Grating ruler line displacement sensor mounting base surface！

 When installing the grating sensor, the sensor can not be installed directly on the rough machine, but can not be installed in the primer machine. The grating master and reading heads are mounted on the two parts of the machine relative movement. Check the parallelism of the mounting surface of the main foot of the machine table with the direction of the guide rail movement. The micrometer is fixed on the bed, moving the table, requiring a parallelism of 0.1mm / 1000mm or less. If you can not meet this requirement, you need to design and process a grating base.
Base requirements to do: (1) should be added with a ruler and foot length equal to the base (the best base to grow the grating 50mm or so). (2) The base through the milling, grinding process to ensure that its plane parallelism 0.1mm / 1000mm or less. In addition, the need to work with a ruler base with a high reading head base. The total error of the base of the reading head and the base of the ruler shall not exceed ± 0.2mm. When installing, adjust the position of the reading head to reach the reading head and the grating ruler of the ruler of the parallelism of about 0.1mm, the reading head and the ruler between the ruler of the distance of 1 ~ 1.5mm or so.

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