Fig. 2
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Possible contact forms between the slide and the guide rail. (a) The form of contact between the side and bottom of the slider and the guide rail. (b) The form of side contact between the slider and the guide rail. (c) The form of contact between the slider and the bottom surface of the guide rail. (d) The form of contact between the slider and a single line of the guide rail. (e) The form of two lines of contact between the slider and the guide rail. (f)–(g) The form of single line contact and bottom contact between the slider and the guide rail. (h) The form of two line contact and bottom contact between the slider and the guide rail. (i) The form of two point contact between the slider and the guide rail. (j) The form of single point contact between the slider and the guide rail. (k) The form of completely noncontact between the slider and the guide rail.
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