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Easy to deform plate flatness and thickness measurement bias


Degree of deviation of the flatness of the glass 3.9ram here freezing in the glass in the cooling stress and there is a clear split specimen went to drive the length of curved l0 () Figure 5 and ten transition thickness 39ram flatness grinding ground ( Sensors measured by inductively) Figure 6 5m1 ∞ a thickness measurement curve of a thick polycarbonate plate board 48 - song,[link widoczny dla zalogowanych], in this case, the variation of up to 5m. Figure 6 shows the thickness of the plastic plate extrusion 5mill deformation curve. This verified by the optical curve, with 5 ~ 7m of the thickness variation volume. In the bearing production process, no plate deformation test. After injection of low viscosity emulsions, insert the board in the force did not cause the deformation. Test board is almost symmetrically inserted in the box. This will allow the contractile force of hardened emulsion cancel each other. As long as specimens do not change the internal stress state, the same sample measured after several times after implantation, each show is always the same shape deviation. Surface shape for the common bleeding volume, another possible reason is that the error stylus tip radius, tip radius must be suitable for the precision of the device under test. In addition, in case of large curvature, we should note that this time the specimen is no longer a vertical stylus tip contact. As with the size of a certain radius of the stylus movement caused by measuring the bending of the specimen touched by the error. H to allow the specimen material,[link widoczny dla zalogowanych], this problem can be very sophisticated by using the stylus to compensate, if necessary, also by computer software to compensate. References [1] Bibl, Beyer,. undch ~ ck. Pr a zisioncstlmmungderForraahwclchungcavDnPlanglasp / attcnmitindukt ~ vcaFeinze1gef mouth,[link widoczny dla zalogowanych], verglichenmitder {nterferometr] schenMessungMeBtechnik76 (1q68), S. 33-4Ound78 (1970). S462 [2jBer ~ qer, MDiekeamcsstmgIn, HengNenberg. ,: StarkcBundWinMer, 0 (Hrsg) lMe-ssea. StcuernundRcgelainderchem] sehe Ⅱ TeehMkSpringer-Ved ~ g, Berlln (1980), S6416] 3) C ~ zimonn. V. VerfahronzErErfassu \? c \on the next page 39) Factory [I [i by (5j programming programming can be further simplified, block diagram in Figure 4,[link widoczny dla zalogowanych], the results stored in A (DATA) unit. Listing slightly on the face of K-type thermocouple test data processing were introduced, to make programming simple, only made by l000 processing, such as low precision and also that can be made by them or by 10000 100000 treatment. S-type thermocouple test data should be simple and some of her reasons Readers can follow the above method to design short, the data processing methods are diverse, the actual news in the treatment of the theme, we have flexibility to give full consideration to get a relatively simple method. 'References: 1] computer at the reference side of the square thermoelectric linked initiatives, namely guillotine technique, l986, 3 [2: thermal conductivity of the short type thermocouple 1 璺 the impact of population from the house,[link widoczny dla zalogowanych], measuring techniques, 1988,5 [3] drug test side processing Thermocouple set of Qin Zhuo m cloud effects, measurement techniques, 1q8, 9. [【] Shu sowing new wells, micro-juice. Sapporo control 1} {Zhu surgery, pupil-mail f Ⅲ more social, 【9E

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