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CN221087498U - High-precision gear grinding clamp based on taper elastic positioning - Google Patents

High-precision gear grinding clamp based on taper elastic positioning Download PDF

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Publication number
CN221087498U
CN221087498U CN202323064746.2U CN202323064746U CN221087498U CN 221087498 U CN221087498 U CN 221087498U CN 202323064746 U CN202323064746 U CN 202323064746U CN 221087498 U CN221087498 U CN 221087498U
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China
Prior art keywords
workpiece
expansion sleeve
taper
taper elastic
elastic expansion
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Application number
CN202323064746.2U
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Chinese (zh)
Inventor
郭苗
叶春红
吴伟正
李法光
张英华
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Xuzhou XCMG Drivetrain Co Ltd
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Xuzhou XCMG Drivetrain Co Ltd
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Abstract

The utility model discloses a high-precision gear grinding clamp based on taper elastic positioning, which comprises a tooling mandrel, a taper elastic expansion sleeve, a compression part and a connecting part, wherein the tooling mandrel is arranged on the tooling mandrel; the tooling mandrel is used for realizing accurate positioning between a machined workpiece and equipment; the taper elastic expansion sleeve arranged in the inner hole of the workpiece is matched with the outer peripheral surface of the tool mandrel through taper; the pressing component is arranged at the top end of the tooling mandrel, so that on one hand, a workpiece is attached to a bulge of the tooling mandrel, the end face of the workpiece is positioned, and on the other hand, the taper elastic expansion sleeve is tightly matched with the inner ring of the workpiece, and the radial positioning of the workpiece is realized; the connecting component is used for connecting the tooling mandrel and the equipment main shaft, and the movement synchronization of the workpiece and the equipment main shaft is ensured. The utility model improves the positioning precision and the machining precision of the gear grinding, reduces the machining error and the disassembly difficulty of the workpiece, thereby improving the precision of the workpiece and the service life of the tool and realizing the precise machining of the gear in the gear grinding process.

