CN102873379B - Abrasion-resistant counter sinking cutter - Google Patents
Abrasion-resistant counter sinking cutter Download PDFInfo
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- CN102873379B CN102873379B CN201210320833.7A CN201210320833A CN102873379B CN 102873379 B CN102873379 B CN 102873379B CN 201210320833 A CN201210320833 A CN 201210320833A CN 102873379 B CN102873379 B CN 102873379B
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- cutting edge
- major cutting
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Abstract
The invention discloses an abrasion-resistant counter sinking cutter, which comprises a cylindrical cutter handle and a cutter bar; a rectangular main blade fixing groove is formed in the middle of the lower end face of the cutter bar; a first L-shaped gap is formed on the lower end face of the cutter bar and positioned on each of two sides of the main blade fixing groove; a main blade is arranged in the main blade fixing groove; a main cutting edge gradually approaches to the axis of the cutter bar from the outer side of the main blade to the center of the main blade so as to form an inclined shape; a second L-shaped gap extending axially along the cutter bar and communicated with the main blade fixing groove is formed on each of two sides of the lower end face of the cutter bar and is close to the main cutting edge, so that a chip removal groove of the main cutting edge is formed; a secondary blade is arranged on a lateral surface of each first L-shaped gap; an end cutting edge is formed at the end of each secondary blade; a lateral cutting edge is formed on the outer lateral surface of each secondary blade; and the end cutting edges are 0.1 to 0.2 millimeter shorter than the main cutting edge in the axial direction. According to the cutter, the service lives of the cutting edges are long; the size precision of the cutter is high; the cutter bar has high strength; and the cutter is high in cutting efficiency and easy and convenient to manufacture, install and maintain.
Description
Technical field
The present invention relates to a kind of machine tool, be specifically related to a kind of cutter for spot-facing.
Background technology
Spot-facing refers to processes counter sink, boss section on the hole having processed, or process base plane etc. in the blind hole of having processed, spot-facing processing is different from general Milling Process, in Milling Process, cutter fix axle rotatablely moving and upper and lower lifting, the workpiece being fixed on workbench can do horizontal and vertical motion in horizontal plane, thereby processes certain shape.And in spot-facing processing, workpiece is fixed, the cutter only rotating feeding in the vertical direction completes the processing of base plane in counter sink, boss section or blind hole.Thereby it is simple to have procedure, to the features such as low that require of lathe.Common spot-facing cutter comprises the lead at the handle of a knife being connected with the clamping device of lathe, the knife bar that is connected to handle of a knife lower end, the cutting edge that is arranged on knife bar lower end and middle part, knife bar lower end, the diameter adaptation of the diameter of lead and machining hole, like this, in the time of spot-facing, lead is plugged on and positions in machining hole, thereby can improve counter sink and the axiality between machining hole.For example, disclosed in Chinese patent literature " a kind of spot-facing cutter ", Granted publication number is CN201848603U, is mainly made up of lead, cutting edge, drill bit knife bar, fairlead, fairlead is fastened on lead.It is applicable to process counter sink, and fairlead is conducive in process, avoid the damage to own machining hole side, and ensures counter sink positional precision.But process base plane in the blind hole that this type of spot-facing cutter is not adapted at having processed, in the time needing the bottom surface of the flat processing blind hole of ream, a kind of easy method is the end of fluted drill cutting edge to be polished and again ground cutting edge, that this type of spot-facing cutter has advantages of is easy to make, cost is low, because whole cutter is structure as a whole, blade adopts identical material with knife bar, therefore cutting edge easily weares and teares, and cutting edge is normally by hand grinding, precision is not high, is therefore only applicable on a small quantity to the flat processing of the ream of the not high blind hole of requirement on machining accuracy.
Summary of the invention
The object of the invention is in order to solve existing for the flat problem that the existing cutting edge of cutter is easy to wear, service life is short and precision is not high of processing blind hole bottom surface of ream, a kind of anti abrasive spot-facing cutter is provided, blade and knife bar combine by splicing construction, thereby can greatly improve the service life of blade, and be conducive to improve its precision size.
