CN112756636A - Turning method for plate-shaped workpiece - Google Patents
Turning method for plate-shaped workpiece Download PDFInfo
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- CN112756636A CN112756636A CN202011608342.3A CN202011608342A CN112756636A CN 112756636 A CN112756636 A CN 112756636A CN 202011608342 A CN202011608342 A CN 202011608342A CN 112756636 A CN112756636 A CN 112756636A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B1/00—Methods for turning or working essentially requiring the use of turning-machines; Use of auxiliary equipment in connection with such methods
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Abstract
The invention provides a lathing method of a plate-shaped workpiece. The turning method of the plate-shaped workpiece comprises the following steps: step S1: mounting the plate-shaped workpiece on a chuck of a lathe, and turning a first plate surface of the plate-shaped workpiece to form a reference surface; step S2: the plate-shaped workpiece after the primary processing is detached from the chuck and then is installed on a lathe fixture, and an integral structure formed by the lathe fixture and the plate-shaped workpiece is installed on the chuck; the datum plane is arranged towards the lathe fixture, and a preset gap is formed between the datum plane and the lathe fixture; step S3: driving a chuck to drive a plate-shaped workpiece and a lathe fixture to rotate so as to detect the circular runout of a reference surface, and turning a second plate surface of the plate-shaped workpiece when the circular runout reaches a preset value B; wherein, the first face sets up with the second face is relative. The invention effectively solves the problem of lower plate surface processing precision for plate-shaped workpieces with larger sizes in the prior art.
Description
Technical Field
The invention relates to the technical field of lathing of plate-shaped workpieces, in particular to a lathing method of a plate-shaped workpiece.
Background
Conventionally, when a plate surface of a plate-shaped workpiece needs to be machined, the plate-shaped workpiece is generally mounted on a grinding machine to be ground in order to ensure flatness of the plate-shaped workpiece.
In the prior art, because the stroke of the grinding machine is limited, if a plate-shaped workpiece with a large size needs to be machined, a part of the plate surface is usually ground, and then another part of the surface is ground after the plate surface is clamped again. However, the machining accuracy of the above machining method is low, and the flatness requirement of the plate-shaped workpiece cannot be satisfied, which affects the machining quality of the plate-shaped workpiece.
Disclosure of Invention
The invention mainly aims to provide a lathing method of a plate-shaped workpiece, which aims to solve the problem of low plate surface machining precision of the plate-shaped workpiece with a large size in the prior art.
In order to achieve the above object, the present invention provides a turning method of a plate-like workpiece, comprising: step S1: mounting the plate-shaped workpiece on a chuck of a lathe, and turning a first plate surface of the plate-shaped workpiece to form a reference surface; step S2: the plate-shaped workpiece after the primary processing is detached from the chuck and then is installed on a lathe fixture, and an integral structure formed by the lathe fixture and the plate-shaped workpiece is installed on the chuck; the datum plane is arranged towards the lathe fixture, and a preset gap is formed between the datum plane and the lathe fixture; step S3: driving a chuck to drive a plate-shaped workpiece and a lathe fixture to rotate so as to detect the circular runout of a reference surface, and turning a second plate surface of the plate-shaped workpiece when the circular runout reaches a preset value B; wherein, the first face sets up with the second face is relative.
Further, the lathe fixture comprises a fixture body, a plurality of strip-shaped holes are formed in the fixture body at intervals along the circumferential direction, and each strip-shaped hole extends along the radial direction of the fixture body so as to divide the fixture body into multiple parts; the method for mounting the plate-shaped workpiece on the lathe fixture comprises the following steps: step S21: placing a cushion block between the plate-shaped workpiece and the lathe fixture so as to form a preset gap between the lathe fixture and the plate-shaped workpiece; step S22: one end of the fastener penetrates through the plate-shaped workpiece, the cushion block and the strip-shaped hole, and the fastener is locked by using a locking nut.
Further, in step S21, the pad block is plural, and the plural pad blocks are provided at intervals in the circumferential direction of the plate-shaped workpiece.
