CN114226872B

CN114226872B - Gear shaping device and gear shaping method

Info

Publication number: CN114226872B
Application number: CN202111524697.9A
Authority: CN
Inventors: 李建斌; 王小刚; 程永龙; 王警卫; 张军顺; 段红磊; 陈全征
Original assignee: China Railway Engineering Equipment Group Co Ltd CREG
Current assignee: China Railway Engineering Equipment Group Co Ltd CREG
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2023-04-21
Anticipated expiration: 2041-12-14
Also published as: CN114226872A

Abstract

The invention provides a gear shaping device and a gear shaping method, wherein the gear shaping device comprises: the grinding wheel is installed on the grinding machine, the grinding machine is installed on the locking mechanism through the translation mechanism, the locking mechanism can be locked on the gear, and the translation mechanism can drive the grinding machine to translate. The invention solves the technical problem that the grinding of the gear ring with large specification has great difficulty.

Description

Gear shaping device and gear shaping method

Technical Field

The invention relates to the technical field of engineering equipment, in particular to a gear shaping device and a gear shaping method.

Background

In the engineering machinery industry, large-sized gear rings are used more, and the manufacturing cost is higher. After the gear ring has defects, the gear ring can be reused in a welding repair mode. Due to the limitation of conditions, part of repair work has to be carried out in construction sites such as underground space, the operation environment is bad, and the space is narrow.

After welding repair, the precision and surface finish of the gear ring can not meet the use requirements, and the gear ring needs to be further polished. If the grinding quality does not reach the standard, poor engagement or uneven stress of the gear ring can occur to cause tooth breakage or cracking.

The large-sized shaping apparatus is difficult to transport to the construction site, and it is difficult to ensure stable operation at the construction site. The hand-held grinding machine has the defects of high operation difficulty, low efficiency and difficult control of the precision after manual grinding. At present, the grinding of the gear ring with large specification has great difficulty.

Disclosure of Invention

The invention aims to provide a gear shaping device and a gear shaping method, which are used for solving the technical problem that the grinding of a gear ring with large specification is difficult.

The above object of the present invention can be achieved by the following technical solutions:

the invention provides a gear shaping device, comprising: the grinding wheel is installed on the grinding machine, the grinding machine is installed on the locking mechanism through the translation mechanism, the locking mechanism can be locked on the gear, and the translation mechanism can drive the grinding machine to translate.

In a preferred embodiment, the gear shaping device comprises a first ear mount mounted to the translation mechanism, the grinder being hinged to the first ear mount, the grinder being rotatable about an axis of the first ear mount.

In a preferred embodiment, the gear shaping device comprises a connecting rod and a second lug fixed on the translation mechanism, and the connecting rod is installed on the grinder; the second ear seat is provided with a sliding hole, and the connecting rod is arranged in the sliding hole in a penetrating mode and can move in the sliding hole.

In a preferred embodiment, the sliding hole is circular arc-shaped with the axis of the first ear seat as a center.

In a preferred embodiment, the locking mechanism comprises a frame, a first electromagnetic adsorption device and a second electromagnetic adsorption device.

In a preferred embodiment, the first electromagnetic adsorption device includes a first cylindrical portion that mates with the tooth flank and a first planar portion that contacts the tooth crest; the second electromagnetic adsorption device includes a second cylindrical portion that mates with the tooth flank and a second planar portion that contacts the tooth top surface.

In a preferred embodiment, the frame body includes a first movable frame and a second movable frame, the first electromagnetic adsorption device is mounted on the first movable frame, and the second electromagnetic adsorption device is mounted on the second movable frame; the first movable frame can move relatively to adjust the distance between the first electromagnetic adsorption device and the second electromagnetic adsorption device.

In a preferred embodiment, the translation mechanism comprises a translation plate and a track fixedly arranged on the frame body, the translation plate is slidably arranged on the track, and the grinder is arranged on the translation plate.

The invention provides a gear shaping method, which adopts the gear shaping device, and comprises the following steps: and the gear shaping device is fixed on a gear by utilizing the locking mechanism, the translation mechanism drives the grinding wheel to move relative to the gear, and the grinding wheel rotates under the driving of the grinding wheel and shapes the gear.

