With the experience, go observing if the mark of the vernier that aligned is a pair number that we can simplify before starting the calculations, in order to facilitate the counts even more. See which mark of the vernier is aligned and multiply by 1/128″ (5ª mark * 1/128 = 5/128)Īdd these values with the whole of the main scale (56/128 + 5/128 + 1 = 1 61/128)įor even numerals simplify the fraction by dividing both the numerator and the denominator by two until the numerator becomes odd. In the main scale, count the number of marks after the whole inch and before the zero of the vernier multiply this value by 8/128 (7 marks * 8/128 = 56/128) There is an even simpler way to read these measures:Įach mark of the main scale is equal to 8/128″ (1/16 = 2/32 = 4/64 = 8/128 – see in the vernier one number 8 to help you remember) so: See how the mark of the vernier is aligned and multiply it by 1/128″ (5ª mark * 1/128 = 5/128)Īdd these values to the whole of the main scale, (7/16 = 14/32 = 28/64 = 56/128 + 5/128 + 1 = 1.61/128)īecause 61 is an odd number, it is not possible to simplify.Īll this algebra can, at the beggining, make someone bothered and afraid to make counts. In the main scale, count the number of marks after the whole inch and before the zero of the vernier and multiply this value by 1/16 (7 marks * 1/16 = 7/16) We saw an easy way to create this reasoning, which is: The number 4 (that is half of 8) of the vernier aligned indicates this (if you didn’t understand anything is a signal that you must interact with the page above and later come back here)In the image beside, the fifth mark of the vernier indicate that we must sum 5/128 to the measure of the main scale. For example: when the zero in the vernier is in the middle of the distance between ine mark and another, for example, we sum half of 1/16″ (1/16 * 1/2 = 1/32) to the measure of the main scale. Virtual inch vernier caliper – simulator in 1/128″ fractional – metrology that the engeneering of the use of the vernier is in how to identify in which part of the distance between two marks (of 1/16″) the zero of the vernier is. All in all, we not always have time to perfect this whole thing. With the improvement brought by the practice, this algebra becomes automatic. However, the measurement value is obtained by adding the whole, the fraction of the main scale and the fraction of vernier. With the improvement brought by the practice, this sum becames automatic. We saw also that this space is divided by the vernier by eight and that the value of the measure is obtained by the sum of the integer, the fraction of the main scale is the fraction of the nonius. In the topic vernier scale: simulator of reading and interpretation in fractional inch resolution 1/128″ we saw how each division of the main scale represents 1/16 (one sixteen avos) of inch. We saw in the topic: Use of measures in fractional inch – comprehending and measuring without that to read one ruler or line gauge with main scale in fractional inch it is not a mistery that most people imagine. Virtual vernier scale simulator for the reading and interpretation of the fractional inch 1/128" How to use one vernier scale for the reading and interpretation of the fractional inch 1/128″
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