How to Avoid Slotting in Fusion 360! FF92

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NYC CNC

NYC CNC

Күн бұрын

Пікірлер: 98
@innovativecnc3928
@innovativecnc3928 7 жыл бұрын
Hi John, I've been using the adaptive tool path to profile my parts since you introduced Fusion 360 on your channel (you turned me on to Fusion, thanks :). You DON'T need to create an offset of the stock, just select the profile chain at the base of the model and in the box labeled "offset" just under where you select your geometry, enter the desired value of offset and it should generate the chain your looking for. Hope it helps, James-
@dollars1234
@dollars1234 7 жыл бұрын
Dude, you just made my day. My machine isn't the most rigid of machines. So, when I'm forced to slot, I have to use .1 to .2 mm step downs. Never even considered using an offset. This will save me a TON of time. Thank you this.
@AaronCook83
@AaronCook83 7 жыл бұрын
I love how many people come onto a channel where someone is teaching for free, and tell him to learn something. YOU teach it!
@jimlake5404
@jimlake5404 7 жыл бұрын
John, Keep doing these Fusion 360 videos. You are the only guy around that digs into the CAM details of Fusion. Regarding slotting, I do prototyping, and I face this problem all the time. I am always looking for new ways to deal with it, and that's what you are presenting.
@bcbloc02
@bcbloc02 7 жыл бұрын
In my experience the inserted end mills really shine at slotting. You could do a roughing pass then tool change to a single sided finish. The way you did it is certainly a valid alternative.
@mikemattera6724
@mikemattera6724 7 жыл бұрын
You can still use the Helix entry. Just change the Min Radius to .06-.09. This is the radius to the center of the tool, not to the outside. So if you slot is larger than Dia + Stock+.09, it should work.
@Mhornfeck72205
@Mhornfeck72205 7 жыл бұрын
I can't cut slots in aluminum on my light duty cnc router but doing these trichoidal adaptive toolpaths is entirely usable, and with full depth of cut too in up to 1/2" plate! Getting much better tool usage using cam strategies like this.
@dav1dh0ff
@dav1dh0ff 7 жыл бұрын
John - lists the problems with slotting.. "It's really a pretty downward spiral." Me - "I though a helical ramp was a downward spiral... Get it?" Nice video. Keep it up!
@shelltech83
@shelltech83 7 жыл бұрын
Thank you so much! Perfect timing! I'm running a small cnc router and have been really stuggling slotting out parts in copper. I've tried to constrain the adaptive but the stock contour control saved me. Now I'll hopefully be able to finish out some parts before a big trade show at the end of the month!
@AlexanderGee
@AlexanderGee 7 жыл бұрын
Howdy! You don't have to create that extra sketch element for the offset you can just use the "Machining Boundary" in "Silhouette" mode, then specify a positive "Additional Offset" and put the "Tool Containment" on "Tool Outside Boundary". That way it's all in the CAM no touching your CAD. I consider this tip payback for you teaching me literally everything else I know about Fusion 360 :P
@williamwill6905
@williamwill6905 7 жыл бұрын
Doing those offsets can be a pain with some geometries so I'm interested in your method. I didn't see any "machining boundry", etc. in the 2D adaptive, can you go into a little more detail as to what you're doing?
@AlexanderGee
@AlexanderGee 7 жыл бұрын
I was looking at 3D adaptive I'll check 2D and fire you a screenshot. EDIT: Turns out it's only available on 3D Adaptive.
@thomashenderson3901
@thomashenderson3901 3 жыл бұрын
Yeah, I hear you but it's not always as straightforward as that. Sketches or patches are far more reliable and easy to generate.
@StefanGotteswinter
@StefanGotteswinter 7 жыл бұрын
Please dont poopoo slotting so much. With the right tooling and proper speed/feed it works a treat and can be way faster than adaptive. For example using a bullnose endmill, DOC>=corner radius of the tool, increased feed. Preferable you can run the whole contour in a spiral down to final depth. I ran literaly hundreds and hundreds of parts that way on different machines in all kind of materials, from soft gummy copper to toolsteel. Adaptive slotting is a terrible way to treat the machine.
