CN102814767A - High-speed safety grinding wheel and preparation method thereof - Google Patents
High-speed safety grinding wheel and preparation method thereof Download PDFInfo
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- CN102814767A CN102814767A CN2012103256434A CN201210325643A CN102814767A CN 102814767 A CN102814767 A CN 102814767A CN 2012103256434 A CN2012103256434 A CN 2012103256434A CN 201210325643 A CN201210325643 A CN 201210325643A CN 102814767 A CN102814767 A CN 102814767A
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- emery wheel
- abrasive material
- preparation
- baking
- lay
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- 238000000227 grinding Methods 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000003365 glass fiber Substances 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000011049 filling Methods 0.000 claims abstract description 8
- 238000005245 sintering Methods 0.000 claims abstract description 4
- 229910001651 emery Inorganic materials 0.000 claims description 38
- 239000003082 abrasive agent Substances 0.000 claims description 27
- 238000000465 moulding Methods 0.000 claims description 19
- 239000005011 phenolic resin Substances 0.000 claims description 12
- 229920001568 phenolic resin Polymers 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 10
- 238000004080 punching Methods 0.000 claims description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 7
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 5
- 239000013078 crystal Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 230000008595 infiltration Effects 0.000 claims description 3
- 238000001764 infiltration Methods 0.000 claims description 3
- 238000003801 milling Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 238000004381 surface treatment Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 abstract description 2
- 241001391944 Commicarpus scandens Species 0.000 abstract 2
- 238000001035 drying Methods 0.000 abstract 1
- 238000002474 experimental method Methods 0.000 abstract 1
- 238000002156 mixing Methods 0.000 abstract 1
- 238000013467 fragmentation Methods 0.000 description 3
- 238000006062 fragmentation reaction Methods 0.000 description 3
- 238000000280 densification Methods 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention discloses a high-speed safety grinding wheel which is characterized by comprising a round disc body, a mounting hole and a steel ring, wherein the mounting hole is formed in the center of the round disc body; the steel ring is formed by embedding grinding materials in the round disc body and is located at the periphery of the mounting hole; and the round disc body is formed by stacking, permeating and sintering a grinding material layer and a glass fiber reinforcement net at an interval. The invention also discloses a preparation method of the high-speed safety grinding wheel; and the preparation method is characterized by comprising the steps of: I. raw material preparing, II. raw material mixing, III. punch forming, IV. drying, V. core filling, and VI. surface treating. The high-speed safety grinding wheel is reasonable in structural design, not easy to break and good in grinding property; according to the preparation method, the whole strength and the grinding force of a product are ensured; and the gradient temperature and the temperature control time are verified by a large number of experiments, so that the stability and the safety of the product are improved; and in the high-speed revolution process, the product is not easy to break, and is safe and stable.
Description
Technical field
The present invention relates to a kind of high-speed secure emery wheel and preparation method thereof, belong to emery wheel and preparation method thereof technical field.
Background technology
Traditional emery wheel is generally made by ceramic material at present, and its hardness and grindability are poor, in grinding process, are easy to generate the accident that fragmentation is hurted sb.'s feelings, and processing safety is poor, can't adapt to run up.
Summary of the invention
The objective of the invention is to solve the weak point that above-mentioned prior art exists, the high-speed secure emery wheel that a kind of intensity is high, not broken, grindability is good is provided, the preparation method of this emery wheel also is provided simultaneously.
For realizing above-mentioned purpose, the technical scheme that the present invention adopts is following:
A kind of high-speed secure emery wheel; Its special character is to comprise circular disk body 1, it is inner and be positioned at the steel ring 3 of installing hole 2 peripheries to be opened in the installing hole 2 at circular disk body 1 center and to be embedded in circular disk body 1 by abrasive material, said circular disk body 1 by abrasive material 4 and glass fibre strengthen net 5 at interval range upon range of infiltration sintering form;
The upper and lower surfaces of said circular disk body 1 is abrasive material 4, and the quantity that the glass fibre that its inside is buried underground strengthens net 5 is the 4-10 layer.
