CN107363743B - A kind of formula and processing method of cutting-grinding dual-purpose resin wheel - Google Patents
A kind of formula and processing method of cutting-grinding dual-purpose resin wheel Download PDFInfo
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- CN107363743B CN107363743B CN201710782824.2A CN201710782824A CN107363743B CN 107363743 B CN107363743 B CN 107363743B CN 201710782824 A CN201710782824 A CN 201710782824A CN 107363743 B CN107363743 B CN 107363743B
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Classifications
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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
-
- 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
- B24D3/285—Reaction products obtained from aldehydes or ketones
-
- 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
- B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
- B24D3/342—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent
- B24D3/344—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent the bonding agent being organic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
- B24D5/02—Wheels in one piece
- B24D5/04—Wheels in one piece with reinforcing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
- B24D5/12—Cut-off wheels
Abstract
The present invention provides a kind of formula of cutting-grinding dual-purpose resin wheel, and meter includes: 25-35 part of high-temperature calcination Brown Alundum, plates 15-25 parts of clothing white fused alumina, 40-60 parts of semi-crisp corundum, 5.0-8.0 parts of liquid phenolic resin, 13.0-17.0 parts of the powdered phenol-formaldehyde resin of 325-400 mesh, 3.0-5.0 parts of the potassium fluoborate of 400-600 mesh, 5.0-8.0 parts of the potassium fluoroaluminate of 400-600 mesh, 0.2-2.0 parts of 1.0-3.0 parts of molybdenum disulfide, the nanometer grade super fine calcium carbonate of 800-1000 mesh, 2.0-4.0 parts of lithopone of 600-800 mesh by weight ratio；The formula being used in mixed way using different materials, and the advantages of by specific process synthesis abrasive cut-off wheel and abrasive grinding wheel, so that cutting-grinding dual-purpose may be implemented in a piece of resin wheel, it is easy to use, without frequently replacing grinding wheel, a large amount of working hour is saved, processing efficiency is able to significant increase.
Description
Technical field
The present invention relates to metals to cut matching for throwing tool product technique field, in particular to a kind of cutting-grinding dual-purpose resin wheel
Side and processing method.
Background technique
Resin wheel mainly has abrasive cut-off wheel, abrasive grinding wheel, buffing wheel three categories by usage mode point.Resin cutting
Grinding wheel is widely used in the machining of metal material, abrasive cut-off wheel note because bond strength height, impact resistance, cutting speed are fast
The rigidity of heavy sand wheel, workpiece kerf width, notch burr size, whether there is or not burn, cutting speed, wheel lifes etc. for notch.Resin
Because having good toughness, certain elasticity, being not easy workpiece of burning, the grinding for being widely used in metal material adds abrasive grinding wheel
Work, abrasive grinding wheel are more focused on the flexibility of grinding process, the comfort for being ground feel, grinding efficiency, grinding accuracy, were ground
Journey grinding wheel not chipping not chip off-falling etc..Just because traditional abrasive cut-off wheel and abrasive grinding wheel performance emphasis are not quite similar, so two kinds
Grinding wheel has entirely different formula system and production process, as the continuous variation of the market demand and entire society are artificial
How the sharp increase of cost makes a kind of resin wheel that can have not only cut but also can be ground, and saves in grinding wheel user use process
Wasted working hour is loaded and unloaded in replacement constantly between abrasive cut-off wheel and abrasive grinding wheel, improves working efficiency, becomes each resin wheel
The big technical problem broken through is badly in need of in producer.
Summary of the invention
The present invention provides a kind of without frequently replacing grinding wheel, saving cutting for working hour to solve above-mentioned technical problem
Grind the formula and processing method of dual-purpose resin wheel.
To achieve the above object, the invention provides the following technical scheme:
A kind of formula of cutting-grinding dual-purpose resin wheel, by weight ratio meter include: 25-35 parts of high-temperature calcination Brown Alundum, plating
15-25 parts of clothing white fused alumina, 40-60 parts of semi-crisp corundum, 5.0-8.0 parts of liquid phenolic resin, 325-400 mesh powdered phenol-formaldehyde resin
13.0-17.0 parts, 3.0-5.0 parts of the potassium fluoborate of 400-600 mesh, 400-600 mesh 5.0-8.0 parts of potassium fluoroaluminate, 800-
The lithopone 2.0-4.0 of 0.2-2.0 parts of 1.0-3.0 parts of molybdenum disulfide, the nanometer grade super fine calcium carbonate of 1000 mesh, 600-800 mesh
Part；Wherein, the viscosity of the liquid phenolic resin is 750-1200mPas (25 DEG C), the high-temperature calcination Brown Alundum, plating clothing
Three kinds of white fused alumina, semi-crisp corundum abrasive materials are 36 mesh to the same grain size number between 60 mesh, and the total number of three kinds of abrasive materials keeps 100
Part is constant.
It by weight include: 25 parts of high-temperature calcination Brown Alundum, 36 purposes of 36 mesh as further scheme of the invention
Plate 15 parts of clothing white fused alumina, 5.0 parts of 60 parts of semi-crisp corundum, the liquid phenolic resin of 36 mesh, powdered phenol-formaldehyde resin 325-400 mesh 13.0
Part, 3.0 parts of potassium fluoborate 400-600 mesh, 5.0 parts of potassium fluoroaluminate 400-600 mesh, molybdenum disulfide 800-1000 mesh 1.0 part, nanometer
Grade 0.2 part of calcium carbonate superfine powder, 2.0 parts of lithopone 600-800 mesh.
It by weight include: 30 parts of high-temperature calcination Brown Alundum, 46 purposes of 46 mesh as further scheme of the invention
Plate 20 parts of clothing white fused alumina, 6.0 parts of 50 parts of semi-crisp corundum, the liquid phenolic resin of 46 mesh, powdered phenol-formaldehyde resin 325-400 mesh 15.0
Part, 4.0 parts of potassium fluoborate 400-600 mesh, 6.5 parts of potassium fluoroaluminate 400-600 mesh, molybdenum disulfide 800-1000 mesh 2.0 part, nanometer
Grade 1.0 parts of calcium carbonate superfine powder, 3.0 parts of lithopone 600-800 mesh.
It by weight include: 35 parts of high-temperature calcination Brown Alundum, 60 purposes of 60 mesh as further scheme of the invention
Plate 25 parts of clothing white fused alumina, 7.5 parts of 40 parts of semi-crisp corundum, the liquid phenolic resin of 60 mesh, powdered phenol-formaldehyde resin 325-400 mesh 16.5
Part, 5.0 parts of potassium fluoborate 400-600 mesh, 8.0 parts of potassium fluoroaluminate 400-600 mesh, molybdenum disulfide 800-1000 mesh 3.0 part, nanometer
Grade 2.0 parts of calcium carbonate superfine powder, 4.0 parts of lithopone 600-800 mesh.
The present invention provides a kind of processing methods of cutting-grinding dual-purpose resin wheel, method includes the following steps:
Step 101: each component being weighed up by the weight proportion requirement of formula, and is stored in corresponding container respectively
Interior carry out ingredient；
Step 102: the nanometer grade super fine calcium carbonate uniformly being ground into the liquid phenolic resin, nanoscale is made
Calcium carbonate superfine powder phenol-formaldehyde resin modified liquid；
Step 103: by the powdered phenol-formaldehyde resin, potassium fluoborate, the potassium fluoroaluminate, described in the formula
Molybdenum disulfide is put into pre- powder equipment and is uniformly mixed, and prefabricated powder is made；
Step 104: it is inverse first to put the high-temperature calcination Brown Alundum, the plating clothing white fused alumina, the semi-crisp corundum into double pots
It flows and is uniformly mixed in pot on mixing pot, nanometer grade super fine calcium carbonate phenol-formaldehyde resin modified liquid made from step 102 is then added,
And stir evenly, it is eventually adding the lithopone and stirs evenly, damp sand is made；
Step 105: prefabricated powder made from step 103 is added during double pot adverse current mixing pots cook, and in step (104)
Damp sand obtained quickly stirs evenly, and mixture is made；
Step 106: by mixture made from step 105 after awake material machine is 7-10 minutes processed awake, being placed in constant temperature and humidity item
It is parked under part 24 hours or more, it is primary every 6-10 hours 16-36 mesh screens excessively, obtain the molding mass of uniform loose；
Step 107: being formed using warm-pressing technology.Concrete technology detailed annotation: molding die temperature is heated to 60-70 first
DEG C, and keep constant temperature；Bottom molding mass is thrown according to cutting-grinding dual-purpose resin wheel design inventory and is struck off；It is put into a 5-11 mesh
80-260 grams of alkali-free glass fibre enhances mesh sheet and flattens；Upper shaping material is thrown by grinding wheel design inventory and is struck off；It places into
50-80 grams of alkali-free glass fibre minor diameter reinforcement mesh sheet of one 8-14 mesh and trade mark and orifice ring；Cover die cover plate；Then it crosses
Pressure maintaining 4-6 seconds under 125 tons of press 8MPa pressure conditions, compression moulding；The mold is laid down to get cutting-grinding dual-purpose resin wheel half
Finished product；
Step 108: the cutting-grinding dual-purpose resin wheel semi-finished product of forming being separated with aluminium backing plate and filter gasket, wear axis simultaneously
Spring pressurization hardening rises to 80 DEG C of processes not less than 6 hours from room temperature, and then heating is not higher than 15 DEG C per hour, protects at 80 DEG C
Temperature 3 hours or more, 2 hours or so are kept the temperature at 120 DEG C, 160-185 DEG C of highest hardening temperature, the highest temperature soaking time 4-8 hours,
It total firm time 24-30 hours, is then slowly cooled to room temperature unloading piece and obtains cutting-grinding dual-purpose resin wheel finished product.
Formula advantage of the invention:
(1) the high high-temperature calcination Brown Alundum of selection toughness and there is certain brittle plating clothing white fused alumina collocation use, both may be used
Meet the cutting durability of cutting-grinding dual-purpose resin wheel, and does not reduce the cutting sharpness of cutting-grinding dual-purpose resin wheel.
