CN214417736U - Diamond CVD drilling and reaming composite twist drill - Google Patents
Diamond CVD drilling and reaming composite twist drill Download PDFInfo
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- CN214417736U CN214417736U CN202120456352.3U CN202120456352U CN214417736U CN 214417736 U CN214417736 U CN 214417736U CN 202120456352 U CN202120456352 U CN 202120456352U CN 214417736 U CN214417736 U CN 214417736U
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Abstract
The utility model provides a diamond CVD bores the compound fluted drill of ream, wherein, the relief angle of the long sword of diamond CVD bores the compound fluted drill of ream is 16 degrees, the helix angle of long sword is 25 degrees; the left tool point angle of the diamond CVD drilling and reaming composite twist drill is 45 degrees, the blade width of the left blade of the diamond CVD drilling and reaming composite twist drill is 0.42mm, and the back angle of the left blade is 15 degrees. The utility model discloses diamond CVD bores compound fluted drill of ream adopts diamond CVD (chemical vapor deposition) coating material, lower frictional force proportion, high heat transfer heat conductivity, high hardness, high incorruptibility, high anti physical wear, high anti chemical wear, high anti crescent wearing and tearing, high anti mechanical wear, high anti cold welding wearing and tearing etc. are combined many excellent properties.
Description
Technical Field
The utility model relates to a fluted drill field, in particular to compound fluted drill of diamond CVD brill ream.
Background
In the prior art, the end faces of an automobile engine, a novel diesel engine part, an aerospace vehicle part, an engineering machinery hydraulic part airflow hole, an overflow hole and a blind hole and the deep hole profiles of titanium-aluminum alloy, silicon-aluminum alloy, zinc-aluminum alloy composite material carbon fiber and other material workpieces need efficient high-speed precision spot facing cutting.
The precision of a high-quality round hole surface, an end surface and a plane and the precision, clear, smooth and clean surface quality are ensured, so that the precision assembly is facilitated, and the fatigue strength and the reliability are improved.
The structural components of the materials such as titanium-aluminum alloy, silicon-aluminum alloy, zinc-aluminum alloy composite material carbon fiber and the like of the workpiece are complex, and the overall hardness is high. During cutting, the cutter is very worn physically and chemically, so that the cutter is difficult to process, the cutter is very worn and loses efficacy when in use, a processed workpiece is difficult to ensure the high precision of a deeper workpiece surface, and the workload is large.
Therefore, the drilling and reaming of the common hard alloy drilling tool can not meet the requirements of high-efficiency, high-speed and precise cutting.
In view of the above, a diamond CVD drilling and reaming composite twist drill has been developed by those skilled in the art to overcome the above technical problems.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a compound fluted drill of diamond CVD brill ream in order to overcome among the prior art carbide drilling tool drill ream can not be competent the defect that high-efficient high-speed accurate cutting required.
The utility model discloses a solve above-mentioned technical problem through following technical scheme:
the diamond CVD drilling and reaming composite twist drill is characterized in that the back angle of a long blade of the diamond CVD drilling and reaming composite twist drill is 16 degrees, and the helix angle of the long blade is 25 degrees;
the left tool point angle of the diamond CVD drilling and reaming composite twist drill is 45 degrees, the blade width of the left blade of the diamond CVD drilling and reaming composite twist drill is 0.42mm, and the back angle of the left blade is 15 degrees.
According to the utility model discloses an embodiment, diamond CVD bores compound fluted drill's of ream left end down oblique blade declination and inwards 2.5 degrees.
According to an embodiment of the invention, the width of the left end lower beveled edge is 2.38 mm.
According to an embodiment of the present invention, the relief angle of the left-end lower oblique edge is 12 degrees.
According to the utility model discloses an embodiment, the oblique sword oblique angle is 20 degrees on the left end of diamond CVD bores the compound fluted drill of ream.
According to an embodiment of the present invention, the clearance angle of the upper beveled edge of the left end is 12 degrees.
According to an embodiment of the invention, the chisel edge of the upper beveled edge on the left end is 0.25mm over center.
According to the utility model discloses an embodiment, diamond CVD bores the compound fluted drill's of ream cutting edge sword groove portion and adopts diamond CVD coating.
The utility model discloses an actively advance the effect and lie in:
the utility model discloses diamond CVD bores compound fluted drill of ream has following a plurality of advantages:
the diamond CVD (chemical vapor deposition) coating material has the comprehensive excellent performances of low friction force proportion, high heat transfer and heat conductivity, high hardness, high durability, high physical abrasion resistance, high chemical abrasion resistance, high crescent abrasion resistance, high mechanical abrasion resistance, high cold welding abrasion resistance and the like.
