CN205362731U - Circle for sleeve thin wall overlap anchor clamps - Google Patents
Circle for sleeve thin wall overlap anchor clamps Download PDFInfo
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- CN205362731U CN205362731U CN201521095517.XU CN201521095517U CN205362731U CN 205362731 U CN205362731 U CN 205362731U CN 201521095517 U CN201521095517 U CN 201521095517U CN 205362731 U CN205362731 U CN 205362731U
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Abstract
The utility model discloses a circle for sleeve thin wall overlap anchor clamps, including the anchor clamps body that is provided with axial inner chamber and radial hole, the thin wall cover that the suit can expand outside the anchor clamps body, thin wall cover and anchor clamps body fixed connection are provided with bloated tight inner chamber between thin wall cover and anchor clamps body, and radial hole penetrating shaft is equipped with elastoplast or hydraulic oil to the inner chamber and the tight inner chamber that expands, axial inner chamber with the tight inner chamber that expands within a definite time, and the terminal surface of thin wall cover is the indent terminal surface. Use the utility model provides a circle for sleeve thin wall overlap anchor clamps diminishes to inner chamber, the pressure of axial inner chamber through axle stopper impeller -hub, and the elastoplast receives the extrusion and flows to bloated tight inner chamber, and the elastoplast in the thin wall cover becomes many, and each contact surface that the thin wall overlaps is used to the elastoplast, and each contact surface atress that the thin wall overlaps expands, presss from both sides tightly the work piece of suit outside it, and the indent terminal surface receives the application of force of elastoplast, and the indent terminal surface upright trend that makes progress can be pressed from both sides tightly the both ends of work piece.
Description
Technical field
This utility model relates to machining equipment field, more particularly, it relates to a kind of round buss thin-wall sleeve fixture.
Background technology
Along with the development of science and technology, machining is progressively replacing manpower processing, and machining makes production efficiency higher, can produce more workpiece within the identical time, reduces cost of labor to a certain extent simultaneously.
Processing for cylinder jacket class round buss, need cylinder jacket is fixed when processing outer surface, it is generally adopted and fixture is set in cylinder sleeve is fixed, and need to meet the high-precision processing request of cylinder jacket, when meeting above-mentioned two condition, generally adopt plastic clamp that cylinder jacket class round buss is clamped, plastic clamp is generally by chuck body, axle plug, axle plug sleeve forms, chuck body is provided with inner chamber, one end of chuck body is equipped with axle plug sleeve, axle plug warp beam plug sleeve moves along the inner chamber of chuck body, the other end of chuck body is equipped with plug, implant loads in chuck body from plug.The centering precision of plastic clamp is high, can meet accurately machined demand completely, but this fixture two ends can not bulge, cause that the two ends of workpiece can not be clamped, and when workpiece is processed, two-end part deformation is serious, it is impossible to ensure Product Precision.
In sum, how to efficiently solve the problem that workpiece two ends can not be clamped by fixture, be current those skilled in the art's urgent problem.
Utility model content
In view of this, the purpose of this utility model is in that to provide a kind of round buss thin-wall sleeve fixture, to solve the problem that workpiece two ends can not be clamped by fixture.
In order to achieve the above object, this utility model provides following technical scheme:
A kind of round buss thin-wall sleeve fixture, including being provided with the chuck body of axial bore and radial direction through hole, being set in the thin-wall sleeve that can bulge outside described chuck body, described thin-wall sleeve is fixing with described chuck body to be connected, swelling inner chamber it is provided with between described thin-wall sleeve and described chuck body, described radial direction through hole connects described axial bore and described swelling inner chamber, equipped with elastoplast or hydraulic oil between described axial bore and described swelling inner chamber, the end face of described thin-wall sleeve is indent end face.
Preferably, described indent end face is concaved circular cambered surface.
Preferably, described concaved circular cambered surface minimum point place wall thickness is less than the two ends place wall thickness of described concaved circular cambered surface.
Preferably, one end of described chuck body is provided with axle plug sleeve, and described chuck body is connected with described axle plug sleeve screw.
