CN1037499C - Rolling-formed metal-base diamond grinding wheel - Google Patents
Rolling-formed metal-base diamond grinding wheel Download PDFInfo
- Publication number
- CN1037499C CN1037499C CN 92110916 CN92110916A CN1037499C CN 1037499 C CN1037499 C CN 1037499C CN 92110916 CN92110916 CN 92110916 CN 92110916 A CN92110916 A CN 92110916A CN 1037499 C CN1037499 C CN 1037499C
- Authority
- CN
- China
- Prior art keywords
- grinding wheel
- diamond
- present
- soft additive
- granularity
- 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
- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 40
- 239000010432 diamond Substances 0.000 title claims abstract description 40
- 238000000227 grinding Methods 0.000 title claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 claims abstract description 20
- 239000000654 additive Substances 0.000 claims abstract description 19
- 230000000996 additive effect Effects 0.000 claims abstract description 19
- 239000010410 layer Substances 0.000 claims abstract description 18
- 239000011241 protective layer Substances 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 238000007731 hot pressing Methods 0.000 claims abstract description 5
- 229910052802 copper Inorganic materials 0.000 claims abstract description 4
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 3
- 239000011230 binding agent Substances 0.000 claims abstract 3
- 239000000853 adhesive Substances 0.000 claims description 18
- 230000001070 adhesive effect Effects 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 15
- 238000005096 rolling process Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 229910052718 tin Inorganic materials 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 2
- 238000007493 shaping process Methods 0.000 abstract description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
- 235000019580 granularity Nutrition 0.000 description 16
- 229910001651 emery Inorganic materials 0.000 description 12
- 239000003082 abrasive agent Substances 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 229910052582 BN Inorganic materials 0.000 description 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000010974 bronze Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000010583 slow cooling Methods 0.000 description 2
- 229910017755 Cu-Sn Inorganic materials 0.000 description 1
- 229910017927 Cu—Sn Inorganic materials 0.000 description 1
- 229910000997 High-speed steel Inorganic materials 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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Abstract
The present invention relates to a grinding processing shaping workpiece which belongs to the field of mechanical processing. In a rolling-formed metal-base diamond grinding wheel of the present invention, a metal binding agent has the components the following weight percentage: 30 to 40 wt% of Sn, 0 to 10 wt% of Ni and Cu as the rest. The granularity of a soft additive is smaller than 10 micrometers, and the content of the soft additive respectively accounts for 8 to 25Vol% of a diamond layer and a protective layer. A manufacturing method comprises hot pressing at 400 to 650 DEG C. The present invention has the advantages that the present invention makes use of provided metal binding agent components, the granularity of the soft additive and the corresponding manufacturing method to manufacture the grinding wheel for grinding and processing a hard material forming workpiece, such as Al2O3, etc.
Description
The invention belongs in the field of machining, be used for the emery wheel of grinding forming tool and general Forming Workpiece.
At present, the advanced technology of skive high accuracy shaping is a rolling forming in the world, this technology is by the invention of federal DS state Wendt company, be published in Industrial Diamond Review.1/1933, author J.Schwammle and R.Lowin, point out in this article to be suitable for that metal adhesive is high Sn bronze in the metal-base diamond grinding wheel of rolling forming, also contain graphite one class additive in the emery wheel, diamond concentration is 75% (3.3 carats/cubic centimetre), granularity is 53～62 microns, 1989 at Industrial Diamond Review 1/1989, P31 and 4/1989, further report is arranged again on the P176, author J.M.Barnard points out in the metal-base diamond and cubic boron nitride abrasive wheel of rolling forming, the composition of metal adhesive is high Sn bronze, contain soft additive or hole, during mill WC, wear particle size is 37～62 microns, during mill quenching high-speed steel, wear particle size is 37～125 microns, wear particle concentration is 75% (3.3 carats/cubic centimetre), 100% (4.4 carats/cubic centimetre) or 150 (6.6 carats/cubic centimetre), in relevant document, concrete composition and soft additive particle size for metal adhesive in the rolling forming metal-base diamond grinding wheel, content, and the manufacture method of this emery wheel there is no report.So, still can not make this emery wheel according to existing report.
