CN101767228A - Polycrystalline diamond thread-forming tool - Google Patents
Polycrystalline diamond thread-forming tool Download PDFInfo
- Publication number
- CN101767228A CN101767228A CN 201010129501 CN201010129501A CN101767228A CN 101767228 A CN101767228 A CN 101767228A CN 201010129501 CN201010129501 CN 201010129501 CN 201010129501 A CN201010129501 A CN 201010129501A CN 101767228 A CN101767228 A CN 101767228A
- Authority
- CN
- China
- Prior art keywords
- polycrystalline diamond
- thread
- support arm
- forming tool
- tooth
- 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
Abstract
The invention relates to a polycrystalline diamond thread-forming tool in the technical field of mechanical manufacturing. The polycrystalline diamond thread-forming tool comprises a tool body, a supporting arm, a cooling hole, a plurality of blades and a flute, the supporting arm is fixed on the end of the tool body, the blades are symmetrically fixed on the supporting arm along the central axis of the supporting arm, one end of the flute is connected with the blades, the other end of the flute is connected with the supporting arm, and the cooling hole is arranged along the central axes of the tool body and the supporting arm, and is connected with the flute. The polycrystalline diamond thread-forming tool is mainly used to machine aluminium-silicon alloy at high speed, and solves the problems of the conventional rigid alloy tool, such as short service life, the easy tipping of the coated tool due to the stripping of the film and low machining efficiency, and moreover, high machined surface quality and machining precision can be achieved.
Description
Technical field
What the present invention relates to is a kind of cutter of machinery manufacturing technology field, in particular a kind of polycrystalline diamond thread-forming tool.
Background technology
At present, many automobile engines manufacturing enterprise more and more adopts silico-aluminum to substitute the cast iron housing part.Aspect manufacturing process, High-speed Machining Technology is also used fully in engine production enterprise, adopts high-performance fine grain cutting tool coated with hard alloy in a large number, and these cutters have higher intensity, matching coating can be processed under higher cutting speed again.
Silico-aluminum has in light weight, and excellent properties such as hardness, intensity height, wearability are good is widely used.But the machinability of such aluminium alloy is relatively poor, and particularly silicone content is higher than 12.6% alloy, and difficulty of processing is quite big.When cutting this class silico-aluminum, cutter alternately cuts soft aluminium base and hard silicon grain, if the hard alloy cutter of continuing to use in the past weares and teares and the generation built-up edge easily, machining accuracy is reduced, and finished surface worsens, and is difficult to realize high-quality production; If adopt cutting tool coated with hard alloy processing, can only adopt the coating material that does not contain aluminium element, otherwise the aluminium element in the coating material can with workpiece material generation affinity interaction, and cause cutter to produce tipping with disbonding.Therefore, be necessary to develop new cutter material.
PCD (Polycrystalline Diamond polycrystalline diamond) has advantages such as hardness height, thermal conductivity is good, thermal coefficient of expansion is low, cutting edge is sharp, being widely used in the high-speed cutting processing of nonmetallic materials and nonferrous materials, is the desirable cutter material of this silico-aluminum of processing.
Find through retrieval prior art, Chinese invention patent publication number: CN1404426A, denomination of invention: thread milling instrument with helical flute, this technology has a near-end shank and a far-end cutting portion, cutting portion comprises at least one thread milling tooth and around the pivot center spiral of instrument or at least one the directed chip area that spirals, the helical angle of thread milling tool is at least 20 °.The cutting tip of this thread milling tool is to adopt materials such as high-speed steel, spring steel, carbide alloy or tool steel to make, and is mainly used to machining screw on stainless steel work-piece, is not suitable for the processing to silicon aluminum alloy material.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of polycrystalline diamond thread-forming tool is provided, can carry out at a high speed, stable and Milling Process efficiently, and can produce short and small chip, avoided long smear metal in discharge process, to twine cutter and the swiping of machined surface has been destroyed surface quality of workpieces, can be implemented in cutting speed more than or equal to 10000 rev/mins cutting, improved the cutting ability and the working (machining) efficiency of cutter.
