CN104959667A - Milling cutter provided with equidistant arc head on eccentric shape flank surface and grinding method - Google Patents
Milling cutter provided with equidistant arc head on eccentric shape flank surface and grinding method Download PDFInfo
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- CN104959667A CN104959667A CN201510236174.2A CN201510236174A CN104959667A CN 104959667 A CN104959667 A CN 104959667A CN 201510236174 A CN201510236174 A CN 201510236174A CN 104959667 A CN104959667 A CN 104959667A
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- grinding
- cutter
- milling cutter
- cutting edge
- emery wheel
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/10—Shank-type cutters, i.e. with an integral shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/28—Features relating to lubricating or cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/02—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of milling cutters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2210/00—Details of milling cutters
- B23C2210/04—Angles
- B23C2210/0407—Cutting angles
- B23C2210/0414—Cutting angles different
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2210/00—Details of milling cutters
- B23C2210/20—Number of cutting edges
- B23C2210/203—Number of cutting edges four
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2210/00—Details of milling cutters
- B23C2210/28—Arrangement of teeth
- B23C2210/282—Unequal angles between the cutting edges, i.e. cutting edges unequally spaced in the circumferential direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2210/00—Details of milling cutters
- B23C2210/40—Flutes, i.e. chip conveying grooves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2222/00—Materials of tools or workpieces composed of metals, alloys or metal matrices
- B23C2222/28—Details of hard metal, i.e. cemented carbide
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The present invention relates to a milling cutter provided with an equidistant arc head on an eccentric shape flank surface and a grinding method, the cutter can reduce the vibration during the process of processing of different hardness of hardened steels for splicing of a mould, the cutter life and workpiece surface quality can be improved, the flank surface shape can be changed, and the cutter tip strength can be improved. The milling cutter is an overall hard alloy end milling cutter. The milling cutter includes a cutter shank (1) and the arc head (2), the arc head includes a large curvature arc (2-1) and a small curvature arc (2-2). Tooth-spacing angles are 87 degrees, 93 degrees, 87 degrees, and 93 degrees, tooth-spacing vertical angles are equal, helix angle (r) is 38 degrees, helix angle (v) is 40 degrees, and cutter end cutting edge flank surface (10) and circumferential cutting edge (6) are in eccentric shape. Front angle is in the range of 0-3 degrees, first clearance angle is in the range of 8-10 degrees, and second clearance angle is in the range of 15-22 degrees. The center position of the cutter is provided with cooling channels (3), the number of the cooling channels is four, and the four cooling channels respectively are located four cutting edge end tooth chip pockets. The present invention also provides a reference for the grinding of the cutter of the type.
Description
Technical field
The present invention relates to knife face band Unequal distance circular arc head milling cutter and method for grinding after a kind of eccentric shape.
Background technology
Such as, for the mould with small curve free form surface, automobile panel, its planform is complicated.Automobile panel processing is main uses rose cutter and ring type milling cutter.When three axis machining small curve free form surface, rose cutter processing belt width, step pitch is little, and efficiency is low, and precision is low.The development of the wearing and tearing of the cutter that the vibration caused for the hardened steel splicing Mould Machining with different hardness especially brings and problem the governs automobile panel such as damaged and surface of the work precision is low.In recent years, occur with non-rose cutter (ellipse rose cutter and hyperbola rose cutter) machining small curvature radius free form surface of mould to improve working (machining) efficiency, though improve working (machining) efficiency due to be tool bit part be law curve (oval, hyperbola), cause machine tooling Machining of Curved Surface programmed point to be difficult to determine, add the difficulty of programming.In grinding knife tool, the software that traditional tool grinding often adopts lathe to carry and empirical formula processing method, reduce milling cutter grinding accuracy, and the final machining accuracy reducing mould, shortens cutter life, reduces giving full play to of numerically controlled processing equipment performance.
Summary of the invention
The object of this invention is to provide knife face band Unequal distance circular arc head milling cutter and method for grinding after a kind of eccentric shape, the milling of small curve free form surface can be realized, reduce the vibration cutting caused in the hardened steel splicing die-cut process of processing different hardness, improve cutter life and surface of the work crudy.Solving milling cutter when cutting workpiece, easily there is damaged problem in cutting edge.Solve rose cutter processing belt width, step pitch is little, inefficient problem.Solve non-rose cutter (ellipse rose cutter and hyperbola rose cutter) when machining small curvature radius free form surface, programming processing stand is difficult to the problem determined.In grinding, utilize tool blade line and the helix equation of design, drawn the grinding points track of emery wheel by the direction vector at Coordinate Conversion determination abrasive grinding wheel center and emery wheel center point coordinate, solve the loss in the grinding process of emery wheel, the accuracy of manufacture of the milling cutter simultaneously improved.
above-mentioned object is realized by following technical scheme:
Knife face band Unequal distance circular arc head milling cutter and method for grinding after a kind of eccentric shape, described milling cutter is monoblock type carbide alloy milling cutter, it comprises handle of a knife, circular arc head is characterized in that being made up of two sections of circular arcs is small arc-shaped respectively, diameter is 2mm orthodrome, diameter is 10mm, two terminal circle arc light slip composition circular arc head.Achieve under identical step pitch, improve machined strip width, reduce the residual altitude of finished surface simultaneously.
Knife face band Unequal distance circular arc head milling cutter and method for grinding after a kind of eccentric shape, its feature: the unequal blade spacing of described circular arc head milling cutter, helical angle is respectively 38 °, 40 °, and angle between teeth is respectively 87 °, 93 °, 87 °, 93 °, and between cog vertical angles are equal.Reduce because of the vibration cutting that the hardened steel mould of milling different hardness causes in milling process, such structural vibration reduction better performances, improves cutter life and processing work suface processing quality simultaneously.
Knife face band Unequal distance circular arc head milling cutter and method for grinding after a kind of eccentric shape, its feature of splicing hard steel splicing mould for processing different hardness: described knife end angle of cutting edge is 0 ° ~ 3 °, rake angle is 0 ° ~ 10 °, angular region after first: 8 ° ~ 10 °, angular region after second: 15 ° ~ 20 °.
Knife face band Unequal distance circular arc head milling cutter and method for grinding after a kind of eccentric shape, its feature: there is cooling duct center cutter position, described cooling duct outlet is positioned at tool bit part, and 4 cooling ducts lay respectively at 4 cutting edge end tooth chip pockets.Be beneficial to and the chip producing heat is taken away, reduce the heat that process produces, protect the cutting edge of Tool in Cutting, extend cutter life.
Knife face band Unequal distance circular arc head milling cutter and method for grinding after a kind of eccentric shape, its feature: knife end sword and all blades divide rear knife face to be eccentric shape.Such point of a knife intensity, extends cutter life, solves cutter, at incision workpiece, damaged problem has occurred.
Knife face band Unequal distance circular arc head milling cutter and method for grinding after composition graphs 7 one kinds of eccentric shapes, the method for grinding of its rake face: Unequal distance circular arc head milling cutter rake face method for grinding, when determining the rake face of flat wheel grinding milling cutter circular arc head cutting edge and groove spiral cutting sword, after established angle according to the size determination emery wheel of different cutting edge helical angle, tool coordinate system, emery wheel coordinate system and grinding points coordinate system.Emery wheel, from cutting edge upper extreme point, sets up the coordinate of emery wheel central point at grinding points coordinate system of grinding starting point, and the axis vector parallel of emery wheel is in the law vector of the top sword rake face at grinding points place, and grinding direction is the tangential direction of cutting edge.Under grinding, the emery wheel center point coordinate of any is set up by the Coordinate Conversion of upper emery wheel center point coordinate, the emery wheel anglec of rotation and the cutter anglec of rotation and grinding points coordinate system, the axis vector parallel of emery wheel is in the law vector of the rake face at grinding points place, and grinding direction is the tangential direction of this section of sword line.When such method moves to the end points of cutting edge, carry out another cutting edge grinding, the axis vector of emery wheel is parallel to the law vector motion of the rake face at grinding points place all the time, and grinding direction is the tangential direction of this cutting edge.When moving to the end points of this cutting edge, carry out all sharpenings to cut, grinding wheel spindle line vector is parallel to the rake face law vector of Zhou Ren, and grinding direction is the tangential direction of Zhou Ren, by the coordinate of the abrasive grinding wheel central point of each point and the grinding track of grinding wheel spindle line vector determination emery wheel.Being smoothly connected of three sections of cutting edges guarantees that wheel grinding forms fairing helicoid and accurate rake face.
Knife face band Unequal distance circular arc head milling cutter and method for grinding after a kind of eccentric shape, thereafter the method for grinding of knife face: when determining the rear knife face of straight-type wheel grinding milling cutter circular arc head cutting edge and groove spiral cutting sword, after determining the inclination angle μ of emery wheel, angle of inclination is the established angle of the first relief angle emery wheel of cutter, according to cutting edge equation emery wheel from cutting edge end points, set up the coordinate of emery wheel at the central point of grinding points coordinate system of grinding starting point, the law vector of axis vector parallel knife face after the sword of top of emery wheel, wheel grinding direction is the tangential direction of cutting edge.Under grinding, the emery wheel center point coordinate of any is set up by the Coordinate Conversion of the coordinate of the central point of upper emery wheel, the emery wheel anglec of rotation and the cutter anglec of rotation and grinding points coordinate system, and direction is the tangent vector direction of edge curve.When moving to the end points of cutting edge like this, emery wheel can move along the tangent vector direction of another cutting edge, when moving to its end points, emery wheel is by the tangent line direction vector grinding along Zhou Ren, the normal vector of axis vector parallel knife face after Zhou Ren of emery wheel, by the coordinate of the abrasive grinding wheel central point of each point and the grinding track of grinding wheel spindle line vector determination emery wheel.Being smoothly connected of three sections of cutting edges guarantees that wheel grinding forms fairing major first flank, and same method carries out the grinding of knife face after second.
Knife face band Unequal distance circular arc head milling cutter and method for grinding after a kind of eccentric shape, the Unequal distance method for grinding of its circular arc head milling cutter: during wheel grinding milling cutter Unequal distance, according to when the complete cutting edge of grinding, according to the size of angle between teeth, cutter carries out the grinding of Article 2 cutting edge around the corresponding angle between teeth angle of coordinate system Z axis corresponding rotation, and same method carries out the grinding of Article 3, Article 4 cutting edge.
Knife face band Unequal distance circular arc head milling cutter and method for grinding after a kind of eccentric shape, carry out the detection of sword line by G3 cutter inspection instrument after described milling cutter grinding completes and universal tool-measuring microscope carries out anterior angle, relief angle, helical angle accuracy detection, confirm adopt processing method precisely reliable.
The present invention is relative to the beneficial effect of modern technologies:
1, knife face band Unequal distance circular arc head milling cutter and method for grinding after a kind of eccentric shape of the present invention, this cutter adopts Unequal distance Tool Design, solve the vibration cutting that cause of cutter at processing different hardness hardened steel splicing mould, crudy is not high, improves cutter life simultaneously.
2, knife face band Unequal distance circular arc head milling cutter and method for grinding after a kind of eccentric shape of the present invention, described circular arc head milling cutter head comprises the small curve bulb of knife end sword, radius is 5mm, deep camber bulb between described small curve bulb and cutter Zhou Ren, larger radius of curvature is 1mm, two terminal circle arc light slip.Solve rose cutter in machining small curvature radius plane, processing belt width, path internal is little, the problem that machining accuracy is low.
3, knife face band Unequal distance circular arc head milling cutter and method for grinding after a kind of eccentric shape of the present invention, described cutter is Hardmetal materials, described circular arc head milling cutter head comprises the small curve bulb of knife end sword, radius is 5mm, be deep camber bulb (2-1) between described small curve bulb and cutter Zhou Ren, radius is 1mm.Solve the problem that non-rose cutter (ellipse rose cutter, hyperbola rose cutter) work in-process programming central point is difficult to determine.
4, knife face band Unequal distance circular arc head milling cutter and method for grinding after a kind of eccentric shape of the present invention, its feature: after knife end sword and Zhou Ren, knife face is eccentric shape.Can cutting edge be protected like this, reduce tool wear, extend cutter life.
5, knife face band Unequal distance circular arc head milling cutter and method for grinding after a kind of eccentric shape of the present invention; its feature: there is cooling duct center cutter position; article 4, cooling duct; described cooling duct outlet is at tool bit part; lay respectively at 4 cutting edge end tooth chip pockets, be beneficial to and the chip of generation is taken away, decrease the heat of Tool in Cutting sword simultaneously; protect the cutting edge of Tool in Cutting, extend cutter life.
In sum, cutter structure of the present invention can reduce cutting vibration to machining small curvature radius free form surface different hardness hardened steel splicing mould, improves workpiece surface quality, improves cutter life and working (machining) efficiency simultaneously.
After a kind of eccentric shape of the present invention, knife face band Unequal distance circular arc head milling cutter and method for grinding pass through Coordinate Conversion, set up direction and the position of the energy precise positioning emery wheels such as the grinding track of emery wheel, under guarantee tool geometry angle and edge strength situation, shorten the grinding time, improve grinding accuracy.
Accompanying drawing explanation
Fig. 1 is knife face band Unequal distance circular arc head milling cutter and method for grinding overall structure schematic diagram after the eccentric shape of one of the present invention.
Fig. 2 is the enlarged drawing of end-cutting edge.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is the right view of Fig. 1.
Fig. 5 is the cutter contrast of machining small curvature radius free form surface, and dotted outline is rose cutter, and solid outline is circular arc head milling cutter.Δ h
2for circular arc head milling cutter cutting surface residual altitude figure, Δ h
1for rose cutter cutting surface residual altitude figure, d
1for ball endmill cuts bandwidth, d
2for circular arc head milling cutter cuts bandwidth.
Fig. 6 is the F-F enlarged section of Fig. 1.
Fig. 7 is the K-K enlarged section of Fig. 1.
Fig. 8 is wheel grinding circular arc head milling cutter grinding rake face and helicla flute path profile, tool coordinate system O-XYZ, emery wheel coordinate system O
1-X
1y
1z
1, grinding points coordinate system O
2-X
2y
2z
2.
Fig. 9 is knife face path profile after the grinding of wheel grinding circular arc head milling cutter, tool coordinate system O-XYZ, emery wheel coordinate system O
3-X
3y
3z
3, grinding points coordinate system O
4-X
4y
4z
4.
Detailed description of the invention
Detailed description of the invention one: composition graphs 1,2, knife face band Unequal distance circular arc head milling cutter and method for grinding after 4 one kind of eccentric shape, described cutter is monolithic construction, and cutter material is carbide alloy.This milling cutter comprises handle of a knife (1) and circular arc head (2), and shank diameter is 8mm, and circular arc head comprises small curve circular arc (2-2), and arc radius is 5mm, deep camber circular arc (2-1), and arc radius is 1mm.Two terminal circle arc light slip forms the circular arc head of this milling cutter.Effect: under synchronised distance, improve and cut bandwidth (d
2>d
1), improve working (machining) efficiency, improve crudy (Δ h
2< Δ h
1).
Detailed description of the invention two: knife face band Unequal distance circular arc head milling cutter and method for grinding after composition graphs 1,3 one kind of eccentric shape, the angle between (A-A) is 87 °, and the angle between (B-B) is 93 °, and helical angle (r) is 38 °, and helical angle is (v) 40 °.Effect: the impact that the hardened steel splicing mould avoiding different hardness causes processing stability to cause in working angles, reduces the vibration cutting in working angles, improves cutter life and workpiece surface quality.
Detailed description of the invention three: knife face band Unequal distance circular arc head milling cutter and method for grinding after composition graphs 6,7 one kind of eccentric shape, after knife end sword, after knife face (6) and Zhou Ren, knife face (10) is eccentric shape.Effect: can protect cutting edge, reduces tool wear, extends cutter life.
Detailed description of the invention four: knife face band Unequal distance circular arc head milling cutter and method for grinding after composition graphs 6 one kinds of eccentric shapes, the scope of end sword (2) anterior angle m1: 0 ° ~ 3 °, the scope of end sword (2) relief angle n1: 8 ° ~ 10 °, the scope of end sword (2) relief angle n2: 15 ° ~ 22 °.
Detailed description of the invention five: knife face band Unequal distance circular arc head milling cutter and method for grinding after composition graphs 7 one kinds of eccentric shapes, Zhou Ren (8) anterior angle p is 0 ° ~ 10 °, the scope of Zhou Ren (8) relief angle q1: 8 ° ~ 10 °, the scope of Zhou Ren (12) relief angle q2: 15 ° ~ 22 °.
Detailed description of the invention six: knife face band Unequal distance circular arc head milling cutter and method for grinding after composition graphs 4 one kinds of eccentric shapes, there is cooling duct center cutter position, is respectively (3-1), (3-2), (3-3), (3-4).Described cooling duct is 4 cooling ducts, exports in circular arc head part, lays respectively at 4 cutting edge end tooth chip pockets (7).Effect: the chip of generation taken away, decreases the heat of Tool in Cutting sword simultaneously, protects the cutting edge of Tool in Cutting, extends cutter life.
Detailed description of the invention seven: knife face band Unequal distance circular arc head milling cutter and method for grinding after composition graphs 8 one kinds of eccentric shapes, the method for grinding of its rake face: Unequal distance circular arc head milling cutter rake face method for grinding, when determining the rake face of flat wheel grinding milling cutter circular arc head cutting edge (2-1) and (2-2), after established angle α according to the size determination emery wheel of different cutting edge helical angle, tool coordinate system O-XYZ, emery wheel coordinate system O
1-x
1y
1z
1, grinding points coordinate system O
2-X
2y
2z
2.Emery wheel, from cutting edge (2-2) upper extreme point, sets up the emery wheel central point of grinding starting point at coordinate system O
2-X
2y
2z
2coordinate, the axis vector parallel of emery wheel is in the law vector T on top sword rake face (13) at grinding points place
3, grinding direction is T
1.Under grinding, the emery wheel center point coordinate of any rotates ω 2 angle and grinding points coordinate system O by upper emery wheel center point coordinate, emery wheel rotation ω 1 angle and cutter
2-X
2y
2z
2coordinate Conversion set up, the axis vector parallel of emery wheel is in the law vector T of the rake face at grinding points place
3, grinding direction is the tangential direction T of this section of sword line
1.When such method moves to the end points of cutting edge (2-2), the axis vector of emery wheel is parallel to the law vector T of the rake face at grinding points place all the time
3motion, grinding direction is T
2.When moving to the end points of cutting edge (2-1), grinding wheel spindle line vector is parallel to rake face (14) the law vector T of Zhou Ren (8)
4, grinding direction is the tangential direction T of Zhou Ren (8), by the coordinate of the abrasive grinding wheel central point of each point and the grinding track of grinding wheel spindle line vector determination emery wheel.Being smoothly connected of three sections of cutting edges guarantees that wheel grinding forms fairing helicoid and accurate rake face.
Detailed description of the invention eight: knife face band Unequal distance circular arc head milling cutter and method for grinding after composition graphs 9 one kinds of eccentric shapes, the method for grinding of knife face after its eccentric shape: when determining the rear knife face (6) of straight-type wheel grinding milling cutter circular arc head cutting edge (2-1) and (2-2), (10), after determining the inclination angle μ of emery wheel, angle of inclination is the established angle β of the first relief angle (n1) emery wheel of cutter, tool coordinate system O-XYZ, emery wheel coordinate system O
3-x
3y
3z
3, grinding points coordinate system O
4-X
4y
4z
4.According to cutting edge equation emery wheel from cutting edge (2-2) upper extreme point, set up the emery wheel of grinding starting point at grinding points coordinate system O
4-X
4y
4z
4the coordinate of central point, the law vector T of axis vector parallel knife face (11) after the sword of top of emery wheel
5, wheel grinding direction is T
1.Under grinding, the emery wheel center point coordinate of any rotates ω 3 angle by the coordinate of the central point of upper emery wheel, emery wheel and cutter rotates ω 4 angle and grinding points coordinate system O
4-X
4y
4z
4coordinate Conversion set up, direction is the tangent vector T of edge curve
1direction.When moving to the end points of cutting edge (2-2) like this, emery wheel can along the tangent vector T of cutting edge (2-1)
2move in direction, when moving to the end points of cutting edge (2-1), emery wheel will along the tangent line vector T direction grinding of Zhou Ren (8), and the axis vector parallel of emery wheel is in the normal vector T of Zhou Ren (8) knife face (6) afterwards
6, by the coordinate of the abrasive grinding wheel central point of each point and the grinding track of grinding wheel spindle line vector determination emery wheel.Being smoothly connected of three sections of cutting edges guarantees that wheel grinding forms fairing major first flank (6), (10), and same method carries out the grinding of knife face (5), (9) after second.
Detailed description of the invention nine: in conjunction with knife face band Unequal distance circular arc head milling cutter and method for grinding after embodiment seven and the eccentric shape of embodiment Aug. 1st kind, the Unequal distance method for grinding of its circular arc head milling cutter: during wheel grinding milling cutter Unequal distance, as grinding complete one cutting edge (2-3), cutter carries out the grinding of Article 2 cutting edge (2-4) around the coordinate system Z axis anglec of rotation (A-A), and same method carries out the grinding of Article 3, Article 4 cutting edge.
Detailed description of the invention ten: in conjunction with knife face band Unequal distance circular arc head milling cutter and method for grinding after a kind of eccentric shape, carry out the detection of sword line by G3 cutter inspection instrument after described milling cutter grinding completes and universal tool-measuring microscope carries out anterior angle, relief angle, helical angle accuracy detection, confirm adopt processing method precisely reliable.
Claims (10)
1. knife face band Unequal distance circular arc head milling cutter and method for grinding after an eccentric shape, described milling cutter is monoblock type carbide alloy milling cutter, it comprises handle of a knife (1), cutter head (2) is characterized in that being made up of two sections of circular arcs is small arc-shaped (2-1), orthodrome (2-2) respectively, article 4, cutting edge, there is cooling passage described center cutter position, and described cooling passage outlet is positioned at cutter ends.
2. knife face band Unequal distance circular arc head milling cutter and method for grinding after the eccentric shape of one according to claim 1, its feature: described circular arc head milling cutter head comprises the small curve bulb of cutter ends, deep camber bulb between described small curve bulb and cutter, the cutter head of two tangent these milling cutters of composition of curvature circular arc.
3. knife face band Unequal distance circular arc head milling cutter and method for grinding after the eccentric shape of one according to claim 1, its feature: described unequal blade spacing, helical angle is respectively 38 °, 40 °, and angle between teeth is respectively 87 °, 93 °, 87 °, 93 °, and between cog vertical angles are equal.
4. knife face band Unequal distance circular arc head milling cutter and method for grinding after the eccentric shape of the one according to claim 1,2,3, its feature: described knife end rake angle is 0 ° ~ 3 °, rake angle is 0 ° ~ 10 °, angular region after first: 8 ° ~ 10 °, angular region after second: 15 ° ~ 20 °.
5. knife face band Unequal distance circular arc head milling cutter and method for grinding after the eccentric shape of one according to claim 1, its feature: there is cooling duct center cutter position, described cooling duct outlet is positioned at tool bit part, and 4 cooling ducts lay respectively at 4 cutting edge end tooth chip pockets.
6. knife face band Unequal distance circular arc head milling cutter and method for grinding after the eccentric shape of one according to claim 1, its feature: knife end sword, all blades divide rear knife face to be eccentric shape.
7. according to right 3, knife face band Unequal distance circular arc head milling cutter and method for grinding after the eccentric shape of one described in 4, the method for grinding of its rake face: Unequal distance circular arc head milling cutter rake face method for grinding, when determining the rake face of flat wheel grinding milling cutter circular arc head cutting edge and groove spiral cutting sword, after established angle according to the size determination emery wheel of different cutting edge helical angle, tool coordinate system, emery wheel coordinate system and grinding points coordinate system, emery wheel is from cutting edge upper extreme point, set up the coordinate of emery wheel central point at grinding points coordinate system of grinding starting point, the axis vector parallel of emery wheel is in the law vector of the top sword rake face at grinding points place, grinding direction be under the tangential direction grinding of cutting edge any emery wheel center point coordinate by upper emery wheel center point coordinate, the Coordinate Conversion of the emery wheel anglec of rotation and the cutter anglec of rotation and grinding points coordinate system is set up, the axis vector parallel of emery wheel is in the law vector of the rake face at grinding points place, grinding direction is the tangential direction of this section of sword line, when such method moves to the end points of cutting edge, carry out another cutting edge grinding, the axis vector of emery wheel is parallel to the law vector motion of the rake face at grinding points place all the time, grinding direction is the tangential direction of this cutting edge, when moving to the end points of this cutting edge, carry out all sharpenings to cut, grinding wheel spindle line vector is parallel to the rake face law vector of Zhou Ren, grinding direction is the tangential direction of Zhou Ren, by the coordinate of the abrasive grinding wheel central point of each point and the grinding track of grinding wheel spindle line vector determination emery wheel, being smoothly connected of three sections of cutting edges guarantees that wheel grinding forms fairing helicoid and accurate rake face.
8. knife face band Unequal distance circular arc head milling cutter and method for grinding after the eccentric shape of the one according to right 4, thereafter the method for grinding of knife face: when determining knife face after the eccentric shape of straight-type wheel grinding milling cutter circular arc head cutting edge and Zhou Ren, determine the inclination angle of emery wheel, angle of inclination is the established angle of the first relief angle emery wheel of cutter, according to cutting edge equation emery wheel from cutting edge end points, set up the coordinate of emery wheel at the central point of grinding points coordinate system of grinding starting point, the law vector of axis vector parallel knife face after the sword of top of emery wheel, wheel grinding direction is the tangential direction of cutting edge, under grinding, the emery wheel center point coordinate of any passes through the coordinate of the central point of upper emery wheel, the Coordinate Conversion of the emery wheel anglec of rotation and the cutter anglec of rotation and grinding points coordinate system is set up, direction is the tangent vector direction of edge curve, when moving to the end points of cutting edge like this, emery wheel can move along the tangent vector direction of another cutting edge, when moving to its end points, emery wheel is by the tangent line direction vector grinding along Zhou Ren, the normal vector of axis vector parallel knife face after Zhou Ren of emery wheel, by the coordinate of the abrasive grinding wheel central point of each point and the grinding track of grinding wheel spindle line vector determination emery wheel, being smoothly connected of three sections of cutting edges guarantees that wheel grinding forms fairing major first flank, same method carries out the grinding of knife face after second.
9. knife face band Unequal distance circular arc head milling cutter and method for grinding after the eccentric shape of the one according to right 3,7, the Unequal distance method for grinding of its circular arc head milling cutter: during wheel grinding milling cutter Unequal distance, according to when the complete cutting edge of grinding, according to the size of angle between teeth, cutter carries out the grinding of Article 2 cutting edge around the corresponding angle between teeth angle of coordinate system Z axis corresponding rotation, and same method carries out the grinding of Article 3, Article 4 cutting edge.
10. knife face band Unequal distance circular arc head milling cutter and method for grinding after the eccentric shape of the one according to right 3,4, carry out the detection of sword line by G3 cutter inspection instrument after described milling cutter grinding completes and universal tool-measuring microscope carries out anterior angle, relief angle, helical angle accuracy detection, confirm adopt processing method precisely reliable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510236174.2A CN104959667B (en) | 2015-05-12 | 2015-05-12 | Knife face band Unequal distance arc head milling cutter and method for grinding after a kind of eccentric shape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510236174.2A CN104959667B (en) | 2015-05-12 | 2015-05-12 | Knife face band Unequal distance arc head milling cutter and method for grinding after a kind of eccentric shape |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104959667A true CN104959667A (en) | 2015-10-07 |
| CN104959667B CN104959667B (en) | 2018-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510236174.2A Expired - Fee Related CN104959667B (en) | 2015-05-12 | 2015-05-12 | Knife face band Unequal distance arc head milling cutter and method for grinding after a kind of eccentric shape |
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|---|---|
| CN (1) | CN104959667B (en) |
Cited By (11)
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| CN104959666A (en) * | 2015-05-13 | 2015-10-07 | 哈尔滨理工大学 | Double-arc large feed ring mill cutter and preparation process and monitor method thereof |
| CN105728814A (en) * | 2016-04-25 | 2016-07-06 | 哈尔滨理工大学 | Double-evolute angle-variable milling cutter |
| CN107052914A (en) * | 2016-12-26 | 2017-08-18 | 科德数控股份有限公司 | A kind of efficient removing method of rose cutter machined trace |
| CN107363312A (en) * | 2017-09-11 | 2017-11-21 | 大连理工大学 | Band edge sword slotting cutter for carbon fibre composite high-speed milling |
| CN109048512A (en) * | 2017-02-27 | 2018-12-21 | 南通大学 | Effectively improve micro- pendulum grinding and polishing device of polishing efficiency |
| CN109702567A (en) * | 2019-01-29 | 2019-05-03 | 西南交通大学 | A kind of grinding track method for solving of radius end mill Circular Nose Cutting Edge rake face |
| CN111571316A (en) * | 2020-04-30 | 2020-08-25 | 科德数控股份有限公司 | Grinding track optimization method and system for screw tap thread machining |
| CN113070517A (en) * | 2020-01-06 | 2021-07-06 | 华硕电脑股份有限公司 | End milling cutter for machining metal shell and machining method |
| CN114918747A (en) * | 2022-05-17 | 2022-08-19 | 深圳数马电子技术有限公司 | Method and device for grinding rear face of three-face edge milling cutter and computer equipment |
| EP3833500A4 (en) * | 2018-08-09 | 2022-08-31 | Kyocera SGS Precision Tools, Inc. | Variable radius gash |
| CN115178780A (en) * | 2022-09-08 | 2022-10-14 | 成都永峰科技有限公司 | Aviation thin-wall part milling device |
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| CN104959666B (en) * | 2015-05-13 | 2019-07-23 | 哈尔滨理工大学 | Bicircular arcs roughing feed ring type milling cutter and its preparation process and detection method |
| CN104959666A (en) * | 2015-05-13 | 2015-10-07 | 哈尔滨理工大学 | Double-arc large feed ring mill cutter and preparation process and monitor method thereof |
| CN105728814A (en) * | 2016-04-25 | 2016-07-06 | 哈尔滨理工大学 | Double-evolute angle-variable milling cutter |
| CN105728814B (en) * | 2016-04-25 | 2017-09-01 | 哈尔滨理工大学 | A kind of pair of filar evolute becomes angular cutter |
| CN107052914A (en) * | 2016-12-26 | 2017-08-18 | 科德数控股份有限公司 | A kind of efficient removing method of rose cutter machined trace |
| CN107052914B (en) * | 2016-12-26 | 2019-10-25 | 科德数控股份有限公司 | A kind of efficient removing method of rose cutter machined trace |
| CN109048512A (en) * | 2017-02-27 | 2018-12-21 | 南通大学 | Effectively improve micro- pendulum grinding and polishing device of polishing efficiency |
| CN109093455B (en) * | 2017-02-27 | 2020-06-09 | 南通大学 | Micro-pendulum grinding and polishing device for efficiently processing high-precision arc-edge diamond cutter |
| CN109158961A (en) * | 2017-02-27 | 2019-01-08 | 南通大学 | Improve micro- pendulum grinding and polishing device of polishing quality |
| CN109158961B (en) * | 2017-02-27 | 2020-06-09 | 南通大学 | Micro-pendulum polishing device for improving polishing quality |
| CN109093455A (en) * | 2017-02-27 | 2018-12-28 | 南通大学 | Micro- pendulum grinding and polishing device of highly-efficient processing high-precision arc-blade diamond cutter |
| CN107363312A (en) * | 2017-09-11 | 2017-11-21 | 大连理工大学 | Band edge sword slotting cutter for carbon fibre composite high-speed milling |
| CN107363312B (en) * | 2017-09-11 | 2019-04-23 | 大连理工大学 | Band edge sword slotting cutter for carbon fibre composite high-speed milling |
| EP3833500A4 (en) * | 2018-08-09 | 2022-08-31 | Kyocera SGS Precision Tools, Inc. | Variable radius gash |
| CN109702567A (en) * | 2019-01-29 | 2019-05-03 | 西南交通大学 | A kind of grinding track method for solving of radius end mill Circular Nose Cutting Edge rake face |
| CN113070517A (en) * | 2020-01-06 | 2021-07-06 | 华硕电脑股份有限公司 | End milling cutter for machining metal shell and machining method |
| CN111571316A (en) * | 2020-04-30 | 2020-08-25 | 科德数控股份有限公司 | Grinding track optimization method and system for screw tap thread machining |
| CN111571316B (en) * | 2020-04-30 | 2021-10-26 | 科德数控股份有限公司 | Grinding track optimization method and system for screw tap thread machining |
| CN114918747A (en) * | 2022-05-17 | 2022-08-19 | 深圳数马电子技术有限公司 | Method and device for grinding rear face of three-face edge milling cutter and computer equipment |
| CN115178780A (en) * | 2022-09-08 | 2022-10-14 | 成都永峰科技有限公司 | Aviation thin-wall part milling device |
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