The objective of the invention is to determine composition and the soft additive particle size and the content of metal adhesive in the rolling forming metal-base diamond grinding wheel, and its manufacture method is provided.
Main points of the present invention are: specifically determined to satisfy composition and the soft additive particle size and the content of metal adhesive in the metal-base diamond grinding wheel of high accuracy rolling forming requirement, and the manufacture method of this emery wheel.
Grinding wheel structure of the present invention is: core wheel partly is steel matrix, and the outer rim both sides are protective layer, make by metal adhesive, soft additive and conventional abrasive material, and be diamond layer in the middle of the outer rim, make by metal adhesive, soft additive, diamond and conventional abrasive material.
In the diamond layer of emery wheel of the present invention, metal adhesive is: with Cu
3The Sn intermetallic compound is a base, or at Cu
3Near the Sn composition Cu-Sn pseudo-alloy, this pseudo-alloy is mixed after compacting sintering forms by pure Cu and pure Sn powder.The composition range of metal adhesive is 35～40wt%Sn, 0～10wt%Ni, the surplus Cu of being, granularity is below 147 microns, and soft additive can be: graphite, hexagonal boron nitride, MoS
2, WS
2Deng, its granularity is below 10 microns.Diamond grit is 37～62 microns.Conventional abrasive material is: Al
2O
3, SiC, SiN etc., its granularity is identical with diamond, the content ratio of each composition is in the diamond layer: diamond content accounts for the 18.75～37.5Vol% or the concentration 75～150% (3.3～6.6 carats/cubic centimetre) of diamond layer; Soft additive level accounts for 8～25Vol% of diamond layer; Conventional abrasive material content is 0～15Vo1% of diamond volume; Surplus is metal adhesive.
In the protective layer of emery wheel of the present invention, the composition of metal adhesive and the kind of soft additive, granularity all with diamond layer in identical.Identical in the kind of conventional abrasive material and granularity and the Buddha's warrior attendant layer.The content ratio of each composition is in the protective layer: soft additive level accounts for 8～25Vol% of protective layer; Conventional abrasive material accounts for 18.75～37.5Vol% of protective layer; Surplus is metal adhesive.
The manufacture method of emery wheel of the present invention is: metal adhesive, soft additive, diamond and the conventional abrasive material content ratio according to diamond layer and protective layer is mixed separately; pack in proper order in the mould according to diamond layer, protective layer; under 0.5～2 ton/cm2 pressure, cold pressing; be incubated 0.5～4 hour down at 400～650 ℃ again; hot pressing under 0.5～2 ton/cm2 pressure after coming out of the stove; slow cooling then; be worked into the dimensional accuracy of requirement after the demoulding, on special equipment, be rolled into the shape that needs again and meet the requirements of precision.
Advantage of the present invention is: utilize metal adhesive composition provided by the invention and soft additive particle size, content and corresponding method of manufacture, can produce the rolling forming metal-base diamond grinding wheel, with its can grinding WC, SiN, SiC, Al
2O
3Roll extrusion performance on forming tool and other Forming Workpiece emery wheel of the present invention of material: the institute of roll extrusion first time-consuming is 77 minutes, and the time of roll extrusion finishing first is 20 minutes, and consuming the roller number first is 3.The geometric accuracy that wheel grinding carbide alloy chasing tool of the present invention reaches is: length tolerance≤0.04 millimeter, radius tolerances≤0.06 millimeter, angle tolerance 20～40 minutes, surface roughness 0.2～0.4,2.7 millimeters of profile depth.
Description of drawings: Fig. 1 is a rolling forming metal-base diamond grinding wheel structural representation, and wherein 1 is diamond layer, and 2 is protective layer, and 3 is steel matrix.
