CN101862827A - Formula and production process of diamond ultrathin cutting blade for cutting quartz glass - Google Patents
Formula and production process of diamond ultrathin cutting blade for cutting quartz glass Download PDFInfo
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- CN101862827A CN101862827A CN200910218727A CN200910218727A CN101862827A CN 101862827 A CN101862827 A CN 101862827A CN 200910218727 A CN200910218727 A CN 200910218727A CN 200910218727 A CN200910218727 A CN 200910218727A CN 101862827 A CN101862827 A CN 101862827A
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Abstract
The invention relates to a blade and a process, in particular to a formula and a production process of a diamond ultrathin cutting blade used for cutting quartz glass. The invention is characterized in that: the cutting blade is prepared by using copper powder as a bonding agent and mixing the copper powder with auxiliary metal fillers; based on a total percentage of 100 percent of the copper powder and the auxiliary metal fillers, the copper powder bonding agent, of which the average particle size is 0.46 micrometers, accounts for 68 percent, the tin powder auxiliary filler 13.5 percent, silver powder 14 percent, iron power 3 percent and added graphite powder 0.5 percent; and according to the volume of the blade, a diamond grinding material of which the diamond content is 0.66G/CBM is add to be mixed with the auxiliary metal fillers and the bonding agent. The production process of the composite diamond cutting blade comprises: 1) mixing and material preparation; 2) mold filling and material feeding; 3) pre-pressing and fixed-mold hot pressing; 4) mold release and hardening; 5) protective-atmosphere cooling; 6) machining; 7) product inspection; and 8) ironing, packing and warehousing. The blade has a low compatibility with steel like materials, low cutting wettability and small friction with machined materials and therefore has a prolonged service life.
Description
Technical field
The present invention relates to a kind of blade and technology, particularly a kind of formula of diamond ultrathin blade and production technology that is used for the quartz glass cutting.
Background technology
Compound diamond section has characteristics such as good wearability, heat-resisting quantity, corrosion resistance, but has shortcomings such as intensity is lower, toughness deficiency simultaneously.Adding additive in composite diamond is the effective ways that improve diamond intensity and toughness, and the composite diamond section of adopting this method to produce has higher intensity, toughness and density.
The traditional handicraft method of making the composite diamond section is pressure sintering (HP), promptly under certain process conditions metal powder material is hot pressed into the pie sintered body, cuts into the shape that needs by line cutting or skive then, carries out sharpening by iso standard again.Though with this explained hereafter diamond chipping qualities is stable, compactness is good, crystal grain is tiny, have following shortcoming: 1. there is anisotropy in blade; 2. can not produce blade complex-shaped and with holes; 3. the production cycle long, production efficiency is low, the production cost height.
Summary of the invention
The purpose of this invention is to provide a kind of formula of diamond ultrathin blade and production technology that is used for the quartz glass cutting, this blade strength height, toughness and good compactness; The friction of blade and machined material is less, the blade long service life; And easily manufactured, production cost is low, the production efficiency height.
The objective of the invention is to be achieved through the following technical solutions, a kind of formula of diamond ultrathin blade and production technology that is used for the quartz glass cutting, it is characterized in that: this section is to be bonding agent by copper powder, adding assistant metal filler sum is that 100% proportioning is mixed, wherein the copper powder bonding agent is 68%, and average grain diameter is 0.46 μ m; Auxiliary packing glass putty 13.5%, silver powder 14%, iron powder 3% adds 0.5% graphite powder, and adding diamond content by the volume of blade size is that the diamond abrasive of 0.66G/CBM mixes with assistant metal filler, bonding agent.
Described bortz powder average grain diameter is 0.46 μ m.
Described blade is a toroidal, and apparent size external diameter * internal diameter * thickness is 82 * 40 * 0.6, and unit is mm.
The technological process of production of this composite diamond section is: 1) mix; 2) the dress mould feeds intake; 3) precompressed and cover half hot pressing; 4) mould unloading sclerosis; 5) atmosphere protection cooling; 6) machining; 7) examination and test of products; 8) branding and packing warehouse-in.
The concrete processing step of described this diamond section is as follows:
1) mix:
A) according to above-mentioned weight percent proportioning with raw material: auxiliary condiment, Buddha's warrior attendant building stones mix; Then two kinds of raw materials are carried out ball milling → vibration → ball milling through ball mill, add dispersant ethanol again powder is uniformly dispersed by evenly the bonding agent of the above-mentioned percentage by weight raw material after with ball milling is sticking again, 80 orders sieve, and compound is dried in vacuum tank;
B) mixing granulation: 1. the step a) powder is pressed into blocks in advance, uses 20 orders and 40 purpose sieve after smashing respectively, remove greater than 20 orders less than 40 purpose powders; 2. drum-type granulation forms with ball milling bucket and ball mill continuous rolling;
2) the dress mould feeds intake
Mixed raw material is packed in the prefabricated mould, coat the zinc stearate antitack agent, will expect to drop in the film chamber and stir evenly, wipe off;
3) precompressed and cover half hot pressing:
Above-mentioned raw material after granulation is suppressed by composite diamond section mould, be hot-pressed onto given size having on the press of heating plate then;
4) mould unloading sclerosis
Insulation finishes the hot demoulding, and the slow cooling of product blank is to room temperature; The sclerosis of air blast Electric heat oven;
5) atmosphere protection cooling:
Base substrate is warming up to 1200 ℃ under vacuum dress attitude, adds the argon shield of 2MPa; When being warming up to 1850 ℃ then, be incubated 30 minutes, add the argon gas of 8MPa again, cool off with stove; Its true temp is respectively 400 ℃ and 1200 ℃;
6) machining:
Carry out sharpening with resin bond wheel and by the blade of C18WC grinding fluid after to above-mentioned processing;
7) examination and test of products:
8) branding, packing warehouse-in
Baking temperature is not higher than 80 ℃ in the described vacuum tank.
Described drum-type granulation continuous rolling 30～60 minutes.
Described precompressed press pressure is 300-600kg/cm
2Hot pressing temperature is 170-180 ℃, insulation 10-30min.
185 ℃ of sclerosis of described Electric heat oven 8h.
The invention has the beneficial effects as follows: because the main component of this composite diamond section is to add a certain proportion of various different components metal dusts in the diamond base-material, proportioning by its compound and manufacturing process make this blade strength height, toughness and good compactness; Product has excellent toughness and wearability, and the friction of blade and machined material is less, and long service life reduces production costs greatly, and ultra-thin edge of a knife cutting is sharp, improves cutting efficiency.
The specific embodiment
Below the present invention will be further described by specific embodiment, need to prove that following embodiment only is used to illustrate the present invention, but be not limited to practical range of the present invention.
Embodiment 1
Be that the 0.66G/CBM diamond abrasive is calculated accurate weight according to the stereometer of blade with diamond content at first according to proportioning, copper powder bonding agent to following percentage by weight is 68% again, average grain diameter is 0.46 μ m, auxiliary packing glass putty 13.5%, silver powder 14%, iron powder 3% adds 0.5% graphite powder and prepares burden, it is 100% that bonding agent adds assistant metal filler sum, and the bortz powder average grain diameter is 0.46 μ m.
Again according to the technological process of production of this composite diamond section: 1) mix; 2) the dress mould feeds intake; 3) precompressed and cover half hot pressing; 4) mould unloading sclerosis; 5) atmosphere protection cooling; 6) machining; 7) examination and test of products; 8) branding and packing warehouse-in.
Its manufacturing technology steps is as follows:
1) mix
A) match well raw material and auxiliary packing according to above-mentioned weight percent, with copper powder 68%, glass putty 15%, silver powder 14%, iron powder 3% add 0.5% graphite powder Buddha's warrior attendant building stones and mix; Then two class raw materials are carried out ball milling → vibration → ball milling through ball mill, evenly add dispersant ethanol again powder is uniformly dispersed the bonding agent phenolic resins of the above-mentioned percentage by weight raw material after with ball milling is bonding again, 80 orders sieve, compound is dried in vacuum tank, and baking temperature is not higher than 80 ℃.
B) mixing granulation: 1. the step a) powder is pressed into blocks in advance, uses 20 orders and 40 purpose sieve after smashing respectively, remove greater than 20 orders less than 40 purpose powders; 2. drum-type granulation forms through 60 minutes continuous rollings with ball milling bucket and ball mill;
2) the dress mould feeds intake
Mixed raw material is packed in the prefabricated mould, coat the zinc stearate antitack agent, will expect to drop in the film chamber and stir evenly, wipe off; Wherein, the mould selection is mainly high-carbon steel, alloy tool steel or heat resisting steel.
3) precompressed and cover half hot pressing:
Above-mentioned raw material after granulation is suppressed by composite diamond section mould, be pressed in advance on the press of regulation tonnage and be pressed, pressure is 600kg/cm
2Having on the press of heating plate, be hot-pressed onto given size then, temperature is l80 ℃, and temperature retention time is generally 30min because of the product size size is different.
4) mould unloading sclerosis
Insulation finishes to get final product the hot demoulding, and the slow cooling of product blank is to room temperature.Carry out hardening process then, thereby the internal stress that produces when eliminating moulding and carries out fully the hardening of resin reaction, hardening process by air blast Electric heat oven equipment in 185 ℃, temperature retention time: 8h.Strict control is wanted in intensification and cooling rate, in order to avoid cause the product distortion.
5) atmosphere protection cooling:
Base substrate is warming up to 1200 ℃ under vacuum state, adds the argon shield of 2MPa; When being warming up to 1850 ℃ then, be incubated 30 minutes, add the argon gas of 8MPa again, cool off with stove; Its true temp is respectively 400 ℃ and 1200 ℃;
6) machining:
Carry out sharpening with resin bond wheel and by the blade of C18WC grinding fluid after to above-mentioned processing, apparent size apparent size ￠ 82 * 40 * 0.6mm (external diameter * internal diameter * thickness) of machining mainly is the machining of endoporus, cylindrical and end face, size, form and position tolerance and the outward appearance etc. that must reach client or GB regulation require and pass through to check affirmation, and provide Certificate of Compliance.
7) examination and test of products;
8) branding; The packing warehouse-in.
Technological principle of the present invention is as managing down:
The powder situation
Described bortz powder average grain diameter is 0.46 μ m, and density is 0.66g/cm
3(diamond abrasive content: 0.66G/CBM)
Mix
The purpose of this operation is to make the full and uniform mixing of various raw materials.The powder treatment process is: ball milling → vibration → ball milling.Ball milling+vibration total time should be controlled at about 72 hours, and is too short as the time, can cause powder undercompounding; As overlong time, can cause that agglomeration etc. appears in ball-milling medium.Adopt alcohol as dispersant, powder is uniformly dispersed and helps oven dry.Application 80 mesh sieve sieve before it should be noted that the slurry oven dry, and the impurity that produces in the mechanical milling process is filtered.In addition, metal-powder should place in the airtight container, avoids the moisture absorption, and the holding time preferably is no more than 3 months.The oven dry of compound should be carried out in vacuum tank, and baking temperature should not be higher than 80 ℃, so that alcohol reclaims and prevent the bonding agent volatilization.
The composite diamond section is a Main Ingredients and Appearance with the diamond dust, auxiliary packing mainly contains Cu, ZnO, SiC, carbon black, in order to adapt to the requirement of different cutting object and cutting process method, can finish by adjusting methods such as composition, proportioning, pressed density, hot pressing system.Choose the resin and the auxiliary material powder that meet technical conditions, after calculating according to proportioning, with electronic balance or the accurate weighing of counter balance, a small amount of bond can be in mortar manual mixing even, measure and must mix with machine when big, as the three-dimensional eddy current batch mixer.
After bond has been prepared, generally need to check following project:
(1) sample examination, whether composition, ratio be correct;
(2) get material and be placed on the plate glass, flatten, have or not the color spot of color and luster inequality in the microscopic examination material with leveling ruler.Preferably existing the mixing now of bond used.Otherwise in the port grinding bottle of packing into, and bottle is placed in the drier preserves.
According to product purpose, generally select the diamond of models such as RVD for use, granularity as 325/400, W40, W28 etc., mainly be to require to select according to working (machining) efficiency and crudy, concentration is defined as: the shared volume ratio of diamond is 25% in the abrasive material, and diamond content is 0.88g/cm
3, be defined as 100% concentration.Other concentration calculate as benchmark, and finally calculate adamantine interpolation quality, and generally life-span and the efficient according to product requires to determine concentration.Concentration commonly used has: 50%, 75%, 100%, 125% etc.
The mould selection is mainly high-carbon steel, alloy tool steel or heat resisting steel.Processing, arrangement mould, trial assembly is coated the zinc stearate antitack agent after confirming, will expect to drop in the film chamber to stir evenly, wipe off.Be pressed in advance on the press of regulation tonnage and be pressed, general pressure is 300-600kg/cm
2Having on the press of heating plate, be hot-pressed onto given size then, temperature is 170-180 ℃, and temperature retention time is generally lO-30min because of the product size size is different.Insulation finishes to get final product the hot demoulding, and the slow cooling of product blank is to room temperature.The internal stress that produces when eliminating moulding, and make the hardening of resin reaction carry out need carrying out hardening process fully, major parameter is: temperature: 185 ℃, and temperature retention time: 8h.Equipment is the air blast Electric heat oven.Strict control is wanted in intensification and cooling rate, in order to avoid cause the product distortion.
The dress mould feeds intake
The dry powder suppression process of composite diamond section is all very high to the granulation requirement of morphology microstructure, powder surface charge condition and mixed powder, so the pressing process difficulty is bigger.Low excessively as green density, be difficult to reach required density behind the sintering, simultaneously base substrate shrank conference and caused Sharpening a knife blade surplus deficiency behind the sintering; Too high as green density, then can cause the recessive crackle (these crackles are difficult to detect before the sintering) of base substrate inside.Add bonding agent and can improve suppression performance, but bonding agent too much can increase the blade hole, blade capabilities is descended; Bonding agent deficiency or Mold Making precision not Gao Zehui cause the base substrate lamination.For alkali is suppressed defective less, can when mfg. moulding die, increase pattern draft.
Precompressed and cover half hot pressing:
Composite diamond section precompressed and cover half heat pressing process are similar to traditional hard alloy cutter production technology.PEG (polyethylene glycol) temperature that the present invention adopts is controlled at 400 ℃.Should near its volatilization point temperature, be incubated the long period according to the characteristics of PEG when precompressed and cover half hot pressing.For preventing to enter vavuum pump after the PEG gasification, influence the serviceability of vavuum pump, can before pump, increase condensation PEG retracting device.In precompressed and cover half hot pressing, should note taking precautions against fortuitous events such as unexpected power failure, prevent that cold air from entering, otherwise can cause blade oxidation or pulverizing.Should compare with the base substrate weight before precompressed and the cover half hot pressing after precompressed and the cover half hot pressing, to determine whether emptying of PEG.Bad body after precompressed and the cover half hot pressing is sintering in time, places the long period as need, then should guard against damp.
The mould unloading cure process
The mould unloading hardening process adopts gas-protecting sintering (GPS)+high temperature insostatic pressing (HIP) (HIP) treatment technology.The GPS sintering is that base substrate is warming up to 1200 ℃ under vacuum state, adds the argon shield of 2MPa; When being warming up to 1850 ℃ then, be incubated 30 minutes, add the argon gas of 8MPa again, cool off with stove.During sintering, the height of vacuum directly influences the eliminating of base substrate moisture, and the height of true temp then can influence hardness and the intensity behind the blade sintering.Process data shows: its HV hardness of blade that adopts true temp to be respectively the process program sintering of 400 ℃ and 1200 ℃ differs about 0.5GPa, and intensity differs more than the 50MPa.Blank density behind the GPS sintering should be controlled at 93%～98% of solid density.If continue to heat up or prolong temperature retention time, though can improve blank density, blank strength can sharply descend.Behind blank density＞93%, open pore is eliminated substantially, and sintering power is obviously not enough, heats up this moment or prolongs temperature retention time crystal grain is increased, thereby eliminate closed pore, increases blank density.When adopting GPS method sintering blade, if sintering protection air pressure＜20MPa (the protection air pressure of general GPS sintering furnace all is lower than 20MPa) does not then have obvious difference with low pressure (2MPa) sintering effect.In sintering process, adopt argon shield, can prevent that on the one hand TiCN from decomposing, can guarantee the uniformity (because the argon gas in the stove also can be used as heat transfer medium) of temperature in the kiln on the other hand.
Technique for hardening treatment application wide (comprise high temperature alloy, carbide alloy, pottery, synthetic material, diffusion bonding, foundry goods is densified and welding etc.), but because apparatus expensive, technical sophistication, it is bigger therefore to apply difficulty at home.Adopt the manufacturing of mould unloading technique for hardening treatment that the blade quality is increased substantially, kept the cold presswork method can make complex-shaped or with holes composite diamond section simultaneously and dirt produces efficient than characteristics such as height.
Because technique for hardening treatment has relatively high expectations to sheath material and operating technology, the product and the production efficiency that therefore are generally used for making simple shape are lower.The composite diamond section that utilizes hardening furnace to handle through the GPS sintering does not then need jacket, this is because when blade blank density＞93%, open pore is eliminated fully, can form jacket naturally in billet surface, so the blade base substrate can not add any capsule device and directly places in the hardening furnace and handle.In processing procedure, as pressure medium, pressurization 150MPa is warming up to 1760 ℃, is incubated 1 hour, cools off with stove with argon gas.After cure process, the blade blank density can reach more than 99% of solid density, and blank strength can increase by 50～200MPa on the basis of GPS sintering, and the blade microhardness can improve 0.5～1GPa.The performance comparison of composite diamond section sees Table l (data are the mean value of one group of 12 test specimen in the table) before and after the cure process.
After cure process, the microstructure of composite diamond section can not change substantially, this is that crystal grain is grown owing to temperature is lower better, so the overall performance of blade significantly improves because the closed pore of blade base substrate is eliminated under high pressure (150MPa) by force.
Composite diamond section density＞99.2% of the present invention, hardness HV＞20.5GPa, toughness K
Ic＞5.5MPam
1/2, three-point bending resistance intensity＞700MPa.TiCN is disperse distribution, the about 2 μ m of average grain size in the material structure.Table 2 has been listed the performance indications of several typical diamond blades.
The performance comparison of composite diamond section before and after table 1 cure process
Density HV hardness toughness intensity
Performance indications
(g/cm
3) (GPa) (Mpa·m
1/2) (MPa)
Cure process preceding 4.14 19.15 5.69 509
After the cure process 4.25 20.67 5.76 726
The performance indications of several typical gold hard rock sections of table 2
Blade hardness
Material composition bending strength production unit
The trade mark (HRA)
The present invention
LT55 Al
2O
3-TiC-Mo-Ni 93.7～94.8 1000～1200
(Xi'an Ze Hao company)
AT6 Al
2O
3-TiC+ metal 93.5～94.5 880～930 Lengshuijiang chemical tool factories
T2 Al
2O
3-TiC-ZrO
2HR15N 〉=96.5 900～1000 Chengdu Tool Research Institute
CC650 Al
2O
3-TiC 93.5～94.5-Sweden Sandvik company
YA-1 Al
2O
3-TiCN HV20～Chongqing, 21＞700 Chongqing human relations company
Machining:
Carry out sharpening with the blade of resin bond wheel after, by the C18WC grinding fluid to above-mentioned processing.Machining mainly is the machining of endoporus, cylindrical and end face, and size, form and position tolerance and the outward appearance etc. that must reach client or GB regulation requires and confirm by check.
The mechanical processing quality of composite diamond section is very big to the influence of cutter serviceability, should note following problem in blade machinery manufacturing procedure:
1) selection of emery wheel
The sharpening of composite diamond section should be selected resin bond wheel for use.Though the self-sharpening of resin bond wheel is relatively poor, sharpening efficiency is lower, can not destroy blade strength; Though and the metal bonded wheel self-sharpening is good, sharpening efficiency is high, can reduce by the intensity of sharpening blade, promptly emery wheel is got over " soft ", and the surface quality of sharpening blade is good more.The abrasive grain of skive is thin more, and grinding efficiency is low more, but the blade blemish is few more; Abrasive grain is thick more, and grinding efficiency is high more, but the blade blemish is also many more.For taking into account grinding efficiency and surface quality, can when corase grind, select the thicker emery wheel of granularity for use, reserve very little allowance; Then select the thinner emery wheel of granularity during correct grinding for use.The selection of grinding wheel shape is also very important, should adopt flat-faced wheel as far as possible, and the blade face quality of flaring cup wheel and saucer wheel processing is poor slightly.
2) grinding fluid selects for use
The sharpening difficulty of composite diamond section is bigger, and is also higher to the requirement of grinding fluid.The effect of grinding fluid also will be bonded at wheel face by timely cleaning, have the self-sharpening that guarantees emery wheel than the composite diamond section abrasive dust of big viscosity except that cooling.The C18WC grinding fluid effect of U.S. Master chemical company is better, and as adding cleaning agent simultaneously in this grinding fluid, effect can further improve.
The sharpening of the negative chamfered edge of blade requires: the negative chamfered edge of different processing occasions, workpiece material and cutting parameter blade has different requirements.The mode of negative chamfered edge mainly contains single chamfered edge and combination chamfered edge.Generally speaking, require to guarantee the uniformity of negative chamfered edge angle of blade and width.For reducing the initial wear of blade, on negative chamfered edge basis, can increase " passivation " operation.
Check
Composite diamond section for different batches, different time are produced except that its performance indications of monitoring, also should try cutter, with the cutting ability of check blade before dispatching from the factory.The examination cutter is generally finished on the lathe of factory.
Branding: the lot number and the brand that stamp production as requested again on the blade.
Claims (9)
1. one kind is used for formula of diamond ultrathin blade and the production technology that quartz glass cuts, it is characterized in that: this section is to be bonding agent by copper powder, adding assistant metal filler sum is that 100% proportioning is mixed, and wherein the copper powder bonding agent is 68%, and average grain diameter is 0.46 μ m; Auxiliary packing glass putty 13.5%, silver powder 14%, iron powder 3% adds 0.5% graphite powder, and adding diamond content by the volume of blade size is that the diamond abrasive of 0.6G/CBM mixes with assistant metal filler, bonding agent.
2. a kind of formula of diamond ultrathin blade that is used for the quartz glass cutting according to claim 1, it is characterized in that: described bortz powder average grain diameter is 0.46 μ m.
3. a kind of diamond ultrathin blade that is used for the quartz glass cutting according to claim 1, it is characterized in that: described blade is a toroidal, and apparent size external diameter * internal diameter * thickness is 82 * 40 * 0.6, and unit is mm.
4. one kind is used for formula of diamond ultrathin blade and the production technology that quartz glass cuts, and it is characterized in that: the technological process of production of above-mentioned composite diamond section is: 1) mix; 2) the dress mould feeds intake; 3) precompressed and cover half hot pressing; 4) mould unloading sclerosis; 5) atmosphere protection cooling; 6) machining; 7) examination and test of products; 8) branding and packing warehouse-in.
5. a kind of formula of diamond ultrathin blade and production technology that is used for the quartz glass cutting according to claim 4 is characterized in that: the concrete processing step of described this diamond section is as follows:
1) mix:
A) according to above-mentioned weight percent proportioning with raw material: auxiliary condiment, Buddha's warrior attendant building stones mix; Then two kinds of raw materials are carried out 1 through ball mill) ball milling, 2) vibration, 3) ball milling, evenly add dispersant ethanol again powder is uniformly dispersed the bonding agent of the above-mentioned percentage by weight raw material after with ball milling is bonding again, 80 orders sieve, and compound is dried in vacuum tank;
B) mixing granulation: 1. the step a) powder is pressed into blocks in advance, uses 20 orders and 40 purpose sieve after smashing respectively, remove greater than 20 orders less than 40 purpose powders; 2. drum-type granulation forms with ball milling bucket and ball mill continuous rolling;
2) the dress mould feeds intake
Mixed raw material is packed in the prefabricated mould, coat the zinc stearate antitack agent, will expect to drop in the film chamber and stir evenly, wipe off;
3) precompressed and cover half hot pressing:
Above-mentioned raw material after granulation is suppressed by composite diamond section mould, be hot-pressed onto given size having on the press of heating plate then;
4) mould unloading sclerosis
Insulation finishes the hot demoulding, and the slow cooling of product blank is to room temperature; The sclerosis of air blast Electric heat oven;
5) atmosphere protection cooling:
Base substrate is warming up to 1200 ℃ under vacuum state, adds the argon shield of 2MPa; When being warming up to 1850 ℃ then, be incubated 30 minutes, add the argon gas of 8MPa again, cool off with stove; Its true temp is respectively 400 ℃ and 1200 ℃;
6) machining:
Carry out sharpening with resin bond wheel and by the blade of C18WC grinding fluid after to above-mentioned processing;
7) examination and test of products;
8) branding packing warehouse-in.
6. a kind of formula of diamond ultrathin blade and production technology that is used for the quartz glass cutting according to claim 5, it is characterized in that: baking temperature is not higher than 80 ℃ in the described vacuum tank.
7. a kind of formula of diamond ultrathin blade and production technology that is used for the quartz glass cutting according to claim 5 is characterized in that: described drum-type granulation continuous rolling 30～60 minutes.
8. a kind of formula of diamond ultrathin blade and production technology that is used for the quartz glass cutting according to claim 5, it is characterized in that: described precompressed press pressure is 300-600kg/cm
2Hot pressing temperature is 170-180 ℃, insulation 10-30min.
9. a kind of formula of diamond ultrathin blade and production technology that is used for the quartz glass cutting according to claim 5 is characterized in that: 185 ℃ of sclerosis of described Electric heat oven 8h.
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|---|---|---|---|
| CN200910218727A CN101862827A (en) | 2009-10-30 | 2009-10-30 | Formula and production process of diamond ultrathin cutting blade for cutting quartz glass |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350738A (en) * | 2011-09-08 | 2012-02-15 | 湖北昌利超硬材料有限公司 | Pre-alloyed ultra-fine powder carcass diamond tool |
| CN102717344A (en) * | 2011-03-29 | 2012-10-10 | 厦门钨业股份有限公司 | Pressed compact crushing method for preparing CBN/Dia oilstone with high dispersible uniformity |
| CN104057405A (en) * | 2014-07-05 | 2014-09-24 | 郑州磨料磨具磨削研究所有限公司 | Grinding wheel segment manufacturing method and cutting clamp for implementing same |
| CN104084899A (en) * | 2014-07-05 | 2014-10-08 | 郑州磨料磨具磨削研究所有限公司 | Method for manufacturing grinding wheel ring made of narrow and thin ultra-hard material and clamp for implementing method |
-
2009
- 2009-10-30 CN CN200910218727A patent/CN101862827A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717344A (en) * | 2011-03-29 | 2012-10-10 | 厦门钨业股份有限公司 | Pressed compact crushing method for preparing CBN/Dia oilstone with high dispersible uniformity |
| CN102717344B (en) * | 2011-03-29 | 2015-07-29 | 厦门钨业股份有限公司 | Pressed compact crush method prepares the method for high dispersive uniformity CBN/Dia oilstone |
| CN102350738A (en) * | 2011-09-08 | 2012-02-15 | 湖北昌利超硬材料有限公司 | Pre-alloyed ultra-fine powder carcass diamond tool |
| CN104057405A (en) * | 2014-07-05 | 2014-09-24 | 郑州磨料磨具磨削研究所有限公司 | Grinding wheel segment manufacturing method and cutting clamp for implementing same |
| CN104084899A (en) * | 2014-07-05 | 2014-10-08 | 郑州磨料磨具磨削研究所有限公司 | Method for manufacturing grinding wheel ring made of narrow and thin ultra-hard material and clamp for implementing method |
| CN104084899B (en) * | 2014-07-05 | 2017-01-25 | 郑州磨料磨具磨削研究所有限公司 | Method for manufacturing grinding wheel ring made of narrow and thin ultra-hard material and clamp for implementing method |
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Application publication date: 20101020 |