Tool and method for machining circular ring blank into arc-shaped part

Abstract

The invention provides a tool for processing a circular ring blank into an arc-shaped part, the circular ring blank comprises a to-be-processed surface and an annular cavity arranged in the to-be-processed surface, and the tool is characterized by comprising a workbench used for bearing the circular ring blank, and an arc-shaped part arranged on the workbench and extending upwards, the connecting mechanism can penetrate through the annular cavity, and the fixing mechanism and the connecting mechanism are relatively fixed together in a selective mode. Wherein the fixing mechanism is constructed to be capable of applying downward acting force to the circular ring blank and allowing the circular ring blank to keep away from a machining area of a to-be-machined surface. In this way, the circular ring blank and the workbench can be relatively fixed together in the vertical direction, and therefore the cutting end can cut the face to be machined in the direction parallel to the axis of the face to be machined. Therefore, the processing procedures can be reduced, the processing flow is simplified, and the processing efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of ring blank processing, and in particular, to a tooling and method for processing a ring blank into an arc-shaped part. Background Art

[0002] In the field of machining, it is often necessary to machine a machined surface 101 extending axially of a ring blank 10 as shown in Figure 1 and cut the machined surface 101 along a direction parallel to the axis to obtain a plurality of parts with an arc-shaped end face.

[0003] In the prior art, for such a machining process, the ring blank 10 is usually placed on a three-jaw chuck (not shown in the figure), and a radially inward acting force is applied to the ring blank 10 along the circumferential direction through the three-jaw chuck, so as to fix the ring blank 10 on the workbench 1. Then, the cutting device 20 is started, and the cutting end 201 of the cutting device 20 is used to cut the machined surface 101, thereby completing the machining operation of the machined surface 101.

[0004] In this way, although the machining operation of the machined surface 101 can be achieved, the process of continuously cutting the ring blank 10 by the cutting end 201 along a direction parallel to the axis cannot be satisfied. Specifically, after the cutting end 201 cuts the ring blank 10 along a direction parallel to the axis, each cut part will move radially inward due to the radially inward acting force applied to it by the three-jaw chuck.

[0005] Therefore, in this machining method, during the process of cutting the ring blank 10 along a direction parallel to the axis, a margin is usually left for the thickness of the circular blank 10, and then another process is used to complete the cutting, so as to machine the ring blank into a plurality of arc-shaped parts. In this machining method, the machining process is cumbersome, the machining flow is complex, and the machining efficiency is low. Summary of the Invention

[0006] Aiming at the deficiencies in the prior art, the present invention provides a tooling and method for processing a ring blank into an arc-shaped part. To achieve the above object, the present invention adopts the following technical solutions: A tooling for processing a ring blank into an arc-shaped part, the ring blank including a machined surface and an annular cavity provided in the machined surface, characterized in that the tooling includes a workbench for receiving the ring blank, a connecting mechanism provided on the workbench and extending upward and allowing to pass through the annular cavity, and a fixing mechanism fixedly connected to the connecting mechanism in a selective manner. Wherein, the fixing mechanism is configured to apply a downward force to the ring blank and allow the machining area of the surface to be machined to be avoided.

[0007] Furthermore, the fixing mechanism includes a fixing part fixedly connected to the connecting mechanism in a selectable manner, and a limiting part arranged on the fixing part and extending radially outward to abut against the ring blank.

[0008] Furthermore, the connecting mechanism includes a connecting rod relatively fixed on the workbench and extending upward to penetrate the fixing part, and a locking part that allows the connecting rod to be fixedly connected to the connecting rod in a selectable manner and can limit the fixing part axially.

[0009] Furthermore, an external thread is arranged on the connecting rod along the connecting rod, and the locking part is arranged as a nut that cooperates with the external thread to limit the fixing part during the movement along the external thread.

[0010] Furthermore, the connecting mechanism is arranged as at least two and is respectively fixedly connected to the fixing part to limit the circumferential movement of the fixing part.

[0011] Furthermore, the tooling further includes a positioning mechanism that is relatively fixed to the workbench in a selectable manner, is used to carry the ring blank, and position the placement position of the ring blank.

