CN109277956A - A kind of hand-held engine Large Diameter Slicing machine high speed grinding wheel and production technology - Google Patents
A kind of hand-held engine Large Diameter Slicing machine high speed grinding wheel and production technology Download PDFInfo
- Publication number
- CN109277956A CN109277956A CN201811332376.7A CN201811332376A CN109277956A CN 109277956 A CN109277956 A CN 109277956A CN 201811332376 A CN201811332376 A CN 201811332376A CN 109277956 A CN109277956 A CN 109277956A
- Authority
- CN
- China
- Prior art keywords
- grinding wheel
- layer
- sand material
- fiberglass gridding
- gridding cloth
- Prior art date
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Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000005516 engineering process Methods 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 59
- 239000004744 fabric Substances 0.000 claims abstract description 51
- 239000004576 sand Substances 0.000 claims abstract description 39
- 239000011152 fibreglass Substances 0.000 claims abstract description 34
- 235000013599 spices Nutrition 0.000 claims abstract description 17
- 239000007767 bonding agent Substances 0.000 claims abstract description 13
- 239000003082 abrasive agent Substances 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- 239000000945 filler Substances 0.000 claims abstract description 8
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 6
- 238000000465 moulding Methods 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 11
- 239000003365 glass fiber Substances 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 9
- 239000002002 slurry Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000011268 mixed slurry Substances 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 230000004048 modification Effects 0.000 claims 1
- 238000012986 modification Methods 0.000 claims 1
- 239000011521 glass Substances 0.000 abstract description 8
- 239000004615 ingredient Substances 0.000 abstract description 3
- 238000003860 storage Methods 0.000 abstract description 3
- 238000000748 compression moulding Methods 0.000 abstract description 2
- 238000009826 distribution Methods 0.000 abstract description 2
- 238000005520 cutting process Methods 0.000 description 19
- 239000011347 resin Substances 0.000 description 12
- 229920005989 resin Polymers 0.000 description 12
- 238000000034 method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000007769 metal material Substances 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- B24D7/14—Zonally-graded wheels; Composite wheels comprising different abrasives
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a kind of hand-held engine Large Diameter Slicing machine high speed grinding wheel and production technologies, grinding wheel is made of two layers of sand material and triplex glass fibrous mesh cloth, and sand material is made of SA abrasive material, L-C bonding agent, BH active filler, modifying agent nitrile rubber powder；Secondary spice is used when producing the grinding wheel, is stored 64 hours after a spice, and secondary spice is stored 24 hours, and spice secondary first can allow the sand material distribution in grinding wheel more uniform, and the ingredient that secondly storage makes in grinding wheel for 64/24 hour respectively reacts more complete；A fiberglass gridding cloth is first put when compression molding in advance, for the first time booth material 40%, then puts an intermediate glass fibrous mesh cloth, booth material 60%, then put a fiberglass gridding cloth；Invention increases the integral strengths of grinding wheel, increase the softness of bonding agent, reduce the brittleness of grinding wheel entirety, to make the maximum speed of grinding wheel of the invention up to 100m/s.
Description
Technical field
The present invention relates to cutting machine high speed grinding wheel technical field, especially a kind of hand-held engine Large Diameter Slicing machine is used
High speed grinding wheel and production technology.
Background technique
According to statistics, about 400,000 tons of the annual output of China's resin abrasive cutting wheel.Home products unification is serious at present, low
Valence is fought for sale, and problem is increasingly prominent, and product profit is lower and lower.Resin thin slice grinding wheel whither develops into puzzlement manufacturing enterprise
One big problem.The problem of country's resin flake abrasive cut-off wheel is primarily present the following aspects at present:
(1) bond strength is lower.Currently, the yield of domestic resin thin slice grinding wheel is very big, but product quality is similar with foreign countries
Product is compared, and there are also biggish gaps.It is embodied in that bond strength is lower, causes product can only be in the lower of 70 1 80m/s
It is used under linear velocity, it is difficult to which the requirement for adapting to high efficiency cutting is difficult to make using the abrasive cut-off wheel of linear velocity up to 100-120m/s
It makes.
(2) abrasion are fast, some resin abrasive cutting wheels only have the 1/4-l/2 or so of external like products.
(3) bonding agent single variety.
(4) bonding agent heat resistance is low, the cutting processing needs not being able to satisfy under hot conditions currently on the market.
(5) product purpose is regardless of specific aim is not strong, it is difficult to meet the processing needs of market various material.
