CN201685190U - Blade peripheral grinding wheel with three-circle grinding layer structure - Google Patents
Blade peripheral grinding wheel with three-circle grinding layer structure Download PDFInfo
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- CN201685190U CN201685190U CN2010202091869U CN201020209186U CN201685190U CN 201685190 U CN201685190 U CN 201685190U CN 2010202091869 U CN2010202091869 U CN 2010202091869U CN 201020209186 U CN201020209186 U CN 201020209186U CN 201685190 U CN201685190 U CN 201685190U
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Abstract
The utility model discloses a blade peripheral grinding wheel with three-circle grinding layer structure, which is composed of a grinding wheel basal body and grinding layers arranged on the grinding wheel basal body, the grinding layers are composed of an outer layer, a central layer and an inner layer from outer to inner. According to the technical scheme, the utility model can obtain the grinding efficiency of a single graininess grinding wheel consistent with the coarse graininess in the utility model under the precondition that the grinding conditions such as feed speed, blade size and the like are identical, but the surface grinding quality can reach the surface grinding quality of the graininess consistent with the fine graininess in the utility model. Accordingly, relative to the single fine graininess, the grinding efficiency can be improved by more than 2 times, and the durability and the service life of the grinding wheel can be improved by 2-3 times.
Description
Technical field
The utility model relates to a kind of blade periphery grinding abrasive disk of new structure.
Background technology
For a long time, indexable insert tip, throw away tips such as grinding carbide alloy, high-speed steel, nonmetallic ceramics, CBN are single abrasive material of even tissue with the abrasive material of blade periphery grinding abrasive disk.The general abrasive material (diamond or CBN etc.) that adopts single granularity in the abrasive material, and make every effort to tissue density evenly, high conformity, to guarantee the surperficial uniform wear of emery wheel in blade peripheral grinding process.The used bond of such emery wheel mainly contains resin, vitrified bond; Adopting diamond when processing rigid alloy, nonmetallic ceramics and CBN blade is abrasive material, during processing high-speed steel indexable insert tip, throw away tip, adopts CBN as abrasive material.
At present, the high accuracy indexable insert tip, throw away tip all adopts numerical control periphery grinding machine to process, and requires clamping of blade, finishes all peripheral grinding operations such as side, rounding, chamfered edge of blade, to guarantee the machining accuracy and the quality of blade.In such Grinding Process, adopt the emery wheel of single granularity abrasive material, thick excessively as abrasive material, though can obtain higher grinding efficiency and emery wheel service life, but the blade of being processed periphery fineness is low, cutting edge tipping size is bigger, and then reduces greatly the service life of blade; As adopting the emery wheel than the fine granularity abrasive material, though can obtain higher surface quality and perfect cutting edge, the wearing no resistance of emery wheel, service life are low, and the processing cost of blade is greatly improved.Therefore, rely on the emery wheel of single granularity structure, can't solve the contradiction that high-wearing feature, low processing cost and high crudy in high rigidity material blade numerical controls such as nonmetallic ceramics, the CBN periphery mill processes is integrated in same emery wheel.Given this, part enterprise also adopts the coarseness emery wheel to carry out the method for blade periphery corase grind side, fine granularity emery wheel correct grinding side and rounding, chamfered edge, reduce production costs, but, reduced the dimensioned precision of production efficiency and blade because the secondary clamping has been carried out in the centre.
Patent ZL200610035898.1 discloses a kind of preparation method of double-deck stone material beveler.The outer metallic bond abrasive material that adopts coarseness of this emery wheel, internal layer is a fine granularity resinoid bond abrasive material, interlayer does not have support mutually, separate with groove, and enhance productivity and surface smoothness in conjunction with the through type grinding, and the grinding object of indexable insert tip, throw away tip periphery grinding abrasive disk is different with above-mentioned patented product with grinding method, so the patented product is not suitable for the grinding of indexable insert tip, throw away tip.As its double-decker emery wheel is applied to the indexable insert tip, throw away tip peripheral grinding, not only be helpless to improve the crudies such as surface smoothness of blade, and be prone to outer emery wheel and fall the piece phenomenon.
