Let us consider the use of a driver in a manual uniaxial sliding guide to achieve LCA (easy automation) (see Figure 1). Since it is premised that the workpiece holding jig is manually moved, durability is not taken into consideration in the design of the sliding guide mechanism and the selection of the material for the sliding part. However, if you use drivers in LCA, you must focus on reliability design.
Here, a description will be given of a structure after the uniaxial slide guide is changed to a micro-slider guide (SE machine of FA machine, P169, etc.).
The feature comparison table 1 and the classification table 2 of the various drivers will be described below. In addition, there are hydraulic types other than the following in the actuator, because LCA generally does not require excessive driving force and is therefore omitted here.
When choosing a driver for an LCA, consider which power and control are more important.
Because air-driven drives use compressed air (air), there are difficulties in speed control. Therefore, if you need to control, give priority to electrical. Here, because no speed and position control is required, an air drive is selected.
Table 1. Comparison of driver characteristics
Table 2. Classification of drives (including straight stroke and rotation)
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