| 摘要 |
<p>The appts. is used to check the dimensions, parallelism, angle etc. of mfd. components and includes a main part with a hole in which a comparator is fixed using a screw. The main part can relieve a sine-type plate fixed by two centering pins and two fixing screws (B). The main part can also receive a base plate fixed by another set of two centering pins and two fixing screws. The three parts of the appts. are in steel, and after being machined are hardened then completed. The appts. can receive electric, digital and hydraulic types of comparators.</p> |
