CN102490127A - Grinding material of grinding disc fixed with grinding material - Google Patents
Grinding material of grinding disc fixed with grinding material Download PDFInfo
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- CN102490127A CN102490127A CN2011104286729A CN201110428672A CN102490127A CN 102490127 A CN102490127 A CN 102490127A CN 2011104286729 A CN2011104286729 A CN 2011104286729A CN 201110428672 A CN201110428672 A CN 201110428672A CN 102490127 A CN102490127 A CN 102490127A
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Abstract
The invention discloses a grinding material of a grinding disc, and the grinding material is used for leveling and grinding a fine workpiece. The grinding material comprises the following components in parts by weight: 75-80 parts of copper powder, 10-15 parts of tin powder, 1-5 parts of tungsten carbide powder, 1-5 parts of cobalt powder, 3-5 parts of diamond powder and 1-3 parts of molybdenum powder. A grinding material block of the grinding disc is obtained by uniformly stirring all the components of the grinding material and then performing the process steps of press-forming, drying and vacuum sintering. The grinding disc using the grinding material disclosed by the invention has the advantages that the service life is greatly prolonged and the grinding efficiency of the grinding disc is greatly improved.
Description
Technical field
The invention discloses a kind of smooth abrasive disk abrasive material with grinding of delicate workpieces that is used for.
Background technology
Grinding is extensively adopted as a kind of high-precision processing method, but traditional shot abrasive lapping working (machining) efficiency is low, adds and has the abrasive material splash phenomena man-hour, causes waste, so cost is very high.The seventies in 20th century, the appearance of fixed abrasive material technology solved traditional shot abrasive material existing most of shortcoming in processing at a slow speed, and through the development of nearly decades, fixed abrasive material technology is the raising that matter has all been arranged from manufacture craft or on the serviceability.Shot abrasive material with respect to traditional grinds slowly, and the fixed abrasive material lap has many good qualities.Because abrasive material is fixed, can significantly improves abrasive material speed, and not have the abrasive material of the shot abrasive lapping problem of splashing; Can strengthen coolant rate, wash away abrasive material, guarantee when improving grinding efficiency, to make workpiece not produce thermal deformation again increasing grinding pressure and be unlikely; Mutual grinding effect when not having the shot abrasive lapping between the abrasive material improves working (machining) efficiency, the waste of avoiding often changing abrasive material and being caused; Abrasive material is stressed, and evenly the surface of the work cut is shallow, and workpiece surface quality is high.
Common fixed abrasive material abrasive disk is by the cast iron moulding by casting; At its electroplating surface one deck diamond dust, each grain of diamond dust at grade, but the high material of a contact friction hardness; The sharp cutting edge of a knife or a sword of diamond dust is with regard to evanescence; Mill just can't cutting workpiece behind the sharp cutting edge of a knife or a sword in case diamond dust disappears, so in actual production, the utilization rate of diamond dust is only about 30%.Simultaneously, because coming off of diamond dust becomes the principal mode of abrasive disk wearing and tearing, therefore need often to change abrasive disk.
Wang Gensheng (Chinese patent, the patent No.: 200710156495.7) improve, adopt several kinds of metal dusts to become abrasive material, be bonded in the irony substrate with the diamond dust mixed sintering.Abrasive ingredients is a diamond dust 10% ~ 15%, copper 8% ~ 12%, nickel 7% ~ 10%, tin 5% ~ 12%, cobalt 4% ~ 7%, sulphur 0.2% ~ 0.5%, graphite 0.1% ~ 0.4%, iron surplus.The abrasive disk processed of the abrasive ingredients of patent of invention is compared and is electroplated abrasive disk and improve more than 200 times service life according to this, but can't grind the high rigidity workpiece, and grinding efficiency and wearability are less.
Summary of the invention
The objective of the invention is to overcome the deficiency that exists in the prior art, the abrasive material of the fixed abrasive material abrasive disk that a kind of grinding efficiency height, long service life are provided, can reduce production costs.
According to technical scheme provided by the invention, the abrasive material of said fixed abrasive material abrasive disk, it is characterized in that this abrasive material comprises the each component of following weight portion: copper powder is 75 ~ 80 weight portions; Glass putty is 10 ~ 15 weight portions; Tungsten carbide powder is 1 ~ 5 weight portion, and cobalt powder is 1 ~ 5 weight portion, and bortz powder is 3 ~ 5 weight portions; Molybdenum powder is 1 ~ 3 weight portion, and the abrasive material each component is stirred after compression moulding, drying and vacuum-sintering operation obtain the abrasive material piece of abrasive disk.
The particle diameter of said diamond powder is 28um ~ 40um.
