CN102548708B - Abrasive stone lapping tool, and lapping method implementing said lapping tool - Google Patents
Abrasive stone lapping tool, and lapping method implementing said lapping tool Download PDFInfo
- Publication number
- CN102548708B CN102548708B CN201080044749.6A CN201080044749A CN102548708B CN 102548708 B CN102548708 B CN 102548708B CN 201080044749 A CN201080044749 A CN 201080044749A CN 102548708 B CN102548708 B CN 102548708B
- Authority
- CN
- China
- Prior art keywords
- grinding
- push rod
- grinding stone
- grinding tool
- axial direction
- 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.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B33/00—Honing machines or devices; Accessories therefor
- B24B33/02—Honing machines or devices; Accessories therefor designed for working internal surfaces of revolution, e.g. of cylindrical or conical shapes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B33/00—Honing machines or devices; Accessories therefor
- B24B33/08—Honing tools
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention relates to a lapping tool, including an abrasive stone (1), at least one pusher (2) that is radially moveable so to radially move the abrasive stone (1) toward the outside, and a dagger (3), the movement of which in the axial direction of the lapping tool (X) causes the radial movement of pusher (2), the transformation of the axial movement of the dagger (3) into the radial movement of the pusher (2) resulting from the complementary conical shapes of the surfaces contacting the dagger (4, 5) and the pusher (2A, 2B). The pushing surface (2P) of pusher (2), which contacts the abrasive stone (1), forms a very small angle (alpha) with the axial direction (X) of the lapping tool and the angle (alpha) is such that the pushing surface (2P) of the pusher (2) has a slope of around 4% relative to the axial direction (X) of the lapping tool. The invention can be used for lapping tools having abrasive stone cylinders and in the field of lapping engine crankcases for vehicles.
Description
The priority of the french patent application 0955452 that application claims is submitted on August 3rd, 2009, it is incorporated by reference that its content (text, accompanying drawing and claim) is incorporated to this place.
Technical field
The present invention relates to the grinding tool with grinding stone of improvement.
Background technology
Grinding refers to last operation being carried out debris removal by mill.Grinding tool is the instrument for realizing grinding.Grinding tool is made up of at least one frotton, and described frotton is also referred to as grinding stone and is fixed on support.
The grinding stone of the grinding tool used in the grinding action of engine crankcase is often such as carbonization silica.This abrasive material very crisp.
The shortcoming with the grinding tool of grinding stone is that the service life of grinding stone is limited.Described grinding stone is constantly changed.
When changing the grinding stone on grinding machine, in the process that new grinding stone is shaping, first workpiece is difficult to carry out processing and not exceeding dimensional tolerance relatively.The situation of this harshness will last till that three or four period 1 of rear machine changed by grinding stone.
In addition, because in the process of cylinder grinding action, the diameter of such as bore hole becomes large, therefore when interior diameter becomes large and when the working surface of grinding stone is degraded in the process of mill, need to be provided with the device making grinding stone axially outwards advance in a continuous manner.
The grinding tool being provided with the device for making grinding stone advance exists in current technology.
Such as, workpiece finishing instrument is described in patent document FR1077559.This instrument comprises: main body, grinding stone, bracing or strutting arrangement and control device, described main body can rotate round axis and move according to the alternating movement along axis, described grinding stone is taked elongated form and is arranged in main body, tilt to have the working surface of the inclination that can come in contact with the inner surface of machine component relative to the axis of main body simultaneously, described bracing or strutting arrangement contacts with machine component for the working surface maintaining inclination, and described control device to be arranged in main body and to act on grinding stone to make described grinding stone advance to body exterior.Described grinding stone is assembled into and its working surface is projected to above main body lateral surface.
Usually, the grinding tool used at present comprises push rod, and described push rod is provided with the face promoting grinding stone, and described parallel with the working surface of grinding stone and moved by the driving of the parts being called " blade ".
Summary of the invention
Target of the present invention is the grinding tool with grinding stone proposing to improve, and which ensure that the size quality of workpiece to be machined in the whole process of mill, size quality mentioned here is included in the size quality of first workpiece of the aft-loaded airfoil changing grinding stone.