The preparation method of above-mentioned a kind of high-speed secure emery wheel, its special character is may further comprise the steps:
Step 1: raw material is prepared
White fused alumina 90-110 weight portion
Liquid phenolic resin 5-7 weight portion
Powder phenolic resins 6-8 weight portion
Powder ice crystal 5-7 weight portion
Step 2: raw material mixes
Fully mix to four kinds of raw materials of above-mentioned weight portion even back subsequent use as the moulding abrasive material;
Step 3: punch forming
Said moulding abrasive material sent in the mould shakeout, and embedding steel ring and the glass fibre that is used to strengthen integral coherence strengthens net in the moulding abrasive material, said glass fiber mesh and moulding abrasive material wall lay-up are established, and punch forming obtains the emery wheel base;
The specific operation process that said steel ring, glass fiber mesh and moulding abrasive material lay-up are established is: divide at the mould bottommost and lay the moulding abrasive material; Then lay layer of glass at an upper portion thereof and strengthen net; Lay-up operation at interval so repeatedly; Lay to a half of emery wheel thickness and place steel ring and it is embedding, and continued repeats to lay to desired thickness and accomplishes by the molding mass on upper strata on the top that glass fibre strengthens net;
The pressure of said punching operation is controlled at 18-25MPa, punching press 3-6 time, and each punching press time is controlled at 8-12 second;
Step 4: oven dry baking
Said emery wheel base is put into baking oven dry baking, the temperature in the baking oven naturally cools to room temperature after the room temperature gradient rises and controls the corresponding baking time;
Said what rise from the room temperature gradient is six baking temperature, and said six baking temperature and its corresponding baking time are followed successively by: 60-80 ℃ following 2-4 hour; 80-100 ℃ following 2-4 hour; 100-120 ℃ following 2-4 hour; 120-140 ℃ following 2-4 hour; 140-160 ℃ following 3-5 hour; 160-180 ℃ following 3-5 hour;
Step 5: irritate core
Emery wheel after coming out of the stove is sent in the emery wheel filling mould machine and according to the routine operation method of emery wheel filling core it is irritated core;
Step 6: surface treatment
Emery wheel behind the filling core is carried out flat stone mill and peripheral milling respectively, smooth to reach the emery wheel outer surface.
A kind of high-speed secure grinding wheel of the present invention, reasonable in design, the steel ring of adding and glass fibre strengthen the intensity that net can effectively improve product, are difficult for fragmentation, and grindability is good, and cost is low; A kind of preparation method of high-speed secure grinding wheel; White fused alumina densification of adopting and hardness are high, thereby adopt the grinding intensity of phenolic resins as the bond raising product of product, thereby the gradient temperature that adopts in punch forming baking guarantees product integral intensity and grinding force more; Its gradient temperature and temperature control time all are to adopt through the lot of test checking; More increased the stability and the security of product by this method, in the process that runs up, this product is difficult for broken; Safety and stability can adapt to and runs up.
Description of drawings
Fig. 1: a kind of high-speed secure grinding wheel of the present invention structural representation;
The A-A cutaway view of Fig. 2: Fig. 1.
The specific embodiment
Provide the specific embodiment of the present invention below in conjunction with accompanying drawing, be used for composition of the present invention is further described.
Embodiment 1
A kind of high-speed secure emery wheel; Comprise circular disk body 1, be opened in the installing hole 2 at circular disk body 1 center and be embedded in circular disk body 1 by abrasive material inner and be positioned at the steel ring 3 of installing hole 2 peripheries, said circular disk body 1 strengthens net 5 range upon range of infiltration sintering by abrasive material 4 and glass fibre and forms; The upper and lower surfaces of said circular disk body 1 is abrasive material 4, and the quantity that the glass fibre that its inside is buried underground strengthens net 5 is the 4-10 layer.
A kind of preparation method of high-speed secure emery wheel may further comprise the steps:
Step 1: raw material is prepared
White fused alumina 90 weight portions
Liquid phenolic resin 5 weight portions
Powder phenolic resins 6 weight portions
Step 2: raw material mixes
Fully mix to four kinds of raw materials of above-mentioned weight portion even back subsequent use as the moulding abrasive material;
Step 3: punch forming
Said moulding abrasive material sent in the mould shakeout; And an embedding steel ring and eight glass fibres that are used to strengthen integral coherence strengthen nets in the moulding abrasive material; Said eight glass fiber mesh and nine formable layer abrasive material wall lay-ups are established, and last punch forming obtains the emery wheel base;
The specific operation process that said steel ring, glass fiber mesh and moulding abrasive material lay-up are established is: divide at the mould bottommost and lay a formable layer abrasive material; Then lay layer of glass at an upper portion thereof and strengthen net; So repeatedly to eight glass fiber mesh and nine formable layer material are all laid completion at interval; When having laid four-layer glass fiber reinforcement net, place steel ring and it is embedding at an upper portion thereof, and continued repeats to lay to accomplishing by the layer 5 molding mass;
The pressure of said punching operation is controlled at 18-25MPa, punching press 3-6 time, and each punching press time is controlled at 8-12 second;
Step 4: oven dry baking
Said emery wheel base is put into baking oven dry baking, the temperature in the baking oven naturally cools to room temperature after the room temperature gradient rises and controls the corresponding baking time;
Said what rise from the room temperature gradient is six baking temperature, and said six baking temperature and its corresponding baking time are followed successively by: 60 ℃ following 2 hours; 80 ℃ following 2 hours; 100 ℃ following 2 hours; 120 ℃ following 2 hours; 140 ℃ following 3 hours; 160 ℃ following 3 hours.
The difference of present embodiment and embodiment 1 is
Said raw material comprises
White fused alumina 110 weight portions
Liquid phenolic resin 7 weight portions
Powder phenolic resins 8 weight portions
Powder ice crystal 7 weight portions;
Said six baking temperature and its corresponding baking time are followed successively by: 80 ℃ following 4 hours; 100 ℃ following 4 hours; 120 ℃ following 4 hours; 140 ℃ following 4 hours; 160 ℃ following 5 hours; 180 ℃ following 5 hours.
After step 4 oven dry baking, also comprise the steps:
Step 5: irritate core
Emery wheel after coming out of the stove is sent in the emery wheel filling mould machine and according to the routine operation method of emery wheel filling core it is irritated core;
Step 6: surface treatment
The emery wheel of irritating behind the core is carried out flat stone mill and peripheral milling respectively, to reach plane of grinding wheel and cylindrical is smooth.
The difference of present embodiment and embodiment 1 is
Said raw material comprises
White fused alumina 100 weight portions
Liquid phenolic resin 6 weight portions
Powder phenolic resins 7 weight portions
Powder ice crystal 6 weight portions
Said six baking temperature and its corresponding baking time are followed successively by: 70 ℃ following 3 hours; 90 ℃ following 3 hours; 110 ℃ following 3 hours; 130 ℃ following 3 hours; 150 ℃ following 4 hours; 170 ℃ following 4 hours.
A kind of high-speed secure grinding wheel of above embodiment, reasonable in design, the steel ring of adding and glass fibre strengthen the intensity that net can effectively improve product, are difficult for fragmentation, and grindability is good, and cost is low; A kind of preparation method of high-speed secure grinding wheel; White fused alumina densification of adopting and hardness are high, thereby adopt the grinding intensity of phenolic resins as the bond raising product of product, thereby the gradient temperature that adopts in punch forming baking guarantees product integral intensity and grinding force more; Its gradient temperature and temperature control time all are to adopt through the lot of test checking; More increased the stability and the security of product by this method, in the process that runs up, this product is difficult for broken; Safety and stability can adapt to and runs up.
Claims (7)
1. high-speed secure emery wheel; It is characterized in that comprising circular disk body (1), be opened in the installing hole (2) at circular disk body (1) center and be embedded in circular disk body (1) by abrasive material inner and be positioned at the steel ring (3) of installing hole (2) periphery, said circular disk body (1) by abrasive material (4) and glass fibre strengthen net (5) at interval range upon range of infiltration sintering form.
2. a kind of according to claim 1 high-speed secure emery wheel is characterized in that the upper and lower surfaces of said circular disk body (1) is abrasive material (4), and the quantity that the glass fibre that its inside is buried underground strengthens net (5) is the 4-10 layer.
3. the preparation method of a high-speed secure emery wheel is characterized in that may further comprise the steps:
Step 1: raw material is prepared
White fused alumina 90-110 weight portion
Liquid phenolic resin 5-7 weight portion
Powder phenolic resins 6-8 weight portion
Powder ice crystal 5-7 weight portion;
Step 2: raw material mixes
Fully mix to four kinds of raw materials of above-mentioned weight portion even back subsequent use as the moulding abrasive material;
Step 3: punch forming
Said moulding abrasive material sent in the mould shakeout, and embedding steel ring and the glass fibre that is used to strengthen integral coherence strengthens net in the moulding abrasive material, said glass fiber mesh and moulding abrasive material wall lay-up are established, and punch forming is the emery wheel base;
Step 4: oven dry baking
Said emery wheel base is put into baking oven dry baking, the temperature in the baking oven naturally cools to room temperature after the room temperature gradient rises and controls the corresponding baking time.
4. like the preparation method of the said a kind of high-speed secure emery wheel of claim 3, it is characterized in that also including
Step 5: irritate core
Emery wheel after coming out of the stove is sent in the emery wheel filling mould machine and according to the routine operation method of emery wheel filling core it is irritated core;
Step 6: surface treatment
The emery wheel of irritating behind the core is carried out flat stone mill and peripheral milling respectively, to reach plane of grinding wheel and cylindrical is smooth.
5. like the preparation method of claim 3 or 4 said a kind of high-speed secure emery wheels, it is characterized in that in the step 3 punch forming,
The specific operation process that said steel ring, glass fiber mesh and moulding abrasive material lay-up are established is: divide at the mould bottommost and lay the moulding abrasive material; Then lay layer of glass at an upper portion thereof and strengthen net; Lay-up operation at interval so repeatedly; Lay to a half of emery wheel thickness and place steel ring and it is embedding, and continued repeats to lay to desired thickness and accomplishes by the molding mass on upper strata on the top that glass fibre strengthens net.
6. like the preparation method of claim 3 or 4 said a kind of high-speed secure emery wheels, it is characterized in that in the step 3 punch forming,
The pressure of said punching operation is controlled at 18-25MPa, punching press 3-6 time, and each punching press time is controlled at 8-12 second.
7. like the preparation method of claim 3 or 4 said a kind of high-speed secure emery wheels, it is characterized in that in the step 4 oven dry baking,
Said what rise from the room temperature gradient is six baking temperature, and said six baking temperature and its corresponding baking time are followed successively by: 60-80 ℃ following 2-4 hour; 80-100 ℃ following 2-4 hour; 100-120 ℃ following 2-4 hour; 120-140 ℃ following 2-4 hour; 140-160 ℃ following 3-5 hour; 160-180 ℃ following 3-5 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103256434A CN102814767A (en) | 2012-09-06 | 2012-09-06 | High-speed safety grinding wheel and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103256434A CN102814767A (en) | 2012-09-06 | 2012-09-06 | High-speed safety grinding wheel and preparation method thereof |
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| Publication Number | Publication Date |
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| CN102814767A true CN102814767A (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012103256434A Pending CN102814767A (en) | 2012-09-06 | 2012-09-06 | High-speed safety grinding wheel and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103100985A (en) * | 2013-03-01 | 2013-05-15 | 福建一胜多砂轮有限公司 | Superspeed fiber reinforced resin abrasive cut-off wheel |
| CN104440611A (en) * | 2014-11-14 | 2015-03-25 | 宁波大华砂轮有限公司 | Sand disc and preparation method thereof |
| CN106002665A (en) * | 2016-05-30 | 2016-10-12 | 莒南县合兴磨料磨具公共技术服务中心 | Resin grinding wheel and preparation method thereof |
| CN107053025A (en) * | 2017-06-05 | 2017-08-18 | 乐山市同源科技有限公司 | Anticracking emery wheel |
| CN107598791A (en) * | 2017-11-08 | 2018-01-19 | 苏州刘爱英科技信息咨询有限公司 | A kind of manufacture method of carbon fiber skive |
| CN108818328A (en) * | 2018-06-03 | 2018-11-16 | 郑州市双冠磨料磨具有限责任公司 | A kind of colour cutting sheet and preparation method thereof |
| EP3421178A1 (en) | 2017-06-26 | 2019-01-02 | Dronco GmbH | Method of manufacturing an abrasive member, in particular rotary abrasive disc and abrasive member, in particular rotary abrasive disc |
| DE202017007262U1 (en) | 2017-06-26 | 2020-06-15 | Dronco Gmbh | Grinding wheel and grinding body, in particular a rotating grinding wheel |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103100985A (en) * | 2013-03-01 | 2013-05-15 | 福建一胜多砂轮有限公司 | Superspeed fiber reinforced resin abrasive cut-off wheel |
| CN104440611A (en) * | 2014-11-14 | 2015-03-25 | 宁波大华砂轮有限公司 | Sand disc and preparation method thereof |
| CN106002665A (en) * | 2016-05-30 | 2016-10-12 | 莒南县合兴磨料磨具公共技术服务中心 | Resin grinding wheel and preparation method thereof |
| CN107053025A (en) * | 2017-06-05 | 2017-08-18 | 乐山市同源科技有限公司 | Anticracking emery wheel |
| EP3421178A1 (en) | 2017-06-26 | 2019-01-02 | Dronco GmbH | Method of manufacturing an abrasive member, in particular rotary abrasive disc and abrasive member, in particular rotary abrasive disc |
| WO2019002182A1 (en) | 2017-06-26 | 2019-01-03 | Dronco Gmbh | Method of manufacturing an abrasive member, in particular rotary abrasive disc and abrasive member, in particular rotary abrasive disc |
| JP2019005898A (en) * | 2017-06-26 | 2019-01-17 | ドロンコ ゲーエムベーハーＤＲＯＮＣＯ ＧｍｂＨ | Abrasive member, in particular rotary abrasive disc and method for producing abrasive member, in particular rotary abrasive disc |
| DE202017007262U1 (en) | 2017-06-26 | 2020-06-15 | Dronco Gmbh | Grinding wheel and grinding body, in particular a rotating grinding wheel |
| CN107598791A (en) * | 2017-11-08 | 2018-01-19 | 苏州刘爱英科技信息咨询有限公司 | A kind of manufacture method of carbon fiber skive |
| CN108818328A (en) * | 2018-06-03 | 2018-11-16 | 郑州市双冠磨料磨具有限责任公司 | A kind of colour cutting sheet and preparation method thereof |
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Application publication date: 20121212 |