Summary of the invention
The purpose of this utility model is can't integrated high-wearing feature in order to overcome existing blade periphery grinding abrasive disk, high grinding efficiency, high crudy contradiction, and a kind of indexable insert tip, throw away tip periphery grinding abrasive disk structure with three abrasive materials is provided.Use the emery wheel of this version, can guarantee blade peripheral grinding efficient, grinding life-span and durability, can effectively improve blade peripheral grinding quality again, reduce the blade processing cost, be difficult to by a clamping high-quality, a high efficiency difficult problem of finishing each operation processing such as blade side, chamfered edge, rounding thereby solve hard brittle material indexable insert tip, throw away tips such as present nonmetallic ceramics, CBN.
For achieving the above object, the utility model is by the following technical solutions:
The utility model is made up of grinding wheel base body and the abrasive material that is positioned on the grinding wheel base body, and described abrasive material is made of outer, intermediate layer and internal layer from outside to inside successively.
Described internal layer is the metallic bond abrasive material; Described intermediate layer is the resinoid bond abrasive material; Described skin is the metallic bond abrasive material.
Described internal layer is a resin metallic combined binder abrasive material; Described intermediate layer is the resinoid bond abrasive material; Described skin is a resin metallic combined binder abrasive material.
Described internal layer is the vitrified bond abrasive material; Described intermediate layer is the resinoid bond abrasive material; Described skin is the vitrified bond abrasive material.
Described internal layer is the metallic bond abrasive material; Described intermediate layer is a resin metallic combined binder abrasive material; Described skin is the metallic bond abrasive material.
Described internal layer, intermediate layer and skin are any one in resinoid bond abrasive material, metallic bond abrasive material, vitrified bond abrasive material or the resin metallic combined binder abrasive material, and high at least two grades of the hardness in outer field hardness ratio intermediate layer, the high at least grade of the hardness of outer field hardness ratio internal layer.
Described internal layer and outer field abrasive grain are W10～W40, and the intermediate layer abrasive grain is 325/400～170/200, and the abrasive grain in internal layer, skin and intermediate layer differs two grades at least.
Described internal layer, intermediate layer and outer field abrasive material are diamond or cubic boron nitride abrasive materials.
Described skin and internal layer ring width are 1.5～3mm, and the intermediate layer ring width is 8～20mm.
The height in described outer field aspect ratio intermediate layer hangs down 0.5～1mm, and the height in the aspect ratio intermediate layer of internal layer hangs down 0.25～0.75mm.
Adopt the utility model of technique scheme, under the identical prerequisite of grinding conditions such as feed rate, blade size size, can obtain with this utility model in the grinding efficiency of the single granularity emery wheel consistent than coarseness, and its surfacing quality then can reach the surfacing quality of granularity for the fine granularity unanimity in this utility model.Therefore, for single fine granularity emery wheel, its grinding efficient can improve more than 2 times, and the durability of emery wheel and service life are improved 2～3 times, and the dimensional accuracy high conformity of different blades; With respect to single coarseness emery wheel, its surfacing quality can improve 1～2 grade, reduces greatly and its cutting edge collapses limit quantity, and chipping is of a size of 1/3～1/5 of coarseness emery wheel.Therefore, guaranteeing on the grinding efficiency and the basis in service life, can improve the dimensional accuracy and the surface quality of blade, can reduce the production cost and the periphery mill process-cycle of single piece blade again, and can effectively solve in hard brittle material blade numerical control such as the nonmetallic ceramics periphery mill process, because the difficult problem that the too fast dimensional accuracy that causes of emery wheel consumption can't accurately be controlled.
Description of drawings
Fig. 1 is the profile of the single abrasive material emery wheel of prior art;
Fig. 2 is an overall structure schematic diagram of the present utility model;
Fig. 3 is the enlarged diagram at A place among Fig. 2.