[0012] Furthermore, the positioning mechanism includes a disk arranged on the workbench and capable of carrying the ring blank. A first counterbore is arranged on the disk. A screw fastener for relatively fixing the positioning mechanism and the workbench is arranged in the first counterbore in a selectable manner. A side wall extending upward is also arranged on the disk. The side wall and the disk together form a cavity for accommodating the ring blank.

[0013] Furthermore, a reference mechanism is relatively fixed in the cavity in a selectable manner. The reference mechanism is configured to carry the ring blank and allow the end face of the reference mechanism to coincide with the end face of the machined ring blank, so that the reference mechanism can provide a reference for the machining of the ring blank.

[0014] Furthermore, the reference mechanism includes a reference part. The reference part is arranged in a split structure and can be arranged in the cavity in the case of being surrounded, and allows its radial outer side to abut against the side wall. On the reference part, a side plate extending upward and avoiding the machining area of the surface to be machined is also arranged. The side plate is configured to allow the radial outer side of the ring blank to abut against it, thereby positioning the ring blank.

[0015] According to a second aspect of the present invention, there is provided a method for processing a ring blank into an arc-shaped part. The processing method is implemented by using the above-mentioned tooling for processing a ring blank into an arc-shaped part and a cutting device, and includes the steps: Step 1, installation of the positioning disk: Set the disk body on the workbench, and relatively fix the disk body and the workbench together through screw fasteners; Step 2, installation of the reference mechanism: Set the reference part in the cavity, and relatively fix the reference part and the disk body together; Step 3, positioning of the ring blank: Set the ring blank on the reference disk, and make the surface to be processed abut against the side plate; Step 4, fixing of the ring blank: Pass the fixing part through the connecting rod, and make the limiting part abut against the upper end surface of the ring blank, At the same time, pass the locking part through the connecting rod, and rotate the locking part along the external thread on the connecting rod until it abuts against the fixing part, so that the fixing part applies a force towards the ring blank; Step 5, processing of the ring blank: Start the cutting device, and make the cutting end of the cutting device move close to the reference disk, and set the movement track of the cutting end along the shape of the reference disk to realize the processing of the circular blank.

[0016] Compared with the prior art, the present invention has the following beneficial effects: In the present invention, a workbench for receiving the ring blank is provided, which is arranged on the workbench and extends upward, and a connecting mechanism that allows passing through the annular cavity, and a fixing mechanism that is relatively fixed to the connecting mechanism in a selectable manner, and the fixing mechanism is configured to be able to apply a downward force to the ring blank and allow avoiding the processing area of the surface to be processed. In this way, the ring blank can be relatively fixed to the workbench in the vertical direction, so that the cutting end can cut the surface to be processed along a direction parallel to its axis. Specifically, in this setting mode, the ring blank is subjected to a vertical force, thereby avoiding the situation that the cut part inwardly converges due to the radially inward force during the process of cutting the ring blank vertically by the cutting end. Thus, the processing procedure can be reduced, the processing flow can be simplified, and the processing efficiency can be improved. Description of the Drawings

[0017] The present invention will be further described below with reference to the drawings and embodiments: Figure 1 It is a schematic diagram of the overall structure of a ring blank in the prior art; Figure 2 It is a schematic diagram of the overall structure of an arc-shaped part in the prior art; Figure 3Schematic diagram of the overall structure of the tooling for machining a ring blank into an arc-shaped part and the cutting equipment according to an embodiment of the present invention; Figure 4 Schematic diagram of the overall structure of the tooling for machining a ring blank into an arc-shaped part according to an embodiment of the present invention; Figure 5 Schematic diagram of the overall structure of the fixing mechanism according to an embodiment of the present invention; Figure 6 Schematic diagram of the overall structure of the positioning mechanism according to an embodiment of the present invention; Figure 7 Schematic diagram of the overall structure of the reference mechanism according to an embodiment of the present invention.

[0018] In the above-mentioned drawings: the tooling 100 for machining a ring blank into an arc-shaped part, the ring blank 10, the surface to be machined 101, the annular cavity 102, the cutting equipment 20, the cutting end 201, the workbench 1, the connecting mechanism 2, the connecting rod 21, the external thread 211, the locking part 22, the fixing mechanism 3, the fixing part 31, the fixing hole 311, the limiting part 32, the positioning mechanism 4, the disc body 41, the first counterbore 411, the second connecting hole 412, the side wall 42, the cavity 43, the reference mechanism 5, the reference part 51, the second counterbore 511, the side plate 52. Detailed implementation manners

[0019] The technical solutions in the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0020] In order to better understand the purpose, structure and function of the present invention, the tooling for machining a ring blank into an arc-shaped part and its method according to the present invention will be further described in detail below with reference to the accompanying drawings.