@tomhutchins1046
@tomhutchins1046 7 жыл бұрын
I was thinking the same thing all those spirals the ball screws are reversing and reversing 1000's of times just to cut a slot. the ways are rubbing in a spiral motion. You couldn't have a better way to try to break through the oil film. Constant Ramping down has its own negs your cutting with the rear lower face of the cutter center cutting cutters tend to do better but its still hard on them. I manufacture alot of parts using a similar shape I call it cookie cutting. I either limit the ramp to a short area of the toolpath (cut horizontal 5" then ramp 1.5 for example . Or just do a slow plunge in one spot or off the part at least on a side were the tool is only partially engaged. Flood cooling with the proper coolant tends to eliminate the need for adaptive spiral programs in many cases.
@arthurschroeder8230
@arthurschroeder8230 7 жыл бұрын
Just out of curiosity, the last example using trace, why not use contour for that? Seems like that might be easier to get working how you want it. Is there an advantage to using trace?
@tsw199756
@tsw199756 7 жыл бұрын
Think about this. How many extra moves does your machine make to cut the part out like this vs. just slotting and leaving stock with a large end mill and going back to finish with one that is at or just under the smallest internal radii of the part. I'll bet it is several hundred percent more moves required from your machine. Multiply that by doing this over and over week after week year after year. Get the picture? Premature machine and cutting tool wear. I would rather put $$$ in my pocket than the machine tool/Cutting tool vendors pocket. Slotting this part is #1 easy to do, #2 faster, #3 more efficient utilization of your assets. Just my opinion but I don't work by the hour so the time and money I save is my own.
@jp8479
@jp8479 6 жыл бұрын
There is a large percentage of CNC router owners with machines such as the Shapeoko for Hobby purposes. These machines are not rigid enough to slot alum as say a Tormach but are capable of getting the job done with strategies like the one shown in the video. This video might not be of value for the experience machinist with rigid cncs but extremely helpful to hobbyist.
@CatNolara
@CatNolara 7 жыл бұрын
Nice to know, I really liked the spiral slotting in CamBam, now I know how to use it in Fusion 360 :) Also, I liked the triangular tabs more, because the tool isn't plunging directly down this way but has a slope.
@donzmilky5961
@donzmilky5961 7 жыл бұрын
One of the best tutorials yet. Thanks John.
@kevlar_87
@kevlar_87 7 жыл бұрын
I didn't know about that check box for adding holding tabs to the model. Thanks for that tip john, I always had to add them manually. Fusion is great! :)
@MorganOliff
@MorganOliff 7 жыл бұрын
Kev Lar Hey do check out the option for Triangular tabs within the tabs option, I have started using those over rectangular tabs because it allows your cutter to avoid plunging after lifting to make the tab.
@kevlar_87
@kevlar_87 7 жыл бұрын
Morgan Oliff I will definitely try that. Thanks for the tip!
@KenToonz
@KenToonz 7 жыл бұрын
Wow, you jam packed a ton of great tips into this one! AND, you finally switched from that unwatchable simulation on mirror stock to something (wall paint) that we can actually see. Kudos!!!!!
@zedex1226
@zedex1226 7 жыл бұрын
Ramp and helix by ANGLE. your tool manufacturing has the spec on that relief. 3° is a good default for EMs.
@TheRealFrankWizza
@TheRealFrankWizza 7 жыл бұрын
You can use the additional offset feature of adaptive clearing to add the offset without doing it in cad.
@mikepickell8792
@mikepickell8792 7 жыл бұрын
John, Thank You, You aid many people understand 360. I have not seen anyone saying rough profile of a band saw.
@iulianmoga9410
@iulianmoga9410 6 жыл бұрын
Hi ! Amazing work . At min 10:25 how You "duplicate "this operation ?(Ctrl+C , or how ? ) Thanks !
@routercnc9517
@routercnc9517 7 жыл бұрын
Great video John. I have a DIY CNC machine and slotting aluminium can be tricky. If welds up it usually snaps the cutter. Good tips there.
@MrBastor87
@MrBastor87 7 жыл бұрын
Why always with the adaptive tool paths? I understand that everyone wont have this option but why not just use a 2d contour with a finishing allowance and a facemill big enough to cut the excess material in one or two cuts. Or roughing process with a step over path generation.
@mortcs
@mortcs 7 жыл бұрын
When ramping into a slot with a roughing cutter, would you recommend using a roughing cutter with a slightly larger diameter than your finishing cutter to aid in chip evacuation of long chips?
