CN104439342B - The chip breaker of a kind of high-speed steel bit and processing method thereof - Google Patents
The chip breaker of a kind of high-speed steel bit and processing method thereof Download PDFInfo
- Publication number
- CN104439342B CN104439342B CN201410577034.7A CN201410577034A CN104439342B CN 104439342 B CN104439342 B CN 104439342B CN 201410577034 A CN201410577034 A CN 201410577034A CN 104439342 B CN104439342 B CN 104439342B
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- CN
- China
- Prior art keywords
- lathe tool
- cutting edge
- projection
- speed steel
- rake face
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/22—Cutting tools with chip-breaking equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
- B23P15/30—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools lathes or like tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2200/00—Details of cutting inserts
- B23B2200/32—Chip breaking or chip evacuation
- B23B2200/321—Chip breaking or chip evacuation by chip breaking projections
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses chip breaker and the processing method thereof of a kind of high-speed steel bit, feature is to include the projection of strip, projection passes through laser powder cladding on the rake face of lathe tool, the length direction of projection is paralleled with the main cutting edge of lathe tool, the median plane of the length direction of projection is 0.5～2mm to the vertical dimension of lathe tool main cutting edge, the front end of projection is 0.5～3mm to the vertical dimension of lathe tool front cutting edge, a length of the 4 of projection～10mm, bottom width be 0.6～2.0mm, height be 0.5～1.5mm, the bottom width of projection is more than height；Advantage is owing to chip breaker is formed on the rake face of lathe tool by laser powder cladding, and its processing is simple, quick, and chip breaking is effective, and easily removes and again manufacture, and only need to abrade chip breaker, and cladding the most again with emery wheel.
Description
Technical field
The present invention relates to the lathe tool for machining, particularly relate to chip breaker and the processing method thereof of a kind of high-speed steel bit.
Background technology
High-speed steel bit is usually used in the turnery processing of metal material.Often producing continuous chip during turnery processing, chip can be wound on workpiece, the manufactured surface of the work of scratch；Also can be wound on lathe tool, accelerate abrasion and the breakage of lathe tool；Meanwhile, long long chip also security presence hidden danger to operator.At present, conventional chip breaking method is to grind chip-breaker on the rake face of high-speed steel bit, but this chip-breaker is the most manual to be ground, and chip breaking effect is unstable, also can affect the follow-up number of times of refacing of high-speed steel bit.Also has plenty of additional special chip breaking device on lathe tool or knife rest, such as: chip-breaking or chip breaking baffle plate.But chip breaking device is installed and generally requires the cantilevered length increasing knife bar, it reduce the rigidity of cutter, have impact on the machining accuracy of workpiece, and, after lathe tool is refaced, in addition it is also necessary to readjust the position of chip breaking device.Also has plenty of the chip breaker utilizing abrasive machine that projection is ground on the rake face of high-speed steel bit, the Production Time length of this chip breaker, cutter material removing amount big, and after lathe tool is refaced, need again again to grind on the rake face of lathe tool new chip breaker, cause the waste of high-speed steel bit material.
Summary of the invention
The technical problem to be solved is to provide a kind of processes simple and quick, to remove high-speed steel bit that is convenient and that can save cutter material chip breaker and processing method thereof.
The present invention solves the technical scheme that above-mentioned technical problem used: the chip breaker of a kind of high-speed steel bit, projection including strip, described projection passes through laser powder cladding on the rake face of lathe tool, the length direction of described projection is paralleled with the main cutting edge of lathe tool, the median plane of the length direction of described projection is 0.5～2mm to the vertical dimension of described lathe tool main cutting edge, the front end (i.e. near one end of Lathe tool tip) of described projection is 0.5～3mm to the vertical dimension of lathe tool front cutting edge, a length of the 4 of described projection～10mm, bottom width is 0.6～2.0mm, it is highly 0.5～1.5mm, the bottom width of described projection is more than height.
The material of described projection is tungsten carbide or aluminium oxide.
The front end of described projection is arc surface, and chip can be made to roll and chip breaking smoothly.
The cross section of described projection is arc.
Described projection is a whole piece or the convex-segment by 2～3 spacer segments forms, and is spaced apart 2～4mm between two adjacent convex-segment.