Further, in step S21, the height of the spacer is 8.5mm or more and 11.5mm or less.
Further, in step S3, the preset value B is equal to or greater than 0.015 and equal to or less than 0.03.
Further, the method of remounting the integrated structure formed by the lathe jig and the plate-like workpiece on the chuck includes: the outer peripheral surface of the lathe jig is clamped by a chuck so that the plate-like workpiece is positioned on the side of the lathe jig away from the chuck.
Furthermore, the plate-shaped workpiece is provided with a plurality of mounting holes which are arranged at intervals along the circumferential direction of the plate-shaped workpiece, and the fasteners are arranged in the mounting holes in a penetrating manner; wherein, a plurality of mounting holes and a plurality of cushion one-to-one set up.
Further, the fastener is a bolt or a screw, the cushion block is of a cylindrical structure, and the outer diameter D of the cylindrical structure1With outer diameter D of the fastener2Satisfies the following relationship: d is not less than 4mm1-D2≤6mm。
Further, the fastener is a bolt or a screw, the cushion block is of a cylindrical structure, and the inner diameter D of the cylindrical structure and the outer diameter D of the fastener2Satisfies the following relationship: D-D is not less than 0.5mm2≤1.5mm。
Further, in step S21, the first plate surface of the spacer directed to the plate-shaped workpiece and the second plate surface of the spacer directed to the lathe jig are provided in parallel with each other.
By applying the technical scheme of the invention, when the plate surface of the plate-shaped workpiece with larger size needs to be machined, the plate-shaped workpiece is firstly installed on a chuck of a lathe, and the first plate surface of the plate-shaped workpiece is turned to form the datum plane. And then, detaching the preliminarily processed plate-shaped workpiece from the chuck and then installing the plate-shaped workpiece on a lathe fixture, installing an integral structure formed by the lathe fixture and the plate-shaped workpiece on the chuck, driving the chuck to drive the plate-shaped workpiece and the lathe fixture to rotate so as to detect the circular runout of the reference surface, and turning a second plate surface of the plate-shaped workpiece when the circular runout reaches a preset value B. Like this, the one-time turning shaping of first face through the lathe tool to the second face is processed as the reference surface to the first face that finishes with the turning, and above-mentioned processing mode ensures that the second face can satisfy the flatness requirement, and then has solved the lower problem of face machining precision to the plate-like work piece of great size in prior art, has promoted the processingquality and the machining precision of plate-like work piece.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows the machining steps of an embodiment of the turning method of a plate-shaped workpiece according to the invention;
FIG. 2 shows a front view of the lathe fixture;
FIG. 3 shows a cross-sectional view A-A of the lathe fixture of FIG. 2;
fig. 4 shows a front view of a plate-shaped workpiece; and
fig. 5 shows a cross-sectional view of the plate-shaped workpiece in fig. 4 in the direction of C-C.
Wherein the figures include the following reference numerals:
10. a clamp body; 20. a strip-shaped hole; 21. a first bar-shaped hole; 22. a second bar-shaped hole; 23. a third strip-shaped hole; 24. a fourth aperture; 25. a fifth strip-shaped hole; 26. a sixth strip-shaped hole; 27. a rectangular hole section; 28. an arcuate bore section; 30. lightening holes; 40. a plate-like workpiece; 41. and (7) installing holes.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
In the present invention, unless stated to the contrary, use of the directional terms "upper and lower" are generally directed to the orientation shown in the drawings, or to the vertical, or gravitational direction; likewise, for ease of understanding and description, "left and right" are generally to the left and right as shown in the drawings; "inner and outer" refer to the inner and outer relative to the profile of the respective member itself, but the above directional terms are not intended to limit the present invention.
In order to solve the problem that the plate surface machining precision of a plate-shaped workpiece with a large size is low in the prior art, the application provides a turning method of the plate-shaped workpiece.
