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@Federico Ciammetti Is this file being overwritten because you do not have an incremental part number or timestamp in the filename?
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I don't want to doubt your experience in measurement, but could it be that Hexagon machine is giving you number per ASME ( two results ) and Calypso is giving you one result ( which is doubled the worst deviation )?
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Hi everyone, I am relatively new to Calypso and I cannot figure this out. I have spent hours looking through the forum and the help file with zero luck. I have a part that is basically a castle nut, minus the threads. There are 30 teeth to this part and the drawing calls for 60x profile .0039 to D|E (each face of each tooth). Datum D is the ID and Datum E is a face of one tooth. I got a hold of Zeiss and they walked me through the freeform setup on this part and the results are what they are. Each face is scanned with 50+ points. The program runs fine, however I am questioning the results. We have a Hexagon machine running PC-DMIS 2023.2 and a brand new ZEISS Contura. The Hex machines are passing the parts, but when they are run across the Contura the results are almost double. Hex machine is giving 0.002 - 0.0035 and the Contura is pushing 0.007. The Hex machine that we use, and must use per customer requirements, is down and so now we have to use the Contura to finish machining the parts due to deadlines. I have tried my best to mirror the flow, probe size/length, and point counts on both platforms. Same holding fixture used on both machines. Can you please point me in the right direction.
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Thanks for the upload, Richard. 🙂
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I think I remember someone stating thet a Features Sigma value should be about 25% of it's Form... but IDK where one would go from there. I'm more of a visual person, so I always "show masked actual points" when I'm programming, and I plot roundness & flatness for important features so that I can see if there is too much filtering
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If you can provide more information I'm sure we can help. Got a snapshot of the drawing? How deep a hole are we talking? What problems are you seeing? Given what we do know I'd do exactly as Martin suggests.
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I've never considered using sigma for this. I'm not sure there's an answer. I mean scan a circle with a gazillion points with any attenuation settings, then come back in and take 5 discrete points at the same location. They will both have sigma values. They will both report different results. I can't use S to determine which is correct. I know the 5-point method threw away no points. Maybe use the S value of this as your target?
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First put the two features in the same Y location. Make sure you're not measuring and reporting exactly the actual condition of the piece before you try to troubleshoot. Run your probe-to-probe test again in the exact same location on the workpiece.
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I believe this is the pressure angle given as a slope for some reason. No idea why they drew it like this. I've done involute splines daily for over a decade and never seen this. It's also a weird angle; maybe this is why it's given this way.
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That shouldn't be necessary. Give the probe a position point (before & after) at the same +Z coordinate as the space point with an appropriately small approach/retract.
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[Br...] started following Undercut Approach from Clearance Z+
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I have a thread cut into a circular slide that needs to come in from the Z+. Im using a .5mm Star probe, is there a way to make the probe approach from the Z+ initially then approach from the Y- direction before going to probe the space point?
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[Qu...] started following clearance distance
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I am trying to check if a feature is active and assign a different stylus tip. I am not sure if using "if Plane3==true" is what I need or should use, it appears to calculate in the PCM Editor. if PN=="00-887298" if "Plane3"=true Datum_B_tipA=="Down" Datum_B_tipB=="Down" else Datum_B_tipA=Datum_B_tip3 Datum_B_tipB=Datum_B_tip5 endif endif Any assitance with this is appreciated.
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Hello Grace, yes, the normal direction of the points should be as close as possible to X/Y/Z direction of RPS. The larger the deviation the larger the possible (repeatability) error, as the part is not aligned into the direction the actual point (intersection with mesh 41,4° from RPS direction) is measured. If there are no such points like in your example, RPS might not be the best method to evaluate the part. Best regards, Jens Braun
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If you have only those 4 points, then i am affraid it's too low number of points for stable alignment. Sometimes you can help yourself with changing that green icon ( rule ) to apply when needed.
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Hello Zachery, I would use touching discs to measure the outer points (creating a silhouette before is also an option). Best regards, Jens Braun
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I would use caliper disc from both sides to obtain 2 points, which can be then used for 2point distance
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We run production and usually know what's being made day to day. All of our CMM programs are ran through autorun. We might run a number of over a 100 different CMM programs a day. That number can change day to day depending on customer orders. So, I created a stylus qualification program that qualifies all styli positions. for every program. I copy it as many times as I have different customer part numbers to measure. Then I edit each copy to qualify only the stylus used in a specific program, renaming it accordingly. So if I know we are running programs A, B, C, D today. I can run stylus qualification programs A, B, C, D. Eliminating the waste of running the full qualification program.
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hi, i created a directory whit a folder to automatically save the report generated by calypso, but only the first report saved me but not the successes, how can automatically save all the check? thanks
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Project keyword definition, list type
[Mi...] replied to [Mi...] 's topic in Customizations & App Development
Hi @Randall Joyner, thank you for your answer. It is not clear for me but is this solution relates to the keyword set in the add-on environment (see attached pic, red marking)? I ask because the structure of your file looks a bit different and I do not know how to implement it in the keyword set JSON. My text starts with "content" and your descriptiopn is with "diag". -
In the past I noticed extremely long loading times of the *.arn file when Autorun accessed resources on the network (like icon images stored on a network location). But from a certain Calypso release on this issue was gone. I can't say if Zeiss had done something to speed it up or if there was simply a change in our network infrastructure that happened around the same time that release was installed. Nevertheless, it may be worth to check for any network stuff being accessed in the *.arn file. You can do this by loading the file in a text editor. It doesn't necessarily have to be something that is actively used right now. It could as well be an old path that is no longer present but still shows up in the file and may make Calypso cough. If I scan my *.arn, which has grown for nearly two decades now, I always find old stuff like that.
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[Ed...] started following GD&T Callout for Spline Tooth Angle
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@DWC I'll push my manager on that again...if you are ever in my area on vacation, hit me up, would love to show you our setup and have dinner.
- Last week
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[Iv...] started following Validating between Calibrations / Tracking Machine Drift and Holy Smokes
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[Ma...] started following How to check the transformation deviation of reference points in a measurement
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Hello! I would like to check the transformation deviation of each reference point in each measurement, but I can not find this value in the element dialog. Preferably the "T DEV" shown in the Reference points tab in the Edit Creation Parameters of the measurements. Whenever I have a problem, the deviation of some of the points is high. I think the deviation shown in the Edit Creation Parameters for the Measurement Series would work too. The reasons I want to check this are 1) to check if a reference point sticker on our external reference plate has moved, 2) to catch when the measurements don't properly align to each other and creates a bad mesh with offset piece or multiple layers as shown below. Thank you for your help!! Matt -
[Za...] started following How to create a max distance
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I am wondering how to create a max distance between these two outside features that could be considered two ellipse, curves, arcs, or circles. I've made many attempts at curve distances or edge distances and slotted lengths and everything comes out slightly different or just doesn't work. Any advice on creating a max distance between two rounded features?
