[Sa...] Posted March 8, 2023 Share Posted March 8, 2023 Good afternoon everybody. I´m concernd about our Prismo Ultra with a Vast Gold Probehead. I´ve been working with this Maschine for over a Year now (since I finished my apprenticeship basiclly). The Maschine has been in our Company since 2011 and my former colleague told me the Probehead has never been replaced. I never had any issues with this Maschine (and never had any hard crashes) but lately I noticed some things. For example, when I tried to add other Stylussystems, most of the time the Probehead didn´t recognize the ID and showed random Stylussystems. I dismissed it at first but now this happend: While automaticlly switching Systems, this errormessage pops up. Is the Probehead going bad or is something else going on? 😕Cross upper limiting taration.doc Link to comment https://qualityforum.zeiss.com/topic/8414-cross-upper-limiting-taration/ Share on other sites More sharing options...
[Ch...] Posted March 8, 2023 Share Posted March 8, 2023 Probably probe head going bad. But first, try this one trick first. Pickup your heaviest probe and see if this fixes the issue. Even add counterweights to get the probe near the weight limit. The theory is that over time the mechanics inside the probe head get shifted towards the upper limit. Especially if you mostly pickup smaller probes. The heavier probe will bring the mechanics inside the probe head back away from the upper taration limit. If you're lucky, this fixes your issue. Link to comment https://qualityforum.zeiss.com/topic/8414-cross-upper-limiting-taration/#findComment-37188 Share on other sites More sharing options...
[Ri...] Posted March 8, 2023 Share Posted March 8, 2023 How heavy is your stylus system, and how out of balance is it? Link to comment https://qualityforum.zeiss.com/topic/8414-cross-upper-limiting-taration/#findComment-37190 Share on other sites More sharing options...
[No...] Posted March 8, 2023 Share Posted March 8, 2023 Let's hope it's only the stylus weight, but whenever I saw this message come up, the head (VAST XT) was close to going bad. Sometimes it took weeks, sometimes days, but it always happened in the end. And we had to replace quite a number of heads in 20 years. Good luck! Link to comment https://qualityforum.zeiss.com/topic/8414-cross-upper-limiting-taration/#findComment-37192 Share on other sites More sharing options...
[Cl...] Posted March 8, 2023 Share Posted March 8, 2023 I believe the max weight is 450 grams. Link to comment https://qualityforum.zeiss.com/topic/8414-cross-upper-limiting-taration/#findComment-37194 Share on other sites More sharing options...
[Ri...] Posted March 8, 2023 Share Posted March 8, 2023 Please sign in to view this quote. The VAST Gold on an Accura/Prismo is rated at 600g. The one for MMZs is rated at 800g. Link to comment https://qualityforum.zeiss.com/topic/8414-cross-upper-limiting-taration/#findComment-37196 Share on other sites More sharing options...
[Cl...] Posted March 8, 2023 Share Posted March 8, 2023 Please sign in to view this quote. ZEISS VAST XT goldZEISS VAST XTR goldActive scanning and multipoint sensor. Scanning measuring rate up to 500 points/s.Variable measuring force (50-1000 mN) for data acquisition.ZEISS VAST XT gold: stylus: max. length = 500 mm, max. weight = 500 g incl. stylus adapter, min. stylus tip diameter = 0.5 mm.ZEISS VAST XTR gold: max. length (rigid) = 500 mm, max. length (during rotation) = 350 mm, max. weight = 500 g, including stylus adapter, min. stylus tip diameter = 0.5 mm. Link to comment https://qualityforum.zeiss.com/topic/8414-cross-upper-limiting-taration/#findComment-37198 Share on other sites More sharing options...
[Ri...] Posted March 8, 2023 Share Posted March 8, 2023 Please sign in to view this quote. That is the XT and XTR, not the Vast Gold Link to comment https://qualityforum.zeiss.com/topic/8414-cross-upper-limiting-taration/#findComment-37200 Share on other sites More sharing options...
[Ri...] Posted March 8, 2023 Share Posted March 8, 2023 Link to comment https://qualityforum.zeiss.com/topic/8414-cross-upper-limiting-taration/#findComment-37202 Share on other sites More sharing options...
[Sa...] Posted March 9, 2023 Author Share Posted March 9, 2023 Please sign in to view this quote. Our stylus systems weight around 300 to 500g. Link to comment https://qualityforum.zeiss.com/topic/8414-cross-upper-limiting-taration/#findComment-37204 Share on other sites More sharing options...
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