CN100519082C - Edging wheel manufacturing method - Google Patents
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- CN100519082C CN100519082C CNB2006100358981A CN200610035898A CN100519082C CN 100519082 C CN100519082 C CN 100519082C CN B2006100358981 A CNB2006100358981 A CN B2006100358981A CN 200610035898 A CN200610035898 A CN 200610035898A CN 100519082 C CN100519082 C CN 100519082C
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Abstract
The invention discloses a grinding wheel on the assembling base, which contains two layers or more grinding wheel with inner-layer grinding wheel and outer-layer grinding wheel distributed concentrically, wherein the inner-layer grinding wheel displays ring-shaped continuous layout and outer-layer grinding wheel displays ring-shaped continuous or even-interrupted layout, the assembling base lies in the ring-shaped assembling flute of inner layer grinding wheel, the assembling flute is set continually or intervally, whose cross surface displays dovetail or inversed-T shaped structure. the invention punches one coil of resin adhesive diamond working layer on the inner layer of diamond grinding wheel, which repairs and grinds edge on the assembling base.
Description
Technical field
The present invention relates to a kind of edging wheel preparation method, mainly be applicable to stone material or ceramic edge polisher.
Background technology
Common edge polisher is in edge or when surface that mill is cut material to be processed; usually set gradually before and after the emery wheel that can hardness is different; it is strong that the high emery wheel of hardness mill is cut ability; be placed on the front and be used for roughing; the low emery wheel of hardness mill cut ability relatively a little less than, be placed on the back and be used for fine finishining, the edge polisher of this structure need be provided with at least two cover mills and cut drive unit to drive two different abrasive cutting wheels respectively; so its cost of manufacture is than higher, energy consumption is also bigger during work.At this situation, some improvement have been done by some producer, as disclosing the adjustable skive of a kind of bilayer among the Chinese patent ZL95240643.8, it comprises matrix and emery wheel, this emery wheel is made up of matrix, internal layer emery wheel, outer emery wheel, bolt, key, wherein the inwall of matrix is with the internal layer emery wheel that is being threaded, and outer wall is connecting outer emery wheel with bolt, forms double-decker; Matrix and outer emery wheel cooperate by the bolt location by key or spline form, form adjustable structure.Matrix is a bowl-type, and inwall is provided with the screw thread step that connects the internal layer emery wheel, and outer wall is provided with keyway and the screw that connects outer emery wheel.The internal layer emery wheel is a staving shape.Bung is provided with diamond sinter, and the bucket end is provided with a regular hexagon handling hole, and bucket wall bottom outer surface is provided with the screw thread that is connected with matrix.Outer emery wheel is a hollow cylinder, and an end is provided with diamond sinter, and the other end is provided with keyway and chute.The emery wheel that the adjustable skive of this bilayer is cut ability with two kinds of mills is combined, and its working (machining) efficiency increased than in the past, but its complex structure, and the cost height makes the user not too satisfied.
Summary of the invention
The object of the present invention is to provide a kind of simple and reasonable, cost of manufacture is low, working (machining) efficiency is high, crudy is good, the edging wheel preparation method of long service life, to overcome weak point of the prior art.
A kind of edging wheel preparation method by this purpose design, it is characterized in that described edging wheel is made to be included in processes concentric outer emery wheel and internal layer emery wheel respectively on the installation base plate, outer emery wheel is that metal-bonded diamond is made, the internal layer emery wheel is made for the resinoid bond diamond, wherein, outer emery wheel can directly be integrally formed on the installation base plate or after the first moulding and be welded on the installation base plate again, and the internal layer emery wheel is molded directly within on the installation base plate by hot pressing; Described internal layer emery wheel straight forming comprises powder batching, mixing procedure and hot press forming technology: its formulation weight ratio is: diamond 80～120g, green silicon carbide 40～60g, coupling agent 40～60g, modified phenolic resin cosmetics 80～120g, filler: green silicon carbide powder 80～120g, alloyed powder 144～216g, ZnO16～24g, Cr
2O
332～48g; To add coupling agent with wetting abrasive material by aforementioned formula weighing powder then, and drop into then and carry out batch mixing in the three-dimensional blender machine, the processing of sieving at last.
Described powder input one of sieving after handling is arranged in the mould on the installation base plate; Mould comprises the die sleeve that is arranged on the installation base plate periphery, be arranged on the core rod of installation base plate top center position, be provided with a pressure ring between die sleeve and the core rod, die sleeve, core rod, pressure ring and installation base plate surround a ring cavity jointly, powder input and compacting are in this ring cavity, wherein, corresponding this ring cavity position of installation base plate is provided with the ring-type assembling groove, the cross section of this assembling groove is dovetail or the font structure of falling T, the part powder will enter in this assembling groove, at last whole mould together with installation base plate is carried out hot pressing, hot pressing pressure is 200～400Kg/cm
2, hot pressing temperature is 175～185 ℃, hot pressing time 35-40min.
The formulation weight ratio of described internal layer emery wheel is: diamond 90～110g, green silicon carbide 45～55g, coupling agent 45～55g, modified phenolic resin cosmetics 90～110g, filler: green silicon carbide powder 90～110g, alloyed powder 162～196g, ZnO18～22g, Cr
2O
332～48g.
Described outer emery wheel global formation comprises powder batching, batch mixing and moulding process:
In the container of cleaning, cut stone material or Types of Pottery emery wheel prescription weighing powder by common mill; Add wetting agent then with wetting abrasive material; Then carry out batch mixing in the three-dimensional blender machine, wherein, powder mixing time is 60min; Powder and diamond incorporation time are 50min;
1) hot pressing disposal integral molding:
Earlier aforementioned compound is placed and carry out cold moudling in the mould that assembles, use 300-600Kg/cm in the cold pressure procedure
2Pressure preformed, then installation base plate is packed in the mould, use 800-1500Kg/cm again
2Pressure carry out pressurize, dwell time 2～4min, installation base plate and powder are tentatively cohered, then carry out sintering, in 630～710 ℃ sintering temperature moulding, sintering time 50～70min, carry out hot pressing at last, guarantee cohering firmly of installation base plate and metal-diamond combined layer, obtain the design performance of metal-diamond combined layer simultaneously, hot pressing pressure is 200-400Kg/cm
2, hot pressing time is 2～4min;
Perhaps 2) first moulding is arranged on the installation base plate by welding then:
Earlier aforementioned compound is placed in the mould, use the cold press pre-molding, pressure 300-2000Kg/cm colds pressing
2Carry out hot pressed sintering then under 740～840 ℃ temperature, hot pressing pressure is 100-400Kg/cm
2, hot pressing time 6min carries out release in 500～550 ℃ of temperature at last; At last with the outer emery wheel integral solder after the moulding on installation base plate, adopt high-frequency induction welder to weld, anode voltage is 8～11KV, anode current is 1.8～2.5A, grid voltage is 0.5～0.8A.
Edging wheel preparation method according to claim 1, the external diameter that it is characterized in that described installation base plate (3) is 150～700mm, the cross-sectional width of outer emery wheel (1) is 5～30mm, the cross-sectional width of internal layer emery wheel (2) is 5～40mm, be provided with the interval of 1～10mm between outer emery wheel and the internal layer emery wheel, the height of outer emery wheel and internal layer emery wheel is 2～20mm, and outer emery wheel is continuous in the form of a ring or spaced apart, when it distributed layout at interval, its interval scope was 1～10mm.
Manufacture method of the present invention is the internal layer compacting one circle resinoid bond diamond working layers at the metal-bonded diamond edging wheel, like this, this edging wheel skin is the metal-bonded diamond working lining, plays the rude edge arrissing effect, internal layer is the resinoid bond diamond working layers, plays the effect of refine edging; Both stick on the same installation base plate jointly.
Key technology of the present invention is that outer layer metal binder diamond layer is accomplished that with inner layer resin binder diamond layer grinding ratio is consistent, and promptly the complexity of sharpness and wearing and tearing reaches balance.
The present invention just metal-bonded diamond corase grind edging wheel and resinoid bond diamond refine edging wheel unites two into one, the metal-bonded diamond emery wheel is arranged on the edging wheel outside, roughly grind and cut, the resinoid bond diamond-impregnated wheel is arranged on the edging wheel inboard, finish grind and cut, cutting drive unit by same mill on the edge polisher drives, outside emery wheel is not only realized the purpose roughly ground, and can guarantee stock removal stable of inboard resinoid bond diamond-impregnated wheel, the safe handling of inboard emery wheel and good result of use have been guaranteed, simultaneously, when reducing by one group of edging wheel, also reduced by one group of electro-motor on the ceramic edging production line, both reduced the expense of ceramic edger itself, also reduce the work energy consumption of edge polisher, on the basis that guarantees crudy, improved working (machining) efficiency.
The present invention is simple and reasonable, cost of manufacture is low, working (machining) efficiency is high, crudy is good, long service life.
Description of drawings
Fig. 1 is one embodiment of the invention master TV structure schematic diagram.
Fig. 2 is the A-A sectional structure schematic diagram of Fig. 1.
Fig. 3 is a B place structure for amplifying schematic diagram among Fig. 2.
Fig. 4 irritates resin die sectional structure schematic diagram for emery wheel.
Fig. 5 is an emery wheel manufacture craft FB(flow block).
The specific embodiment
Below in conjunction with drawings and Examples the present invention is further described.
Referring to Fig. 1-Fig. 3, this edging wheel comprises the emery wheel that is arranged on the installation base plate 3, and emery wheel is inside and outside two-layer, and the resinoid bond diamond is made outer emery wheel 1 arranged concentric that internal layer emery wheel 2 and metal-bonded diamond are made.Internal layer emery wheel 2 ring-types arrange that continuously outer emery wheel 1 ring-type is interrupted layout continuously or evenly, have provided the structure of continuous layout among the figure.The cross section of internal layer emery wheel 2 and outer emery wheel 1 is trapezoidal or rectangle or square structure, has provided rectangular configuration among the figure, is provided with one between internal layer emery wheel 2 and the outer emery wheel 1 at interval.Installation base plate 3 is positioned at internal layer emery wheel 2 positions and is provided with ring-type assembling groove 3.2, these assembling groove 3.2 continuous or interruption settings.The cross section of assembling groove 3.2 is dovetail or the font structure of falling T, has provided the dovetail structure among the figure.Installation base plate 3 is provided with the head pilot hole 3.1 that joins with the edge polisher head.The present invention can be essential according to the mill of reality and want, and three layers and above emery wheel structure are set.Among the figure, 3.3 is bolt mounting holes.
Referring to Fig. 1-Fig. 5, when this edging wheel is made, divide outer and the internal layer making:
One, skin is the metal-bonded diamond layer, welds two kinds again after integral sintered compacting and sintering are arranged
1, integral sintered compacting diamond layer manufacturing process is as follows:
1) processing matrix: press pattern processing Q235 iron plate and become installation base plate up to specification, the concrete external diameter Φ D of this installation base plate can be 150～700mm, can be made into Φ 150, Φ 200, Φ 250, more than 300 kind of structure of Φ 280, Φ, its thickness and centre bore can be by common regulation or client's specific (special) requirements.In addition, the cross-sectional width T of outer emery wheel 1 is 5～30mm, the cross-sectional width W of internal layer emery wheel 2 is 5～40mm, be provided with the interval P of 1～10mm between outer emery wheel 1 and the internal layer emery wheel 2, the height H of outer emery wheel and internal layer emery wheel is 2～20mm, outer emery wheel 1 is continuous in the form of a ring or spaced apart, and when it distributed layout at interval, its interval scope S was 1～10mm.
2) batching, batch mixing: according to the weight of need batching,, calculate the weight that needs to claim each composition, adopt cleaning special-purpose weighing container and charge cask according to the prescription requirement that common mill is cut stone material or Types of Pottery emery wheel.The weighing time error need be controlled in the 1g, need claim the raw material total amount again after weighing finishes, and error is controlled in the 5g.The powder that weighs up is packed in the special-purpose glue bucket, add a certain amount of abrasive media, on request batch mixing.
After batch mixing finishes, powder and steel ball are taken out from the glue bucket, sieve out steel ball and powder, the steel ball here is an abrasive media, and main rising milled and peptizaiton.Then powder is poured in the special container.Check and the weighing diamond whether with require consistently, the diamond of confirming is poured in the special container, measure wetting agent on request successively, with wetting diamond.Get an amount of powder and go into to contain in the adamantine special container, mix.To be mixed with diamond and place special-purpose batch mixing glue bucket, put into the three-dimensional blender machine, the beginning batch mixing with not mixing adamantine powder.Mixed material is packed in the special container, and sealing is preserved.Wherein, powder mixing time is 60min; Powder and diamond incorporation time are 50min.
Be hot pressing disposal integral molding technology below:
Earlier aforementioned compound is placed and carry out cold moudling in the mould that assembles, use 300-600Kg/cm in the cold pressure procedure
2Pressure preformed, then installation base plate is packed in the mould, use 800-1500Kg/cm again
2Pressure carry out pressurize, dwell time 2～4min, installation base plate and powder are tentatively cohered, then carry out sintering, in 630～710 ℃ sintering temperature moulding, sintering time 50～70min, carry out hot pressing at last, guarantee cohering firmly of installation base plate and metal-diamond combined layer, obtain the design performance of metal-diamond combined layer simultaneously, hot pressing pressure is 200-400Kg/cm
2, hot pressing time is 2～4min.
3) assembling mould: correctly select mould, each surface that relative motion will take place with powder of correct grinding mould, rusty stain and oil stain on removing matrix and the face that working lining contacts clean up with acetone then.With mould refining surfaces brush wetting agent, wait its dry back standby.Correct assembling mould makes between each assembly to cooperate suitably, does not have bigger fit clearance or slit, can not be too tight.
4) integral sintered compacting: throw in an amount of powder or cutter head on request, and guarantee evenly, can not cause Lou material.When using cushion block, gasket ring, guarantee that its two stressed surface is parallel; When using a plurality of cushion block, each cushion block height should be consistent.Mould is placed on the supporter, guarantees that mould is consistent with press upper cylinder half center line.Compacting on request.Mould is put into high temperature furnace sintering on request.After sintering is finished, mould is taken out hot pressing on request, the demoulding on press from high temperature furnace.
Be first moulding below, be arranged on the installation base plate by welding then:
2, it is as follows to weld the manufacturing process of diamond layer on installation base plate behind the sintering cutter head again:
Aforementioned compound is placed in the mould, use the cold press pre-molding, cold press once can be colded pressing 8, and the pressure of colding pressing is 300-2000Kg/cm
2Carry out hot pressed sintering then under 740～840 ℃ temperature, hot pressing pressure is 100-400Kg/cm
2, hot pressing time 6min carries out release in 500～550 ℃ of temperature at last; At last with the outer emery wheel integral solder after the moulding on installation base plate, adopt high-frequency induction welder to weld, its welding machine model can be GP-100-C3, SD-C1, anode voltage are 8～11KV, and anode current is 1.8～2.5A, grid voltage is 0.5～0.8A, below is concrete steps.
1) cutter head of colding pressing: by the accurate raw materials weighing of requirement substance.Select suitable cold stamping die to assemble, in the cold stamping die of carefully raw material that weighs up being packed into.Vibrate and shake moving mold gently, powder is evenly distributed.The mould that installs powder is positioned over the middle position of press working face, and hand starts the pressure compacting cutter head of press to regulation after leaving the blanketed zone.Its size, weight are measured in the demoulding, regulate pressure institute's push type broach head is met the requirements, and after production controller's first item inspection is qualified, can continue to produce.
2) hot pressing cutter head: set or select hot pressing parameters according to production requirement.Select surfacing, the higher graphite cushion block of fineness, place the hot press edge of table standby.The good cutter head of will colding pressing is packed in the cavity of mould, and graphite jig is fastening with metal frame, mould is put in the press bed middle position, the upper and lower cushion block that filled up.Adjust the mould cushion block, make the upper and lower compression face of cushion block center and mould center on same vertical straight line.Start the machine, mix up temperature element, heating.After hot pressing is finished, in below 500 ℃ mould being unloaded from machine, cooling fast.Unclamp the metal frame tensioning screw, take out cutter head.
3) polishing cutter head: a kind of cutter head is placed on the work top switch power supply switch, the grinding machine switch of performing fighting.The polishing cutter head, the oxide layer polishing of solder side (solder side that the transition zone cutter head is arranged is cutter head transition zone surface) is clean, but diamond can not go out sword, guarantees the cutter head shape as far as possible, and burr polishing in corner is clean, so that measurement size.Repetitive operation.
4) welding cutter head: determined cutter head solder side (solder side that the transition zone cutter head is arranged is cutter head transition zone surface), scrubbed clean, if any the light of polishing earlier that gets rusty or the surface is intensely dark with acetone.Clean matrix, remove the rust staining of matrix solder side with emery cloth, floral leaf wheel etc.With the certain density solution of metal cleaner water furnishing, clean the greasy dirt of matrix surface, particularly solder side with this solution.
5) remove matrix surface metal remained cleaning agent with clear water: thoroughly remove the solder side foreign material with acetone.The silver soldering agent with clear water furnishing paste, is applied on the matrix solder side, the silver soldering sheet is cut into the small pieces close with the cutter head width, coat the silver soldering agent after, place uniformly on the matrix that had been coated with the silver soldering agent.Cutter head is placed in corresponding substrates equably by the cutter head quantity of stipulating in the corresponding operation sheet.Mix up induction tube and auxiliary body.Check water temperature, open cooling water switch, the switch power supply switch snaps the machine switch.Regulate electric current to suitable size, careful heating guarantees that cutter head is not burnt out, and the silver soldering sheet is evenly melted, and strikes the push type broach head gently, venting weld zone gas, and guarantee that welding is firm, there is not rosin joint.Control the cutter head welding position well, guarantee that cutter head is arranged on the matrix on request.Repetitive operation.
Two, internal layer---resinoid bond diamond layer
1, batching, batch mixing: check and clean special-purpose weighing container and charge cask.
Prescription requirement according to resinoid bond diamond powder, calculate the weight that needs to claim each composition, the formulation weight ratio of internal layer emery wheel is: diamond 90～110g, green silicon carbide 45～55g, coupling agent 45～55g, modified phenolic resin cosmetics 90～110g, filler: green silicon carbide powder 90～110g, alloyed powder 162～196g, ZnO18～22g, Cr
2O
332～48g.Can select diamond 100g for use during actual production; Green silicon carbide 50g; Coupling agent 50g; Modified phenolic resin cosmetics 100g; Filler: green silicon carbide powder 100g; Alloyed powder 180g.
Powder is claimed again, claim again to pack into after qualified in the special-purpose glue bucket, add certain abrasive media batch mixing on request.After batch mixing finishes, powder and abrasive media are taken out from the glue bucket, screening abrasive media and powder check whether powder mixes, and then the powder that mixes is crossed 80 mesh standard sieves once, and oversize is outwelled.Check and the weighing diamond whether with require consistent, with a small amount of coupling agent of confirming of diamond; Wherein, the amount that adds coupling agent is grasped and is being got final product diamond is wetting.After wetting, pour in the powder after sieving, fully stir with hand, cross 60 mesh standard sieve secondaries then.
2, the dress mould, hot pressing is with the hot pressing metal die: see Fig. 4, coating releasing agent uniformly with the contact-making surface of powder, be placed on the operation rotating disk, correctly assemble mould in accordance with regulations, with above-mentioned skin is that the installation base plate and the backing plate of metal-bonded diamond layer assembles, the powder back of weighing is dropped in the cavity of mould, mould comprises the die sleeve 4 that is arranged on installation base plate 3 peripheries, be arranged on the core rod 5 of installation base plate 3 top center positions, be provided with a pressure ring 6 between die sleeve 4 and the core rod 5, die sleeve 4, core rod 5, pressure ring 6 and installation base plate 2 surround a ring cavity jointly, powder input and compacting are in this ring cavity, wherein, installation base plate 3 corresponding these ring cavity positions are provided with ring-type assembling groove 3.2, the cross section of this assembling groove 3.2 is dovetail or the font structure of falling T, and the cross section that has provided assembling groove among the figure is the dovetail structure; Powder is evenly shakeout and be evenly distributed, the part powder will enter in this assembling groove 3.2, correctly pack into cover plate and pressure head.
Whole mould together with installation base plate carries out hot pressing: mould is put in the press bed middle position.Adjusting mould makes mould upper and lower compression face center and the upper and lower pressure head of hot press center on same vertical straight line.Start the machine, mix up temperature element, heating.Hot pressing pressure is 200～400Kg/cm
2, hot pressing temperature is 175～185 ℃, hot pressing time 35-40min.
The situation of being heated of running check mould in the heating process is found that temperature anomaly wants hard stop, and is checked reason, can continue heating after investigating thoroughly reason.After hot pressing is finished, mould is unloaded from hot press, be placed on the work top, aim at cooling fast with water-cooled.With mould put with special-purpose demoulding press in utilize cushion block to carry out the demoulding.
Three, put the first edge on a knife or a pair of scissors, boring, dynamic balancing, spray paint, pack
1, puts the first edge on a knife or a pair of scissors: put the first edge on a knife or a pair of scissors with carborundum SiC emery wheel earlier, put the first edge on a knife or a pair of scissors with the white fused alumina emery wheel then.It is good to guarantee that the required product that puts the first edge on a knife or a pair of scissors goes out sword, puts the first edge on a knife or a pair of scissors at grinding machine then, and the concentricity, ovality, flatness that guarantee product and are carried out chamfering according to specification requirement in the scope that requires.
2, boring, dynamic balancing are holed, tapping: in boring, tapping process, figure paper conversion is pressed in strictness, carries out the dynamic balancing of product at last, makes amount of unbalance within the limits prescribed.
3, spray paint: the paint that on different products, sprays different colours as requested.
4, packing: can pack on request behind the paint bone dry.On packing box, label respective numbers.On label, fill in name of product and the specification and the product coding of the required packaging product of respective numbers.Product is correctly packed with corresponding packing box.Emery wheel through the cutter and tool grinding machine mill will indicate " left side " or " right side " printed words on packing box.
Claims (5)
1. edging wheel preparation method, it is characterized in that described edging wheel is made to be included in processes concentric outer emery wheel (1) and internal layer emery wheel (2) respectively on the installation base plate (3), outer emery wheel is that metal-bonded diamond is made, the internal layer emery wheel is made for the resinoid bond diamond, wherein, outer emery wheel can directly be integrally formed on the installation base plate or after the first moulding and be welded on the installation base plate again, and the internal layer emery wheel is molded directly within on the installation base plate by hot pressing; Described internal layer emery wheel straight forming comprises powder batching, mixing procedure and hot press forming technology: its formulation weight ratio is: diamond 80～120g, green silicon carbide 40～60g, coupling agent 40～60g, modified phenolic resin cosmetics 80～120g, filler: green silicon carbide powder 80～120g, alloyed powder 144～216g, ZnO 16～24g, Cr
2O
332～48g; To add coupling agent with wetting abrasive material by aforementioned formula weighing powder then, and drop into then and carry out batch mixing in the three-dimensional blender machine, the processing of sieving at last.
2. edging wheel preparation method according to claim 1 is characterized in that described powder input one of sieving after handling is arranged in the mould on the installation base plate (3); Mould comprises the die sleeve (4) that is arranged on the installation base plate periphery, be arranged on the core rod (5) of installation base plate top center position, be provided with a pressure ring between die sleeve and the core rod, die sleeve, core rod, pressure ring and installation base plate surround a ring cavity jointly, powder input and compacting are in this ring cavity, wherein, corresponding this ring cavity position of installation base plate is provided with ring-type assembling groove (3.2), the cross section of this assembling groove is dovetail or the font structure of falling T, the part powder will enter in this assembling groove, at last whole mould together with installation base plate is carried out hot pressing, hot pressing pressure is 200～400Kg/cm
2, hot pressing temperature is 175～185 ℃, hot pressing time 35-40min.
3. edging wheel preparation method according to claim 1, the formulation weight ratio that it is characterized in that described internal layer emery wheel is: diamond 90～110g, green silicon carbide 45～55g, coupling agent 45～55g, modified phenolic resin cosmetics 90～110g, filler: green silicon carbide powder 90～110g, alloyed powder 162～196g, ZnO 18～22g, Cr
2O
332～48g.
4. edging wheel preparation method according to claim 1 is characterized in that described outer emery wheel global formation comprises powder batching, batch mixing and moulding process:
In the container of cleaning, cut stone material or Types of Pottery emery wheel prescription weighing powder by common mill; Add wetting agent then with wetting abrasive material; Then carry out batch mixing in the three-dimensional blender machine, wherein, powder mixing time is 60min; Powder and diamond incorporation time are 50min;
1) hot pressing disposal integral molding:
Earlier aforementioned compound is placed and carry out cold moudling in the mould that assembles, use 300-600Kg/cm in the cold pressure procedure
2Pressure preformed, then installation base plate is packed in the mould, use 800-1500Kg/cm again
2Pressure carry out pressurize, dwell time 2～4min, installation base plate and powder are tentatively cohered, then carry out sintering, in 630～710 ℃ sintering temperature moulding, sintering time 50～70min, carry out hot pressing at last, guarantee cohering firmly of installation base plate and metal-diamond combined layer, obtain the design performance of metal-diamond combined layer simultaneously, hot pressing pressure is 200-400Kg/cm
2, hot pressing time is 2～4min;
Perhaps 2) first moulding is arranged on the installation base plate by welding then:
Earlier aforementioned compound is placed in the mould, use the cold press pre-molding, pressure 300-2000Kg/cm colds pressing
2Carry out hot pressed sintering then under 740～840 ℃ temperature, hot pressing pressure is 100-400Kg/cm
2, hot pressing time 6min carries out release in 500～550 ℃ of temperature at last; At last with the outer emery wheel integral solder after the moulding on installation base plate, adopt high-frequency induction welder to weld, anode voltage is 8～11KV, anode current is 1.8～2.5A, grid voltage is 0.5～0.8A.
5. edging wheel preparation method according to claim 1, the external diameter that it is characterized in that described installation base plate (3) is 150～700mm, the cross-sectional width of outer emery wheel (1) is 5～30mm, the cross-sectional width of internal layer emery wheel (2) is 5～40mm, be provided with the interval of 1～10mm between outer emery wheel and the internal layer emery wheel, the height of outer emery wheel and internal layer emery wheel is 2～20mm, and outer emery wheel is continuous in the form of a ring or spaced apart, when it distributed layout at interval, its interval scope was 1～10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100358981A CN100519082C (en) | 2006-06-13 | 2006-06-13 | Edging wheel manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100358981A CN100519082C (en) | 2006-06-13 | 2006-06-13 | Edging wheel manufacturing method |
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| CN1919537A CN1919537A (en) | 2007-02-28 |
| CN100519082C true CN100519082C (en) | 2009-07-29 |
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| CNB2006100358981A Active CN100519082C (en) | 2006-06-13 | 2006-06-13 | Edging wheel manufacturing method |
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2006
- 2006-06-13 CN CNB2006100358981A patent/CN100519082C/en active Active
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| CN1919537A (en) | 2007-02-28 |
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