(2) brittleness and toughness of semi-crisp corundum are all between white fused alumina and Brown Alundum, so referred to as semi-crisp corundum.Half
Crisp corundum has good self-sharpening, can effectively slow down the cushion effect between abrasive grain and grinding workpiece, meet grinding
Flexibility, the comfort for being ground feel, grinding is sharp and is not easy workpiece of burning.
(3) formula uses same grain size number abrasive material, so that cutting-grinding dual-purpose resin wheel interior porosity improves, and stomata is big
Small and distribution is more uniform, significantly improves the cutting speed and grinding efficiency of cutting-grinding dual-purpose resin wheel.
(4) potassium fluoroaluminate and potassium fluoborate are all added as fluxing and lubrication activity filler, and potassium fluoroaluminate can be effectively improved
Sharpness is cut, potassium fluoborate can be effectively improved the comfort of grinding feel.
(5) molybdenum disulfide has moisture-proof, waterproof, acid-proof, alkali prevention, the characteristics such as easily disperses, do not bond, is filled in inside grinding wheel
Moisture and oxygen etc. are reduced to grinding wheel internal penetration in the gap of abrasive grain.In addition, molybdenum disulfide is made with good lubrication
With, abrasive grain and workpiece, abrasive grain can be greatly reduced and cut the frictional force between bits, improve the sharpness of cutting-grinding dual-purpose resin wheel,
Reduce the noise cut when cutting.
(6) nanometer grade super fine calcium carbonate has the function of filling, reinforcement, toughening, can effectively improve cutting-grinding dual-purpose resin sand
Rigidity, toughness, durability, finish, heat-resistant stability and the bending strength of wheel.
(7) lithopone can effectively increase abrasive particle surface tension inside grinding wheel, improve bonding agent to the bonding of abrasive material
Power promotes the durability and anti-decay property of cutting-grinding dual-purpose resin wheel.
Process advantage of the invention:
(1) nanometer grade super fine calcium carbonate is uniformly ground into the liquid phenolic resin in advance, nanoscale is made
Calcium carbonate superfine powder phenol-formaldehyde resin modified liquid, be for increase nanometer grade super fine calcium carbonate be distributed in liquid phenolic resin it is uniform
Property, convenient for the state of mixture when control mixing, the generation of dough is reduced, the final nanometer grade super fine calcium carbonate that increases is in mixture
Middle distributing homogeneity.
(2) powdered phenol-formaldehyde resin, the potassium fluoborate, the potassium fluoroaluminate, the molybdenum disulfide are put into advance
It is uniformly mixed in pre- powder equipment, prefabricated powder is made, all powder body materials is enable more uniformly to be overlayed on the surface of damp sand by suction, improved
The uniformity of mixture.
(3) the lithopone selection is added on double pot adverse current mixing pots in pot, and is added in phenol-formaldehyde resin modified liquid
Abrasive material and be uniformly mixed after add again, lithopone can be made more uniformly to wrap up and be bonded in abrasive particle surface, effectively increase mill
Expect particle surface tension, improves bonding agent to the cohesive force and holding power of abrasive material.
(4) material machine of waking up is waken up 7-10 minutes processed, can make sufficiently to rub between mixture particle, the resin liquid for wrapping up abrasive surface
It is squeezed through the powder layer that resin liquid is adsorbed and is seeped into mixture particle surface, it is final to be promoted and improve abrasive material to the bonding energy of powder layer
Power.
(5) mixture is parked 24 hours or more under the conditions of being placed in constant temperature and humidity, crosses 16-36 mesh screen every 6-10 hours
Once, be for molding mass state it is more stable, loose, uniform.The frequency of the thinner mixture sieving of abrasive grain is higher, is because of fines
Adhesion and conglomeration are easier to than coarse fodder.
(6) mesh sheet is enhanced using 80-260 grams of alkali-free glass fibre of a 5-11 mesh, is to ensure cutting-grinding dual-purpose resin sand
Intensity with higher is taken turns, 50-80 grams of alkali-free glass fibre minor diameter reinforcement mesh sheet of a 8-14 mesh is added, is not increase
Under the premise of grinding wheel cuts grinding resistance, the rigidity and intensity of cutting-grinding dual-purpose resin wheel are promoted, meets to cut to greatest extent and cut
The needs of journey safety.
(7) low-pressure using pressure maintaining 4-6 seconds under 125 tons of press 8MPa pressure conditions and long dwell time technique, were both protected
Hinder cutting-grinding dual-purpose resin wheel density with higher, meets the needs of cutting ability, and make lower density one on grinding wheel as far as possible
It causes, reduces grinding chipping, improve grinding feel.
(8) it is hardened using spring pressurization, in addition to the effectively thickness of control cutting-grinding dual-purpose resin wheel, can also compensate for grinding wheel group
The uniformity knitted promotes global density consistency.
(9) hardening process selection keeps the temperature 3 hours or more at 80 DEG C, keeps the temperature 2 hours or so at 120 DEG C, is to be promoted and being cut
The conjugation of dual-purpose resin wheel inner glass reinforcing fiber mesh sheet and the sand bed of material reduces grinding chipping, improves grinding feel and relaxes
Adaptive.
Compared with prior art, the invention has the benefit that cutting-grinding dual-purpose resin wheel can obtained by the present invention
Guarantee that metal material cutting process is rigid to grinding wheel, workpiece kerf width is narrow, notch burr is small, notch is not burnt, cuts
The needs of speed, wheel life, and metal material Grinding Process is able to satisfy to the flexibility of wheel grinding, grinding feel
The requirement of comfort, grinding efficiency, grinding accuracy, grinding process not chipping not chip off-falling, will also be each by using specific technique
The advantages of the characteristics of kind material, effectively blends together, combines abrasive cut-off wheel and abrasive grinding wheel, so that a piece of resin wheel
Cutting-grinding dual-purpose may be implemented, it is easy to use, without frequently replacement grinding wheel, a large amount of working hour is saved, processing efficiency is able to pole
It is big to be promoted.
Specific embodiment
Below in conjunction with several specific embodiments, the present invention is further described:
Embodiment 1:
A kind of formula of cutting-grinding dual-purpose resin wheel, based on following weight include: the high-temperature calcination palm fibre of 36 mesh just
5.0 parts of 60 parts of semi-crisp corundum, liquid phenolic resin, the powdered phenol-formaldehyde resin of 25 parts beautiful, 36 mesh 15 parts of clothing white fused alumina of plating, 36 mesh
13.0 parts of 325-400 mesh, 3.0 parts of potassium fluoborate 400-600 mesh, 5.0 parts of potassium fluoroaluminate 400-600 mesh, molybdenum disulfide 800-
1000 1.0 parts of mesh, 0.2 part of nanometer grade super fine calcium carbonate, 2.0 parts of lithopone 600-800 mesh；The wherein liquid phenolic resin
Viscosity is 750-1200mPas (25 DEG C).
Above-mentioned formula is deployed according to the following steps:
Step 101: each component being weighed up by the weight proportion requirement of formula, and is stored in corresponding container respectively
Interior carry out ingredient.
Step 102: the nanometer grade super fine calcium carbonate uniformly being ground into the liquid phenolic resin, nanoscale is made
Calcium carbonate superfine powder phenol-formaldehyde resin modified liquid.
Step 103: by the powdered phenol-formaldehyde resin, potassium fluoborate, the potassium fluoroaluminate, described in the formula
Molybdenum disulfide is put into pre- powder equipment and is uniformly mixed, and prefabricated powder is made.
Step 104: it is inverse first to put the high-temperature calcination Brown Alundum, the plating clothing white fused alumina, the semi-crisp corundum into double pots
It flows and is uniformly mixed in pot on mixing pot, nanometer grade super fine calcium carbonate phenol-formaldehyde resin modified liquid made from step 102 is then added,
And stir evenly, it is eventually adding the lithopone and stirs evenly, damp sand is made.
Step 105: prefabricated powder made from step 103 being added during double pot adverse current mixing pots cook, and is made with step 104
The damp sand obtained quickly stirs evenly, and mixture is made.
Step 106: after mixture made from step 105 is waken up the awake system of material machine 7 minutes, being placed under the conditions of constant temperature and humidity
It parks 24 hours or more, it is primary every 10 hours 16 mesh screens excessively, obtain the molding mass of uniform loose.
Step 107: being formed using warm-pressing technology.Concrete technology detailed annotation: molding die temperature is heated to 60-70 first
DEG C, and keep constant temperature；Bottom molding mass is thrown according to cutting-grinding dual-purpose resin wheel design inventory and is struck off；It is put into 5 mesh 260
Gram alkali-free glass fibre enhancing mesh sheet simultaneously flattens；Upper shaping material is thrown by grinding wheel design inventory and is struck off；Place into one 10
50 grams of alkali-free glass fibre minor diameter reinforcement mesh sheet of mesh and trade mark and orifice ring；Cover die cover plate；Then 125 tons of press are crossed
Pressure maintaining 4 seconds, compression moulding under 8MPa pressure condition；The mold is laid down to get cutting-grinding dual-purpose resin wheel semi-finished product.
Step 108: the cutting-grinding dual-purpose resin wheel semi-finished product of forming being separated with aluminium backing plate and filter gasket, wear axis simultaneously
Spring pressurization hardening rises to 80 DEG C of processes not less than 6 hours from room temperature, and then heating is not higher than 15 DEG C per hour, protects at 80 DEG C
Temperature 3 hours or more, 2 hours or so are kept the temperature at 120 DEG C, it is 160 DEG C of highest hardening temperature, highest temperature soaking time 8 hours, total to harden
It time 24 hours, is then slowly cooled to room temperature unloading piece and obtains cutting-grinding dual-purpose resin wheel finished product.
Embodiment 2:
A kind of formula of cutting-grinding dual-purpose resin wheel, based on following weight include: the high-temperature calcination palm fibre of 46 mesh just
6.0 parts of 50 parts of semi-crisp corundum, liquid phenolic resin, the powdered phenol-formaldehyde resin of 30 parts beautiful, 46 mesh 20 parts of clothing white fused alumina of plating, 46 mesh
15.0 parts of 325-400 mesh, 4.0 parts of potassium fluoborate 400-600 mesh, 6.5 parts of potassium fluoroaluminate 400-600 mesh, molybdenum disulfide 800-
1000 2.0 parts of mesh, 1.0 parts of nanometer grade super fine calcium carbonate, 3.0 parts of lithopone 600-800 mesh；The wherein liquid phenolic resin
Viscosity is 750-1200mPas (25 DEG C).
Above-mentioned formula is deployed according to the following steps:
Step 101: each component being weighed up by the weight proportion requirement of formula, and is stored in corresponding container respectively
Interior carry out ingredient.
Step 102: the nanometer grade super fine calcium carbonate uniformly being ground into the liquid phenolic resin, nanoscale is made
Calcium carbonate superfine powder phenol-formaldehyde resin modified liquid.
Step 103: by the powdered phenol-formaldehyde resin, potassium fluoborate, the potassium fluoroaluminate, described in the formula
Molybdenum disulfide is put into pre- powder equipment and is uniformly mixed, and prefabricated powder is made.
Step 104: it is inverse first to put the high-temperature calcination Brown Alundum, the plating clothing white fused alumina, the semi-crisp corundum into double pots
It flows and is uniformly mixed in pot on mixing pot, nanometer grade super fine calcium carbonate phenol-formaldehyde resin modified liquid made from step 102 is then added,
And stir evenly, it is eventually adding the lithopone and stirs evenly, damp sand is made.
Step 105: prefabricated powder made from step 103 being added during double pot adverse current mixing pots cook, and is made with step 104
The damp sand obtained quickly stirs evenly, and mixture is made.
Step 106: after mixture made from step 105 is waken up the awake system of material machine 9 minutes, being placed under the conditions of constant temperature and humidity
It parks 24 hours or more, it is primary every 8 hours 22 mesh screens excessively, obtain the molding mass of uniform loose.
Step 107: being formed using warm-pressing technology.Concrete technology detailed annotation: molding die temperature is heated to 60-70 first
DEG C, and keep constant temperature；Bottom molding mass is thrown according to cutting-grinding dual-purpose resin wheel design inventory and is struck off；It is put into 8 mesh 210
Gram alkali-free glass fibre enhancing mesh sheet simultaneously flattens；Upper shaping material is thrown by grinding wheel design inventory and is struck off；Place into one 14
60 grams of alkali-free glass fibre minor diameter reinforcement mesh sheet of mesh and trade mark and orifice ring；Cover die cover plate；Then 125 tons of press are crossed
Pressure maintaining 5 seconds, compression moulding under 8MPa pressure condition；The mold is laid down to get cutting-grinding dual-purpose resin wheel semi-finished product.
Step 108: the cutting-grinding dual-purpose resin wheel semi-finished product of forming being separated with aluminium backing plate and filter gasket, wear axis simultaneously
Spring pressurization hardening rises to 80 DEG C of processes not less than 6 hours from room temperature, and then heating is not higher than 15 DEG C per hour, protects at 80 DEG C
Temperature 3 hours or more, 2 hours or so are kept the temperature at 120 DEG C, it is 173 DEG C of highest hardening temperature, highest temperature soaking time 6 hours, total to harden
It time 26 hours, is then slowly cooled to room temperature unloading piece and obtains cutting-grinding dual-purpose resin wheel finished product.
Embodiment 3:
A kind of formula of cutting-grinding dual-purpose resin wheel, by each component of following weight: high-temperature calcination Brown Alundum F60
35 parts of mesh, plating 25 parts of clothing white fused alumina F60 mesh, 40 parts of semi-crisp corundum F60 mesh, 7.5 parts of liquid phenolic resin, powdered phenol-formaldehyde resin
16.5 parts of 325-400 mesh, 5.0 parts of potassium fluoborate 400-600 mesh, 8.0 parts of potassium fluoroaluminate 400-600 mesh, molybdenum disulfide 800-
1000 3.0 parts of mesh, 2.0 parts of nanometer grade super fine calcium carbonate, 4.0 parts of lithopone 600-800 mesh；The wherein liquid phenolic resin
Viscosity is 750-1200mPas (25 DEG C).
Above-mentioned formula is deployed according to the following steps:
Step 101: each component being weighed up by the weight proportion requirement of formula, and is stored in corresponding container respectively
Interior carry out ingredient.
Step 102: the nanometer grade super fine calcium carbonate uniformly being ground into the liquid phenolic resin, nanoscale is made
Calcium carbonate superfine powder phenol-formaldehyde resin modified liquid.
Step 103: by the powdered phenol-formaldehyde resin, potassium fluoborate, the potassium fluoroaluminate, described in the formula
Molybdenum disulfide is put into pre- powder equipment and is uniformly mixed, and prefabricated powder is made.
