CN102581355A - Twist drill for drilling precision holes on high-strength and high-hardness alloy materials - Google Patents
Twist drill for drilling precision holes on high-strength and high-hardness alloy materials Download PDFInfo
- Publication number
- CN102581355A CN102581355A CN2012100843588A CN201210084358A CN102581355A CN 102581355 A CN102581355 A CN 102581355A CN 2012100843588 A CN2012100843588 A CN 2012100843588A CN 201210084358 A CN201210084358 A CN 201210084358A CN 102581355 A CN102581355 A CN 102581355A
- Authority
- CN
- China
- Prior art keywords
- sword
- ladder
- oblique
- multistage
- guiding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/08—Drills combined with tool parts or tools for performing additional working
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D77/00—Reaming tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/14—Configuration of the cutting part, i.e. the main cutting edges
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Abstract
The invention relates to a twist drill for drilling precision holes on high-strength and high-hardness alloy materials. The twist drill is characterized by comprising multi-stepped inclined edges (1), (4), (7) and (10), multi-stepped flat edges (3), (6) and (9), multi-stage guide edges (2), (5), (8) and (11), a reaming edge (12), a reaming and finishing edge (13), a drill bit pair cutting edge (18), an inner edge (14) and a chisel edge (15), wherein the inner edge (14) is formed after chisel edge thinning. The twist drill is suitable for drilling the precision holes on the high-strength and high-hardness alloy materials of titanium alloy, high-temperature alloy, high manganese steel and the like in the fields of aviation, aerospace, nuclear power stations, high-temperature high-pressure containers, moulds, military hardware manufacture and the like.
Description
Affiliated technical field
The present invention belongs to a kind of fluted drill that bores high strength, the smart hole of high hardness alloy material.
Background technology
Fluted drill invention 100 is main hole machining tool for many years always, and its Fabrication parameter various countries are the same basically, so also work out international standard (ISO235-1980) is arranged, so be called the standard fluted drill again.To high accurate hole processing, general boring earlier back ream is wanted two procedures, and reamer generally is made up of six taper guiding cutting edges and six straight line wiper edges.
High speed development along with modern manufacturing industry; Various high strength, high hardness alloy material use in a large number; Its hardness, intensity have a lot near hardness and the intensity of making high-speed tool steel fluted drill material itself usually; Therefore high speed steel twist drill is difficult on above-mentioned material, hole, and the general standard hard alloy twist drill also is difficult on above-mentioned material, hole.It is low to be embodied in durability, and drill bit is tipping very easily, and drilling quality is poor, and the lathe rigidity is required height, and the boring cost increases substantially.Still must be to high accurate hole processing with traditional ream processing, because of contact-making surface is big, machined material intensity is high, hardness is big, and reamer also is difficult to be competent at, and efficient is lower.
A kind of fluted drill that bores high strength, high hardness alloy material and have the fraising function be can invent,, its drilling quality, efficient and durability increased substantially through changing the manufacturing structure and the brill type grinding parameter of fluted drill.This is a high strength, the manufacture field worker is desired in the high hardness material hole.
Summary of the invention
The purpose of this invention is to provide a kind of fluted drill that bores high strength, the smart hole of high hardness alloy material that has; Through to the manufacturing structure of hard alloy twist drill and the change of parameter, thereby reach drilling efficiency, drilling quality and the drill bit durability that increases substantially high strength such as titanium alloy commonly used in Aeronautics and Astronautics, nuclear power station, high temperature and high pressure containers, mould, the weaponry manufacturing field, high temperature alloy, potassium steel, high hardness alloy material.
The present invention solves the technical scheme that its technical problem takes:
Bore the fluted drill in high strength, the smart hole of high hardness alloy material; It comprises land, fried dough twist drill body and drill bit front cutting edge, it is characterized in that: described main cutting edge is to be connected and composed by the inner edge and the chisel edge that form behind the oblique sword of multistage ladder, the flat sword of multistage ladder, multistage guiding sword, ream sword, ream wiper edges, the web thinning.
