Got Mill Alignment Problems?
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- Опубліковано 20 бер 2020
- This episode on Blondihacks, I talk about sources of error in a milling machine! Exclusive videos, drawings, models & plans available on Patreon!
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Hey everyone. I’m going to explain this further here, since it’s a VERY common comment that I’m distorting the part with the vise. That is not the case, but perhaps that section of the video isn’t sufficiently clear. This is 3/8” wall extrusion and I’m clamping it lightly for these tests. It is NOT distorting the part. Near the end I check for that by putting the DTI on the top, above the wall of the extrusion. It moves 15 thou. That’s a huge amount, and not in the middle where distortion would show. The part is moving, not distorting. It is ROLLING upwards on the round bar, which is why removing that eliminates the problem. I hope that clears it up.
My new favorite thriller genre: Investigative Machining
Isnt machine geometry fun? :D
Watching you debug this problem is such a fantastic way to instruct folks on the process of machining!
Quinn - what a great video. You have a special knack for concisely explaining nuanced technical information, while moving at a good pace, and keeping it fun!
This might be one of my favorite episodes, some excellent detective work there for a head scratcher I'm sure most of us will eventually come across. Thanks as always !!
This investigative and deterministic approach will save a lot of people a headache.
Love your channel, I hate it when my Cutter gets catty Wompus, but doesn’t everyone, thankful there’s a woman’s presence in the machining world, wish there were more. Grace and Peace!
That was extremely interesting. Didn't see it coming. Well done for the methodical approach to fault finding that issue. That is another of your videos that I will be using as reference material in the future.
I so much appreciate when you admit a mistake and talk through it, like having to tram a second time. Many others would be creative in post and wouldn't share details, acting like they did it perfect the first time. A very conclusive video in a couple aspects!
As a novice to all of this, I am grateful for your in-depth yet very clear explanations... :)
Well, that's all cleared up. Just need a mill now..
This is a great video! You lay out all the parameters in an understandable, implementable manner. Thanks.
I am not a machinist. I do not have a mill or a metal lathe. I do have a small hobby cnc and a wood lathe. I really enjoy your problem solving technique. You have spent alot of time explaining the nomenclature and your reasoning with words and diagrams. Thank you so much.
I wish there were more people like you in the industry!
I've got 99 problems - and this absolutely is one!
Crikey Quinn, my head just about exploded with that one. So many variables, talk about an ice cream headache.
Regarding shimming the column, Stefan Gotteswinter has a great video where he shims it with annealed copper and fills the gap with a metal-filled epoxy material.
With the 2" cutter... loosen the bolts bring the tool to touch the bed or ground flat stock. Slowly tighten all the bolts. I promise it works. The simplest way. I do it almost every week after tilting the turret on a Bridgeport. Excellent video.
Well, that was fun. Probably not for you but for us. It doesn't take much to crush small cross sections with the mechanical advantage of a vice. When you are working to thousandths, everything makes a difference. Tracking down this sort of problem is like looking for a needle in a haystack and first you must find the correct haystack. Well done.