CN109405721B - Correcting tool and method for correcting dividing head by using same - Google Patents
Correcting tool and method for correcting dividing head by using same Download PDFInfo
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- CN109405721B CN109405721B CN201811521100.3A CN201811521100A CN109405721B CN 109405721 B CN109405721 B CN 109405721B CN 201811521100 A CN201811521100 A CN 201811521100A CN 109405721 B CN109405721 B CN 109405721B
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000003801 milling Methods 0.000 claims abstract description 51
- 238000009434 installation Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 239000003550 marker Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/245—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing perpendicularity
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- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
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Abstract
The invention discloses a correction tool, which comprises a correction table frame, a pair of gauge members and a connecting member, wherein the correction table frame comprises a horizontal transverse plate; the two L-shaped plates are arranged in parallel, and each L-shaped plate comprises a first support plate vertically arranged and a second support plate horizontally arranged, and the first support plate and the second support plate are vertically connected; two first dial indicator mounting holes and two second dial indicator mounting holes are respectively formed in the first support plate and the second support plate along the length direction of the second support plate and the length direction of the first support plate and the second support plate, and a first locking hole and a second locking hole which are perpendicularly intersected with the first dial indicator mounting holes and the second dial indicator mounting holes are respectively formed in the side surfaces of two sides of the first support plate and the second support plate. Therefore, the connecting piece is respectively connected with the main shaft of the milling machine and the correction meter frame, the two dial indicators are fixed on the first dial indicator mounting hole and the second dial indicator mounting hole to correct the bus and the side bus on the dividing head, and the correction method is high in correction efficiency and correction precision.
Description
Technical Field
The invention belongs to the technical field of machining clamping, and particularly relates to a correction tool and a method for correcting an index head by using the same.
Background
Accurate and rapid calibration of a fixture or part is an essential process in machining and is directly related to the accuracy of the machined part. The dividing head is a dividing clamp commonly used by a numerical control milling machine and a common milling machine, and when the dividing head is detached and reinstalled on a machine tool, a certain degree of positioning error can be generated, and the parallelism of a bus on the side of the dividing head to the axis of the workbench and the perpendicularity error of an upper bus to the axis of the workbench are corrected by the aid of a dial indicator and a correction core rod.
The existing correction method is that a correction core rod is arranged on a dividing head, a dial indicator is arranged on a correction table frame, the correction table frame is absorbed on a milling machine guide rail or a main shaft, the dial indicator head is beaten at the highest point in the Z-axis direction of the correction core rod, a milling machine workbench is longitudinally moved back and forth, and the parallelism error of a bus on the dividing head to the X-axis of the workbench is adjusted according to the reading error value of the dial indicator; when the bus on the side of the dividing head is corrected, a correction core rod is arranged on the dividing head, a dial indicator is arranged on a correction meter frame and is simultaneously sucked on a guide rail or a main shaft of the milling machine, the dial indicator head is arranged at the highest point in the Y-axis direction of the correction core rod, a workbench of the milling machine is longitudinally moved back and forth, and the perpendicularity error of the bus on the side of the dividing head to the Y-axis of the workbench is adjusted according to the reading error value of the dial indicator.
The index head is required to be repeatedly adjusted by the method, and the index head main shaft and the X and Y axes of the workbench can be kept parallel or perpendicular after the index head is simultaneously adjusted in two directions and the index head is required to be repeatedly moved back and forth for more than three times. For workers with low skills, the correction time is long, the correction accuracy is likely to not meet the requirement that the parallelism and the perpendicularity are 0.035mm in the length range of 300mm, so that the existing correction table frame and the correction method are used for correcting the clamp, the efficiency is low, and the correction accuracy is not high.
Disclosure of Invention
Accordingly, the present invention is directed to a calibration tool and a method for calibrating a head using the same, which solve the problems of low efficiency and low accuracy of calibrating a head in the prior art.
