CN1189290C - Sintered grinding block for grinding ceramic plate - Google Patents
Sintered grinding block for grinding ceramic plate Download PDFInfo
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- CN1189290C CN1189290C CNB031266789A CN03126678A CN1189290C CN 1189290 C CN1189290 C CN 1189290C CN B031266789 A CNB031266789 A CN B031266789A CN 03126678 A CN03126678 A CN 03126678A CN 1189290 C CN1189290 C CN 1189290C
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Abstract
The present invention relates to a sintered grinding block for grinding ceramic sheet materials, which belongs to the technical field of grinding tools for ceramic planes. The present invention aims to solve the technical problem of the raise of the utilization rate of silicon carbide abrasives in the grinding block and thereby, to enhance the durability of the grinding block. Compared with an originally used grinding block, waste materials ground by machine grinding are greatly reduced. Thereby, industrial pollution is greatly reduced, which is favorable to environmental protection. Therefore, the present invention has the following technical proposals: firstly, the chemical components (weight percentage) of the sintered grinding block comprises 39 to 51 of abrasives, 3 to 8 of fluxing agents, 5 to 16 of filling materials, 24 to 37 of sintered binders, 1.8 to 4 of an additive (1), 2.2 to 5 of an additive (2) and a proper quantity of water; secondly, the components are mixed, are ball milled, are stirred uniformly, are put into a mould, are pressed and molded by a press and are sintered into the finished product by a furnace. Sintering temperature range is between 800 DEG C and 1250 DEG C, and sintering time range is between 9 hours and 14 hours. The sintered grinding block can be made into the shape of clockwise skewed teeth or other shapes.
Description
Technical field
The present invention relates to ceramic flat surface grinding tool technical field, the sintering grinding block that particularly a kind of ceramic board grinding is used.
Background technology
Existing application is to do glue crosslinking agent with magnesia, magnesium chloride in the abrading block of floor tile and stone material grinding-polishing, and the carbonization silica sand is done abrasive material, through the mixing pulping, and casting forming, natural air drying is deposited more than 15 days and could be used.This abrading block has the following disadvantages:
(1) the abrasive material carborundum sand that price is the most expensive, utilization rate is low, and this is because glue crosslinking agent is little to particle and adhesion surperficial comparatively slick and sly carborundum sand is not strong, abrading block is shaped and only depends on natural air drying, therefore its abrasive material breaks away from the abrading block water that is cooled easily and washes away, utilization rate less than 50%, and waste is greatly.
(2) the abrading block durability is low, and every abrading block was only just scrapped about 2 hours in the machine grinding time.Because abrading block service time is short, need frequently to change, wasted the time, water power, grinding machine often flogs a dead horse, and has increased working strength of workers again.
(3) abrasive material can not be formed firm integral body because employed glue connects mixture, abrading block is stressed in grinding process, under the effect of rotating speed, belt pressure, add the frictional force of adobe, caused the abrading block abrasive material fast mill take off.Calculate by 28 grinding machines, per hour directly abrasion are 84 kilograms of dry sand powder, add cooling water, then per hour are no less than 250 kilograms of mortars and discharge, and contaminated environment is brought serious environmental issue.
Summary of the invention
The technical problem to be solved in the present invention is: (1) improves the utilization rate of silicon carbide abrasive in abrading block, thereby improves the durability of abrading block; (2) waste material under the machine grinding is ground will reduce significantly than the abrading block of original employing, thereby has reduced industrial pollution widely, helps environmental protection.
Technical solution proposed by the invention is such: the sintering grinding block that a kind of ceramic board grinding is used, comprise abrasive material carborundum, and its manufacture method is:
(1) chemical constituent of sintering grinding block (percentage by weight):
Abrasive material 39-51, flux 3-8, inserts 5-16, sintering binder 24-37, additive I 1.8-4, additive II 2.2-5, suitable quantity of water;
Wherein:
1. abrasive material can add the 10-20% corundum powder of abrasive material total amount based on silicon-carbide particle;
2. the chemical constituent of sintering binder (percentage by weight):
Fluorite 1-3, talcum 4-6, porcelain powder 66-77, chamotte powder 8-12, quartzy 4-5, potassium stone 6-9;
3. the chemical constituent of inserts (percentage by weight):
Calcium carbonate 23-65, crushed crude pearlite 35-77;
4. the chemical constituent of additive I (percentage by weight):
Dextrin 60-75, gluconic acid sodium salt 22-38, formaldehyde 2-3;
5. the chemical constituent of additive II (percentage by weight):
Talcum powder 62-65, magnesium stearate 20-22, polymer alumina 13-18;
(2) processing step of manufacturing sintering grinding block:
1. sintering binder, inserts, flux and additive I, additive II are milled to 200-260 order fineness by said ratio is mixed with ball mill;
2. add abrasive material and suitable quantity of water by said ratio, mix thoroughly with batch mixer;
3. the above-mentioned batching that mixes is put into mould, use the press injection-compression molding;
4. sinter finished product into through kiln, its sintering range is 800 ℃-1250 ℃, and the sintering time scope is 9-14 hour.
The shape of the sintering grinding block made from said method can be a helical teeth shape clockwise, and every row's helical teeth is positioned at the abrading block both sides and equidirectionally staggers mutually.
Sintering grinding block shape with the said method manufacturing also can be for being inlaid with the rectangular stick of irregular silicon-carbide particle.
The adding of above-mentioned inserts is a purpose to reduce cost, to adjust the abrading block soft durometer.
Additive I be when making abrading block to a kind of lubricant of ceramic powder, be convenient to die cast.
Additive II is used to prevent fission and inner carbonization, with hardness that guarantees abrading block and the shape of protecting abrading block.
Flux is to adopt borax to add in the bond after dry powder is made in the modification processing to use, and plays fluxing action, thereby reduces refractoriness, saves time and fuel.
Compared with prior art, the present invention has following remarkable result:
(1) the present invention uses sintering binder can make silicon carbide abrasive and auxiliary material form firm integral body, improved the durability of abrading block, every sintering grinding block was brought up to 8-10 hour in the machine grinding time by original about about 2 hours, significantly reduce the number of times of changing abrading block, improved the utilization rate of equipment for grinding.
(2) improved the utilization rate of silicon carbide abrasive particles, brought up to more than 85% from original less than 50%; Meanwhile, the waste material under the machine grinding is ground has significantly reduced industrial pollution than original about reduction by 75% more than, helps environmental protection.
Description of drawings
Fig. 1 is a kind of sintering grinding block stereogram that is clockwise helical teeth shape of the present invention.
Fig. 2 is a kind of rectangular strip sintering grinding block stereogram that is inlaid with irregular silicon-carbide particle that is contained on the grinding tool plastic clip of the present invention.
The specific embodiment
By following embodiment the present invention is further elaborated.
Embodiment 1:
(1) each materials chemistry component is equipped with (percentage by weight):
1. abrasive material: silicon-carbide particle 90, corundum powder 10;
2. sintering binder: fluorite 2, talcum 6, porcelain powder 71, chamotte powder 9, quartzy 5, potassium stone 7;
3. inserts: calcium carbonate 45, crushed crude pearlite 55;
4. add I: dextrin 60, gluconic acid sodium salt 38, formaldehyde 2;
5. additive II: talcum powder 62, magnesium stearate 20, polymer alumina 18.
(2) sintering grinding block chemical constituent (percentage by weight):
Abrasive material 39, flux 8, inserts 12, sintering binder 32, additive I 4, additive II 5, suitable quantity of water.
(3) processing step of manufacturing sintering grinding block:
1. sintering binder, inserts, flux and additive I, additive II are milled to 200-260 order fineness by said ratio is mixed with ball mill;
2. add abrasive material and suitable quantity of water by said ratio, mix thoroughly with batch mixer;
3. the above-mentioned batching that mixes is put into mould, use the press injection-compression molding;
4. sinter sintering grinding block into through kiln, its sintering temperature is 800 ℃, and sintering time is 9 hours.
Embodiment 2:
(1) each materials chemistry set of dispense is than (percentage by weight):
1. abrasive material: silicon-carbide particle 85, corundum powder 15;
2. sintering binder: fluorite 1, talcum 4, porcelain powder 77, chamotte powder 8, quartzy 4, potassium stone 6;
3. inserts: calcium carbonate 23, crushed crude pearlite 77;
4. add I: dextrin 67.5, calcium gluconae 30, formaldehyde 2.5;
5. additive II: talcum powder 63.5, magnesium stearate 21, polymer alumina 15.5.
(2) sintering grinding block chemical constituent (percentage by weight):
Abrasive material 44.5, flux 5.5, inserts 16, sintering binder 24, additive I 6, additive II 4, suitable quantity of water.
Processing step and the example 1 of making sintering grinding block are same, and just sintering temperature is 960 ℃, and sintering time is 11 hours.
Embodiment 3:
(1) each materials chemistry set of dispense is than (percentage by weight):
1. abrasive material: silicon-carbide particle 80, corundum powder 20;
2. sintering binder: fluorite 3, talcum 5, porcelain powder 66, chamotte powder 12, quartzy 5, potassium stone 9;
3. inserts: calcium carbonate 65, crushed crude pearlite 35;
4. add I: dextrin 75, gluconic acid sodium salt 22, formaldehyde 3;
5. additive II: talcum powder 65, magnesium stearate 22, polymer alumina 13.
(2) sintering grinding block chemical constituent (percentage by weight):
Abrasive material 51, flux 3, inserts 5, sintering binder 37, additive I 1.8, additive II 2.2, suitable quantity of water.
Processing step and the example 1 of making sintering grinding block are same, and just sintering temperature is 1250 ℃, and sintering time is 14 hours.
Embodiment 4
Referring to shown in Figure 1, this sintering grinding block be shaped as clockwise helical teeth shape, every row's helical teeth be positioned at abrading block 3 both sides and equidirectional, stagger mutually.Such arrangement architecture is to consider that the helical teeth back side was formerly stressed when abrading block 3 was installed on the grinding machine spin friction, can alleviate skin resistance, is difficult for scraping the mashed sheet material that is ground.Next is that profile of tooth space between the helical teeth can form the conjugative bridge between magnesia, magnesium chloride glue crosslinking agent and the abrading block, not only play to abrading block bonding, control effect, increase the abrading block edge of a knife but also play, thereby strengthen the effect of its cutting force.In addition, helical teeth is positioned at the corresponding both sides of abrading block 3, and a side is to leave profile of tooth space 2 between row helical teeth 1, the per tooth, opposite side too, only two row's helical teeth are equidirectional and stagger mutually, can avoid occurring leaking in grinding process the mill phenomenon like this.
Embodiment 5:
Referring to shown in Figure 2, this sintering grinding block be shaped as the rectangular stick that is inlaid with irregular silicon-carbide particle.Sintering grinding block 4 rough surface, corner angle are many, silicon-carbide particle 5 part evaginations, it can fully organically combine with magnesia, the crosslinked bond of magnesium chloride.
As seen, the sintering grinding block good integrity can have been given full play to the ground effect of abrasive particle in the sintering grinding block, and abrasive material is difficult to come off, and is wear-resisting, the stock-removing efficiency height.
Above-mentioned two kinds of shapes of giving an example are two kinds of main shapes in the sintering grinding block different shape of the present invention, also belong within the protection domain of the presently claimed invention for other sintering grinding block shapes of not enumerating.
Claims (3)
1, the sintering grinding block used of a kind of ceramic board grinding comprises abrasive material carborundum, it is characterized in that:
The chemical constituent of described sintering grinding block is by weight percentage:
Abrasive material 39-51, flux 3-8, inserts 5-16, sintering binder 24-37, additive I 1.8-4, additive II 2.2-5, suitable quantity of water;
Wherein:
Abrasive material can add the 10-20% corundum powder of abrasive material total amount based on silicon-carbide particle;
The chemical constituent of sintering binder is by weight percentage:
Fluorite 1-3, talcum 4-6, porcelain powder 66-77, chamotte powder 8-12, quartzy 4-5, potassium stone 6-9;
The chemical constituent of inserts is by weight percentage:
Calcium carbonate 23-65, crushed crude pearlite 35-77;
The chemical constituent of additive I is by weight percentage:
Dextrin 60-75, gluconic acid sodium salt 22-38, formaldehyde 2-3;
The chemical constituent of additive II is by weight percentage:
Talcum powder 62-65, magnesium stearate 20-22, polymer alumina 13-18.
2, the sintering grinding block of using according to the ceramic board grinding that claim 1 obtained is characterized in that: described sintering grinding block be shaped as clockwise helical teeth shape, every row's helical teeth is positioned at the abrading block both sides and equidirectionally staggers mutually.
3, the sintering grinding block of using according to the ceramic board grinding that claim 1 obtained is characterized in that: described sintering grinding block is the rectangular stick that is inlaid with irregular silicon-carbide particle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031266789A CN1189290C (en) | 2003-05-22 | 2003-05-22 | Sintered grinding block for grinding ceramic plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031266789A CN1189290C (en) | 2003-05-22 | 2003-05-22 | Sintered grinding block for grinding ceramic plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1453102A CN1453102A (en) | 2003-11-05 |
| CN1189290C true CN1189290C (en) | 2005-02-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031266789A Expired - Fee Related CN1189290C (en) | 2003-05-22 | 2003-05-22 | Sintered grinding block for grinding ceramic plate |
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| CN (1) | CN1189290C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1331811C (en) * | 2005-10-14 | 2007-08-15 | 广东奔朗超硬材料制品有限公司 | Ceramic sintered silicon carbide granular grinding block and its manufacturing method |
| CN103770026A (en) * | 2014-01-10 | 2014-05-07 | 当涂县南方红月磨具磨料有限公司 | Ceramic black corundum grinding wheel |
| CN104400671A (en) * | 2014-10-23 | 2015-03-11 | 秦科 | High-polishing grinding tool and manufacturing method thereof |
| CN107722934A (en) * | 2017-10-09 | 2018-02-23 | 山东天汇研磨耐磨技术开发有限公司 | A kind of abrasive body and its production method based on the compound of ceramics and metal |
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2003
- 2003-05-22 CN CNB031266789A patent/CN1189290C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN1453102A (en) | 2003-11-05 |
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