| 摘要 |
<p>Device for verifying the dimension of a cylindrical element includes: means (1) for forming a metallic plate (2) according to a substantially cylindrical shape, to define the cylindrical element (4). A station (5) for measuring the cylindrical element (4) includes a sleeve (7), which is internally coupled with a bush (6), whose inner portion receives the cylindrical element (4) passing therethrough and has a diameter of prefixed value. Holding means (8) are made in the sleeve (7) and the bush (6), to hold the bush (6) in an operation position (O), or to allow the bush (6) to assume a disengaged position (S), due to the interference between the inner surface of the bush (6) and at least a portion of the outer surface of a cylindrical element (4). A sensor (9) detects a possible and sudden dimension change of the elements going out from the sleeve-bush group.</p> |