The processing method of the chip breaker of described a kind of high-speed steel bit, including step in detail below:
(1), with the rake face of sand papering high-speed steel bit, and with acetone wiping rake face；
(2), binding agent is made by tungsten carbide or alumina powder furnishing pasty state with the water glass solution that mass concentration is 10%, and pasty state powder is coated on the rake face of lathe tool along the main cutting edge of lathe tool, formed a thickness be 0.5～2.5mm, width be 3～5mm and with the tungsten-carbide powder of the main cutting edge equal length of lathe tool or alumina powder coated；
(3), the high-speed steel bit that is coated with tungsten-carbide powder or alumina powder coated be positioned in drying baker, at a temperature of 60～70 DEG C, be dried 1～2 hours, take out；
(4), high-speed steel bit is placed on the numerical control table, NC table of laser machine, the bottom surface making lathe tool contacts with numerical control table, NC table, and fix lathe tool with fixture, then moving the position of numerical control table, NC table, in adjustment laser machine, the hot spot center of circle of laser instrument is 0.5～2mm with the vertical dimension of lathe tool main cutting edge and the vertical dimension of lathe tool front cutting edge is 0.5～3mm；
(5), the laser power adjusting laser machine is 80～250W, spot diameter is 0.6～1.2mm, the translational speed of numerical control table, NC table is 2～8mm/s, and make the moving direction of numerical control table, NC table parallel with the main cutting edge of lathe tool, then laser instrument carries out laser melting coating to the powder coated on rake face of turning cutter, control numerical control table, NC table and move 4～10mm, after cladding terminates, remove powder unnecessary on rake face of turning cutter, obtain a whole piece a length of 4～10mm, bottom width is 0.6～2.0mm, it it is highly the strip projection of 0.5～1.5mm, and the median plane of the length direction of projection to the vertical dimension of lathe tool main cutting edge is 0.5～2mm, the front end of projection is 0.5～3mm to the vertical dimension of lathe tool front cutting edge.
When needing the projection that cladding is made up of on the rake face of lathe tool the convex-segment of 2～3 spacer segments, as long as in the laser melting coating of above-mentioned steps (5) is processed, after the numerical control table, NC table of laser machine moves the distance of convex-segment length, close laser instrument, reopen laser instrument after then numerical control table, NC table is spaced apart needed for moving and carry out laser melting coating.
Compared with prior art, it is an advantage of the invention that owing to chip breaker is formed on the rake face of lathe tool by laser powder cladding, its processing is simple, quickly, chip breaking is effective, and easily remove and again manufacture, only need to abrade chip breaker, and cladding the most again with emery wheel；And when high-speed steel bit is because abrasion is after needs reface, it is not necessary to again grind chip breaker or chip-breaker, without adjusting the position of traditional additional chip breaking device, only need to re-start laser powder cladding chip breaker on the rake face of lathe tool, cutter material can be saved.
Accompanying drawing explanation
Fig. 1 is the front view of the embodiment of the present invention one；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the top view of the embodiment of the present invention two.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
Embodiment one: as shown in the figure, a kind of chip breaker of high-speed steel bit, projection 1 including a whole piece strip, the material of projection 1 is tungsten carbide and passes through laser powder cladding on the rake face 3 of lathe tool 2, the cross section of projection 1 is arc, and front end is arc surface, the length direction of projection 1 is paralleled with the main cutting edge 4 of lathe tool 2, vertical dimension D of median plane 11 to the lathe tool main cutting edge 4 of the length direction of projection 1 is 0.5mm, the front end of projection 1 is 1mm to vertical dimension M of lathe tool front cutting edge 5, length L of projection 1 is 5mm, bottom width is 0.8mm, it is highly 0.5mm.
The processing method of the chip breaker of above-mentioned high-speed steel bit, including step in detail below:
(1), with the rake face 3 of sand papering high-speed steel bit 2, and with acetone wiping rake face 3；
(2), binding agent is made by tungsten carbide or alumina powder furnishing pasty state with the water glass solution that mass concentration is 10%, and pasty state powder is coated on the rake face 3 of lathe tool along the main cutting edge 4 of lathe tool 2, formed a thickness be 1.0mm, width be 3mm and with the tungsten-carbide powder of main cutting edge 4 equal length of lathe tool or alumina powder coated；
(3), the high-speed steel bit 2 that is coated with tungsten-carbide powder or alumina powder coated be positioned in drying baker, be dried 1 hour at a temperature of 65 DEG C, take out；
(4), high-speed steel bit is placed on the numerical control table, NC table of laser machine, the bottom surface making lathe tool 2 contacts with numerical control table, NC table, and fix lathe tool 2 with fixture, then moving the position of numerical control table, NC table, adjusting the hot spot center of circle of laser instrument and the vertical dimension that vertical dimension is 0.5mm and lathe tool front cutting edge 5 of lathe tool main cutting edge 4 in laser machine is 1mm；
(5), the laser power adjusting laser machine is 100W, spot diameter is 0.6mm, the translational speed of numerical control table, NC table is 5mm/s, and make the moving direction of numerical control table, NC table parallel with the main cutting edge 4 of lathe tool, then laser instrument carries out laser melting coating to the powder coated on rake face of turning cutter 3, control numerical control table, NC table and move 5mm, after cladding terminates, remove powder unnecessary on rake face of turning cutter 3, obtain an a length of 5mm of whole piece, bottom width is 0.8mm, it it is highly the strip projection 1 of 0.5mm, and vertical dimension D of median plane 11 to the lathe tool main cutting edge 4 of the length direction of projection 1 is 0.5mm, the front end of projection 1 is 1mm to vertical dimension M of lathe tool front cutting edge 5.
