CN108036688B - A kind of large and medium-sized position degree measuring tool adjustable location pin device and method of adjustment - Google Patents
A kind of large and medium-sized position degree measuring tool adjustable location pin device and method of adjustment Download PDFInfo
- Publication number
- CN108036688B CN108036688B CN201711235071.XA CN201711235071A CN108036688B CN 108036688 B CN108036688 B CN 108036688B CN 201711235071 A CN201711235071 A CN 201711235071A CN 108036688 B CN108036688 B CN 108036688B
- Authority
- CN
- China
- Prior art keywords
- positioning pin
- tap
- position degree
- measuring tool
- positioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/004—Measuring arrangements characterised by the use of mechanical techniques for measuring coordinates of points
- G01B5/008—Measuring arrangements characterised by the use of mechanical techniques for measuring coordinates of points using coordinate measuring machines
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
A kind of large and medium-sized position degree measuring tool adjustable location pin device and method of adjustment, position degree measuring tool workbench are equipped with transfer jack, and multi-tap interference is inserted into transfer jack；Second level stepped hole, respectively positioning pin fixation hole and positioning pin adjusting hole are equipped in multi-tap；Positioning pin includes top cylindrical positioning section, middle part circular cone adjustment section and bottom cylinder fixing end, positioning pin is inserted into positioning pin fixation hole by bottom cylinder fixing end interference, middle part circular cone adjustment section is located in positioning pin adjusting hole, and top cylindrical positioning section is located at top outside positioning pin adjusting hole；It is laid with four blocks that rise between middle part circular cone adjustment section and positioning pin adjusting hole, there are resigning gaps between the adjacent block that rises；Tension bolt passes through unthreaded hole on the block that rises and is connected on multi-tap.Method of adjustment are as follows: multi-tap is inserted into transfer jack, detects positioning pin top cylindrical positioning section position degree, the mobile block trim locations degree that rises, until meeting design requirement using high accuracy three coordinate measuring machine.
Description
Technical field
The invention belongs to position degree measuring tool manufacturing technology field, more particularly to a kind of large and medium-sized position degree measuring tool with adjustable
Formula dowel device and method of adjustment.
Background technique
In mechanical processing process, it is often necessary to use position degree measuring tool to examine the relative position in hole on part, due to
Part category is various and shape difference is huge, therefore position degree measuring tool can only be separately fabricated for specific component progress, in order to true
The detection accuracy for protecting part, needs to guarantee that the position degree of positioning pin on position degree measuring tool reaches 0.01~φ of φ 0.02mm.
For small-sized position degree measuring tool, the inserting bottom of positioning pin is processed usually using high-precision slow wire feeding equipment
Hole, the machining accuracy for inserting bottom outlet can be within φ 0.005, after positioning pin is installed to inserting bottom outlet, the position degree of positioning pin
It can achieve φ 0.01~φ 0.015mm, therefore can satisfy the detection accuracy requirement of part.
But for medium-sized position degree measuring tool, the inserting bottom outlet of positioning pin is then needed through high-precision coordinate grinding machine
Grinding is carried out, inserts the machining accuracy of bottom outlet in φ 0.006~φ 0.01mm, after positioning pin is installed to inserting bottom outlet,
The position degree of positioning pin can reach φ 0.015~φ 0.02mm reluctantly, but still need that other modes is assisted to be guaranteed, into
And it is just able to satisfy the detection accuracy requirement of part, cause the manufacture difficulty of medium-sized position degree measuring tool can not have always been high any more.
And for large-scale position degree measuring tool, the inserting bottom outlet of positioning pin can only then be added by accurate boring equipment
Work, and Boring preciseness will receive the influence of the factors such as machine tool accuracy, cutter, environment temperature, rapidoprint and manufacturing process,
The machining accuracy of inserting bottom outlet only can guarantee in φ 0.015~φ 0.04mm, after positioning pin is installed to inserting bottom outlet, positioning pin
The position degree overwhelming majority be in φ 0.02~φ 0.05mm, when especially positioning pin quantity is more, between each positioning pin from
Divergence also remains high, and causes the manufacture qualification rate of large-scale position degree measuring tool seriously relatively low.