Description

High-precision gear grinding clamp based on taper elastic positioning
Technical Field
The utility model belongs to the technical field of mechanical manufacturing equipment, and relates to a high-precision gear grinding clamp based on taper elastic positioning.
Background
The gear is used as a core component of a transmission mechanism, the precision requirement is high in the production and manufacturing process, the gear grinding is used as a key process of gear machining, the manufacturing quality and performance requirement of the gear are directly influenced, in order to ensure the machining precision of the gear grinding, the workpiece and the clamp are required to be in clearance fit, and the existing clamp also has the following problems:
(1) The traditional hole shaft matching type clamp cannot be in zero clearance fit, and the gear grinding precision cannot be guaranteed;
(2) The wear clearance of the fit clearance is increased in the using process of the tool, and the service life of the tool is shorter;
(3) The tool is inconvenient to disassemble and assemble, and the tooth surface precision and the tool positioning surface precision are affected.
Disclosure of Invention
The utility model mainly aims to improve the matching precision of the gear grinding clamp by utilizing the taper characteristic and the elastic characteristic of the taper elastic expansion sleeve, improve the positioning precision and repeated positioning precision of the clamp by utilizing the matching of the elastic expansion sleeve and the taper mandrel, realize the zero-clearance matching and high-precision positioning of the clamp and a workpiece, and finally achieve the aims of precision machining and gear precision improvement.
The utility model is realized according to the following technical scheme:
a high precision tooth grinding fixture based on taper elastic positioning, comprising:
the tooling mandrel is used for realizing accurate positioning between a processed workpiece and equipment;
The taper elastic expansion sleeve is arranged in the inner hole of the workpiece and is matched with the outer peripheral surface of the tool mandrel through taper;
The pressing component is arranged at the top end of the tooling mandrel, so that on one hand, a workpiece is attached to a bulge of the tooling mandrel, the end face of the workpiece is positioned, and on the other hand, the taper elastic expansion sleeve is tightly matched with the inner ring of the workpiece, and the radial positioning of the workpiece is realized;
and the connecting part is used for connecting the tooling mandrel and the equipment spindle and ensuring the movement synchronization of the workpiece and the equipment spindle.
In some embodiments, the taper elastic expansion sleeve is provided with a plurality of staggered grooves which are uniformly distributed; and a rubber pad is filled in the taper elastic expansion sleeve to prevent abrasive particles of the grinding wheel from entering the matching surface.
In some embodiments, the wall thickness of the taper elastic expansion sleeve is set to be 5 mm-7 mm; the fit clearance between the outer diameter of the taper elastic expansion sleeve and the inner hole of the workpiece is phi 0.03 mm-0.05 mm.
In some embodiments, the taper of the taper elastic expansion sleeve is 1-2 degrees, and the contact ratio of the taper elastic expansion sleeve and the tool mandrel is more than 90%, so that the taper elastic expansion sleeve can clamp a workpiece under the condition that no external force is applied, and the workpiece achieves a self-locking effect.
In some embodiments, the compression member comprises a cross washer and a compression nut; the cross washer is sleeved on the tool mandrel and then is attached to the taper elastic expansion sleeve, the compression nut is arranged on the tool mandrel in a threaded mode, and the cross washer is compressed by rotating the compression nut so as to compress the taper elastic expansion sleeve, so that the taper elastic expansion sleeve is tightly matched with the inner ring of the workpiece.
In some embodiments, the connecting component is a shifting fork, two shifting claws of the shifting fork are connected with the main shaft of the equipment, and an inner hole of the shifting fork is tightly matched with the tool mandrel.
In some embodiments, the shifting fork is provided with an open slot communicated with the inner hole, a threaded hole connected with the open slot is formed in the side portion of the shifting fork, a screw is arranged in the threaded hole, and after the tool mandrel is inserted into the inner hole, the inner hole is contracted by screwing the screw, so that the shifting fork is fixed on the tool mandrel.
In some embodiments, a dismantling component for dismantling the workpiece is also mounted on the tooling mandrel.
In some embodiments, the dismounting part is a dismounting nut, the dismounting nut is arranged at the bulge of the tool mandrel, the workpiece is outwards pushed by rotating the dismounting nut, and the reverse force is applied to the expansion sleeve.