Embodiment two: as shown in the figure, a kind of chip breaker of high-speed steel bit, projection including strip, projection is made up of the convex-segment 6 of 2 spacer segments, the material of convex-segment 6 is aluminium oxide and passes through laser powder cladding on the rake face 3 of lathe tool 2, the cross section of convex-segment 6 is arc, and front end is arc surface, the length direction of convex-segment 6 is paralleled with the main cutting edge 4 of lathe tool 2, vertical dimension D of median plane 11 to the lathe tool main cutting edge 4 of the length direction of convex-segment 6 is 1mm, the front end of the convex-segment 6 of close Lathe tool tip is 2mm to vertical dimension M of lathe tool front cutting edge 5, before and after two sections of convex-segment 6, the total length L between two ends is 10mm, bottom width is 1.6mm, it is highly 1.2mm, interval H between two convex-segment 6 is 4mm.
The processing method of the chip breaker of above-mentioned high-speed steel bit, including step in detail below:
(1), with the rake face 3 of sand papering high-speed steel bit 2, and with acetone wiping rake face 3；
(2), binding agent is made by tungsten carbide or alumina powder furnishing pasty state with the water glass solution that mass concentration is 10%, and pasty state powder is coated on the rake face 3 of lathe tool along the main cutting edge 4 of lathe tool 2, formed a thickness be 1.5mm, width be 4mm and with the tungsten-carbide powder of main cutting edge 4 equal length of lathe tool or alumina powder coated；
(3), the high-speed steel bit 2 that is coated with tungsten-carbide powder or alumina powder coated be positioned in drying baker, be dried 2 hours at a temperature of 60 DEG C, take out；
(4), high-speed steel bit is placed on the numerical control table, NC table of laser machine, the bottom surface making lathe tool 2 contacts with numerical control table, NC table, and fix lathe tool 2 with fixture, then moving the position of numerical control table, NC table, adjusting the hot spot center of circle of laser instrument and the vertical dimension that vertical dimension is 1mm and lathe tool front cutting edge 5 of lathe tool main cutting edge 4 in laser machine is 2mm；
null(5)、The laser power adjusting laser machine is 160W、Spot diameter is 1.0mm、The translational speed of numerical control table, NC table is 3mm/s，And make the moving direction of numerical control table, NC table parallel with lathe tool main cutting edge 4，Then laser instrument carries out laser melting coating to the powder coated on rake face of turning cutter 3，Control to close laser instrument after numerical control table, NC table moves 3mm，Then reopen laser instrument after numerical control table, NC table moves 4mm and carry out laser melting coating 3mm，After cladding terminates，Remove powder unnecessary on rake face of turning cutter 3，Obtain the projection being made up of the convex-segment 6 of two spacer segments，Vertical dimension D of median plane 11 to the lathe tool main cutting edge 4 of the length direction of convex-segment 6 is 1mm，The front end of the convex-segment 6 of close Lathe tool tip is 2mm to vertical dimension M of lathe tool front cutting edge 5，Before and after two sections of convex-segment 6, the total length L between two ends is 10mm、Bottom width is 1.6mm、It is highly 1.2mm，Interval H between two convex-segment 6 is 4mm.
Embodiment three: other structure is with embodiment two, and difference is that projection is made up of the convex-segment 6 of 3 spacer segments, and before and after three sections of convex-segment 6, the total length L between two ends is 10mm, and the interval H between adjacent two convex-segment 6 is 2mm.
Claims (4)
1. the chip breaker of a high-speed steel bit, it is characterized in that including the projection of strip, the material of described projection is tungsten carbide or aluminium oxide, described projection passes through laser powder cladding on the rake face of lathe tool, the front end of described projection is arc surface, the length direction of described projection is paralleled with the main cutting edge of lathe tool, the median plane of the length direction of described projection is 0.5～2mm to the vertical dimension of described lathe tool main cutting edge, the front end of described projection is 0.5～3mm to the vertical dimension of lathe tool front cutting edge, a length of the 4 of described projection～10mm, bottom width is 0.6～2.0mm, it is highly 0.5～1.5mm, the bottom width of described projection is more than height.
The chip breaker of a kind of high-speed steel bit the most as claimed in claim 1, it is characterised in that the cross section of described projection is arc.