Guaranteed since the prior art is difficult to be utilized in the position degree of positioning pin on large and medium-sized position degree measuring tool, is needed
The completely new technological means of one kind is found to guarantee the position degree of positioning pin, so that the system of large and medium-sized position degree measuring tool be greatly lowered
Difficulty is made, while also increasing substantially the manufacture qualification rate of large and medium-sized position degree measuring tool.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of large and medium-sized position degree measuring tool and is filled with adjustable location pin
It sets and method of adjustment, the position degree of positioning pin is guaranteed that becoming adjustment mode guarantees, significantly drops from traditional processing mode for the first time
The low manufacture difficulty of large and medium-sized position degree measuring tool, while the manufacture that large and medium-sized position degree measuring tool is also greatly improved is qualified
Rate.
To achieve the goals above, the present invention adopts the following technical scheme: a kind of large and medium-sized position degree measuring tool is with adjustable
Dowel device, including multi-tap, positioning pin, rise block and tension bolt；It is provided on the workbench of position degree measuring tool
Transfer jack, the multi-tap are located in transfer jack, and multi-tap and transfer jack are interference fitted；It is inserted in the switching
Second level stepped hole is offered on vertical direction inside seat, bottom stepped hole is set as positioning pin fixation hole, and top step hole is set as
Positioning pin adjusting hole；The positioning pin includes top cylindrical positioning section, middle part circular cone adjustment section and bottom cylinder fixing end, positioning
Pin is inserted into the positioning pin fixation hole of multi-tap by bottom cylinder fixing end interference, the middle part circular cone adjustment section of positioning pin
In the positioning pin adjusting hole of multi-tap, the top cylindrical positioning section of positioning pin is located at the positioning pin adjusting hole of multi-tap
External top；Described to rise number of blocks four, it is fixed that four blocks that rise are uniformly arranged circular cone adjustment section and multi-tap in the middle part of positioning pin
Between the pin adjusting hole of position, and there are resigning gaps between the adjacent block that rises；The tensioner spiral shell of vertical direction is offered on the block that rises
Bolt installs unthreaded hole, and the screw rod of the tension bolt passes through tension bolt and installs unthreaded hole and be connected on multi-tap.
Thrust spring is set on the screw rod to rise between block and multi-tap.
The top sides of the multi-tap are along equipped with flange arrangement, the flange arrangement of multi-tap and the work of position degree measuring tool
Make to be fixedly connected between platform by several grub screws.
Pressing amount when the multi-tap and transfer jack are interference fitted is 0.005~0.01mm.
Pressing amount when the positioning pin bottom cylinder fixing end and multi-tap positioning pin fixation hole are interference fitted is
0.005~0.01mm.
Concentricity between the top cylindrical positioning section of the positioning pin, middle part circular cone adjustment section and bottom cylinder fixing end
≤φ0.01mm。
Coning angle≤10 ° of circular cone adjustment section in the middle part of the positioning pin.
The axial length of the positioning pin top cylindrical positioning section is 5~8mm.
Using the positioning pin method of adjustment of the large and medium-sized position degree measuring tool adjustable location pin device, including it is as follows
Step:
Step 1: processing corresponding transfer jack on the workbench of position degree measuring tool first, guarantees transfer jack
Position degree≤φ 0.03mm；
Step 2: by multi-tap inserting into transfer jack；
Step 3: the position degree of high accuracy three coordinate measuring machine detection positioning pin top cylindrical positioning section is utilized；
Step 4: according to the position degree of the positioning pin top cylindrical positioning section of actual measurement, select the block that rises of corresponding orientation to fixed
The position degree of position pin top cylindrical positioning section is adjusted amendment, moves vertically especially by rotation tension bolt to control the block that rises
It is dynamic, block is risen by movement to squeeze circular cone adjustment section in the middle part of positioning pin, makes positioning pin that Light deformation integrally occur, until positioning pin top
The position degree of portion's cylinder positioning section meets design requirement after high accuracy three coordinate measuring machine detects；
Step 5: being filled with epoxy resin into the positioning pin adjusting hole of multi-tap, until epoxy resin solidify, rise block and
Tension bolt is sufficiently fixed by epoxy resin.