Preferably, also including power set, be arranged with axle plug in described axle plug sleeve, described axle plug moves along described axial bore through described axle plug sleeve, and described power set are fixing with described axle plug to be connected.
Preferably, described power set are hydraulic jack, and described axle plug is connected through shaft coupling with the piston of described hydraulic jack.
Preferably, the two ends of described swelling inner chamber are respectively arranged with at least one described radial direction through hole.
Preferably, the two ends of described swelling inner chamber are provided with three described radial direction through hole and three is evenly arranged along the circumference of described chuck body respectively.
Preferably, described chuck body being provided with the screwed hole for positioning, described screwed hole is placed along the axisymmetrical of described chuck body.
Preferably, described thin-wall sleeve is 40Cr thin-wall sleeve.
The round buss thin-wall sleeve fixture that this utility model provides, including chuck body and the thin-wall sleeve that can bulge.Wherein, chuck body being provided with axial bore and radial direction through hole, thin-wall sleeve is sheathed on outside chuck body and fixes with chuck body and is connected.Being provided with swelling inner chamber between thin-wall sleeve and chuck body, through hole connects axial bore and swelling inner chamber, and equipped with elastoplast or hydraulic oil between axial bore and swelling inner chamber, the end face of thin-wall sleeve is indent end face.
When the round buss that application this utility model provides is with thin-wall sleeve fixture, advanced by axle plug or other propulsion plants inner chamber vertically, the pressure of axial bore diminishes, elastoplast or hydraulic oil are squeezed and flow to swelling inner chamber along through hole, elastoplast or hydraulic oil in thin-wall sleeve become many, elastoplast or hydraulic oil are applied to each contact surface of thin-wall sleeve, each contact surface of thin-wall sleeve is subject to the effect of power and bulges, it is clamped being set in its outer workpiece, indent end face is subject to the force of elastoplast or hydraulic oil, the oriented upright trend of indent end face, the two ends of workpiece can be clamped.It is clear that this utility model is by being set to indent end face by the end face of thin-wall sleeve, after stress, there is the trend of vertically stretching, extension, the two ends of workpiece are clamped.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the round buss thin-wall sleeve fixture that Fig. 1 provides for this utility model embodiment.
In accompanying drawing, labelling is as follows:
Hydraulic jack 1, piston 2, shaft coupling 3, axle plug 4, chuck body 5, elastoplast 6, thin-wall sleeve 7, workpiece 8, plug 9, radial direction through hole 10, axle plug sleeve 11, screwed hole 12.
Detailed description of the invention
This utility model embodiment discloses a kind of round buss thin-wall sleeve fixture, to solve the problem that workpiece two ends can not be clamped by fixture two ends.
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
Refer to the structural representation of the round buss thin-wall sleeve fixture that Fig. 1, Fig. 1 provide for this utility model embodiment.
In a kind of specific embodiment, round buss thin-wall sleeve fixture includes chuck body 5 and is set in the thin-wall sleeve 7 that can bulge outside chuck body 5.Wherein, being provided with swelling inner chamber between chuck body 5 and thin-wall sleeve 7, radial direction through hole 10 connects the axial bore in swelling inner chamber and chuck body 5, equipped with elastoplast 6 or hydraulic oil between swelling inner chamber and axial bore.In other embodiments, other implants that thin-wall sleeve 7 can be made to bulge can also be added, under the movement of axle plug 4 or other propulsion plants, the volume of axial bore diminishes, pressure becomes big, elastoplast 6 or hydraulic oil move along radial direction through hole 10 to intracavity in swelling, implant in swelling inner chamber increases, the surface of swelling inner chamber is subject to the pressure of implant, swelling inner chamber starts outward expansion and then workpiece 8 is clamped, the end face of thin-wall sleeve 7 is indent end face, the pressure of implant acts on indent end face, indent end face stress has upright trend, thus the two ends of workpiece 8 are clamped.
