CN106891173B - A kind of eccentric fixture and the method using eccentric fixture production eccentric shaft - Google Patents
A kind of eccentric fixture and the method using eccentric fixture production eccentric shaft Download PDFInfo
- Publication number
- CN106891173B CN106891173B CN201510949109.4A CN201510949109A CN106891173B CN 106891173 B CN106891173 B CN 106891173B CN 201510949109 A CN201510949109 A CN 201510949109A CN 106891173 B CN106891173 B CN 106891173B
- Authority
- CN
- China
- Prior art keywords
- eccentric
- chuck body
- eccentric shaft
- neck bush
- outer circle
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- 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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
- F16C3/18—Eccentric-shafts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention discloses a kind of eccentric fixtures, eccentric fixture includes chuck body, clamping ring, chuck body is cylindrical shape, its left end is equipped with center hole and steel ball, chuck body left side is equipped with " well " shape groove, chuck body left side is divided into a central block and four pieces of eccentric jacking blocks by " well " shape groove, central block is located at the center of chuck body left side, four pieces of eccentric jacking blocks are radially provided with screw hole along chuck body respectively, eccentric screw is installed in screw hole, " well " shape channel bottom is equipped with the arc groove towards eccentric block；The neck bush of chuck body right side upper round tube shape, interior circular hole and chuck body are coaxial, and neck bush is equipped with clamping slot, and clamping ring is set in the cylindrical wall of neck bush.The eccentric fixture structure is simple, makes and easy to use, and part eccentricity error is small, and consistency precision is good, high production efficiency, the part for being suitble to processing eccentricity small.
Description
Technical field
The invention belongs to field of fixtures, and in particular to a kind of high-precision eccentric fixture.
Background technique
Process bias on axis and generally use two methods: one is be ground using cam grainder.This method need to borrow
Help special purpose machine tool, not only cost input is higher, and the eccentricity error processed is big, and machining accuracy is poor.Another kind is straight
It connects and processes eccentric centre bore on axis, be then ground in cylindrical grinder.This method needs work pieces process bias centre bore one by one,
Production efficiency is lower, and eccentricity consistency is more than 0.02mm, though machining accuracy slightly above first method, but still it is unable to satisfy height
The process requirements of precision bias, and be not suitable for the part of machining high-precision eccentric shaft.
Currently, most of manufacturers are processed using dislocation dovetail slide block, by with the dovetail slide blocks of two secondary dislocation come
Micro- eccentricity is adjusted, dovetail slide block guide rail is difficult to carry out to the machining of the centre bore of sliding block symmetrical precision, and error is too big, is more than
The eccentricity that eccentric shaft requires is 0.001mm, 0.003mm etc., even if if sliding dovetail slide block is adjustable eccentricity
, but the eccentricity for having adjusted destruction when by screw locking, it is unable to satisfy the eccentric process requirements of high-precision, sliding block
The symmetry of dovetail groove and centre bore requires the required precision for being unable to satisfy eccentricity and eccentricity.
Summary of the invention
It is an object of that present invention to provide a kind of high-precision eccentric fixtures, are not able to satisfy eccentricity to solve the prior art.
To achieve the above object, the embodiment of the invention provides a kind of eccentric fixture, it is used to clamp eccentric shaft both ends, and
The eccentric shaft is mounted between the head frame of lathe and tailstock, the eccentric fixture includes chuck body, clamping ring, the folder
Tool ontology is cylindrical shape, and left end is equipped with center hole and steel ball, and the center hole and the chuck body are coaxial, the folder
Have ontology left side and be equipped with " well " shape groove, the chuck body left side is divided into a center by " well " the shape groove
Block and four pieces of eccentric jacking blocks, the central block are located at the center of the chuck body left side, four pieces of eccentric jacking blocks
It is evenly distributed on the central block surrounding, four pieces of eccentric jacking blocks are radially provided with screw hole along the chuck body respectively, institute
It states screw hole and is installed with eccentric screw in the eccentric jacking block, the screw hole, " well " the shape channel bottom is equipped with
Towards the arc groove of the central block, the central block and chuck body left end junction is made to form a flexible deformation portion；
The chuck body right end outer circle is equipped with the neck bush of datum plane and circular tube shaped, and the interior circular hole and ontology of the neck bush are left
Hold centre bore coaxial, the neck bush is equipped with clamping slot along its axis, and the clamping slot extends radially through the outer circle of the neck bush
Wall；The clamping ring is set in the outer circle of the neck bush.