Beneficial effects of the present invention:
Compared with prior art, the present invention for the first time the position degree of positioning pin is guaranteed to become adjustment side from traditional processing mode
Formula guarantees, considerably reduces the manufacture difficulty of large and medium-sized position degree measuring tool, while large and medium-sized position degree is also greatly improved
The manufacture qualification rate of measuring tool.
Detailed description of the invention
Fig. 1 is a kind of large and medium-sized position degree measuring tool adjustable location pin apparatus structure schematic diagram of the invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is locating pin structure schematic diagram of the invention
In figure, 1-multi-tap, 2-positioning pins, 3-rise block, 4-tension bolts, and the work of 5-position degree measuring tools is flat
Platform, 6-transfer jacks, 7-positioning pin fixation holes, 8-positioning pin adjusting holes, 9-top cylindrical positioning sections, 10-middle part circular cones
Adjustment section, 11-bottom cylinder fixing ends, 12-resigning gaps, 13-tension bolts install unthreaded hole, 14-thrust springs, and 15-
Grub screw.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Figures 1 to 3, a kind of large and medium-sized position degree measuring tool adjustable location pin device, including it is multi-tap 1, fixed
Position pin 2, rise block 3 and tension bolt 4；Transfer jack 6, the multi-tap 1 are provided on the workbench 5 of position degree measuring tool
In transfer jack 6, and multi-tap 1 and transfer jack 6 are interference fitted；Vertical direction inside the multi-tap 1
On offer second level stepped hole, bottom stepped hole is set as positioning pin fixation hole 7, and top step hole is set as positioning pin adjusting hole 8；Institute
Stating positioning pin 2 includes top cylindrical positioning section 9, middle part circular cone adjustment section 10 and bottom cylinder fixing end 11, and positioning pin 2 passes through bottom
Cylinder fixing end 11 interference in portion's is inserted into the positioning pin fixation hole 7 of multi-tap 1, the middle part circular cone adjustment section 10 of positioning pin 2
In the positioning pin adjusting hole 8 of multi-tap 1, the top cylindrical positioning section 9 of positioning pin 2 is located at the positioning pin of multi-tap 1
8 outside top of adjusting hole；3 quantity of block four that rises, four blocks 3 that rise are uniformly arranged in 2 middle part circular cone adjustment section 10 of positioning pin
There are resigning gaps 12 between 1 positioning pin adjusting hole 8 of multi-tap, and between the adjacent block 3 that rises；It is opened up on the block 3 that rises
There is the tension bolt of vertical direction to install unthreaded hole 13, the screw rod of the tension bolt 4 passes through tension bolt and installs unthreaded hole 13 and consolidate
It is connected on multi-tap 1.
Thrust spring 14 is set on the screw rod to rise between block 3 and multi-tap 1.
The top sides of the multi-tap 1 are along equipped with flange arrangement, flange arrangement and the position degree measuring tool of multi-tap 1
It is fixedly connected between workbench 5 by several grub screws 15.
Pressing amount when the multi-tap 1 is interference fitted with transfer jack 6 is 0.005~0.01mm.
Pressing amount when the 2 bottom cylinder fixing end 11 of positioning pin is interference fitted with 1 positioning pin fixation hole 7 of multi-tap
For 0.005~0.01mm.
Between the top cylindrical positioning section 9 of the positioning pin 2, middle part circular cone adjustment section 10 and bottom cylinder fixing end 11
Concentricity≤φ 0.01mm.
Coning angle≤10 ° of the 2 middle part circular cone adjustment section 10 of positioning pin.
The axial length of the 2 top cylindrical positioning section 9 of positioning pin is 5~8mm.