As shown in fig. 1, a turning method of a plate-like workpiece includes:
step S1: mounting the plate-shaped workpiece on a chuck of a lathe, and turning a first plate surface of the plate-shaped workpiece to form a reference surface;
step S2: and (3) detaching the plate-shaped workpiece after the preliminary machining from the chuck, mounting the plate-shaped workpiece on a lathe fixture, and mounting the integral structure formed by the lathe fixture and the plate-shaped workpiece on the chuck. The datum plane is arranged towards the lathe fixture, and a preset gap is formed between the datum plane and the lathe fixture;
step S3: and the driving chuck drives the plate-shaped workpiece and the lathe fixture to rotate so as to detect the circular runout of the datum plane, and when the circular runout reaches a preset value B, the second plate surface of the plate-shaped workpiece is turned. Wherein, the first face sets up with the second face is relative.
By using the technical scheme of the embodiment, the first plate surface is formed by turning the turning tool at one time, and the second plate surface is processed by taking the turned first plate surface as a reference surface, so that the second plate surface can meet the requirement on flatness by the aid of the processing mode, the problem that the plate surface processing precision of the plate-shaped workpiece with a large size in the prior art is low is solved, and the processing quality and the processing precision of the plate-shaped workpiece are improved.
As shown in fig. 2 and 3, the lathe jig includes a jig body 10, and a plurality of strip-shaped holes 20 are provided at intervals in the circumferential direction on the jig body 10, each strip-shaped hole 20 extending in the radial direction of the jig body 10 to bisect the jig body 10. The method for mounting the plate-shaped workpiece 40 on the lathe jig includes:
step S21: placing a cushion block between the plate-shaped workpiece and the lathe fixture so as to form a preset gap between the lathe fixture and the plate-shaped workpiece 40;
step S22: one end of the fastener penetrates through the plate-shaped workpiece, the cushion block and the strip-shaped hole, and the fastener is locked by using a locking nut.
Specifically, by arranging a plurality of strip-shaped holes 20 on the clamp body 10 at intervals in the circumferential direction, the plate-shaped workpiece 40 can be assembled to the clamp body 10 through the strip-shaped holes 20, and then the clamp body 10 and the plate-shaped workpiece 40 are assembled to the chuck, and the plate-shaped workpiece 40 is positioned by using the clamp body 10, the concentricity and the flatness of the plate-shaped workpiece 40 can be ensured, and the machining accuracy is further ensured. Meanwhile, the arrangement ensures that the dial indicator for detecting the circular runout of the reference surface can be contacted with the reference surface for detection, so that the staff can conveniently detect the circular runout of the reference surface; on the other hand, the plate-shaped workpiece, the cushion block and the clamp body 10 are easier and simpler to disassemble and assemble, and the disassembling and assembling difficulty is reduced.
Optionally, the fastener is a bolt or a nut, and after the free end of the bolt or the nut passes through the plate-shaped workpiece, the cushion block and the strip-shaped hole, the locking nut locks the fastener so as to assemble the plate-shaped workpiece, the cushion block and the lathe fixture together.
Alternatively, in step S21, the pad block is plural, and the plural pad blocks are provided at intervals in the circumferential direction of the plate-shaped workpiece. In this way, the arrangement ensures that a preset gap can be formed between the lathe fixture and the plate-shaped workpiece 40, so that a worker can extend the detection probe of the dial indicator onto the reference surface to detect the circular runout amount of the reference surface. Meanwhile, the preset gap is more uniform and consistent due to the arrangement.
Optionally, in step S21, the height of the pad is greater than or equal to 8.5mm and less than or equal to 11.5 mm. Therefore, on one hand, the arrangement ensures that the detection probe of the dial indicator can extend into the preset gap, and the staff can conveniently detect the circular runout of the reference surface; on the other hand, the clamping strength of the lathe fixture on the plate-shaped workpiece 40 is prevented from being influenced by the overlarge preset gap. In this embodiment, the height of cushion is 10mm to make the processing of cushion easier, simple and convenient, reduced the processing cost and the processing degree of difficulty of cushion.
It should be noted that the selected value of the height of the cushion block is not limited to this, and may be adjusted according to the working condition. Optionally, the height of the spacer block is 9mm, or 9.5mm, or 10.5mm, or 11 mm.