As the resin thin slice grinding wheel of one of the maximum kind of most common, dosage, purposes and its extensive, cutting object
It is complicated and changeable.Such as by the hardness of cutting material, brittleness and with the chemical compatibility of abrasive material.Different purposes are to grinding wheel
Performance requirement has very big difference.Cut common iron and cutting stainless steel or non-ferrous metal, cutting metal material and Fei Jin
Belong to material, cutting hard brittle material and cutting flexible material etc. have very big difference.
At home, most resin flake abrasive cut-off wheels manufacturing enterprise, the outmoded backwardness of production equipment, factory formula quantity
Extremely limited, the product formula of many enterprises, which continues, uses many years constant, and product variety is single, can only produce common for cutting
The disc wheel of charcoal steel.These are all to cause product homogeneity phenomenon serious, and problem of fighting for sale at a low price is increasingly prominent, and product profit is got over
Carry out the main reason for lower.
In the domestic market, it is found everywhere the resin flake abrasive cut-off wheel for cutting common charcoal steel.Although common iron
Cutting dosage it is maximum, but with the development of national economy, all kinds of alloy materials such as stainless steel and nonferrous materials and non-
The dosage of metal material is also in the trend of rapid growth, and it is empty that these all provide huge market for resin flake abrasive cut-off wheel
Between.Currently, the visible resin dedicated disc wheel for cutting rail material on domestic market, is used for but without enterprise development
Cut the resin dedicated abrasive cut-off wheel of such as stainless steel, non-ferrous metal material.
Current resin wheel revolving speed reaches as high as 80m/s, and is used for the high speed sand of hand-held engine Large Diameter Slicing machine
Wheel speed needs to reach 100m/s and can guarantee that grinding wheel meets the cutting of two kinds of metal, stone material materials, it would therefore be highly desirable to develop one kind
Hand-held engine Large Diameter Slicing machine high speed grinding wheel.
Summary of the invention
The invention aims to solve the deficiencies in the prior art, a kind of hand-held engine Large Diameter Slicing is provided
Machine high speed grinding wheel and production technology.
In order to achieve the above objectives, the present invention is implemented according to following technical scheme:
A kind of hand-held engine Large Diameter Slicing machine high speed grinding wheel, including grinding wheel ontology, grinding wheel body central are equipped with peace
Hole is filled, the grinding wheel ontology is by the lower layer's fiberglass gridding cloth, the first layer sand material, middle layer glass fiber mesh that are distributed from the bottom to top
Ge Bu, second layer sand material, upper layer fiberglass gridding cloth composition, the first layer sand material and second layer sand material are by following weight hundred
The raw material of ratio is divided to be made: SA abrasive material 78%, L-C bonding agent 13%, BH active filler 7%, modifying agent 2%.
Further, the modifying agent is nitrile rubber powder.
In addition, the present invention also provides a kind of hand-held engine Large Diameter Slicing machine high speed grinding wheel production technology, according to
Secondary includes material mixing, molding, solidification, wherein
The specific steps of the mixing are as follows: take the raw material of following weight percent: SA abrasive material 78%, L-C bonding agent 13%,
BH active filler 7%, modifying agent 2% are mixed, and adjust the temperature of mixed raw material: 15 DEG C -25 DEG C, humidity 40-60%；Then
First time spice is carried out, is then stored 64 hours；Second of spice is carried out again, then is stored 24 hours, and mixed slurry is made；
The molding specific steps are as follows: a layer fiberglass gridding cloth is put down in advance in molding die, in lower layer's glass fibers
It ties up and spreads out upper first layer sand material on grid cloth, spread middle layer fiberglass gridding cloth on first layer sand material, then glass fibers in middle level
It ties up and spreads out upper second layer sand material on grid cloth, finally spread upper layer fiberglass gridding cloth on second layer sand material, be molded into
Type.
Further, the amount of the first layer sand material is the 40% of total mixing slurry weight, and the amount of second layer sand material is total mix
Close the 60% of slurry weight.
It is stored since screen cloth is rolled into a bundle, the screen cloth edge after cutting is not that very smooth will appear edge
The case where tilting, makes the problem of edge will appear material leakage when blowing, and this technique makes molding grinding wheel, and grinding wheel edge is past
Toward will appear the problem of lacking material, therefore, it is provided with beside molding die for lower layer's fiberglass gridding cloth, middle layer glass
The heating lamp that fibrous mesh cloth, upper layer fiberglass gridding cloth are heated, keeps fiberglass gridding cloth more smooth.
Compared with prior art, grinding wheel of the invention is made of two layers of sand material and triplex glass fibrous mesh cloth, Er Qiesha
Material is made of SA abrasive material, L-C bonding agent, BH active filler, modifying agent nitrile rubber powder；It is mixed when producing the grinding wheel using secondary
Expect, store 64 hours after a spice, secondary spice is stored 24 hours, and spice secondary first can allow the sand material in grinding wheel to be distributed more
Add uniformly, the ingredient reaction that secondly storage makes in grinding wheel for 64/24 hour respectively is more complete；A glass is first put when compression molding in advance
Glass fibrous mesh cloth, booth expects 40% for the first time, then puts an intermediate glass fibrous mesh cloth, booth material 60%, then puts a glass
Fibrous mesh cloth, and when putting fiberglass gridding cloth, fiberglass gridding cloth is heated, fiberglass gridding cloth is made
More smooth, there is the case where edge tilting in prevention and treatment fiberglass gridding cloth, and then can prevent grinding wheel edge from occurring lacking material
Problem occurs；Invention increases the integral strengths of grinding wheel, increase the softness of bonding agent, reduce the crisp of grinding wheel entirety
Property, to make the maximum speed of grinding wheel of the invention up to 100m/s.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Fig. 2 is production technological process of the invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, below in conjunction with drawings and examples, to this
Invention is described in further detail.Described herein the specific embodiments are only for explaining the present invention, is not used to limit
Invention.
As shown in Figure 1, the present embodiment provides a kind of hand-held engine Large Diameter Slicing machine high speed grinding wheel, including grinding wheel sheet
Body 1,1 center of grinding wheel ontology are equipped with mounting hole 101, and the grinding wheel ontology 1 is by lower layer's fiberglass gridding for being distributed from the bottom to top
Cloth 2, first layer sand material 3, middle layer fiberglass gridding cloth 5, second layer sand material 4, upper layer fiberglass gridding cloth 6 form, described
First layer sand material 3 and second layer sand material 4 are made of the raw material of following weight percent: SA abrasive material 78%, L-C bonding agent 13%,
BH active filler 7%, modifying agent 2%.The grinding wheel ontology 1 of the present embodiment by lower layer's fiberglass gridding cloth 2, first layer sand material 3,
Middle layer fiberglass gridding cloth 5, second layer sand material 4, upper layer fiberglass gridding cloth 6 form, and improve the entirety of grinding wheel ontology 1
Intensity.
In the present embodiment, the modifying agent is nitrile rubber powder.SA be single alundum abrasive material, with A (brown corundum abrasive),
WA (white fused alumina abrasive material) compares, and hardness is in individual particle spherulite compared with high, toughness is big, and crush resistance is stronger.However abrasive material is hard
Spending more high corresponding brittleness also will increase, and in high-speed cutting, grinding wheel may generate fragmentation, the case where crumbling, to make this reality
The grinding wheel for applying example reaches the requirement of maximum speed 100m/s, is added to 2% modifying agent, i.e. nitrile rubber powder, which increase knots
The softness of mixture reduces the brittleness of grinding wheel entirety.
In addition, the present embodiment additionally provides a kind of hand-held engine Large Diameter Slicing machine high speed grinding wheel production technology,
As shown in Fig. 2, successively including material mixing, molding, solidification, wherein
The specific steps of the mixing are as follows: take the raw material of following weight percent: SA abrasive material 78%, L-C bonding agent 13%,
BH active filler 7%, modifying agent 2% are mixed, and adjust the temperature of mixed raw material: 15 DEG C -25 DEG C, humidity 40-60%；Then
First time spice is carried out, is then stored 64 hours；Second of spice is carried out again, then is stored 24 hours, and mixed slurry is made；
The present embodiment uses secondary spice, stores 64 hours after a spice, and secondary spice is stored 24 hours, secondary first
Spice can allow the sand material distribution in grinding wheel more uniform, and the ingredient reaction that secondly storage makes in grinding wheel for 64/24 hour respectively is more
Completely.
The molding specific steps are as follows: a layer fiberglass gridding cloth is put down in advance in molding die, in lower layer's glass fibers
It ties up and spreads out upper first layer sand material on grid cloth, spread middle layer fiberglass gridding cloth on first layer sand material, then glass fibers in middle level
It ties up and spreads out upper second layer sand material on grid cloth, upper layer fiberglass gridding cloth, first layer sand material are finally spread on second layer sand material
Amount be the 40% of total mixing slurry weight, the amount of second layer sand material is the 60% of total mixing slurry weight, is finally molded
Molding.
In addition, being stored in the present embodiment since screen cloth is rolled into a bundle, the screen cloth edge after cutting is not ten
Divide smooth the case where will appear edge tilting, make the problem of edge will appear material leakage when blowing, this technique production is molding
Grinding wheel, grinding wheel edge often will appear the problem of lacking material, therefore, be provided with beside molding die for lower layer's glass fibers
The heating lamp that dimension grid cloth, middle layer fiberglass gridding cloth, upper layer fiberglass gridding cloth are heated, makes fiberglass gridding
Cloth is more smooth.
Summary, invention increases the integral strengths of grinding wheel, increase the softness of bonding agent, reduce grinding wheel entirety
Brittleness, to make the maximum speed of grinding wheel of the invention up to 100m/s.
The limitation that technical solution of the present invention is not limited to the above specific embodiments, it is all to do according to the technique and scheme of the present invention
Technology deformation out, falls within the scope of protection of the present invention.
Claims (5)
1. a kind of hand-held engine Large Diameter Slicing machine high speed grinding wheel, including grinding wheel ontology, grinding wheel body central is equipped with installation
Hole, it is characterised in that: the grinding wheel ontology is by the lower layer's fiberglass gridding cloth, the first layer sand material, middle layer that are distributed from the bottom to top
Fiberglass gridding cloth, second layer sand material, upper layer fiberglass gridding cloth composition, the first layer sand material and second layer sand material by
The raw material of following weight percent is made: SA abrasive material 78%, L-C bonding agent 13%, BH active filler 7%, modifying agent 2%.
2. hand-held engine Large Diameter Slicing machine high speed grinding wheel according to claim 1, it is characterised in that: the modification
Agent is nitrile rubber powder.
3. a kind of hand-held engine Large Diameter Slicing machine high speed grinding wheel production technology as claimed in claim 1 or 2, is successively wrapped
Include material mixing, molding, solidification, packed products, it is characterised in that:
The specific steps of the mixing are as follows: take the raw material of following weight percent: SA abrasive material 78%, L-C bonding agent 13%, BH are living
Property filler 7%, modifying agent 2% are mixed, and adjust the temperature of mixed raw material: 15 DEG C -25 DEG C, humidity 40-60%；Then it carries out
Then first time spice is stored 64 hours；Second of spice is carried out again, then is stored 24 hours, and mixed slurry is made；
The molding specific steps are as follows: a layer fiberglass gridding cloth is put down in advance in molding die, in lower layer's glass fiber mesh
Upper first layer sand material is spread out on Ge Bu, spreads middle layer fiberglass gridding cloth on first layer sand material, then glass fiber mesh in middle level
Upper second layer sand material is spread out on Ge Bu, is finally spread upper layer fiberglass gridding cloth on second layer sand material, is pressed and molded.
4. hand-held engine Large Diameter Slicing machine high speed grinding wheel production technology according to claim 1, it is characterised in that:
The amount of the first layer sand material is the 40% of total mixing slurry weight, and the amount of second layer sand material is total mixing slurry weight
60%.
5. hand-held engine Large Diameter Slicing machine high speed grinding wheel production technology according to claim 1, it is characterised in that:
It is provided with beside molding die for lower layer's fiberglass gridding cloth, middle layer fiberglass gridding cloth, upper layer glass fibre
The heating lamp that grid cloth is heated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811332376.7A CN109277956B (en) | 2018-11-09 | 2018-11-09 | High-speed grinding wheel for handheld engine large-diameter cutting machine and production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811332376.7A CN109277956B (en) | 2018-11-09 | 2018-11-09 | High-speed grinding wheel for handheld engine large-diameter cutting machine and production process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109277956A true CN109277956A (en) | 2019-01-29 |
| CN109277956B CN109277956B (en) | 2024-01-05 |
Family
ID=65175480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811332376.7A Active CN109277956B (en) | 2018-11-09 | 2018-11-09 | High-speed grinding wheel for handheld engine large-diameter cutting machine and production process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109277956B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480531A (en) * | 2019-08-12 | 2019-11-22 | 郑州市弘毅机械有限公司 | A kind of small diameter glass fibers mesh sheet sorting conveying device |
| CN114147633A (en) * | 2021-12-03 | 2022-03-08 | 金华市国泰砂轮研磨有限公司 | Preparation process of high-speed grinding wheel with ceramic corundum resin binder |
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| CN110480531A (en) * | 2019-08-12 | 2019-11-22 | 郑州市弘毅机械有限公司 | A kind of small diameter glass fibers mesh sheet sorting conveying device |
| CN114147633A (en) * | 2021-12-03 | 2022-03-08 | 金华市国泰砂轮研磨有限公司 | Preparation process of high-speed grinding wheel with ceramic corundum resin binder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109277956B (en) | 2024-01-05 |
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