| 摘要 |
<p>Apparatus comprising a frame (1) and two slides (3, 7, 42; 4, 8, 42'), parallel and arranged side by side, each of which operated by a relevant motor (36, 36'). Coupled to each slide are a linear transducer (72; 72'), that detects the slide position, and a measuring head (15; 16) with a movable arm (18; 19) having a feeler (20; 21) adapted to contact the part (17). For making an apparatus featuring high accuracy and repeatability, but limited overall dimensions, and being adapted for checkings during machining, each slide comprises a linear guide rod (3; 4), movable with respect to the frame (1); a first support structure (7; 8) secured to the rod (3; 4) and arranged at a side of it for supporting the measuring head (15; 16); and a second support structure (42; 42') secured to the rod (3; 4). The second support structure (42; 42') is coupled to transmission means (34, 37, 38, 39, 40, 47; 34'; 37', 38', 39', 40', 47') actuated by the motor (36; 36') and supports one element (44; 44') of the linear transducer (72; 72'), that is arranged between the rod (3; 4) and the measuring head (15; 16). An apparatus for checking linear dimensions by a single feeler (20) can be manufactured by only using a slide (3), a motor (36) and a linear transducer (72).</p> |