Further, the chuck body is made of 65Mn.
Further, the clamping ring is made of 45 steel.
A kind of process of eccentric fixture production high-precision eccentric shaft, comprising the following steps:
Step 1: rough turn eccentric shaft；
Step 2: eccentric shaft heat treatment, grinding center hole；
Step 3: fine grinding eccentric shaft both ends outer circle, cylindricity≤0.00015mm after the peripheral milling of both ends, after the peripheral milling of both ends
Concentricity≤0.0002mm；
Step 4: using the eccentric shaft both ends outer circle after step 3 is ground as the measuring basis of eccentricity, by the fine grinding
Eccentric shaft both ends outer circle is respectively sleeved in the neck bush inner hole of the chuck body, by mounted two chuck bodies
It is placed on measurement plate, the datum plane in two chuck bodies of eccentric shaft left and right ends is smoothed, smooth
Afterwards, the clamping ring is fastened, keeps chuck body orientation described in both ends consistent；
Step 5: the eccentric shaft that both ends have put on the chuck body withstands on to headstock for cylindrical grinding machine is top and tailstock center
Between, by the grating measuring crown in eccentric shaft benchmark outer circle, the eccentric screw is rotated, generates the deformation of flexible deformation portion
Displacement, is measured by grating measuring head, concentricity≤0.00015mm of the adjustment eccentric shaft both ends outer circle to center；
Step 6: rotating the eccentric screw, adjusts eccentricity, and the eccentricity error after adjusting eccentricity≤
0.00015mm finally carries out the fine grinding of eccentric excircle among eccentric shaft.
The medicine have the advantages that using this novel elastic eccentric clamp and method for grinding of the invention, by
Eccentric shaft both ends are arranged the eccentric fixture of the utility model, and eccentric fixture one end end face forms four pieces of tuningouts by the groove of " well " shape
Heart jacking block and one piece of central block, central block center are equipped with the center hole coaxial with chuck body, and eccentric jacking block is along chuck body
It is arranged radially the screw hole through eccentric jacking block, screw hole inward turning sets eccentric screw, and " well " shape channel bottom is equipped in
The arc groove of heart block makes central block and chuck body junction form flexible deformation portion, eccentric fixture the other end face be equipped with
Chuck body coaxial circular tube shaped neck bush and datum plane, neck bush are equipped with clamping slot, and neck bush outer circle is arranged clamping ring,
Circular hole is set in one end outer circle of eccentric shaft in neck bush；Measurement is placed on by the eccentric shaft that both ends are packaged eccentric fixture
On plate, datum plane is smoothed, keeps the two chuck body directions consistent, clamping ring is fastened, passes through the rotary offset heart
Screw makes the deformation of flexible deformation portion generate displacement, is measured by grating measuring head, adjusts eccentric shaft both ends outer circle to the same of center
Axis degree.Then in adjustment eccentric shaft amount requirement, the grinding of intermediate outer circle is carried out.The eccentric fixture structure is simple, production and
Easy to use, part eccentricity error is small, consistency precision is good, high production efficiency, and effective solution in the prior art cannot
Meet the production predicament of High-precision standard eccentric rod.
Detailed description of the invention
Fig. 1 is a kind of eccentric fixture front view provided in an embodiment of the present invention；
Fig. 2 is a kind of eccentric fixture sectional front view provided in an embodiment of the present invention；
Fig. 3 is a kind of eccentric fixture left view provided in an embodiment of the present invention；
Fig. 4 is a kind of eccentric fixture right view provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram of eccentric fixture install eccentric shafts provided in an embodiment of the present invention；
In figure, 1- chuck body, 2- " well " word groove, 21- arc groove, 22- flexible deformation portion, 3- eccentric jacking block, 31-
Screw hole, 32- eccentric screw, 4- central block, 41- center hole, 5- neck bush, 51- clamping slot, circular hole in 52- neck bush, 6- base
Directrix plane, 7- clamping ring, 8- eccentric shaft, 9- grating measuring head, 10- framves are top, 11- tailstock center, 12- steel ball.
Specific embodiment
In order to make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment and join
According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright range.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid this is unnecessarily obscured
The concept of invention.
Embodiment
As shown in figure 1, figure 2, figure 3, figure 4 and figure 5, it the embodiment of the invention provides a kind of eccentric fixture, is used to clamp partially
32 both ends of mandrel, and eccentric shaft 32 is mounted between the head frame of lathe and tailstock, which includes chuck body 1, folder
Collar 7, it is preferred that 1 circle of position bar shape of chuck body, left side offer center hole 41, a left side for chuck body 1 along central axis
Passing through one " well on end face " left side is divided into a central block 4 to shape groove 2 and four pieces of eccentric jacking blocks 3, central block 4 are located at
Among 1 left side of chuck body, eccentric jacking block 3 is centrally located the surrounding of block 4, and center hole 41 is located at the center of central block 4,
Its hole central axis and 4 central axis of central block are radially provided with through tuningout on each eccentric jacking block 3 respectively along chuck body 1
The screw hole 31 of heart jacking block 3 is installed with eccentric screw 32 in each screw hole 31；2 bottom of " well " shape groove is equipped with towards central block 4
Arc groove 21, so that central block 4 and 1 left end junction of chuck body be made to form a flexible deformation portion 22；1 right end of chuck body
Face is equipped with the neck bush 5 of datum plane 6 and circular tube shaped, and datum plane 6 is arranged on the periphery of chuck body 1, is used for
The eccentric direction of both ends fixture is controlled, the interior circular hole 52 and chuck body 1 of neck bush 5 are coaxial, and neck bush 5 is provided with along its axis and passes through
Wear the clamping slot 51 of 5 jacket wall of neck bush, it is preferred that clamping slot 51 is two, is symmetrically arranged in the circumferential wall of neck bush 5,
Clamping ring 7 is set on the outer circle wall of neck bush 5.
The production method for producing high-precision eccentric shaft by the eccentric fixture is as follows:
The following steps are included:
Step 1, rough turn eccentric shaft 8 out；
Step 2, eccentric shaft 8 are heat-treated, grinding center hole；
Step 3 refines 8 both ends outer circle of eccentric shaft, makes cylindricity≤0.00015mm after the peripheral milling of both ends, both ends peripheral milling
Concentricity≤0.0002mm afterwards；
Step 4, using the 8 both ends outer circle of eccentric shaft after step 3 is ground as the measuring basis of eccentricity, after fine grinding
8 both ends outer circle of eccentric shaft is respectively sleeved in the neck bush of chuck body 1 in circular hole 51, by mounted two chuck bodies 1
It is placed on measurement plate, the datum plane 6 of two chuck bodies 1 of 8 left and right ends of eccentric shaft is smoothed, through smoothing
Afterwards, clamping ring 7 is fastened, the relative position of locking eccentric 8 and chuck body 1, keeps the orientation one of the chuck body 1 at both ends
It causes；
The eccentric shaft 8 that both ends have put on chuck body 1 is withstood on headstock for cylindrical grinding machine top 10 and tailstock center by step 5
Between 11, head frame is top 10, is respectively headed on by a steel ball 12 between tailstock center 11 and the center hole 21 of chuck body 1；By light
Grid measuring head 9 is withstood in the benchmark outer circle of eccentric shaft 8, rotary offset heart screw 32, so that the deformation of flexible deformation portion is generated displacement, is led to
Cross the measurement of grating measuring head 9, concentricity≤0.00015mm of the adjustment eccentric shaft both ends outer circle to center；
Step 6 after the requirement for reaching step 5, continues rotary offset heart screw 32, adjusts eccentricity, adjust bias
Eccentricity error≤0.00015mm after amount realizes adjustment and the primary completion of locking, finally carries out eccentric among eccentric shaft 8
The fine grinding of outer circle.
It should be understood that above-mentioned specific embodiment of the invention is used only for exemplary illustration or explains of the invention
Principle, but not to limit the present invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.In addition, appended claims purport of the present invention
Covering the whole variations fallen into attached claim scope and boundary or this range and the equivalent form on boundary and is repairing
Change example.
