CN112847168A - Manufacturing method for increasing bonding strength of ultra-thin ceramic bond grinding rotor groove CBN grinding wheel - Google Patents
Manufacturing method for increasing bonding strength of ultra-thin ceramic bond grinding rotor groove CBN grinding wheel Download PDFInfo
- Publication number
- CN112847168A CN112847168A CN202110119505.XA CN202110119505A CN112847168A CN 112847168 A CN112847168 A CN 112847168A CN 202110119505 A CN202110119505 A CN 202110119505A CN 112847168 A CN112847168 A CN 112847168A
- Authority
- CN
- China
- Prior art keywords
- grinding wheel
- cbn
- cbn grinding
- grinding
- base body
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/0009—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using moulds or presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/0072—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using adhesives for bonding abrasive particles or grinding elements to a support, e.g. by gluing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
- B24D5/06—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor with inserted abrasive blocks, e.g. segmental
- B24D5/08—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor with inserted abrasive blocks, e.g. segmental with reinforcing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
- B24D5/16—Bushings; Mountings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention belongs to the technical field of manufacturing of superhard grinding tools, and particularly discloses a manufacturing method for increasing bonding strength of an ultrathin ceramic bond grinding rotor groove CBN grinding wheel, which comprises a grinding wheel, wherein the grinding wheel comprises a base body and a CBN grinding block arranged on the outer circular surface of the base body, and the grinding wheel is manufactured according to the following steps: manufacturing a base body, manufacturing a CBN grinding block, finishing for the first time, bonding, drying and finishing for the second time to finish processing, inspecting and warehousing; the device adopts the groove of the base body and the CBN grinding block to be spliced in an inserting manner, the bonding strength is enhanced, the integral rigidity of the CBN grinding wheel is increased, the integral structure of the CBN grinding wheel is more reasonable, the integral impact resistance and the load performance of the grinding rotor groove CBN grinding wheel are greatly improved, the problems that the ultra-thin ceramic bond grinding rotor groove CBN grinding wheel cracks, becomes loose and falls blocks in actual production can be fundamentally solved, the grinding precision and the consistency of the grinding rotor groove CBN grinding wheel are ensured, and the device has great practical value.
Description
Technical Field
The invention relates to the technical field of manufacturing of superhard grinding tools, in particular to a manufacturing method for increasing bonding strength of a rotor groove CBN grinding wheel of an ultrathin ceramic bond grinding.
Background
The ceramic bond grinding rotor groove CBN grinding wheel is the CBN grinding wheel manufactured by the super-hard abrasive materials at the earliest in China, is successfully applied to the field of automobiles, realizes a typical case of high-speed, high-efficiency and high-precision grinding of core workpieces of an automobile steering pump, replaces the grinding of a traditional common resin sheet grinding wheel, achieves the qualitative leap from low-efficiency manual matching of blades and rotors in the hydraulic part industry (a vane pump) to batch assembly, and improves the production efficiency and the workpiece precision by dozens to hundreds of times. As the ceramic bond grinding rotor groove grinding wheel mainly grinds quenching materials such as alloy steel, bearing steel and the like, the notch of the rotor, which is the core component of the vane pump, is narrow and deep, the grinding area is large, the cooling effect is poor, and the CBN grinding wheel is used for high-speed grinding. In order to realize batch assembly and embody the value of superhard materials, the requirements of customers on geometric accuracy, surface quality and the like of the rotor grooves after grinding are very high, 10-12 grooves of one rotor and 4-5 ten thousand grooves of one CBN grinding wheel are ground, and the grinding accuracy retentivity of the rotor grooves is good. In high-speed grinding (impact and vibration), the CBN grinding wheel is easy to have the phenomena of cracking, cracking and chipping, so that higher requirements are provided for the bonding strength of the grinding block of the ultra-thin (1-4mm in thickness) grinding rotor groove CBN grinding wheel. The existing patents of ceramic bond rotor groove CBN grinding wheel only focus on the research of the grinding quantity of the whole workpiece of the CBN grinding wheel, and no specific solution is provided aiming at the problems that the bonding area of a steel matrix and a CBN grinding block is small, the CBN grinding block is hard and brittle and the like in the actual production and the bonding strength is influenced.