To achieve these goals, the present invention is by the following technical solutions: a kind of anti abrasive spot-facing cutter, comprise columniform handle of a knife, knife bar, middle part, described knife bar lower surface is provided with the main blade holddown groove of rectangle, main blade holddown groove connects knife bar both sides, and be positioned at main blade holddown groove both sides is respectively equipped with along axially extended the first L shaped breach of knife bar in knife bar lower surface, main blade holddown groove and two the first L shaped breach shape that is all centrosymmetric taking knife bar axle center as symmetrical centre, in described main blade holddown groove, be provided with main blade, main blade end is centrosymmetric and is provided with major cutting edge in length direction both sides, the major cutting edge of both sides is positioned at same plane, thereby major cutting edge is progressively skewed near knife bar axle center by main blade outside to main blade center, also be respectively equipped with near major cutting edge place the second L shaped breach that extends axially and be communicated with main blade holddown groove along knife bar in both sides, knife bar lower surface, thereby form the chip area of major cutting edge, a side of the first L shaped breach is provided with auxiliary-blade, the end of auxiliary-blade is provided with end blade, the lateral surface of auxiliary-blade is provided with side tool sword, the end blade of two auxiliary-blades is positioned at same plane, and end blade is in the axial direction than the short 0.1-0.2 millimeter of major cutting edge.
In order to improve the service life of spot-facing cutter, the present invention makes main blade and auxiliary-blade the Split type structure of inlaid type, like this, major and minor blade can adopt different materials and different Technologies for Heating Processing from knife bar, thereby can guarantee requirement and the major and minor blade requirement to hardness of knife bar to intensity, toughness, and also facilitate the processing and manufacturing of cutting edge simultaneously.In the present invention, the effect of auxiliary-blade is mainly to utilize side tool sword cutting preprocessing hole sidewall, due in the time that multiple cutting edges cut preprocessing hole bottom surface simultaneously, can be because there is groove phenomenon in bottom surface in the error of the shape and size such as each cutting edge height, affect the smooth of bottom surface, therefore, in the present invention, the end blade of auxiliary-blade is in the axial direction than the short 0.1-0.2 millimeter of the major cutting edge of main blade, that is to say, when the bottom of major cutting edge and preprocessing hole rigidly connect touch time, end blade does not touch with the bottom connection of preprocessing hole, when spot-facing cutter rotates while during vertically progressively to lower feeding, end blade on auxiliary-blade jointly participates in the bottom surface of the flat preprocessing hole of ream together with major cutting edge, thereby play an assisted machining effect, like this, the power of bearing on each blade will reduce widely, when spot-facing cutter is in the time that axial feeding arrival requires, be rotated further spot-facing cutter, can utilize major cutting edge that complete the bottom surface of preprocessing hole ream is flat, complete last cutting finishing, end blade is now inoperative, thereby can effectively avoid the appearance of groove phenomenon, especially, main blade is integrative-structure, thereby be conducive to guarantee that two major cutting edges of its lower end are adding the glacing flatness in man-hour and the uniformity of height, major cutting edge and auxiliary-blade balance knife bar stressed effectively in addition that arrange are centrosymmetric, vibrations while reducing to cut, improve the service life of knife bar.
Further, for smooth bottom surface of ream, its length for the blade that cuts must be more than or equal to the radius of preprocessing hole, and blade must pass through the namely centre of gyration of blade of knife bar axle center, if blade departs from knife bar axle center, and in blade direction of rotation, be positioned at rear, how long edge length is all by the boss that stays the next one to cut at the center of bottom surface; When blade departs from knife bar axle center, and be positioned at front in blade direction of rotation, the center of bottom surface still cannot be cut, but by blade axial compression moulding.In order to reduce extruding force as far as possible, blade departs from forward the distance in knife bar axle center should be as far as possible little, in the prior art, two major cutting edges also can adopt Split type structure conventionally as auxiliary-blade, therefore, its blade must depart from the axle center of knife bar when mounted, like this, on knife bar, be positioned at can correspondingly reducing for the thickness of fixing main blade part of main blade below, thereby weaken the intensity of knife bar.The present invention is arranged on two major cutting edges on the main blade of one, like this center of main blade can with the axis coinciding of knife bar, ensureing same thickness in the situation that, can correspondingly increase the thickness for fixing main blade part on knife bar.Particularly, because thereby major cutting edge is progressively skewed near knife bar axle center by main blade outside to main blade center, thereby can reduce significantly the distance between two major cutting edges and knife bar axle center, axial compression power while greatly reducing spot-facing, and the cutting direction that major cutting edge is major cutting edge with rotation direction can keep substantially vertical, thereby be conducive to improve the stock-removing efficiency of major cutting edge.