The oblique sword of described multistage ladder is connected and composed by the oblique sword of one-level ladder, the oblique sword of secondary ladder, three grades of oblique swords of ladder, the oblique swords of level Four ladder; The flat sword of described multistage ladder is connected and composed by the flat sword of one-level ladder, the flat sword of secondary ladder, three grades of flat swords of ladder; Described multistage guiding sword is connected and composed by lead sword, secondary guiding sword, three grades of guiding swords, level Four guiding swords of one-level.
The oblique sword of said multistage ladder not point-blank, stepped distribution, the distance h 1 between the oblique sword of multistage ladder, h2, h3 all between 0.3mm～1.5mm,
The sharp angle of the oblique sword of said multistage ladder is 90 °～150 °,
The relief angle of the oblique sword of said multistage ladder is 6 °～15 °,
The length of the oblique sword of said multistage ladder is 1.5mm～3.5mm near the apex point partial-length, and the length of the oblique sword of other ladder is 0.5mm～2.5mm.
The flat knife edge angle of said multistage ladder is 150 °～200 °, and relief angle is 6 °～18 °, and length is 0.2mm～1.5mm.
Said multistage guiding sword length is 0.2mm～1.5mm.
Said ream knife edge angle is 60 °～160 °, and length is 0.20mm～0.40mm; Said ream wiper edges length is 1.0mm～5.0mm, and the ream wiper edges does not have back taper.
The invention has the beneficial effects as follows: the present invention compares with the world standard fluted drill, and the most significant different characteristics is that main cutting edge is combined by the oblique sword of multistage ladder, the flat sword of multistage ladder, multistage guiding sword, ream sword and ream wiper edges.
The present invention is a kind of fluted drill that bores high strength, the smart hole of high hardness alloy material; Make with carbide alloy; Can carry out the high accurate hole drilling to multiple materials such as titanium alloy commonly used in the fields such as Aeronautics and Astronautics, nuclear power station, high temperature and high pressure containers, mould, weaponry, high temperature alloys; Once accomplish brill, hinge work, can increase substantially drilling efficiency, hole crudy and drill bit durability.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified:
Fig. 1 is the first most preferred embodiment figure of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the second most preferred embodiment figure of the present invention;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the 3rd most preferred embodiment figure of the present invention;
Fig. 6 is the vertical view of Fig. 5;
Among the figure: 1. the oblique sword of one-level ladder, 2. one-level ladder guiding sword, the 3. flat sword of one-level ladder, the 4. oblique sword of secondary ladder, 5. secondary ladder guiding sword; 6. the secondary ladder is put down sword, 7. three grades of oblique swords of ladder, 8. three grades of ladders guiding swords, 9. three grades of ladders flat sword, the 10. oblique swords of level Four ladder; 11. level Four ladder guiding sword, 12. ream swords, 13. ream wiper edges, the inner edge that forms behind 14. web thinnings; 15. chisel edge, 16. lands, 17. fried dough twist drill bodies, 18. drill bit front cutting edges.
The specific embodiment
Embodiment one:
In Fig. 1, Fig. 2; Fluted drill main cutting edge length when bit diameter is 150 ° of 16mm, sharp angle is 8.3mm; Its is suitable for three grades of ladders, and the oblique sword 1 long 1.8mm of one-level ladder, the oblique sword of the oblique sword of secondary ladder 4, three grades of ladders 7, the oblique sword 10 of level Four ladder grow and be 1.1mm, relief angle and be 15 °, sharp angle and be 150 °; The one-level ladder is put down the long 1.0mm, relief angle of being of the flat sword of the flat sword of sword 3, secondary ladder 6, three grades of ladders 9 and is 15 °, sharp angle and is 180 °; One-level guiding sword 2, secondary guiding sword 5, three grades of guiding swords 8, level Four guiding sword 11 are long to be 0.6mm, 90 ° of ream sword 12 long 0.25mm, sharp angles, ream wiper edges 13 long 3.0mm.