In some embodiments, the two end faces of the tooling mandrel are provided with center holes, the equipment headstock center is tightly attached to the center hole at one end of the tooling mandrel, the equipment tailstock center is tightly attached to the center hole at the other end of the tooling mandrel, and the coaxial requirement of a workpiece is ensured.
Compared with the prior art, the utility model has the beneficial effects that:
The utility model provides the gear grinding clamp which can realize workpiece locking by utilizing the tight fit of taper and can be conveniently disassembled, improves the positioning precision and the machining precision of gear grinding, reduces the machining error and the workpiece disassembling difficulty, thereby improving the precision of the workpiece and the service life of the tool and realizing the precise machining of gears in the gear grinding process.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort.
In the drawings:
FIG. 1 is a schematic illustration of a high precision gear grinding fixture application of the present utility model;
FIG. 2 is a perspective view of the taper elastic expansion sleeve of the present utility model;
FIG. 3 is a side view of the tapered elastic tension sleeve of the present utility model;
Fig. 4 is a schematic view of a fork according to the present utility model.
The accompanying drawings show: the device comprises a 1-shifting fork, a 2-tooling mandrel, a 3-dismounting nut, a 4-taper elastic expansion sleeve, a 5-cross washer, a 6-compression nut, a 7-workpiece, an 8-rubber pad and a 9-threaded hole.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, the high-precision gear grinding clamp based on taper elastic positioning comprises a taper elastic expansion sleeve 4, a dismounting nut 3, a cross washer 5, a compression nut 6, a tooling mandrel 2 and a shifting fork 1. The tooling mandrel 2 is used for realizing accurate positioning between the machined workpiece 7 and equipment; the taper elastic expansion sleeve 4 arranged in the inner hole of the workpiece 7 is in taper fit with the outer peripheral surface of the tooling mandrel 2; the compression nut 6 and the cross washer 5 are arranged at the top end of the tooling mandrel 2, so that on one hand, the workpiece 7 is attached to the bulge of the tooling mandrel 2, the end face positioning of the workpiece 7 is realized, and on the other hand, the taper elastic expansion sleeve 4 is tightly matched with the inner ring of the workpiece 7, and the radial positioning of the workpiece 7 is realized.
A preferred embodiment of the taper elastic expansion sleeve is given below:
As shown in fig. 2 and 3, the taper elastic expansion sleeve 4 is provided with six staggered grooves which are uniformly distributed, the upper end surface of the taper elastic expansion sleeve 4 is marked with an end surface size, the taper elastic expansion sleeve 4 is made of an elastic material, the manufacturing material is 65Mn, and the elasticity and the repeated positioning accuracy of the expansion sleeve are ensured. The taper elastic expansion sleeve 4 can eliminate the fit clearance between the hole and the shaft through micro elastic deformation after quenching, grinding finish machining and other processes, can be positioned repeatedly and accurately, and the taper elastic expansion sleeve 4 is filled with the rubber pad 8, so that grinding wheel abrasive particles can be prevented from entering the fit surface to influence the fit precision; the designed taper is 1 DEG 25'56 ", the purpose of setting the taper is that on one hand, high-precision positioning can be realized, on the other hand, when the workpiece 7 is installed, a certain force is applied to the taper elastic expansion sleeve 4 by rotating the compression nut 6, so that the taper elastic expansion sleeve 4 radially contracts or expands, at the moment, the taper elastic expansion sleeve 4 can generate radial tension force, when the applied force is removed, the workpiece 7 has self-locking property under the action of the radial tension force, and at the moment, the clamping effect of the workpiece 7 is best, therefore, in order to ensure that the workpiece 7 has good positioning effect, the expansion sleeve can clamp the workpiece 7 under the condition that no external force is applied, and the workpiece 7 achieves self-locking effect.