The beneficial effect that the present invention adopts technique scheme to obtain is:
1. the abrasive components of fixed abrasive material abrasive disk of the present invention adopts metal dust and bortz powders such as copper, tin, cobalt, tungsten carbide.Most compositions wherein are copper, and metallic copper has compatibility, intensity hardness height preferably, can improve abrasive material each several part adhesion and wearability, thereby improve the service life of abrasive disk.Simultaneously, the thermal conductivity factor of copper only is lower than cost than its high silver, is higher than other metals, and this helps to reduce the temperature that produces in the process, avoids the workpiece damage deformation; Composition tin is low-melting-point metal, can reduce the fusing point of abrasive ingredients, reduces sintering temperature, reduces the diamond carbonization, improves the grinding efficiency of abrasive disc; Composition cobalt and tungsten carbide can significantly improve the wearability and the cutting ability of abrasive disc; The composition diamond hardness is 10, can be used for grinding any workpiece, and improves grinding efficiency greatly.To grind sapphire sheet is example, the amount of grinding of existing abrasive disk 2h, and fixed abrasive material abrasive disk 1min of the present invention can accomplish, and promptly grinding efficiency improves 120 times.Compare and existing mill, improve service life more than 300 times.
2. the present invention adopts several kinds of metal dusts and bortz powder mixed sintering, makes on the diamond on the abrasive material piece lower deviation uneven, grinds off one deck and also has one deck, has improved adamantine utilization rate greatly, thereby has improved the grinding efficiency and the service life of abrasive disk.
3. it is block that the abrasive material of fixed abrasive material abrasive disk of the present invention is, spaced apart, has groove between piece and the piece, and in process of lapping, the heat of generation is easy to dissipate, and prevents the distortion of abrasive disk and workpiece to be machined, raising abrasive disk service life; The abrasive material block gap distributes and can make production cost reduce more than 40%.
Description of drawings
Fig. 1 is the structural representation of the fixed abrasive material abrasive disk among the present invention.
Fig. 2 is the vertical view of Fig. 1.
The specific embodiment
Below in conjunction with concrete accompanying drawing and embodiment the present invention is described further.
Like Fig. 1, shown in 2,1 is the metallic matrix layer among the figure, and 2 is adhesive phase, and 3 is the abrasive material piece.The abrasive material piece equidistantly is bonded on the metallic matrix layer 1 through adhesive phase 2, and adhesive phase 2 adhesive therefors are whole binder resin.
Taking by weighing copper powder is 800 grams, and glass putty is 100 grams, and tungsten carbide powder is 10 grams; Cobalt powder is 20 grams; The 28um bortz powder is 50 grams, and molybdenum powder is 30 grams, and the powder that proportioning is good stirs with mixer; The length of side of packing into after stirring is in the regular hexagon grinding tool of 15mm, thickness 2mm, shaped by fluid pressure under hydraulic press.After the moulding abrasive material piece is placed on 100 ℃ of following dry 3h in the baking box; 600 ℃ of sintering 10h of vacuum sintering furnace are put in taking-up; Use binder resin layer 2 to be bonded on the cast iron metallic matrix layer 1 of diameter as 380mm the regular hexagon abrasive material piece 3 that sinters at last; Gap between adjacent two abrasive material pieces 3 is 2mm, processes the fixed abrasive material abrasive disk.
Use the fixed abrasive material abrasive disk of this embodiment abrasive material can grind the workpiece of Mohs' hardness below 10.To grind sapphire sheet is example, and grinding efficiency can reach 2100um/h, and service life is more than 3 years.
Taking by weighing copper powder is 780 grams, and glass putty is 120 grams, and tungsten carbide powder is 25 grams; Cobalt powder is 25 grams, and the 40um bortz powder is 40 grams, and molybdenum powder is 20 grams; The powder that proportioning is good stirs with mixer, and the radius of packing into after stirring is in the circular grinding tool of 10mm, thickness 2mm, shaped by fluid pressure under hydraulic press.After the moulding abrasive material piece is placed on 100 ℃ of following dry 3h in the baking box; 600 ℃ of sintering 10h of vacuum sintering furnace are put in taking-up; The circular abrasive material piece that will sinter at last uses binder resin layer 2 to be bonded on the cast iron metallic matrix layer 1 of diameter as 380mm; Gap between adjacent two abrasive material pieces 3 is 2mm, processes the fixed abrasive material abrasive disk.
Use the fixed abrasive material abrasive disk of this embodiment abrasive material can grind the workpiece of Mohs' hardness below 10.To grind sapphire sheet is example, and grinding efficiency can reach 2300um/h, and service life is more than 3 years.
Taking by weighing copper powder is 750 grams, and glass putty is 150 grams, and tungsten carbide powder is 30 grams; Cobalt powder is 10 grams; The 40um bortz powder is 30 grams, and molybdenum powder is 10 grams, and the powder that proportioning is good stirs with mixer; The length of side of packing into after stirring is in the square grinding tool of 20mm, thickness 2mm, shaped by fluid pressure under hydraulic press.After the moulding abrasive material piece is placed on 100 ℃ of following dry 3h in the baking box; 600 ℃ of sintering 10h of vacuum sintering furnace are put in taking-up; Use binder resin layer 2 to be bonded on the cast iron metallic matrix layer 1 of diameter as 380mm the square abrasive material piece 3 that sinters at last; Gap between adjacent two abrasive material pieces 3 is 2mm, processes the fixed abrasive material abrasive disk.