The present invention is achieved by the following technical solutions, the present invention includes: cutter hub, support arm, cooling hole, several blades and chip area, wherein: the end of cutter hub is fixed with support arm, blade is fixedly set on the support arm along the central axis symmetry of support arm, one end of chip area links to each other with blade, the other end links to each other with support arm, and the central axial direction of cutter hub and support arm is provided with the cooling hole, and the cooling hole links to each other with chip area.
Described blade is that polycrystalline diamond is made.
Described blade thickness is 1.6 ~ 3.2 millimeters.
Be provided with 8 ~ 10 cutters tooth that size is identical with shape with the parallel end of the central axis of support arm on the described blade.
Described cutter tooth comprises: cutting edge, rake face, back knife face and land, and wherein: rake face and back knife face intersect, and cutting edge is positioned on the intersection of rake face and back knife face, is provided with land between cutting edge and the back knife face.
Described cutter tooth is a form of thread, and its cross section is trapezoidal, and the tooth form angle is 60 °, half of thread angle is 30 ° ± 15 ', the pitch of adjacent cutter tooth is 1.5 ± 0.003 millimeters, and the crest height is 0.53 ~ 0.54 millimeter, and height is 0.44 ~ 0.45 millimeter at the bottom of the tooth.
Described cutting edge is provided with 8 ° ~ 12 ° relief angle.
The width of described land is 0.4 ~ 0.8 millimeter.
The axiality tolerance of the axis of thread of described cutter tooth and the central axis of cutter hub is 0.01 ~ 0.012 millimeter.
Described chip area is a straight trough, and its angle is 90 ° ~ 105 °.
The present invention has the following advantages compared to existing technology: the present invention is mainly used in the High-speed machining of alusil alloy, cutting speed improves 2 ~ 3 times than hard alloy cutter processing, make the thread tolerance level accuracy that processes bring up to 4 grades or higher by 6 grades, the workpiece surface quality that processes is better, and surface roughness is reduced to the Ra0.1 micron from the Ra0.8 micron.Problems such as it is short to have solved traditional hard alloy cutter life-span, and coated cutting tool is easy tipping because of rete peels off, and working (machining) efficiency is low, the straight trough of wide-angle can guarantee that chip removal is more smooth and easy in addition.
Description of drawings
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is the partial schematic diagram of blade;
Fig. 4 is the partial enlarged drawing of B among Fig. 3;
Fig. 5 is the partial enlarged drawing of cutter tooth.
The specific embodiment
Below embodiments of the invention are elaborated, present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As Fig. 1, Fig. 2 and shown in Figure 3, present embodiment comprises: cutter hub 1, support arm 2, cooling hole 3, two blades 4 and chip areas 5, wherein: the end of cutter hub 1 is fixed with support arm 2, two blades 4 are fixedly set on the support arm 2 along the central axis symmetry of support arm 2, one end of chip area 5 links to each other with blade 4, the other end links to each other with support arm 2, and the central axial direction of cutter hub 1 and support arm 2 is provided with cooling hole 3, and cooling hole 3 links to each other with chip area 5.
Described blade 4 is for PCD makes, and two blade 4 thickness h are all 3.2 millimeters mutually, and chip area 5 is straight troughs, and its angle is 105 °, and chip area 5 can guarantee that for the straight trough of wide-angle chip removal is more smooth and easy.Be provided with 10 cutters tooth 6 that size is identical with shape with the parallel end of the central axis of support arm 2 on the blade 4.
As shown in Figure 4, cutter tooth 6 comprises: cutting edge 7, back knife face 8, land 9 and rake face 10, and wherein: it is 9 ° that cutting edge 7 is provided with relief angle α, rake face 10 and back knife face 8 intersect, cutting edge 7 is positioned on the intersection of rake face 10 and back knife face 8, is provided with land 9 between cutting edge 7 and the back knife face 8.Grind rational relief angle on the cutting edge 7 and can guarantee higher cutter life, the land 9 that is provided with can play supporting, guiding, stablize the effect of working angles and weakening, also can produce " pressing " effect to machined surface, thereby can effectively reduce the roughness value of machined surface, improve the machining accuracy of screw thread, can be used for processing various internal and external screw threads.