The taper of the taper elastic expansion sleeve 4 is designed to be 1 DEG 25 '56', the wall thickness of the taper elastic expansion sleeve 4 is designed to be between 5mm and 7mm, the expansion and contraction amount is designed to be between 0.05 and 0.1mm, the wall thickness of the taper elastic expansion sleeve 4 is also a key point of the design, the wall thickness of the taper elastic expansion sleeve 4 is directly related to the strength and rigidity of the taper elastic expansion sleeve, the performance of a tool can be influenced by too thin or too thick, the locking effect of the taper elastic expansion sleeve can not be influenced by too thick wall thickness, the locking rigidity of the taper elastic expansion sleeve can not be enough due to too thin wall thickness, the stability is poor, and the thickness of the taper elastic expansion sleeve 4 can be used for expanding the expansion sleeve with good stability; the contact area of the taper elastic expansion sleeve 4 and the tooling mandrel 2 is larger than 90%, the fit clearance between the outer diameter of the taper elastic expansion sleeve 4 and the inner hole of the workpiece 7 is phi 0.03 mm-0.05 mm, the repeated positioning precision of the taper elastic expansion sleeve 4 is smaller than 0.003 mm, and the positioning precision of the taper elastic expansion sleeve 4 is kept unchanged after 10 ten thousand times of processing. The taper elastic expansion sleeve 4 is filled with the rubber gasket 8, and the existence of the rubber gasket 8 can effectively prevent grinding wheel abrasive particles from entering the matching surface to influence the matching precision.
A preferred embodiment of the cross washer described above is given below:
With continued reference to fig. 1, the cross washer 5 is a component that reduces the contact surface by linear contact with the taper elastic expansion sleeve 4, and ensures that the pressing force can be uniformly distributed. The cross washer 5 is made of medium carbon alloy 40Cr, and is subjected to tempering, quenching and medium temperature tempering to obtain certain toughness, plasticity and wear resistance.
A preferred embodiment of the compression nut described above is given below:
With continued reference to fig. 1, the compression nut 6 is a component which is installed at the top end of the mandrel, and the cross washer 5 and the compression nut 6 rotate to compress the taper elastic expansion sleeve 4, so that the taper elastic expansion sleeve 4 is tightly matched with the inner ring of the workpiece 7, and the positioning accuracy of the gear is ensured. The compression nut 6 is made of medium carbon alloy 40Cr, and is subjected to tempering, quenching and medium temperature tempering to obtain certain toughness, plasticity and wear resistance.
A preferred embodiment of the tooling mandrel is given below:
With continued reference to fig. 1, the tooling mandrel 2 is a transitional positioning shaft for connecting equipment and a workpiece 7 to be machined, so that accurate positioning between the workpiece to be machined and the equipment is realized, and the machining precision of grinding teeth is ensured. The material of the tooling mandrel 2 is GCr15 alloy steel, the hardness is more than 56 HRC, and the rigidity and the precision durability of the tooling mandrel 2 are ensured through tempering, quenching and fine grinding; the roughness Ra0.8μm of the center holes at the two ends of the tooling mandrel 2 is smaller than 0.003mm in coaxiality; the taper of the equipment headstock and tailstock center is the same as that of the center holes at the two ends of the mandrel, and the fitting degree is more than 90%; the coaxiality of the center hole of the headstock and the tailstock is less than 0.002 mm; the diameter of the tail frame center is not larger than the diameter of the gear root circle of the workpiece to be ground.
A preferred embodiment of the fork is given below:
As shown in fig. 4, two pusher dogs of the shifting fork 1 are connected with a main shaft of the equipment, an inner hole of the shifting fork 1 is tightly matched with the tool mandrel 2, so that the movement synchronization of a workpiece and the main shaft of the equipment is ensured, a center of the equipment is tightly attached to a center hole of the workpiece, the coaxiality requirement of the workpiece is ensured, and the element for grinding teeth of the workpiece is realized.
The shifting fork 1 is provided with an open slot communicated with the inner hole, the side part of the shifting fork 1 is provided with a threaded hole 9 connected with the open slot, a screw is arranged in the threaded hole 9, and after the tooling mandrel 2 is inserted into the inner hole, the inner hole is contracted by screwing the screw, so that the shifting fork 1 is fixed on the tooling mandrel 2.
A preferred embodiment of the above-described removal nut is given below:
with continued reference to fig. 1, the disassembly nut 3 is mounted on the boss of the tooling mandrel 2, and the disassembly nut 3 is rotated to push the workpiece 7 outwards, so as to apply a force in the opposite direction to the expansion sleeve. The disassembly nut 3 is made of medium carbon alloy 40Cr, and is subjected to tempering, quenching and medium temperature tempering to obtain certain toughness, plasticity and wear resistance.
Therefore, the gear grinding clamp can realize workpiece locking by utilizing the tight fit of taper and can be conveniently disassembled, the positioning precision and the machining precision of the gear grinding are improved, the machining error is reduced, and the workpiece disassembling difficulty is reduced, so that the precision of the workpiece and the service life of the tool are improved, and the precise machining of the gear in the gear grinding process is realized.
