Haimer 3D Sensor vs Wiggler (Edge Finder) -
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- Опубликовано: 27 июл 2024
- Comparison of the Haimer 3D Taster Touch Probe and a standard Edge finder. Is the Haimer really worth the money?
In my opinion, for general shop work or for the hobbyist, a wiggler gets you easily within 0.1mm, especially if you don't run around like an idiot like I did in this video! Any more than that or if you're on high volume work, the Haimer will take any uncertainty out of the job.
A further advantage is that for CNC work, the Haimer, when correctly set up, provides a datum for all the tools in your tool table. We typically set the Haimer as Tool 0 and set the datums from that.
It's been said in our workshop that if you can afford a CNC machine, then you can afford to pay a couple of hundred quid for a touch probe. Having used one, I wouldn't go back now.
One thing to check however is that with collet type tooling (rather than Clarke's Autolock tooling) is that the milling cutter hasn't been pushed up into the collet due to insufficient clamping force. If this does happen, then accurate setting of the Z is impossible!
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Equipment used on the FutureFab Channel:
* Europa 1000VS Mill (Bridgeport Style)
* Colchester Student 2500 Harrison Lathe
* Heidenhain TNC320 Controlled CNC Europa 5000VS 3 Axis Mill
* Fanuc Oi-TD controlled Harrison Alpha 4000XS CNC Lathe with 8 Station Turret
* Geared Head Drill Press
* Horizontal Bandsaw
* Gryphon Pedestal Grinder
* CTR Lasers Laser Cutter
* Makerbot 2X 3D Printer
* RepRap Prusa i3
* Mitutoyo Vickers Hardness Tester
* Hounsfeld Tensile Tester 
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Please note that a run out in the collet is going to affect your reading with the 3D Touch probe, where as the wiggler is going to compensate for that by always running true to the spindle regardless of run out. Watch this for an explanation: ruclips.net/video/bga7y4infIo/видео.html
Good point!
check out 1:40 of the video, by adjusting the heimer the ball will run true to the center. Of course that only holds true if you use it on the same machine and don't remove it from the tool holder, once you change anything in the setup you have to adjust the heimer again. At that point the only tolerance you will face is the repeatability of your toolholder.
how you know haimer acurate? what if they calibrate it wrong. can it be calibrate? wigler is allready pass centre line when it jumps
+Jari Sipilainen all good points. Any decent workshop calibrates and maintains their kit.
The Haimer 3D Sensor is 28 times more expensive than the Wiggler, NOT 3 times, as you stated at the beginning of this video!!
Theres something called a figure of speech something that isnt quite true but you get the meaning
Actually to get the best out of these Haimer 3D units they need to be zeroed to the spindle C/L and then left in the tool shank it was zeroed with. For an R8 spindle I just used a common 3/4" end mill holder. This tool is the only use I've ever found for that internal set screw R8 tapers have since the tool is indexed to the same position each time. For other spindle tapers I think I'd add an index mark to the spindles OD and on the tool shank where it can be easily seen so the tool is correctly indexed to the spindle each time it's used. A slightly worn taper might make that indexing a lot more important than for a brand new machine.
Yes dropping one would make for a very bad day. I don't believe there's anyone qualified to repair them other that the manufacturer.
Thanks for the vid
+Nacer Ziani Thanks Nacer! We're going to look at the effect of climb/conventional milling next week so stay tuned!
Are you involved in machining or do you just find this kind of thing interesting?
+FutureFab CNC & 3D Printing Thanks a lot , I 'll be waiting :)
+Nacer Ziani If you don't mind , I suggest more vids about feed and speed (not how to calculate) I mean feed and speed deo to your experience .
It's already been said but everytime a Haimer is fixed into a collet it needs to be adjusted or you can expect .001"-.002" runout. Also the Haimer's large dial needle needs to be adjusted to 0. None of my Haimer probes(I have two) dials have come as zeroed as they can be.
Thanks Shannon!
You still can't beat a cigarette paper and rotating cutter touch off. Costs only a few cents.
Only thing that annoys me with these 3D testers is the z obviously needs a height offset of the device itself taking into account. I have one to use on our mazaks and it means i have to have a tool number permanently assigned to the tester, so that when I use it to set Z. it calls up the right height offset. Its a pain caus the tester is not in the tool changer, so I have to empty the spindle, put the thing in then use MDI to tell the machine its got the tester in the spindle, all so it loads the right offset. It works very well, but its a big of a faff to get it in the machine and ready to work each time. X/Y is not a problem, you can just take any tool out and put the tester in (with mazak smooth, you can only use a machine position to base an offset from if you have a measured tool in the spindle). Its not as good as a proper probe, but it works. Used to use a wiggler, but this is easier.