The invention relates to a correction tool, which comprises a correction table frame 3 for installing a dial indicator 4, wherein the correction table frame 3 comprises:
a horizontal plate 31 horizontally arranged, and a light hole 311 is arranged in the center of the horizontal plate 31;
the two parallel L-shaped plates 32, each L-shaped plate 32 comprises a vertically arranged first support plate and a horizontally arranged second support plate, the vertically connected first support plate is vertically connected with the lower part of the transverse plate 31, and the vertically arranged second support plate is vertically arranged with the transverse plate 31;
two first dial indicator mounting holes 321 and two second dial indicator mounting holes 323 are respectively arranged on the first and second support plates along the length direction of the second and first support plates, and a first locking hole 322 and a second locking hole 324 which are perpendicularly intersected with the first and second dial indicator mounting holes are respectively arranged on the side surfaces of the two sides of the first and second support plates.
From the top, the connecting piece 2 passes through the unthreaded hole 311, so that the transverse plate 31 is clamped on the step 23 of the connecting piece 2, and is connected with the connecting piece 2 through a nut arranged at the lower part of the transverse plate 31, and meanwhile, the upper end of the connecting piece 2 is connected with a milling machine spindle; when the upper bus bar and the side bus bar of the index head are corrected, the two dial indicators 4 are respectively fixed on the second dial indicator mounting hole and the first dial indicator mounting hole, the two dial indicators 4 are corrected by using the upper bus bar pair reference surface 911 and the side bus bar pair reference surface 912 of the pair member 9, and then the upper bus bar and the side bus bar of the index head 8 are respectively corrected by using the two corrected dial indicators 4.
Preferably, the device also comprises a counter 9 arranged on the guide rail of the milling machine table, and comprises a counter head 91 and a base 92 which is integrated with the lower part of the counter head 91; the pair of heads 91 has a horizontal water end face 911 as a calibration upper bus bar pair reference surface and a vertical side face 912 perpendicular to the upper end face 911 as a calibration side bus bar pair reference surface.
From above, when the calibration of the index head side bus bar is performed, the calibration side bus bar is used to calibrate the two dial indicators 4 mounted on the calibration table frame first, and then the two calibrated dial indicators 4 are used to calibrate the side bus bar of the index head 8; in the same way, when the calibration of the upper bus bar of the index head is performed, the upper bus bar is used for calibrating the two dial indicators 4 mounted on the calibration table frame 3 on the surface reference surface 911, and then the upper bus bar of the index head 8 is calibrated by using the two calibrated dial indicators 4, so that the calibration efficiency is high and the calibration precision is high.
Preferably, two positioning keys 93 for positioning the pair of surface members 9 are further provided at the lower portion of the base 92.
From the above, through these two locating keys 93 will be to the piece 9 location on milling machine table guide rail, conveniently correct percentage table 4.
Preferably, the cross section of the pair of heads 91 is right trapezoid or square.
A method of calibrating an index head using the calibration tool described above, comprising:
the first step: the correcting core rod 7 is horizontally arranged between the dividing head 8 and the center 6;
and a second step of: connecting the connecting piece 2 with the milling machine spindle 1 and the correction table frame 3 respectively;
and a third step of: mounting the counter 9 on the milling machine guide;
fourth step: two dial indicators 4 are respectively installed on the first dial indicator installation holes 321, and the two dial indicators 4 are corrected by the correction side bus bar of the meter 9 and the meter reference surface 912;
fifth step: correcting the side generatrix of the index head 8 with the two said dial indicators 4 corrected in the fourth step:
sixth step: two dial gauges 4 are respectively installed on two second dial gauge installation holes 323, and the dial gauges 4 are corrected by using the corrected upper bus bar of the gauge 9 to the gauge reference surface 911;
seventh step: the upper generatrix of the index head 8 is calibrated with the two said dial indicators 4 calibrated in the sixth step.
By the above, the dial indicator 4 is installed by using the correction table frame 3 to correct the dividing head 8, the correction is more rapid and accurate, the correction speed is improved by more than two times, the correction precision reaches 0.01mm, and the disassembly is convenient.
Preferably, in the fourth step, the method for correcting the two dial indicators 4 with the correction-side busbar of the pair of gauges 9 on the gauge surface 912 is as follows:
and (3) moving the milling machine spindle 1, respectively pushing the end parts of the meter rods of the two dial indicators 4 onto the calibration side bus pair surface reference surface 912 of the pair of meter members 9, adjusting the left-right distance of the two dial indicators 4 to enable the readings of the two dial indicators 4 pressed into the pair of meter members 9 to be consistent, and tightening the locking screw 5 to lock the two dial indicators 4.
Preferably, in the fifth step, the method for correcting the side bus bar of the index head 8 by using the corrected two percentages table 4 is as follows:
and moving the milling machine spindle 1, pushing the end parts of the calibrated dial indicators 4 against a side bus of the calibration mandrel 7, moving the milling machine spindle 1 up and down along the Z-axis direction of the milling machine, loosening the dividing head 8 and adjusting the elevation angle until the highest point of the Y-axis direction of the calibration mandrel 7 is found, and locking the dividing head 8 until the readings of the two dial indicators 4 are consistent.
Preferably, in the sixth step, the method for correcting the two dial indicators 4 on the gauge reference surface 911 by using the corrected upper busbar of the gauge 9 is as follows:
and (3) moving the milling machine spindle 1, respectively pushing the end parts of the meter rods of the two dial indicators 4 onto the correction upper bus pair surface reference surface 911 of the meter 9, adjusting the left-right distance of the two dial indicators 4 to enable the readings of the two dial indicators 4 pressed into the meter 9 to be consistent, and tightening the locking screw 5 to lock the two dial indicators 4.
Preferably, in the seventh step, the method for correcting the upper bus bar of the index head 8 by using the two percentages table 4 corrected in the sixth step is as follows:
and moving the milling machine spindle 1, pushing the end parts of the calibrated meter rods of the two dial indicators 4 against the upper bus of the calibrating mandrel 7, moving the milling machine spindle 1 back and forth along the Y-axis direction of the milling machine until the highest point of the calibrating mandrel 7 in the Z-axis direction is found, loosening the dividing head 8, and adjusting the elevation angle until the readings of the two dial indicators 4 are consistent, and locking the dividing head 8.
Drawings
FIG. 1 is a front view of a correction table frame;
FIG. 2 is a cross-sectional view of a calibration table frame;
FIG. 3 is a top view of a calibration chart frame;
FIG. 4 is a cross-sectional view of the calibration phantom and the connector;
FIG. 5 is a front view of the mounting of the dial indicator calibration table rack when calibrating the busbar on the index head;
FIG. 6 is a front view of the mounting of the dial calibration chart rack when calibrating the index head side bus;
FIG. 7 is a front view of a watch piece;
FIG. 8 is a side view of the pair of gauges;
FIG. 9 is a top view of the pair of gauges;
FIG. 10 is a schematic view of the installation of a milling machine spindle, a connector, a calibration gauge stand, a dial indicator, and a pair of gauges when the dial indicator is calibrated to a reference surface with a calibrated upper busbar of the pair of gauges;
fig. 11 is a schematic installation diagram of fig. 11 when the milling machine spindle 1, the connector 2, the calibration table frame 3, and the dial indicator 4 are used to calibrate the side bus bar of the calibration mandrel 7.
Detailed Description
A correction tool comprising a correction table frame 3, a counter member 9 and a connecting member 2 as shown in fig. 5 and 6.
As shown in fig. 1 to 3, a correction chart frame 3 includes a horizontally disposed cross plate 31, two parallel disposed L-shaped plates 32 connected to the lower surface of the cross plate 31 at the lower portion thereof; an optical hole 311 is provided in the center of the cross plate 31 for connection with a connector 2 described later; the L-shaped plate 32 comprises a vertically-connected first support plate and a horizontally-arranged second support plate, the first support plate is vertically connected with the transverse plate 31, the second support plate is vertically arranged with the transverse plate 31, two first dial indicator mounting holes 321 are formed in the first support plate along the length direction of the second support plate, first locking holes 322 which are vertically intersected with the two first dial indicator mounting holes 321 are formed in the side surfaces of the two sides of the first support plate respectively, two second dial indicator mounting holes 323 are formed in the second support plate along the length direction of the first support plate, and second locking holes 324 which are vertically intersected with the two second dial indicator mounting holes 323 are formed in the side surfaces of the two sides of the second support plate respectively.
As shown in fig. 4, a conical connecting piece 2 is used for connecting the milling machine spindle 1 and the correction table frame 3, a morse 2# inner conical hole 22 is arranged in the center of the conical connecting piece, a threaded hole 21 is arranged at the upper end of the morse 2# inner conical hole 22, and the threaded hole 21 is communicated with the morse 2# inner conical hole 22 and is used for being in threaded connection with the milling machine spindle 1; the lower end of the connecting piece 2 is provided with a step 23, the outer surface of the lower end side of the connecting piece 2 at the lower part of the step 23 is provided with threads 24, the lower end of the connecting piece 2 passes through the unthreaded hole 311 on the correcting table frame 3 from the upper end of the correcting table frame 3, the transverse plate 31 is clamped on the step 23, and a nut arranged at the lower part of the transverse plate 31 is matched with the threads 24 on the lower end of the connecting piece 2 to fixedly connect the correcting table frame 3 with the connecting piece 2.
As shown in fig. 5, when the upper bus bar of the mandrel 7 is calibrated, the meter bars of the two dial indicators 4 are respectively passed through the two second dial indicator mounting holes 323, and then the two dial indicators 4 are respectively locked by the locking screws 5 through the two second locking holes 324.
As shown in fig. 6, when the side bus bar of the mandrel 7 is corrected, the meter bars of the two dial indicators 4 are respectively passed through the two first dial indicator mounting holes 321, and then the two dial indicators 4 are respectively locked by the locking screws 5 through the two first locking holes 322.
As shown in fig. 7 to 9, which are structural drawings of the counter 9, it includes a pair of heads 91 with right trapezoid cross section arranged at the upper part and a cuboid base 92 arranged at the lower part of the pair of heads 91, the pair of heads 91 and the cuboid base 92 are integrated, the upper end face 911 of the pair of heads 91 is a calibration upper bus bar reference surface, the vertical side 912 is a calibration side bus bar reference surface, and the vertical side 912 and the upper end face of the cuboid base 92 form a step; two positioning keys 93 are further arranged at the lower part of the rectangular base 92, when the counter 9 is clamped into the mounting groove of the guide rail A of the milling machine table, the counter 9 is fixed by the positioning keys 93, fig. 10 is a schematic mounting diagram of the milling machine spindle 1, the connecting piece 2, the calibration table frame 3, the dial indicator 4 and the counter 9 when the calibration upper bus of the counter 9 is used for calibrating the counter reference surface 911 and the calibration core rod 7 is used for calibrating the side bus of the counter 1, the connecting piece 2, the calibration table frame 3 and the dial indicator 4, and fig. 11 is a schematic mounting diagram.
The following describes a method for correcting the index head by using the correction table frame 3, the connector 2, the counter 9, and the correction mandrel 7:
the first step: the correcting core rod 7 is horizontally arranged between the center 6 and the dividing head 8;
the dividing head 8 and the center 6 matched with the dividing head 8 are fixed on the vertical milling machine by using a vice screw, the correction core rod 7 is arranged between the dividing head and the center 6, and the center 6 is tightly pressed by rotating a pressing nut on the center 6.
And a second step of: connecting a milling machine main shaft 1, a connecting piece 2 and a correction table frame 3;
the screw hole 21 in the upper end of the connecting piece 2 is in threaded connection with the milling machine spindle 1, then the unthreaded hole 311 on the correction table frame 3 penetrates through the lower end of the connecting piece 2, the transverse plate 31 on the correction table frame 3 is clamped on the step 23 on the connecting piece 2, and the nut arranged on the lower part of the transverse plate 31 is in matched connection with the screw thread 24 on the outer surface of the lower end of the connecting piece 2, so that the correction table frame 3 is fixedly connected with the connecting piece 2.
And a third step of: mounting the counter 9 on a milling machine table guide rail;
the positioning key 91 on the counter 9 is locked in the mounting groove of the milling machine table rail a, and the counter 9 is positioned on the milling machine table rail a with the vice screw.
Fourth step: two dial indicators 4 are respectively fixed on the two first dial indicator mounting holes 321, and the two dial indicators 4 are corrected by the correction side bus bar of the meter 9 and the meter reference surface 912;
the two dial indicators 4 are respectively penetrated through the two first dial indicator mounting holes 321, the milling machine spindle 1 is moved, the end parts of the dial indicators 4 are respectively propped against the correction side bus pair reference surface 912 of the pair of meter members 9, the left and right distances of the two dial indicators 4 are adjusted so that the readings of the two dial indicators 4 pressed into the pair of meter members 9 are consistent, and the locking screw 5 is screwed to lock the two dial indicators 4.
Fifth step: the side generatrix of the index head 8 is calibrated with two dial indicators 4 calibrated in the fourth step:
and (3) moving the milling machine spindle 1, pushing the end part of the calibrated meter rod of the two-percent meter 4 against a side bus of the calibration mandrel 7, moving the milling machine spindle 1 up and down along the Z-axis direction of the milling machine until the highest point of the Y-axis direction of the calibration mandrel 7 is found, loosening the dividing head 8, adjusting the elevation angle of the dividing head 8 until the readings of the two-percent meter 4 are consistent, and fastening the dividing head 8.
Sixth step: two dial indicators 4 are respectively arranged on two second dial indicator mounting holes 323, and two positive dial indicators 4 are calibrated on the reference surface by using a calibrated upper bus of the counter 9;
the two dial indicator 4 rods respectively penetrate through the two second dial indicator mounting holes 323, the milling machine spindle 1 is moved, the marker rod ends of the two dial indicators 4 are respectively propped against the correction upper bus bar pair surface 911 on the pair of meter members 9, the left and right distances of the two dial indicators 4 are adjusted so that the readings of the two dial indicators 4 pressed into the pair of meter members 9 are consistent, and the locking screw 5 is screwed down to lock the two dial indicators 4.
Seventh step: correcting the upper bus of the dividing head 8 by using the two corrected dial indicators 4 in the sixth step;
and (3) moving the milling machine spindle 1, pushing the end part of the calibrated standard rod of the two-percent meter 4 against the upper bus of the calibration mandrel 7, moving the milling machine spindle 1 back and forth along the Y-axis direction of the milling machine until the highest point of the Z-axis direction of the calibration mandrel 7 is found, loosening the dividing head, adjusting the elevation angle of the dividing head 8 until the readings of the two-percent meter 4 are consistent, and fastening the dividing head 8.
By using the correction table frame 3 to install the dial indicator, the index head 8 can be corrected more rapidly and accurately, the correction speed is improved by more than two times, the correction precision reaches 0.01mm, and the disassembly is convenient.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
The cross section of the pair of heads 91 described above may be square in addition to the right trapezoid, and further, a cross-sectional structure having a horizontal upper end face and a vertical face perpendicular to the upper end face is within a protective range.
Claims (7)
1. A correction tool comprising a correction table frame (3) for mounting a dial indicator (4), said correction table frame (3) comprising:
a horizontally arranged cross plate (31), wherein a light hole (311) is arranged in the center of the cross plate (31);
two parallel L-shaped plates (32) which are positioned on the same side relative to the axis of the correction mandrel (7), wherein each L-shaped plate (32) comprises a vertically arranged first support plate and a horizontally arranged second support plate which are vertically connected, the first support plate is vertically connected with the lower part of the transverse plate (31), and the second support plate is vertically arranged with the transverse plate (31);
two first dial indicator mounting holes (321) and two second dial indicator mounting holes (323) are respectively formed in the first support plate and the second support plate along the length direction of the second support plate and the length direction of the first support plate, and a first locking hole (322) and a second locking hole (324) which are perpendicularly intersected with the first dial indicator mounting holes and the second dial indicator mounting holes are respectively formed in the side surfaces of the two sides of the first support plate and the second support plate;
the device also comprises a counter piece (9) arranged on the guide rail of the milling machine workbench, and comprises a counter head (91) and a base (92) which is integrated with the lower part of the counter head (91); the meter head (91) is provided with a horizontal water end surface (911) serving as a calibration upper bus meter reference surface and a vertical side surface (912) serving as a calibration side bus meter reference surface and perpendicular to the upper end surface (911), and two positioning keys (93) for positioning the meter member (9) are further arranged at the lower part of the base (92).
2. Correction tool according to claim 1, characterized in that the cross section of the counter head (91) is right trapezoid or square.
3. A method of calibrating an index head using the calibration tool of claim 1 or 2, comprising:
the first step: the correcting core rod (7) is horizontally arranged between the dividing head (8) and the center (6);
and a second step of: the connecting piece (2) is respectively connected with the milling machine main shaft (1) and the correction table frame (3);
and a third step of: mounting the counter (9) on a milling machine guide rail;
fourth step: respectively installing two dial indicators (4) on a first dial indicator installation hole (321), and correcting the two dial indicators (4) by using a correction side bus bar of the meter member (9) to a meter reference surface (912);
fifth step: correcting the lateral generatrix of the index head (8) with the two dial indicators (4) corrected in the fourth step:
sixth step: respectively installing two dial indicators (4) on two second dial indicator installation holes (323), and correcting the dial indicators (4) by using a correction upper bus of the meter member (9) to a meter reference surface (911);
seventh step: and (3) correcting the upper bus of the dividing head (8) by using the two dial indicators (4) corrected in the sixth step.
4. A method of calibrating an index head according to claim 3,
in a fourth step, the method for correcting the two dial indicators (4) with the correction-side busbar of the counter (9) against the reference surface (912) is:
and (3) moving the milling machine spindle (1), respectively propping the end parts of the meter rods of the two dial indicators (4) against the correction side bus pair surface reference surface (912) of the pair of meter members (9), adjusting the left-right distance of the two dial indicators (4) to enable the readings of the two dial indicators (4) pressed into the pair of meter members (9) to be consistent, screwing the locking screw (5), and locking the two dial indicators (4).
5. The method of calibrating an index head according to claim 4,
in a fifth step, the method for correcting the lateral generatrix of the index head (8) with the corrected two dial indicators (4) is as follows:
and (3) moving the milling machine spindle (1), pushing the end parts of the calibrated meter rods of the two dial indicators (4) on a side bus of the calibration mandrel (7), moving the milling machine spindle (1) up and down along the Z-axis direction of the milling machine, loosening the dividing head (8) until the highest point of the Y-axis direction of the calibration mandrel (7) is found, and adjusting the elevation angle until the readings of the two dial indicators (4) are consistent, and locking the dividing head (8).
6. The method of calibrating an index head according to claim 5,
in a sixth step, the method for correcting the two dial indicators (4) with the correct upper busbar of the pair of gauges (9) against the reference surface (911) is:
and (3) moving the milling machine spindle (1), respectively pushing the end parts of the meter rods of the two dial indicators (4) onto the standard surface (911) of the correction upper bus pair of the meter (9), adjusting the left-right distance of the two dial indicators (4) to enable the readings of the two dial indicators (4) pressed into the meter (9) to be consistent, screwing the locking screw (5), and locking the two dial indicators (4).
7. The method of calibrating an index head according to claim 6, wherein,
in the seventh step, the method for correcting the upper bus bar of the dividing head (8) by using the two dial indicators (4) corrected in the sixth step is as follows:
and (3) moving the milling machine spindle (1), pushing the end parts of the calibrated meter rods of the two dial indicators (4) on an upper bus of the calibrating mandrel (7), moving the milling machine spindle (1) back and forth along the Y-axis direction of the milling machine, loosening the dividing head (8) until the highest point of the calibrating mandrel (7) in the Z-axis direction is found, and adjusting the elevation angle until the readings of the two dial indicators (4) are consistent, and locking the dividing head (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811521100.3A CN109405721B (en) | 2018-12-12 | 2018-12-12 | Correcting tool and method for correcting dividing head by using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811521100.3A CN109405721B (en) | 2018-12-12 | 2018-12-12 | Correcting tool and method for correcting dividing head by using same |
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| CN109405721A CN109405721A (en) | 2019-03-01 |
| CN109405721B true CN109405721B (en) | 2024-01-26 |
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| CN110216511B (en) * | 2019-06-28 | 2024-03-22 | 巨浪凯龙机床（太仓）有限公司 | Correcting tool and correcting method for multi-angle drill bit positioning bolt of main shaft |
| CN114871508B (en) * | 2022-05-30 | 2024-05-03 | 重庆秋田齿轮有限责任公司 | Correction and adjustment method for gear hobbing of integral crankshaft |
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