CN105965292A - Quick locking anti-pull expanding tire of workpiece being positioned by using inner hole and end face - Google Patents
Quick locking anti-pull expanding tire of workpiece being positioned by using inner hole and end face Download PDFInfo
- Publication number
- CN105965292A CN105965292A CN201610479461.0A CN201610479461A CN105965292A CN 105965292 A CN105965292 A CN 105965292A CN 201610479461 A CN201610479461 A CN 201610479461A CN 105965292 A CN105965292 A CN 105965292A
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- China
- Prior art keywords
- cone
- vertex
- expansion set
- tap web
- quick locking
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
- B23B31/16158—Jaws movement actuated by coaxial conical surfaces
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tyre Moulding (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention discloses a quick locking anti-pull expanding tire of a workpiece being positioned by using an inner hole and an end face, and relates to the field of high-precision quick locking fixtures for numerically-controlled machine tools. The quick locking anti-pull expanding tire comprises an expanding sleeve, a tapered core shaft and a tapered jack screw, wherein the tapered core shaft stretches into the expanding sleeve in the axial direction; a radial cylindrical through hole is formed in the axial side wall of the expanding sleeve; a radial tapered groove is formed in the axial side wall of the tapered core shaft; the size of the tapered jack screw is fit with those of the cylindrical through hole of the expanding sleeve and the tapered groove of the tapered core shaft; after the expanding sleeve is assembled with the tapered core shaft, the tapered jack screw penetrates through the cylindrical through hole in the radial direction and stretches into the tapered groove of the tapered core shaft, thereby realizing fastening connection. With the adoption of the quick locking anti-pull expanding tire, high-precision quick locking of the workpiece being positioned by using the inner hole and the end face can be realized; clamping positioning can be carried out simply by using the inner hole and the end face; the processing of the excircle and the end face is not affected; the quick locking anti-pull expanding tire is simple and convenient to use; and on the premise of ensuring the positioning precision, the clamping efficiency is improved.
Description
Technical field
The present invention relates to interior hole end surface location workpiece high accuracy quick locking field of fixtures, particularly endoporus and
The swollen tire of quick locking reverse drawing of end face location workpiece.
Background technology
In the digital control processing of precision component, quickly, in high precision clamping become and determine machining accuracy and efficiency
Principal element.Particularly non-through hollow, that is blind chamber workpiece, utilizing outside endoporus and the processing of end face location
Shape, and profile and endoporus, end face have the geometric accuracy requirements such as the axiality of no more than 0.01mm, perpendicularity
Time, the centering of part, clamping are wasted time and energy, and precision is difficult to ensure card.
The polish either numerical control lathe of present stage above-mentioned part or numerical control mill, all with Internal hole positioning.Endoporus
Location is frequently with swollen tire, and the tap web axle outer wall of general swollen tire is provided with screw thread, revolves in the end face direction of part
Tightly, for realizing reliability when swollen tire uses, it is the longest that tap web axle makes screw thread, and will rotate a lot of circle could realize
The clamping of workpiece or dismounting, efficiency is low.And affect the processing of end face, it is not suitable for the fast quick-mounting of Digit Control Machine Tool
Clamp the demand of position.
Processing in aforementioned manners, the average clamping time is longer, and owing to end face cannot be once-forming, precision is low,
Use second positioning processing that efficiency is produced to have a strong impact on.
Summary of the invention
It is an object of the invention to overcome the above-mentioned deficiency of prior art, it is provided that a kind of endoporus and end face location work
The swollen tire of quick locking reverse drawing of part, it is only necessary to endoporus and an end face can carry out Set and Positioning, outside not affecting
Circle and end face are processed, easy to use, on the basis of ensureing positioning precision, improve clamping efficiency.
The above-mentioned purpose of the present invention is achieved by following technical solution:
Endoporus and the swollen tire of quick locking reverse drawing of end face location workpiece, including expansion set, tap web axle and vertex of a cone silk；
Wherein tap web axle is projecting axially in expansion set；The axial side wall of expansion set is provided with radially cylindrical hole；Tap web
The axial side wall of axle is provided with radial taper groove；Vertex of a cone silk size respectively with cylindrical hole and the tap web of expansion set
The cone tank of axle matches；After tap web axle is projecting axially into expansion set, vertex of a cone silk passes radially through the cylinder of expansion set
Shape through hole in stretching into the cone tank of tap web axle, it is achieved be fastenedly connected.
Position the swollen tire of quick locking reverse drawing of workpiece at above-mentioned endoporus and end face, described expansion set includes elastic cone
Shape opening portion and expansion set base；The slot face of elastic cone opening portion and one end of expansion set base are axially solid
Fixed connection.
Position the swollen tire of quick locking reverse drawing of workpiece at above-mentioned endoporus and end face, described tap web axle includes cylinder
Part and round platform part；One end of column part is connected with round platform part slot face axial restraint；During assembling,
Column part and round platform part are stretched into by tap web axle the most successively from the elastic cone opening portion of expansion set,
Until the outer wall of tap web axle round platform part and the contact internal walls of expansion set elastic cone opening portion.
The swollen tire of quick locking reverse drawing of workpiece is positioned at above-mentioned endoporus and end face, elastic cone opening portion
Tapering a is 18-22 °, the tapering of described tap web axle round platform part and the tapering phase of elastic cone opening portion
With.
The swollen tire of quick locking reverse drawing of workpiece, the cylinder of described expansion set sidewall is positioned at above-mentioned endoporus and end face
Shape through-hole diameter R1 is 3-100mm；Described expansion set material is ledrite；Tap web axle and vertex of a cone wire material are
Rustless steel.
The swollen tire of quick locking reverse drawing of workpiece, the cone of described cone mandrel sidewall is positioned at above-mentioned endoporus and end face
Shape trench bottom diameter R2 is 3-100mm；Tapering b is 9-11 °.
Position the swollen tire of quick locking reverse drawing of workpiece at above-mentioned endoporus and end face, described vertex of a cone silk includes cylinder
Part and vertex of a cone part；Column part and the fixing connection of vertex of a cone part；The tapering c of vertex of a cone part is 9-11 °.
Position the swollen tire of quick locking reverse drawing of workpiece at above-mentioned endoporus and end face, column part diameter R3 is
3-100mm；Vertex of a cone section diameter R4 is 5-8mm.
Position the swollen tire of quick locking reverse drawing of workpiece at above-mentioned endoporus and end face, when tap web axle, to stretch into expansion set straight
During to the contact internal walls of outer wall and the expansion set elastic cone opening portion of tap web axle round platform part, successively by the vertex of a cone
The vertex of a cone part of silk, column part axially stretch into along the cylindrical hole of expansion set, and final tap web axial cone top
The lateral wall divided contacts with the medial wall of the cone tank of tap web axle, the outer wall of tap web axle round platform part and expansion set
Cylindrical hole contact internal walls.
The swollen tire of quick locking reverse drawing of workpiece, the cylindrical portion of described vertex of a cone silk is positioned at above-mentioned endoporus and end face
Exceptionally wall is provided with screw thread, and the cylindrical hole inwall of expansion set is provided with and coordinates with vertex of a cone silk column part outer wall
Screw thread；Screw one end of vertex of a cone silk column part, make the medial wall of tap web axle cone tank on vertex of a cone screw tap top
Under the active force of the eccentric conical surface of portion outboard wall, it is achieved tap web axle is vertically to elastic cone opening portion
Internal mobile.
The present invention compared with prior art has the advantage that
(1) present invention employs expansion set, tap web axle and vertex of a cone silk, by screwing the one of vertex of a cone silk column part
End, makes under the active force of the eccentric conical surface that the cone tank of cone mandrel sidewall divides at vertex of a cone screw tap top, it is achieved cone
Mandrel moves to the inside of elastic cone opening portion, finally achieves expansion set and the positioning and locking of tap web axle.
Relative to prior art, simple to operate, working place is big, greatly improve working (machining) efficiency；
(2) present invention employs vertex of a cone silk structure, the vertex of a cone of vertex of a cone silk partially passes through the cylindrical hole of expansion set
And stretching into the cone tank of tap web axle, the column part of vertex of a cone silk stretches into the cylindrical hole of expansion set, compared to existing
There is the more rapid quick locking achieving workpiece accurately of technology；
(3) present invention employs vertex of a cone silk structure, a diameter of 3-100mm of this structure column part, a height of
15-25mm；Cone top part reference cone degree is 9-11 °, by adjust vertex of a cone screw tap degree, it is achieved that clamping power can
Control；
(4) present invention employs tap web axle construction, a diameter of 3-100mm of cone tank of cone mandrel sidewall；
Tapering is 9-11 °, by coordinating with vertex of a cone silk eccentric conical surface, it is achieved that inside swollen tire quickly, accurately lock,
Clamped one time can realize the processing of end face and cylindrical.
Accompanying drawing explanation
Fig. 1 is endoporus of the present invention and the quick locking reverse drawing swollen tire overall structure schematic diagram of end face location workpiece；
Fig. 2 is endoporus of the present invention and the quick locking reverse drawing swollen tire explosive view of end face location workpiece；
Fig. 3 is tap web axial section of the present invention；
Fig. 4 is expansion set profile of the present invention；
Fig. 5 is vertex of a cone silk front view of the present invention.
Detailed description of the invention
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings:
It is illustrated in figure 1 endoporus and the quick locking reverse drawing swollen tire overall structure schematic diagram of end face location workpiece,
As seen from the figure, endoporus and the swollen tire of quick locking reverse drawing of end face location workpiece, including expansion set 1, tap web axle 2
With vertex of a cone silk 3；During wherein tap web axle 2 is projecting axially into expansion set 1；The axial side wall of expansion set 1 is provided with footpath
To cylindrical hole；The axial side wall of tap web axle 2 is provided with radial taper groove；Vertex of a cone silk 3 size respectively with
The cylindrical hole of expansion set 1 and the cone tank of tap web axle 2 match；Tap web axle 2 is projecting axially into expansion set 1
After, in vertex of a cone silk 3 passes radially through the cylindrical hole of expansion set 1 and stretches into the cone tank of tap web axle 2, real
Now it is fastenedly connected.
Be illustrated in figure 2 endoporus and end face location workpiece quick locking reverse drawing swollen tire explosive view, as seen from the figure,
Described expansion set 1 includes elastic cone opening portion 1-1 and expansion set base 1-2；Elastic cone opening portion 1-1
Slot face be connected with one end axial restraint of expansion set base 1-2.
Described tap web axle 2 includes column part and round platform part；One end of column part and round platform part slot
Face axial restraint connects；During assembling, by tap web axle 2 the most successively by column part and round platform part from swollen
The elastic cone opening portion 1-1 of set 1 stretches into, until the outer wall of tap web axle 2 round platform part and expansion set 1 bullet
The contact internal walls of property tapered opening part 1-1.
When tap web axle 2 stretches into expansion set 1 until the outer wall of tap web axle 2 round platform part is opened with expansion set 1 elastic cone
When oral area divides the contact internal walls of 1-1, successively by the vertex of a cone part of vertex of a cone silk 3, column part along expansion set 1
Cylindrical hole axially stretches into, and the cone tank of the lateral wall of final tap web axle 2 vertex of a cone part and tap web axle 2
Medial wall contact, the outer wall of tap web axle 2 round platform part and the cylindrical hole contact internal walls of expansion set 1.
The column part outer wall of described vertex of a cone silk 3 is provided with screw thread, and the cylindrical hole inwall of expansion set 1 is arranged
There is the screw thread coordinated with vertex of a cone silk 3 column part outer wall；Screw one end of vertex of a cone silk 3 column part, make cone
The medial wall of mandrel 2 cone tank is under the active force of the eccentric conical surface of vertex of a cone silk 3 cone top part outer side wall, real
Existing tap web axle 2 moves to the inside of elastic cone opening portion 1-1 vertically.
