mild or stainless pins could be...- Nagol
- Post #4
- Forum: CNC Machining
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Dovetail vice or miteebite?
Sounds like these guys haven't used Talon grip jaws. No prep, all the ease of any vise setup and I promise you won't lose a part holding on to 0.06-0.08. It's the way I would go for sure. Check out the versa grip for any irregular stuff you need to hold also, they work great on waterjet parts.- Nagol
- Post #6
- Forum: CNC Machining
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Cutting external dovetails in hardened steel, indexable vs solid carbide?
You may want to consider a custom grind from them. They have a nice tool builder on their website for submitting quotes. The Gorilla mill name hasn't been around super long but they just came up with that name for marketing purposes. The main grinding company that they are is Carbide Grinding...- Nagol
- Post #23
- Forum: CNC Machining
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Cutting external dovetails in hardened steel, indexable vs solid carbide?
https://gorillamill.com/products/picatinny-form-cutters/ Gorilla Mill has off the shelf tools for this application. I've used a bunch of their tools in the past and the performance is incredible. Try these guys out and I doubt you'll look for anything else.- Nagol
- Post #19
- Forum: CNC Machining
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Mazak vtc 200
The newer ones don't have an umbrella tool changer. It rides with the spindle and it only needs to go home in y to grab a tool. Machine can sneak behind the wall when home in Y to do a "pallet change". I've never seen one in person but I've had a fancy for one for quite a fey years. It's also... -
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mazatrol 640m pc-fusion
This type of post gets flamed all the time here. You have not given us enough information to even guess what the problem is. Do you have any alarms? I see it says 640M so it's a mill but people like to know what machine it is. Is it not showing up in the control or just won't run when you press... -
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Mazatrol Nexus - Tried running big EIA program. Buttons stopped working?!
Moving forward maybe split it up into more programs and just link them all together in a main. Good luck -
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Initial-z mazatrol
What you are looking for is a parameter to control if it returns to the R plane or the Initial plane. I have a manual here for Smooth Control but I think for this parameter it should be the same. The parameter is E104. For face machining units it is bit 1, For line units it is bit 2. You want...- Nagol
- Post #5
- Forum: CNC Machining
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What Am I Missing, Bench Vise Prices
https://fireballtool.com/products/forged-bench-vise?pr_prod_strat=use_description&pr_rec_id=98c105c78&pr_rec_pid=6806834479148&pr_ref_pid=6806865412140&pr_seq=uniform&variant=40138003939372 Just get Fireball's other vise. Friend of mine has one and the build quality is pretty nice. Maybe not as... -
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Mazak W soft limit.
I'm not familiar with the machine you are using personally but I would be very surprised if you had more than an inch between your soft and hard limit. Can you possibly make your main or sub jaws longer? a little of both? If you want to give it a try though maybe you could override the parameter... -
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Brother's conversational
Spent the last 5-1/2 years at a job shop that only uses Mazatrol. We have turret lathes with Milling and Y axis, a few verticals, two Horizontals and a Variaxis true 5 axis. We do all our programming on the floor. Almost all of our customer base cannot provide 3D models for their parts. Mostly...- Nagol
- Post #11
- Forum: CNC Machining
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Mazatrol Smooth AI vs CAM software
I haven't used the smooth AI programming but I have used the 3D assist that is just below it and something I feel needs clearly started is that it does not add functionality to conversational programming. It only streamlines the process. At the shop I worked at we were only conversational and I... -
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Holding 6 micron (2 tenths) hole tolerance
The part with the bolts through it is what I'm referring to- Nagol
- Post #85
- Forum: CNC Machining
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Holding 6 micron (2 tenths) hole tolerance
The customer surely doesn't need the tolerance they ask for but sometimes they are willing to pay for it. Such is definately the case for the parts I've been referring to. The 0.2494 +/- 0.0002 holes are for pess fit of 1/4" dowel pins and the parts hold razor blades for an industrial potato...- Nagol
- Post #84
- Forum: CNC Machining
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Holding 6 micron (2 tenths) hole tolerance
We use a Pioneer left hand spiral, right hand cut. Box on our reamer says 0.2494 +0.0000/-0.0001 so maybe they even have tighter tolerance than you've come across. To address the hardness since I didn't come out and say it previously and others have questioned. I'm referencing the soft job...- Nagol
- Post #78
- Forum: CNC Machining
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Holding 6 micron (2 tenths) hole tolerance
We deal with the same +/- 0.0001 on the reamer size and my experience is that they come out right on. We've used quite a few of them over the years and they will hold almost exact size for a very long time if you get the runout within reason. Sounds like most of the solutions you've had here are...- Nagol
- Post #64
- Forum: CNC Machining
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Holding 6 micron (2 tenths) hole tolerance
I have a job at my shop that we have ran thousands and thousands of parts with two 0.2494 +/- 0.0002 in annealed and stress relieved 303. We drill with a 0.236 carbide drill, then bore to .243-.246. then ream with a .2494 carbide reamer with a RH cut and LH twist. We inspect with Class ZZ pins...- Nagol
- Post #22
- Forum: CNC Machining
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Mazak Smooth Controller program transfer
We use Griffo at my shop but we don't have all the features. We mostly just use it to save programs on a computer that is backed up by a server. I got a chance to talk with someone at IMTS last year and it can do quite a lot. Well worth it if you are a Mazak shop. It can convert programs up and... -
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Solid Mazatrol programming
That is some really new stuff. I have used the 3D assist function which is that you can load models in while programming and pull shape data and stuff straight from the model but I'm not sure how advanced it is now. A guy at IMTS said it is writing programs now but I couldn't tell you how well...