Another target of the present invention is the grinding tool proposing such improvement, and namely described grinding tool especially can use standard grinding stone thus have economy.
Finally, target of the present invention is to provide the grinding tool of such improvement equally, namely allows to eliminate operator's calibration machine in change grinding stone on the machine of grinding tool being equipped with prior art.
In order to realize above-mentioned target, theme of the present invention is a kind of grinding tool with grinding stone of improvement, it comprises: at least one grinding stone, push rod and blade, described push rod can make the outwards movement diametrically of described grinding stone along the radial direction activity of grinding tool, described blade causes push rod moving radially along grinding tool along the movement on the axial direction of described grinding tool, and it is realized by the complementary tapers shape of the contact surface of blade and push rod that blade motion in the axial direction converts push rod motion diametrically to.In the grinding tool that this is new, become very little angle with the promotion surface of the push rod of described abrasive stones contact with the axial direction of grinding tool.
Thus, when described grinding tool is used to such as cylinder block grinding, the lower area of the working surface of grinding stone can more outwards be promoted with in order to compensate in the first grinding cycle after grinding stone of changing in defect geometrically than the upper area of described working surface diametrically.
According to the preferred embodiment of grinding tool of the present invention, described very little angle makes the promotion of push rod surface have the slope being approximately 4% relative to the axial direction of grinding tool.
Suppose that described grinding stone has the axial length being approximately 90mm, then the described promotion surface of push rod tilts relative to the axial direction of grinding tool, and the distance that the lower area of the working surface of grinding stone can be pushed radially outwardly than the upper area of described working surface has more about 40 μ (micron).
Same according to preferred embodiment of the present invention, grinding stone is carborundum quality.
Accompanying drawing explanation
Other target of the present invention, advantage and feature will clearly by the following object to the present patent application and the nonrestrictive description related to the preferred embodiment of scope, referenced accompanying drawing wherein:
-Fig. 1 schematically illustrates the principle of the grinding tool with push rod, and
-Fig. 2 schematically illustrates the push rod of the grinding tool according to improvement of the present invention.
Detailed description of the invention
Shown in figure 1, there is shown the mould with grinding stone, it comprises: grinding stone 1, push rod 2 and blade 3, the quality of described grinding stone 1 is carborundum, described push rod 2 can radial movable (direction along arrow R in Fig. 1) and grinding stone 1 is radially outward moved, and blade 3 causes push rod 2 movement diametrically along the movement of the axial direction X of grinding tool.The motion that the motion of blade 3 (arrow A) in the axial direction converts push rod 2 (arrow R) diametrically to is that the complementary tapers shape contacted with two corresponding surperficial 2A and 2B of push rod 2 respectively by the surface 4 and 5 of two cones of blade 3 is obtained.
The surface parallel with the axis X of grinding tool with the promotion surface of the push rod 2 of abrasive stones contact.It allows described grinding stone 1 and the axis being parallel of grinding tool when promoting grinding stone 1, especially allow the working surface 1A of grinding stone 1 parallel with axis X.In other words, the lower area 1 of the working surface 1A of grinding stone 1
iNFwith upper area 1
sUPidentical distance is kept with the axis X of grinding stone.
When each replacing grinding stone, first processed workpiece (normally cylindrical surface) has defect geometrically.In order to remedy this defect, solution is that the lower part of grinding stone is more more protruding than upper part, thus makes to process more the lower part of cylindrical surface.
For this reason, according to principle of the present invention and with reference to shown in figure 2, the promotion surface 2P of the push rod 2 contacted with grinding stone 1 becomes very little angle " α " with the axial direction X of grinding tool, makes the lower area 1 of the working surface 1A of grinding stone 1
iNFcan than the upper area 1 of the working surface 1A of grinding stone 1
sUPmore outwards promoted diametrically, thus compensate and to change after grinding stone for the first grinding cycle in defect geometrically.
Described angle " α " makes the promotion of push rod 2 surface 2P have the slope being approximately 4% relative to the axial direction X of grinding tool.
Do not have in restrictive example to object of the present invention and scope, grinding stone 1 can have the axial length " L " being approximately 90mm, and the promotion of push rod 2 surface 2P can tilt relative to the axial direction X of grinding tool, makes the lower area 1 of grinding stone 1
iNFcan than the upper area 1 of grinding stone 1
sUPthe distance be pushed radially outwardly has more about 40 μ.
Promoting surperficial 2P according to the taper of push rod of the present invention can easily make it become taper from cylindrical and obtains by cylindrical push rod being carried out on the machine of rotary type processing.
Use this putter configurations, in the place with geometrical defect, namely make grinding stone and processed cylinder force to contact at processed cylindrical low portion, this is the conical by its shape realization of the push rod by making the low portion of grinding stone more stretch out.
According to the grinding tool of improvement of the present invention, there is several advantages, wherein:
-ensure that the almost T-stable of workpiece to be machined in the whole process of grinding, whole process mentioned here are included in first the 3rd or period 4 changing after grinding stone,
The grinding tool of-described improvement is economical, because described grinding tool allows use standard grinding stone and does not need operator's calibration machine when changing grinding stone on the machine with prior art grinding tool, and
-realize having taper grinding stone grinding tool or there is calibration ladder grinding tool (rodoir à é tages à r é glages) easily and economy is many.
Obviously, the present invention is not limited to the above-mentioned embodiment be given as examples; Those skilled in the art can design other embodiment when not exceeding framework of the present invention and entitlement requests scope.
Claims (4)
1. a grinding tool, it comprises: at least one grinding stone (1), push rod (2) and blade (3), described push rod (2) can be radial movable thus make described grinding stone (1) outwards movement diametrically, described blade (3) causes push rod (2) movement diametrically along the movement on the axial direction (X) of described grinding tool, it is contact surface (4 by blade that blade (3) motion in the axial direction converts push rod (2) motion diametrically to, 5) and the contact surface (2A of push rod, complementary tapers shape 2B) realizes, it is characterized in that, the promotion surface (2P) of the push rod (2) contacted with described grinding stone (1) becomes very little angle (α) with the axial direction (X) of grinding tool, described angle (α) makes the promotion surface (2P) of push rod (2) have to be approximately relative to the axial direction (X) of grinding tool the slope of 4%.
2. grinding tool according to claim 1, it is characterized in that, described grinding stone (1) has the axial length (L) being approximately 90mm, and described promotion surface (2P) of push rod (2) is tilted relative to the axial direction (X) of grinding tool, makes the lower area (1 of the working surface (1A) of grinding stone (1)
iNF) can than the upper area (1 of the described working surface (1A) of grinding stone (1)
sUP) distance that is pushed radially outwardly has more about 40 μ.
3. grinding tool according to any one of claim 1 to 2, is characterized in that, grinding stone (1) is carborundum quality.
4. the cylinder block of engine is carried out to a method for grinding, it is characterized in that, its operation realizes by the grinding tool according to any one of the claims, the lower area (1 of the working surface (1A) of grinding stone (1)
iNF) than the upper area (1 of described working surface (1A)
sUP) more outwards promoted diametrically, thus the first grinding cycle compensated after replacing grinding stone is in defect geometrically.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0955452 | 2009-08-03 | ||
| FR0955452A FR2948589B1 (en) | 2009-08-03 | 2009-08-03 | ABRASIVE STONE RODOR AND METHOD OF RUNNING USING THE RODOR |
| PCT/FR2010/051462 WO2011015745A1 (en) | 2009-08-03 | 2010-07-12 | Abrasive stone lapping tool, and lapping method implementing said lapping tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102548708A CN102548708A (en) | 2012-07-04 |
| CN102548708B true CN102548708B (en) | 2015-04-29 |
Family
ID=41819261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080044749.6A Expired - Fee Related CN102548708B (en) | 2009-08-03 | 2010-07-12 | Abrasive stone lapping tool, and lapping method implementing said lapping tool |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2461941A1 (en) |
| CN (1) | CN102548708B (en) |
| BR (1) | BR112012001281A2 (en) |
| FR (1) | FR2948589B1 (en) |
| WO (1) | WO2011015745A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103317428B (en) * | 2013-07-09 | 2016-04-20 | 上海大隆机器厂有限公司 | A kind of honing head combination unit |
| CN111015497A (en) * | 2019-12-26 | 2020-04-17 | 苏州信能精密机械有限公司 | Honing cutter for processing large aperture |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2694885A (en) * | 1952-04-22 | 1954-11-23 | Micromatic Honc Corp | Honing tool with stones disposed at an angle to the tool axis |
| US3641715A (en) * | 1970-07-13 | 1972-02-15 | Wedge Lock Honing Stone Co | Honing apparatus |
| FR2884889A1 (en) * | 2005-04-25 | 2006-10-27 | Peugeot Citroen Automobiles Sa | Thermal engine casing, has body having wall that includes top and bottom dead center zones, and grooves provided on part of wall of body, where two of grooves are formed on part of top dead center zone or bottom dead center zone |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR955452A (en) | 1950-01-14 |
-
2009
- 2009-08-03 FR FR0955452A patent/FR2948589B1/en active Active
-
2010
- 2010-07-12 BR BR112012001281A patent/BR112012001281A2/en not_active IP Right Cessation
- 2010-07-12 CN CN201080044749.6A patent/CN102548708B/en not_active Expired - Fee Related
- 2010-07-12 EP EP10751995A patent/EP2461941A1/en not_active Withdrawn
- 2010-07-12 WO PCT/FR2010/051462 patent/WO2011015745A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2694885A (en) * | 1952-04-22 | 1954-11-23 | Micromatic Honc Corp | Honing tool with stones disposed at an angle to the tool axis |
| US3641715A (en) * | 1970-07-13 | 1972-02-15 | Wedge Lock Honing Stone Co | Honing apparatus |
| FR2884889A1 (en) * | 2005-04-25 | 2006-10-27 | Peugeot Citroen Automobiles Sa | Thermal engine casing, has body having wall that includes top and bottom dead center zones, and grooves provided on part of wall of body, where two of grooves are formed on part of top dead center zone or bottom dead center zone |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102548708A (en) | 2012-07-04 |
| EP2461941A1 (en) | 2012-06-13 |
| FR2948589A1 (en) | 2011-02-04 |
| BR112012001281A2 (en) | 2019-09-24 |
| FR2948589B1 (en) | 2011-07-15 |
| WO2011015745A1 (en) | 2011-02-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102548708B (en) | Abrasive stone lapping tool, and lapping method implementing said lapping tool | |
| US8764521B2 (en) | Grind-stone-mount of honing head | |
| KR101981233B1 (en) | Combined machining tool and machining method using same | |
| CN101745869B (en) | Two-stage servo feed mechanism of honing machine | |
| KR102328427B1 (en) | Tail stock | |
| JP2007260829A (en) | Method of super-finishing bearing ring of roller bearing | |
| JP4894753B2 (en) | Super finishing whetstone and super finishing method using the same | |
| US20170190015A1 (en) | Honing method for the precision machining of bores | |
| JP2013113275A (en) | Cylinder block and method for machining the same | |
| CN110753600B (en) | Cutter head, method for machining inner surface of cylinder and application of cutter head | |
| JP2007260830A (en) | Device for super-finishing bearing ring of roller bearing | |
| JP4718168B2 (en) | Small diameter honing tool | |
| JP5289135B2 (en) | Internal grinding tool | |
| JP4108669B2 (en) | Contact correcting device and contact correcting method | |
| KR0151754B1 (en) | Method and device for horning | |
| CN110281140A (en) | A kind of high-precision floating honing head | |
| JP6421567B2 (en) | Grinding wheel head and super finishing method of raceway surface | |
| US2786312A (en) | Work forming apparatus | |
| JP2011125952A (en) | Honing method | |
| JP2013046946A (en) | Honing method | |
| JPH02269573A (en) | Honing stick | |
| CN111448022B (en) | lathe | |
| JP2008142853A (en) | Superfinishing method and superfinisher | |
| JP6686866B2 (en) | Honing equipment | |
| JP2009095973A (en) | Grinding wheel molding device and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20170712 |