Wherein, the end face of thin-wall sleeve 7 is that indent end face refers to that end face is to swelling inner chamber sunken inside; namely the appearance of end face caves in swelling inner chamber; the inner surface of end face is to swelling inner chamber protrusions; end face caves inward along the axis direction being parallel to thin-wall sleeve 7 of swelling inner chamber in the present embodiment; in other embodiments; the direction of depression can also be not parallel to axis direction; as long as caving inward; can have the trend popped up when being subject to power, the degree of indent can clamp the needs of workpiece 8 according to reality and is set.
Concrete, indent end face can be concaved circular cambered surface.Concaved circular cambered surface is when it is exerted a force by elastoplast 6 or hydraulic oil, and surface stress is more uniform, the uniform force of each point on concaved circular cambered surface, can uniformly bulge after stress, and arc surface is adding more convenient processing in man-hour, in other embodiments, indent end face can also be set to other shapes, for instance V-type.But V-type end face is when being subject to the force of elastoplast 6 or hydraulic oil, its surface unbalance stress, pressure needed for summit is more than the power at dual-side, this structure makes when upspringing, it is necessary to summit can be bulged by bigger power, and may bulge suddenly when bulging, there is no progressive process, very big impact may be caused in the two ends of workpiece 8, even by workpiece 8 two ends crimp, workpiece 8 can be caused to damage.
Further, concaved circular cambered surface minimum point place wall thickness is less than the two ends place wall thickness of concaved circular cambered surface.Wall thickness is set at the minimum point place of circular arc less than circular arc two ends place wall thickness, when it is exerted a force by elastoplast 6 or hydraulic oil, the trend that the stress at minimum point place deforms upon becomes apparent from, for identical power, wall thickness smaller part deforms upon and becomes apparent from, it expands the trend upspring and becomes apparent from so that the clamping effect at workpiece 8 two ends is better.In other embodiments, the wall thickness of concaved circular cambered surface can also be arranged to same thickness, so also more convenient for the processing of thin-wall sleeve 7, but its minimum force deformed upon is bigger than above-mentioned situation, when identical force, its effect that bulges is likely to slightly difference, and concrete condition can need sets itself according to actual processing conditions and production.
Further, one end of chuck body 5 can be provided with axle plug sleeve 11, and chuck body 5 is connected with axle plug sleeve 11 screw.One end of chuck body 5 arranges axle plug sleeve 11, can in axle plug sleeve 11 sheathed axle plug 4, elastoplast 6 or hydraulic oil is promoted by axle plug 4, in other embodiments, it can also be provided that connecting rod or piston rod etc. other can promote the device of elastoplast 6 or hydraulic oil, axle plug sleeve 11 can also be not provided with, connecting rod or axle plug 4 are directly connected with chuck body 5 axial bore, it is made to move in the axial bore of chuck body 5, or can axle plug sleeve 11 be designed as integrated with chuck body 5, but owing to relative movement occurs for catch bar and chuck body 5, the friction that chuck body 5 is subject to is bigger, as being designed as integration, workpiece 8 need to repair maybe need change time, dismantle more complicated, and whole chuck body 5 need to be changed when changing, the production cost of this kind of mode is higher.Chuck body 5 and axle plug sleeve 11 can also be connected by other fixed forms in other embodiments, as bolt connects, as long as ensureing being relatively fixed of chuck body 5 and axle plug sleeve 11, concrete fixed form are not construed as limiting.
Wherein, the other end in chuck body 5 is provided with plug 9, when loading elastoplast 6 or hydraulic oil, is loaded in axial bore by plug 9, concrete plug 9 can be nut, on the other hand, when axial bore pressure is inadequate, it is possible to rotate nut, make it that elastoplast 6 in axial bore or hydraulic oil to be extruded, in other embodiments, it is also possible to the plug 9 of other forms is set, repeats no more.