The specific embodiment
As Fig. 2, shown in Figure 3, the utility model is made up of grinding wheel base body 2 and the abrasive material 1 that is positioned on the grinding wheel base body 2, above-mentioned abrasive material 1 is followed successively by skin 3, intermediate layer 4 and internal layer 5 from outside to inside, and skin 3, intermediate layer 4 and internal layer 5 are the mixed layer of abrasive material and bond.Wherein, the intermediate layer abrasive material 7 that adopt than coarseness in intermediate layer 4 is used for the side corase grind and the rounding grinding of blade, and the big surplus workpiece material that mainly carries out in the blade periphery mill process is removed.Internal layer 5 and outer 3 all adopts more fine-grained abrasive material, can be in the swing grinding process of blade side processing, and finish grind the blade side, improves the surface smoothness of blade side.In addition, outer 3 also are mainly used in the chamfered edge grinding of blade, can guarantee the Surface Machining fineness and the cutting edge quality of blade cutting edge, thus the service life of bigger raising indexable insert tip, throw away tip.Because the ectonexine ring width is narrow, and is little with basal body binding force, so interlayer adopts binding agent or grinding wheel bond to bond mutually, make three abrasive materials form an overall structure, help preventing the piece that falls of inside and outside layer emery wheel.The combination interface place of abrasive material 1 and matrix 2 according to the hardness requirement of different layers emery wheel, adopts differing heights hierarchic structure.So both helped in the integral die forming process, the control of the emery wheel tissue density of different abrasive materials also helps the raising of enforcement of emery wheel bonding process and abrasive material and bond matrix intensity.The abrasive material that hardness is high, its matrix size design is higher, and the corresponding abrasive height is lower, and vice versa.Usually outer 3 height are than the low 0.5～1mm of height in intermediate layer 4, and internal layer 5 height are than the low 0.25～0.75mm of height in intermediate layer 4.
In the design of size, the emery wheel external diameter is consistent with single granularity emery wheel, and promptly skin 3 and internal layer 5 ring widthes are 1.5～3mm, can think 1.5mm, 2mm, any one value among the 3mm; And intermediate layer 4 ring widthes are consistent with single granularity periphery grinding abrasive disk or reduce 1～2mm, can be taken as 8～20mm according to the difference of institute's sharpening sheet model, can think 8mm, 10mm, 13mm, 15mm, 18mm, any one value among the 20mm.
For abrasive material, three layers abrasive material can all adopt diamond, also can all adopt cubic boron nitride.And internal layer 5 and outer 3 is for abrasive grain is the abrasive material of W10～W40, and intermediate layer 4 is 325/400～170/200 abrasive material for abrasive grain, and the abrasive grain in internal layer, skin and intermediate layer differs two grades at least.Specifically, be distributed with internal layer abrasive material 9 in the internal layer 5, be distributed with outer abrasive material 8 in outer 3, the granularity of internal layer abrasive material 9 and outer abrasive material 8 is the arbitrary granularity between W10～W40, and promptly inside and outside layer abrasive grain can be arbitrary values wherein such as W10, W14, W20, W28, W40; And the granularity of intermediate layer abrasive material 7 is arbitrary granularity of 325/400～170/200, and promptly the granularity of intermediate layer abrasive material 7 can be 325/400,270/325,230/270,200/230,170/200.
For bond, from outer bond, the intermediate layer bond is to the internal layer bond, can be metallic bond/resinoid bond/metallic bond successively, or resin metallic combined binder/resinoid bond/resin metallic combined binder, or vitrified bond/resinoid bond/vitrified bond, or metallic bond/combinations such as resin metallic combined binder/metallic bond, also can adopt the bond of the same type of different hardness grade combination, but because outer field grinding load is the heaviest, so common outer hardness ratio intermediate layer hardness is high two more than the grade, higher one more than the grade than internal layer hardness, promptly outer 3 is high at least two grades in hardness ratio intermediate layer 4, abrasive material than the high at least grade of internal layer 5.
Because the difference of each abrasive material hardness and bond, the different abrasive materials of emery wheel must be according to the difference of selected bond, adopt corresponding compacting, curing or sintering process to carry out moulding respectively, adopting hot-pressing sintering technique as metallic bond, resinoid bond adopts hot moulding+back curing process, vitrified bond to adopt to cold pressing+sintering process, resin metallic combined binder employing hot pressing+aftertreatment technology etc.Emery wheel ring after the moulding or joint piece become shape shown in Figure 2 with matrix is bonding respectively with resinoid bond.As abrasive material bond type is resinoid bond, and also directly integral body is compressed on the grinding wheel base body.
Based on above-mentioned technical characterictic, the utility model can be prepared the high mill indexable insert tip, throw away tip emery wheel of grinding efficiency.Below enumerating two examples is illustrated:
Example 1, mill nonmetallic ceramics indexable insert tip, throw away tip emery wheel.
1. specific implementation method.