The long-edge back angle of the diamond CVD cutter is 16 degrees, the spiral elevation is 25 degrees, the cutting chip removal function of the cutting edge can be greatly increased, the cutting force is reduced, the cutting is light and stable, the polishing effect and the cutting avoiding interference effect are good, and the cutting feeding speed and efficiency, the processing stability and the processing precision are improved. The method ensures that the cut surface has precise, fine and smooth thread, smooth chip removal generates regular and extremely fine cutting texture, has compressive stress and fatigue resistance, and is favorable for oil storage and oil seal.
And the left sharp angle is 45 degrees, the edge width is 0.42mm, the rear angle is 15 degrees, so that the cutter has better impact resistance and cutting sharpness, the PCD cutter can be stably fed for cutting, high-precision machined surfaces of workpieces made of materials such as titanium-aluminum alloy, silicon-aluminum alloy, zinc-aluminum alloy composite material carbon fibers and the like can be efficiently and precisely machined at high speed, the machining quality is ensured, the mechanical abrasion of the cutting edge of the cutter is reduced, and the service life of the cutter is very long. Meanwhile, the quality of a machined workpiece is improved, the impact of head-on cutting can be resisted, the cutting is light and fast, and the impact friction of powerful and fast chip removal can be resisted.
And fourthly, the deflection angle of the lower inclined blade at the left end is inward 2.5 degrees, the width of the lower inclined blade is 2.38 millimeters, the rear angle of the lower inclined blade is 12 degrees, the lower inclined blade has a good centering countersinking and cutting effect, and the precision machining quality is guaranteed.
Fifthly, the left end upper inclined edge has a bevel angle of 20 degrees, the rear angle is 12 degrees, the chisel edge passes through the center by 0.25mm, the drilling and cutting functions are better, the drilling and cutting force is smaller, the drilling efficiency is high, and the drilling precision is high.
Drawings
The above and other features, properties and advantages of the present invention will become more apparent from the following description of the embodiments with reference to the accompanying drawings, in which like reference numerals refer to like features throughout,
wherein:
fig. 1 is the structure schematic diagram of the diamond CVD drilling and reaming composite twist drill of the utility model.
[ reference numerals ]
Diamond CVD drilling and reaming composite twist drill 10
Rear angle a
Helix angle b
Left sharp corner c
Width d1 of left edge
The rear angle e of the left blade
Left end lower ramping edge offset angle f
Width d2 of left lower bevel edge
Relief angle g of left-end lower ramping edge
Upper oblique edge bevel angle h at left end
Relief angle i of left-end upper ramping edge
Chisel edge j of left-end upper bevel edge
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.
Further, although the terms used in the present invention are selected from publicly known and used terms, some of the terms mentioned in the description of the present invention may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein.
Furthermore, it is required that the present invention is understood, not simply by the actual terms used but by the meaning of each term lying within.
Fig. 1 is the structure schematic diagram of the diamond CVD drilling and reaming composite twist drill of the utility model.
As shown in fig. 1, the utility model discloses a diamond CVD counter boring composite twist drill 10, wherein, the relief angle a of the long blade 11 of diamond CVD counter boring composite twist drill 10 is 16 degrees, and the helix angle b of the long blade 11 is 25 degrees. The left edge angle c of the diamond CVD counter boring composite twist drill 10 is 45 degrees, the edge width d1 of the left edge of the diamond CVD counter boring composite twist drill 10 is 0.42mm, and the rear angle e of the left edge is 15 degrees.
Preferably, the left end lower ramping angle f of the diamond CVD counter composite twist drill 10 is 2.5 degrees inward. The width d2 of the left lower beveled edge is 2.38 mm. The clearance angle g of the left-end lower ramping edge is 12 degrees.
Preferably, the diamond CVD countersink composite twist drill 10 has a left-end upper ramping edge angle h of 20 degrees. The clearance angle i of the left-end upper ramping edge is 12 degrees. The chisel edge j of the left upper bevel edge is 0.25mm over the center.
Further preferably, the blade cutting slot part of the diamond CVD counterboring composite twist drill 10 is coated by diamond CVD.
According to the above description, the utility model discloses diamond CVD bores compound fluted drill of ream adopts the diamond CVD bores compound fluted drill of ream of precision positioning drilling, and it can be high-speed precision drilling ream cutting process titanium aluminium alloy, silicon-aluminium alloy, material work pieces such as zinc-aluminium composite carbon fiber's high quality round hole face, terminal surface and plane to reach the requirement of precision accuracy and long durability.
To sum up, the utility model discloses diamond CVD bores compound fluted twist drill utensil of ream has following a plurality of advantages:
the diamond CVD (chemical vapor deposition) coating material has the comprehensive excellent performances of low friction force proportion, high heat transfer and heat conductivity, high hardness, high durability, high physical abrasion resistance, high chemical abrasion resistance, high crescent abrasion resistance, high mechanical abrasion resistance, high cold welding abrasion resistance and the like.
The long-edge back angle of the diamond CVD cutter is 16 degrees, the spiral elevation is 25 degrees, the cutting chip removal function of the cutting edge can be greatly increased, the cutting force is reduced, the cutting is light and stable, the polishing effect and the cutting avoiding interference effect are good, and the cutting feeding speed and efficiency, the processing stability and the processing precision are improved. The method ensures that the cut surface has precise, fine and smooth thread, smooth chip removal generates regular and extremely fine cutting texture, has compressive stress and fatigue resistance, and is favorable for oil storage and oil seal.
And the left sharp angle is 45 degrees, the edge width is 0.42mm, the rear angle is 15 degrees, so that the cutter has better impact resistance and cutting sharpness, the PCD cutter can be stably fed for cutting, high-precision machined surfaces of workpieces made of materials such as titanium-aluminum alloy, silicon-aluminum alloy, zinc-aluminum alloy composite material carbon fibers and the like can be efficiently and precisely machined at high speed, the machining quality is ensured, the mechanical abrasion of the cutting edge of the cutter is reduced, and the service life of the cutter is very long. Meanwhile, the quality of a machined workpiece is improved, the impact of head-on cutting can be resisted, the cutting is light and fast, and the impact friction of powerful and fast chip removal can be resisted.
And fourthly, the deflection angle of the lower inclined blade at the left end is inward 2.5 degrees, the width of the lower inclined blade is 2.38 millimeters, the rear angle of the lower inclined blade is 12 degrees, the lower inclined blade has a good centering countersinking and cutting effect, and the precision machining quality is guaranteed.
Fifthly, the left end upper inclined edge has a bevel angle of 20 degrees, the rear angle is 12 degrees, the chisel edge passes through the center by 0.25mm, the drilling and cutting functions are better, the drilling and cutting force is smaller, the drilling efficiency is high, and the drilling precision is high.
Although particular embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are examples only and that the scope of the present invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are all within the scope of the invention.
Claims (8)
1. The diamond CVD drilling and reaming composite twist drill is characterized in that the back angle of a long blade of the diamond CVD drilling and reaming composite twist drill is 16 degrees, and the helix angle of the long blade is 25 degrees;
the left tool point angle of the diamond CVD drilling and reaming composite twist drill is 45 degrees, the blade width of the left blade of the diamond CVD drilling and reaming composite twist drill is 0.42mm, and the back angle of the left blade is 15 degrees.
2. The diamond CVD drill spot facing composite twist drill according to claim 1, wherein a left end lower ramping edge of the diamond CVD drill spot facing composite twist drill is angled inward by 2.5 degrees.
3. A diamond CVD countersink composite twist drill according to claim 2, wherein said left lower beveled edge has a width of 2.38 mm.
4. A diamond CVD countersink composite twist drill as claimed in claim 2, wherein said left lower ramping edge has a relief angle of 12 degrees.
5. The diamond CVD countersink composite twist drill according to claim 1, wherein a left end upper slanted edge angle of the diamond CVD countersink composite twist drill is 20 degrees.
6. The diamond CVD countersink composite twist drill according to claim 5, wherein a relief angle of the left-end upper ramping edge is 12 degrees.
7. A diamond CVD tipped composite twist drill according to claim 5, wherein the chisel edge of the left end upper beveled edge is 0.25mm over the center.
8. The diamond CVD countersink composite twist drill according to claim 1, wherein the blade pocket portion of the diamond CVD countersink composite twist drill is coated with a diamond CVD coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120456352.3U CN214417736U (en) | 2021-03-02 | 2021-03-02 | Diamond CVD drilling and reaming composite twist drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120456352.3U CN214417736U (en) | 2021-03-02 | 2021-03-02 | Diamond CVD drilling and reaming composite twist drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214417736U true CN214417736U (en) | 2021-10-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120456352.3U Active CN214417736U (en) | 2021-03-02 | 2021-03-02 | Diamond CVD drilling and reaming composite twist drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214417736U (en) |
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2021
- 2021-03-02 CN CN202120456352.3U patent/CN214417736U/en active Active
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