Concrete, also including power set, in axle plug sleeve 11, be arranged with axle plug 4, axle plug 4 warp beam plug sleeve 11 inner chamber vertically moves, and power set are fixing with axle plug 4 to be connected.Axle plug 4 is set in axle plug sleeve 11, under the drive of power set, axle plug 4 warp beam plug sleeve 11 inner chamber vertically moves, elastoplast 6 or hydraulic oil are promoted, complete the clamping process to workpiece 8, power set are fixing with axle plug 4 to be connected, axle plug 4 can be moved under the drive of power set, in other embodiments, axle plug 4 and power set can not also be fixedly connected, as long as ensure that power set can move by impeller-hub plug 4 in axial bore, but when workpiece 8 is unclamped, elastoplast 6 impeller-hub plug 4 returns to thin-wall sleeve 7 relaxed state and needs certain time, for bigger axle plug 4, the slack time of its cost is longer, affect production efficiency.
Further, power set can be hydraulic jack 1, and axle plug 4 is connected through shaft coupling 3 with the piston 2 of hydraulic jack 1.The piston 2 of hydraulic jack 1 is connected through shaft coupling 3 with axle plug 4, in other embodiments, can also be fixed by other connected modes, as bolt connects, as long as ensure that axle plug 4 is under the drive of hydraulic jack 1, it is possible to inner chamber moves vertically, concrete fixed form is not construed as limiting, hydraulic jack 1 can also be replaced by other power set, such as motor, diesel engine etc., according to actual production needs and cost consideration sets itself.
Concrete, the two ends of swelling inner chamber can be respectively arranged with at least one radial direction through hole 10.Radial direction through hole 10 connects axial bore and swelling inner chamber, and radial direction through hole 10 is positioned at the two ends of swelling inner chamber, namely radial direction through hole 10 is placed at the two ends, left and right of swelling inner chamber respectively, and the distance that arrives swelling inner chamber left and right end face respectively is equal, so ensure that elastoplast 6 or hydraulic oil are identical to the tension force at workpiece 8 two ends, it is prevented that the unbalance stress at workpiece 8 two ends.Elastoplast 6 or hydraulic oil are when being under pressure mobile, swelling inner chamber is arrived through radial direction through hole 10, the preferential two ends indent end face force to swelling inner chamber, indent end face forced expansion, first the two ends of workpiece 8 are clamped, and then move towards the middle part of swelling inner chamber, the two ends so making thin-wall sleeve 7 are preferentially clamped, when the full elastoplast 6 of swelling inner chamber is further continued for filling, elastoplast 6 continues inside filling through radial direction through hole 10, first arrive the two ends of swelling inner chamber, the two ends making swelling inner chamber continue to expand, make workpiece 8 two ends can by complete swelling, when workpiece 8 two ends are processed, ensure that the clamping force to workpiece 8 two ends.
At least one radial direction through hole 10 is set at two ends, make two ends for the tension force relative equilibrium of workpiece 8, the phenomenon of unbalance stress will not be produced, the number of radial direction through hole 10 can be set according to the size of the size of actual clamp body and required clamping workpiece 8, in the particular embodiment, can along clamp body circumferentially so that chuck body 5 is identical to the tension force at the two ends of whole workpiece 8.Certainly, in other embodiments, it is also possible to arrange radial direction through hole 10 in other positions of swelling inner chamber, but other positions are it cannot be guaranteed that clamping force to two ends, and concrete radial direction through hole 10 position sets and can be set voluntarily according to actual needs.
On the basis of the various embodiments described above, the two ends of swelling inner chamber can be provided with three radial direction through hole 10 and three is evenly arranged along the circumference of chuck body 5 respectively.The two ends of swelling inner chamber are respectively arranged with three radial direction through hole 10, three radial direction through hole 10 are evenly arranged in the circumference of chuck body 5, in one embodiment, concrete, the axis of the radial direction through hole 10 at swelling inner chamber two ends can in one plane, and namely six radial direction through hole 10 at the two ends, left and right of swelling inner chamber are placed in triangular prism-shaped, and such elastoplast 6 or hydraulic oil are when swelling, the whole circumference at workpiece 8 two ends can be fixed, the clamping effect of workpiece 8 is good.In other embodiments, the radial direction through hole 10 of other quantity can also be set, as being respectively provided with two or four radial direction through hole 10 at the two ends of swelling inner chamber, but in such cases, radial direction through hole 10 quantity that four radial direction through hole 10 make chuck body 5 is too much so that maximum stress in bend and peak torque that chuck body 5 can be born reduce accordingly, and the power that chuck body 5 can be born when rotated diminishes, it is susceptible to fracture or buckling phenomenon, causes production accident.
Further, chuck body 5 being provided with the screwed hole 12 for positioning, screwed hole 12 is placed along the axisymmetrical of chuck body 5.When chuck body 5 is fixing with the main shaft of rotating shaft or other lathes, it is positioned by the screwed hole 12 that can pass through in chuck body 5, prevent the phenomenon that center of rotation is misaligned, screwed hole 12 can be placed along the axisymmetrical of chuck body 5, so chuck body 5 can be positioned better, can not also carrying out symmetrically placed in other embodiments, being connected as long as ensure that chuck body 5 and other main shafts are fixing.
Concrete, thin-wall sleeve 7 is 40Cr thin-wall sleeve 7.40Cr is the standard grade of steel of China's GB, has good comprehensive mechanical property, good low-temperature impact toughness and low notch sensitivity after modifier treatment, may be adapted to make medium-sized mould of plastics.In other embodiments, it is also possible to select other kinds of material as thin-wall sleeve 7, but need enough elasticity and intensity, prevent in the clamping process to workpiece 8, breaking or the phenomenon such as damage, affect the processing of workpiece 8, the material of concrete thin-wall sleeve 7 can select according to production cost.
During original state, hydraulic jack 1 left chamber oil-free, piston 2 is in the high order end of hydraulic jack 1, now, the axial bore of chuck body 5 and the elastoplast 6 of swelling inner chamber are all in relaxed state, and thin-wall sleeve cylindrical in the raw, is arranged on workpiece 8 on thin-wall sleeve 7.
After hydraulic jack 1 work, piston 2 moves right, piston rod passes through shaft coupling 3, impeller-hub plug 4 moves right along axle plug sleeve 11, and the elastoplast 6 in the axial bore of chuck body 5 is subject to the thrust of axle plug 4 and moves right, and elastoplast 6 pressure of axial bore increases, the elastoplast 6 of axial bore flows in swelling inner chamber, elastoplast 6 pressure of swelling inner chamber becomes larger, and the cylindrical of thin-wall sleeve 7 mid portion first outwards swells, and workpiece 8 mid portion is clamped；Left and right end face inner chamber at thin-wall sleeve 7 adopts convex arc structure, corresponding outside then adopts concave arc structure, and when the pressure of elastoplast 6 increases, the pressure of elastoplast 6 acts on the dome arc of swelling inner chamber, end face elasticity distending, the excircle part connected together is outside distending also.So, whole thin-wall sleeve 7 cylindrical all distendings, so workpiece 8 is by overall clamping.
Due to the mid portion of workpiece 8 endoporus and two ends be affected by thin-wall sleeve 7 to external support force, workpiece 8 is by overall clamping, it is ensured that workpiece 8 when processed, roundness of external circle, linearity, improve Product Precision.
After workpiece 8 completion of processing, hydraulic jack 1 right chamber oil-feed, piston 2 is promoted to move from right to left side, piston 2 pulls axle plug 4 to be moved to the left, and axial bore space becomes big, and elastoplast 6 pressure of axial bore declines; the elastoplast 6 of the swelling inner chamber of thin-wall sleeve 7 flows to the axial bore of chuck body 5; elastoplast 6 pressure of the swelling inner chamber of thin-wall sleeve 7 reduces, and thin-wall sleeve 7 shrinks, and workpiece 8 is released.
In this specification, each embodiment adopts the mode gone forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually referring to.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this utility model.The multiple amendment of these embodiments be will be apparent from for those skilled in the art, and generic principles defined herein when without departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (10)
1. a round buss thin-wall sleeve fixture, it is characterized in that, including the chuck body (5) being provided with axial bore and radial direction through hole (10), it is set in the thin-wall sleeve (7) that described chuck body (5) outside can bulge, described thin-wall sleeve (7) is fixing with described chuck body (5) to be connected, it is provided with swelling inner chamber between described thin-wall sleeve (7) and described chuck body (5), described radial direction through hole (10) connects described axial bore and described swelling inner chamber, equipped with elastoplast (6) or hydraulic oil between described axial bore and described swelling inner chamber, the end face of described thin-wall sleeve (7) is indent end face.