@GENcELL2014
@GENcELL2014 7 жыл бұрын
Instead of using break than delete to get rid extra lines, use trim! It does both operations at the same time, doesn't work on projected lines.
@bluedeath996
@bluedeath996 7 жыл бұрын
Surprised after your previous video you didn't do one with a drill pattern as well.
@rickcperry
@rickcperry 7 жыл бұрын
When you created the sketch for the 2D path, could you have selected the bottom of the part for the sketch face? Would that have done the offset on the bottom and corrected the issue?
@georgeioakimedes509
@georgeioakimedes509 7 жыл бұрын
On your last tip using the trace tool path why not go into heights and for bottom choose stock bottom. That way you don't have to remember a variable, it's been working for me.
@bostondan77
@bostondan77 7 жыл бұрын
Thank you for the video. I have a hard time slotting aluminum in my small home cnc. Gives me other options to explore. Thank you
@skippyman22
@skippyman22 7 жыл бұрын
Is there a way to get tabs using the first technique of the hsm toolpath and 2D Adaptive?
@Garganzuul
@Garganzuul 7 жыл бұрын
How long would drilling the shape out and then slotting take compared to these options?
@circuitdotlt
@circuitdotlt 7 жыл бұрын
So what's the difference in time, slot vs. adaptive, if tool load is optimal on both?
@jaypierson5955
@jaypierson5955 7 жыл бұрын
@nyccnc John, is there a list somewhere of those parameters like stockZlow at 14:17?
@rlockwood2
@rlockwood2 7 жыл бұрын
Of course- sent on Instagram
@captainmcderpyderp
@captainmcderpyderp 7 жыл бұрын
For everyone else: knowledge.autodesk.com/support/fusion-360/learn-explore/caas/sfdcarticles/sfdcarticles/CAM-Expression-Variables-in-Fusion-360.html
@ScottMoyse
@ScottMoyse 7 жыл бұрын
rob lockwood have you published a knowledge base article with that fancy pants table of yours? I think you just posted it in the forum?
@ScottMoyse
@ScottMoyse 7 жыл бұрын
Jay Pierson it's a neat parameter to know. But an easier way with trace is to use the heights to force the toolpath down.
@rlockwood2
@rlockwood2 7 жыл бұрын
agreed, I was pretty confused through that last method :)
@rflopes3
@rflopes3 7 жыл бұрын
I Think it will take hours to cut on a tormach size machine ! Or am I wrong ?
@Audio_Simon
@Audio_Simon 3 жыл бұрын
I've read never to use a 4 flute end mill in aluminium, why is that? (CNCCookBook) Most of the rougher mills I see for cheap are 4 flute.
@swamihuman9395
@swamihuman9395 6 жыл бұрын
Thx, John. Great stuff (as always). Lovin' F360 CAM!
@samboles8796
@samboles8796 7 жыл бұрын
More cool toolpaths to play with, thanks Johnny!
@ryanweber2999
@ryanweber2999 7 жыл бұрын
Great video. I recently did a steel project with tabs. Unnoticed by me the tool path created resulted in a plunge​ cut on the backside of the tabs, this broke the tip of my bit and gave my tormach a good shake. Has anyone else had this problem? Is there a ways to prevent the plung cut on tail end of tab?
@yadokingau
@yadokingau 7 жыл бұрын
I'd also like to know this one. The only way I've found is to actually model the tabs into the part. It would be nice to be able to choose something like a zig-zag ramp into the parts between the tabs.
@MrDaniell1234
@MrDaniell1234 7 жыл бұрын
triangular tabs
@MorganOliff
@MorganOliff 7 жыл бұрын
daniel lyall Yes! Triangle tabs are a real tool saver!
@MrDaniell1234
@MrDaniell1234 7 жыл бұрын
It's funny when machinist start doing standard Router stuff they into all sorts of trouble tabs is just one
@skippyman22
@skippyman22 7 жыл бұрын
Some great tips. I learned a lot!
@MrBrettStar
@MrBrettStar 2 жыл бұрын
I just tried this method but unfortunately it took double as long as a conservative slot, I believe it's because I only have the free fusion which does not include rapids therefore if you have free version this may not be the best method.