Optionally, in step S3, the preset value B is greater than or equal to 0.015 and less than or equal to 0.03. Therefore, the arrangement ensures that the turning processing of the second plate surface meets the flatness requirement on one hand, and improves the processing quality of the plate-shaped workpiece; on the other hand, the processing difficulty of workers is reduced.
In the present embodiment, the preset value B is 0.02. It should be noted that the selected value of the preset value B is not limited thereto, and may be adjusted according to the working condition. Optionally, preset value B is 0.018, or 0.025, or 0.028.
In the present embodiment, the method of remounting the integrated structure formed by the lathe jig and the plate-like workpiece on the chuck includes:
the outer peripheral surface of the lathe jig is clamped by a chuck so that the plate-like workpiece is positioned on the side of the lathe jig away from the chuck.
Particularly, the installation mode makes the disassembly and assembly of the whole structure and the chuck easier and simpler on one hand, and reduces the disassembly and assembly difficulty; on the other hand, the outer peripheral surface and the inner hole of the plate-shaped workpiece are convenient for the working personnel to process, the processing difficulty is reduced, and further the labor intensity of the working personnel is reduced.
Alternatively, the plate-shaped workpiece 40 has a plurality of mounting holes 41, the plurality of mounting holes 41 are provided at intervals in the circumferential direction of the plate-shaped workpiece 40, and fasteners are inserted into the mounting holes 41. Wherein the plurality of mounting holes 41 are provided in one-to-one correspondence with the plurality of pads. As shown in fig. 4 and 5, the plate-shaped workpiece 40 has four mounting holes 41, the four mounting holes 41 are arranged at intervals in the circumferential direction of the plate-shaped workpiece 40, fasteners are inserted into the mounting holes 41, and the four mounting holes 41 are arranged in one-to-one correspondence with the four spacers. Thus, the arrangement makes the mounting and dismounting of the fastener and the plate-shaped workpiece 40 easier and simpler, and reduces the mounting and dismounting difficulty. Meanwhile, the arrangement ensures that the joints of the plate-shaped workpiece 40 and the lathe fixture are provided with the cushion blocks, so that the preset gaps are more uniform and consistent, and the heightening reliability of the cushion blocks is also improved.
The number of the mounting holes 41 is not limited to this, and may be adjusted according to the operating conditions. Optionally, the mounting holes 41 are three, or five, or six, or more.
Optionally, the fastener is a bolt or a screw, the cushion block is of a cylindrical structure, and the outer diameter D of the cylindrical structure1With outer diameter D of the fastener2Satisfies the following relationship: d is not less than 4mm1-D2Less than or equal to 6 mm. Therefore, on one hand, the structure of the cushion block is simpler, the cushion block is easy to process and realize, and the processing cost and the processing difficulty of the cushion block are reduced; on the other hand, the supporting reliability and the supporting strength of the cushion block are improved.
In this embodiment, D1-D25 mm. The outer diameter D of the cylindrical structure1With outer diameter D of the fastener2The relationship between them is not limited to this, and may be adjusted according to the operating conditions. Alternatively, D1-D24.5 mm. Alternatively, D1-D2＝5.5mm。
Optionally, the fastener is a bolt or a screw, the cushion block is a cylindrical structure, and the inner diameter D of the cylindrical structure and the outer diameter D of the fastener are2Satisfies the following relationship: D-D is not less than 0.5mm2Less than or equal to 1.5 mm. Therefore, on one hand, the structure of the cushion block is simpler, the cushion block is easy to process and realize, and the processing cost and the processing difficulty of the cushion block are reduced; on the other hand, the cushion block can be sleeved outside the fastener, so that the cushion block and the fastener can be conveniently disassembled and assembled.
In this embodiment, D-D21 mm. The inner diameter D of the cylindrical structure and the outer diameter D of the fastener are defined2The relationship between them is not limited to this, and may be adjusted according to the operating conditions. Alternatively, D-D20.8 mm. Alternatively, D-D2＝1.2mm。
In this embodiment, in step S21, the first plate surface of the pad facing the plate-shaped workpiece and the second plate surface of the pad facing the lathe jig are arranged in parallel to each other.