Claims (4)
1. a kind of eccentric fixture is used to clamp eccentric shaft both ends, and the eccentric shaft is mounted on to the head frame and tailstock of lathe
Between, which is characterized in that the eccentric fixture includes chuck body, clamping ring, and the chuck body is cylindrical shape, left end
It is equipped with center hole and steel ball, the center hole and the chuck body are coaxial, and the chuck body left side is equipped with " well "
The chuck body left side is divided into a central block and four pieces of eccentric jacking blocks, institute by shape groove, " well " the shape groove
The center that central block is located at the chuck body left side is stated, four pieces of eccentric jacking blocks are evenly distributed on the central block four
Week, four pieces of eccentric jacking blocks are radially provided with screw hole along the chuck body respectively, and the screw hole runs through the eccentric top
Block is installed with eccentric screw in the screw hole, and " well " the shape channel bottom is equipped with the arc groove towards the central block,
The central block and chuck body left end junction is set to form a flexible deformation portion；It is set in the chuck body right end outer circle
There is the neck bush of datum plane and circular tube shaped, the interior circular hole and ontology left end centre bore of the neck bush are coaxial, the neck bush
It is equipped with clamping slot along its axis, the clamping slot extends radially through the cylindrical wall of the neck bush；The clamping ring is set in described
In the outer circle of neck bush.
2. a kind of eccentric fixture according to claim 1, which is characterized in that the chuck body is made of 65Mn.
3. a kind of eccentric fixture according to claim 1, which is characterized in that the clamping ring is made of 45 steel.
4. a kind of process of eccentric fixture production high-precision eccentric shaft according to claim 1, which is characterized in that packet
Include following steps:
Step 1: rough turn eccentric shaft；
Step 2: eccentric shaft heat treatment, grinding center hole；
Step 3: fine grinding eccentric shaft both ends outer circle, cylindricity≤0.00015mm after the peripheral milling of both ends are coaxial after the peripheral milling of both ends
Degree≤0.0002mm；
Step 4: using the eccentric shaft both ends outer circle after step 3 is ground as the measuring basis of eccentricity, the fine grinding is eccentric
Axis both ends outer circle is respectively sleeved in the neck bush inner hole of the chuck body, and mounted two chuck bodies are placed
On measurement plate, the datum plane in two chuck bodies of eccentric shaft left and right ends is smoothed, it, will after smoothing
The clamping ring fastening, keeps chuck body orientation described in both ends consistent；
Step 5: by the eccentric shaft that both ends have put on the chuck body withstand on headstock for cylindrical grinding machine it is top with tailstock center it
Between, by the grating measuring crown in eccentric shaft benchmark outer circle, the eccentric screw is rotated, the deformation of flexible deformation portion is made to generate position
It moves, is measured by grating measuring head, concentricity≤0.00015mm of the adjustment eccentric shaft both ends outer circle to center；
Step 6: rotating the eccentric screw, adjusts eccentricity, and the eccentricity error after adjusting eccentricity≤
0.00015mm finally carries out the fine grinding of eccentric excircle among eccentric shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510949109.4A CN106891173B (en) | 2015-12-18 | 2015-12-18 | A kind of eccentric fixture and the method using eccentric fixture production eccentric shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510949109.4A CN106891173B (en) | 2015-12-18 | 2015-12-18 | A kind of eccentric fixture and the method using eccentric fixture production eccentric shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106891173A CN106891173A (en) | 2017-06-27 |
| CN106891173B true CN106891173B (en) | 2019-07-23 |
Family
ID=59188802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510949109.4A Active CN106891173B (en) | 2015-12-18 | 2015-12-18 | A kind of eccentric fixture and the method using eccentric fixture production eccentric shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106891173B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378825B (en) * | 2017-09-04 | 2024-01-30 | 南京康尼精密机械有限公司 | Clamp for eliminating eccentric moment |
| CN109900545B (en) * | 2019-02-28 | 2021-09-21 | 深圳市德瑞茵精密科技有限公司 | Crochet hook concentricity adjusting mechanism |
| CN110774072B (en) * | 2019-10-16 | 2021-05-18 | 衡水华锘光电科技有限公司 | Grind anchor clamps and straight tube inner wall arc grinds machine |
| CN111037321A (en) * | 2019-12-26 | 2020-04-21 | 陕西宝成航空仪表有限责任公司 | Eccentric shaft machining clamp device and using method thereof |
| CN114129227B (en) * | 2022-02-08 | 2022-05-10 | 广州博鑫医疗技术有限公司 | Manufacturing tool and manufacturing method of eccentric rotary grinding head and intrusive rotary grinding device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1667988A1 (en) * | 1989-06-14 | 1991-08-07 | Ярославский Филиал Центрального Проектно-Конструкторского И Технологического Бюро "Росагропромремтехпроект" | Die for punching holes in hollow parts |
| CN203304945U (en) * | 2013-06-12 | 2013-11-27 | 嘉兴市宏丰机械有限公司 | Clamp for machining eccentric shaft of crankshaft |
| CN203650245U (en) * | 2013-12-23 | 2014-06-18 | 西安西光机械制造有限公司 | Eccentric shaft outer circle machining tool |
| CN203696540U (en) * | 2013-12-10 | 2014-07-09 | 贵州黎阳航空动力有限公司 | Eccentric outer circle machining device for mandrel rod |
| CN203972897U (en) * | 2014-08-20 | 2014-12-03 | 广州井和精密机械加工有限公司 | The frock clamp that a kind of machining crankshafts eccentric shaft is used |
| CN204486831U (en) * | 2014-12-25 | 2015-07-22 | 重庆定足机械制造有限公司 | The eccentric collet of car |
-
2015
- 2015-12-18 CN CN201510949109.4A patent/CN106891173B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1667988A1 (en) * | 1989-06-14 | 1991-08-07 | Ярославский Филиал Центрального Проектно-Конструкторского И Технологического Бюро "Росагропромремтехпроект" | Die for punching holes in hollow parts |
| CN203304945U (en) * | 2013-06-12 | 2013-11-27 | 嘉兴市宏丰机械有限公司 | Clamp for machining eccentric shaft of crankshaft |
| CN203696540U (en) * | 2013-12-10 | 2014-07-09 | 贵州黎阳航空动力有限公司 | Eccentric outer circle machining device for mandrel rod |
| CN203650245U (en) * | 2013-12-23 | 2014-06-18 | 西安西光机械制造有限公司 | Eccentric shaft outer circle machining tool |
| CN203972897U (en) * | 2014-08-20 | 2014-12-03 | 广州井和精密机械加工有限公司 | The frock clamp that a kind of machining crankshafts eccentric shaft is used |
| CN204486831U (en) * | 2014-12-25 | 2015-07-22 | 重庆定足机械制造有限公司 | The eccentric collet of car |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106891173A (en) | 2017-06-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106891173B (en) | A kind of eccentric fixture and the method using eccentric fixture production eccentric shaft | |
| CN105904160B (en) | A kind of Impeller Machining method | |
| CN104440328B (en) | A kind of lathe and its fixture of processing cambered plate | |
| CN208451371U (en) | A kind of adjustable clamp | |
| CN203738062U (en) | Eccentric bushing machining device with included angle between hole axis and external circle axis | |
| CN205342586U (en) | Fine special fixture that mills of high speed of small -size accurate work piece | |
| CN103624569A (en) | Machining clamp for split combined core mold and machining method thereof | |
| CN104400629A (en) | Bevel gear cylindrical grinding clamp | |
| CN103331579A (en) | Method for manufacturing and debugging inner frame assembly with shafts at two ends | |
| CN101693341B (en) | Special clamp for grinding internal thread of ball screw nut | |
| CN202934251U (en) | Rotary positioning jig for laser welding | |
| CN201970109U (en) | Novel fixture for machine tool | |
| CN208146951U (en) | A kind of symmetrical bikini expanding arbor fixture | |
| CN205702478U (en) | A kind of Fine Slender Shaft auxiliary device for processing of band V-type annular groove | |
| CN110369971A (en) | A kind of mill bar processing technology of the grinding machine with external screw thread taper shank | |
| CN207127562U (en) | Cube shaped part connects mouth finishing fixture | |
| CN206536343U (en) | Adjustable honing head | |
| CN104858469B (en) | The hole axle heart has the eccentric bushing processing unit (plant) of angle with cylindrical axle center | |
| CN115255843A (en) | Machining method of high-precision large rectangular spline shaft | |
| CN204160203U (en) | The two eccentric fixture of high accuracy | |
| CN210255297U (en) | Pull rod structure for numerical control lathe | |
| CN204053147U (en) | Machine tool center device and use the lathe of this Finial device | |
| CN203578787U (en) | Self-centering flange frame for rear tailstock | |
| CN207915135U (en) | A kind of main shaft housing outer diameter superfine milling special tooling | |
| CN107790743B (en) | It is a kind of for processing the positioning anti-sinking device and its processing method of automobile brake drum |
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 |