The chip breaker of a kind of high-speed steel bit the most as claimed in claim 1, it is characterised in that described projection is a whole piece or the convex-segment by 2～3 spacer segments forms, is spaced apart 2～4mm between two adjacent convex-segment.
The processing method of the chip breaker of a kind of high-speed steel bit the most as claimed in claim 1, it is characterised in that include step in detail below:
(1), with the rake face of sand papering high-speed steel bit, and with acetone wiping rake face；
(2), binding agent is made by tungsten carbide or alumina powder furnishing pasty state with the water glass solution that mass concentration is 10%, and pasty state powder is coated on the rake face of lathe tool along the main cutting edge of lathe tool, formed a thickness be 0.5～2.5mm, width be 3～5mm and with the tungsten-carbide powder of the main cutting edge equal length of lathe tool or alumina powder coated；
(3), the high-speed steel bit that is coated with tungsten-carbide powder or alumina powder coated be positioned in drying baker, at a temperature of 60～70 DEG C, be dried 1～2 hours, take out；
(4), high-speed steel bit is placed on the numerical control table, NC table of laser machine, the bottom surface making lathe tool contacts with numerical control table, NC table, and fix lathe tool with fixture, then moving the position of numerical control table, NC table, in adjustment laser machine, the hot spot center of circle of laser instrument is 0.5～2mm with the vertical dimension of lathe tool main cutting edge and the vertical dimension of lathe tool front cutting edge is 0.5～3mm；
(5), the laser power adjusting laser machine is 80～250W, spot diameter is 0.6～1.2mm, the translational speed of numerical control table, NC table is 2～8mm/s, and make the moving direction of numerical control table, NC table parallel with the main cutting edge of lathe tool, then laser instrument carries out laser melting coating to the powder coated on rake face of turning cutter, control numerical control table, NC table and move 4～10mm, after cladding terminates, remove powder unnecessary on rake face of turning cutter, obtain a whole piece a length of 4～10mm, bottom width is 0.6～2.0mm, it it is highly the strip projection of 0.5～1.5mm, and the median plane of the length direction of projection to the vertical dimension of lathe tool main cutting edge is 0.5～2mm, the front end of projection is 0.5～3mm to the vertical dimension of lathe tool front cutting edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410577034.7A CN104439342B (en) | 2014-10-24 | 2014-10-24 | The chip breaker of a kind of high-speed steel bit and processing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410577034.7A CN104439342B (en) | 2014-10-24 | 2014-10-24 | The chip breaker of a kind of high-speed steel bit and processing method thereof |
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| Publication Number | Publication Date |
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| CN104439342A CN104439342A (en) | 2015-03-25 |
| CN104439342B true CN104439342B (en) | 2016-08-17 |
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| CN201410577034.7A Expired - Fee Related CN104439342B (en) | 2014-10-24 | 2014-10-24 | The chip breaker of a kind of high-speed steel bit and processing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109014259B (en) * | 2018-08-22 | 2024-06-07 | 宁波大学 | Manufacturing method of chip breaking device of PCD cutter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201333535Y (en) * | 2009-01-14 | 2009-10-28 | 杨兆斌 | Novel combined lathe cutter |
| CN201913261U (en) * | 2010-12-07 | 2011-08-03 | 浙江今飞凯达轮毂有限公司 | Automated chip-breaking diamond knife |
| CN203197288U (en) * | 2013-04-22 | 2013-09-18 | 无锡蠡湖叶轮制造有限公司 | Slotting cutter capable of breaking chips |
| CN204209149U (en) * | 2014-10-24 | 2015-03-18 | 宁波大学 | A kind of chip breaker of high-speed steel bit |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08118113A (en) * | 1994-10-21 | 1996-05-14 | Sumitomo Electric Ind Ltd | Cutting tool with chip breaker |
| WO2013134397A1 (en) * | 2012-03-06 | 2013-09-12 | Kondex Corporation | Laser clad cutting edge for agricultural cutting components |
-
2014
- 2014-10-24 CN CN201410577034.7A patent/CN104439342B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201333535Y (en) * | 2009-01-14 | 2009-10-28 | 杨兆斌 | Novel combined lathe cutter |
| CN201913261U (en) * | 2010-12-07 | 2011-08-03 | 浙江今飞凯达轮毂有限公司 | Automated chip-breaking diamond knife |
| CN203197288U (en) * | 2013-04-22 | 2013-09-18 | 无锡蠡湖叶轮制造有限公司 | Slotting cutter capable of breaking chips |
| CN204209149U (en) * | 2014-10-24 | 2015-03-18 | 宁波大学 | A kind of chip breaker of high-speed steel bit |
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| CN104439342A (en) | 2015-03-25 |
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Granted publication date: 20160817 Termination date: 20191024 |