Internal layer 5 is a resin metallic combined binder diamond abrasive layer; Intermediate layer 4 is a resinoid bond diamond abrasive layer; Outer 3 is resin metallic combined binder diamond abrasive layer.Internal layer abrasive material 9 and outer abrasive material 8 are the diamond of W14, and the intermediate layer is 325/400 diamond.The ring width of internal layer 5 and skin 3 is 2.5mm, intermediate layer ring width 8mm; Outer 3 hardness leveles are R, and intermediate layer 4 hardness leveles are the L level, and internal layer 5 hardness leveles are P.
2. the condition when using is:
Emery wheel model: 12A2T 350x27x300x13x7DW14/320/W14C100;
Grinding machine model: Agathon 350Combi;
Blade model: CNGA 1206;
Operating speed: 20m/s;
Feed rate: 17mm/min;
The monolateral 0.15mm of corase grind surplus, the monolateral 0.05mm of correct grinding surplus.
3. concrete application result:
Grinding efficiency improves 1 times than same model W20 emery wheel, and wheel life and durability are 3 times of same model W20 emery wheel, and the cutting edge quality behind the chamfered edge is better than the W20 emery wheel.
Example 2, mill CBN indexable insert tip, throw away tip emery wheel.
1. specific implementation method.
Internal layer 5 is the ceramic bond diamond abrasive material; Intermediate layer 4 is a resin metallic combined binder diamond abrasive layer; Outer 3 is the ceramic bond diamond abrasive material.Internal layer abrasive material 9 and outer abrasive material 8 are the diamond of granularity W20, and the intermediate layer is 325/400 diamond.The ring width of internal layer 5 and skin 3 is 2mm, intermediate layer ring width 8mm; Outer 3 hardness leveles are R, and intermediate layer 4 hardness leveles are the N level, and internal layer 5 hardness leveles are P.
2. concrete application conditions and result:
Emery wheel model: 12A2T 350x27x300x12x7DW20/320/W20/C100;
Grinding machine model: Agathon 350Combi;
Blade model: CNGA 1204;
Operating speed: 20m/s;
Feed rate: 15mm/min;
The monolateral 0.10mm of corase grind surplus, the monolateral 0.05mm of correct grinding surplus.
3. concrete application result:
Grinding efficiency improves 1.5 times than same model W20 emery wheel, and wheel life and durability are 2.5 times of same model W20 emery wheel, and the cutting edge quality behind the chamfered edge is suitable with the W20 emery wheel.
Claims (10)
1. one kind three is encircled abrasive material structure blade periphery grinding abrasive disk, it is made up of grinding wheel base body (2) and the abrasive material (1) that is positioned on the grinding wheel base body (2), it is characterized in that: described abrasive material (1) is from outside to inside successively by outer (3), intermediate layer (4) and internal layer (5) formation.
2. three ring abrasive material structure blade periphery grinding abrasive disks according to claim 1, it is characterized in that: described internal layer (5) is the metallic bond abrasive material; Described intermediate layer (4) is the resinoid bond abrasive material; Described skin (3) is the metallic bond abrasive material.
3. three ring abrasive material structure blade periphery grinding abrasive disks according to claim 1, it is characterized in that: described internal layer (5) is a resin metallic combined binder abrasive material; Described intermediate layer (4) is the resinoid bond abrasive material; Described skin (3) is a resin metallic combined binder abrasive material.
4. three ring abrasive material structure blade periphery grinding abrasive disks according to claim 1, it is characterized in that: described internal layer (5) is the vitrified bond abrasive material; Described intermediate layer (4) is the resinoid bond abrasive material; Described skin (3) is the vitrified bond abrasive material.
5. three ring abrasive material structure blade periphery grinding abrasive disks according to claim 1, it is characterized in that: described internal layer (5) is the metallic bond abrasive material; Described intermediate layer (4) is a resin metallic combined binder abrasive material; Described skin (3) is the metallic bond abrasive material.
6. three ring abrasive material structure blade periphery grinding abrasive disks according to claim 1, it is characterized in that: described internal layer (5), intermediate layer (4) and outer (3) are any one in resinoid bond abrasive material, metallic bond abrasive material, vitrified bond abrasive material or the resin metallic combined binder abrasive material, and high at least two grades of hardness in the hardness ratio intermediate layer (4) of outer (3), the high at least grade of hardness of the hardness ratio internal layer (5) of outer (3).