At present, a CBN grinding wheel for grinding a rotor groove by using a ceramic bond consists of a steel matrix and a ceramic bond CBN grinding block, wherein the CBN grinding block is bonded on the circumference of the outer diameter of the matrix by using an adhesive, and is trimmed by using special equipment to obtain the CBN grinding wheel with different outer diameters and different thicknesses. Most manufacturers of the existing ultrathin (1-4mm) rotor groove grinding CBN grinding wheels adopt a method of knurling and pricking a thin groove on the outer diameter of the grinding wheel matrix with the thickness of 1-4mm in order to increase the bonding strength of the CBN grinding block, and then the corresponding CBN grinding block is adhered and bonded on the circumference of the outer diameter of the matrix. The method has the defects that the bonding area of the front end of the grinding wheel base body with the thickness of 1-4mm is very small, the CBN grinding block belongs to ceramic materials and is crisp and hard, the phenomena of poor bonding, loosening of the grinding block, cracking and block falling are easy to occur in the high-degree grinding (impact and vibration) of the CBN grinding wheel, and certain influences are caused on safety production, workpiece precision, grinding wheel durability, yield and the like.
Based on this, how to improve the bonding strength between the CBN grinding wheel and the matrix is a technical problem that needs to be solved by the technical personnel in the field at present.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide the manufacturing method for increasing the bonding strength of the ultrathin ceramic bond grinding rotor groove CBN grinding wheel, which can improve the bonding strength between a base body and a CBN grinding block, has more reasonable integral structure, greatly improves the integral shock resistance and load performance of the CBN grinding wheel, has longer service life and wide application value.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the manufacturing method for increasing the bonding strength of the ultra-thin CBN grinding wheel for grinding the rotor groove by using the ceramic bond comprises a grinding wheel, wherein the grinding wheel comprises a base body and a CBN grinding block arranged on the outer circular surface of the base body, and the grinding wheel is manufactured according to the following steps:
step 2, manufacturing a CBN grinding block, uniformly mixing a ceramic bonding agent, a CBN grinding material and a wetting agent, then placing the mixture into a special die for compression molding and sintering to obtain the CBN grinding block, wherein the inner side of the connection between the CBN grinding block and the base body is an arc shape attached to the outer circular surface of the base body, and the inner side of the CBN grinding block is provided with a bulge inserted into the groove;
and 6, secondary dressing, namely placing the solidified grinding wheel in special dressing equipment, roughly dressing two end faces and the outer diameter of the grinding wheel, inspecting and warehousing.
Further, the thickness of the two sides of the groove is equal.
Further, step 4, the CBN abrasive blocks and the matrix are kept at 50 ℃ for 2h to finish preheating.
Furthermore, the thickness of the outer circular surface of the base body is 1-4mm, and the thickness of the working layer of the CBN grinding block is 1-5 mm.
Further, the protrusion is located on the inner side of the CBN grinding block, and the length of the protrusion is not larger than that of the inner side of the CBN grinding block.
Further, the width of the protrusion is smaller than that of the CBN grinding block.
Further, the mould is a combined fan-shaped mould, so that the pressed CBN grinding block blank is provided with a working layer and a bulge matched with the groove of the base body.
Further, the adhesive is an epoxy series.
Compared with the prior art, the manufacturing method for increasing the bonding strength of the ultrathin ceramic bond grinding rotor groove CBN grinding wheel provided by the invention has a unique structure, the base body groove and the CBN grinding block are used for inserting type bonding, the bonding strength is enhanced, the integral rigidity of the CBN grinding wheel is increased, the integral structure of the CBN grinding wheel is more reasonable, the integral shock resistance and load performance of the grinding rotor groove CBN grinding wheel are greatly improved, the problems of cracking, loosening and falling of the ultrathin ceramic bond grinding rotor groove CBN grinding wheel in actual production can be fundamentally solved, the grinding precision and consistency of the grinding rotor groove CBN grinding wheel are ensured, and the manufacturing method has a great practical value.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an ultrathin ceramic bond grinding rotor groove CBN grinding wheel.
FIG. 2 is a schematic structural diagram of a CBN abrasive block.
Figure 3 is a cross-sectional view a-a of the CBN grinding block.
