GRINDER FOR HEIGHT OF COMB-SHAPED LIP OF LABYRINTH PACKING

• Main Authors: KUBOTA MASUO, YAMADA MANABU, ONODERA JOJI, KOMATSU HIROKI, SHIOTANI NORIHIRO
• Format: Patent
• Language: English; Japanese
• Published: 27.12.2018
• Subjects: BLASTING; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT; CYLINDERS; DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING; DRESSING OR CONDITIONING OF ABRADING SURFACES; ENGINEERING ELEMENTS AND UNITS; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; GRINDING; HEATING; LIGHTING; MACHINE TOOLS; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS; MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; MECHANICAL ENGINEERING; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; PHYSICS; PISTONS; POLISHING; SEALINGS; TESTING; THERMAL INSULATION IN GENERAL; TRANSPORTING; WEAPONS

To provide an automatic grinder independent of a level of skill of an operator for a height of comb-shaped lip of a labyrinth packing, the grinder being capable of executing corrective machining regardless of a curvature, a size, and/or a condition of the labyrinth packing.SOLUTION: A grinder comprises a stage 14 movable in x- and y-axis directions, a gripping mechanism 24 to hold a labyrinth packing 60 on the stage 14, grinding means 34 to grind comb-shaped lips 62 of the labyrinth packing 60, a z axis actuator 26 to move the grinding means 34 in a z-axis direction, measuring means 38 to measure three points of Z axis coordinates along the x-axis of the labyrinth packing 60, and control means 42 to acquire a curvature radius of the labyrinth packing 60 on the basis of the measurements by the measuring means 38, generate machining data for grinding the upper end of the lip 62 by the grinding means 34 on the basis of the acquired curvature radius, and output control signals to the stage 14 and the z axis actuator 26.SELECTED DRAWING: Figure 1 【課題】作業者の熟練度に依存しない自動加工において、ラビリンスパッキンの曲率や大きさ、状態の如何によらずに修正加工を行うことのできる櫛歯高さ研削装置を提供する。【解決手段】Ｘ軸方向と、Ｙ軸方向への移動を可能とするステージ１４と、ステージ１４上にラビリンスパッキン６０を固定する把持機構２４と、ラビリンスパッキン６０の櫛歯６２を研削する研削手段３４と、研削手段３４をＺ軸方向へ移動させるＺ軸アクチュエータ２６と、ラビリンスパッキン６０におけるＸ軸に沿った３点のＺ軸座標を計測する計測手段３８と、計測手段３８による計測値に基づいてラビリンスパッキン６０の曲率半径を求め、当該曲率半径に基づき、研削手段３４により櫛歯６２の上端を研削するための加工データを作成し、ステージ１４とＺ軸アクチュエータ２６とに対して、制御信号を出力する制御手段４２と、を備えることを特徴とする。【選択図】図１