In a preferred embodiment, the grinding wheel is positioned on a standard tooth slot of the gear, and the relative position between the grinding wheel machine and the translation mechanism is calibrated by taking the standard tooth slot as a reference; the position of the gear shaping device is adjusted through the locking mechanism, so that the grinding wheel is positioned on a defective tooth slot, and the relative position between the grinding wheel machine and the translation mechanism is adjusted step by step to be positioned in the shaping process.

The invention has the characteristics and advantages that:

the gear shaping device can be assembled on a construction site or in a narrow space, and can be used for polishing, can be assembled and disassembled on site, is convenient to transport, has strong trafficability, is particularly suitable for repairing in narrow spaces such as the inside of a tunnel, and has the following advantages: (1) The accuracy and the surface finish degree of the gear after welding and repairing are improved; (2) The grinding wheel is a grinding end, a profiling grinding wheel can be adopted, the inside of the tooth slot only needs to be fed unidirectionally along the tooth direction, the artificial grinding error can be reduced, and the machining precision is high; (3) the polishing efficiency is improved; (4) precisely controlling the polishing depth and improving the polishing quality; (5) The electromagnetic adsorption device is utilized, so that the disassembly is convenient, and the connection is stable; (6) The processing range is adjustable, and the device can adapt to inner and outer gear rings with various specifications; (7) The portable and transportation are convenient, the transportation cost is reduced, and the transportation time is saved; (8) The detachable small assembly has small size, is convenient to pass through a narrow space, and can be assembled and used in construction sites such as tunnels, heading machine cabins and the like.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a gear shaping device according to the present invention mounted on a gear;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic view of a locking mechanism in a gear shaping device according to the present invention;

FIG. 4 is a schematic view of a gear shaping device according to the present invention in a first state;

FIG. 5 is a schematic view of a gear shaping device according to the present invention in a second state;

fig. 6 is a schematic structural view of a frame in the gear shaping device provided by the invention;

FIG. 7 is a schematic view of a track in a gear shaping device according to the present invention;

FIG. 8 is a schematic diagram of the connection of a grinding wheel, a grinder and a translation plate in the gear shaping device provided by the invention;

fig. 9 is a side view of fig. 8.

Reference numerals illustrate:

10. a locking mechanism;

11. a first electromagnetic adsorption device; 111. a first cylindrical portion; 112. a first planar portion;

12. a second electromagnetic adsorption device; 121. a second cylindrical portion; 122. a second planar portion;

20. a frame body;

21. a first movable frame; 211. a first projecting arm; 212. a slotted hole;

22. a second movable frame; 221. a second extension arm; 222. bolt holes;

23. a first bolt;

30. a translation mechanism;

31. a track; 33. a second bolt;

41. a translation plate; 49. connecting steel plates;

43. a first ear mount; 45. a threaded pin; 415. a first connector;

413. a second ear mount; 414. a sliding hole; 48. a connecting rod; 412. a second connector;

5. a grinder; 6. grinding wheel;

7. a gear.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Scheme one

The present invention provides a gear shaping device, as shown in fig. 1 to 8, comprising: the grinding wheel 6, the grinding wheel machine 5, the translation mechanism 30 and the locking mechanism 10, wherein the grinding wheel 6 is arranged on the grinding wheel machine 5, the grinding wheel machine 5 is arranged on the locking mechanism 10 through the translation mechanism 30, the locking mechanism 10 can be locked on the gear 7, and the translation mechanism 30 can drive the grinding wheel machine 5 to translate. The gear shaping device is arranged on a gear 7 through a locking mechanism 10, a grinding wheel 6 is matched with a tooth slot of the gear 7, a grinding wheel machine 5 drives the grinding wheel 6 to rotate, and a translation mechanism 30 drives the grinding wheel 6 to translate in the tooth slot, so that shaping of the gear 7 is realized. The gear shaping device can be used for shaping the gear 7 on a construction site after the gear 7 is welded and repaired, is convenient to operate and high in efficiency, reduces artificial polishing errors, is high in machining precision, and solves the technical problem of high grinding difficulty of a gear ring with a large size.