In the present embodiment, four strip-shaped holes 20 of the plurality of strip-shaped holes 20 of the lathe jig bisect the jig body 10 in the circumferential direction of the jig body 10, and three strip-shaped holes 20 of the plurality of strip-shaped holes 20 bisect the jig body 10 in the circumferential direction of the jig body 10. In this way, whether the plate-shaped workpiece 40 is connected to the jig body 10 through the four bar-shaped holes 20 that quarterly divide the jig body 10 or the plate-shaped workpiece 40 is connected to the jig body 10 through the three bar-shaped holes 20 that trisect the jig body 10, the plate-shaped workpiece 40 can have good concentricity and flatness after the plate-shaped workpiece 40 is assembled to the jig body 10.
As shown in fig. 2 and 3, a lightening hole 30 is provided at a central position of the jig body 10, and a plurality of bar-shaped holes 20 are surrounded at an outer periphery of the lightening hole 30. By providing the lightening holes 30 in the fixture body 10 and lightening by using the lightening holes 30, the weight of the lathe fixture can be reduced, and the assembly is facilitated.
The hole type of the lightening hole 30 includes, but is not limited to, a circular hole, a polygonal hole, and an elliptical hole, as long as the lightening hole 30 can be used for lightening.
In the present embodiment, the lightening holes 30 are circular holes, and the diameter of the lightening holes 30 is between 0 and 100 mm. Setting the lightening holes 30 within the above range can secure a sufficient length of the bar holes 20 while achieving lightening. If the aperture of the lightening hole 30 is larger than 100mm, the aperture of the lightening hole 30 is too large, and the length of the strip-shaped hole 20 is too short, so that the universality of the lathe fixture is affected.
Wherein, the aperture of the lightening hole 30 can be 10mm, 20mm, 30mm, 40mm, 50mm, 60mm, 70mm, 80mm, 90mm and other values between 0 and 100 mm.
In the present embodiment, the length of the strip-shaped hole 20 is between 100mm and 850mm, and the width of the strip-shaped hole 20 is between 8mm and 24 mm. By setting the size of the strip-shaped hole 20 within the above-described interval, the versatility of the lathe jig can be ensured.
The length of the strip-shaped holes 20 can be 200mm, 400mm, 600mm, 800mm and other values between 100mm and 850 mm. The width of the strip-shaped holes 20 can be 10mm, 15mm, 20mm and other values between 8mm and 24 mm.
As shown in fig. 2 and 3, in the present embodiment, the jig body 10 has a disc-shaped configuration. After the plate-shaped workpiece 40 is assembled to the jig body 10, since the jig body 10 has a disc-shaped configuration, the flatness of the plate-shaped workpiece 40 can be ensured. In addition, the clamp body 10 is set to be in a disc-shaped structure, so that the clamp has the advantages of simple structure and low cost.
In the present embodiment, the ratio of the length of the strip-shaped hole 20 to the outer diameter of the jig body 10 is between 2/3 and 4/5. The ratio of the length of the strip-shaped hole 20 to the outer diameter of the clamp body 10 is set within the above range, so that the lathe clamp can be ensured to have good universality.
In the present embodiment, the outer diameter of the jig body 10 is between 100mm and 1000mm, and the thickness of the jig body 10 is between 10mm and 35 mm. The outer diameter and the thickness of the clamp body 10 are set within the range, so that the strength of the clamp body 10 can be ensured, and the clamp body 10 is prevented from deforming.
If the outer diameter of the clamp body 10 is smaller than 100mm and the thickness of the clamp body 10 is smaller than 10mm, the strength of the clamp body 10 itself is low. If the outer diameter of the jig body 10 is greater than 1000mm and the thickness of the jig body 10 is greater than 35mm, the weight of the jig body 10 itself is large, which is inconvenient to assemble.