[0021] For convenience, the direction along the extension of the ring blank is referred to as "axial direction", "vertical direction" or similar terms, the direction perpendicular to the "axial direction" is referred to as "radial direction", "horizontal direction" or similar terms, the direction along the movement of the ring blank towards the workbench is referred to as "downward" or similar terms, and the direction along the movement of the workbench towards the ring blank is referred to as "upward" or similar terms.

[0022] As Figure 1 、 2, as shown in FIGS. 3, the ring blank 10 generally includes a surface to be machined 101 and an annular cavity 102 provided in the surface to be machined 101. The machining of the surface to be machined 101 is usually carried out by a cutting device 20 (such as a machining center and its analogues). In this setting, the cutting end 201 of the cutting device 20 can perform cutting machining on the ring blank 10 during the movement along the surface to be machined 101, thereby obtaining an arc-shaped part. It should be noted that the structure of the ring blank 10 and the machining method of the ring blank 10 by the cutting device 20 are well known to those skilled in the art.

[0023] Figure 3 Schematically shows the overall structure of the tooling for machining a ring blank into an arc-shaped part according to the present invention. In the Figure 3 embodiment shown, the tooling 100 for machining a ring blank into an arc-shaped part includes a workbench 1 for receiving the ring blank 10, a connecting mechanism 2 provided on the workbench 1 and extending upward and allowing to pass through the annular cavity 102. At the same time, the tooling 100 further includes a fixing mechanism 3 fixedly connected to the connecting mechanism 2 in a selectable manner.

[0024] In this embodiment, as Figure 4 shown, the fixing mechanism 3 is configured to allow it to abut against the ring blank 10 and apply a downward force to the ring blank 10. In this way, the ring blank 10 can be stably placed on the workbench 1.

[0025] At the same time, as Figure 4 shown, the fixing mechanism 3 is further configured to avoid the machining area of the surface to be machined 101. Specifically, the position where the fixing mechanism 3 abuts against the ring blank 10 is an area that is not machined. Thus, interference between the fixing mechanism 3 and the cutting end 201 can be avoided.

[0026] In this setting, as Figure 3 shown, when machining the ring blank 10 is required, first place the ring blank 10 on the workbench 1 and make the connecting mechanism 2 on the workbench 1 pass through the annular cavity 102. At the same time, place the fixing mechanism 3 on the connecting mechanism 2 and make the fixing mechanism 3 abut against the ring blank 10.

[0027] In addition, fixedly connect the fixing mechanism 3 and the connecting mechanism 2 together, so that the fixing mechanism 3 stably applies a downward force to the ring blank 10. Thus, the ring blank 10 is stably placed on the workbench 1. It should be noted that the edge position of the fixing mechanism 3 avoids the machining area of the surface to be machined 101. Thus, the arrangement of the device 100 is completed.

[0028] At this time, start the cutting device 20 and make the cutting end 201 continuously move towards the ring blank 10, so as to cut the surface to be machined 101. Thus, the cutting work on the ring blank 10 is realized.

[0029] In one embodiment, as Figure 5 shown, the fixing mechanism 3 includes a fixing portion 31, and the fixing portion 31 is configured to be fixedly connected to the connecting mechanism 2 in a selective manner. A limiting portion 32 that extends radially outward and abuts against the ring blank 10 is further provided on the fixing portion 31.

[0030] In this embodiment, as Figure 5 shown, the limiting portion 32 is provided at a position of the ring blank 10 that is not machined. In this way, the fixing mechanism 3 can not only fix the ring blank 10 but also avoid interference with the cutting end 201.

[0031] In one embodiment, as Figure 4 shown, the connecting mechanism 2 includes a connecting rod 21 that is relatively fixed on the workbench 1 and extends upward. The connecting rod 21 is configured to penetrate through the fixing portion 31 and extend to the outside. Specifically, a fixing hole 311 is provided on the fixing portion 31, and the fixing hole 311 is configured to allow the connecting rod 21 to be received.