Use the fixed abrasive material abrasive disk of this embodiment abrasive material can grind the workpiece of Mohs' hardness below 10.To grind sapphire sheet is example, and grinding efficiency can reach 2200um/h, and service life is more than 3 years.
Claims (2)
1. the abrasive material of a fixed abrasive material abrasive disk; It is characterized in that this abrasive material comprises the each component of following weight portion: copper powder is 75 ~ 80 weight portions, and glass putty is 10 ~ 15 weight portions, and tungsten carbide powder is 1 ~ 5 weight portion; Cobalt powder is 1 ~ 5 weight portion; Bortz powder is 3 ~ 5 weight portions, and molybdenum powder is 1 ~ 3 weight portion, and the abrasive material each component is stirred after compression moulding, drying and vacuum-sintering operation obtain the abrasive material piece of abrasive disk.
2. the abrasive material of fixed abrasive material abrasive disk as claimed in claim 1 is characterized in that: the particle diameter of said diamond powder is 28um ~ 40um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104286729A CN102490127A (en) | 2011-12-20 | 2011-12-20 | Grinding material of grinding disc fixed with grinding material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104286729A CN102490127A (en) | 2011-12-20 | 2011-12-20 | Grinding material of grinding disc fixed with grinding material |
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| CN102490127A true CN102490127A (en) | 2012-06-13 |
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| CN2011104286729A Pending CN102490127A (en) | 2011-12-20 | 2011-12-20 | Grinding material of grinding disc fixed with grinding material |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103381573A (en) * | 2013-05-27 | 2013-11-06 | 河南科技学院 | Chemical mechanical grinding plate for consolided grinding material used in SiC single crystal wafer grinding process |
| CN104551967A (en) * | 2014-12-26 | 2015-04-29 | 江西省莲花水轮机厂有限公司 | Honing tool for thrust mirror plate |
| CN110125818A (en) * | 2019-05-11 | 2019-08-16 | 北京工业大学 | A kind of ELID grinding iron cobalt-based super-abrasive grinding wheel and preparation method thereof |
| CN113199084A (en) * | 2021-05-10 | 2021-08-03 | 江苏锋菱超硬工具有限公司 | Production process of efficient multi-layer brazed diamond saw blade |
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| CN1123819A (en) * | 1994-11-29 | 1996-06-05 | 王文孝 | Diamond grinding block |
| US20010005664A1 (en) * | 1999-12-28 | 2001-06-28 | Fujimi Incorporated | Grinding stone, process for its production and grinding method employing it |
| CN1552936A (en) * | 2003-12-19 | 2004-12-08 | 李文辉 | High-toughness grinding medium and preparing method thereof |
| CN2866001Y (en) * | 2006-01-24 | 2007-02-07 | 镇江锋芒磨具有限公司 | Circular grinding disc |
| US20100279138A1 (en) * | 2007-11-08 | 2010-11-04 | Alfa Laval Corporate Ab | Diamond metal composite |
| CN101934500A (en) * | 2010-05-07 | 2011-01-05 | 广东奔朗新材料股份有限公司 | Diamond rubbing block and fabricating method thereof |
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2011
- 2011-12-20 CN CN2011104286729A patent/CN102490127A/en active Pending
Patent Citations (6)
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| CN1123819A (en) * | 1994-11-29 | 1996-06-05 | 王文孝 | Diamond grinding block |
| US20010005664A1 (en) * | 1999-12-28 | 2001-06-28 | Fujimi Incorporated | Grinding stone, process for its production and grinding method employing it |
| CN1552936A (en) * | 2003-12-19 | 2004-12-08 | 李文辉 | High-toughness grinding medium and preparing method thereof |
| CN2866001Y (en) * | 2006-01-24 | 2007-02-07 | 镇江锋芒磨具有限公司 | Circular grinding disc |
| US20100279138A1 (en) * | 2007-11-08 | 2010-11-04 | Alfa Laval Corporate Ab | Diamond metal composite |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103381573A (en) * | 2013-05-27 | 2013-11-06 | 河南科技学院 | Chemical mechanical grinding plate for consolided grinding material used in SiC single crystal wafer grinding process |
| CN103381573B (en) * | 2013-05-27 | 2016-08-10 | 河南科技学院 | A kind of SiC single crystal slice lapping operation concretion abrasive cmp dish |
| CN104551967A (en) * | 2014-12-26 | 2015-04-29 | 江西省莲花水轮机厂有限公司 | Honing tool for thrust mirror plate |
| CN104551967B (en) * | 2014-12-26 | 2017-01-11 | 江西省莲花水轮机厂有限公司 | Honing tool for thrust mirror plate, honing wheel thereof and preparation method of honing wheel |
| CN110125818A (en) * | 2019-05-11 | 2019-08-16 | 北京工业大学 | A kind of ELID grinding iron cobalt-based super-abrasive grinding wheel and preparation method thereof |
| CN113199084A (en) * | 2021-05-10 | 2021-08-03 | 江苏锋菱超硬工具有限公司 | Production process of efficient multi-layer brazed diamond saw blade |
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Application publication date: 20120613 |