As preferably, both sides major cutting edge is parallel to each other, and the vertical range between major cutting edge is 1.2-1.8 millimeter, and both sides major cutting edge forms the stack section that a length is 1-3 millimeter after extending to the axle center place of knife bar.After spot-facing cutter in use progressively weares and teares, vertical range between major cutting edge can progressively reduce, therefore is set the service life that rational vertical range had both been conducive to extend main blade, axial extruding force can be controlled to less scope again, the segment length that reasonably superposes can be guaranteed smooth bottom surface of ream, makes major cutting edge have enough intensity simultaneously.
As preferably, between two major cutting edges, be provided with chisel edge, described chisel edge is through knife bar axle center and perpendicular to major cutting edge.Because the major cutting edge of both sides and middle chisel edge are connected as a single entity, thereby axial compression power can reduce spot-facing time, particularly, can form two centrosymmetric rear knife faces at main blade end face, to facilitate the processing of each blade on main blade.
As preferably, described the first L shaped breach is provided with a lateral vertical of auxiliary-blade in main blade, its another side is parallel to main blade, thereby the end blade of two auxiliary-blades is by being progressively skewed near knife bar axle center in auxiliary-blade lateral, and the vertical range between end blade and knife bar axle center is 0.1-0.2 millimeter.Because the end blade of auxiliary-blade is by being progressively skewed near knife bar axle center in auxiliary-blade lateral, can make the position of auxiliary-blade lean in blade direction of rotation forward as far as possible, thereby on increase knife bar for the thickness of fixed joint blade section, be conducive to improve the intensity of knife bar, and the distance between the end blade and the knife bar axle center that keep can dwindling under identical blade thickness both sides, making end blade and rotation direction is that the cutting direction of end blade is substantially vertical, thereby is conducive to improve the stock-removing efficiency of end blade.
As preferably, described knife bar is being provided with outward extending cylindrical tool rest integratedly with handle of a knife junction, lateral vertical crossing with main blade in the second L shaped breach is in main blade, the bottom surface of the second L shaped breach is positioned on cylindrical tool rest, and is provided with curved guiding surface between bottom surface and the side perpendicular to main blade.Cylindrical tool rest is conducive to improve the bonding strength of knife bar and handle of a knife, in addition, the major cutting edge of main blade is in the time carrying out the cutting of bottom surface, smear metal meeting is upwards discharged perpendicular to the side of main blade on the second L shaped breach, curved guiding surface can make smear metal successfully be discharged to outside knife bar, avoid smear metal again to fall in machining hole and result in blockage behind the bottom surface of encountering the second L shaped breach downwards, thereby can guarantee the fineness of machining hole.
As preferably, the bottom surface of described the first L shaped breach is positioned on cylindrical tool rest, and in bottom surface be parallel between the side of main blade and be provided with curved guiding surface.The end blade of auxiliary-blade is in the time carrying out the cutting of bottom surface, smear metal meeting is upwards discharged along the side that is parallel to main blade on the first L shaped breach, curved guiding surface can make smear metal successfully be discharged to outside knife bar, avoid smear metal again to fall in machining hole and result in blockage behind the bottom surface of encountering the first L shaped breach downwards, thereby can guarantee the fineness of machining hole.
As preferably, the side tool sword of described auxiliary-blade extends to form to handle of a knife one side the step extending out by end, and at the transition position of step, chamfering is set, thereby can in spot-facing, directly process the chamfering of the edge of portalling, improve working (machining) efficiency, guarantee the axiality in chamfering and hole.
As preferably, the side that exposes to the second L shaped breach on described main blade is respectively equipped with the bellmouth extending in knife bar, bellmouth bottom in knife bar extends to form screwed hole, in bellmouth, be provided with adaptive cone pin, the inner of cone pin is provided with the double-screw bolt coordinating with screwed hole integratedly, and the outer face of cone pin is provided with flat recess or cross recess.
Between main blade and knife bar, be threaded by cone pin, being convenient to it installs, dismantles and maintenance, especially, two cone pins of the present invention have the effect of shop bolt and screw simultaneously, simplify manufacture, installation and the maintenance of spot-facing cutter, cone pin has the positioning action of automatic centering, can improve the positioning precision of main blade, the impact of the gap while avoiding columniform pin and hole to coordinate on positioning precision.
Therefore, the present invention has following beneficial effect: the long service life of blade, and dimensional accuracy is high, and knife bar has higher intensity, and stock-removing efficiency is high, manufactures, it is easy to install and keep in repair.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is the top view of knife bar of the present invention end.
Fig. 3 is side direction view of the present invention.
Fig. 4 is the syndeton schematic diagram of main blade of the present invention and knife bar.
In figure: 1, handle of a knife 11, curved guiding surface 2, knife bar 3, cylindrical tool rest 4, main blade holddown groove 5, the first L shaped breach 6, main blade 61, major cutting edge 62, stack section 63, bellmouth 64, cone pin 65, screwed hole 66, double-screw bolt 67, copper filler 7, auxiliary-blade 71, end blade 72, side tool sword 73, chamfering 8, chisel edge 9, rear knife face 10, the second L shaped breach.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention will be further described.
As Fig. 1, Fig. 2, in embodiment shown in Fig. 3, the anti abrasive spot-facing cutter of one of the present invention, comprise columniform handle of a knife 1, knife bar 2, knife bar is being provided with outward extending cylindrical tool rest 3 integratedly with handle of a knife junction, middle part, knife bar lower surface arranges the main blade holddown groove 4 of rectangle, main blade holddown groove connects knife bar both sides, the center of main blade holddown groove and the axis coinciding of knife bar, and be positioned at main blade holddown groove both sides arranges respectively along cutter spindle to the first L shaped breach 5 that extends to cylindrical tool rest in knife bar lower surface, a lateral vertical on the first L shaped breach is in main blade holddown groove, another side is parallel to main blade holddown groove, main blade holddown groove and two the first L shaped breach shape that is all centrosymmetric taking knife bar axle center as symmetrical centre.In main blade holddown groove, be embedded with main blade 6, main blade end is centrosymmetric and is provided with major cutting edge 61 in length direction both sides, the major cutting edge of both sides is positioned at same plane, major cutting edge outer end is positioned on a summit in main blade outside, thereby major cutting edge is progressively skewed near knife bar axle center by main blade outside to main blade center, both sides major cutting edge is parallel to each other, and the vertical range between major cutting edge is advisable with 1.2-1.8 millimeter, and its preferred value is 1.5 millimeters.The length of major cutting edge is greater than the radius that needs machining hole, thereby makes both sides major cutting edge form the stack section 62 that a length is 1-3 millimeter after extend at the axle center place to knife bar.It should be noted that, in stack section herein, between the major cutting edge of both sides, still keep released state, the stack length of 1-3 millimeter refers on one of them major cutting edge is along the direction projection perpendicular to another major cutting edge to another major cutting edge understands the coincidence that produces 1-3 millimeter, and the length preferred value of above-mentioned stack section is 2 millimeters.
A side perpendicular to main blade holddown groove on the first L shaped breach is provided with auxiliary-blade 7, the end of auxiliary-blade is provided with end blade 71, the lateral surface of auxiliary-blade is provided with side tool sword 72, the end blade of two auxiliary-blades is positioned at same plane, and end blade in the axial direction should be than the short 0.1-0.2 millimeter of major cutting edge, desirable 0.15 millimeter conventionally.Structure similar ground with major cutting edge on main blade, thereby the end blade of two auxiliary-blades also can be by being progressively skewed near knife bar axle center in auxiliary-blade lateral, vertical range between end blade and knife bar axle center can remain between 0.1-0.2 millimeter, making end blade and its rotation direction is that the cutting direction of end blade is substantially vertical, thereby be conducive to improve the stock-removing efficiency of end blade and reduce wear, and make end blade after wearing and tearing, still can keep substantially vertical with cutting direction, be conducive to increase the service life.The side tool sword of auxiliary-blade extends to form to handle of a knife one side the step extending out by end, and at the transition position of step, chamfering 73 is set, to process coaxially the chamfering of the edge of portalling in spot-facing, improves working (machining) efficiency.
In addition, axial compression power when reducing spot-facing, chisel edge 8 can be set between two major cutting edges, this chisel edge forms the angle of 90 degree to 95 degree through knife bar axle center and with major cutting edge, its preferred value is 90 degree, be that chisel edge and major cutting edge are perpendicular, make the length of chisel edge keep the shortest, the major cutting edge of both sides and middle chisel edge are connected as a single entity, thereby main blade end face is divided into centrosymmetric two regions, each region becomes the rear knife face 9 of major cutting edge separately, greatly facilitates the processing of each blade on main blade.Certainly, now the tail end of the stack section on a side major cutting edge can be positioned on the rear knife face of opposite side major cutting edge.In addition, also be respectively equipped with along cutter spindle to the second L shaped breach 10 that extends to cylindrical tool rest near major cutting edge place in both sides, knife bar lower surface, a lateral vertical in the second L shaped breach is in main blade, another side is communicated with main blade holddown groove, thereby form the chip area of major cutting edge, between the second bottom surface of L shaped breach on cylindrical tool rest and the side perpendicular to main blade, be provided with curved guiding surface 11, similarly, the bottom surface of the first L shaped breach on cylindrical tool rest and be parallel between the side of main blade and be also provided with curved guiding surface 11, smear metal can be successfully discharged to outside knife bar along curved guiding surface, guarantee the fineness of machining hole.Further, curved guiding surface should have enough large radius, so as to make curved guiding surface and the tangent plane of cylindrical tool rest lateral surface intersection and the angle of knife bar axial line between 30 degree to 45 degree, to guarantee that smear metal can discharge swimmingly.
Finally, as shown in Figure 4, the side that exposes to the second L shaped breach on two main blades arranges respectively bellmouth 63, and this bellmouth extends in knife bar 2, and adaptive cone pin 64 is set in bellmouth, to realize the accurate location of main blade on knife bar.And the bellmouth bottom in knife bar extends internally and forms screwed hole 65, certainly, the large footpath of this screwed hole should be less than the diameter of bellmouth small end; Accordingly, the inner of cone pin is provided with the double-screw bolt 66 coordinating with screwed hole integratedly, and flat recess or cross recess are set simultaneously on the outer face of cone pin.Like this, within main blade is embedded into main blade holddown groove, cone pin can be inserted in bellmouth, then with a word or Phillips screwdriver, cone pin is tightened on the screwed hole of bellmouth bottom.It should be noted that, the diameter of cone pin small end should be greater than the diameter of bellmouth segment, thereby makes to leave between cone pin and bellmouth bottom surface the gap of 0.2-0.5 millimeter, to guarantee closely cooperating between cone pin and bellmouth; In addition, the outside diameter of cone pin should be less than the outside diameter of bellmouth, to cone pin can be sunk in bellmouth completely, avoids main blade surface to produce projection and stop the smooth discharge of smear metal.Further, also can fill and lead up bellmouth with copper filler 67 again tightening after cone pin, specifically can adopt the mode of brazing first bellmouth to be filled up, then make main blade surface keep smooth by polishing, in the time that needs are dismantled, can first remove copper filler with hammer drill cutter, be then available screwdriver dismounting.
In addition, the each auxiliary-blade in the present invention also can adopt with two cone pins of main blade same structure and locates and fix, or also can adopt brazing to be directly weldingly fixed on knife bar, so that dismounting and maintenance.
The present invention makes main blade and auxiliary-blade the Split type structure of inlaid type, like this, major and minor blade can adopt the material different from knife bar such as high-speed tool steel or carbide alloy, and adopt different Technologies for Heating Processing, thereby can guarantee requirement and the major and minor blade requirement to hardness, anti-wear performance of knife bar to intensity, toughness simultaneously, be conducive to improve cutting speed, increase the service life and facilitate the processing and manufacturing of cutting edge.In the present invention, the effect of auxiliary-blade is mainly to utilize side tool sword cutting preprocessing hole sidewall, the bottom surface ream of preprocessing hole is put down and is mainly completed by major cutting edge, the end blade of auxiliary-blade plays the effect of an assisted machining, when spot-facing cutter is in the time that axial feeding arrival requires, be rotated further spot-facing cutter, can utilize major cutting edge that complete the bottom surface of preprocessing hole ream is flat, complete last cutting finishing, and end blade is now because its length is shorter than major cutting edge, therefore do not play shear action, thereby can effectively avoid the appearance of groove phenomenon.The smear metal producing when major and minor blade cutting can be discharged by the chip area being made up of the second L shaped breach, the first L shaped breach, particularly, in the time that smear metal is progressively upwards discharged, can be directly outside curved guiding surface be discharged to knife bar.
Claims (6)
1. an anti abrasive spot-facing cutter, comprise columniform handle of a knife (1), knife bar (2), it is characterized in that, middle part, described knife bar lower surface is provided with the main blade holddown groove (4) of rectangle, main blade holddown groove connects knife bar both sides, and be positioned at main blade holddown groove both sides is respectively equipped with along axially extended the first L shaped breach (5) of knife bar in knife bar lower surface, main blade holddown groove and two the first L shaped breach shape that is all centrosymmetric taking knife bar axle center as symmetrical centre, in described main blade holddown groove, be provided with main blade (6), main blade end is centrosymmetric in length direction both sides and is provided with major cutting edge (61), the major cutting edge of both sides is positioned at same plane, thereby major cutting edge is progressively skewed near knife bar axle center by main blade outside to main blade center, also be respectively equipped with near major cutting edge place the second L shaped breach (10) that extends axially and be communicated with main blade holddown groove along knife bar in both sides, knife bar lower surface, thereby form the chip area of major cutting edge, a side of the first L shaped breach is provided with auxiliary-blade (7), the end of auxiliary-blade is provided with end blade (71), the lateral surface of auxiliary-blade is provided with side tool sword (72), the end blade of two auxiliary-blades is positioned at same plane, and end blade is in the axial direction than the short 0.1-0.2 millimeter of major cutting edge, described knife bar is being provided with outward extending cylindrical tool rest (3) integratedly with handle of a knife junction, lateral vertical crossing with main blade in the second L shaped breach is in main blade, the bottom surface of the second L shaped breach is positioned on cylindrical tool rest, and between bottom surface and the side perpendicular to main blade, be provided with curved guiding surface (11), the bottom surface of described the first L shaped breach is positioned on cylindrical tool rest, and in bottom surface be parallel between the side of main blade and be provided with curved guiding surface, curved guiding surface and the tangent plane of cylindrical tool rest lateral surface intersection and the angle of knife bar axial line between 30 degree to 45 degree.
2. the anti abrasive spot-facing cutter of one according to claim 1, it is characterized in that, both sides major cutting edge is parallel to each other, and the vertical range between major cutting edge is 1.2-1.8 millimeter, and both sides major cutting edge forms the stack section (62) that a length is 1-3 millimeter after extending to the axle center place of knife bar.
3. the anti abrasive spot-facing cutter of one according to claim 1, is characterized in that, is provided with chisel edge (8) between two major cutting edges, and described chisel edge is through knife bar axle center and perpendicular to major cutting edge.
4. the anti abrasive spot-facing cutter of one according to claim 1, it is characterized in that, described the first L shaped breach is provided with a lateral vertical of auxiliary-blade in main blade, its another side is parallel to main blade, thereby the end blade of two auxiliary-blades is by being progressively skewed near knife bar axle center in auxiliary-blade lateral, and the vertical range between end blade and knife bar axle center is 0.1-0.2 millimeter.
5. according to the anti abrasive spot-facing cutter of one described in claim 1 or 2 or 3 or 4, it is characterized in that, the side tool sword of described auxiliary-blade extends to form to handle of a knife one side the step extending out by end, and at the transition position of step, chamfering (73) is set.
6. according to the anti abrasive spot-facing cutter of one described in claim 1 or 2 or 3 or 4, it is characterized in that, the side that exposes to the second L shaped breach on described main blade is respectively equipped with the bellmouth (63) extending in knife bar, bellmouth bottom in knife bar extends to form screwed hole (65), in bellmouth, be provided with adaptive cone pin (64), the inner of cone pin is provided with the double-screw bolt (66) coordinating with screwed hole integratedly, and the outer face of cone pin is provided with flat recess or cross recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210320833.7A CN102873379B (en) | 2012-09-03 | 2012-09-03 | Abrasion-resistant counter sinking cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210320833.7A CN102873379B (en) | 2012-09-03 | 2012-09-03 | Abrasion-resistant counter sinking cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102873379A CN102873379A (en) | 2013-01-16 |
| CN102873379B true CN102873379B (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210320833.7A Expired - Fee Related CN102873379B (en) | 2012-09-03 | 2012-09-03 | Abrasion-resistant counter sinking cutter |
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| Country | Link |
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| CN (1) | CN102873379B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692021A (en) * | 2013-11-29 | 2014-04-02 | 成都斯锐特钨钢刀具有限公司 | Multi-blade cutting tool |
| CN113305524B (en) * | 2021-06-22 | 2022-10-11 | 锐胜精机（深圳）有限公司 | Cutter and manufacturing method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2804789A (en) * | 1956-07-11 | 1957-09-03 | Guy S Randles | Chatterless countersink and deburring tool |
| FR2552694A1 (en) * | 1983-09-29 | 1985-04-05 | Dassault Avions | High-precision drill |
| US5863161A (en) * | 1996-10-04 | 1999-01-26 | Everede Acquisition Corp. | Countersinking tool with removable cutting inserts |
| CN102328117A (en) * | 2011-07-15 | 2012-01-25 | 天津市宝涞精密机械有限公司 | High-efficiency counter boring cutting tool |
| CN202824769U (en) * | 2012-09-03 | 2013-03-27 | 宁波敏宝卫浴五金水暖洁具有限公司 | Abrasion-resistant tool used for counter sinking |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3842209A1 (en) * | 1988-12-15 | 1990-06-21 | Walter Gmbh Montanwerke | DRILLING TOOL FOR METAL MATERIALS, PLASTICS AND THE LIKE |
-
2012
- 2012-09-03 CN CN201210320833.7A patent/CN102873379B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2804789A (en) * | 1956-07-11 | 1957-09-03 | Guy S Randles | Chatterless countersink and deburring tool |
| FR2552694A1 (en) * | 1983-09-29 | 1985-04-05 | Dassault Avions | High-precision drill |
| US5863161A (en) * | 1996-10-04 | 1999-01-26 | Everede Acquisition Corp. | Countersinking tool with removable cutting inserts |
| CN102328117A (en) * | 2011-07-15 | 2012-01-25 | 天津市宝涞精密机械有限公司 | High-efficiency counter boring cutting tool |
| CN202824769U (en) * | 2012-09-03 | 2013-03-27 | 宁波敏宝卫浴五金水暖洁具有限公司 | Abrasion-resistant tool used for counter sinking |
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| Publication number | Publication date |
|---|---|
| CN102873379A (en) | 2013-01-16 |
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