As shown in Figure 5, cutter tooth 6 is a form of thread, and its cross section is trapezoidal, and the tooth form angle of cutter tooth 6 is 60 °, half of thread angle is 30 ° ± 15 ', the pitch of adjacent cutter tooth 6 is 1.5 ± 0.003 millimeters, and the crest height is 0.53 ~ 0.54 millimeter, and height is 0.44 ~ 0.45 millimeter at the bottom of the tooth.The width of land 9 is 0.4 millimeter, and the axiality tolerance of the central axis of the axis of thread of cutter tooth 6 and cutter hub 1 is 0.012 millimeter.
The screw thread specification of present embodiment processing is as follows: 22 millimeters of screw thread nominal diameters, 1.5 millimeters of pitch.Get out through hole earlier in first being processed, through-hole diameter is 20 millimeters, and the degree of depth of through hole is 10 millimeters.The milling parameter is as follows in the process: the speed of mainshaft is 10000 rev/mins, and feed speed is 1200 ~ 4800 mm/min.
In the present embodiment, blade 4 has four, is fixedly set on the support arm 2 along the central axis symmetry of support arm 2.
Described four blade 4 thickness h are all 1.6 millimeters mutually.Be provided with 8 cutters tooth 6 that size is identical with shape with the parallel end of the central axis of support arm 2 on the blade 4.Chip area 5 is straight troughs, and its angle is 90 °.
Described cutter tooth 6 comprises: cutting edge 7, rake face 10, back knife face 8 and land 9, wherein: it is 11 ° that cutting edge 7 is provided with relief angle α, rake face 10 and back knife face 8 intersect, and cutting edge 7 is positioned on the intersection of rake face 10 and back knife face 8, is provided with land 9 between cutting edge 7 and the back knife face 8.Other embodiments of present embodiment are identical with embodiment 1.
The screw thread specification of present embodiment processing is as follows: 27 millimeters of screw thread nominal diameters, 2 millimeters of pitch.Get out through hole earlier in first being processed, through-hole diameter is 20 millimeters, and the degree of depth of through hole is 10 millimeters.The milling parameter is as follows in the process: 12000 rev/mins of the speeds of mainshaft, feed speed 1200 ~ 4800 mm/min.
With respect to existing technical parameter, adopt superhard material PCD molding cutter machining screw on the silico-aluminum workpiece, cutting speed has improved 2 ~ 3 times, cutter life is elongated, working (machining) efficiency doubles, and unique cutter tooth geometry makes the thread tolerance level accuracy that processes bring up to 4 grades or higher by 6 grades, the workpiece surface quality that processes is better, and surface roughness is reduced to the Ra0.1 micron from the Ra0.8 micron.
Claims (8)
1. polycrystalline diamond thread-forming tool, comprise: cutter hub, support arm, several blades and chip area, it is characterized in that, also comprise: the cooling hole, wherein: the end of cutter hub is fixed with support arm, and blade is fixedly set on the support arm along the central axis symmetry of support arm, one end of chip area links to each other with blade, the other end links to each other with support arm, and the central axial direction of cutter hub and support arm is provided with the cooling hole, and the cooling hole links to each other with chip area;
Described blade is that polycrystalline diamond is made;
Described chip area is a straight trough, and its angle is 90 ° ~ 105 °.
2. polycrystalline diamond thread-forming tool according to claim 1 is characterized in that, described blade thickness is 1.6 ~ 3.2 millimeters.
3. polycrystalline diamond thread-forming tool according to claim 1 is characterized in that, is provided with 8 ~ 10 cutters tooth that size is identical with shape with the parallel end of the central axis of support arm on the described blade.
4. polycrystalline diamond thread-forming tool according to claim 3, it is characterized in that, described cutter tooth comprises: cutting edge, rake face, back knife face and land, wherein: rake face and back knife face intersect, cutting edge is positioned on the intersection of rake face and back knife face, is provided with land between cutting edge and the back knife face.
5. according to claim 4 or 3 described polycrystalline diamond thread-forming tools, it is characterized in that, described cutter tooth is a form of thread, its cross section is trapezoidal, the tooth form angle is 60 °, half of thread angle is 30 ° ± 15 ' and, the pitch of adjacent cutter tooth is 1.5 ± 0.003 millimeters, the crest height is 0.53 ~ 0.54 millimeter, and height is 0.44 ~ 0.45 millimeter at the bottom of the tooth.
6. polycrystalline diamond thread-forming tool according to claim 4 is characterized in that, described cutting edge is provided with 8 ° ~ 12 ° relief angle.
7. polycrystalline diamond thread-forming tool according to claim 4 is characterized in that, the width of described land is 0.4 ~ 0.8 millimeter.
8. according to claim 4 or 3 described polycrystalline diamond thread-forming tools, it is characterized in that the axiality tolerance of the axis of thread of described cutter tooth and the central axis of cutter hub is 0.01 ~ 0.012 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010129501 CN101767228A (en) | 2010-03-23 | 2010-03-23 | Polycrystalline diamond thread-forming tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010129501 CN101767228A (en) | 2010-03-23 | 2010-03-23 | Polycrystalline diamond thread-forming tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101767228A true CN101767228A (en) | 2010-07-07 |
Family
ID=42500412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010129501 Pending CN101767228A (en) | 2010-03-23 | 2010-03-23 | Polycrystalline diamond thread-forming tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101767228A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102000959A (en) * | 2010-11-19 | 2011-04-06 | 上海工具厂有限公司 | Manufacturing method of inner bore cooling polycrystalline diamond (PCD) thread high-speed forming cutter |
| CN103157857A (en) * | 2011-12-18 | 2013-06-19 | 沈阳黎明航空发动机(集团)有限责任公司 | Interference-fit thread processing method |
| CN105215446A (en) * | 2015-09-08 | 2016-01-06 | 创生医疗器械（中国）有限公司 | The processing method of milling cutter, formed threading tool, lock hole and lock hole |
| CN108581629A (en) * | 2018-04-28 | 2018-09-28 | 重庆长安汽车股份有限公司 | A kind of tool for chip-removal |
| CN112719376A (en) * | 2020-12-18 | 2021-04-30 | 盐城福海电子有限公司 | Cutting method for silicon-aluminum alloy TR component packaging shell |
| CN113351947A (en) * | 2021-06-30 | 2021-09-07 | 成都工具研究所有限公司 | Novel cutter of small pipe diameter screw thread processing chip removal |
| RU2768927C1 (en) * | 2018-08-16 | 2022-03-25 | Хартметалль-Веркцойгфабрик Пауль Хорн Гмбх | Threading milling tool |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87103520A (en) * | 1986-03-13 | 1988-07-27 | 底特津工具工业公司 | The method and apparatus of thread mill drilling |
| CN1159777A (en) * | 1994-09-06 | 1997-09-17 | 梅基诺公司 | Improved integral boring and threading tool and method |
| CN1219898A (en) * | 1996-05-28 | 1999-06-16 | 比特穆尔,俄勒冈－普通合伙 | Combination die and tap |
| CN1106901C (en) * | 1999-06-29 | 2003-04-30 | 塞科机床公司 | Thread-milling cutter and thread milling insert |
| CN101032772A (en) * | 2006-03-06 | 2007-09-12 | 埃莫克精密工具厂里查德格林普尔有限责任两合公司 | Combination tool with front notch |
| EP1864741A2 (en) * | 2006-06-09 | 2007-12-12 | EMUGE-Werk Richard Glimpel GmbH & Co.KG Fabrik für Präzisionswerkzeuge | Tool for machining a workpiece, cutting element and carrier piece |
| CN201201082Y (en) * | 2008-04-25 | 2009-03-04 | 潘端明 | Combined type tool bit for processing screwed hole |
-
2010
- 2010-03-23 CN CN 201010129501 patent/CN101767228A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87103520A (en) * | 1986-03-13 | 1988-07-27 | 底特津工具工业公司 | The method and apparatus of thread mill drilling |
| CN1159777A (en) * | 1994-09-06 | 1997-09-17 | 梅基诺公司 | Improved integral boring and threading tool and method |
| CN1219898A (en) * | 1996-05-28 | 1999-06-16 | 比特穆尔,俄勒冈－普通合伙 | Combination die and tap |
| CN1106901C (en) * | 1999-06-29 | 2003-04-30 | 塞科机床公司 | Thread-milling cutter and thread milling insert |
| CN101032772A (en) * | 2006-03-06 | 2007-09-12 | 埃莫克精密工具厂里查德格林普尔有限责任两合公司 | Combination tool with front notch |
| EP1864741A2 (en) * | 2006-06-09 | 2007-12-12 | EMUGE-Werk Richard Glimpel GmbH & Co.KG Fabrik für Präzisionswerkzeuge | Tool for machining a workpiece, cutting element and carrier piece |
| CN201201082Y (en) * | 2008-04-25 | 2009-03-04 | 潘端明 | Combined type tool bit for processing screwed hole |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102000959A (en) * | 2010-11-19 | 2011-04-06 | 上海工具厂有限公司 | Manufacturing method of inner bore cooling polycrystalline diamond (PCD) thread high-speed forming cutter |
| CN103157857A (en) * | 2011-12-18 | 2013-06-19 | 沈阳黎明航空发动机(集团)有限责任公司 | Interference-fit thread processing method |
| CN103157857B (en) * | 2011-12-18 | 2015-12-09 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of interference thread processing method |
| CN105215446A (en) * | 2015-09-08 | 2016-01-06 | 创生医疗器械（中国）有限公司 | The processing method of milling cutter, formed threading tool, lock hole and lock hole |
| CN108581629A (en) * | 2018-04-28 | 2018-09-28 | 重庆长安汽车股份有限公司 | A kind of tool for chip-removal |
| RU2768927C1 (en) * | 2018-08-16 | 2022-03-25 | Хартметалль-Веркцойгфабрик Пауль Хорн Гмбх | Threading milling tool |
| CN112719376A (en) * | 2020-12-18 | 2021-04-30 | 盐城福海电子有限公司 | Cutting method for silicon-aluminum alloy TR component packaging shell |
| CN113351947A (en) * | 2021-06-30 | 2021-09-07 | 成都工具研究所有限公司 | Novel cutter of small pipe diameter screw thread processing chip removal |
| CN113351947B (en) * | 2021-06-30 | 2023-03-31 | 成都工具研究所有限公司 | Novel cutter of small pipe diameter screw thread processing chip removal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101767228A (en) | Polycrystalline diamond thread-forming tool | |
| CN105563665B (en) | Diamond-coated tools and preparation method and its application in graphite High-speed machining | |
| CN102211218B (en) | Diamond coated cutter and application thereof in processing of fiber composite material | |
| CN205167262U (en) | Be applied to diamond coated cutting tool among graphite high -speed machining | |
| JP2012086286A (en) | Thread milling cutter for machining high hardness material | |
| CN111230195A (en) | Ball-end milling cutter | |
| CN105290470B (en) | The milling method of graphene aluminum matrix composite | |
| CN214392488U (en) | Annular cutter for drilling composite material | |
| WO2021197215A1 (en) | Blank body, and cutting tool having front cutter face made of helical superhard material | |
| CN111168133A (en) | Integral zirconia ceramic forming milling cutter for graphite processing | |
| CN102717342A (en) | Milling and grinding tool capable of realizing high-efficient machining of inorganic composite material | |
| CN217492832U (en) | Taper ball head rough milling cutter for aluminum alloy impeller | |
| CN113695653B (en) | Ball end milling cutter | |
| CN214517800U (en) | Taper milling cutter for worm machining | |
| CN206382607U (en) | A kind of diamond screw-on cutter | |
| CN109128325A (en) | Ball knife | |
| CN205496656U (en) | Fluted drill oil slot mill | |
| CN112828368A (en) | Taper milling cutter for worm machining | |
| CN211889175U (en) | Integral zirconia ceramic forming milling cutter for graphite processing | |
| CN207900316U (en) | A kind of hard alloy processing rose cutter | |
| CN112958820A (en) | Unequal helix angle end mill with gradually increased core thickness | |
| CN214238909U (en) | Ball end milling cutter | |
| CN215615404U (en) | Hole milling and thread milling composite cutter | |
| CN212682540U (en) | Cutter for machining main valve core hole of hydraulic valve | |
| CN209867497U (en) | PCD corn grain milling cutter based on HSK63 standard cutter handle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20100707 |