It is illustrated in figure 3 tap web axial section, as seen from the figure, bottom the cone tank of described tap web axle 2 sidewall
Diameter R2 is 3-100mm；Tapering b is 9-11 °.
Being illustrated in figure 4 expansion set profile, as seen from the figure, the tapering a of elastic cone opening portion 1-1 is
18-22 °, the tapering of described tap web axle 2 round platform part is identical with the tapering of elastic cone opening portion 1-1；
The cylindrical hole diameter R1 of expansion set 1 sidewall is 3-100mm.
Being illustrated in figure 5 vertex of a cone silk front view, as seen from the figure, vertex of a cone silk 3 includes column part and cone top part
Point；Column part and the fixing connection of vertex of a cone part；Column part diameter R3 is 3-100mm；Vertex of a cone part
Diameter R4 is 5-8mm, and tapering c is 9-11 °.
Expansion set 1 material is ledrite；Tap web axle 2 and vertex of a cone silk 3 material are rustless steel.
Assembling process:
When the present invention implements, being connected fixing with platen for expansion set base 1-2, centering precision reaches
0.005mm；The inner hole of workpiece that need to process is inserted in the cylindrical of elastic cone opening portion 1-1, workpiece end face
It is close to expansion set base 1-2 end face；Tap web axle 2 is inserted the endoporus of elastic cone opening portion 1-1, cone
The cone tank of mandrel 2 sidewall is substantially aligned with expansion set base 1-1 axial side wall cylindrical hole；Will cone
Jackscrew 3 screws along expansion set base 1-1 circular radial cylindricality through-hole wall screw thread, it is ensured that vertex of a cone silk 3 tapered segment
Through expansion set base 1-1 axial side wall screwed hole and the cone tank of tap web axle 2 sidewall.Tap web axle 2 is making
Time, it is desirable in the case of not stressing, when naturally loading the endoporus of expansion set 1, the taper of tap web axle 2 sidewall
Groove is the most concentric with expansion set base 1-1 axial side wall screwed hole, and the cone tank center of tap web axle 2 sidewall is partial to
1-1 one end, elastic cone opening portion, and vertex of a cone silk 3 is concentric with expansion set base 1-1 axial side wall screwed hole,
By vertex of a cone silk 3 being screwed through expansion set base 1-1 axial side wall screwed hole and the taper of tap web axle 2 sidewall
Groove, makes vertex of a cone silk 3 vertex of a cone part produce eccentric conical surface active force with the cone tank of tap web axle 2 sidewall, at cone
In the continuous screwing operations of jackscrew 3, make tap web axle 2 move axially, constantly stretch into expansion set 1 internal, make
Obtain the outer wall of tap web axle 2 round platform part and the contact internal walls of expansion set 1 elastic cone opening portion 1-1, produce
Radial forces so that expansion set 1 elastic cone opening portion 1-1 occurs elastic deformation, radially becomes big,
Dead with the inner hole of workpiece patch that need to process, it is achieved that workpiece being accurately positioned on swollen tire.
The instrument for testing precision of the present invention should be noted following item in application process: the endoporus of 1 present invention and end
Face location workpiece the swollen tire of quick locking reverse drawing, positioning precision depend on expansion set cylindrical precision and with in workpiece
The fit clearance in hole；During 2 use, first frock is fixed on lathe, lathe carries out finishing to expansion set
Work.Ensure and platen or the positional precision of main shaft；3 by adjusting the tapering of vertex of a cone silk, to stroke
It is controlled with clamping power.
System described above is a kind of situation of the present invention, and those skilled in the art can be according to difference
Requirement and design parameter carry out various supplement without deviating from the invention, improve and change, such as:
The locking of vertex of a cone silk is changed into camlock, quick locking effect can be played equally.
The content not being described in detail in description of the invention belongs to the known technology of those skilled in the art.
Claims (10)
1. endoporus and end face location workpiece the swollen tire of quick locking reverse drawing, it is characterised in that: include expansion set (1),
Tap web axle (2) and vertex of a cone silk (3)；During wherein tap web axle (2) is projecting axially into expansion set (1)；Expansion set
(1) axial side wall is provided with radially cylindrical hole；The axial side wall of tap web axle (2) is provided with radially
Cone tank；Vertex of a cone silk (3) size respectively with cylindrical hole and the cone of tap web axle (2) of expansion set (1)
Shape groove matches；After tap web axle (2) is projecting axially into expansion set (1), vertex of a cone silk (3) passes radially through
The cylindrical hole of expansion set (1) in stretching into the cone tank of tap web axle (2), it is achieved be fastenedly connected.
Endoporus the most according to claim 1 and the swollen tire of quick locking reverse drawing of end face location workpiece, its
It is characterised by: described expansion set (1) includes elastic cone opening portion (1-1) and expansion set base (1-2)；
The slot face of elastic cone opening portion (1-1) is connected with one end axial restraint of expansion set base (1-2).
Endoporus the most according to claim 1 and 2 and the swollen tire of quick locking reverse drawing of end face location workpiece,
It is characterized in that: described tap web axle (2) includes column part and round platform part；One end of column part and circle
Platform part slot face axial restraint connects；During assembling, by tap web axle (2) the most successively by column part and
Round platform part stretches into from the elastic cone opening portion (1-1) of expansion set (1), until tap web axle (2) round platform
The outer wall of part and the contact internal walls of expansion set (1) elastic cone opening portion (1-1).
Endoporus the most according to claim 3 and the swollen tire of quick locking reverse drawing of end face location workpiece, its
It is characterised by: the tapering a of elastic cone opening portion (1-1) is 18-22 °, described tap web axle (2)
The tapering of round platform part is identical with the tapering of elastic cone opening portion (1-1).
Endoporus the most according to claim 1 and the swollen tire of quick locking reverse drawing of end face location workpiece, its
It is characterised by: the cylindrical hole diameter R1 of described expansion set (1) sidewall is 3-100mm；Described expansion set
(1) material is ledrite；Tap web axle (2) and vertex of a cone silk (3) material are rustless steel.
Endoporus the most according to claim 1 and the swollen tire of quick locking reverse drawing of end face location workpiece, its
It is characterised by: the cone tank base diameter R2 of described tap web axle (2) sidewall is 3-100mm；Tapering b
For 9-11 °.
Endoporus the most according to claim 1 and the swollen tire of quick locking reverse drawing of end face location workpiece, its
It is characterised by: described vertex of a cone silk (3) includes column part and vertex of a cone part；Column part and vertex of a cone part are solid
Fixed connection；The tapering c of vertex of a cone part is 9-11 °.
Endoporus the most according to claim 7 and the swollen tire of quick locking reverse drawing of end face location workpiece, its
It is characterised by: column part diameter R3 is 3-100mm；Vertex of a cone section diameter R4 is 5-8mm.
9. the quick locking reverse drawing according to the endoporus one of claim 1-8 Suo Shu and end face location workpiece is swollen
Tire, it is characterised in that: when tap web axle (2) stretches into expansion set (1) until tap web axle (2) round platform part
During the contact internal walls of outer wall and expansion set (1) elastic cone opening portion (1-1), successively by vertex of a cone silk (3)
Vertex of a cone part, column part axially stretch into along the cylindrical hole of expansion set (1), and final tap web axle (2)
The lateral wall of vertex of a cone part contacts with the medial wall of the cone tank of tap web axle (2), tap web axle (2) round platform portion
The outer wall divided and the cylindrical hole contact internal walls of expansion set (1).
Endoporus the most according to claim 9 and the swollen tire of quick locking reverse drawing of end face location workpiece, its
It is characterised by: the column part outer wall of described vertex of a cone silk (3) is provided with screw thread, the cylinder of expansion set (1)
Through-hole wall is provided with the screw thread coordinated with vertex of a cone silk (3) column part outer wall；Screw vertex of a cone silk (3) circle
One end of post part, makes the medial wall of tap web axle (2) cone tank at vertex of a cone silk (3) cone top part outer side wall
Eccentric conical surface active force under, it is achieved tap web axle (2) is vertically to elastic cone opening portion (1-1)
Inside move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610479461.0A CN105965292B (en) | 2016-06-27 | 2016-06-27 | The swollen tire of quick locking reverse drawing of endoporus and end face positioning workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610479461.0A CN105965292B (en) | 2016-06-27 | 2016-06-27 | The swollen tire of quick locking reverse drawing of endoporus and end face positioning workpiece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105965292A true CN105965292A (en) | 2016-09-28 |
| CN105965292B CN105965292B (en) | 2018-10-19 |
Family
ID=57020190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610479461.0A Active CN105965292B (en) | 2016-06-27 | 2016-06-27 | The swollen tire of quick locking reverse drawing of endoporus and end face positioning workpiece |
Country Status (1)
| Country | Link |
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| CN (1) | CN105965292B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108581564A (en) * | 2018-04-18 | 2018-09-28 | 哈尔滨建成集团有限公司 | Cavity thin-wall ladder class part vehicle shape special fixture in a kind of circular-arc bottom face blind hole |
| CN109318022A (en) * | 2018-11-07 | 2019-02-12 | 昌河飞机工业（集团）有限责任公司 | A kind of high accurate hole positioning compression structure |
| CN110303358A (en) * | 2019-08-06 | 2019-10-08 | 洛阳鹏起实业有限公司 | Vibration damping tooling for processing thin-walled cylinder shape workpiece |
| CN111958284A (en) * | 2020-09-21 | 2020-11-20 | 珠海格力智能装备有限公司 | Clamping assembly, clamping device and lathe |
| CN112140033A (en) * | 2020-11-08 | 2020-12-29 | 株洲市湘宁高中频设备有限责任公司 | Workpiece inner hole clamp for high-frequency induction heating |
| CN113199396A (en) * | 2021-05-12 | 2021-08-03 | 自贡硬质合金有限责任公司 | Clamping tool and method for grinding outer conical surface of product |
| CN114378736A (en) * | 2020-10-21 | 2022-04-22 | 航天科工惯性技术有限公司 | Positioning and clamping device for blind hole |
| CN117817755A (en) * | 2024-03-05 | 2024-04-05 | 洛阳佰工工业密封有限公司 | Cutting device and cutting method for composite gasket |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108581564A (en) * | 2018-04-18 | 2018-09-28 | 哈尔滨建成集团有限公司 | Cavity thin-wall ladder class part vehicle shape special fixture in a kind of circular-arc bottom face blind hole |
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| CN110303358A (en) * | 2019-08-06 | 2019-10-08 | 洛阳鹏起实业有限公司 | Vibration damping tooling for processing thin-walled cylinder shape workpiece |
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| CN114378736A (en) * | 2020-10-21 | 2022-04-22 | 航天科工惯性技术有限公司 | Positioning and clamping device for blind hole |
| CN112140033A (en) * | 2020-11-08 | 2020-12-29 | 株洲市湘宁高中频设备有限责任公司 | Workpiece inner hole clamp for high-frequency induction heating |
| CN113199396A (en) * | 2021-05-12 | 2021-08-03 | 自贡硬质合金有限责任公司 | Clamping tool and method for grinding outer conical surface of product |
| CN117817755A (en) * | 2024-03-05 | 2024-04-05 | 洛阳佰工工业密封有限公司 | Cutting device and cutting method for composite gasket |
| CN117817755B (en) * | 2024-03-05 | 2024-05-17 | 洛阳佰工工业密封有限公司 | Cutting device and cutting method for composite gasket |
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|---|---|
| CN105965292B (en) | 2018-10-19 |
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