Inner chip removal deep hole machining method

A processing method and internal chip removal technology, used in metal processing equipment, metal processing mechanical parts, manufacturing tools, etc., can solve the problems of asymmetric tool structure, tool deviation, workpiece deformation, etc. The effect of high centering accuracy and short contact lines

CN112589149APending Publication Date: 2021-04-02ZHONGBEI UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2021-04-02

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Abstract

The invention belongs to the field of deep hole machining, and particularly relates to an inner chip removal deep hole machining method. The inner chip removal deep hole machining method uses an innerchip removal deep hole drill provided with a blade, a cutter body and a wedge-shaped part. Wedge-shaped protrusions are distributed on the wedge-shaped part along the circumference, and the unilateral gap between the wedge-shaped part and the inner wall of a deep hole is larger than or equal to 0 mm. When needed, the self-centering force of the deep hole drill can be adjusted through a positioning piece, a screw and a support, the positions or postures of the wedge-shaped protrusions are changed at the moment, and the shape, thickness and acting force of an oil film are changed accordingly. The inner chip removal deep hole machining method comprises the steps that firstly, the inner chip removal deep hole drill is assembled; secondly, the deep hole drill and a workpiece are installed; andthirdly, the deep hole drill is rotated, and cutting liquid is brought into a wedge-shaped space. Large liquid acting force can be obtained, a cutter system is high in precision, high-speed rotationcan be achieved, installation and popularization are convenient, and the cutting liquid is clean. The inner chip removal deep hole machining method can be used for deep hole or shallow hole machining,drilling or chambering, and the deep hole machining quality and efficiency can be improved.
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Description

technical field

[0001] The invention belongs to the field of hole processing, and in particular relates to a deep hole processing method for internal chip removal. Background technique

[0002] Deep hole processing tools are different from ordinary twist drills in structure. Deep hole tools include internal chip removal deep hole drills and external chip removal deep hole drills. figure 1 It is a front view schematic diagram of the machining principle of the existing internal chip removal deep hole tool. figure 2 is its side view diagram. Among the figure, 1 is a workpiece, 4 is a cutter body, which is a hollow structure, on which a cutting edge 2 and a guide bar 3 are fixed. 5 is a cutter bar (ie a drill pipe), and 6 is an oil feeder. The workpiece 1 rotates relative to the tool system. The oil used for cooling, lubricating and chip removal flows through the outside of the cutter bar 5, and the iron filings are discharged from the inner hole of the cutter bar. [0003...

Examples

Embodiment Construction

[0046] The implementation manners are further described below, and the specific implementation manners do not limit the present application in any way.

[0047] 1. The wedge-shaped part is a connecting structure or an integral structure.

[0048] 2. The force of the liquid is adjusted by mechanical, electrical or magnetic means.

[0049] 3. The wedge-shaped contour of the wedge-shaped convex part is a circle, or an Archimedes spiral, or other curves.

[0050] 4. The blades are arranged symmetrically or asymmetrically; the liquid is oil or other liquid, which is filtered by a filter, centrifugal force, or magnetically.

[0051] 5. The wedge-shaped protrusion or the adjusting pad is in contact with the positioning piece.

[0052] 6. The material and heat treatment requirements of the top of the wedge-shaped protrusion are the same as or different from the material and heat treatment requirements of the main body of the wedge-shaped protrusion; the top of the wedge-shaped protr...