@JaakkoF
@JaakkoF 7 жыл бұрын
The reason why Fusion makes those straight cuts in two places is because you have less stock to remove there, so it is not slotting unnecessarily as it takes a lot of time. Fusion notices that the backside has long run of less material on the stock and air outside, so it changes to a couple of 'linear' moves. Switching to forced trochoidal isn't that wise, as it ups the machine time considerably.
@billyoz
@billyoz 7 жыл бұрын
Tabs! You just made my day.
@Hendreh1
@Hendreh1 2 жыл бұрын
Thank you for the Video
@andrewwaters2354
@andrewwaters2354 7 жыл бұрын
What about all the wasted material?big shops might not care but I'd use those offcuts.everyone to their own but slotting is simpler and a lot less wear on the machine, there is nothing wrong with slotting if you're careful
@GregsGarage
@GregsGarage 7 жыл бұрын
Master level tips. Thanks again John.
@timmallard5360
@timmallard5360 7 жыл бұрын
Great video showing a bunch of potential solutions. Id love for the nay sayers to post their own instructional video. Theres alway more than one way to skin a cat
@philipgooch676
@philipgooch676 7 жыл бұрын
Ignore the haters John, I agree with you on slotting 100%. Glad to see this video, I was trying to do this myself but really didn't know the way to go about it.
@dannyaustin84
@dannyaustin84 3 жыл бұрын
hmmmm, Fusion just says empty tool path in the error log..
@tomhutchins1046
@tomhutchins1046 7 жыл бұрын
really cool swirly stuff?
@sleefox
@sleefox 7 жыл бұрын
What you really need is a water jet machine too rough out the park. More toys !!!!
@bluedeath996
@bluedeath996 7 жыл бұрын
Plasma would be fine. Waterjet is expensive to buy and expensive to run, they are only really good if you don't want to perform further processes.
@urgamecshk
@urgamecshk 7 жыл бұрын
Hyss plasma is hell on endmills. Not worth it
@HyzerGlen
@HyzerGlen 7 жыл бұрын
On a tormach there is no way this hsm style tool path is faster. Learn how to slot, it is not that hard. You make it sound like this is some impossible process.
@jodyolivent8481
@jodyolivent8481 7 жыл бұрын
I don't think it's about speed. I think it is more about reliability and tool life. It's all fun until you have a TTS Holder pull out while cutting.
@zedex1226
@zedex1226 7 жыл бұрын
Jody Olivent Bingo. The tormach doesn't have the hp or rigidity to reliably slot at any significant depth. HSM isn't the end all be all. It just happens to have more pro's than cons in most situations. That, in and of itself is another advantage too. You can dial in hsm and throw it at anything and it will work. This is huge for one offs and small runs. Rather than a traditional process which has to be tuned in on a case by case basis.
@gredangeo
@gredangeo 7 жыл бұрын
The TTS holder is such a weak concept that was only there for money. The machine would have more value if they were using the more standard BT30. Tormach doesn't use it that much. There's no power drawbar and toolchanger with it.
@bnecnc9786
@bnecnc9786 7 жыл бұрын
Slotting cuts are fine if you know what your doing. God u miss lead a lot of people. Maybe talk to some people with some flat bed routers that do that type of slotting cutting all day long.
@Mekhanic1
@Mekhanic1 7 жыл бұрын
NYCNC = *not a trained machinist. NYCNC's value to me is his knowledge of Fushion360
@CatNolara
@CatNolara 7 жыл бұрын
I think I fall into this category, too, so what is your receipt for good slotting?
@donzmilky5961
@donzmilky5961 7 жыл бұрын
Its easier to avoid than it is to match cutters to materials and geometries. Unless you're using a massive machine with stub end mills slotting will always lead to increased tool deflection and wear.
@jodyolivent8481
@jodyolivent8481 7 жыл бұрын
I checked your channel for your videos on how to slot. All I found were commercials for your business. How about sharing what works for you?
@MrDaniell1234
@MrDaniell1234 7 жыл бұрын
It's a standard router thing up to 26000 rpm helps a lot you need plenty of Hp as well with a 3 Hp spindle you can stick a 1/2 endmill in at 100% depth and 100 % width at 1250 mm/min on softer material like wood
@flubba86
@flubba86 7 жыл бұрын
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