CN106625793A - Octagonal circle blade for slitting soft materials containing hard impurities and manufacturing method thereof - Google Patents
Octagonal circle blade for slitting soft materials containing hard impurities and manufacturing method thereof Download PDFInfo
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- CN106625793A CN106625793A CN201611212363.7A CN201611212363A CN106625793A CN 106625793 A CN106625793 A CN 106625793A CN 201611212363 A CN201611212363 A CN 201611212363A CN 106625793 A CN106625793 A CN 106625793A
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- knife
- blade
- edge
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- cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/0006—Cutting members therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/36—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades
- B24B3/46—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades of disc blades
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
- C04B35/645—Pressure sintering
- C04B35/6455—Hot isostatic pressing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/0006—Cutting members therefor
- B26D2001/002—Materials or surface treatments therefor, e.g. composite materials
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3409—Boron oxide, borates, boric acids, or oxide forming salts thereof, e.g. borax
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- C04B2235/48—Organic compounds becoming part of a ceramic after heat treatment, e.g. carbonising phenol resins
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Abstract
The invention discloses an octagonal circle blade for slitting soft materials containing hard impurities and a manufacturing method thereof, and belongs to the technical field of special-blade processing methods. The octagonal circle blade comprises a regular octagon blade body, an installing hole is formed in the center of the blade body, large blade edges and small blade edges are arranged on all the sides of the octagon, the section-view section lines of the large blade edges in the diameter direction of the circle blade are in arc shapes, the central angles corresponding to the arcs are 10 degrees to 12 degrees, and the length of the arcs is 0.35 time to 0.4 time that of the circle blade. According to the octagonal circle blade, the large blade edges are designed into arc surfaces; in this way, resistance between a cut substance and the blade can be reduced during cutting, blade extrusion force of the impurities can be dispersed when the hard impurities are cut, the impurities are more easily cut up, and the wear degree of the blade edges of the impurities is also greatly reduced.
Description
Technical field
The invention belongs to the processing method technical field of special blade, more particularly, it relates to a kind of cutting is containing hard
The anistree circular knife of the soft material of impurity and its manufacture method.
Background technology
Cutting disc is one of vitals of cutting machine equipment.Usually difference coming according to cutting material category and thickness
Determine which kind of slitter blade selected.Generally the cutting form of slitter blade includes square knife cutting and dise knife cutting.Square knife point
It is exactly as razor, blade to be fixed on the knife rest of cutting machine to cut, and falls on knife in material running, makes knife by material
Material is longitudinally slit, to reach cutting purpose.Dise knife cutting mainly has upper and lower cutting disc shearing and dise knife squash type to cut two kinds of sides
Formula.Dise knife cutting is the main cutting mode for cutting the materials such as thick film, composite thick film, paper.Cutting material membrane material thickness is 100
Selection dise knife cutting μm suggested by the above.Dise knife squash type cutting mode both can have been cut than relatively thin plastic sheeting, it is also possible to point
Cut the thick paper of comparison, non-woven fabrics etc., be one kind eaily cut mode, cutting industry in, the performance of cutting disc and
Stability always affects the restraining factors of industry development, the unstable of cutting disc performance not only to make cutting operation not reach finger
Mark is required, and cutting material is produced burr and is produced substantial amounts of cutting break flour etc., causes greatly waste, increased enterprise
Production cost.
Heat-preservation cotton is typically by getting rid of silk into threadiness, Jing collection after the raw material high-temperature fusion such as Iron-ore Slag, Cab-O-sil, chamotte
Heat-preservation cotton is formed after the compression of cotton device collection cotton, it is then resected into given shape.For example, one kind of HTC's insulation company production is three-dimensional
Orientation rock cotton board, is made up of raw materials such as iron ore, natural magnetic iron ore, coke, slag, hydrophober, urea and phenolic resin, by
The more difficult control of impurity in the raw material for making heat-preservation cotton, the such as dopant species in iron ore and natural magnetic iron ore are various,
So certain impurity that also adulterates in the heat-preservation cotton for processing, and in melting process, some impurity can not melt, therefore
Impurity can be assembled to form hard granular in the raw material of molten state, and this granular impurity is presented normal state point in rock cotton board
Cloth, heat-preservation cotton itself is not very hard, can complete to cut using general cutting disc, but the impurity pair being mingled with heat-preservation cotton
The damage especially severe of cutting cutting disc, once in working angles, the edge of a knife encounters the particulate inclusions assembled in heat-preservation cotton, i.e., can make
The edge of a knife bursts apart, and this heat-preservation cotton is being cut even with the cutting disc that optimized material and heat treatment method are processed
When, also easily the edge of a knife can burst apart.