Using the positioning pin method of adjustment of the large and medium-sized position degree measuring tool adjustable location pin device, including it is as follows
Step:
Step 1: processing corresponding transfer jack 6 on the workbench 5 of position degree measuring tool first, guarantees that switching is inserted
The position degree in hole 6≤φ 0.03mm；
Step 2: by the inserting of multi-tap 1 into transfer jack 6；
Step 3: the position degree of high accuracy three coordinate measuring machine detection 2 top cylindrical positioning section 9 of positioning pin is utilized；
Step 4: according to the position degree of the 2 top cylindrical positioning section 9 of positioning pin of actual measurement, select the block 3 that rises of corresponding orientation right
The position degree of 2 top cylindrical positioning section 9 of positioning pin is adjusted amendment, and it is perpendicular that the block 3 that rises is controlled especially by rotation tension bolt 4
Translation is dynamic, rises by block 3 by movement to squeeze 2 middle part circular cone adjustment section 10 of positioning pin, makes positioning pin 2 that Light deformation integrally occur, directly
Position degree to 2 top cylindrical positioning section 9 of positioning pin meets design requirement after high accuracy three coordinate measuring machine detects；
Step 5: being filled with epoxy resin into the positioning pin adjusting hole 8 of multi-tap 1, and until epoxy resin solidifies, rise block
3 and tension bolt 4 it is sufficiently fixed by epoxy resin.
As the long-time of position degree measuring tool uses, 2 top cylindrical positioning section 9 of positioning pin can gradually wear out and lead to position
Degree decline, only needs integrally to extract adjustable location pin device of the invention from the transfer jack 6 of workbench 5 at this time, and
Positioning pin method of adjustment according to the invention carries out device replacement.
The scope of patent protection that scheme in embodiment is not intended to limit the invention, it is all without departing from carried out by the present invention etc.
Effect implements or change, is both contained in the scope of the patents of this case.
Claims (9)
1. a kind of large and medium-sized position degree measuring tool adjustable location pin device, it is characterised in that: including multi-tap, positioning pin,
Rise block and tension bolt；Transfer jack is provided on the workbench of position degree measuring tool, the multi-tap is located at switching and inserts
In hole, and multi-tap and transfer jack are interference fitted；Second level rank is offered on the vertical direction inside the multi-tap
Terraced hole, bottom stepped hole are set as positioning pin fixation hole, and top step hole is set as positioning pin adjusting hole；The positioning pin includes top
Cylinder positioning section, middle part circular cone adjustment section and bottom cylinder fixing end, positioning pin are inserted by bottom cylinder fixing end interference
In the positioning pin fixation hole of multi-tap, the middle part circular cone adjustment section of positioning pin is located in the positioning pin adjusting hole of multi-tap,
The top cylindrical positioning section of positioning pin is located at top outside the positioning pin adjusting hole of multi-tap；It is described to rise number of blocks four, four
A block that rises is uniformly arranged in the middle part of positioning pin between circular cone adjustment section and multi-tap positioning pin adjusting hole, and between the adjacent block that rises
There are resigning gaps；The tension bolt that vertical direction is offered on the block that rises installs unthreaded hole, the screw rod of the tension bolt
Unthreaded hole is installed across tension bolt and is connected on multi-tap.
2. a kind of large and medium-sized position degree measuring tool adjustable location pin device according to claim 1, it is characterised in that:
Thrust spring is set on the screw rod to rise between block and multi-tap.
3. a kind of large and medium-sized position degree measuring tool adjustable location pin device according to claim 1, it is characterised in that: institute
The top sides edge for stating multi-tap is equipped with flange arrangement, between the flange arrangement of multi-tap and the workbench of position degree measuring tool
It is fixedly connected by several grub screws.
4. a kind of large and medium-sized position degree measuring tool adjustable location pin device according to claim 1, it is characterised in that: institute
Pressing amount when stating multi-tap and transfer jack interference fit is 0.005~0.01mm.
5. a kind of large and medium-sized position degree measuring tool adjustable location pin device according to claim 1, it is characterised in that: institute
State pressing amount when positioning pin bottom cylinder fixing end and multi-tap positioning pin fixation hole are interference fitted be 0.005~
0.01mm。
6. a kind of large and medium-sized position degree measuring tool adjustable location pin device according to claim 1, it is characterised in that: institute
State concentricity≤φ between top cylindrical positioning section, middle part circular cone adjustment section and the bottom cylinder fixing end of positioning pin
0.01mm。
7. a kind of large and medium-sized position degree measuring tool adjustable location pin device according to claim 1, it is characterised in that: institute
State coning angle≤10 ° of circular cone adjustment section in the middle part of positioning pin.
