JPH01143346U

JPH01143346U -

Info

Publication number: JPH01143346U
Application number: JP3820988U
Authority: JP
Priority date: 1988-03-23
Filing date: 1988-03-23
Publication date: 1989-10-02

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の実施例ホーニング装置の断面
図であつてホーニングヘツド軸心が加工物軸心位
置にあるときの図、第２図は同じくホーニングヘ
ツド軸心がドレツシング軸心位置にある図である
。また、第３図は円筒形模範を併設したときの図
でありホーニングヘツド軸心が円筒形模範軸心位
置にある場合である。１……コ字形コラム下端部、２……コ字形コラ
ム上端部、３……被加工物、４……チヤツク、５
……主軸、６……ホーニングヘツド、７……ホー
ン、８……砥石、９……円筒形砥石支持部、１０
……円筒形ドレツサ、１１……円筒形模範。 Fig. 1 is a sectional view of a honing device according to an embodiment of the present invention, with the honing head axial center located at the workpiece axial center, and Fig. 2 is a sectional view showing the honing head axial center located at the dressing axial center. It is. Moreover, FIG. 3 is a diagram when a cylindrical model is installed, and the axial center of the honing head is located at the axial center position of the cylindrical model. 1... lower end of the U-shaped column, 2... upper end of the U-shaped column, 3... workpiece, 4... chuck, 5
...Main shaft, 6... Honing head, 7... Horn, 8... Grinding wheel, 9... Cylindrical grinding wheel support part, 10
...Cylindrical dresser, 11...Cylindrical model.

Claims

【実用新案登録請求の範囲】 (1) 穴を有する被加工物に向つて進退自在に設
けられ、被加工物の穴内面を研削する複数の砥石
を半径方向に拡張・収縮自在に保持し、拡張状態
で被加工物の穴内面を研削するホーニングヘツド
と、ホーニングヘツドが被加工物から後退したあ
と平行移動して進入することにより、ホーニング
ヘツドをドレツシングするため円筒形のドレツサ
とを具備し、穴内面を研削する複数の砥石はそれ
ぞれ穴内面の曲率とほぼ同じ曲率の作用面をもち
、円筒形ドレツサは穴の直径とほぼ同じ内径をも
つ円筒形であり、ホーニングヘツドは、円筒形ド
レツサ内に進入し拡張され回転し、この円筒形ド
レツサの内面に圧接され、相対運動することによ
つてホーニングヘツド加工部表面をドレツシング
することを特徴とするホーニング装置。 (2) 上記円筒形ドレツサとはさらに平行な位置
に上記被加工物内径とほぼ同じ内径の円筒形模範
を具備し、加工及びドレツシングにより消耗した
上記ホーニングヘツド砥石を円筒形模範内に進入
拡張させることにより上記ホーニングヘツド砥石
消耗量を補正することを特徴とする請求項１記載
の装置。[Scope of Claim for Utility Model Registration] (1) A plurality of grindstones that are provided to move forward and backward toward a workpiece having a hole and that grind the inner surface of the hole in the workpiece, and that are capable of expanding and contracting in the radial direction; A honing head for grinding the inner surface of a hole in a workpiece in an expanded state, and a cylindrical dresser for dressing the honing head by moving in parallel after the honing head retreats from the workpiece, The plurality of grinding wheels that grind the inner surface of the hole each have a working surface with a curvature that is approximately the same as the curvature of the inner surface of the hole, the cylindrical dresser is cylindrical with an inner diameter that is approximately the same as the diameter of the hole, and the honing head is a What is claimed is: 1. A honing device characterized in that the honing device enters the honing head, expands and rotates, is pressed against the inner surface of the cylindrical dresser, and moves relative to the inner surface of the cylindrical dresser to dress the surface of the honing head processed portion. (2) A cylindrical model having an inner diameter approximately the same as the inner diameter of the workpiece is provided at a position parallel to the cylindrical dresser, and the honing head grindstone, which has been consumed by machining and dressing, enters and expands into the cylindrical model. 2. The apparatus according to claim 1, wherein said honing head grinding wheel wear amount is corrected by: