CN105364731A - Heavy-load grinding wheel and machining method thereof - Google Patents
Heavy-load grinding wheel and machining method thereof Download PDFInfo
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- CN105364731A CN105364731A CN201510632717.2A CN201510632717A CN105364731A CN 105364731 A CN105364731 A CN 105364731A CN 201510632717 A CN201510632717 A CN 201510632717A CN 105364731 A CN105364731 A CN 105364731A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/001—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as supporting member
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/12—Condensation polymers of aldehydes or ketones
- C04B26/122—Phenol-formaldehyde condensation polymers
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention belongs to the technical field of machining, particularly relates to a heavy-load grinding wheel and further discloses a machining method of the heavy-load grinding wheel. The heavy-load grinding wheel comprises an inner-layer portion and an outer-layer portion made of different raw materials. The raw materials of the two portions and the ratio of the raw materials are screened elaborately, sand of two granularities is combined to form sand with the fine granularity within phi 450 for pressing, and the strength can be effectively enhanced. Meanwhile, the sand of the granularity being C No. 120 is adopted as the raw materials of the inner-layer portion preferentially, the rotation strength achieved after the sand of the fine granularity and a resin adhesive are combined is higher than that of sand of the crude granularity by 20% or above; and the portion with the phi 450 is a non-working face, the portion outside the phi 450 is a working face of the outer-layer portion, and the grinding wheel is used for grinding a steel plate or a round steel workblank. Accordingly, the heavy-load grinding wheel has the beneficial effects of being not likely to be broken and being high in grinding efficiency.
Description
Technical field
The invention belongs to Machining Technology field, be specifically related to a kind of heavy duty grinding wheel, and further disclose its processing method.
Background technology
Emery wheel to form for main manufacture with abrasive material and is applied in the important cutting element on grinding machine, is generally the circular bonded abrasive tool having through hole with the central authorities that abrasive material and bonding agent etc. are made.Emery wheel is the one that in grinding tool, consumption is maximum, use face is the widest, High Rotation Speed during use, is suitable for processing various metal and nonmetallic materials.In material processing, whether suitable the selection of emery wheel is, directly affects grinding performance and the machining accuracy of grinding machine, and therefore emery wheel is the key factor playing performance of grinding machine.
Plate blank sharpening machine is that smelter carries out the equipment of Surface Machining to stainless steel casting blank, and through the grinding of emery wheel to billet surface, removing oxide layer and blemish, is one of important means of improving the quality of products.The key factor affecting this process cost is metal removal rate and grinding ratio: the metal removal rate weight metal ground off in the unit interval is evaluated, and grinding ratio refers to the ratio of the emery wheel weight of weight metal and the consumption ground off.According to grinding principle of dynamics, reach large metal removal rate, main method improves linear velocity and the increase grinding force of emery wheel.But improving grinding force and grinding speed can affect emery wheel service life, and therefore, the selection for steel blank regrinding operation medium plain emery wheel has crucial effect.
Current, what the steel blank regrinding operation of steel enterprise used is generally plain wheel, the labour intensity of workman is large, operating environment inclement condition, affects the health of human body etc. of workman, Wheel hardness uniformity, physical dimension, low precision, be difficult to reach more than 80 meter per seconds, automation grinding and grinding at regular time and quantity can not be adapted to, crushing often, complex procedures.Consume large, its quality can not meet high-end Special Steel Enterprise demand far away, can not adapt to the grinding of the steel billets such as steel industry, steel, and Some Domestic producer have also been made some and improves, but DeGrain.Thereafter, steel blank regrinding operation General development is for adopting vitrified bonded grinding wheel and resin bond wheel process, but due to vitrified bonded grinding wheel revolving strength, impact strength, to be all not so good as resin bond wheel high, therefore progressively instead of vitrified bonded grinding wheel by resin bond wheel afterwards.
Namely heavy duty grinding wheel is develop under this object, and it mainly uses resinoid bond, and the grinding efficiency of resin heavy load occupies first of other various grinding tool.It is mainly used in the removing surface etc. to the reconditioning of steel ingot, steel billet, steel plate and various foundry goods in steel and iron industry.Therefore again this emery wheel being referred to as snagging abrasive wheel or mill steel billet emery wheel, its development depends on the development of steel and iron industry, and the development of corresponding high-efficiency grinding machine.
At present, the heavy duty grinding wheel of domestic production is also in the primary stage, and technical Problems existing is that yield rate is low, easily broken during use; The shortcoming existed is that dust large pollution operating environment and grinding efficiency are low.Trace it to its cause, the production Problems existing of heavy duty grinding wheel and shortcoming mainly do not reach most perfect condition due to the technical formula of manufacturer, and all raw material does not reach the most desirable yet; And in shaping compacting with burn till on hardening process and there is a lot of defect, do not reach caused by desirable state of the art.Although Fig. 1 gives the structure of the heavy duty grinding wheel of a kind of prior art at middle strengthening and improving, namely add aluminium ring 2 in center, add support component 3 strengthen inside working lining 1, the performance of whole emery wheel still cannot meet the demands.
Summary of the invention
For this reason, it is low, easily broken that technical problem to be solved by this invention to be in prior art that heavy duty grinding wheel exists yield rate, and the problem that grinding efficiency is low, and then a kind of heavy duty grinding wheel is provided, and its processing method is disclosed further.
For solving the problems of the technologies described above, heavy duty grinding wheel of the present invention, the center of described emery wheel is provided with axis hole, described heavy duty grinding wheel is prepared from by following component: C120# granularity sand 10-15 weight portion, 8# fused alumina zirconia 50-75 weight portion, 12# fused alumina zirconia 20-35 weight portion, 14# fused alumina zirconia 20-30 weight portion, 24# fused alumina zirconia 6-10 weight portion, 80# fused alumina zirconia 1-3 weight portion, butyral 0.2-0.5 weight portion, alkali-free short glass fiber 9-12.5 weight portion, novel phenolic resin 9-13 weight portion, Germany resin PF065114-20 weight portion, furfural 0.4-0.6 parts by volume, orfloxacin potassium KEP24-6 weight portion, red pyroxene PYROX9-12 weight portion, ice crystal 4-6 weight portion, barite 2-4 weight portion, the pass of described weight portion and parts by volume is the relation of kg/L.
Preferably, described heavy duty grinding wheel is prepared from by following component: C120# granularity sand 11.3 weight portion, 8# fused alumina zirconia 60 weight portion, 12# fused alumina zirconia 28 weight portion, 14# fused alumina zirconia 26 weight portion, 24# fused alumina zirconia 8 weight portion, 80# fused alumina zirconia 2 weight portion, butyral 0.3kg, alkali-free short glass fiber 11 weight portion, novel phenolic resin 10.8 weight portion, German resin PF065117.5 weight portion, furfural 0.5 parts by volume, KEP24.7 weight portion, PYROX1.06 weight portion, ice crystal 5 weight portion, barite 3 weight portion.
More excellent, described heavy duty grinding wheel divide for be prepared from by different material in layer segment and outer section; Wherein,
Described interior layer segment is prepared from by following component: C120# granularity sand 10-15 weight portion, furfural 0.4-0.6 parts by volume, butyral 0.2-0.5 weight portion, alkali-free short glass fiber 2-3.5 weight portion, novel phenolic resin 3-4 weight portion, German resin PF06512-4 weight portion, KEP21-2 weight portion;
Described outer section is prepared from by following component: 8# fused alumina zirconia 50-75 weight portion, 12# fused alumina zirconia 20-35 weight portion, 14# fused alumina zirconia 20-30 weight portion, 24# fused alumina zirconia 6-10 weight portion, 80# fused alumina zirconia 1-3 weight portion, alkali-free short glass fiber 7-9 weight portion, novel phenolic resin 6-9 weight portion, German resin PF065112-16 weight portion, KEP23-4 weight portion, PYROX9-12 weight portion, ice crystal 4-6 weight portion, barite 2-4 weight portion.
Optimum, in described heavy duty grinding wheel:
Described interior layer segment is prepared from by following component: C120# granularity sand 11.3 weight portion, furfural 0.5 parts by volume, butyral 0.3 weight portion, alkali-free short glass fiber 2.8 weight portion, novel phenolic resin 3.3 weight portion, German resin PF06513 weight portion, KEP21.5 weight portion;
Described outer section is prepared from by following component: 8# fused alumina zirconia 60 weight portion, 12# fused alumina zirconia 28 weight portion, 14# fused alumina zirconia 26 weight portion, 24# fused alumina zirconia 8 weight portion, 80# fused alumina zirconia 2 weight portion, alkali-free short glass fiber 8.2 weight portion, novel phenolic resin 7.5 weight portion, German resin PF065114.5 weight portion, KEP23.2 weight portion, PYROX10.6 weight portion, ice crystal 5 weight portion, barite 3 weight portion.
The outside dimension of described interior layer segment is not more than Φ 450.
Outer support component is provided with between the described interior layer segment of described heavy duty grinding wheel and described outer section.
Internal layer support component is provided with between the described interior layer segment of described heavy duty grinding wheel.
Described support component is steel ring.
The invention also discloses a kind of method of processing described heavy duty grinding wheel, comprise the steps:
(1) interior layer segment is shaping: choose according to selected parts by weight each raw material blending preparing described interior layer segment, selected mould also feeds intake, and described internal layer support component is added in the process forming described lining component, carry out first time compacting subsequently, form internal layer base substrate;
(2) described outer support component is added on described internal layer base substrate top;
(3) outer section is shaping: each raw material blending choosing the described outer section of preparation according to selected parts by weight, and feeds intake outside described internal layer base substrate, suppresses subsequently, to obtain final product.
In described step (1), the material forming described interior layer segment adopts the mode of step feeding: described mixed material is divided into some parts of step feedings, and after every part of material, adds described internal layer support component.
In described step (1) and/or described step (3), the condition of described pressing step is: the heat pressing process flow process adopting Post RDBMS of first exitting.
The mode that heavy duty grinding wheel of the present invention adopts inside and outside layer segment to process respectively, the two-part raw material of meticulous screening and proportioning, two kinds of granularity sands are in conjunction with being the compacting of fine granularity sand within Φ 450, and object increases the overall revolving strength of emery wheel, prevents it in use broken.And preferred described interior layer segment with C120# granularity sand for raw material, revolving strength after fine granularity sand is combined with resin glue is higher than thick granularity sand intensity more than 20%, and this interior layer segment is as non-working surface, its size be limited to be not more than Φ 450 scope in, part beyond Φ 450 is then outer section working face, is used for grinding steel plate or round steel blank.Higher in order to what carried by strength criterion, in non-working surface, be bumped into some steel rings, object is also improve revolving strength, in use not broken with absolute guarantee's product.Therefore, heavy duty grinding wheel of the present invention has not easily broken and that grinding efficiency is higher advantage.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein,
Fig. 1 is the structural representation of heavy duty grinding wheel in prior art;
Fig. 2 is the structural representation of heavy duty grinding wheel of the present invention;
Fig. 3 is the process chart of processing heavy duty grinding wheel of the present invention;
In figure, Reference numeral is expressed as: 1-working lining, 2-aluminium ring, 3-support component, 4-axis hole, layer segment in 5-, 6-outer section, 7-steel ring.
Detailed description of the invention
As shown in Figure 2, heavy duty grinding wheel of the present invention, the center is provided with axis hole 4, described heavy duty grinding wheel divide for be prepared from by different material in layer segment 5 and outer section 6, described interior layer segment is as non-working surface, its external diameter is no more than Φ 450, and the part being greater than Φ 450 of described internal layer portion outboard is then described outer section, and it uses as working face.In structure as shown in the figure, be provided with multilayer steel ring 7 between the interior layer segment of described emery wheel as internal layer support component, and be also provided with steel ring as outer support component between described interior layer segment and described outer section.Following embodiment sets forth and is suitable for preparing the interior layer segment of heavy duty grinding wheel of the present invention and the formula of outer section.
Process chart as shown in Figure 3 gives the concrete steps preparing described heavy duty grinding wheel:
(1) interior layer segment is shaping: choose according to selected parts by weight each raw material blending preparing described interior layer segment, and described raw material is divided into four parts; Selected die needed after, carrying out first time feeds intake, and adds steel ring as described internal layer support component after striking off; And carry out second time subsequently and feed intake, add steel ring after striking off as described internal layer support component; Carrying out third time again feeds intake, and adds steel ring subsequently as described internal layer support component, then carries out the 4th time and feed intake, and then carries out first time compacting, described pressing operation to cover evenly being advisable of support component, formation internal layer base substrate;
(2) adding described steel ring on described internal layer base substrate top can not as described outer support component;
(3) outer section is shaping: each raw material blending choosing the described outer section of preparation according to selected parts by weight, and disposable feeding intake is carried out outside described internal layer base substrate, carry out second time compacting subsequently, described pressing operation is to ensure that its base substrate solid shape is advisable, finally base substrate is carried out third time compacting, adopt the heat pressing process flow process of Post RDBMS of first exitting and get final product.
The present invention prepares the selection focusing on internal layer segment and outer section raw materials of described heavy duty grinding wheel, its technique is only general common process, in above-mentioned production technology, the step of described compacting is only general Conventional procedures, under the object of each pressing step, those skilled in the art suitably can regulate the condition of compacting, all can realize object of the present invention and technique effect.
The processing of the heavy duty grinding wheel described in following each embodiment is all carried out according to aforementioned method steps.
Embodiment 1
Heavy duty grinding wheel described in the present embodiment divide for be prepared from by different material in layer segment and outer section, wherein:
Described interior layer segment is prepared from by following component: C120# granularity sand 10kg, furfural 0.6L, butyral 0.2-0.5 weight portion kg, alkali-free short glass fiber 3.5kg, novel phenolic resin 3kg, German resin PF06514kg, KEP21kg;
Described outer section is prepared from by following component: 8# fused alumina zirconia 50kg, 12# fused alumina zirconia 35kg, 14# fused alumina zirconia 20kg, 24# fused alumina zirconia 10kg, 80# fused alumina zirconia 1kg, alkali-free short glass fiber 9kg, novel phenolic resin 6jg, German resin PF065116kg, KEP23kg, PYROX12kg, ice crystal 4kg, barite 4kg.
Embodiment 2
Heavy duty grinding wheel described in the present embodiment divide for be prepared from by different material in layer segment and outer section, wherein:
Described interior layer segment is prepared from by following component: C120# granularity sand 15kg, furfural 0.4L, butyral 0.5kg, alkali-free short glass fiber 2kg, novel phenolic resin 4kg, German resin PF06512kg, KEP22kg;
Described outer section is prepared from by following component: 8# fused alumina zirconia 75kg, 12# fused alumina zirconia 20kg, 14# fused alumina zirconia 30kg, 24# fused alumina zirconia 6kg, 80# fused alumina zirconia 3kg, alkali-free short glass fiber 7kg, novel phenolic resin 9kg, German resin PF065112kg, KEP24kg, PYROX9kg, ice crystal 6kg, barite 2kg.
Embodiment 3
Heavy duty grinding wheel described in the present embodiment divide for be prepared from by different material in layer segment and outer section, wherein:
Described interior layer segment is prepared from by following component: C120# granularity sand 11.3kg, furfural 0.5L, butyral 0.3kg, alkali-free short glass fiber 2.8kg, novel phenolic resin 3.3kg, German resin PF06513kg, KEP21.5kg;
Described outer section is prepared from by following component: 8# fused alumina zirconia 60kg, 12# fused alumina zirconia 28kg, 14# fused alumina zirconia 26kg, 24# fused alumina zirconia 8kg, 80# fused alumina zirconia 2kg, alkali-free short glass fiber 8.2kg, novel phenolic resin 7.5kg, German resin PF065114.5kg, KEP23.2kg, PYROX10.6kg, ice crystal 5kg, barite 3kg.
Embodiment 4
Heavy duty grinding wheel described in the present embodiment divide for be prepared from by different material in layer segment and outer section, wherein:
Described interior layer segment is prepared from by following component: C120# granularity sand 10.6kg, furfural 0.55L, butyral 0.25kg, alkali-free short glass fiber 3.1kg, novel phenolic resin 3.1kg, German resin PF06513.5kg, KEP21.3kg;
Described outer section is prepared from by following component: 8# fused alumina zirconia 55kg, 12# fused alumina zirconia 30kg, 14# fused alumina zirconia 23kg, 24# fused alumina zirconia 9kg, 80# fused alumina zirconia 1.5kg, alkali-free short glass fiber 8.6kg, novel phenolic resin 6.8kg, German resin PF065115.5kg, KEP23.1kg, PYROX11.2kg, ice crystal 4.5kg, barite 3.5kg.
Embodiment 5
Heavy duty grinding wheel described in the present embodiment divide for be prepared from by different material in layer segment and outer section, wherein:
Described interior layer segment is prepared from by following component: C120# granularity sand 13.3kg, furfural 0.45L, butyral 0.4kg, alkali-free short glass fiber 2.4kg, novel phenolic resin 3.6kg, German resin PF06512.5kg, KEP21.8kg;
Described outer section is prepared from by following component: 8# fused alumina zirconia 65kg, 12# fused alumina zirconia 24kg, 14# fused alumina zirconia 28kg, 24# fused alumina zirconia 7kg, 80# fused alumina zirconia 2.5kg, alkali-free short glass fiber 7.5kg, novel phenolic resin 8.2kg, German resin PF065113.5kg, KEP23.6kg, PYROX9.6kg, ice crystal 5.5kg, barite 2.5kg.
Carry out comparative evaluation to the performance of the imported product of the heavy duty grinding wheel product prepared in above-described embodiment 1 and existing use, its comparing result sees the following form.Wherein, sequence number 1 product is imported product, and No. 2 products are the product that the embodiment of the present invention 1 obtains, and testing equipment is import MJ915 type milling drum, and pressure is 1T, and revolution is 1680 revs/min, and test material is Φ 500 round steel, convex-concave degree 0.5-0.7mm.
Table 1 grinding performance test comparison data
Can be found out by above-mentioned Data Comparison, under the same conditions, the durability of the product that the present invention produces is tending towards close relative to import, and grinding ratio increases relatively, also embodies advantage of the present invention, can substitute import further, realizes production domesticization.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (10)
1. a heavy duty grinding wheel, the center of described emery wheel is provided with axis hole, it is characterized in that, described heavy duty grinding wheel is prepared from by following component: C120# granularity sand 10-15 weight portion, 8# fused alumina zirconia 50-75 weight portion, 12# fused alumina zirconia 20-35 weight portion, 14# fused alumina zirconia 20-30 weight portion, 24# fused alumina zirconia 6-10 weight portion, 80# fused alumina zirconia 1-3 weight portion, butyral 0.2-0.5 weight portion, alkali-free short glass fiber 9-12.5 weight portion, novel phenolic resin 9-13 weight portion, Germany resin PF065114-20 weight portion, furfural 0.4-0.6 parts by volume, orfloxacin potassium KEP24-6 weight portion, red pyroxene PYROX9-12 weight portion, ice crystal 4-6 weight portion, barite 2-4 weight portion, the pass of described weight portion and parts by volume is the relation of kg/L.
2. heavy duty grinding wheel according to claim 1, it is characterized in that, described heavy duty grinding wheel is prepared from by following component: C120# granularity sand 11.3 weight portion, 8# fused alumina zirconia 60 weight portion, 12# fused alumina zirconia 28 weight portion, 14# fused alumina zirconia 26 weight portion, 24# fused alumina zirconia 8 weight portion, 80# fused alumina zirconia 2 weight portion, butyral 0.3kg, alkali-free short glass fiber 11 weight portion, novel phenolic resin 10.8 weight portion, Germany's resin 17.5 weight portion, furfural 0.5 parts by volume, orfloxacin potassium KEP24.7 weight portion, red pyroxene PYROX1.06 weight portion, ice crystal 5 weight portion, barite 3 weight portion.
3. heavy duty grinding wheel according to claim 1 and 2, is characterized in that, described heavy duty grinding wheel divide for be prepared from by different material in layer segment and outer section; Wherein,
Described interior layer segment is prepared from by following component: C120# granularity sand 10-15 weight portion, furfural 0.4-0.6 parts by volume, butyral 0.2-0.5 weight portion, alkali-free short glass fiber 2-3.5 weight portion, novel phenolic resin 3-4 weight portion, German resin 2-4 weight portion, orfloxacin potassium KEP21-2 weight portion;
Described outer section is prepared from by following component: 8# fused alumina zirconia 50-75 weight portion, 12# fused alumina zirconia 20-35 weight portion, 14# fused alumina zirconia 20-30 weight portion, 24# fused alumina zirconia 6-10 weight portion, 80# fused alumina zirconia 1-3 weight portion, alkali-free short glass fiber 7-9 weight portion, novel phenolic resin 6-9 weight portion, German resin 12-16 weight portion, orfloxacin potassium KEP23-4 weight portion, red pyroxene PYROX9-12 weight portion, ice crystal 4-6 weight portion, barite 2-4 weight portion.
4. heavy duty grinding wheel according to claim 3, is characterized in that, in described heavy duty grinding wheel:
Described interior layer segment is prepared from by following component: C120# granularity sand 11.3 weight portion, furfural 0.5 parts by volume, butyral 0.3 weight portion, alkali-free short glass fiber 2.8 weight portion, novel phenolic resin 3.3 weight portion, German resin 3 weight portion, orfloxacin potassium KEP21.5 weight portion;
Described outer section is prepared from by following component: 8# fused alumina zirconia 60 weight portion, 12# fused alumina zirconia 28 weight portion, 14# fused alumina zirconia 26 weight portion, 24# fused alumina zirconia 8 weight portion, 80# fused alumina zirconia 2 weight portion, alkali-free short glass fiber 8.2 weight portion, novel phenolic resin 7.5 weight portion, German resin 14.5 weight portion, orfloxacin potassium KEP23.2 weight portion, red pyroxene PYROX10.6 weight portion, ice crystal 5 weight portion, barite 3 weight portion.
5., according to the arbitrary described heavy duty grinding wheel of claim 1-4, it is characterized in that, the outside dimension of described interior layer segment is not more than Φ 450.
6. heavy duty grinding wheel according to claim 5, is characterized in that, is provided with outer support component between the described interior layer segment of described heavy duty grinding wheel and described outer section.
7. heavy duty grinding wheel according to claim 6, is characterized in that, is provided with internal layer support component between the described interior layer segment of described heavy duty grinding wheel.
8. process a method for the arbitrary described heavy duty grinding wheel of claim 1-7, it is characterized in that, comprise the steps:
(1) interior layer segment is shaping: choose according to selected parts by weight each raw material blending preparing described interior layer segment, selected mould also feeds intake, and described internal layer support component is added in the process forming described lining component, carry out first time compacting subsequently, form internal layer base substrate;
(2) described outer support component is added on described internal layer base substrate top;
(3) outer section is shaping: each raw material blending choosing the described outer section of preparation according to selected parts by weight, and feeds intake outside described internal layer base substrate, suppresses subsequently, to obtain final product.
9. the method for the described heavy duty grinding wheel of processing according to claim 8, it is characterized in that, in described step (1), the material forming described interior layer segment adopts the mode of step feeding: described mixed material is divided into some parts of step feedings, and after every part of material, adds described internal layer support component.
10. the method for the described heavy duty grinding wheel of processing according to claim 8 or claim 9, it is characterized in that, in described step (1) and/or described step (3), the condition of described pressing step is: the heat pressing process flow process adopting Post RDBMS of first exitting.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856082A (en) * | 2016-06-08 | 2016-08-17 | 倪玉明 | Railway rail grinding wheel |
| CN107081685A (en) * | 2017-07-05 | 2017-08-22 | 李树斌 | Emery wheel with pre-buried reinforcement |
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| CN102653078A (en) * | 2012-05-16 | 2012-09-05 | 常州市洪福砂轮有限公司 | Resin sand wheel containing sulfuric acid slag for milling steel rail |
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| CN103600313A (en) * | 2013-11-21 | 2014-02-26 | 江苏苏北砂轮厂有限公司 | Heavy-duty grinding wheel hot-pressing method |
| CN104625978A (en) * | 2013-11-14 | 2015-05-20 | 江苏华辰磨料磨具有限公司 | Large-standard high-speed resin heavy duty grinding wheel for grinding steel billet |
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| CN102161183A (en) * | 2010-10-25 | 2011-08-24 | 江苏华东砂轮有限公司 | High-speed resin heavy-load grinding wheel |
| CN102513947A (en) * | 2011-09-20 | 2012-06-27 | 宁波鼎鑫砂轮制造有限公司 | Manufacturing method of heavy-duty grinding resin wheel |
| CN102653078A (en) * | 2012-05-16 | 2012-09-05 | 常州市洪福砂轮有限公司 | Resin sand wheel containing sulfuric acid slag for milling steel rail |
| CN102825557A (en) * | 2012-07-31 | 2012-12-19 | 安徽威铭耐磨材料有限公司 | Polyvinyl acetal resin grinding wheel and production method thereof |
| CN104625978A (en) * | 2013-11-14 | 2015-05-20 | 江苏华辰磨料磨具有限公司 | Large-standard high-speed resin heavy duty grinding wheel for grinding steel billet |
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Cited By (2)
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| CN105856082A (en) * | 2016-06-08 | 2016-08-17 | 倪玉明 | Railway rail grinding wheel |
| CN107081685A (en) * | 2017-07-05 | 2017-08-22 | 李树斌 | Emery wheel with pre-buried reinforcement |
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