For example, Chinese Patent Application No. is 201510401724.1, and application publication date is in September, the 2015 patent Shen of 16 days
Please file disclose a kind of cutting cutting disc and its manufacture method, the cutting disc of the invention is circular blade, including centre bore,
Cutterhead and blade, described centre bore is located at the center of cutterhead, and described blade is located on the outer shroud of cutterhead, outside the blade
Ring is provided with edge, and the blade angle δ of described edge is 23～27 °；The cutting edge thickness h of the edge is 0.24-
0.26mm, the material composi and mass percent for manufacturing cutting disc is C：1.15-1.33%, N：0.2-0.4%, Mn：
0.30-0.40%, Si：0.52-1.20%, Cr：8.50-10.50%, W：1.50-2.50%, V：0.35-0.50%, Mo：
0.25-0.40%, Ni：0.30-0.40%, Cu：≤ 0.30%, S：≤ 0.020%, P：≤ 0.027%, balance of Fe.But
Material composition in the invention is complicated, is a kind of follow-on alloy material, can strengthen to a certain extent blade wearability and
Service life, but the blade that the said firm is produced is sold when insulation company of HTC carries out the cutting of heat preservation rock plate, still can
There is the edge of a knife to burst apart serious situation.
The content of the invention
1. the problem to be solved
For existing cylinder blade when the rock cotton board of special composition is cut, the problem that the edge of a knife easily bursts apart, the present invention is carried
For the anistree circular knife and its manufacture method of a kind of soft material of the cutting containing hard impurity, the anistree cutting disc in the present invention
The edge of a knife radial section line that has significant difference, the big edge of a knife of existing plain disk knife with the edge of a knife of common cutting disc be
One skew lines, this edge of a knife processing gets up to be easy to, but when for soft material of the cutting containing hard impurity, the edge of a knife
Easily bitten by impurity, or abrasion of the impurity to the edge of a knife is very serious, and the anistree cutting disc in the present invention, the big edge of a knife is set
Cambered surface is counted into, the resistance between cutting object and blade so on the one hand can be reduced in cutting, be on the other hand cut to heavily fortified point
Extruding force that can be with dispersed contaminant to blade during hard impurity, makes impurity easily shred, and impurity is also big to the degree of wear of the edge of a knife
It is big to reduce.
2. technical scheme
In order to solve the above problems, the technical solution adopted in the present invention is as follows：
A kind of anistree circular knife of soft material of the cutting containing hard impurity, including octagon blade, described knife
Body center is provided with installing hole, and described octagonal each edge edge is provided with the big edge of a knife and the little edge of a knife, and machete opening's edge circular knife is straight
The cross section line in footpath direction is circular arc.
Further, the corresponding central angle of described section line is 10～12 °, and the length of section line is circular knife radius
0.35～0.4 times.
A kind of above-mentioned cutting contains the manufacture method of the anistree circular knife of the soft material of hard impurity, and its step is：
(1) blank sintering：Zirconium oxide powder, alumina powder, yttrium oxide powder and binding agent are well mixed, using height
Warm isostatic pressing method is sintered to it, controls sintering temperature for 1000～1200 DEG C, and pressure is 400～500Mpa；
(2) processing blades blank：The bulk ceramic material obtained in step (1) is processed into disc, is then cut into
Octagon, in the central cutting of cylinder blade installing hole is gone out, and the two sides of blade is polished using skive, blade
Surface roughness is less than 0.1 μm；
(3) the little edge of a knife is processed：Using skive the eight sides of anistree circular knife are polished successively, the little edge of a knife
Angle is 30～35 °；
(4) the big edge of a knife is processed：Using skive anistree circular knife is polished successively, rotation during grinder buffing
Direction is vertical with the moving direction of anistree knife；
(5) edge of a knife is refined：Waxing polishing is carried out to the big edge of a knife and the little edge of a knife using leather polishing wheel, the coarse of the edge of a knife is reduced
Degree；
(6) blade is checked：Blade is checked using 100 power microscopes, rejects substandard products；
(7) pack：Qualified blade is packed.
Further, the mass fraction of the composition of described binding agent and each composition is：50～60% polyborosiloxanes,
10～20% boraxs, 10～15% sodium chloride, balance of polyvinyl alcohol.
Further, the mixing quality ratio of Zirconium oxide powder, alumina powder, yttrium oxide powder and binding agent is 10:
(1.5-2.3):0.4:0.5。
Further, in the sintering process of the step (1), v=T*w1*w2 DEG C of programming rate/min, wherein T are burning
Junction temperature, w1 is ratio value of the binding agent in ceramic material, and w2 is the ratio value of sodium chloride in binding agent.
Further, the edge of a knife roughness after fine grinding is 0.025 μm.
Further, in step (3) during the processing edge of a knife, blade is less than 10m/min with respect to the translational velocity of emery wheel.
3. beneficial effect
Compared to prior art, beneficial effects of the present invention are：
(1) cylinder blade of the invention is specific to the design of the soft material containing hard impurity, and the present invention will be big
On the one hand knife-edge design so can reduce the resistance between cutting object and blade into cambered surface in cutting, on the other hand cut
Extruding force that can be with dispersed contaminant to blade when cutting hard impurity, makes impurity easily shred, abrasion journey of the impurity to the edge of a knife
Degree is also greatly reduced；
(2) cylinder blade processing method of the invention, employs hot isotatic pressing method, according to material when being sintered to raw material
The composition of material have selected optimal sintering process, can make the moieties in binding agent abundant under conditions of 1000～1200 DEG C
Carbonization, the composition after carbonization can promote the crystal whisker toughened of aluminum oxide, and the yittrium oxide in raw material can also reduce zirconic grain size,
The consistency of blank is enhanced, the toughness of blank is improve；
(3) cylinder blade processing method of the invention, when the big edge of a knife is processed, rotation direction during grinder buffing with it is anistree
The moving direction of knife is vertical, and the big knife edge surfaces for so processing are circular arc, and the edge of a knife of this special shape can reduce cutting
Resistance during cutting, extends the service life of blade；Existing conventional edge of a knife polishing process, it is cylindrical that emery wheel is placed on cutting disc
Tangential direction on, it is tapered plane to polish the edge of a knife for coming, and this edge of a knife resistance for being subject to when soft material is cut is very big,
The edge of a knife is also very serious by the impurity abrasion in material, even with the blade that hard alloy is prepared, service life
Worn and torn by hard impurity, because when the edge of a knife of tapered plane is contacted with hard impurity, impurity is very big to the extruding force of the edge of a knife；And
Cleverly by knife-edge design into arc shape in the present invention, extruding force of the impurity to the edge of a knife is effectively reduced so that anistree dise knife
The service life of piece is greatly prolonged.
Description of the drawings
Fig. 1 is the cross-sectional view of the anistree circular knife in the present invention；
Fig. 2 is the structural representation of the anistree circular knife in the present invention；
Fig. 3 is the edge of a knife partial cutaway schematic of the anistree circular knife in the present invention；
Fig. 4 is the structural representation of the anistree circular knife described in the embodiment of the present invention 4；
Fig. 5 is the edge line schematic shapes of the big edge of a knife on the anistree circular knife shown in Fig. 4.
In figure：1st, blade；101st, installing hole；102nd, the big edge of a knife；103rd, the little edge of a knife；1022nd, section line.
Specific embodiment
The present invention is further described below with reference to specific embodiment.
Embodiment 1
As shown in FIG. 1 to 3, a kind of anistree circular knife of soft material of the cutting containing hard impurity, including positive eight side
Shape blade 1, the center of blade 1 is provided with installing hole 101, and octagonal each edge edge is provided with the big edge of a knife 102 and the little edge of a knife 103, greatly
The edge of a knife 102 is circular arc along the diametric cross section line 1022 of circular knife；The corresponding central angle of section line 1022 is 12 °,
The length of section line 1022 is 0.35 times of circular knife diameter.In the big edge of a knife cross section of existing plain disk knife such as Fig. 3
1021 shown in, be tapered plane shape, the edge of a knife of this shape resistance in cutting is big, is easily worn and torn by impurity.
The production of applicant's long campaigns blade, is constantly obtained by improving the component and adjustment Technology for Heating Processing of alloy material
A series of high performance cutting dives were obtained, but the common fault that these cylinder blades exist when for cutting soft material is software
Frictional resistance between material and blade is very big, and the abrasion of blade is encountered and contain in soft material hard impurity than more serious
When, damage of the impurity to blade is bigger.So only cannot be solved by changing the component and Technology for Heating Processing of alloy material
An in esse difficult problem.In once producing the chance opportunity of blade, staff slips up blade in the rotation direction with emery wheel
Vertical side moves up, and polishing has obtained the circular knife that a kind of edge of a knife is cambered surface, and the circular knife is being used to cut software material
During material, it is found that resistance is very little, abrasion of the material to the edge of a knife is also mitigated a lot.But the dise knife of this shape is produced in the later stage
Find during piece, during this cambered surface edge of a knife of polishing, the control of radian is extremely important, and radian is big, and blade is easily snapped off, and radian is little
, mitigate the DeGrain of resistance, how to balance the relation between radian and circular knife, applicant takes many times and goes
Research, finally finds, polish circular arc (i.e. section line 1022 in Fig. 3) the corresponding central angle for coming at 10～12 °, while circle
When the length of arc is 0.35～0.4 times of circular knife radius, the performance of the blade is optimal.
A kind of above-mentioned cutting contains the manufacture method of the anistree circular knife of the soft material of hard impurity, and its step is：
(1) blank sintering：Zirconium oxide powder, alumina powder, yttrium oxide powder are crossed respectively 200 mesh sieves, then by oxygen
Change zirconium powder, alumina powder, yttrium oxide powder and binding agent according to mass ratio 10:1.5:0.4:0.5 ball milling mixing is uniform, adopts
It is sintered with hot isotatic pressing method, v=T*w1*w2 DEG C of the programming rate in sintering process/min, T is sintering temperature,
W1 is ratio value of the binding agent in ceramic material, and w2 is the ratio value of sodium chloride in binding agent, the intensification speed in the present embodiment
V=1000*0.5*0.12=60 DEG C/min of degree；Sintering temperature is controlled for 1000 DEG C, pressure is to burn under the conditions of 480Mpa (argon gas)
Knot, is incubated 1h；Binding agent is made up of 50% polyborosiloxane, 18% borax, 12% sodium chloride and 20% polyvinyl alcohol.
(2) processing blades blank：The bulk ceramic material obtained in step (1) is processed into disc, is then cut into
Octagon, in the central cutting of cylinder blade installing hole is gone out, and the two sides of blade is polished using skive, blade
Surface roughness is less than 0.1 μm；
(3) the little edge of a knife is processed：Using skive the eight sides of anistree circular knife are polished successively, the little edge of a knife
Angle is 30 °；
(4) the big edge of a knife is processed：Using skive anistree circular knife is polished successively, rotation during grinder buffing
Direction is vertical with the moving direction of anistree circular knife, and blade is 10m/min with respect to the translational velocity of emery wheel；
(5) edge of a knife is refined：Waxing is polished to the big edge of a knife and the little edge of a knife using leather polishing wheel, the coarse of the edge of a knife is reduced
Spend to 0.025 μm；
(6) blade is checked：Blade is checked using 100 power microscopes, rejects substandard products；
(7) pack：Qualified blade is packed.
Anistree cutting disc in the present embodiment, makes initially with the ceramic material of special proportioning, using aluminum oxide and oxygen
Change is recalled to be carried out crystal whisker toughened to it, and controls the increase of the grain size in material, and the component of binding agent not only acts as the effect of bonding,
There can also be collaboration facilitation to the crystal whisker toughened of ceramic material, such as sodium chloride therein and polyborosiloxane, appropriate chlorine
If changing sodium can improve the yield of whisker, and the shape matching of whisker is consistent, but the amount of sodium chloride is more, whisker can be made
Yield declines and phychology is distorted.Applicant studies intensification when finding to carry out heating up to raw material sintering in actual production process
Speed has very important impact to the performance of blade, if programming rate is fast, can make binding agent fast charring, after causing sintering
Toughness of material it is poor, easy fracture；Studies have reported that the fortune for claiming sodium chloride that material particles are assisted in the sintering process of ceramic material
It is defeated, growing up and reuniting for crystal grain can be prevented, but if programming rate is slow, the effect of the sodium chloride in binding agent can be made
Excessively amplify, the ceramic material property that sintering is obtained is also poor, so controlling the programming rate of sintering to obtaining high-performance
Ceramic material it is extremely important.
Embodiment 2
As shown in FIG. 1 to 3, a kind of anistree circular knife of soft material of the cutting containing hard impurity, including positive eight side
Shape blade 1, the center of blade 1 is provided with installing hole 101, and octagonal each edge edge is provided with the big edge of a knife 102 and the little edge of a knife 103, greatly
The edge of a knife 102 is circular arc along the diametric cross section line 1022 of circular knife；The corresponding central angle of section line 1022 is 10 °,
The length of section line 1022 is 0.4 times of circular knife diameter.The big edge of a knife cross section of existing plain disk knife is as in Fig. 3
It is tapered plane shape shown in 1021, the edge of a knife of this shape resistance in cutting is big, is easily worn and torn by impurity.
The production of applicant's long campaigns blade, is constantly obtained by improving the component and adjustment Technology for Heating Processing of alloy material
A series of high performance cutting dives were obtained, but the common fault that these cylinder blades exist when for cutting soft material is software
Frictional resistance between material and blade is very big, and the abrasion of blade is encountered and contain in soft material hard impurity than more serious
When, damage of the impurity to blade is bigger.So only cannot be solved by changing the component and Technology for Heating Processing of alloy material
An in esse difficult problem.In once producing the chance opportunity of blade, staff slips up blade in the rotation direction with emery wheel
Vertical side moves up, and polishing has obtained the circular knife that a kind of edge of a knife is cambered surface, and the circular knife is being used to cut software material
During material, it is found that resistance is very little, abrasion of the material to the edge of a knife is also mitigated a lot.But the dise knife of this shape is produced in the later stage
Find during piece, during this cambered surface edge of a knife of polishing, the control of radian is extremely important, and radian is big, and blade is easily snapped off, and radian is little
, mitigate the DeGrain of resistance, how to balance the relation between radian and circular knife, applicant takes many times and goes
Research, finally finds, polish circular arc (i.e. section line 1022 in Fig. 3) the corresponding central angle for coming at 10～12 °, while circle
When the length of arc is 0.35～0.4 times of circular knife radius, the performance of the blade is optimal.
A kind of above-mentioned cutting contains the manufacture method of the anistree circular knife of the soft material of hard impurity, and its step is：
(1) blank sintering：Zirconium oxide powder, alumina powder, yttrium oxide powder are crossed respectively 200 mesh sieves, then by oxygen
Change zirconium powder, alumina powder, yttrium oxide powder and binding agent according to mass ratio 10:2.0:0.4:0.5 ball milling mixing is uniform, adopts
It is sintered with hot isotatic pressing method, v=T*w1*w2 DEG C of the programming rate in sintering process/min, T is sintering temperature,
W1 is ratio value of the binding agent in ceramic material, and w2 is the ratio value of sodium chloride in binding agent, the intensification speed in the present embodiment
V=1200*0.5*0.10=60 DEG C/min of degree；Sintering temperature is controlled for 1200 DEG C, pressure is to burn under the conditions of 300Mpa (argon gas)
Knot, is incubated 1h；Binding agent is made up of 55% polyborosiloxane, 20% borax, 10% sodium chloride and 15% polyvinyl alcohol.
(2) processing blades blank：The bulk ceramic material obtained in step (1) is processed into disc, is then cut into
Octagon, in the central cutting of cylinder blade installing hole is gone out, and the two sides of blade is polished using skive, blade
Surface roughness is less than 0.1 μm；
(3) the little edge of a knife is processed：Using skive the eight sides of anistree circular knife are polished successively, the little edge of a knife
Angle is 35 °；
(4) the big edge of a knife is processed：Using skive anistree circular knife is polished successively, rotation during grinder buffing
Direction is vertical with the moving direction of anistree circular knife, and blade is 8m/min with respect to the translational velocity of emery wheel；
(5) edge of a knife is refined：Waxing is polished to the big edge of a knife and the little edge of a knife using leather polishing wheel, the coarse of the edge of a knife is reduced
Spend to 0.025 μm；
(6) blade is checked：Blade is checked using 100 power microscopes, rejects substandard products；
(7) pack：Qualified blade is packed.
Embodiment 3
As shown in FIG. 1 to 3, a kind of anistree circular knife of soft material of the cutting containing hard impurity, including positive eight side
Shape blade 1, the center of blade 1 is provided with installing hole 101, and octagonal each edge edge is provided with the big edge of a knife 102 and the little edge of a knife 103, greatly
The edge of a knife 102 is circular arc along the diametric cross section line 1022 of circular knife；The corresponding central angle of section line 1022 is 11 °,
The length of section line 1022 is 0.38 times of circular knife diameter.In the big edge of a knife cross section of existing plain disk knife such as Fig. 3
1021 shown in, be tapered plane shape, the edge of a knife of this shape resistance in cutting is big, is easily worn and torn by impurity.
The production of applicant's long campaigns blade, is constantly obtained by improving the component and adjustment Technology for Heating Processing of alloy material
A series of high performance cutting dives were obtained, but the common fault that these cylinder blades exist when for cutting soft material is software
Frictional resistance between material and blade is very big, and the abrasion of blade is encountered and contain in soft material hard impurity than more serious
When, damage of the impurity to blade is bigger.So only cannot be solved by changing the component and Technology for Heating Processing of alloy material
An in esse difficult problem.In once producing the chance opportunity of blade, staff slips up blade in the rotation direction with emery wheel
Vertical side moves up, and polishing has obtained the circular knife that a kind of edge of a knife is cambered surface, and the circular knife is being used to cut software material
During material, it is found that resistance is very little, abrasion of the material to the edge of a knife is also mitigated a lot.But the dise knife of this shape is produced in the later stage
Find during piece, during this cambered surface edge of a knife of polishing, the control of radian is extremely important, and radian is big, and blade is easily snapped off, and radian is little
, mitigate the DeGrain of resistance, how to balance the relation between radian and circular knife, applicant takes many times and goes
Research, finally finds, polish circular arc (i.e. section line 1022 in Fig. 3) the corresponding central angle for coming at 10～12 °, while circle
When the length of arc is 0.35～0.4 times of circular knife radius, the performance of the blade is optimal.
A kind of above-mentioned cutting contains the manufacture method of the anistree circular knife of the soft material of hard impurity, and its step is：
(1) blank sintering：Zirconium oxide powder, alumina powder, yttrium oxide powder are crossed respectively 200 mesh sieves, then by oxygen
Change zirconium powder, alumina powder, yttrium oxide powder and binding agent according to mass ratio 10:2.3:0.4:0.5 ball milling mixing is uniform, adopts
It is sintered with hot isotatic pressing method, v=T*w1*w2 DEG C of the programming rate in sintering process/min, T is sintering temperature,
W1 is ratio value of the binding agent in ceramic material, and w2 is the ratio value of sodium chloride in binding agent, the intensification speed in the present embodiment
V=1100*0.5*0.15=82.5 DEG C/min of degree；Sintering temperature is controlled for 1100 DEG C, pressure is under the conditions of 400Mpa (argon gas)
Sintering, is incubated 1h；Binding agent is made up of 60% polyborosiloxane, 10% borax, 15% sodium chloride and 15% polyvinyl alcohol.
(2) processing blades blank：The bulk ceramic material obtained in step (1) is processed into disc, is then cut into
Octagon, in the central cutting of cylinder blade installing hole is gone out, and the two sides of blade is polished using skive, blade
Surface roughness is less than 0.1 μm；
(3) the little edge of a knife is processed：Using skive the eight sides of anistree circular knife are polished successively, the little edge of a knife
Angle is 35 °；
(4) the big edge of a knife is processed：Using skive anistree circular knife is polished successively, rotation during grinder buffing
Direction is vertical with the moving direction of anistree circular knife, and blade is 9m/min with respect to the translational velocity of emery wheel；
(5) edge of a knife is refined：Waxing is polished to the big edge of a knife and the little edge of a knife using leather polishing wheel, the coarse of the edge of a knife is reduced
Spend to 0.025 μm；
(6) blade is checked：Blade is checked using 100 power microscopes, rejects substandard products；
(7) pack：Qualified blade is packed.
Embodiment 4
As shown in figure 4, a kind of anistree circular knife of soft material of the cutting containing hard impurity, the same embodiment of basic structure
Described in 1, except for the difference that：The edge line of the big edge of a knife 102 in the present embodiment is round involute shape, as shown in figure 5,1031
For the inward flange line of the little edge of a knife, basic circle is built by radius of the little edge of a knife width of twice, the involute with basic circle is as edge, and polishing is big
The edge of a knife, according to the distribution shown in Fig. 4, the edge line of the specific big edge of a knife 102 determines method to the big edge of a knife on anistree circular knife
For：The base radius r of involute is 2 times of little edge of a knife width, by taking the edge of a knife on certain side of anistree circular knife as an example, with the little edge of a knife
O points on 103 inward flange lines are the basic circle center of circle, and A points are the end points on certain side of anistree circular knife, and OA length is the radius of basic circle
R, directed line OA is x-axis, sets up plane right-angle coordinate.If M (x, y) is any point on round involute, MB is basic circle
Tangent line, B is point of contact,(radian) is that, with OA as initial line, OB is the positive angle on whole side.TakeFor parameter, round involute
Parametric equation be：
As shown in figure 5, on big direction of the edge of a knife from C to A, thickness gradually uniformly increases, but the blade angle of the big edge of a knife
Maximum no more than 5 °.
The processing method of this blade substantially with embodiment 1, except that, polish the big edge of a knife when, using numerical control machine
Bed edit routine controls the polishing path of the big edge of a knife so as to polish required shape.
Anistree circular knife in the present embodiment, the machete mouth-shaped arrangement in each edge is consistent, using this special shape
Blade when being cut, formed after blade rotation and be similar to spiral cutting stress surface, this stress surface can be by working angles
In the irregular dispersion of extruding force, reduce cutting abrasion of the material to the edge of a knife, moreover it is possible to be prevented effectively from hard impurity to the edge of a knife
Damage.
Claims (8)
1. a kind of anistree circular knife of soft material of the cutting containing hard impurity, including octagon blade (1), described knife
Body (1) center is provided with installing hole (101), and described octagonal each edge edge is provided with the big edge of a knife (102) and the little edge of a knife
(103), it is characterised in that：The big edge of a knife (102) is circular arc along the diametric cross section line (1022) of circular knife.
2. a kind of cutting according to claim 1 contains the anistree circular knife of the soft material of hard impurity, and its feature exists
In：The described corresponding central angle of section line (1022) is 10～12 °, and the length of section line (1022) is circular knife radius
0.35～0.4 times.
3. a kind of cutting described in claim 1 contains the manufacture method of the anistree circular knife of the soft material of hard impurity,
Its step is：
(1) blank sintering：Zirconium oxide powder, alumina powder, yttrium oxide powder and binding agent are well mixed, using high temperature etc.
Static pressure method is sintered to it, controls sintering temperature for 1000～1200 DEG C, and pressure is 400～500Mpa；
(2) processing blades blank：The bulk ceramic material obtained in step (1) is processed into disc, positive eight are then cut into
Side shape, in the central cutting of cylinder blade installing hole is gone out, and the two sides of blade is polished using skive, blade surface
Roughness is less than 0.1 μm；
(3) the little edge of a knife is processed：Using skive the eight sides of anistree circular knife are polished successively, the angle of the little edge of a knife
For 30～35 °；
(4) the big edge of a knife is processed：Using skive anistree circular knife is polished successively, rotation direction during grinder buffing
It is vertical with the moving direction of anistree circular knife；
(5) edge of a knife is refined：Waxing polishing is carried out to the big edge of a knife and the little edge of a knife using leather polishing wheel, the roughness of the edge of a knife is reduced；
(6) blade is checked：Blade is checked using 100 power microscopes, rejects substandard products；
(7) pack：Qualified blade is packed.
4. a kind of cutting according to claim 3 contains the manufacturer of the anistree circular knife of the soft material of hard impurity
Method, it is characterised in that：The mass fraction of the composition of described binding agent and each composition is：50～60% polyborosiloxanes, 10～
20% borax, 10～15% sodium chloride, balance of polyvinyl alcohol.
5. a kind of cutting according to claim 3 or 4 contains the manufacture of the anistree circular knife of the soft material of hard impurity
Method, it is characterised in that：The mixing quality ratio of Zirconium oxide powder, alumina powder, yttrium oxide powder and binding agent is 10:
(1.5-2.3):0.4:0.5。
6. a kind of cutting according to claim 3 contains the manufacturer of the anistree circular knife of the soft material of hard impurity
Method, it is characterised in that：In the sintering process of the step (1), v=T*w1*w2 DEG C of programming rate/min, wherein T are sintering temperature
Degree, w1 is ratio value of the binding agent in ceramic material, and w2 is the ratio value of sodium chloride in binding agent.
7. the manufacturer of the anistree circular knife of the soft material of hard impurity is contained according to a kind of cutting described in claim 5
Method, it is characterised in that：Edge of a knife roughness after fine grinding is 0.025 μm.
8. a kind of cutting according to claim 3 contains the manufacturer of the anistree circular knife of the soft material of hard impurity
Method, it is characterised in that：In step (3) during the processing edge of a knife, blade is less than 10m/min with respect to the translational velocity of emery wheel.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1129415A (en) * | 1993-08-25 | 1996-08-21 | 钴碳化钨硬质合金公司 | Milling cutter with insert adapter |
| CN101491846A (en) * | 2008-01-22 | 2009-07-29 | 李兴烈 | Marquetry cutting head and edge cutting machine using the marquetry cutting head |
| WO2009117491A3 (en) * | 2008-03-19 | 2009-12-30 | S-2 Solutions, Inc. | High speed abrasive cutting blade with simulated teeth |
| CN203994000U (en) * | 2014-08-06 | 2014-12-10 | 安徽华天机械股份有限公司 | A kind of circular arc blade |
| CN104399991A (en) * | 2014-12-15 | 2015-03-11 | 技锋精密刀具（马鞍山）有限公司 | Hard alloy paper slitting single tool processing technology |
| CN104439253A (en) * | 2014-12-15 | 2015-03-25 | 技锋精密刀具（马鞍山）有限公司 | High precision hard alloy small round knife machining process |
| CN105493784A (en) * | 2015-12-29 | 2016-04-20 | 江苏兴农环保科技股份有限公司 | Forced feeding and poking mechanism for press blaer |
-
2016
- 2016-12-25 CN CN201611212363.7A patent/CN106625793B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1129415A (en) * | 1993-08-25 | 1996-08-21 | 钴碳化钨硬质合金公司 | Milling cutter with insert adapter |
| CN101491846A (en) * | 2008-01-22 | 2009-07-29 | 李兴烈 | Marquetry cutting head and edge cutting machine using the marquetry cutting head |
| WO2009117491A3 (en) * | 2008-03-19 | 2009-12-30 | S-2 Solutions, Inc. | High speed abrasive cutting blade with simulated teeth |
| CN203994000U (en) * | 2014-08-06 | 2014-12-10 | 安徽华天机械股份有限公司 | A kind of circular arc blade |
| CN104399991A (en) * | 2014-12-15 | 2015-03-11 | 技锋精密刀具（马鞍山）有限公司 | Hard alloy paper slitting single tool processing technology |
| CN104439253A (en) * | 2014-12-15 | 2015-03-25 | 技锋精密刀具（马鞍山）有限公司 | High precision hard alloy small round knife machining process |
| CN105493784A (en) * | 2015-12-29 | 2016-04-20 | 江苏兴农环保科技股份有限公司 | Forced feeding and poking mechanism for press blaer |
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