JPS6364460U

JPS6364460U -

Info

Publication number: JPS6364460U
Application number: JP15943386U
Authority: JP
Priority date: 1986-10-20
Filing date: 1986-10-20
Publication date: 1988-04-28

Description

[Brief explanation of the drawing]

第１図はこの考案の実施例の一部を切除した斜
視図。第２図はこの考案の工具により切り出しデ
スクを加工した状態の断面図。第３図は加工機テ
ーブルに切り出しデスクをセツトする状態の断面
図。第４図は切り出しデスクと砥石との関係を示
す平面図。第５図イは加工前の切り出しデスクの
斜視図。同図ロは加工後のデスクの斜視図。図中、１…デスク部、２…シヤンク部、２ａ…
中心通孔、３…コア部、４…環状リブ、５，６…
砥石面、５ａ，６ａ…直立面、５ｂ，６ｂ…斜面
、７…仕切板、７ａ，７ｂ…通孔、８…放射通孔
、Ｔ…工具。 FIG. 1 is a partially cutaway perspective view of an embodiment of this invention. Figure 2 is a cross-sectional view of a cutting desk machined using the tool of this invention. FIG. 3 is a sectional view of the state in which the cutting desk is set on the processing machine table. FIG. 4 is a plan view showing the relationship between the cutting desk and the grindstone. Figure 5A is a perspective view of the cutting desk before processing. Figure B is a perspective view of the desk after processing. In the figure, 1... desk part, 2... shank part, 2a...
Center hole, 3... Core portion, 4... Annular rib, 5, 6...
Grinding wheel surface, 5a, 6a...upright surface, 5b, 6b...slope, 7...partition plate, 7a, 7b...through hole, 8...radial through hole, T...tool.

Claims

[Claims for Utility Model Registration] (1) Consisting of a desk part 1 and a shank part 2, a core part 3 protruding downward and an annular rib 4 on the outer periphery are provided on the lower side of the desk part 1, and the outer periphery of the core part 3 is Grinding wheel surfaces 5 and 6 made of carbide abrasive grains are formed opposite to each other on the inner peripheral surface of the annular rib 4, and the outer diameter of the grinding wheel surface 5 of the core part 3 is r ₁ , and the grinding wheel surface of the annular rib 4 is The inner diameter of 6 is r ₂ ,
The outer diameter of the donut-shaped cutting desk to be ground is r
_4. When the inner diameter of the center hole is r ₃ , r ₁ < r ₃ , r ₂ > r ₄ , and r ₁ + r ₂ = r ₃ + r ₄ A tool for turning and finishing a donut-shaped desk. (2) Slopes 5b, 6b that open outward in the direction in which the outer peripheral grindstone surface 5 of the core portion 3 and the inner peripheral grindstone surface 6 of the annular rib 4 face the upright surfaces 5a, 6a, which are larger than the wall thickness of the desk 20. A tool for rotating and finishing a donut-shaped desk according to claim 1, which is formed into a groove shape.