[0032] At the same time, as Figure 4 shown, the connecting mechanism 2 further includes a locking portion 22. In this embodiment, the locking portion 22 is configured to be selectively fixedly connected to the connecting rod 21 and can limit the fixing portion 31 axially. In this way, the fixing mechanism 3 can stably abut against the ring blank 10, and further the ring blank 10 is stably arranged on the workbench 1.

[0033] According to a preferred embodiment of the present invention, as Figure 4 shown, an external thread 211 is provided on the connecting rod 21 along the connecting rod 21. At the same time, the locking portion 22 is provided as a nut that cooperates with the external thread 211. In this way, the locking portion 22 can move along the connecting rod 21 on the connecting rod 21.

[0034] In this process, the fixing portion 31 can be limited by the locking portion 22, so that the fixing portion 31 stably abuts against the ring blank 10. Thus, the ring blank 10 is further stably arranged on the workbench 1. It should be noted that the external thread 211 extends from its free end to the annular cavity 102 on the connecting rod 21, so that the locking portion 22 can abut against the ring blank 10 when moving along the external thread 211.

[0035] According to a preferred embodiment of the present invention, as Figure 4 shown, the connecting mechanism 2 is provided with at least two, and is capable of being relatively fixed to the fixing part 31 respectively. Specifically, at least two fixing holes 311 are provided on the fixing part 31, and the two fixing holes 311 can respectively correspond to the connecting rods 21 to respectively accommodate the connecting rods 21. In this way, the two connecting rods 21 can limit the circumferential movement of the fixing part 31. Thus, the ring blank 10 can be further stably arranged on the workbench 1.

[0036] In this setting mode, as Figure 3 shown, when the ring blank 10 needs to be processed, first place the ring blank 10 on the workbench 1, and make the two connecting rods 21 located on the workbench 1 pass through the annular cavity 102. At the same time, the fixing part 31 is respectively passed through the two fixing holes 311 and sleeved on the connecting rods 21, and the limiting part 32 connected to the fixing part 31 is made to abut against the ring blank 10.

[0037] At this time, locking parts 22 are respectively arranged on the connecting rods 21, and a force is applied to the locking parts 22, so that the locking parts 22 move along the external threads on the connecting rods 21 until the locking parts 22 abut against the fixing part 31. Thus, the limiting part 32 can be made to abut against the ring blank 10. Thus, the ring blank 10 is stably arranged on the workbench 1, and the arrangement of the device 100 is completed.

[0038] Then, start the cutting device 20, and make the cutting end 201 continuously move towards the ring blank 10, so as to cut the surface to be processed 101. Thus, the cutting work on the ring blank 10 is realized.

[0039] In one embodiment, as Figure 4 shown, the tooling 100 further includes a positioning mechanism 4 for carrying the ring blank 10, and the positioning mechanism 4 is configured to be relatively fixed to the workbench 1 in a selectable manner. In this setting mode, when the ring blank 10 needs to be placed on the workbench 1, the ring blank 10 can be made to abut against the positioning mechanism 4. Thus, the placement position of the ring blank 10 can be positioned, thereby improving the processing efficiency.

[0040] In this embodiment, as Figure 6As shown, the positioning mechanism 4 includes a disk body 41 disposed on the workbench 1 and capable of carrying the ring blank 10. A first counterbore 411 is provided on the disk body 41, and a screw fastener (not shown in the figure) for relatively fixing the positioning mechanism 4 and the workbench 1 together is selectively provided in the first counterbore 411. In this way, the disk body 41 can be relatively fixed to the workbench 1. Thus, it can be used to limit the movement of the disk body 41. It should be noted that a first connection hole (not shown in the figure) corresponding to the first counterbore 411 and capable of cooperating with the screw fastener is provided on the workbench 1.

[0041] Meanwhile, as Figure 6 shown, on the disk body 41, a side wall 42 extending upward is further provided along the disk body 41. The side wall 42 encloses to form a cavity 43 together with the disk body 41. The cavity 43 is configured to allow the ring blank 10 to be accommodated. Thus, the ring blank 10 can be placed in the cavity 43. In this way, the ring blank 10 can be further positioned.