Embodiment: a kind of rolling forming metal-base diamond grinding wheel that utilizes the present invention to make; this grinding wheel diameter is 200mm; grinding wheel width is 20mm; wherein the steel matrix diameter is 190mm; the steel matrix width is 20mm, and the diamond layer width is 10mm, and diamond layer thickness is 5mm; protective layer width two sides respectively is 5mm, and protective layer thickness is 5mm.
The component content of this emery wheel diamond layer and granularity are: Cu, and 94.84 grams, granularity is below 74 microns, Sn 63.22 grams, granularity is below 74 microns, MoS
229.41 gram, granularity is below 10 microns, diamond 20.22 grams, and 53～62 microns of granularities, wherein, diamond accounts for the 18.75Vol% of diamond layer volume, MoS
2Account for 20Vol%, surplus is the metal adhesive of being made up of Cu and Sn.The component content of this emery wheel protective layer and granularity are: the Cu.94.84 gram, and granularity is below 74 microns, Sn 63.22 grams, granularity is below 74 microns, MoS
229.41 gram, granularity is below 10 microns, the SiC18.38 gram, and granularity is 53～62 microns, wherein, SiC accounts for the 18.75Vol% of protective layer volume, MoS
2Account for 20Vol%, surplus is the metal adhesive of being made up of Cu and Sn.
The manufacture method of this emery wheel is: with diamond layer and the abundant mixing of each composition difference of protective layer; mixture with protective layer is divided into two five equilibriums then; the mould of earlier the diamond layer mixture being packed into; the protective layer mixture is inserted on both sides respectively after the compacting; under 1 ton/cm2 pressure, cold pressing again; put into resistance furnace with mould after colding pressing; be incubated 2 hours down at 550 ℃; hot pressing under 1 ton/cm2 pressure immediately after coming out of the stove; room temperature is arrived in cooling velocity slow cooling with 50 ℃/hour after the hot pressing; be worked into the dimensional accuracy of requirement after the demoulding, on special equipment, be rolled into needed shape again, and meet the requirements of precision.
Claims (2)
1, a kind of rolling forming metal-base diamond grinding wheel; wherein contain metal adhesive and soft additive; the binding agent composition is Sn, Ni, Cu; it is characterized in that: contain 35-40wt%Sn in the metal adhesive; soft additive particle size is below 10 microns, and soft additive level all accounts for 8-25vol% in Buddha's warrior attendant layer and protective layer.
2, rolling forming metal-base diamond grinding wheel as claimed in claim 1 comprises heat pressing process in the manufacture method, and the temperature that it is characterized in that hot pressing is 550-650 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92110916 CN1037499C (en) | 1992-09-24 | 1992-09-24 | Rolling-formed metal-base diamond grinding wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92110916 CN1037499C (en) | 1992-09-24 | 1992-09-24 | Rolling-formed metal-base diamond grinding wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1084443A CN1084443A (en) | 1994-03-30 |
| CN1037499C true CN1037499C (en) | 1998-02-25 |
Family
ID=4945037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92110916 Expired - Fee Related CN1037499C (en) | 1992-09-24 | 1992-09-24 | Rolling-formed metal-base diamond grinding wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1037499C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101851488A (en) * | 2009-03-31 | 2010-10-06 | 三河市科大博德粉末有限公司 | Ceramic bond diamond grinding block and manufacturing method thereof |
| CN102172899A (en) * | 2011-02-17 | 2011-09-07 | 巩亚东 | Novel superspeed point grinding wheel and grinding method thereof |
| CN111230761B (en) * | 2020-03-03 | 2021-04-13 | 沈阳工业大学 | Grinding wheel manufacturing method and device for chamfering silicon wafer |
-
1992
- 1992-09-24 CN CN 92110916 patent/CN1037499C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1084443A (en) | 1994-03-30 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| OR01 | Other related matters | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |