CN111805014A - Method and system for measuring A, B axis intersection degree of numerical control gear hobbing machine - Google Patents
Method and system for measuring A, B axis intersection degree of numerical control gear hobbing machine Download PDFInfo
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- CN111805014A CN111805014A CN202010612445.0A CN202010612445A CN111805014A CN 111805014 A CN111805014 A CN 111805014A CN 202010612445 A CN202010612445 A CN 202010612445A CN 111805014 A CN111805014 A CN 111805014A
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- dial indicator
- measuring
- hobbing machine
- intersection
- axes
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000005520 cutting process Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/10—Arrangements for compensating irregularities in drives or indexing mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/12—Other devices, e.g. tool holders; Checking devices for controlling workpieces in machines for manufacturing gear teeth
- B23F23/1218—Checking devices for controlling workpieces in machines for manufacturing gear teeth
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Sensing Apparatuses (AREA)
Abstract
The invention discloses a method and a system for measuring A, B shaft intersection of a numerical control gear hobbing machine, wherein the method specifically comprises the following steps: s1: adjusting the tool holder to a first position; s2: reading the number of the dial indicator or the dial indicator at the highest position of the tool rest mandrel when the pointer of the dial indicator or the dial indicator is aligned with the tool rest mandrel at the first position; s3: adjusting the tool holder to a second position; s4: the system comprises a movable base arranged on the upper surface of the machine body of the numerical control gear hobbing machine, a measuring device is arranged on the movable base, and the measuring device is connected with the movable base through a connecting frame. The invention realizes the measurement of the distance deviation of the A shaft and the B shaft, thereby compensating the distance deviation of the axes of the A shaft and the B shaft on the Z shaft, ensuring the gear cutting precision of a machine tool and improving the production efficiency.
Description
Technical Field
The invention relates to the field of machinery, in particular to a method and a system for measuring the intersection degree of A, B axes of a numerical control gear hobbing machine.
Background
In the design process of the numerical control gear hobbing machine, the axes of the A shaft and the B shaft of the machine tool are on the same plane so as to ensure the gear cutting precision of the gear hobbing machine. However, due to factors such as machining deviation, installation error and gravity, the axes of the A shaft and the B shaft of the gear hobbing machine usually deviate, a distance is generated in the Z-axis direction, and finally the gear cutting precision is not up to the standard.
Disclosure of Invention
In view of the above, the present invention provides a device.
The purpose of the invention is realized by the following technical scheme:
a method for measuring the intersection degree of A, B axes of a numerical control gear hobbing machine comprises the following steps:
s1: adjusting the tool holder to a first position;
s2: reading the number of the dial indicator or the dial indicator at the highest position of the tool rest mandrel when the pointer of the dial indicator or the dial indicator is aligned with the tool rest mandrel at the first position;
s3: adjusting the tool holder to a second position;
s4: and aligning the pointer of the dial indicator or the dial indicator to the highest position of the tool rest mandrel when the tool rest is at the second position, and reading the number of the dial indicator or the dial indicator.
Further, the first position is a position which forms an angle of 0 degree with the horizontal direction.
Further, the method for adjusting to the second position is as follows:
the tool holder in said first position is rotated 180 ° clockwise or counterclockwise.
Further, the method for obtaining the intersection is shown as the following formula:
L＝0.5·(h2-h1)
wherein: h is1Indicating the number of the dial indicator or the dial indicator obtained in the step S2;
h2and indicating the dial indicator or dial indicator obtained in the step S4.
Further, the steps between S2 and S3 are as follows:
keeping the position of the tool rest, and moving the dial indicator or the dial indicator until the dial indicator or the dial indicator is completely separated from the tool rest;
the steps between S3 and S4 are as follows:
and keeping the position of the tool rest, and moving the dial indicator or the dial indicator until the position of S4 can be completed.
A system based on the method is characterized in that: the numerical control gear hobbing machine comprises a movable base arranged on the upper surface of a machine body of the numerical control gear hobbing machine, wherein a measuring device is arranged on the movable base, and the measuring device is connected with the movable base through a connecting frame.
Further, a fixed workbench is arranged between the movable base and the lathe bed.
Furthermore, a cushion block is arranged between the movable base and the fixed workbench.
And further, the device also comprises an optical inclinometer for checking whether an included angle between the tool rest and the horizontal position is zero.
Further, the method comprises the following steps: the measuring device is a dial indicator or a dial indicator.
The invention has the beneficial effects that:
the invention realizes the measurement of the distance deviation of the A shaft and the B shaft, thereby compensating the distance deviation of the axes of the A shaft and the B shaft on the Z shaft, ensuring the gear cutting precision of a machine tool and improving the production efficiency.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings, in which:
FIG. 1 is a flow chart of the method;
FIG. 2 is a schematic diagram of the method;
FIG. 3 is a front view of a system for measuring the intersection of axes of a numerically controlled hobbing machine A, B;
figure 4 is a side view of a system for measuring the intersection of the axes of a numerically controlled hobbing machine A, B.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are illustrative of the invention only and are not limiting upon the scope of the invention.
The embodiment provides a method for measuring the intersection of the A, B axes of the numerical control gear hobbing machine, which adopts a dial indicator or a dial indicator for measurement, and the embodiment adopts the dial indicator as shown in fig. 1 and 2, wherein the method specifically comprises the following steps:
s1: and adjusting the tool rest to a first position, wherein the first position is a position at which the included angle between the axial direction of the tool rest and the horizontal direction is 0 degree, and finely adjusting the position of the tool rest by adopting an optical clinometer to ensure that the included angle between the tool rest and the horizontal direction is 0 degree.
S2: reading the number of the dial indicator or the dial indicator at the highest position of the tool rest mandrel when the pointer of the dial indicator is aligned with the tool rest mandrel at the first position, and recording the number as h1And then move the dial indicator backward.
In at least one embodiment, for ease of operation, the reading of the reading is performed by zeroing the reading of the dial indicator.
S3: and adjusting the tool rest to a second position, namely rotating the tool rest at the first position clockwise or anticlockwise by 180 degrees, and advancing the dial indicator.
S4: the pointer of the dial indicator is aligned with the tool rest and is in the second positionThe highest position of the tool rest mandrel is read, and the reading number of the dial indicator is recorded as h2。
The intersection is obtained as follows:
L＝0.5·(h2-h1)
wherein: h is1Indicating the dial indicator or dial indicator obtained at S2;
h2and a dial indicator or indicator of the dial indicator obtained at S4.
Based on the method, the embodiment also provides a system for measuring the intersection degree of the axes A, B of the numerical control gear hobbing machine based on the method, as shown in fig. 3 and 4, and the system comprises a measuring device 1, a connecting frame 2, a movable base 3, a cushion block 4, a fixed workbench 5 and an optical inclinometer.
The fixed table 5 is disposed on the machine tool body, and may be fixed on the machine tool body as a base of the whole system, or may be made of a material having a relatively high density so as to increase the weight of the whole system, such as iron, and the fixed table 5 is used to prevent the measurement device 1 from shaking during measurement.
The movable base 3, the connecting frame 2 and the measuring device 1 are sequentially connected, the measuring device 1 is used for obtaining the readings of the highest points of the tool rest mandrel at the first position and the second position of the tool rest, and the measuring device 1 can be a dial indicator or a dial indicator.
The connecting frame 2 is used for connecting the movable base 3 and the measuring device 1, and in at least one embodiment, the connecting frame 2 is rod-shaped, i.e. the distance between the measuring device 1 and the movable base 3 can not be adjusted, which has the advantage of good stability. The angle of inclination of the connecting frame 2 to the horizontal can be designed according to the actual requirements when mounting.
In at least one embodiment, the connecting frame 2 is configured to adjust the distance between the movable base 3 and the measuring device 1, and specifically, includes two connecting shafts, the top end of one of the connecting shafts is connected to the measuring device 1, the bottom end of the other connecting shaft is hinged to the movable base 3, and the other two ends are connected through a rotating shaft, so that the distance between the measuring device 1 and the movable base 3 can be adjusted by adjusting the rotating angle.
The movable base 3 is used for moving the measuring device 1 forwards or backwards;
in at least one embodiment, the movable base 3 comprises a rectangular block and a pulley disposed at the bottom of the rectangular block;
in at least one embodiment, the mobile base 3 comprises only rectangular blocks, the movement being achieved by means of active friction with the underlying object.
A cushion block 4 is arranged between the movable base 3 and the fixed workbench 5, and when the height of the movable base 3 can enable the measuring device 1 to complete measurement, the cushion block 4 is not needed.
And an optical inclinometer (not shown in the figure) for checking whether the included angle between the tool rest and the horizontal position is zero, namely, when the tool rest is adjusted to the first position and the second position, the optical inclinometer is used for determining whether the tool rest deviates.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (10)
1. A method for measuring the degree of intersection of the A, B axes of a numerically controlled gear hobbing machine, characterized by: the method comprises the following specific steps:
s1: adjusting the tool holder to a first position;
s2: reading the number of the dial indicator or the dial indicator at the highest position of the tool rest mandrel when the pointer of the dial indicator or the dial indicator is aligned with the tool rest mandrel at the first position;
s3: adjusting the tool holder to a second position;
s4: and aligning the pointer of the dial indicator or the dial indicator to the highest position of the tool rest mandrel when the tool rest is at the second position, and reading the number of the dial indicator or the dial indicator.
2. The method for measuring the intersection of the axes of a numerically controlled hobbing machine A, B of claim 1, wherein: the first position is a position which forms an included angle of 0 degree with the horizontal direction.
3. The method for measuring the intersection of the axes of a numerically controlled hobbing machine A, B of claim 2, wherein: the method for adjusting to the second position comprises the following steps:
the tool holder in said first position is rotated 180 ° clockwise or counterclockwise.
4. The method for measuring the intersection of the axes of a numerically controlled hobbing machine A, B of claim 1, wherein: the intersection is obtained as follows:
L＝0.5·(h2-h1)
wherein: h is1Indicating the number of the dial indicator or the dial indicator obtained in the step S2;
h2and indicating the dial indicator or dial indicator obtained in the step S4.
5. The method for measuring the intersection of the axes of a numerically controlled hobbing machine A, B of claim 1, wherein: the steps between S2 and S3 are as follows:
keeping the position of the tool rest, and moving the dial indicator or the dial indicator until the dial indicator or the dial indicator is completely separated from the tool rest;
the steps between S3 and S4 are as follows:
and keeping the position of the tool rest, and moving the dial indicator or the dial indicator until the position of S4 can be completed.
6. A system for measuring the intersection of axes of a numerically controlled hobbing machine A, B according to any of claims 1 to 5, characterized in that: the numerical control gear hobbing machine comprises a movable base arranged on the upper surface of a machine body of the numerical control gear hobbing machine, wherein a measuring device is arranged on the movable base, and the measuring device is connected with the movable base through a connecting frame.
7. The system for measuring the intersection of the axes of a digitally controlled hobbing machine A, B of claim 6, wherein: a fixed workbench is arranged between the movable base and the lathe bed.
8. The system for measuring the intersection of the axes of a digitally controlled hobbing machine A, B of claim 7, wherein: and a cushion block is arranged between the movable base and the fixed workbench.
9. The system for measuring the intersection of the axes of a digitally controlled hobbing machine A, B of claim 6, wherein: the optical inclinometer is used for detecting whether the included angle between the tool rest and the horizontal position is zero.
10. The system for measuring the intersection of the axes of a digitally controlled hobbing machine A, B of claim 6, wherein: the measuring device is a dial indicator or a dial indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010612445.0A CN111805014A (en) | 2020-06-30 | 2020-06-30 | Method and system for measuring A, B axis intersection degree of numerical control gear hobbing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010612445.0A CN111805014A (en) | 2020-06-30 | 2020-06-30 | Method and system for measuring A, B axis intersection degree of numerical control gear hobbing machine |
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| Publication Number | Publication Date |
|---|---|
| CN111805014A true CN111805014A (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010612445.0A Pending CN111805014A (en) | 2020-06-30 | 2020-06-30 | Method and system for measuring A, B axis intersection degree of numerical control gear hobbing machine |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85108987A (en) * | 1985-12-10 | 1987-06-24 | 株式会社小松制作所 | Having can be around the using method of the numerically-controlled machine of the worktable of two concurrent aceses rotation |
| EP1009572A1 (en) * | 1997-09-05 | 2000-06-21 | The Gleason Works | Method of determining cutting blade positional errors in face hobbing cutters |
| CN201423556Y (en) * | 2009-05-22 | 2010-03-17 | 宝山钢铁股份有限公司 | Rotary measurement knife setting device |
| EP2249991A1 (en) * | 2008-03-14 | 2010-11-17 | The Gleason Works | Runout compensation on machine tools |
| CN102768028A (en) * | 2012-06-04 | 2012-11-07 | 天津大学 | Method and device for online in-situ measurement with single joint arm |
| CN103659297A (en) * | 2012-09-26 | 2014-03-26 | 兄弟工业株式会社 | Numerical control device and adjustment method for turntable position |
| CN109129006A (en) * | 2018-09-20 | 2019-01-04 | 杭州力龙液压有限公司 | The modification method of the horizontal linkage motion cutting centre rotational axis position deviation of four axis |
| CN209263840U (en) * | 2019-01-30 | 2019-08-16 | 中国工程物理研究院机械制造工艺研究所 | A kind of accurate measurement bracket |
-
2020
- 2020-06-30 CN CN202010612445.0A patent/CN111805014A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85108987A (en) * | 1985-12-10 | 1987-06-24 | 株式会社小松制作所 | Having can be around the using method of the numerically-controlled machine of the worktable of two concurrent aceses rotation |
| EP1009572A1 (en) * | 1997-09-05 | 2000-06-21 | The Gleason Works | Method of determining cutting blade positional errors in face hobbing cutters |
| EP2249991A1 (en) * | 2008-03-14 | 2010-11-17 | The Gleason Works | Runout compensation on machine tools |
| CN201423556Y (en) * | 2009-05-22 | 2010-03-17 | 宝山钢铁股份有限公司 | Rotary measurement knife setting device |
| CN102768028A (en) * | 2012-06-04 | 2012-11-07 | 天津大学 | Method and device for online in-situ measurement with single joint arm |
| CN103659297A (en) * | 2012-09-26 | 2014-03-26 | 兄弟工业株式会社 | Numerical control device and adjustment method for turntable position |
| CN109129006A (en) * | 2018-09-20 | 2019-01-04 | 杭州力龙液压有限公司 | The modification method of the horizontal linkage motion cutting centre rotational axis position deviation of four axis |
| CN209263840U (en) * | 2019-01-30 | 2019-08-16 | 中国工程物理研究院机械制造工艺研究所 | A kind of accurate measurement bracket |
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Application publication date: 20201023 |