8. a kind of large and medium-sized position degree measuring tool adjustable location pin device according to claim 1, it is characterised in that: institute
The axial length for stating positioning pin top cylindrical positioning section is 5~8mm.
9. using the positioning pin method of adjustment of large and medium-sized position degree measuring tool adjustable location pin device described in claim 1,
It is characterized by comprising following steps:
Step 1: processing corresponding transfer jack on the workbench of position degree measuring tool first, guarantees the position of transfer jack
Degree of setting≤φ 0.03mm；
Step 2: by multi-tap inserting into transfer jack；
Step 3: the position degree of high accuracy three coordinate measuring machine detection positioning pin top cylindrical positioning section is utilized；
Step 4: according to the position degree of the positioning pin top cylindrical positioning section of actual measurement, select the block that rises of corresponding orientation to positioning pin
The position degree of top cylindrical positioning section is adjusted amendment, controls the block vertical shift that rises especially by rotation tension bolt, leads to
It crosses movement and rises by block to squeeze circular cone adjustment section in the middle part of positioning pin, make positioning pin that Light deformation integrally occur, the circle at the top of positioning pin
The position degree of column positioning section meets design requirement after high accuracy three coordinate measuring machine detects；
Step 5: being filled with epoxy resin into the positioning pin adjusting hole of multi-tap, and until epoxy resin solidifies, rise block and tensioner
Bolt is sufficiently fixed by epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711235071.XA CN108036688B (en) | 2017-11-30 | 2017-11-30 | A kind of large and medium-sized position degree measuring tool adjustable location pin device and method of adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711235071.XA CN108036688B (en) | 2017-11-30 | 2017-11-30 | A kind of large and medium-sized position degree measuring tool adjustable location pin device and method of adjustment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108036688A CN108036688A (en) | 2018-05-15 |
| CN108036688B true CN108036688B (en) | 2019-09-17 |
Family
ID=62094515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711235071.XA Active CN108036688B (en) | 2017-11-30 | 2017-11-30 | A kind of large and medium-sized position degree measuring tool adjustable location pin device and method of adjustment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108036688B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556485B (en) * | 2018-11-23 | 2020-07-31 | 中国航发沈阳黎明航空发动机有限责任公司 | Adjustable fixed inspection lining device for position degree measuring tool and using method thereof |
| CN112902791B (en) * | 2021-03-05 | 2023-01-31 | 湖北旭扬工贸有限公司 | Thin-wall precision positioning device for detection |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201086207Y (en) * | 2007-04-29 | 2008-07-16 | 江苏高精机电装备有限公司 | Self-cleaning tensioning setting pin |
| CN201744887U (en) * | 2010-06-18 | 2011-02-16 | 长春一汽天奇工艺装备工程有限公司 | High-precision stepped hole positioning and tensioning mechanism |
| JP2011158055A (en) * | 2010-02-03 | 2011-08-18 | Pascal Engineering Corp | Positioning pin |
| CN102537006A (en) * | 2012-02-27 | 2012-07-04 | 湖南山河科技股份有限公司 | Positioning connection pin |
| CN203374597U (en) * | 2013-05-31 | 2014-01-01 | 嘉善凯盛滑动轴承有限公司 | Positioning dowel with inner tensioner |
| CN104454869A (en) * | 2014-12-11 | 2015-03-25 | 湖北旭扬工贸有限公司 | Auto-clamp positioning pin for fixtures |
| CN204267472U (en) * | 2014-12-11 | 2015-04-15 | 湖北旭扬工贸有限公司 | A kind of fixture Automatic-clamping locating stud |
| CN104632823A (en) * | 2014-12-06 | 2015-05-20 | 苏州市诚品精密机械有限公司 | Positioning pin of optimized structure |