In the figure: the grinding block comprises a CBN grinding block body 1, a base body 2, a groove 3, a bulge 4 and an outer circular surface 5.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 3, a method for designing an ultra-thin vitrified bond grinding rotor groove CBN grinding wheel to increase bonding strength according to a preferred embodiment of the present invention includes a grinding wheel including a base body 2 and CBN grinding blocks 1 disposed on an outer circumferential surface 5 of the base body 2, the grinding wheel being manufactured according to the following steps:
step 2, manufacturing a CBN grinding block 1, uniformly mixing a ceramic bonding agent, a CBN grinding material and a wetting agent, then placing the mixture into a special die for compression molding and sintering to obtain the CBN grinding block 1, wherein the inner side of the connection between the CBN grinding block 1 and the base body 2 is an arc shape attached to the outer circular surface 5 of the base body 2, and the inner side of the CBN grinding block 1 is provided with a protrusion 4 inserted into the groove 3; and it should be noted that, the specific shapes of the groove 3 and the protrusion 4 are not particularly limited;
and 6, secondary dressing, namely placing the solidified grinding wheel in special dressing equipment, roughly dressing two end faces and the outer diameter of the grinding wheel according to the factory standard of a customer, and inspecting and warehousing for later use.
When the manufacturing method for increasing the bonding strength of the ultra-thin ceramic bond grinding rotor groove CBN grinding wheel is applied, the groove 3 of the base body 2 and the CBN grinding block 1 are used for inserting type bonding, the bonding strength is enhanced, the integral rigidity of the CBN grinding wheel is also increased, the integral structure of the CBN grinding wheel is more reasonable, the integral impact resistance and the load performance of the grinding rotor groove CBN grinding wheel are greatly improved, the problems of cracking, loosening and block falling of the ultra-thin ceramic bond grinding rotor groove CBN grinding wheel in actual production can be fundamentally solved, the grinding precision and consistency of the grinding rotor groove CBN grinding wheel are ensured, and the manufacturing method has great practical value.
It should be noted that, in actual production, most enterprises for manufacturing ceramic bond grinding rotor groove CBN grinding wheels only pay attention to the number of grinding workpieces of each CBN grinding wheel, and research and improvement on the CBN grinding block 1 are more, and neglecting the bonding of the base body 2 and the CBN grinding block 1 is the weakest link of the whole CBN grinding wheel, and the CBN grinding wheel has the problems of cracking, loosening, block falling and the like in high-speed grinding, and is also a key link for causing unstable grinding, poor precision of workpieces and small number.
On the basis of the embodiment, in actual production, the thicknesses of the two sides of the concave part and the concave part 3 are equal, so that the strength of the side walls of the two sides of the concave part 3 is consistent, the service life is ensured, and the side walls of the concave part 3 are prevented from cracking.
On the basis of the above-described embodiment, more specifically, step 4, the preheating was completed by keeping the CBN grinding block and the substrate at 50 ℃ for 2 hours.
On the basis of the above embodiment, the thickness of the outer circumferential surface of the base body 2 can be set to 1-4mm, and the thickness of the working layer of the CBN grinding block 1 can be set to 1-5 mm.
More specifically, for the matching relationship of the protrusion 4 between the CBN grinding block 1, the protrusion 4 is located inside and centered on the CBN grinding block 1, the length of the protrusion 4 is not greater than the length inside the CBN grinding block 1, while the length of the protrusion 4 is set to be equal to the length inside the CBN grinding block 1 in the present embodiment, the width of the protrusion 4 is smaller than the width of the CBN grinding block 1, and the dimensions of the specific protrusion 4 and the groove 3 can refer to the following table:
TABLE 1 comparison table of groove 3 of base 2 and main size of CBN grinding block 1
(unit: mm)
As can be seen from the above table, the dimensions of the protrusions 4 and the grooves 3 are determined by the dimensions of the CBD grinding wheel and the substrate 2, and the data of the above table are obtained by a large number of tests.
On the basis of the above embodiment, the mold can be set to be a combined fan-shaped mold, so that the blank of the pressed CBN grinding block 1 has a working layer and protrusions 4 corresponding to the grooves 3 of the base body 2, which is convenient for trimming after sintering, thereby improving the production efficiency and reducing the waste of raw materials.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The manufacturing method for increasing the bonding strength of the ultra-thin CBN grinding wheel for grinding the rotor groove by using the ceramic bond comprises a grinding wheel, wherein the grinding wheel comprises a base body and a CBN grinding block arranged on the outer circular surface of the base body, and is characterized in that the grinding wheel is manufactured according to the following steps:
step 1, manufacturing a matrix, wherein the matrix is a Cr12 forge piece, roughly turning the matrix, then quenching and tempering, finely turning the thickness and the ring width of the front end of the matrix, and cutting coaxial grooves on the outer circular surface of the grinding wheel matrix on the premise of ensuring that the runout of two end surfaces of the matrix is less than or equal to 0.03 mm;
step 2, manufacturing a CBN grinding block, uniformly mixing a ceramic bonding agent, a CBN grinding material and a wetting agent, then placing the mixture into a special die for compression molding and sintering to obtain the CBN grinding block, wherein the inner side of the connection between the CBN grinding block and the base body is an arc shape attached to the outer circular surface of the base body, and the inner side of the CBN grinding block is provided with a bulge inserted into the groove;
step 3, trimming for one time, namely simply trimming the convex part of the CBN grinding block, cleaning and drying;
step 4, bonding, namely preheating the base body and the CBN grinding blocks in the steps 1 and 3, coating adhesives on the outer circular surface and the groove of the base body, the inner side of the CBN grinding block and the protrusion of the CBN grinding block, then placing the base body on a bonding disc, bonding the CBN grinding blocks block by block, and enabling the CBN grinding blocks to be tightly attached to each other and the protrusion of the CBN grinding block to be tightly inserted into the groove of the base body;
step 5, drying, namely placing the bonded grinding wheel into a drying box so as to enable the grinding wheel to be at 80 ℃, and keeping the grinding wheel for curing for 2 hours;
and 6, secondary dressing, namely placing the solidified grinding wheel in special dressing equipment, roughly dressing two end faces and the outer diameter of the grinding wheel, inspecting and warehousing.
2. The method for manufacturing the ultra-thin CBN grinding wheel for grinding rotor slots with ceramic cement as claimed in claim 1, wherein the thickness of the two sides of the groove is equal.
3. The method for manufacturing the ultra-thin CBN grinding wheel with the rotor grooves and the ceramic bond according to claim 1, wherein the preheating is completed in step 4 by keeping the CBN grinding blocks and the matrix at 50 ℃ for 2 hours.
4. The manufacturing method for increasing the bonding strength of the ultra-thin CBN grinding wheel for grinding the rotor groove with the ceramic bond as claimed in claim 1, wherein the thickness of the outer circumferential surface of the base body is 1-4mm, and the thickness of the working layer of the CBN grinding block is 1-5 mm.
5. The method for manufacturing the ultra-thin CBN grinding wheel with the ceramic bond rotor grooves for increasing the bonding strength as claimed in claim 1, wherein the protrusions are located on the inner side of the CBN grinding block, and the length of the protrusions is not greater than the length of the inner side of the CBN grinding block.
6. The method for manufacturing the ultra-thin CBN grinding wheel with the ceramic bond rotor grooves for increasing the bonding strength as claimed in claim 5, wherein the width of the protrusions is smaller than that of the CBN grinding blocks.
7. The method of claim 1 wherein the mold is a combination sector mold to provide a pressed CBN grinding block blank with a working layer and protrusions that mate with the grooves of the substrate.
8. The method for manufacturing the ultra-thin CBN grinding wheel with the rotor slots and the ceramic bond according to claim 1, wherein the adhesive is epoxy resin series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110119505.XA CN112847168A (en) | 2021-01-28 | 2021-01-28 | Manufacturing method for increasing bonding strength of ultra-thin ceramic bond grinding rotor groove CBN grinding wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110119505.XA CN112847168A (en) | 2021-01-28 | 2021-01-28 | Manufacturing method for increasing bonding strength of ultra-thin ceramic bond grinding rotor groove CBN grinding wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112847168A true CN112847168A (en) | 2021-05-28 |
