Na Waszą prośbę udostępniam wsparcie przez Patronite [ Ссылка ] (przepraszam że tak na wstępie ta informacja ale dodaje to info do sześciuset starych filmów i nie da się za automatu wkleić do sekcji opisu gdzie jest na temat wsparcia a ręcznie to bym się zajechał - dzięki za wyrozumiałość :) ). Hey
I made for you a special test of clock sensors because I have long believed that for the hobbyist Chinese simple dialect clocks have their observations based on work experience where we use expensive professional tools and from my garage where I am rather economical and try not to overpay.
The test consists of two parts in the first part. I made the measurement using a cranked lever. I compared the Chinese sensor with the original Mitutoyo professional sensor, of course, the entire measurement takes place on the traser board in class 0. Unfortunately, I do not have any special pattern tiles in special use so I used polished spacers. I measured them with a micrometer. I described the values I gave and marked the place of measurement so that the measurement was always performed in the same place.
due to the fact that the tilting lever mechanism has a very small stroke in addition to the ground ring I used a thicker sheet of Cretaceous paper which I also measured with a micrometer as I mentioned in the first part due to the small pitch I could not measure the thickness of polished Rings so I measured the differences of course in the movie you will find the exact results of each sensors are written nicely on the sheet in the table. Let me just say that the difference in dimension should be successively 0.13 0.545 0.46 (such results came from a micrometer measurement)
The next step was to check the usual dial gauges, it was a little easier because I could measure the thickness of the Rings. I will write immediately how thick rings were measured 1.01 1.555 2.02 4.05 20.075 10.065 here I used two branded dial indicators including 1 professional mitutoyo but with a standard accuracy of 0.01 and a second Swiss precision TESA with an accuracy of 0.002 No and of course, I compared them with Chinese sensors with the first of the same range as mitutoyo (It was a sensor that I keep for accurate measurements always in a box) and the second sensor very often used for many jobs happened to him sometimes fall, be crushed in transport, maybe and it was a little flooded or sometimes dirty.
It works mainly on a lathe as a cross feed control so the working conditions are quite heavy and due to a long stroke (30mm) its spring may be already a little stretched and this sensor has achieved the worst results.
On his defense I will add only that when I pressed it a little more (after the recording), I strained the spring more strongly, its results improved, i.e. they were better than you see in the film in the table
In my opinion it also perfectly confirms what I said the Chinese sensor which was very well maintained, practically did not differ from the original Mitutoyo. The diatest or dial lever was also doing well.
all these Chinese sensors are not even Chinese high-end sensors because, of course, for slightly higher money you can buy only these are the cheapest sensors. You could get, that is, after about $ 6 to $ 15 only the diatest was bought for $ 23
I personally recommend and you now, thanks to the test, you can judge the change that always buying a new sensor, even Chinese if 0.01 written on it should keep this accuracy and if you check it and it is bad you can give or exchange
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