Step 104: it is inverse first to put the high-temperature calcination Brown Alundum, the plating clothing white fused alumina, the semi-crisp corundum into double pots
It flows and is uniformly mixed in pot on mixing pot, nanometer grade super fine calcium carbonate phenol-formaldehyde resin modified liquid made from step 102 is then added,
And stir evenly, it is eventually adding the lithopone and stirs evenly, damp sand is made.
Step 105: prefabricated powder made from step 103 being added during double pot adverse current mixing pots cook, and is made with step 104
The damp sand obtained quickly stirs evenly, and mixture is made.
Step 106: mixture made from step 105 being waken up into the awake system of material machine after ten minutes, is placed in constant temperature and humidity condition
Under park 24 hours or more, every 6 hours cross 36 mesh screens it is primary, obtain the molding mass of uniform loose.
Step 107: being formed using warm-pressing technology；Concrete technology detailed annotation: molding die temperature is heated to 60-70 first
DEG C, and keep constant temperature；Bottom molding mass is thrown according to cutting-grinding dual-purpose resin wheel design inventory and is struck off；It is put into 11 mesh 80
Gram alkali-free glass fibre enhancing mesh sheet simultaneously flattens；Upper shaping material is thrown by grinding wheel design inventory and is struck off；Place into one 11
80 grams of alkali-free glass fibre minor diameter reinforcement mesh sheet of mesh and trade mark and orifice ring；Cover die cover plate；Then 125 tons of press are crossed
Pressure maintaining 6 seconds, compression moulding under 8MPa pressure condition；The mold is laid down to get cutting-grinding dual-purpose resin wheel semi-finished product.
Step 108: the cutting-grinding dual-purpose resin wheel semi-finished product of forming being separated with aluminium backing plate and filter gasket, wear axis simultaneously
Spring pressurization hardening rises to 80 DEG C of processes not less than 6 hours from room temperature, and then heating is not higher than 15 DEG C per hour, protects at 80 DEG C
Temperature 3 hours or more, 2 hours or so are kept the temperature at 120 DEG C, it is 185 DEG C of highest hardening temperature, highest temperature soaking time 4 hours, total to harden
It time 30 hours, is then slowly cooled to room temperature unloading piece and obtains cutting-grinding dual-purpose resin wheel finished product.
Table 1: grinding wheel made from the grinding wheel as obtained by embodiment 1 and existing formula and technique is in grinding and cutting effect
Aspect compares, and the grinding experiment material of this experiment is the A3 steel plate of thickness 20mm, and cutting experiment material is diameter of phi 12mm
45# rod iron, resin wheel outer diameter, thickness and the specification in aperture be 100mm*3.2mm*16mm, test equipment use BOSCH
GWS8-100C；
As it can be seen from table 1 common slice is compared with common grinding, and grinding ratio is much too late in grinding experiment
Common grinding, grinding efficiency only have 11.20, and the cutting feel of steel plate end face is partially hard, and serious chipping phenomenon occurs；
Embodiment 1 is compared with common grinding, and embodiment 1 and the cutting ratio being commonly ground are close, and grinding efficiency can reach 18.00
Or more, and the cutting feel of steel plate end face be it is comfortable, without there is chipping phenomenon, resin wheel energy made from embodiment 1
Reach the requirement being commonly ground；In cutting experiment, common grinding and common slice are compared, the cutting being commonly ground
Service life only has 17 knives, and not as good as the half being commonly sliced, and the burr of incision is big, and blade surface burn is serious；Embodiment 1 with
Common slice is compared, and cutting life and is commonly sliced almost the same, and the burr of incision is small, and there is no burns for wheel face now
As cutting performance is not a halfpenny the worse compared with common slice.
Table 2: grinding wheel made from the grinding wheel as obtained by embodiment 2 and existing formula and technique is in grinding and cutting effect
Aspect compares, and the grinding experiment material of this experiment is the A3 steel plate of thickness 20mm, and cutting experiment material is diameter of phi 12mm
45# rod iron, resin wheel outer diameter, thickness and the specification in aperture be 100mm*2.8mm*16mm, test equipment use BOSCH
GWS8-100C；
From table 2 it can be seen that common slice is compared with common grinding, and grinding ratio is much too late in grinding experiment
Common grinding, grinding efficiency only have 10.20, and the cutting feel of steel plate end face is partially hard, and serious chipping phenomenon occurs；
Embodiment 1 is compared with common grinding, and embodiment 1 and the cutting ratio being commonly ground are close, and grinding efficiency can reach 16.40
Or more, and the cutting feel of steel plate end face be it is comfortable, without there is chipping phenomenon, resin wheel energy made from embodiment 1
Reach the requirement being commonly ground；In cutting experiment, common grinding and common slice are compared, the cutting being commonly ground
Service life only has 21 knives, and not as good as the half being commonly sliced, and the burr of incision is big, and blade surface burn is serious；Embodiment 1 with
Common slice is compared, and cutting life and is commonly sliced almost the same, and the burr of incision is small, and there is no burns for wheel face now
As cutting performance is not a halfpenny the worse compared with common slice.
Table 3: grinding wheel made from the grinding wheel as obtained by embodiment 3 and existing formula and technique is in grinding and cutting effect
Aspect compares, and the grinding experiment material of this experiment is the A3 steel plate of thickness 20mm, and cutting experiment material is diameter of phi 12mm
45# rod iron, resin wheel outer diameter, thickness and the specification in aperture be 100mm*2.5mm*16mm, test equipment use BOSCH
GWS8-100C；
From table 3 it can be seen that common slice is compared with common grinding, and grinding ratio is much too late in grinding experiment
Common grinding, grinding efficiency only have 8.80, and the cutting feel of steel plate end face is partially hard, and serious chipping phenomenon occurs；
Embodiment 1 is compared with common grinding, and embodiment 1 and the cutting ratio being commonly ground are close, and grinding efficiency can reach 14.30
Or more, and the cutting feel of steel plate end face be it is comfortable, without there is chipping phenomenon, resin wheel energy made from embodiment 1
Reach the requirement being commonly ground；In cutting experiment, common grinding and common slice are compared, the cutting being commonly ground
Service life only has 13 knives, and not as good as the half being commonly sliced, and the burr of incision is big, and blade surface burn is serious；Embodiment 1 with
Common slice is compared, and cutting life and is commonly sliced almost the same, and the burr of incision is small, and there is no burns for wheel face now
As cutting performance is not a halfpenny the worse compared with common slice.
In conclusion the advantages of being handled by the improvement of formula and special process, having mixed multiple material makes this Shen
Metal material cutting process please can be guaranteed to grinding wheel rigidity, work by cutting-grinding dual-purpose resin wheel obtained by disclosed scheme
Part kerf width is narrow, notch burr is small, notch is not burnt, the needs of cutting speed, wheel life, and is able to satisfy metal material mill
Process is cut not collapse the flexibility of wheel grinding, comfort, grinding efficiency, grinding accuracy, the grinding process of grinding feel
The requirement of side not chip off-falling, product is easy to use, without frequently replacement grinding wheel, saves a large amount of working hour, processing efficiency is able to
Significant increase.
The above is not intended to limit the scope of the present invention, and all technical spirits according to the present invention are to above
Any modification, equivalent variations and modification made by embodiment, in the range of still falling within technical solution of the present invention.
Claims (5)
1. a kind of cutting-grinding dual-purpose resin wheel, it is characterised in that: by weight ratio meter include: 25-35 parts of high-temperature calcination Brown Alundum,
Plate the powdered phenolic tree of 15-25 parts of clothing white fused alumina, 40-60 parts of semi-crisp corundum, 5.0-8.0 parts of liquid phenolic resin, 325-400 mesh
13.0-17.0 parts of rouge, 3.0-5.0 parts of the potassium fluoborate of 400-600 mesh, 400-600 mesh 5.0-8.0 parts of potassium fluoroaluminate, 800-
The lithopone 2.0-4.0 of 0.2-2.0 parts of 1.0-3.0 parts of molybdenum disulfide, the nanometer grade super fine calcium carbonate of 1000 mesh, 600-800 mesh
Part；Wherein, at 25 DEG C, the viscosity of the liquid phenolic resin is 750-1200mPas, the high-temperature calcination Brown Alundum, plating
Three kinds of clothing white fused alumina, semi-crisp corundum abrasive materials are 36 mesh to the same grain size number between 60 mesh, and the total number of three kinds of abrasive materials is kept
100 parts constant.
2. a kind of cutting-grinding dual-purpose resin wheel according to claim 1, it is characterised in that: by weight include: 36 mesh
25 parts of high-temperature calcination Brown Alundum, 36 mesh plating 15 parts of clothing white fused alumina, 36 mesh 60 parts of semi-crisp corundum, liquid phenolic resin 5.0
Part, 13.0 parts of powdered phenol-formaldehyde resin 325-400 mesh, 3.0 parts of potassium fluoborate 400-600 mesh, 5.0 parts of potassium fluoroaluminate 400-600 mesh,
1.0 parts of molybdenum disulfide 800-1000 mesh, 0.2 part of nanometer grade super fine calcium carbonate, 2.0 parts of lithopone 600-800 mesh.
3. a kind of cutting-grinding dual-purpose resin wheel according to claim 1, it is characterised in that: by weight include: 46 mesh
30 parts of high-temperature calcination Brown Alundum, 46 mesh plating 20 parts of clothing white fused alumina, 46 mesh 50 parts of semi-crisp corundum, liquid phenolic resin 6.0
Part, 15.0 parts of powdered phenol-formaldehyde resin 325-400 mesh, 4.0 parts of potassium fluoborate 400-600 mesh, 6.5 parts of potassium fluoroaluminate 400-600 mesh,
2.0 parts of molybdenum disulfide 800-1000 mesh, 1.0 parts of nanometer grade super fine calcium carbonate, 3.0 parts of lithopone 600-800 mesh.
4. a kind of cutting-grinding dual-purpose resin wheel according to claim 1, it is characterised in that: by weight include: 60 mesh
35 parts of high-temperature calcination Brown Alundum, 60 mesh plating 25 parts of clothing white fused alumina, 60 mesh 40 parts of semi-crisp corundum, liquid phenolic resin 7.5
Part, 16.5 parts of powdered phenol-formaldehyde resin 325-400 mesh, 5.0 parts of potassium fluoborate 400-600 mesh, 8.0 parts of potassium fluoroaluminate 400-600 mesh,
3.0 parts of molybdenum disulfide 800-1000 mesh, 2.0 parts of nanometer grade super fine calcium carbonate, 4.0 parts of lithopone 600-800 mesh.
5. a kind of processing method of cutting-grinding dual-purpose resin wheel as described in claim 1, it is characterised in that: including following step
It is rapid:
Step 101: each component being weighed up by the weight proportion requirement of formula, and is stored in corresponding container and is matched respectively
Material；
Step 102: the nanometer grade super fine calcium carbonate uniformly being ground into the liquid phenolic resin, nano level superfine is made
Calcium carbonate modified phenolic resin liquid；
Step 103: by the powdered phenol-formaldehyde resin, the potassium fluoborate, the potassium fluoroaluminate, two sulphur in the formula
Change molybdenum, which is put into pre- powder equipment, to be uniformly mixed, and prefabricated powder is made；
Step 104: it is mixed first to put the high-temperature calcination Brown Alundum, the plating clothing white fused alumina, the semi-crisp corundum into double pot adverse currents
Expect to be uniformly mixed in pot on pot, nanometer grade super fine calcium carbonate phenol-formaldehyde resin modified liquid made from step 102 is then added, and stir
It mixes uniformly, is eventually adding the lithopone and stirs evenly, damp sand is made；
Step 105: prefabricated powder made from step 103 is added during double pot adverse current mixing pots cook, and with it is obtained in step 104
Damp sand quickly stirs evenly, and mixture is made；
Step 106: by mixture made from step 105 after awake material machine is 7-10 minutes processed awake, being placed under the conditions of constant temperature and humidity
It parks 24 hours or more, it is primary every 6-10 hours 16-36 mesh screens excessively, obtain the molding mass of uniform loose；
Step 107: it is formed using warm-pressing technology, concrete technology detailed annotation: being heated to 60-70 DEG C for molding die temperature first, and
Keep constant temperature；Bottom molding mass is thrown according to cutting-grinding dual-purpose resin wheel design inventory and is struck off；It is put into a 5-11 mesh 80-
260 grams of alkali-free glass fibres enhance mesh sheet and flatten；Upper shaping material is thrown by cutting-grinding dual-purpose resin wheel design inventory and is scraped
It is flat；Place into 50-80 grams of alkali-free glass fibre minor diameter reinforcement mesh sheet of a 8-14 mesh and trade mark and orifice ring；Cover shaping mould
Has cover board；Then pressure maintaining 4-6 seconds are spent under 125 tons of press 8MPa pressure conditions, compression moulding；Lay down the molding die to get
Cutting-grinding dual-purpose resin wheel semi-finished product；
Step 108: the cutting-grinding dual-purpose resin wheel semi-finished product of forming being separated with aluminium backing plate and filter gasket, wear axis and spring
Press quenching rises to 80 DEG C of processes not less than 6 hours from room temperature, and then heating is not higher than 15 DEG C per hour, small in 80 DEG C of heat preservations 3
When more than, 120 DEG C keep the temperature 2 hours, 160-185 DEG C of highest hardening temperature, the highest temperature soaking time 4-8 hour, always harden when
Between 24-30 hours, be then slowly cooled to room temperature unloading piece and obtain cutting-grinding dual-purpose resin wheel finished product.
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| CN108857942A (en) * | 2018-05-30 | 2018-11-23 | 安徽佑开科技有限公司 | A kind of ultra-thin resin abrasive cutting wheel formula |
| CN109015423A (en) * | 2018-08-30 | 2018-12-18 | 珠海大象磨料磨具有限公司 | A kind of grinding wheel and preparation method thereof for lightweighting materials processing |
| CN110340814A (en) * | 2019-07-02 | 2019-10-18 | 惠州市淀金研磨科技有限公司 | A kind of preparation method of grinding wheel |
| CN111168589A (en) * | 2020-01-09 | 2020-05-19 | 石家庄福澈研磨科技有限公司 | Cutting and grinding dual-purpose grinding wheel and preparation method thereof |
| CN112338819B (en) * | 2020-09-25 | 2021-10-26 | 宁波大华砂轮有限公司 | Resin grinding wheel cutting sheet and preparation method thereof |
| CN113649957A (en) * | 2021-08-13 | 2021-11-16 | 广州砺风新材料科技有限公司 | Steel rail cutting grinding wheel and preparation method thereof |
| CN114367926B (en) * | 2022-01-06 | 2022-11-11 | 沈阳一蒙砂轮有限公司 | Special fiber reinforced resin abrasive cutting wheel for cutting railway steel rail and manufacturing method thereof |
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