...The positioning accuracy required at this time may be around 1 to 10 μm in the case of watches, cameras, and special precision machinery, but in general it is around 0.05 to 0.2 mm. A specific hand must be designed and devised to grasp the part, but when inserting a part into a hole, there is a method called RCC (remote center compliance) in which the hand is given elasticity with a special mechanism so that the part automatically changes its position and posture to be inserted smoothly into the hole even if there is a slight positioning error. To check the assembly work, torque measurements are performed in the case of screw tightening, and contact sensors (touch sensors) are often used later when mounting the part. ... *Some explanations of terms that refer to "remote center compliance" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…そのときの位置ぎめ精度は,時計,カメラ,特別な精密機械の場合には1~10μm程度を要求されることもあるが,一般の場合には0.05~0.2mm程度である。部品をつかむためにはそれぞれに固有のハンドを工夫し設計しなければならないが,穴への部品の挿入の場合,ハンドに特別な機構で弾性を持たせ,多少の位置ぎめ誤差があっても部品が自動的に位置と姿勢を変えてなめらかに穴に挿入されるようにしたRCC(remote center compliance)という方式もある。組付作業の確認のために,ねじしめの場合にはトルク測定を行い,部品搭載のときには後で接触センサー(タッチセンサー)を用いることが多い。… ※「remote center compliance」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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