2. round buss thin-wall sleeve fixture according to claim 1, it is characterised in that described indent end face is concaved circular cambered surface.
3. round buss thin-wall sleeve fixture according to claim 2, it is characterised in that described concaved circular cambered surface minimum point place wall thickness is less than the two ends place wall thickness of described concaved circular cambered surface.
4. round buss thin-wall sleeve fixture according to claim 3, it is characterized in that, one end of described chuck body (5) is provided with axle plug sleeve (11), and described chuck body (5) is connected with described axle plug sleeve (11) screw.
5. round buss thin-wall sleeve fixture according to claim 4, it is characterized in that, also include power set, it is arranged with axle plug (4) in described axle plug sleeve (11), described axle plug (4) is moved along described axial bore through described axle plug sleeve (11), and described power set are fixing with described axle plug (4) to be connected.
6. round buss thin-wall sleeve fixture according to claim 5, it is characterized in that, described power set are hydraulic jack (1), and described axle plug (4) is connected through shaft coupling (3) with the piston (2) of described hydraulic jack (1).
7. round buss thin-wall sleeve fixture according to claim 1, it is characterised in that the two ends of described swelling inner chamber are respectively arranged with at least one described radial direction through hole (10).
8. the round buss thin-wall sleeve fixture according to any one of claim 1-7, it is characterized in that, the two ends of described swelling inner chamber are provided with three described radial direction through hole (10) and three is evenly arranged along the circumference of described chuck body (5) respectively.
9. round buss thin-wall sleeve fixture according to claim 8, it is characterized in that, being provided with the screwed hole (12) for positioning in described chuck body (5), described screwed hole (12) is placed along the axisymmetrical of described chuck body (5).
10. round buss thin-wall sleeve fixture according to claim 9, it is characterised in that described thin-wall sleeve (7) is 40Cr thin-wall sleeve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521095517.XU CN205362731U (en) | 2015-12-25 | 2015-12-25 | Circle for sleeve thin wall overlap anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521095517.XU CN205362731U (en) | 2015-12-25 | 2015-12-25 | Circle for sleeve thin wall overlap anchor clamps |
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| Publication Number | Publication Date |
|---|---|
| CN205362731U true CN205362731U (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521095517.XU Active CN205362731U (en) | 2015-12-25 | 2015-12-25 | Circle for sleeve thin wall overlap anchor clamps |
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| CN (1) | CN205362731U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107414115A (en) * | 2017-08-18 | 2017-12-01 | 重庆工具厂有限责任公司 | Mandrel that liquid is swollen |
| CN109176353A (en) * | 2018-10-18 | 2019-01-11 | 东莞市国森科精密工业有限公司 | A kind of clamping tool of harmonic wave flexbile gear finishing |
| CN110153455A (en) * | 2019-06-13 | 2019-08-23 | 扬州大学 | A kind of novel clamp for thin-walled cylindrical turning |
| CN111515628A (en) * | 2020-05-07 | 2020-08-11 | 河北华北柴油机有限责任公司 | Processing method of large-diameter blind hole thin-wall shell |
-
2015
- 2015-12-25 CN CN201521095517.XU patent/CN205362731U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107414115A (en) * | 2017-08-18 | 2017-12-01 | 重庆工具厂有限责任公司 | Mandrel that liquid is swollen |
| CN109176353A (en) * | 2018-10-18 | 2019-01-11 | 东莞市国森科精密工业有限公司 | A kind of clamping tool of harmonic wave flexbile gear finishing |
| CN110153455A (en) * | 2019-06-13 | 2019-08-23 | 扬州大学 | A kind of novel clamp for thin-walled cylindrical turning |
| CN111515628A (en) * | 2020-05-07 | 2020-08-11 | 河北华北柴油机有限责任公司 | Processing method of large-diameter blind hole thin-wall shell |
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