[0042] According to a preferred embodiment of the present invention, as Figure 4 shown, a reference mechanism 5 is selectively provided in the cavity 43. The reference mechanism 5 is configured to be able to carry the ring blank 10 and make the end face of the reference mechanism 5 coincide with the end face of the machined ring blank 10. In this way, the reference mechanism 5 can provide a reference for the machining of the ring blank 10. Specifically, by providing the reference mechanism 5, the area of the ring blank 10 that needs to be machined can be marked. Thus, the machining efficiency can be improved.

[0043] In one embodiment, as Figure 7 shown, the reference mechanism 5 includes a reference portion 51. The reference portion 51 is provided with a split structure, and is configured to be able to be provided in the cavity 43 in a surrounding state and allow its radially outer side to be in contact with the side wall 42.

[0044] Meanwhile, a second counterbore 511 is provided on the reference portion 51, and a second connection hole 412 corresponding to the second counterbore 511 is further provided on the disk body 41. A bolt (not shown in the figure) is selectively provided in the second counterbore 511 and the second connection hole 412, and the bolt is configured to be able to cooperate with the second counterbore 511 and the second connection hole 412 together. In this setting mode, the reference portion 51 can be relatively fixed to the disk body 41.

[0045] Meanwhile, as Figure 7As shown, on the reference part 51, a side plate 52 extending upward is further provided. The side plate 52 is configured to allow the radial outer side of the ring blank 10 to abut against each other, so as to position the ring blank 10. It should be noted that the installation position of the side plate 52 avoids the processing area of the surface to be processed 101, so as to prevent interference between the side plate 52 and the cutting end 201.

[0046] Figure 3 The second embodiment of the present invention is shown. In this embodiment, a method for machining a ring blank into an arc-shaped part is provided. The machining method is realized by using a tooling 100 for machining a ring blank into an arc-shaped part and a cutting device 20.

[0047] In one embodiment, the machining method includes the steps: Step 1, installation of the positioning mechanism 4: Set the disk body 41 on the workbench 1, and make the first counterbore 411 on the disk body 41 correspond to the first connection hole (not shown in the figure) on the workbench 1. At the same time, set a screw fastener (not shown in the figure) in the first counterbore 411, and make the screw fastener cooperate with the first counterbore 411 and the first connection hole respectively, so as to fix the positioning mechanism 4 on the workbench 1; Step 2, installation of the reference mechanism 5: Set the reference part 51 in the cavity 43, make the second counterbore 511 on the reference part 51 correspond to the second connection hole 412 of the disk body 41. At the same time, set a bolt in the second counterbore 511, and make the bolt cooperate with the second counterbore 511 and the second connection hole 412 respectively, so as to fix the reference mechanism 5 on the positioning mechanism 4; Step 3, positioning of the ring blank 10: Set the ring blank 10 on the reference part 51, and make the radial outer side of the ring blank 10 abut against the side plate 52; Step 4, fixation of the ring blank 10: Insert the fixing part 31 through the fixing hole 311 into the connecting rod 21, and make the fixing part 31 continuously move on the connecting rod 21 until the limiting part 32 connected to the fixing part 31 abuts against the ring blank 10; At the same time, insert the locking part 22 through the connecting rod 21, and make the locking part 22 rotate along the external thread 211 on the connecting rod 21 until it abuts against the fixing part 31, so that the fixing part 31 applies a force to the ring blank 10; Step 5, machining of the ring blank 10: Start the cutting device 20, and make the cutting end 201 of the cutting device 20 approach the reference disk 5, and set the movement track of the cutting end 201 along the shape of the reference part 51 to realize the machining of the circular blank 10.

[0048] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.

Claims

1. A tooling for processing a ring blank into an arc-shaped part. The ring blank (10) includes a surface to be machined (101) and an annular cavity (102) provided in the surface to be machined (101). Characterized in that, The tooling (100) includes a workbench (1) for receiving the ring blank (10), a connecting mechanism (2) provided on the workbench (1) and extending upward and allowing to pass through the annular cavity (102), and a fixing mechanism (3) fixedly connected to the connecting mechanism (2) in a selectable manner. Wherein, the fixing mechanism (3) is configured to apply a downward force to the ring blank (10) and allow to avoid the machining area of the surface to be machined (101).

2. The tooling for processing a ring blank into an arc-shaped part according to claim 1, wherein, The fixing mechanism (3) includes a fixing part (31) fixedly connected to the connecting mechanism (2) in a selectable manner, and a limiting part (32) provided on the fixing part (31) and extending radially outward for abutting against the ring blank (10).

3. The tooling for machining a ring blank into an arc-shaped part according to claim 2, characterized in that, The connecting mechanism (2) includes a connecting rod (21) relatively fixed on the workbench (1) and extending upward for passing through the fixing part (31), and a locking part (22) allowing to be fixedly connected to the connecting rod (21) in a selectable manner and capable of axially limiting the fixing part (31).

4. The tooling for machining a ring blank into an arc-shaped part according to claim 3, characterized in that, An external thread (211) is provided on the connecting rod (21) along the connecting rod (21). The locking part (22) is provided as a nut mating with the external thread (211) for limiting the fixing part (31) during the movement along the external thread (211).

5. The tooling for machining a ring blank into an arc-shaped part according to claim 4, characterized in that, The connecting mechanism (2) is provided with at least two and is respectively fixedly connected to the fixing part (31) for limiting the circumferential movement of the fixing part (31).

6. The tooling for processing a ring blank into an arc-shaped part according to claim 5, characterized in that, The tooling (100) further includes a positioning mechanism (4) relatively fixed to the workbench (1) in a selectable manner for carrying the ring blank (10) and positioning the placement position of the ring blank (10).

7. The tooling for machining a ring blank into an arc-shaped part according to claim 6, characterized in that, The positioning mechanism (4) includes a disk body (41) provided on the workbench (1) and capable of carrying the ring blank (10). A first counterbore (41) is provided in the disk body (41). A screw fastener for relatively fixing the positioning mechanism (4) and the workbench (1) is provided in the first counterbore (41) in a selectable manner. A side wall (42) extending upward is further provided on the disk body (41). The side wall (42) and the disk body (41) together enclose a cavity (43) for accommodating the ring blank (10).

8. The tooling for processing a ring blank into an arc-shaped part according to claim 7, characterized in that, A reference mechanism (5) is relatively fixed in the cavity (43) in a selectable manner. The reference mechanism (5) is configured to carry the ring blank (10) and allow the end face of the reference mechanism (5) to coincide with the end face of the machined ring blank (10) so that the reference mechanism (5) can provide a reference for the machining of the ring blank (10).

9. The tooling for processing a ring blank into an arc-shaped part according to claim 8, characterized in that, The reference mechanism (5) includes a reference part (51). The reference part (51) is provided with a split structure and can be arranged in the cavity (43) when surrounded, and allows its radially outer side to be in contact with the side wall (42). On the reference part (51), there is also a side plate (52) extending upward and avoiding the processing area of the surface to be machined (101). The side plate (52) is configured to allow contact with the radially outer side of the ring blank (10), so as to position the ring blank (10).

10. A method for machining a ring blank into an arc-shaped part, characterized in that, The processing method is realized by using the tooling for processing a ring blank into an arc-shaped part according to any one of claims 1 to 8 and a cutting device (20), and includes the steps of: Step 1, installation of the positioning disk (4): Set the disk body (41) on the workbench (1), and relatively fix the disk body (41) and the workbench (1) together through screw fasteners; Step 2, installation of the reference mechanism (5): Set the reference part (51) in the cavity (43), and relatively fix the reference part (51) and the disk body (41) together; Step 3, positioning of the ring blank (10): Set the ring blank (10) on the reference disk (5), and make the surface to be machined (101) in contact with the side plate (51); Step 4, fixing of the ring blank (10): Pass the fixing part (31) through the connecting rod (21), and make the limiting part (32) in contact with the upper end surface of the ring blank (10). At the same time, pass the locking part (22) through the connecting rod (21), and rotate the locking part (22) along the external thread (211) on the connecting rod (21) until it is in contact with the fixing part (31), so that the fixing part (31) exerts a force on the ring blank (10); Step 5, processing of the ring blank (10): Start the cutting device (20), and make the cutting end (201) of the cutting device (20) move close to the reference disk (5), and set the movement track of the cutting end (201) along the shape of the reference disk (5) to realize the processing of the circular blank (10).

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