I use old instruments of the Soviet Union. Chinese ones are sometimes very inaccurate. Perhaps now they have improved in quality.When measuring, it is probably advisable not to warm the micrometer bracket with your hands, since the values change 0.001mm
Thanks great way to remember. You are on point with what your talking about than my instructors. They'll just have you give it a go or a demonstration with the ticks on the micrometer and you'll figure it out on your own. It's like if you see a pattern you'll figure it out. Btw note. you spells micrometer wrong for the title. lol
sorry, there are some clear errors in the way you use it, especially holding it, it meant to be thermally equilibrated both tool and measured piece, as holding it tight with your hand heats up the outside part of the micrometer, causing it to stretch and read incorrectly. also the reason for black pieces pop plastic on its sides are not just to stamp the brand/make, but actually insulated holding g point so you transmit as little heat as possible to the metal body.
Does anyone know what brand these are? Just bought an expensive set of Mac Tools micrometers and they're literally exactly the same... just says "Mac" on the black label instead of the range -_-
I always have to write it down to get the reading... If I don't I get lost lol. Once I have a baseline though if measuring a crank for example I then only write down the last didget in most cases.
i know this is old thread, but i gotta let all know that when it comes to cheap/or any chinese made mics, you get what you pay for... i started with china-made mics in the beginning.... they seemed "off" to me. i didnt have confidence ib the china-mic inaccuracy/repeatability. i finally dished out for Mituyoyo mic's. all china mic's went to the dump after that. Ridiculously inaccurate and repeatable every time!
We've had both terrible and awesome tools out of China. If you are going to buy them, you just need to check and be sure what you have is going to do the job you have it for. You should do the same no matter how much you spend on tools or where they are from to be fair. 'Trust but verify' is a quote we think has a lot of value in this respect and many others - Taz.
We are from New Zealand 🐑. But yes we use the metric system here too. When you are building engines you will want to know how to use both metric and imperial. - Ben
Having recently bought a set for my build, I can tell you finding a set in metric is bloody hard. I could find them but at the very bottom end of the quality range with 5 micron accuracy... I ended up up biting the bulled for a mid range set 0.0001". At the far end of the cost range were digital ones which measured both.
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