Deep hole correction reamer for numerical control machining
By designing a deep hole correction reamer with an arc-shaped cutting edge, a tapered back cutting edge, and a center hole, the vibration and chatter marks problems of reamers when machining deep holes were solved, achieving high surface finish and good cooling effect, and extending tool life.
Patent Information
- Application Number
- CN202423174212.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2034-12-23
AI Technical Summary
Existing reamers are prone to vibration and chatter marks when machining deep holes, making it difficult to guarantee the smoothness of the hole's inner wall.
Design a deep hole correction reamer for CNC machining. It is made of AF1 tungsten steel and has an arc-shaped cutting edge and a rear tapered cutting edge on the cutting head. A central hole is set at the front end of the cutting head to achieve cooling and chip removal. The tapered angle is 11° and a rotating chip removal groove is set on the cutting edge.
It effectively reduces chatter marks, improves the surface finish of the hole wall, and extends tool life through cooling and chip removal.
Smart Images

Figure CN223776149U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a reamer technical field especially relates to a kind of deep hole correction reamer for numerical control processing. BACKGROUND
[0002] In tablet computer rotating support, considering that the deep hole needing to be processed by support is hole shaft cooperation movable assembly, and hole depth is larger (hole diameter: hole depth=14.5:1), the hole wall smoothness requirement in this deep hole is higher, to facilitate hole shaft cooperation movable, so secondary hole processing is carried out using reamer, however, in the reamer processing process of prior art, vibration and vibration mark can appear, so a kind of deep hole correction reamer for numerical control processing is designed. SUMMARY
[0003] The utility model aims at the deficiency of prior art and provides a kind of deep hole correction reamer for numerical control processing, the deep hole correction reamer for numerical control processing is novel in design, simple structure, good cooling effect, good chip removal effect, effectively reduce vibration mark, improve the hole wall smoothness.
[0004] To achieve the above object, the utility model realizes by the following technical scheme.
[0005] A kind of deep hole correction reamer for numerical control processing, including the reamer body of cylindrical shape, the cylindrical handle of reamer body upper end portion is provided with, and the cylindrical neck of handle lower end is provided with, and the cutter head of neck lower end portion is provided with, the cutter head upper end is provided with the arc-shaped cutter blade, and the cutter blade is connected with rear taper cutter blade, and rear taper cutter blade and cutter blade upper end are provided with several rotatingly arranged chip removal grooves, the center hole of cutter head front end portion is provided with, and the center hole is through neck to handle top.
[0006] Among them, the material of the reamer body is AF1 tungsten steel.
[0007] Among them, the length of the neck is 110mm.
[0008] Among them, the radian of the cutter blade is R0.3mm.
[0009] Among them, the taper angle r of the cutter blade and the rear taper cutter blade is 11 °.
[0010] The utility model discloses a beneficial effect for a kind of deep hole reamer for numerical control processing, including the reamer body of cylindrical shape, the shank of cylindrical shape is arranged on reamer body upper end portion, and the neck of cylindrical shape is arranged in shank lower end, and the bit head is arranged in neck lower end portion, the cutting edge of arc shape is arranged in bit head upper end, and the rear taper cutting edge is connected with cutting edge, and the rear taper cutting edge and cutting edge upper end are provided with a plurality of rotatingly arranged chip flute, the central hole is arranged in bit head front end portion, and the central hole is through neck to shank top portion.This utility model is provided with the cutting edge of arc shape in bit head upper end, and the rear taper cutting edge is connected with cutting edge, and the rear taper cutting edge and cutting edge upper end are provided with a plurality of rotatingly arranged chip flute, and the taper angle r of cutting edge and rear taper cutting edge is 11 °, and the cutting resistance is reduced by the cutting edge of arc shape design, effectively reduce vibration mark, guarantee perpendicularity;The central hole is arranged in bit head front end portion, and the central hole is through neck to shank top portion, and the central hole is used to cool water to play the role of lubrication cooling, removing chip, prolonging tool life, protecting hole wall smooth surface;Therefore, the utility model has the advantages of novel design, simple structure, good cooling effect, good chip removal effect, effectively reduce vibration mark, improve the smoothness of hole inner wall. BRIEF DESCRIPTION OF DRAWINGS
[0011] The utility model will be further described below by using drawings, but the embodiment in the drawings does not constitute any limitation to the utility model.
[0012] Figure 1 It is the structural schematic diagram of the utility model.
[0013] In Figure 1 It includes:
[0014] 1-reamer body 11-shank
[0015] 12-neck 13-bit head
[0016] 14-cutting edge 15-rear taper cutting edge
[0017] 16-chip flute 17-central hole. DETAILED DESCRIPTION
[0018] The utility model will be further described below by using drawings, but the embodiment in the drawings does not constitute any limitation to the utility model.
[0019] For example Figure 1As shown, a deep hole correction reamer for numerical control machining, including a cylindrical reamer body 1, the upper end of the reamer body 1 is provided with a cylindrical handle 11, and the lower end of the handle 11 is provided with a cylindrical neck 12, the lower end of the neck 12 is provided with a tool bit 13, the upper end of the tool bit 13 is provided with an arc-shaped cutter edge 14, and the cutter edge 14 is connected with a rear tapered cutter edge 15, and the rear tapered cutter edge 15 and the upper end of the cutter edge 14 are provided with a plurality of rotary arranged chip grooves 16, the front end of the tool bit 13 is provided with a center hole 17, and the center hole 17 penetrates the neck 12 to the top of the handle 11.
[0020] As preferred in the embodiment, the material of the reamer body 1 is AF1 tungsten steel, high hardness and high toughness, which improves the smoothness of the hole wall.
[0021] As preferred in the embodiment, the length of the neck 12 is 110mm.
[0022] As preferred in the embodiment, the arc of the cutter edge 14 is R0.3mm.
[0023] As preferred in the embodiment, the taper angle r of the cutter edge 14 and the rear tapered cutter edge 15 is 11°.
[0024] Further explanation is needed, the utility model discloses the upper end of the tool bit 13 is provided with the arc-shaped cutter edge 14, and the cutter edge 14 is connected with the rear tapered cutter edge 15, and the rear tapered cutter edge 15 and the upper end of the cutter edge 14 are provided with a plurality of rotary arranged chip grooves 16, and the taper angle r of the cutter edge 14 and the rear tapered cutter edge 15 is 11°, the arc-shaped cutter edge 14 design reduces cutting resistance, effectively reduces the vibration knife line, guarantees perpendicularity, the front end of the tool bit 13 is provided with the center hole 17, and the center hole 17 penetrates the neck 12 to the top of the handle 11, and the center hole 17 is used to cool water to play the role of lubrication cooling, removing debris, prolonging tool life and protecting the smooth surface of the hole wall, so the utility model has the advantages of novel design, simple structure, good cooling effect, good chip removal effect, effectively reducing the vibration knife line and improving the smoothness of the hole wall.
[0025] The above is only the preferred embodiment of the utility model, and for ordinary skilled in the art, according to the idea of the utility model, the specific implementation mode and application range will be changed, and the content of the specification should not be understood as the limitation of the utility model.
Claims
1. A deep hole correction reamer for use in numerical control machining, characterized by: The utility model relates to a cylindrical reamer body (1), the upper end of the cylindrical reamer body (1) is provided with a cylindrical handle (11), the lower end of the handle (11) is provided with a cylindrical neck (12), the lower end of the neck (12) is provided with a tool bit (13), the upper end of the tool bit (13) is provided with an arc-shaped cutter blade (14), the cutter blade (14) is connected with a rear taper cutter blade (15), a plurality of rotary arrangement of chip groove (16) are arranged on the upper end of the cutter blade (14) and the rear taper cutter blade (15), the front end of the tool bit (13) is provided with a center hole (17), and the center hole (17) penetrates the neck (12) to the top of the handle (11).
2. The deep hole modified reamer for NC machining according to claim 1, characterized in that: The material of the reamer body (1) is AF1 tungsten steel.
3. The deep hole modified reamer for NC machining according to claim 1, characterized in that: The length of the neck (12) is 110mm.
4. The deep hole modified reamer for NC machining according to claim 1, characterized in that: The arc of the cutter blade (14) is R0.3mm.
5. The deep hole modified reamer for NC machining according to claim 1, characterized in that: The taper angle r of the cutter blade (14) and the rear taper cutter blade (15) is 11°.