The working process of the high-precision gear grinding clamp is as follows:
With continued reference to fig. 1, firstly, the taper elastic expansion sleeve 4 is placed in an inner hole of the workpiece 7, then the taper elastic expansion sleeve 4 is matched with the outer circle of the tooling mandrel 2 in a taper manner, and the rotary compression nut 6 extrudes the cross washer 5 to move towards the taper elastic expansion sleeve 4, so that the workpiece 7 is attached to the end face of the clamp, and the end face positioning of the workpiece 7 is realized; the taper elastic expansion sleeve 4 is pressed into the taper inner hole gradually through the taper fit expansion sleeve, the expansion sleeve slowly expands along with the gradual increase of the cross section area of the taper inner hole, and radial tension force is gradually generated on the surface of the workpiece 7, so that the taper elastic expansion sleeve 4 is tightly matched with the inner ring of the workpiece 7, and the radial positioning of the workpiece 7 is realized; then connecting the workpiece 7 with the outer circle of the tooling mandrel 2 and the equipment main shaft through the inner hole of the shifting fork 1, and ensuring the movement synchronization of the workpiece 7 and the equipment main shaft; the center of the equipment is tightly attached to the center hole of the tooling mandrel 2, the coaxiality requirement of the workpiece 7 is guaranteed, and the workpiece 7 begins to be machined after being completely positioned.
When the workpiece 7 is machined, firstly the compression nut 6 and the cross washer 5 are removed, and even if the workpiece 7 is in a self-locking state, the workpiece 7 is still fixed on the taper elastic expansion sleeve 4 under the action of radial tension force even though the workpiece 7 is removed, at the moment, the disassembly nut 3 is installed at the contact part of the tool mandrel 2 and the workpiece 7, the disassembly nut 3 is rotated forwards to apply the reverse force to the taper elastic expansion sleeve 4, the workpiece 7 is pushed outwards, the area of the cone inner hole of the taper elastic expansion sleeve 4 is gradually reduced, and the radial tension force is gradually disappeared, so that the workpiece 7 is disassembled.
In summary, the utility model has the following advantages:
(1) The taper elastic expansion sleeve is designed, wherein the design of the taper ensures the high-precision positioning and self-locking performance of the clamp; the design of the taper elastic expansion sleeve enables the clamp to eliminate the fit clearance of the hole shaft, achieves repeated accurate positioning, prolongs the service life of the tool, and effectively prevents grinding wheel abrasive particles from entering the fit surface to affect the fit precision; the wall thickness design ensures the effectiveness and stability of the expansion sleeve; in general, the expansion sleeve can improve the positioning precision and repeated positioning precision of the clamp, and realize the zero clearance fit and high-precision positioning of the clamp and the workpiece.
(2) The disassembly nut is added, the workpiece is outwards jacked by rotating the disassembly nut forwards after the workpiece is machined, so that the workpiece is convenient to disassemble, the damage to the tooth surface caused by violent disassembly is avoided, the tooth surface precision and the tool positioning surface precision are ensured, and the working efficiency is improved.
(3) The compression nut is designed, the cross washer is compressed by rotating the compression nut, the taper elastic expansion sleeve is compressed by the rotation of the compression nut, the taper elastic expansion sleeve is matched with the cross washer in working, the tight fit between the expansion sleeve and a workpiece is realized, the positioning precision of the workpiece is improved, and errors caused by insufficient positioning precision of the workpiece in gear grinding are reduced.
(4) The cross washer is selected to be in linear contact with the elastic expansion sleeve to reduce the contact surface, so that the pressing force can be uniformly distributed, and the contact surface can be flattened.
In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features contained in other embodiments, but not others, combinations of features of different embodiments are equally meant to be within the scope of the utility model and form different embodiments. For example, in the above embodiments, those skilled in the art can use the above embodiments in combination according to known technical solutions and technical problems to be solved by the present utility model.
The foregoing description is only illustrative of the preferred embodiment of the present utility model, and is not to be construed as limiting the utility model, but is to be construed as limiting the utility model to any simple modification, equivalent variation and variation of the above embodiments according to the technical matter of the present utility model without departing from the scope of the utility model.