As shown in fig. 2, in the present embodiment, the jig body 10 includes a first bar-shaped hole 21, a second bar-shaped hole 22, a third bar-shaped hole 23, a fourth bar-shaped hole 24, a fifth bar-shaped hole 25, and a sixth bar-shaped hole 26, which are sequentially arranged in the circumferential direction of the jig body 10, the first bar-shaped hole 21, the second bar-shaped hole 22, the fourth bar-shaped hole 24, and the sixth bar-shaped hole 26 quarterly divide the jig body 10 in the circumferential direction of the jig body 10, and the first bar-shaped hole 21, the third bar-shaped hole 23, and the fifth bar-shaped hole 25 trisecting the jig body 10 in the circumferential direction of the jig body 10.
Wherein, the included angle between two adjacent bar-shaped holes between the first bar-shaped hole 21, the second bar-shaped hole 22, the fourth bar-shaped hole 24 and the sixth bar-shaped hole 26 is 90 °, and the included angle between two adjacent bar-shaped holes between the first bar-shaped hole 21, the third bar-shaped hole 23 and the fifth bar-shaped hole 25 is 120 °.
Through set up first bar hole 21, second bar hole 22, third bar hole 23, fourth bar hole 24, fifth bar hole 25 and sixth bar hole 26 in order along the circumference of anchor clamps body 10 on anchor clamps body 10, can be applicable to multiple plate-like work piece in the trompil as few as possible.
Specifically, the jig body 10 can be quartered by the first, second, fourth, and sixth bar-shaped holes 21, 22, 24, and 26, the jig body 10 can be trisected by the first, third, and fifth bar-shaped holes 21, 23, and 25, and the jig body 10 can be hexa-bisected (four of the six-bisected six sides) by the first, third, fourth, and fifth bar-shaped holes 21, 23, 24, and 25.
In the present embodiment, the lathe tool can be applied to various plate-shaped workpieces by selectively connecting the strip-shaped holes 20 of the tool body 10 according to the distribution of the communication holes in the plate-shaped workpiece 40.
As shown in fig. 2, in the present embodiment, the bar-shaped hole 20 includes a rectangular hole section 27 and two arc-shaped hole sections 28, the two arc-shaped hole sections 28 are respectively disposed at two ends of the rectangular hole section 27, and the arc-shaped hole sections 28 are in smooth transition with the rectangular hole section 27. By adopting the structure, the fastener can move in the strip-shaped hole 20 conveniently.
In the present embodiment, the lathe jig is used for a horizontal lathe.
The device provided by the embodiment has the following beneficial effects:
(1) the plate-shaped workpiece 40 can be directly finished on a lathe fixture at one time, and the plate-shaped workpiece 40 can be ensured to have good concentricity, flatness and verticality;
(2) the lathe fixture can be applied to various plate-shaped workpieces by selectively connecting the strip-shaped holes 20 on the fixture body 10 according to the distribution of the communication holes on the plate-shaped workpiece 40.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
the first plate surface is formed by turning the turning tool at one time, and the second plate surface is machined by taking the turned first plate surface as a reference surface, the second plate surface can meet the requirement on flatness by the aid of the machining mode, the problem that the plate surface machining precision of the plate-shaped workpiece with the large size in the prior art is low is solved, and the machining quality and the machining precision of the plate-shaped workpiece are improved.
It is to be understood that the above-described embodiments are only a few, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A turning method of a plate-like workpiece, characterized by comprising:
step S1: mounting a plate-shaped workpiece on a chuck of a lathe, and turning a first plate surface of the plate-shaped workpiece to form a reference surface;
step S2: the plate-shaped workpiece after the primary processing is detached from the chuck and then is installed on a lathe fixture, and an integral structure formed by the lathe fixture and the plate-shaped workpiece is installed on the chuck; the datum plane is arranged towards the lathe fixture, and a preset gap is formed between the datum plane and the lathe fixture;
step S3: driving the chuck to drive the plate-shaped workpiece and the lathe fixture to rotate so as to detect the circular runout of the reference surface, and turning a second plate surface of the plate-shaped workpiece when the circular runout reaches a preset value B; wherein, the first face sets up with the second face is relative.
2. The turning method of a plate-shaped workpiece according to claim 1, characterized in that the turning jig includes a jig body (10), a plurality of strip-shaped holes (20) are provided at intervals in a circumferential direction on the jig body (10), each of the strip-shaped holes (20) extending in a radial direction of the jig body (10) to bisect the jig body (10) by a large amount; wherein the method of mounting a plate-like workpiece (40) on the lathe jig comprises:
step S21: placing a cushion block between the plate-shaped workpiece and the lathe fixture so that the preset gap is formed between the lathe fixture and the plate-shaped workpiece (40);
step S22: and one end of a fastener penetrates through the plate-shaped workpiece, the cushion block and the strip-shaped hole, and the fastener is locked by using a locking nut.
3. The turning method of a plate-like workpiece according to claim 2, wherein in step S21, the spacer is provided in plurality, and the spacer is provided in plurality at intervals in a circumferential direction of the plate-like workpiece.
4. The turning method of a plate-like workpiece according to claim 2, wherein in step S21, the height of the spacer is 8.5mm or more and 11.5mm or less.
5. The turning method of a plate-like workpiece according to claim 1, characterized in that in the step S3, the preset value B is 0.015 or more and 0.03 or less.
6. The turning method of a plate-like workpiece according to claim 1, wherein the method of remounting the integrated structure formed by the turning jig and the plate-like workpiece on the chuck comprises:
and clamping the outer peripheral surface of the lathe fixture by using the chuck so that the plate-shaped workpiece is positioned on the side of the lathe fixture far away from the chuck.
7. The turning method of a plate-like workpiece according to claim 2, characterized in that the plate-like workpiece (40) has a plurality of mounting holes (41), the plurality of mounting holes (41) are provided at intervals in a circumferential direction of the plate-like workpiece (40), and the fasteners are inserted into the mounting holes (41); wherein the mounting holes (41) are arranged in one-to-one correspondence with the spacers.
8. The turning method of a plate-like workpiece according to claim 2, wherein the fastener is a bolt or a screw, the spacer is a cylindrical structure, and an outer diameter D of the cylindrical structure1With the outer diameter D of the fastener2Satisfies the following relationship: d is not less than 4mm1-D2≤6mm。
9. The turning method of a plate-like workpiece according to claim 2, wherein the fastening member is a bolt or a screw, the spacer is a cylindrical structure, and an inner diameter D of the cylindrical structure and an outer diameter D of the fastening member are set to be equal to each other2Satisfies the following relationship: D-D is not less than 0.5mm2≤1.5mm。
10. The turning method of a plate-shaped workpiece according to claim 2, wherein in step S21, the first plate surface of the pad facing the plate-shaped workpiece and the second plate surface of the pad facing the lathe jig are arranged in parallel with each other.
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2020
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| JP2007118184A (en) * | 2002-02-04 | 2007-05-17 | Air Products & Chemicals Inc | Apparatus and method for machining hard metal with reduced adverse affect of white layer effect |
| CN201693183U (en) * | 2010-05-07 | 2011-01-05 | 邯郸市永固冶金备件有限公司 | Template suspending device for aligned machining of roll pass |
| RU2013100509A (en) * | 2013-01-09 | 2014-07-20 | Открытое Акционерное Общество "Выксунский Металлургический Завод" | METHOD OF EFFECTIVE FULL PROFILE MECHANICAL TREATMENT OF RAILWAYS |
| CN103212723A (en) * | 2013-05-02 | 2013-07-24 | 鞍山红拖机械制造股份有限公司 | Clamping die walking processing method for large-sized metal thin-wall pipe fitting |
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| DE202016103064U1 (en) * | 2015-02-24 | 2016-06-28 | Vandurit GmbH Hartmetall und Diamantwerkzeuge | Device for machining a rotating workpiece |
| CN108161735A (en) * | 2017-12-26 | 2018-06-15 | 青岛理工大学 | Variable-diameter type circular sheet clamp structure and method |
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