CN109290964A - A kind of high efficiency railing polishing grinding wheel and preparation method thereof - Google Patents
A kind of high efficiency railing polishing grinding wheel and preparation method thereof Download PDFInfo
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- CN109290964A CN109290964A CN201811308415.XA CN201811308415A CN109290964A CN 109290964 A CN109290964 A CN 109290964A CN 201811308415 A CN201811308415 A CN 201811308415A CN 109290964 A CN109290964 A CN 109290964A
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- grinding wheel
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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
- B24D18/0054—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for by impressing abrasive powder in a matrix
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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
- B24D3/02—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 bonding agent
- B24D3/20—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 bonding agent and being essentially organic
- B24D3/28—Resins or natural or synthetic macromolecular compounds
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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
- B24D7/18—Wheels of special form
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a kind of high efficiency railing polishing grinding wheels, including big grinding wheel and small grinding wheel, the center of the big grinding wheel and small grinding wheel offers square hole, the big grinding wheel and small grinding wheel include plastic basic unit, first resin layer, second resin layer and abrasive material, the surface of the plastic basic unit offers anti-skid chequer, the bottom of the plastic basic unit is fixedly connected with the top surface of the first resin layer, the top of the plastic basic unit is fixedly connected with the bottom of the second resin layer, the outer surface of first resin layer and the second resin layer is fixedly connected with the inner surface of abrasive material, it is related to grinding wheel technical field.High efficiency railing polishing grinding wheel, by the way that consistent big grinding wheel and small grinding wheel in addition to diameter is arranged, and it is staggeredly applied in combination when in use, it can make to form a gap between two big grinding wheel and the small grinding wheel of centre, the shafts such as railing can be entangled, multi-angle is polished railing simultaneously, substantially increases the efficiency of polishing, and easy to use.
Description
Technical field
The present invention relates to grinding wheel technical field, specially a kind of high efficiency railing polishing grinding wheel and preparation method thereof.
Background technique
Grinding wheel is also known as bonded abrasive tool, grinding wheel be by bonding agent by conventional abrasive material be consolidated into certain shapes (majority is circle, in
There is through-hole in centre), and the bonded abrasive tool with some strength.It is generally made of abrasive material, bonding agent and stomata, this three parts often claims
For the three elements of bonded abrasive tool.According to the different classifications of bonding agent, ceramic (bonding agent) grinding wheel, resin (bonding agent) common are
Grinding wheel, rubber (bonding agent) grinding wheel.Grinding wheel is one kind that dosage is maximum in grinding tool, using face is most wide, high speed rotation when use, can
The outer circle of metal or non-metal workpiece, inner circle, plane and various type faces etc. are roughly ground, half refine and fine grinding and fluting and
Cutting etc..Resin wheel is the grinding wheel being made into resin, such as phenolic aldehyde, epoxy, polyurethane, polyvinyl alcohol etc.；Resin wheel is strong
Degree is high, reinforcing fibre net and reinforcing bar, such as cutting sheet, grinding can be added in grinding wheel, we do not prevent most resin wheel
Water, it is not possible to be ground with grinding fluid, also some need to be added resin wheels that grinding fluid is ground, such as epoxy, resin wheel certainly
Grinding finish it is good, workpiece is not easy to burn, and resin wheel is applied in cutting sheet, Double End, heavy duty grinding wheel, polishing wheel,
Etc., the intensity of resin bond wheel is compared with metallic bond and the low of vitrified bond
Existing wheel sander needs to polish to a circle, because polishing connects when polishing the thin rod shapes objects such as railing
Contacting surface is smaller, and turning around, it is more time-consuming to be polished, and working efficiency is low, influences the progress of engineering or production, and more existing
Grinding wheel, be monolithic pressed at, it is more for the consuming of material.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of high efficiency railing polishing grinding wheel and preparation method thereof, solutions
Existing wheel sander of having determined turns around and polishes when polishing the thin rod shapes objects such as railing because polishing contact surface is smaller
More time-consuming, working efficiency is low, and existing some grinding wheels be monolithic pressed at, expend the more problem of material.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of high efficiency railing polishing grinding wheel,
Including big grinding wheel and small grinding wheel, the center of the big grinding wheel and small grinding wheel offers square hole, and the big grinding wheel and small grinding wheel are equal
Including plastic basic unit, the first resin layer, the second resin layer and abrasive material, the surface of the plastic basic unit offers anti-skid chequer, institute
The bottom for stating plastic basic unit is fixedly connected with the top surface of the first resin layer, the top of the plastic basic unit and the second resin layer
Bottom be fixedly connected, the outer surface of first resin layer and the second resin layer is fixedly connected with the inner surface of abrasive material.
The invention also discloses a kind of production methods of high efficiency railing polishing grinding wheel, specifically includes the following steps:
Step 1: stock: preparing sufficient phenolic resin, epoxy resin, carbonization silicon grain, Paris white and bonding agent etc.
Material, customizes the grinding wheel die of big grinding wheel and small grinding wheel, the first resin layer and the quantitative mold and plastic basic unit of the second resin layer
Injection mold, and the square tube being adapted to square hole.
Step 2: square tube is placed in injection mold, plastics are injected in injection mold and are formed, then modeling after shaping
Expect uniform anti-skid chequer to be scraped on plastic basic unit surface with the scraper with equidistant tooth, then outside plastic basic unit in base
The intermediate marking of disc is retained spare.
It is mixed, stirs Step 3: calcium carbonate powder is put into batch mixer with phenolic resin and epoxy resin respectively
Process keeps heating, and bonding agent is added after 1 hour in stirring, is mixed 1 hour, then takes out two kinds of mixed materials again,
10 minutes are stood, naturally cooling to mixture, mixing is thick, and calcium carbonate powder and phenolic resin mixture are the first resin
The raw material of layer, calcium carbonate powder and mixture of epoxy resins are the raw material of the second resin layer.
Step 4: square tube is placed on the centre of quantitative mold, by the raw material of the second resin layer it is a small amount of pour into quantitative mold
Interior shop fixtures, plastic basic unit is covered in square tube, is immersed plastic basic unit lower half portion in the second resin layer, is suitably mended according to liquid level
The second resin layer is filled, its liquid level is made to reach graduation mark position, is then allowed to stand 3 hours, solidifies the second resin layer substantially.
Step 5: being heated, being made with surface blowing hot-air of the air-heater at the top of it when the second resin layer does not solidify completely
Then melt surface at the top of it pours into the first resin layer raw material of sticky state in quantitative mold, it is made to submerge plastic basic unit
And reach the designated position of quantitative mold, and it is then allowed to stand 3 hours, solidifies the second resin layer substantially, it at this time can be by the first resin
Layer, the second resin layer, plastic basic unit and square tube are integrally taken out.
Step 6: silicon carbide is heated to high temperature with heating kettle, and grinding wheel die is heated to compared with Warm status, first square tube
It is placed on the centre grinding wheel die, the silicon carbide of high temperature is then taken into the evenly laid out bottom in grinding wheel die in part, meanwhile,
High-temperature hot-air is blown to the first resin layer, the second resin layer surface with air-heater, makes its melt surface, then by its first resin
Layer, the second resin layer, plastic basic unit and square tube are integrally put into grinding wheel grinding tool, then quickly that remaining high-temperature carborundum is uniform
It is poured in grinding wheel grinding tool, and carries out surfacing.
Step 7: being covered in square tube with the pressing plate being adapted to grinding wheel shape, and uniform with press machine after material is placed
It pushes, infilters the first resin layer of melt surface, the second resin layer in silicon carbide, then integrally take out mold and grinding wheel etc.,
The cooled and solidified under room temperature or low-temperature condition, finally taking out becomes finished product grinding wheel, and inspection is sampled before storage.
Preferably, the ratio of phenolic resin and epoxy resin and Paris white and bonding agent is 2:1:1.
Preferably, the integral thickness of the first resin layer and the second resin layer is both needed to be consistent.
Preferably, square tube is metal tube, high temperature resistant, and heated is unlikely to deform.
Preferably, the first resin layer and the second resin layer original depth and silicon carbide granulosa [abrasive material and the second resin layer
It can sufficiently infilter that abrasive material is consistent with small grinding wheel thickness, and processing method is consistent in addition to diameter.
(3) beneficial effect
The present invention provides a kind of high efficiency railing polishing grinding wheels and preparation method thereof.Compared with prior art, have with
It is lower the utility model has the advantages that
(1), high efficiency railing polishing grinding wheel and preparation method thereof, by being opened up at the center of big grinding wheel and small grinding wheel
There is a square hole, big grinding wheel and small grinding wheel include plastic basic unit, the first resin layer, the second resin layer and abrasive material, big grinding wheel and small
Grinding wheel thickness is consistent, and processing method is consistent in addition to diameter, by being arranged consistent big grinding wheel and small grinding wheel in addition to diameter, and
It is staggeredly applied in combination when use, can make to form a gap between two big grinding wheel and the small grinding wheel of centre, it can be by bars such as railings
Shape object entangles, and multi-angle is polished railing simultaneously, substantially increases the efficiency of polishing, and easy to use.
(2), high efficiency railing polishing grinding wheel and preparation method thereof, by the way that square tube to be placed in injection mold, by plastics
Molding in injection mold is injected, then on plastic basic unit after shaping, with the scraper with equidistant tooth in plastic basic unit table
Face scrapes uniform anti-skid chequer, then in the intermediate marking of plastic basic unit periphery, retains spare, the bottom of plastic basic unit
It is fixedly connected with the top surface of the first resin layer, the top of plastic basic unit is fixedly connected with the bottom of the second resin layer, is passed through
Plastic basic unit is set in the inside of grinding wheel, not only cost of material is low, easy processing, and the intensity of grinding wheel can be improved, and can also reduce mill
The use of material and resin, while the intensity taken turns by force can be improved, and anti-skid chequer is set on plastic basic unit surface, it can avoid the first resin
Layer and the second resin layer fall off, and the fastness of grinding wheel is effectively guaranteed.
(3), high efficiency railing polishing grinding wheel and preparation method thereof, by by calcium carbonate powder respectively with phenolic resin and
Epoxy resin is put into batch mixer and is mixed, and whipping process keeps heating, and stirring is added bonding agent after 1 hour, mixes again
Then stirring 1 hour takes out two kinds of mixed materials, stand 10 minutes, naturally cools to mixture and mixes thick, carbonic acid
Calcium powder and phenolic resin mixture are the raw material of the first resin layer, and calcium carbonate powder and mixture of epoxy resins are the second resin
The raw material of layer is used respectively by phenolic resin and epoxy resin synthetic resin layer in the two sides of grinding wheel for fixed abrasive layer, benefit
With the difference of phenolic resin and epoxy resin intensity, the abrasive material of same material is set to reach the different difficulties that falls off, even if grinding wheel
Different hardnesses is presented in two sides, by the cooperation of different sides, can reach better grinding effect, grinding efficiency also can be improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present invention big grinding wheel and small grinding wheel；
Fig. 2 is the structural schematic diagram of anti-skid chequer of the present invention；
Fig. 3 is the cross-sectional view of the big grinding wheel structure of the present invention.
In figure, the big grinding wheel of 1-, the small grinding wheel of 2-, 3- square hole, 4- plastic basic unit, the first resin layer of 5-, the second resin layer of 6-, 7-
Abrasive material, 8- anti-skid chequer.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the embodiment of the present invention provides a kind of technical solution: a kind of high efficiency railing polishing grinding wheel, including
The center of big grinding wheel 1 and small grinding wheel 2, big grinding wheel 1 and small grinding wheel 2 offers square hole 3, and big grinding wheel 1 and small grinding wheel 2 include modeling
Material base 4, the first resin layer 5, the second resin layer 6 and abrasive material 7, the surface of plastic basic unit 4 offer anti-skid chequer 8, plastics base
The bottom of layer 4 is fixedly connected with the top surface of the first resin layer 5, and the bottom of the top of plastic basic unit 4 and the second resin layer 6 is solid
Fixed connection, by the way that plastic basic unit 4 is arranged in the inside of grinding wheel, not only cost of material is low, easy processing, and the strong of grinding wheel can be improved
Degree, can also reduce the use of abrasive material and resin, while the intensity taken turns by force can be improved, and anti-skid chequer is arranged on 4 surface of plastic basic unit
8, it can avoid the first resin layer 5 and the second resin layer 6 and fall off, be effectively guaranteed the fastness of grinding wheel, the first resin layer 5 and the
The outer surface of two resin layers 6 is fixedly connected with the inner surface of abrasive material 7.
The invention also discloses a kind of production methods of high efficiency railing polishing grinding wheel, specifically includes the following steps:
Step 1: stock: preparing sufficient phenolic resin, epoxy resin, carbonization silicon grain, Paris white and bonding agent etc.
Material, customizes the grinding wheel die of big grinding wheel 1 and small grinding wheel 2, the first resin layer 5 and the quantitative mold and plastics of the second resin layer 6
The injection mold of base 4, and the square tube being adapted to square hole 3, square tube are metal tube, high temperature resistant, and heated are unlikely to deform.
Step 2: square tube is placed in injection mold, plastics are injected in injection mold and are formed, then modeling after shaping
Expect uniform anti-skid chequer 8 to be scraped on 4 surface of plastic basic unit with the scraper with equidistant tooth, then in plastic basic unit in base 4
The intermediate marking of 4 peripheries is retained spare.
It is mixed, stirs Step 3: calcium carbonate powder is put into batch mixer with phenolic resin and epoxy resin respectively
Process keeps heating, and bonding agent is added after 1 hour in stirring, is mixed 1 hour, then takes out two kinds of mixed materials again,
10 minutes are stood, naturally cooling to mixture, mixing is thick, and calcium carbonate powder and phenolic resin mixture are the first resin
The raw material of layer 5, calcium carbonate powder and mixture of epoxy resins are the raw material of the second resin layer 6, are used respectively in the two sides of grinding wheel
Fixed abrasive layer 7 is used for by phenolic resin and epoxy resin synthetic resin layer, not using phenolic resin and epoxy resin intensity
Together, so that the abrasive material of same material is reached the different difficulties that falls off and pass through difference even if different hardnesses is presented in grinding wheel two sides
The cooperation in face can reach better grinding effect, grinding efficiency also can be improved, phenolic resin and epoxy resin are resin wheel
Common material, but the intensity after epoxy resin solidification be greater than phenolic resin, phenolic resin and epoxy resin and Paris white with
And the ratio of bonding agent is 2:1:1.
Step 4: square tube is placed on the centre of quantitative mold, by the raw material of the second resin layer 6 it is a small amount of pour into quantitative mold
Interior shop fixtures immerses 4 lower half portion of plastic basic unit in the second resin layer 64 sets of plastic basic unit in square tube, suitable according to liquid level
When supplementing the second resin layer 6, so that its liquid level is reached graduation mark position, be then allowed to stand 3 hours, makes the second solidification substantially of resin layer 6.
Step 5: heated when the second resin layer 6 does not solidify completely with surface blowing hot-air of the air-heater at the top of it,
Make the melt surface at the top of it, then pour into 5 raw material of the first resin layer of sticky state in quantitative mold, it is made to submerge plastics base
Layer 4 and the designated position for reaching quantitative mold, are then allowed to stand 3 hours, make the second solidification substantially of resin layer 6, at this time can be by first
Resin layer 5, the second resin layer 6, plastic basic unit 4 are integrally taken out with square tube, the whole thickness of the first resin layer 5 and the second resin layer 6
Degree is both needed to be consistent.
Step 6: silicon carbide is heated to high temperature with heating kettle, and grinding wheel die is heated to compared with Warm status, first square tube
It is placed on the centre grinding wheel die, the silicon carbide of high temperature is then taken into the evenly laid out bottom in grinding wheel die in part, meanwhile,
High-temperature hot-air is blown to the first resin layer 5,6 surface of the second resin layer with air-heater, makes its melt surface, then by its first resin
The 5, second resin layer 6 of layer, plastic basic unit 4 and square tube are integrally put into grinding wheel grinding tool, then quickly by remaining high-temperature carborundum
It is uniformly poured in grinding wheel grinding tool, and carries out surfacing, the first resin layer 5 and 6 original depth of the second resin layer and the silicon grain that is carbonized
The thickness ratio of layer [abrasive material 7)] is 1:1.5.
Step 7: being covered in square tube with the pressing plate being adapted to grinding wheel shape, and uniform with press machine after material is placed
It pushes, infilters melt surface the first resin layer 5, the second resin layer 6 in silicon carbide, then integrally take mold and grinding wheel etc.
Out, the cooled and solidified under room temperature or low-temperature condition, finally taking out becomes finished product grinding wheel, and inspection, press machine are sampled before storage
Pressure is 8MPa, guarantees that the first resin layer 5 and the second resin layer 6 can sufficiently infilter abrasive material 7), big grinding wheel 1 and small grinding wheel 2 are thick
Degree is consistent, and processing method is consistent in addition to diameter, by the way that consistent big grinding wheel 1 and small grinding wheel 2 in addition to diameter is arranged, and is using
When staggeredly be applied in combination, can make two big grinding wheel 1 and centre small grinding wheel 2 between formation one gap, can be rod-shaped by railing etc.
Object entangles, and multi-angle is polished railing simultaneously, substantially increases the efficiency of polishing, and easy to use.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
- The grinding wheel 1. a kind of high efficiency railing is polished, including big grinding wheel (1) and small grinding wheel (2), it is characterised in that: the big grinding wheel (1) it is offered square hole (3) with the center of small grinding wheel (2), the big grinding wheel (1) and small grinding wheel (2) include plastic basic unit (4), the surface of the first resin layer (5), the second resin layer (6) and abrasive material (7), the plastic basic unit (4) offers anti-skid chequer (8), the bottom of the plastic basic unit (4) is fixedly connected with the top surface of the first resin layer (5), the plastic basic unit (4) Top is fixedly connected with the bottom of the second resin layer (6), and the outer surface of first resin layer (5) and the second resin layer (6) is equal It is fixedly connected with the inner surface of abrasive material (7).
- 2. a kind of production method of high efficiency railing polishing grinding wheel according to claim 1, which is characterized in that specifically include Following steps:Step 1: stock: preparing the objects such as sufficient phenolic resin, epoxy resin, carbonization silicon grain, Paris white and bonding agent Material customizes the grinding wheel die of big grinding wheel (1) and small grinding wheel (2), the first resin layer (5) and the second resin layer (6) quantitative mold, With the injection mold of plastic basic unit (4), and the square tube being adapted to square hole (3).Step 2: square tube is placed in injection mold, plastics are injected in injection mold and are formed, then plastics base after shaping On layer (4), uniform anti-skid chequer (8) are scraped on plastic basic unit (4) surface with the scraper with equidistant tooth, then in plastics base The intermediate marking of layer (4) periphery, is retained spare.It is mixed Step 3: calcium carbonate powder is put into batch mixer with phenolic resin and epoxy resin respectively, whipping process Heating is kept, bonding agent is added after 1 hour in stirring, is mixed 1 hour, then takes out two kinds of mixed materials again, stands 10 minutes, naturally cooling to mixture, mixing was thick, and calcium carbonate powder and phenolic resin mixture are the first resin layer (5) Raw material, calcium carbonate powder and mixture of epoxy resins are the raw material of the second resin layer (6).Step 4: square tube is placed on the centre of quantitative mold, by the raw material of the second resin layer (6) pouring into quantitative mold on a small quantity Shop fixtures covers plastic basic unit (4) in square tube, immerses plastic basic unit (4) lower half portion in the second resin layer (6), according to liquid The appropriate supplement the second resin layer (6) in position, makes its liquid level reach graduation mark position, is then allowed to stand 3 hours, make the second resin layer (6) Basic solidification.Step 5: being heated, being made with surface blowing hot-air of the air-heater at the top of it when the second resin layer (6) does not solidify completely Then melt surface at the top of it pours into the first resin layer (5) raw material of sticky state in quantitative mold, it is made to submerge plastics base Layer (4) and the designated position for reaching quantitative mold, are then allowed to stand 3 hours, solidify the second resin layer (6) substantially, can incite somebody to action at this time First resin layer (5), the second resin layer (6), plastic basic unit (4) are integrally taken out with square tube.Step 6: silicon carbide is heated to high temperature with heating kettle, and grinding wheel die is heated to first being placed on square tube compared with Warm status The centre of grinding wheel die, the silicon carbide of high temperature is then taken into the evenly laid out bottom in grinding wheel die in part, meanwhile, with heat Blower blows high-temperature hot-air to the first resin layer (5), the second resin layer (6) surface, makes its melt surface, then by its first resin Layer (5), the second resin layer (6), plastic basic unit (4) and square tube are integrally put into grinding wheel grinding tool, then quickly by remaining high temperature Silicon carbide is uniformly poured in grinding wheel grinding tool, and carries out surfacing.Step 7: material place after, covered in square tube with the pressing plate being adapted to grinding wheel shape, and with press machine it is uniform under Pressure, infilters the first resin layer of melt surface (5), the second resin layer (6) in silicon carbide, then integrally takes mold and grinding wheel etc. Out, the cooled and solidified under room temperature or low-temperature condition, finally taking out becomes finished product grinding wheel, and inspection is sampled before storage.
- The grinding wheel 3. a kind of high efficiency railing according to claim 2 is polished, it is characterised in that: phenolic resin and epoxy resin It is 2:1:1 with the ratio of Paris white and bonding agent.
- The grinding wheel 4. a kind of high efficiency railing according to claim 2 is polished, it is characterised in that: the first resin layer (5) and the The integral thickness of two resin layers (6) is both needed to be consistent.
- The grinding wheel 5. a kind of high efficiency railing according to claim 2 is polished, it is characterised in that: square tube is metal tube, resistance to height Temperature, and be heated and be unlikely to deform.
- The grinding wheel 6. a kind of high efficiency railing according to claim 2 is polished, it is characterised in that: the first resin layer (5) and the Two resin layers (6) original depth and the thickness ratio of silicon carbide granulosa [abrasive material (7)] are 1:1.5.
- The grinding wheel 7. a kind of high efficiency railing according to claim 2 is polished, it is characterised in that: press pressure 8MPa, Guarantee that the first resin layer (5) and the second resin layer (6) can sufficiently infilter abrasive material (7).
- The grinding wheel 8. a kind of high efficiency railing according to claim 2 is polished, it is characterised in that: big grinding wheel (1) and small grinding wheel (2) consistency of thickness, processing method is consistent in addition to diameter.
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| CN201811308415.XA CN109290964B (en) | 2018-11-05 | 2018-11-05 | High-efficiency rail polishing grinding wheel and manufacturing method thereof |
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| CN201811308415.XA CN109290964B (en) | 2018-11-05 | 2018-11-05 | High-efficiency rail polishing grinding wheel and manufacturing method thereof |
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