Claims (10)

1. High accuracy gear grinding anchor clamps based on tapering elastic positioning, its characterized in that includes:
the tooling mandrel is used for realizing accurate positioning between a processed workpiece and equipment;
The taper elastic expansion sleeve is arranged in the inner hole of the workpiece and is matched with the outer peripheral surface of the tool mandrel through taper;
The pressing component is arranged at the top end of the tooling mandrel, so that on one hand, a workpiece is attached to a bulge of the tooling mandrel, the end face of the workpiece is positioned, and on the other hand, the taper elastic expansion sleeve is tightly matched with the inner ring of the workpiece, and the radial positioning of the workpiece is realized;
and the connecting part is used for connecting the tooling mandrel and the equipment spindle and ensuring the movement synchronization of the workpiece and the equipment spindle.
2. The high-precision gear grinding clamp based on taper elastic positioning according to claim 1, wherein: the taper elastic expansion sleeve is provided with a plurality of staggered grooves which are uniformly distributed; and a rubber pad is filled in the taper elastic expansion sleeve to prevent abrasive particles of the grinding wheel from entering the matching surface.
3. The high-precision gear grinding clamp based on taper elastic positioning according to claim 1, wherein: the wall thickness of the taper elastic expansion sleeve is set to be 5 mm-7 mm; the fit clearance between the outer diameter of the taper elastic expansion sleeve and the inner hole of the workpiece is phi 0.03 mm-0.05 mm.
4. The high-precision gear grinding clamp based on taper elastic positioning according to claim 1, wherein: the taper of the taper elastic expansion sleeve is 1-2 degrees, and the contact ratio of the taper elastic expansion sleeve and the tool mandrel is more than 90%, so that the taper elastic expansion sleeve can clamp a workpiece under the condition that no external force is applied, and the workpiece can achieve a self-locking effect.
5. The high-precision gear grinding clamp based on taper elastic positioning according to claim 1, wherein: the compression component comprises a cross washer and a compression nut;
The cross washer is sleeved on the tool mandrel and then is attached to the taper elastic expansion sleeve, the compression nut is arranged on the tool mandrel in a threaded mode, and the cross washer is compressed by rotating the compression nut so as to compress the taper elastic expansion sleeve, so that the taper elastic expansion sleeve is tightly matched with the inner ring of the workpiece.
6. The high-precision gear grinding clamp based on taper elastic positioning according to claim 1, wherein: the connecting component is a shifting fork, two shifting claws of the shifting fork are connected with the equipment main shaft, and an inner hole of the shifting fork is tightly matched with the tooling mandrel.
7. The high-precision gear grinding clamp based on taper elastic positioning according to claim 6, wherein: the shifting fork is provided with an open slot communicated with the inner hole, a threaded hole connected with the open slot is formed in the side portion of the shifting fork, a screw is arranged in the threaded hole, and after the tooling mandrel is inserted into the inner hole, the inner hole is contracted by screwing the screw, so that the shifting fork is fixed on the tooling mandrel.
8. The high-precision gear grinding clamp based on taper elastic positioning according to claim 1, wherein: and a dismantling part for dismantling the workpiece is further arranged on the tooling mandrel.
9. The high-precision gear grinding clamp based on taper elastic positioning according to claim 8, wherein: the dismantling part is a dismantling nut, the dismantling nut is arranged at the bulge of the tooling mandrel, the workpiece is outwards jacked by rotating the dismantling nut, and a force in the opposite direction is applied to the expansion sleeve.
10. The high-precision gear grinding clamp based on taper elastic positioning according to claim 1, wherein: the two end faces of the tooling mandrel are provided with center holes, the equipment headstock center is tightly attached to the center hole at one end of the tooling mandrel, the equipment tailstock center is tightly attached to the center hole at the other end of the tooling mandrel, and the coaxial requirement of a workpiece is guaranteed.
CN202323064746.2U 2023-11-14 2023-11-14 High-precision gear grinding clamp based on taper elastic positioning Active CN221087498U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323064746.2U CN221087498U (en) 2023-11-14 2023-11-14 High-precision gear grinding clamp based on taper elastic positioning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323064746.2U CN221087498U (en) 2023-11-14 2023-11-14 High-precision gear grinding clamp based on taper elastic positioning

Publications (1)

Publication Number Publication Date
CN221087498U true CN221087498U (en) 2024-06-07

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ID=91315653

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323064746.2U Active CN221087498U (en) 2023-11-14 2023-11-14 High-precision gear grinding clamp based on taper elastic positioning

Country Status (1)

Country Link
CN (1) CN221087498U (en)

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