Family
ID=75986221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110119505.XA Pending CN112847168A (en) | 2021-01-28 | 2021-01-28 | Manufacturing method for increasing bonding strength of ultra-thin ceramic bond grinding rotor groove CBN grinding wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112847168A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114523430A (en) * | 2022-02-24 | 2022-05-24 | 苏州远东砂轮有限公司 | Method for detecting bonding strength of ceramic grinding wheel matrix |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001025974A (en) * | 1999-07-14 | 2001-01-30 | Disco Abrasive Syst Ltd | Grinding wheel |
| AT4742U1 (en) * | 2000-02-15 | 2001-11-26 | Swarovski Tyrolit Schleif | GRINDING WHEEL |
| CN1727120A (en) * | 2005-07-28 | 2006-02-01 | 郑州富莱特超硬磨具有限公司 | Slot milling grinding wheel of cubic boron nitride and manufacturing method |
| CN201009169Y (en) * | 2007-03-23 | 2008-01-23 | 天津瑞祺超硬材料磨具有限公司 | Mosaic type cubic boron nitride abrasive wheel |
| CN201077030Y (en) * | 2007-04-28 | 2008-06-25 | 郑州恒远金刚石制品有限公司 | Groove grinding wheel |
| CN103707205A (en) * | 2013-12-27 | 2014-04-09 | 贵州金特磨削科技开发有限公司 | Grinding wheel structure and manufacturing method |
| CN103770030A (en) * | 2013-12-31 | 2014-05-07 | 郑州磨料磨具磨削研究所有限公司 | Resin binder superhard material grinding wheel for roller high-speed grinding and manufacture method thereof |
-
2021
- 2021-01-28 CN CN202110119505.XA patent/CN112847168A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001025974A (en) * | 1999-07-14 | 2001-01-30 | Disco Abrasive Syst Ltd | Grinding wheel |
| AT4742U1 (en) * | 2000-02-15 | 2001-11-26 | Swarovski Tyrolit Schleif | GRINDING WHEEL |
| CN1727120A (en) * | 2005-07-28 | 2006-02-01 | 郑州富莱特超硬磨具有限公司 | Slot milling grinding wheel of cubic boron nitride and manufacturing method |
| CN201009169Y (en) * | 2007-03-23 | 2008-01-23 | 天津瑞祺超硬材料磨具有限公司 | Mosaic type cubic boron nitride abrasive wheel |
| CN201077030Y (en) * | 2007-04-28 | 2008-06-25 | 郑州恒远金刚石制品有限公司 | Groove grinding wheel |
| CN103707205A (en) * | 2013-12-27 | 2014-04-09 | 贵州金特磨削科技开发有限公司 | Grinding wheel structure and manufacturing method |
| CN103770030A (en) * | 2013-12-31 | 2014-05-07 | 郑州磨料磨具磨削研究所有限公司 | Resin binder superhard material grinding wheel for roller high-speed grinding and manufacture method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114523430A (en) * | 2022-02-24 | 2022-05-24 | 苏州远东砂轮有限公司 | Method for detecting bonding strength of ceramic grinding wheel matrix |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108656363B (en) | Composite multilayer diamond tool bit and preparation method thereof | |
| CN108582502B (en) | Diamond saw blade and preparation method thereof | |
| CN112847168A (en) | Manufacturing method for increasing bonding strength of ultra-thin ceramic bond grinding rotor groove CBN grinding wheel | |
| CN102699775A (en) | Method for grinding excircles of axial hard alloy | |
| CN111037209A (en) | Novel production process of automobile wheel spoke plate | |
| CN109483414B (en) | Environment-friendly double-end-face grinding disc for machining piston ring and preparation method and application thereof | |
| CN103231317A (en) | Ceramic bond diamond grinding wheel for machining polymerize crystal diamond (PCD) cutters | |
| CN102490255A (en) | Novel process for manufacturing slice diamond roller for trimming ceramic binder cubic boron nitride (CBN) grinding wheel | |
| CN108942712B (en) | Cold saw grinding wheel with monoclinic edge structure and preparation method thereof | |
| CN201002311Y (en) | Ultra-thin diamond sintering saw blade | |
| CN108161778B (en) | Diamond grinding head and preparation process thereof | |
| CN2199009Y (en) | Combined abrasive wheel for diamond | |
| CN108582504B (en) | Energy-saving efficient diamond saw blade and preparation method thereof | |
| CN107379277B (en) | Diamond saw blade | |
| CN211163563U (en) | Reusable silicon wafer chamfering and edging grinding wheel | |
| CN105364731B (en) | Method for processing heavy-load grinding wheel | |
| CN113714943A (en) | Multifunctional PCD diamond grinding wheel and preparation method thereof | |
| CN103009271A (en) | One side tapered diamond resin grinding wheel and production process thereof | |
| CN115771110A (en) | Preparation method of diamond grinding wheel with PCD (polycrystalline Diamond) composite tool bit | |
| CN110774180A (en) | Reusable silicon wafer chamfering and edging grinding wheel and manufacturing method thereof | |
| CN115781537A (en) | PCD diamond grinding wheel for polishing epoxy terrace and preparation method thereof | |
| CN206519856U (en) | A kind of durability abrasive cut-off wheel group | |
| CN112140014A (en) | Resin centerless grinding CBN grinding wheel for electrochemical auxiliary machining and preparation method thereof | |
| CN215318114U (en) | Resin binder superhard grinding wheel substrate | |
| CN110948403A (en) | Low-temperature sintered ceramic bond grinding wheel and manufacturing method thereof |
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 |