The grinding wheel 6 and the grinding wheel machine 5 form a grinding mechanism. The grinding wheel 6 can adopt a profiling grinding wheel, after the gear 7 is welded and repaired, the gear 7 is shaped again through profiling grinding, the accuracy and the surface finish of the gear 7 after the welding and repairing are improved, the accuracy and the surface finish of the gear 7 meet the specified requirements, and the grinding quality and the grinding efficiency are improved.

In one embodiment, the gear shaping device includes a first ear 43, as shown in fig. 1, 2, 8 and 9, the first ear 43 is mounted on the translation mechanism 30, the grinding wheel machine 5 is hinged to the first ear 43, and the grinding wheel machine 5 can rotate around the axis of the first ear 43. The depth of the grinding wheel 6 extending into the tooth slot is adjusted by adjusting the rotation angle of the grinding wheel machine 5, and the grinding depth is controlled, so that the grinding quality is guaranteed on one hand, and the gear shaping device is convenient to adapt to gears with different specifications and sizes on the other hand.

After a defect in the gear 7, not all teeth or tooth slots are typically damaged and need to be repaired. The gear shaping device can shape the damaged tooth slot by taking the undamaged tooth slot of the gear 7 as a reference. Damaged tooth slots are defective tooth slots, and undamaged tooth slots are still standard tooth slots. Specifically, the grinding wheel 6 is positioned on a standard tooth slot of the gear 7, and is locked by the locking mechanism 10, so that the grinding wheel 6 is attached to the standard tooth slot, and the rotation angle of the grinding wheel machine 5 around the axis of the first lug seat 43 is calibrated by taking the standard tooth slot as a reference; and the position of the gear shaping device on the gear 7 is adjusted through the locking mechanism 10, so that the grinding wheel 6 is positioned on a defective tooth slot, and the defective tooth slot is shaped. Thus, the polishing depth is convenient to control, the polishing precision is guaranteed, and the polishing quality and the polishing and shaping efficiency are improved.

Further, the gear shaping device comprises a connecting rod 48 and a second lug 413, the second lug 413 is fixedly arranged on the translation mechanism 30, and the connecting rod 48 is arranged on the grinder 5; the second ear seat 413 is provided with a sliding hole 414, and the connecting rod 48 is inserted into the sliding hole 414 and can move in the sliding hole 414, as shown in fig. 8 and 9, when the grinder 5 rotates around the first ear seat 43, the connecting rod 48 is driven to move in the sliding hole 414. The connecting rod 48 is locked with the second lug 413, so that the grinder 5 stops rotating around the first lug 43, and the rotation angle of the grinder 5 is locked. The first ear seat 43, the second ear seat 413 and the connecting rod 48 form a supporting mechanism, and the rotating angle of the grinder 5 can be controlled by controlling the position of the connecting rod 48 in the sliding hole 414, so that the polishing depth is controlled, and the polishing depth is convenient to accurately calibrate.

Calibrating the position of the connecting rod 48 when finishing the final polishing depth; in the polishing process, the position of the connecting rod 48 is gradually adjusted to gradually increase the polishing depth until the final polishing depth, so that the polishing depth can be accurately controlled, and the polishing quality and the polishing efficiency are improved.

Further, the slide hole 414 is circular arc-shaped with the axis of the first lug 43 as a center, and the connecting rod 48 smoothly rotates in the slide hole 414 along with the grinder 5. The second ear mount 413 has height-adjustable graduations to facilitate accurate calibration of the polishing depth.

In an embodiment, the locking mechanism 10 includes a frame 20, a first electromagnetic adsorption device 11 and a second electromagnetic adsorption device 12, the translation mechanism 30 is mounted on the frame 20, as shown in fig. 2 and 3, the first electromagnetic adsorption device 11 and the second electromagnetic adsorption device 12 are respectively matched with two teeth of the gear 7, and are locked on the gear 7 through electromagnetic attraction force, so that the assembly and disassembly are convenient, and the connection is stable. Further, the first electromagnetic adsorption device 11 includes a first cylindrical portion 111 that mates with the tooth flank and a first planar portion 112 that contacts the tooth crest; the second electromagnetic adsorption device 12 comprises a second cylindrical part 121 matched with the tooth flank and a second plane part 122 contacted with the tooth crest, the frame body 20 is positioned and fixed through the first cylindrical part 111, the first plane part 112, the second cylindrical part 121 and the second plane part 122, when the positioning position is determined, the electromagnetic switches of the first electromagnetic adsorption device 11 and the second electromagnetic adsorption device 12 are turned on, and the first electromagnetic adsorption device 11 and the second electromagnetic adsorption device 12 are respectively adsorbed on the tooth crest and the tooth flank, so that the adsorption fastening reliability is ensured.

As shown in fig. 1 and 3 to 6, the frame body 20 includes a first movable frame 21 and a second movable frame 22, the first electromagnetic adsorption device 11 is mounted on the first movable frame 21, and the second electromagnetic adsorption device 12 is mounted on the second movable frame 22; the first movable frame 21 can relatively move to adjust the distance between the first electromagnetic adsorption device 11 and the second electromagnetic adsorption device 12, so as to adjust the number of teeth between the first electromagnetic adsorption device 11 and the second electromagnetic adsorption device 12 and adapt to gears 7 with different specifications. As shown in fig. 3 and 6, the first movable frame 21 is connected with a first extending arm 211, and a slotted hole 212 is formed in the first extending arm 211; the second movable frame 22 is connected with a second extending arm 221, a bolt hole 222 is arranged on the second extending arm 221, and the bolt hole 222 is matched with the oblong hole 212 and is locked by a first bolt 23; the position of the first bolt 23 in the oblong hole 212 is adjusted, so that the distance between the first electromagnetic adsorption device 11 and the second electromagnetic adsorption device 12 is adjusted, and the tooth span is adjusted; the first bolt 23 is tightened and then tightened.

As shown in fig. 6, the first movable frame 21 is connected to 2 first extension arms 211, and the second movable frame 22 is connected to 2 second extension arms 221. The first electromagnetic adsorption device 11 is rigidly connected with the first movable frame 21 into a whole, and the second electromagnetic adsorption device 12 is rigidly connected with the second movable frame 22 into a whole.

In an embodiment, the translation mechanism 30 includes a translation plate 41 and a track 31 fixed on the frame 20, the translation plate 41 is slidably mounted on the track 31, the grinder 5 is mounted on the translation plate 41, the track 31 guides the movement of the translation plate 41, and the translation plate 41 drives the grinder 5 to translate. When the gear shaping device works, an operator can push the translation plate 41 to move along the track 31, so that the gear shaping device is convenient to operate and the structure is simplified. The rail 31 is provided with a clamping groove with high precision, and the translation plate 41 slides along the rail 31 in the clamping groove.

As shown in fig. 1-8, the gear shaping device includes at least two sets of translation mechanisms 30: the track 31 of one translation mechanism 30 is mounted on the first movable frame 21, and the track 31 of the other translation mechanism 30 is mounted on the second movable frame 22; the translation plates 41 on both sides are connected together by a connecting steel plate 49. The translation plates 41 on two sides are respectively and rigidly connected with a first ear seat 43 and a second ear seat 413, the two groups of first ear seats 43 and second ear seats 413 are distributed on two sides of the grinder 5, and the second ear seats 413 on two sides are respectively connected with a connecting rod 48 and are respectively connected with the grinder 5 through the connecting rod 48. As shown in fig. 4, after the first and second

movable frames

21 and 22 are positioned, the rail 31 is fixed to the first and second

movable frames

21 and 22 by the second bolts 33.

As shown in fig. 2, 8 and 9, the grinder 5 is hinged to the first ear seats 43 on both sides through a threaded pin 45, the threaded pin 45 is used as a hinge fulcrum of the polishing mechanism, specifically, the end of the threaded pin 45 is connected with a nut, and the grinder 5 is connected with the threaded pin 45 through a first connecting piece 415. The connecting rods 48 may be bolts, nuts and washers are connected to the ends of the bolts, and the grinding wheel 6 is connected to the connecting rods 48 on both sides through the second connecting members 412, respectively. The grinder 5 can be locked to the first lug 43 by tightening the threaded pin 45 and the nut on the connecting rod 48. By changing the position of the connecting rod 48 on the second lug 413, the height of the rear end of the grinding mechanism is adjusted, thereby changing the grinding depth of the grinding wheel 6 inside the tooth slot.

After the locking mechanism 10 and the translation mechanism 30 are adjusted, the grinding track of the grinding wheel 6 can be determined. The gear shaping device may be adapted to various types of gears, for example: spur, helical, ring or external gears, etc. As shown in fig. 1, when the gear 7 is a straight gear, the translation mechanism 30 drives the grinder 5 to translate along the axial direction of the gear 7; when the gear 7 is a helical gear, the translation mechanism 30 drives the grinder 5 to translate along the extending direction of the helical gear. The grinding wheel 6 only needs to feed unidirectionally along the tooth direction in the tooth slot, so that the artificial grinding error is reduced, the machining precision is high, and the grinding efficiency is improved.

In another embodiment, the rails 31 on both sides are rigidly connected, and as a whole, the surfaces of the materials in the clamping grooves of the rails 31 are hardened, so that the wear resistance is improved. The first electromagnetic adsorption device 11, the second electromagnetic adsorption device 12, the first movable frame 21 and the second movable frame 22 are detachably connected, and when the parts in the first electromagnetic adsorption device 11, the second electromagnetic adsorption device 12 and the first movable frame 21 are damaged, the parts are convenient to replace in time. The threaded pin 45 can be replaced by a high-strength screw rod, and the screw is convenient to replace when damaged.

The gear shaping device has the advantages that: (1) The accuracy and the surface finish degree of the gear 7 after welding repair are improved; (2) The grinding wheel 6 is used as a grinding end, a profiling grinding wheel can be adopted, the inside of the tooth slot only needs to be fed unidirectionally along the tooth direction, the artificial grinding error can be reduced, and the machining precision is high; (3) the polishing efficiency is improved; (4) precisely controlling the polishing depth and improving the polishing quality; (5) The electromagnetic adsorption device is utilized, so that the disassembly is convenient, and the connection is stable; (6) The processing range is adjustable, and the device can adapt to inner and outer gear rings with various specifications; (7) The portable and transportation are convenient, the transportation cost is reduced, and the transportation time is saved; (8) The small assembly is small in size, convenient to pass through a narrow space, and capable of being assembled in construction sites such as tunnels, development machine cabins and the like; (9) When the gear ring can not be transported to the inside of a factory, the gear shaping device can be assembled on a construction site or in a narrow space, polishing operation can be carried out, site assembly and disassembly can be realized, transportation is convenient, trafficability is high, and the gear shaping device is particularly suitable for repairing in narrow spaces such as the inside of a tunnel.

Scheme II

The invention provides a gear shaping method, which adopts the gear shaping device, and comprises the following steps: the gear shaping device is fixed on the gear 7 by using the locking mechanism 10, the translation mechanism 30 drives the grinding wheel machine 5 to move relative to the gear 7, and the grinding wheel 6 rotates and shapes the gear 7 under the driving of the grinding wheel machine 5. After the gear 7 is welded and repaired, the gear 7 is shaped on a construction site, the operation is convenient, the efficiency is high, the artificial polishing error is reduced, the machining precision is high, and the technical problem that the polishing difficulty of the gear ring with large specification is high is solved.

In one embodiment of the present invention, the grinding wheel 6 is positioned on a standard tooth slot of the gear 7, and the relative position between the grinding wheel machine 5 and the translation mechanism 30 is calibrated based on the standard tooth slot; the position of the gear shaping device is adjusted through the locking mechanism 10, so that the grinding wheel 6 is positioned on a defective tooth slot, and the relative position between the grinding wheel machine 5 and the translation mechanism 30 is adjusted step by step to be positioned in the shaping process. In the embodiment, the damaged tooth groove is trimmed by taking the undamaged tooth groove of the gear 7 as a reference, so that the polishing depth is convenient to control, and the polishing quality and polishing trimming efficiency are improved.

Specifically, the gear shaping method comprises the following steps: (1) Assembling the translation mechanism 30, the polishing mechanism and the supporting mechanism into a whole; the threaded pin shaft 45 and nuts on the connecting rod 48 are unscrewed, so that the grinding wheel machine 5 can rotate relative to the first lug seat 43, and the height of the grinding wheel 6 can be freely moved; (2) Determining a standard tooth slot without defects, and positioning the locking mechanism 10 in a selected area based on the standard tooth slot; estimating the cross-tooth number according to the specification of the gear 7 to be polished, and adjusting the mutual distance between the first movable frame 21 and the second movable frame 22 to ensure that the mutual distance is completely tightly attached to the two tooth top surfaces and the tooth sides of the cross-tooth to determine a reference position for measuring the polishing depth; (3) The first electromagnetic adsorption device 11 and the second electromagnetic adsorption device 12 are electrified to lock the locking mechanism 10 and the gear 7; (4) Assembling the translation mechanism 30, the polishing mechanism and the supporting mechanism which are assembled into a whole with the locking mechanism 10; (5) Adjusting a grinder 5, measuring the depth of a grinding wheel 6 corresponding to a standard tooth slot, and recording the numerical value for calibration, namely the final grinding depth to be achieved by the gear 7 subjected to post-welding modification; (6) Determining the position to be polished, ensuring that no welding slag, scrap iron and other dirt exists on two sides, and positioning the gear shaping device in the region to be polished; (7) The grinder 5 is manually pushed to move along the rail 31 to polish the tooth slot, and the polishing depth is gradually increased until polishing is completed.

The foregoing is merely a few embodiments of the present invention and those skilled in the art may make various modifications or alterations to the embodiments of the present invention in light of the disclosure herein without departing from the spirit and scope of the invention.

Claims

1. A gear shaping device, comprising: the grinding wheel is mounted on the grinding machine, the grinding machine is mounted on the locking mechanism through the translation mechanism, the locking mechanism can be locked on the gear, and the translation mechanism can drive the grinding machine to translate;

the locking mechanism comprises a frame body, a first electromagnetic adsorption device and a second electromagnetic adsorption device; the first electromagnetic adsorption device comprises a first cylindrical part matched with the tooth flank and a first plane part contacted with the tooth top; the second electromagnetic adsorption device comprises a second cylindrical part matched with the tooth flank and a second plane part contacted with the tooth top;

the frame body comprises a first movable frame and a second movable frame, the first electromagnetic adsorption device is arranged on the first movable frame, and the second electromagnetic adsorption device is arranged on the second movable frame;

and the first electromagnetic adsorption device and the second electromagnetic adsorption device are distributed on two sides of the grinding wheel, and the first movable frame can move relatively to adjust the distance between the first electromagnetic adsorption device and the second electromagnetic adsorption device so as to adjust the number of teeth between the first electromagnetic adsorption device and the second electromagnetic adsorption device.

2. The gear shaping device of claim 1 wherein the gear shaping device includes a first ear mount mounted to the translation mechanism, the grinder being hinged to the first ear mount, the grinder being rotatable about an axis of the first ear mount.

3. The gear shaping device according to claim 2, wherein the gear shaping device comprises a connecting rod and a second ear mount fixedly arranged on the translation mechanism, the connecting rod being mounted on the grinder; the second ear seat is provided with a sliding hole, and the connecting rod is arranged in the sliding hole in a penetrating mode and can move in the sliding hole.

4. The gear shaping device according to claim 3, wherein the sliding hole is in an arc shape centered on the axis of the first ear mount.

5. The gear shaping device of claim 1 wherein the translation mechanism includes a translation plate and a track secured to the frame, the translation plate slidably mounted to the track, the grinder mounted to the translation plate.

6. A gear shaping method, characterized in that a gear shaping device according to any one of claims 1-5 is employed, comprising: and the gear shaping device is fixed on a gear by utilizing the locking mechanism, the translation mechanism drives the grinding wheel to move relative to the gear, and the grinding wheel rotates under the driving of the grinding wheel and shapes the gear.

7. The method of claim 6, wherein positioning the grinding wheel in a standard tooth slot of the gear, calibrating a relative position between the grinding wheel machine and the translation mechanism based on the standard tooth slot;

the position of the gear shaping device is adjusted through the locking mechanism, so that the grinding wheel is positioned on a defective tooth slot, and the relative position between the grinding wheel machine and the translation mechanism is adjusted step by step to be positioned in the shaping process.