| CN105587725A (en) * | 2014-10-23 | 2016-05-18 | 崔立晶 | Positioning connecting pin |
| JP2016217523A (en) * | 2015-05-26 | 2016-12-22 | 株式会社オティックス | Fixing structure |
| CN107297527A (en) * | 2017-08-18 | 2017-10-27 | 辽东学院 | A kind of controlled pneumatic Combined drill fixture |
-
2017
- 2017-11-30 CN CN201711235071.XA patent/CN108036688B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201086207Y (en) * | 2007-04-29 | 2008-07-16 | 江苏高精机电装备有限公司 | Self-cleaning tensioning setting pin |
| JP2011158055A (en) * | 2010-02-03 | 2011-08-18 | Pascal Engineering Corp | Positioning pin |
| CN201744887U (en) * | 2010-06-18 | 2011-02-16 | 长春一汽天奇工艺装备工程有限公司 | High-precision stepped hole positioning and tensioning mechanism |
| CN102537006A (en) * | 2012-02-27 | 2012-07-04 | 湖南山河科技股份有限公司 | Positioning connection pin |
| CN203374597U (en) * | 2013-05-31 | 2014-01-01 | 嘉善凯盛滑动轴承有限公司 | Positioning dowel with inner tensioner |
| CN105587725A (en) * | 2014-10-23 | 2016-05-18 | 崔立晶 | Positioning connecting pin |
| CN104632823A (en) * | 2014-12-06 | 2015-05-20 | 苏州市诚品精密机械有限公司 | Positioning pin of optimized structure |
| CN104454869A (en) * | 2014-12-11 | 2015-03-25 | 湖北旭扬工贸有限公司 | Auto-clamp positioning pin for fixtures |
| CN204267472U (en) * | 2014-12-11 | 2015-04-15 | 湖北旭扬工贸有限公司 | A kind of fixture Automatic-clamping locating stud |
| JP2016217523A (en) * | 2015-05-26 | 2016-12-22 | 株式会社オティックス | Fixing structure |
| CN107297527A (en) * | 2017-08-18 | 2017-10-27 | 辽东学院 | A kind of controlled pneumatic Combined drill fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108036688A (en) | 2018-05-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108036688B (en) | A kind of large and medium-sized position degree measuring tool adjustable location pin device and method of adjustment | |
| CN100584499C (en) | Processing and fabricating method of bend type cavity with changeable section | |
| CN105171158A (en) | Technology for machining conical gas film holes of turbine guide blade | |
| CN103692245A (en) | Crane-type shaft box processing and positioning device | |
| CN106625234B (en) | A kind of more specifications, multipurpose cover parts precision grinding jig and its application method | |
| CN104476117A (en) | High-accuracy thin-wall bush machining method | |
| CN106392105A (en) | Taper fast adjusting type center structure | |
| CN103692244A (en) | Crane-type shaft box processing and positioning device | |
| CN104209860A (en) | Special flat floating fixture for precision honing machine | |
| CN106001687A (en) | Boring bar device for deep hole processing | |
| CN205674121U (en) | A kind of magnetic core fairlead boss press-fitting tool fixture | |
| CN204277596U (en) | A kind of spindle of numerical control lathe location structure | |
| CN204321643U (en) | A kind of drilling-hole positioning device of tablet press machine ring segment lower punch plate side opening | |
| CN205733120U (en) | A kind of boring bar device for deep hole machining | |
| CN114633126A (en) | Center frame device for machining aircraft landing gear and clamping method thereof | |
| CN209953549U (en) | Seamless steel tube straightening machine | |
| CN206366706U (en) | A kind of saw plate hole machined positioner | |
| CN207788929U (en) | A kind of scoring tool | |
| CN202763126U (en) | Machine tool feeding cutter locating device | |
| CN105903999A (en) | Machining device for cap nut fuse hole | |
| CN105772766A (en) | Multi-functional boring cutter | |
| CN206343663U (en) | Fine boring apparatus based on common boring bar | |
| CN206882860U (en) | A kind of strainer valve clamping fixture for drilling | |
| CN204603386U (en) | A kind of empennage journal stirrup drilling-hole positioning device | |
| CN205183989U (en) | Clamping positioner of spark -erosion machining carbide die die body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |