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Self-correcting deep hole processing system

A processing system and self-correcting technology, which is applied in the field of self-correcting deep hole processing systems, can solve problems such as hole deviation and achieve the effect of improving precision

Active Publication Date: 2017-02-08
ZHONGBEI UNIV
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Problems solved by technology

However, due to uneven material, vibration during processing, etc., in many cases, the processed holes still appear deflected, making the product a waste product
In order to reduce the deflection of the hole, technicians have made various efforts, but this technical problem has not been well solved

Method used

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Embodiment Construction

[0028] The embodiments of the present invention will be further described below in conjunction with the drawings, and the specific embodiments do not limit the present invention in any way.

[0029] The self-correcting deep hole processing system includes a workpiece 1, an oil passage part, and a tool part. The oil passage part includes an oil passage system main body 11 and a chip removal hole 12. The tool part includes a cutting edge 2, a cutter body 3, The wedge-shaped body 4, the chip discharge hole 12 passes through the cutter body 3 and the wedge-shaped body 4, and the wedge-shaped body 4 has wedge-shaped grooves 14 uniformly distributed along its circumferential direction, and the oil film between the wedge-shaped grooves 14 and the inner wall of the workpiece hole is wedge-shaped, The structures of different wedge-shaped grooves change along the same circumferential direction in the same way; the maximum depth of the wedge-shaped groove 14 is less than half of the diffe...

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Abstract

The invention belongs to the technical field of mechanical manufacturing hole processing, and in particular relates to a self-correcting deep hole processing system. The invention adopts wedge and cone structures, and proposes a technical proposal for preventing and correcting tool deflection during deep hole machining according to hydraulic fluid mechanics theory. The self-correcting deep hole machining system includes the workpiece, the oil passage part, and the tool part. The oil passage part includes the main body of the oil passage system and chip removal holes. The tool part includes cutting edges, cutter bodies, wedges, cones, cylinders, and chip removal holes. Through the cutter body, the wedge body, the cone body and the cylinder body, the wedge body has wedge-shaped grooves uniformly distributed along its circumferential direction. The tool part and the workpiece have relative rotational movement, and a wedge-shaped oil film is formed between the two surfaces, generating a certain dynamic pressure. The beneficial effect of the present invention is that the resultant force of multiple oil wedges tends to stabilize the cutter at the correct position, improving the precision of deep hole machining. In addition, the liquid formed between the cone and the workpiece hole also has a deviation-correcting effect on the tool part due to its conical shape.

Description

technical field [0001] The invention belongs to the technical field of mechanical manufacturing hole processing, and in particular relates to a self-correcting deep hole processing system. Background technique [0002] Wang Jun published the book "Modern Deep Hole Processing Technology". At present, deep hole processing equipment and process design mainly refer to this book, and ordinary cylindrical hole processing can also refer to the book. Deep hole processing includes drilling deep holes, boring deep holes, reaming and honing deep holes, etc. There are many holes processed on the entity, and sometimes the bottom hole of the part needs to be enlarged. The main methods of deep hole machining are: first, the tool rotates and the workpiece is fed; second, the workpiece rotates and the tool is fed. Deep hole drilling is the most widely used. According to the chip removal method, the drill bit is mainly divided into: internal chip removal deep hole drill and external chip re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23B41/02B23B47/00
CPCB23B41/02B23B51/00B23B2251/40B23B51/063
Inventor 于大国
Owner ZHONGBEI UNIV
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