CN106217455B - A kind of method of determining diamond wedge knife mechanical scratching setting angle parameter - Google Patents
A kind of method of determining diamond wedge knife mechanical scratching setting angle parameter Download PDFInfo
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- CN106217455B CN106217455B CN201610548386.9A CN201610548386A CN106217455B CN 106217455 B CN106217455 B CN 106217455B CN 201610548386 A CN201610548386 A CN 201610548386A CN 106217455 B CN106217455 B CN 106217455B
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- knife
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- point
- setting angle
- diamond wedge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
- B26D3/08—Making a superficial cut in the surface of the work without removal of material, e.g. scoring, incising
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2628—Means for adjusting the position of the cutting member
Abstract
The invention discloses a kind of method of determining diamond wedge knife mechanical scratching setting angle parameter, the step of this method, is：S1, the tool coordinate system XYZ O for establishing diamond wedge knife point of a knife；Three swords at S2, diamond wedge knife point of a knife are expressed as the unit vector matrix [A] of blade；S3, delineation coordinate system X ' Y ' Z ' O are established, regards delineation coordinate system X ' Y ' Z ' O as tool coordinate system XYZ O by adjusting icking tool setting angle matrix [B]；S4, it is delineating in coordinate system X ' Y ' Z ' O, through projective transformation matrix [C], by three swords of diamond wedge knife point of a knife to X ' Y ' O plane projections, blade projection vector matrix [D] after being projected, above-mentioned matrix [A], matrix [B], matrix [C], there are following relationships for matrix [D]：[A] [B] [C]=[D]；S5, setting transition matrix [E]=[B] [C], then have [E]=[A]‑1[D] solves the point of a knife setting angle parameter obtained as unknown quantity in transition matrix [E].
Description
Technical field
The present invention relates to mechanical scribing techniques fields, relate in particular to a kind of determining diamond wedge knife mechanical scratching peace
The method for filling angle parameter.
Background technology
At present, before using diamond wedge knife (point of a knife is triangular pyramid) progress diffraction grating mechanical scratching, head is needed
It first passes through adjustable turning head to be adjusted the setting angle (azimuth, pitch angle, roll angle) of diamond cutter, to meet delineation
The geometry requirement of grating flute profile.
But existing elastic counter weighting formula knife rest technique is limited by, setting angle parameter is difficult to accomplish accurate quantification adjustment or prison
Control causes the setting angle design parameter after adjustment and desired value to generate certain deviation, and initial baseline also is difficult to determine.
This is clearly inadequate for pursuing for high-precision grating mechanical scratching technique.
Existing method is to be repeatedly detected examination cutting shape on grating blank using the method for trial and error, and with target flute profile into
Whether row comparison is correct to determine the final selection of setting angle parameter.Even if institute's cutting shape is correct, it is also difficult to learn pair
The setting angle parameter answered is how many, and operates both waste plenty of time and cost in this way, and also seem very not science.
Invention content
It is an object of the invention in view of the above-mentioned defects in the prior art, provide a kind of determining diamond wedge knife machinery to carve
The method for drawing setting angle parameter coining and detects impression geometry parameter twice by point of a knife, then passes through correlation computations, obtains gold
The method of setting angle parameter during hard rock diamond wedge knife mechanical scratching.This method is easy to operate, quick, effective, Ke Yiliang
Change the design parameter for learning setting angle, convenient for the feedback study of scribing process.
To achieve these goals, the technical scheme is that：
A kind of the step of method of determining diamond wedge knife mechanical scratching setting angle parameter, this method is：S1, first
The tool coordinate system XYZ-O of diamond wedge knife point of a knife is established, straight line is X-axis where delineating main sword, and coordinate origin O is in point of a knife
Point, the reference direction of wedge knife orientation angle is Y-axis, and Z axis is determined by the spiral right-hand rule；
Three swords at S2, diamond wedge knife point of a knife are provided, and be expressed as the list of blade by the form of linear vector
Bit vector matrix [A]；
S3, delineation coordinate system X ' Y ' Z '-O are established, coordinate origin is still point of a knife point；Plane determined by X ' Y '-O is
Working surface (grating blank surface) for delineation；Delineation coordinate system X ' Y ' Z '-O are regarded as tool coordinate system XYZ-O to pass through
Wedge knife setting angle matrix [B] is adjusted, is obtained by coordinate conversion；
The angle of the projection and X ' axis of S4, main sword in X ' Y '-O planes is the azimuth after the adjustment of wedge knife；Main sword exists
The projection of X ' Z '-O planes and the angle of X ' axis are pitch angle, and the angle between XZ-O planes and X ' Z '-O planes is roll angle.
S5, it is delineating in coordinate system X ' Y ' Z '-O, through projective transformation matrix [C], by three of diamond wedge knife point of a knife
Sword is to X ' Y '-O plane projections, and gained blade projection line unit length is respectively to X ' axis and Y ' axial projections, the knife after being projected
Sword projection vector matrix [D], above-mentioned matrix [A], matrix [B], matrix [C], there are following relationships for matrix [D]：[A] [B] [C]=
[D]；
S6, setting transition matrix [E]=[B] [C], then have [E]=[A] -1 [D], solves the matrix and can obtain and was used as
Cross the point of a knife setting angle parameter of unknown quantity in matrix [E].
As the improvement to above-mentioned technical proposal, three swords at the point of a knife of the diamond wedge knife are a main sword,
Two attached swords.
As the improvement to above-mentioned technical proposal, in step 1, after diamond wedge knife is made, cutter it is several
What parameter is fixed known or measurable, i.e. the unit vector matrix [A] of blade is known.
As the improvement to above-mentioned technical proposal, in steps of 5, blade projection vector matrix [D] can by point of a knife to
Vertical two-dimensional detection image measurement after grating blank impression provides.
As the improvement to above-mentioned technical proposal, vertical two-dimensional detection image of the point of a knife after grating blank impression is measured
Tool is that can measure light microscope or scanning electron microscope.
As the improvement to above-mentioned technical proposal, vertical two-dimensional detection image of the point of a knife after grating blank impression passes through
Coining (being L along delineation direction coining spacing) twice can obtain coining cutting edge and delineate the pass between direction or delineation coordinate system
The projection vector matrix [D] in delineation plane X ' Y '-O is conveniently obtained in system.
As the improvement to above-mentioned technical proposal, after point of a knife setting angle adjusts, by the unit of known blade to
Projection relation of the moment matrix [A] into delineation plane is certain, and corresponding projective transformation matrix [C] is joined comprising setting angle
Several matrixes.
Compared with prior art, the invention has the advantages and positive effects that：
The method of present invention deposit hard rock wedge knife mechanical scratching setting angle parameter really, by point of a knife, coining is simultaneously twice
Impression geometry parameter is detected, then by correlation computations, setting angle parameter when obtaining diamond wedge knife mechanical scratching
Method.This method is easy to operate, quick, effective, can quantify to learn the design parameter of setting angle, convenient for scribing process
Feedback study.
Description of the drawings
Fig. 1 be diamond wedge knife point of a knife three swords projected after X ' Y '-O plane projections after blade project to
The schematic diagram of moment matrix [D]；
Fig. 2 is coining cutting edge and delineates the relation schematic diagram between direction or delineation coordinate system.
Specific embodiment
The technology of the present invention is described in further detail with reference to the accompanying drawings and detailed description.As shown in Figure 1, 2, originally
The step of method of invention deposit hard rock wedge knife mechanical scratching setting angle parameter really, this method is：
S1, the tool coordinate system XYZ-O for initially setting up diamond wedge knife point of a knife, straight line where delineating main sword are X-axis, are sat
Origin O is marked in point of a knife point, the reference direction of wedge knife orientation angle is Y-axis, and Z axis is determined by the spiral right-hand rule；
Three swords at S2, diamond wedge knife point of a knife are provided, and be expressed as the list of blade by the form of linear vector
Bit vector matrix [A]；
S3, delineation coordinate system X ' Y ' Z '-O are established, coordinate origin is still point of a knife point；Plane determined by X ' Y '-O is
Working surface (grating blank surface) for delineation；Delineation coordinate system X ' Y ' Z '-O are regarded as tool coordinate system XYZ-O to pass through
Wedge knife setting angle matrix [B] is adjusted, is obtained by coordinate conversion；
The angle of the projection and X ' axis of S4, main sword in X ' Y '-O planes is the azimuth after the adjustment of wedge knife；Main sword exists
The projection of X ' Z '-O planes and the angle of X ' axis are pitch angle, and the angle between XZ-O planes and X ' Z '-O planes is roll angle.
S5, it is delineating in coordinate system X ' Y ' Z '-O, through projective transformation matrix [C], by three of diamond wedge knife point of a knife
Sword is to X ' Y '-O plane projections, and gained blade projection line unit length is respectively to X ' axis and Y ' axial projections, the knife after being projected
Sword projection vector matrix [D], above-mentioned matrix [A], matrix [B], matrix [C], there are following relationships for matrix [D]：[A] [B] [C]=
[D]；
S6, setting transition matrix [E]=[B] [C], then have [E]=[A] -1 [D], solves the matrix and can obtain and was used as
Cross the point of a knife setting angle parameter of unknown quantity in matrix [E].
As the improvement to above-mentioned technical proposal, three swords at the point of a knife of the diamond wedge knife are a main sword,
Two attached swords.
After diamond wedge knife is made, the geometric parameter of cutter is fixed known or measurable, so blade
Unit vector matrix [A] be known.Blade projection vector matrix [D] can be vertical after grating blank impression by point of a knife
Straight two-dimensional detection image measurement provides, and such as measurable light microscope or scanning electron microscope, schematic diagram are as shown in Figure 2.
By coining twice (being L along delineation direction coining spacing), can obtain between coining cutting edge and delineation direction or delineation coordinate system
Relationship, the projection vector in delineation plane X ' Z '-O is conveniently obtained.After point of a knife setting angle adjusts, pass through known blade
Unit vector matrix [A] to delineation plane in projection relation be also it is certain, corresponding projective transformation matrix [C] be also packet
The matrix of the parameter containing setting angle.Therefore setting transition matrix [E]=[B] [C], then have：[E]=[A] -1 [D].
Point of a knife setting angle parameter as unknown quantity in transition matrix [E] can be obtained by solving above-mentioned matrix.With it is existing
Technology is compared, the invention has the advantages and positive effects that：
The method of present invention deposit hard rock wedge knife mechanical scratching setting angle parameter really, by point of a knife, coining is simultaneously twice
Impression geometry parameter is detected, then by correlation computations, setting angle parameter when obtaining diamond wedge knife mechanical scratching
Method.This method is easy to operate, quick, effective, can quantify to learn the design parameter of setting angle, convenient for scribing process
Feedback study.
The foregoing is merely the preferable case study on implementation of the present invention, are not intended to limit the invention, all the present invention's
Within spirit and principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (7)
- A kind of 1. method of determining diamond wedge knife mechanical scratching setting angle parameter, it is characterised in that：The step of this method It is：S1, the tool coordinate system XYZ-O for initially setting up diamond wedge knife point of a knife, straight line where delineating main sword are X-axis, and coordinate is former For point O in point of a knife point, the reference direction of icking tool orientation angle is Y-axis, and Z axis is determined by the spiral right-hand rule；Three swords at S2, diamond wedge knife point of a knife are provided by the form of linear vector, and be expressed as the unit of blade to Moment matrix [A]；S3, delineation coordinate system X ' Y ' Z '-O are established, coordinate origin is still point of a knife point；Plane determined by X ' Y '-O is to carve The working surface drawn；Delineation coordinate system X ' Y ' Z '-O are regarded as tool coordinate system XYZ-O by adjusting icking tool setting angle square Battle array [B] is obtained by coordinate conversion；The angle of the projection and X ' axis of S4, main sword in X ' Y '-O planes is the azimuth after icking tool adjustment；Main sword is in X ' Z '-O The projection of plane and the angle of X ' axis are pitch angle, and the angle between XZ-O planes and X ' Z '-O planes is roll angle；S5, in delineation coordinate system X ' Y ' Z '-O, through projective transformation matrix [C], by three swords of diamond wedge knife point of a knife to X ' Y '-O plane projections, gained blade projection line unit length respectively to X ' axis and Y ' axial projections, throw by the blade after being projected Shadow vector matrix [D], above-mentioned matrix [A], matrix [B], matrix [C], there are following relationships for matrix [D]：[A] [B] [C]=[D]；S6, setting transition matrix [E]=[B] [C], then have [E]=[A] -1 [D], solving the matrix can obtain as transition square The point of a knife setting angle parameter of unknown quantity in battle array [E].
- 2. the method for determining diamond wedge knife mechanical scratching setting angle parameter according to claim 1, feature exist In：Three swords at the point of a knife of the diamond wedge knife are a main sword, two attached swords.
- 3. the method for determining diamond wedge knife mechanical scratching setting angle parameter according to claim 1, feature exist In：In step 1, after diamond wedge knife is made, the geometric parameter of cutter is fixed known or measurable, blade Unit vector matrix [A] be known.
- 4. the method for determining diamond wedge knife mechanical scratching setting angle parameter according to claim 1, feature exist In：In steps of 5, blade projection vector matrix [D] can pass through vertical two-dimensional detection figure of the point of a knife after grating blank impression It is provided as measuring.
- 5. the method for determining diamond wedge knife mechanical scratching setting angle parameter according to claim 4, feature exist In：The tool for measuring vertical two-dimensional detection image of the point of a knife after grating blank impression is that can measure light microscope or scanning electricity Sub- microscope.
- 6. the method for determining diamond wedge knife mechanical scratching setting angle parameter according to claim 5, feature exist In：Vertical two-dimensional detection image of the point of a knife after grating blank impression, by coining twice, can obtain coining cutting edge and delineation side To or delineation coordinate system between relationship, the projection vector matrix [D] in delineation plane X ' Y '-O is conveniently obtained.
- 7. the method for determining diamond wedge knife mechanical scratching setting angle parameter according to claim 1, feature exist In：After point of a knife setting angle adjusts, pass through projection relation of the unit vector matrix [A] of known blade into delineation plane It is certain, corresponding projective transformation matrix [C] is the matrix for including setting angle parameter.
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| CN109093666B (en) * | 2018-08-10 | 2020-08-21 | 安徽格林开思茂光电科技股份有限公司 | Method for cutting touch screen at one time by using cutting tool |
| CN110039101B (en) * | 2019-05-24 | 2021-06-22 | 长春理工大学 | V-shaped groove planing and back-etching combined machining method |
| CN110026745A (en) * | 2019-05-24 | 2019-07-19 | 长春理工大学 | A kind of V-groove double plane iron-quarter combined machining method |
| CN110596804B (en) * | 2019-09-19 | 2020-12-08 | 中国科学院长春光学精密机械与物理研究所 | Method for adjusting azimuth angle of grating graver |
| CN110579827B (en) * | 2019-09-19 | 2020-12-08 | 中国科学院长春光学精密机械与物理研究所 | Method for adjusting azimuth angle of grating graver |
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