7. according to the arbitrary described three ring abrasive material structure blade periphery grinding abrasive disks of claim 1～6, it is characterized in that: described internal layer and outer field abrasive grain are W10～W40, the intermediate layer abrasive grain is 325/400～170/200, and the abrasive grain in internal layer, skin and intermediate layer differs two grades at least.
8. three ring abrasive material structure blade periphery grinding abrasive disks according to claim 7, it is characterized in that: described internal layer, intermediate layer and outer field abrasive material are diamond or cubic boron nitride abrasive materials.
9. three ring abrasive material structure blade periphery grinding abrasive disks according to claim 1, it is characterized in that: described skin (3) and internal layer (5) ring width are 1.5～3mm, and intermediate layer (4) ring width is 8～20mm.
10. three ring abrasive material structure blade periphery grinding abrasive disks according to claim 1, it is characterized in that: the height in the aspect ratio intermediate layer (4) of described skin (3) hangs down 0.5～1mm, and the height in the aspect ratio intermediate layer (4) of internal layer (5) hangs down 0.25～0.75mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010202091869U CN201685190U (en) | 2010-05-31 | 2010-05-31 | Blade peripheral grinding wheel with three-circle grinding layer structure |
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| CN2010202091869U CN201685190U (en) | 2010-05-31 | 2010-05-31 | Blade peripheral grinding wheel with three-circle grinding layer structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105965402A (en) * | 2015-03-13 | 2016-09-28 | 株式会社迪思科 | Grinding wheel |
| CN107378802A (en) * | 2017-07-27 | 2017-11-24 | 郑州磨料磨具磨削研究所有限公司 | A kind of emery wheel for QFN encapsulation chip cuttings and preparation method thereof |
| CN107398836A (en) * | 2017-07-27 | 2017-11-28 | 郑州磨料磨具磨削研究所有限公司 | A kind of bonding agent, semiconductor packages processing ultra-thin emery wheel and preparation method thereof |
| CN109676543A (en) * | 2019-01-21 | 2019-04-26 | 中原工学院 | A kind of diamond wafers grinding wheel |
| CN110977796A (en) * | 2019-12-04 | 2020-04-10 | 上海新山田精密刀具有限公司 | Peripheral grinding wheel for coarse and fine grinding of PCBN blade |
-
2010
- 2010-05-31 CN CN2010202091869U patent/CN201685190U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105965402A (en) * | 2015-03-13 | 2016-09-28 | 株式会社迪思科 | Grinding wheel |
| CN107378802A (en) * | 2017-07-27 | 2017-11-24 | 郑州磨料磨具磨削研究所有限公司 | A kind of emery wheel for QFN encapsulation chip cuttings and preparation method thereof |
| CN107398836A (en) * | 2017-07-27 | 2017-11-28 | 郑州磨料磨具磨削研究所有限公司 | A kind of bonding agent, semiconductor packages processing ultra-thin emery wheel and preparation method thereof |
| CN109676543A (en) * | 2019-01-21 | 2019-04-26 | 中原工学院 | A kind of diamond wafers grinding wheel |
| CN110977796A (en) * | 2019-12-04 | 2020-04-10 | 上海新山田精密刀具有限公司 | Peripheral grinding wheel for coarse and fine grinding of PCBN blade |
| CN110977796B (en) * | 2019-12-04 | 2021-08-17 | 上海新山田精密刀具有限公司 | Peripheral grinding wheel for coarse and fine grinding of PCBN blade |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHENGZHOU RESEARCH INSTITUTE FOR ABRASIVES + GRIND Free format text: FORMER OWNER: ZHENGZHOU ABRASIVE MATERIALS, ABRASIVE TOOLS, GRINDING INST. (CN) NO.1 HUASHAN R Effective date: 20140107 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140107 Address after: 450001 No. 121, Indus street, hi tech Industrial Development Zone, Henan, Zhengzhou Patentee after: Zhengzhou Research Institute for Abrasives & Grinding Co., Ltd. Patentee after: Zhengzhou Sanmo Superhard Material Co., Ltd. Address before: 450001 No. 121, Phoenix Street, hi tech Development Zone, Henan, Zhengzhou Patentee before: Zhengzhou Research Institute for Abrasive & Grinding Co., Ltd. Patentee before: Zhengzhou Sanmo Superhard Material Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101229 |