Embodiment two:
In Fig. 3, Fig. 4; Fluted drill main cutting edge length when bit diameter is 120 ° of 10mm, sharp angle is 5.6mm; Its is suitable for secondary ladder, and the oblique sword 1 long 1.6mm of one-level ladder, the oblique sword of secondary ladder 4, three grades of oblique swords 7 of ladder grow and be 1.1mm, equal 12 ° of relief angle, sharp angle and be 120 °; The one-level ladder is put down the long 0.8mm, relief angle of being of the flat sword of sword 3, secondary ladder 6 and is 12 °, sharp angle and is 180 °; One-level guiding sword 2, secondary guiding sword 5, three grades of guiding sword 8 long 0.6mm that are, ream sword 12 is long to be 90 ° of 0.25mm, sharp angles, ream wiper edges 13 long 3.0mm.
Embodiment three:
In Fig. 5, Fig. 6, the fluted drill main cutting edge length when bit diameter is 90 ° of 5.0mm, sharp angle is 3.5mm, and its is suitable for one-level ladder; The oblique sword 1 long 1.8mm of one-level ladder; The oblique sword 4 long 1.0mm of secondary ladder, 6 ° of relief angles, 90 ° of sharp angles, the one-level ladder is put down sword 3 long 0.6mm, 6 ° of relief angles, 180 ° of sharp angles, one-level guiding sword 2, the secondary guiding sword 5 long 0.6mm that are; 90 ° of ream sword 12 long 0.25mm, sharp angles, ream wiper edges 13 long 3.0mm.
Comprehensive embodiment one to three; The present invention is to the improvement on the fluted drill structure and parameter; The present invention can improve centering, branch bits, guiding, the smoothing performance of fluted drill greatly, thereby can reach with the drilling hinge, reaches the requirement of drilling micropyle on high strength, high hardness alloy material.
Claims (6)
1. bore the fluted drill in high strength, the smart hole of high hardness alloy material; It comprises land (16), fried dough twist drill body (17) and drill bit front cutting edge (18), it is characterized in that: described main cutting edge is to be connected and composed by the inner edge (14) and the chisel edge (15) that form behind the oblique sword of multistage ladder, the flat sword of multistage ladder, multistage guiding sword, ream sword (12), ream wiper edges (13), the web thinning.
2. the fluted drill in brill high strength according to claim 1, the smart hole of high hardness alloy material, it is characterized in that: the oblique sword of described multistage ladder is connected and composed by the oblique sword of one-level ladder (1), the oblique sword of secondary ladder (4), three grades of oblique swords of ladder (7), the oblique sword of level Four ladder (10); The flat sword of described multistage ladder is connected and composed by the flat sword (3) of one-level ladder, the flat sword (6) of secondary ladder, three grades of flat swords (9) of ladder; Described multistage guiding sword is connected and composed by lead sword (2), secondary guiding sword (5), three grades of guiding swords (8), level Four guiding swords (11) of one-level.
3. the fluted drill in brill high strength according to claim 1, the smart hole of high hardness alloy material; It is characterized in that: the oblique sword of said multistage ladder (1), (4), (7), (10) are not point-blank; Stepped distribution; Distance h 1 between the oblique sword of multistage ladder (1), (4), (7), (10), h2, h3 are between 0.3mm～1.5mm
The sharp angle of the oblique sword of said multistage ladder is 90 °～150 °,
The relief angle of the oblique sword of said multistage ladder is 6 °～15 °,
The length of the oblique sword of said multistage ladder is 1.5mm～3.5mm near the apex point partial-length, and the length of the oblique sword of other ladder is 0.5mm～2.5mm.
4. the fluted drill in the smart hole of brill high strength according to claim 1, high hardness alloy material is characterized in that: it is 150 °～200 ° that said multistage ladder is put down sword (3), (6), (9) sharp angle, and relief angle is 6 °～18 °, and length is 0.2mm～1.5mm.
5. the fluted drill in brill high strength according to claim 1, the smart hole of high hardness alloy material, it is characterized in that: said multistage guiding sword (2), (5), (8), (11) length are 0.2mm～1.5mm.
6. the fluted drill in brill high strength according to claim 1, the smart hole of high hardness alloy material, it is characterized in that: said ream sword (12) sharp angle is 60 °～160 °, and length is 0.20mm～0.40mm; Said ream wiper edges (13) length is 1.0mm～5.0mm, the no back taper of ream wiper edges (13).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100843588A CN102581355A (en) | 2012-03-27 | 2012-03-27 | Twist drill for drilling precision holes on high-strength and high-hardness alloy materials |
| PCT/CN2013/000344 WO2013143348A1 (en) | 2012-03-27 | 2013-03-25 | Twist drill for drilling fine holes on high-strength and high-hardness alloy material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100843588A CN102581355A (en) | 2012-03-27 | 2012-03-27 | Twist drill for drilling precision holes on high-strength and high-hardness alloy materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102581355A true CN102581355A (en) | 2012-07-18 |
Family
ID=46470895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100843588A Pending CN102581355A (en) | 2012-03-27 | 2012-03-27 | Twist drill for drilling precision holes on high-strength and high-hardness alloy materials |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102581355A (en) |
| WO (1) | WO2013143348A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013143348A1 (en) * | 2012-03-27 | 2013-10-03 | 北京迪蒙集智科技有限公司 | Twist drill for drilling fine holes on high-strength and high-hardness alloy material |
| CN103737073A (en) * | 2014-01-21 | 2014-04-23 | 华中科技大学 | Twist drill with grooved front tool faces and bent blades |
| CN106001708A (en) * | 2016-07-28 | 2016-10-12 | 山东大学 | Chip breaking drill bit with step edge type |
| CN111112700A (en) * | 2020-01-18 | 2020-05-08 | 江苏爵克数控刀具有限公司 | Strong chip dividing drill |
| JP2020533191A (en) * | 2017-09-15 | 2020-11-19 | ギューリング カーゲーＧｕｅｈｒｉｎｇ Ｋｇ | 4-flute drill |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201411A (en) * | 2015-10-19 | 2015-12-30 | 无锡市永亿精密铸造有限公司 | Drill bit containing graphite cone |
| DE102015220634A1 (en) | 2015-10-22 | 2017-06-29 | Robert Bosch Gmbh | drilling |
| EP4227031A1 (en) * | 2016-02-14 | 2023-08-16 | Tec-Spiral Enterprises Tools Co., Ltd. | High efficiency step-structured twist drill |
| US12109635B2 (en) | 2021-04-21 | 2024-10-08 | Iscar, Ltd. | Rotatable cutting head having tip portion with radially extending cutting edges forming a cutting profile having concave and convex sub-portions |
| CN214720850U (en) * | 2021-06-11 | 2021-11-16 | 江苏锋源工具有限公司 | Spiral stepped drill point twist drill |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4605347A (en) * | 1982-12-27 | 1986-08-12 | Lockheed Missiles & Space Company, Inc. | High speed drill reamer |
| JPS63283809A (en) * | 1987-05-12 | 1988-11-21 | G N Tool Kk | Drill reamer with nicks |
| CN2467244Y (en) * | 2001-03-21 | 2001-12-26 | 周安善 | Milling cutter shape blade convex blade efficient universal twist-drill |
| CN1375373A (en) * | 2001-03-21 | 2002-10-23 | 周安善 | Efficient universal twist drill with two milling cutter edges and its sharpening method |
| US20090080989A1 (en) * | 2007-09-26 | 2009-03-26 | Credo Technology Corporation | Drill bit and reamer |
| CN202162422U (en) * | 2011-06-23 | 2012-03-14 | 无锡雨田精密工具有限公司 | Step twist drill |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2318072A (en) * | 1996-09-21 | 1998-04-15 | Plansee Tizit Gmbh | Masonry bit |
| CN102126039A (en) * | 2011-01-22 | 2011-07-20 | 李仕清 | Spiral cutter for composite positioned cutting |
| CN102581355A (en) * | 2012-03-27 | 2012-07-18 | 周安善 | Twist drill for drilling precision holes on high-strength and high-hardness alloy materials |
| CN202845871U (en) * | 2012-03-27 | 2013-04-03 | 周安善 | Twist drill for drilling precision holes on high-strength and high-hardness alloy materials |
-
2012
- 2012-03-27 CN CN2012100843588A patent/CN102581355A/en active Pending
-
2013
- 2013-03-25 WO PCT/CN2013/000344 patent/WO2013143348A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4605347A (en) * | 1982-12-27 | 1986-08-12 | Lockheed Missiles & Space Company, Inc. | High speed drill reamer |
| JPS63283809A (en) * | 1987-05-12 | 1988-11-21 | G N Tool Kk | Drill reamer with nicks |
| CN2467244Y (en) * | 2001-03-21 | 2001-12-26 | 周安善 | Milling cutter shape blade convex blade efficient universal twist-drill |
| CN1375373A (en) * | 2001-03-21 | 2002-10-23 | 周安善 | Efficient universal twist drill with two milling cutter edges and its sharpening method |
| US20090080989A1 (en) * | 2007-09-26 | 2009-03-26 | Credo Technology Corporation | Drill bit and reamer |
| CN202162422U (en) * | 2011-06-23 | 2012-03-14 | 无锡雨田精密工具有限公司 | Step twist drill |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013143348A1 (en) * | 2012-03-27 | 2013-10-03 | 北京迪蒙集智科技有限公司 | Twist drill for drilling fine holes on high-strength and high-hardness alloy material |
| CN103737073A (en) * | 2014-01-21 | 2014-04-23 | 华中科技大学 | Twist drill with grooved front tool faces and bent blades |
| CN103737073B (en) * | 2014-01-21 | 2017-06-16 | 华中科技大学 | The tortuous sword fluted drill of rake face trough of belt |
| CN106001708A (en) * | 2016-07-28 | 2016-10-12 | 山东大学 | Chip breaking drill bit with step edge type |
| JP2020533191A (en) * | 2017-09-15 | 2020-11-19 | ギューリング カーゲーＧｕｅｈｒｉｎｇ Ｋｇ | 4-flute drill |
| JP7304340B2 (en) | 2017-09-15 | 2023-07-06 | ギューリング カーゲー | 4-flute drill |
| CN111112700A (en) * | 2020-01-18 | 2020-05-08 | 江苏爵克数控刀具有限公司 | Strong chip dividing drill |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013143348A1 (en) | 2013-10-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102581355A (en) | Twist drill for drilling precision holes on high-strength and high-hardness alloy materials | |
| CN101524768B (en) | New minor-edge multipoint aerial drill | |
| CN204018808U (en) | A kind of drill bit for deep hole processing | |
| CN202539643U (en) | Combined drilling and reaming tool special for machining titanium alloy | |
| CN205967542U (en) | Integrative cutter of rimer | |
| CN205414589U (en) | Reamer in many steps of guide processing hole around area | |
| CN203171033U (en) | Multi-stage composite chamfering forming drill | |
| CN103128520B (en) | Machining method of deep-hole alloy reamer | |
| CN204053031U (en) | A kind of carbide alloy drilling reamer | |
| CN103658771B (en) | Machine holding carbide alloy treapanning drill | |
| CN207615716U (en) | A kind of compound drill bit capable of machining hole | |
| CN205764073U (en) | Bore ream one dagger to bore | |
| CN202845871U (en) | Twist drill for drilling precision holes on high-strength and high-hardness alloy materials | |
| CN203401121U (en) | Countersinking and reaming composite cutter for solid carbide drill | |
| CN110560753A (en) | Drilling and rolling combined forming cutter | |
| CN207508360U (en) | A kind of chip dividing drill head for processing cutting-resistant metal material | |
| CN202804285U (en) | Drilling and milling cutter with orifice chamfering function | |
| CN201320625Y (en) | Spiral drill reamer | |
| CN204975452U (en) | Optimize spot facing work drill bit of chip groove | |
| CN205129023U (en) | Drilling chamfer synthetics | |
| CN204770958U (en) | Tapering reamer | |
| CN208961069U (en) | It is a kind of to bore high-intensitive, high hardness alloy material essence hole fluted drill | |
| CN103658775A (en) | Blind hole combined drill reamer | |
| CN203711944U (en) | Durable drill | |
| CN103909299B (en) | Diamond drill bit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120718 |