CN105081375A - Substrate for machining blade of numerical control machine tool and manufacturing technology of substrate - Google Patents
Substrate for machining blade of numerical control machine tool and manufacturing technology of substrate Download PDFInfo
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- CN105081375A CN105081375A CN201510561107.8A CN201510561107A CN105081375A CN 105081375 A CN105081375 A CN 105081375A CN 201510561107 A CN201510561107 A CN 201510561107A CN 105081375 A CN105081375 A CN 105081375A
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- knife
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/10—Cutting tools with special provision for cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2222/00—Materials of tools or workpieces composed of metals, alloys or metal matrices
- B23B2222/28—Details of hard metal, i.e. cemented carbide
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Abstract
The invention discloses a substrate for machining a blade of a numerical control machine tool and a manufacturing technology of the substrate. The substrate for machining the blade of the numerical control machine tool comprises a cutter handle and a cutter rod which are integrally formed. The cutter handle and the cutter rod are coaxially and fixedly connected and cylinders made of alloy. The mass ratio of carbon to tungsten to cobalt to chromium to beryllium to titanium to silicon and to manganese in the alloy is (8-13) to (15-20) to (4-10) to (5-8) to (3-6) to (13-20) to (5-8) to (5-10). Two through holes enabling the upper end face and the lower end face of the cutter handle are formed in the alloy cutter handle. The side surface and the outer surface of the cutter handle are provided with mesh anti-skid lines in a plated manner. The upper end face, the lower end face and the side face of the cutter handle and the walls of the through holes are plated with aluminum layers of 8-20 micrometers respectively. The surface of the cutter rod is provided with a helical cooling groove. The depth of the cooling groove is one sixth to one third of the diameter of the cutter rod. The outer surface of the cutter rod is plated with a chromium layer of 3-10 micrometers. The free end of the cutter rod is polished to be conical and forms a blade point. The length ratio between the cutter handle and the cutter rod is 1.5-2.5. The radius ratio between the cutter handle and the cutter rod is 1.2-2.
Description
Technical field
The present invention relates to a kind of matrix for numerical control machine for processing blade and manufacture craft thereof.
Background technology
Digit Control Machine Tool blade passes through the rotary cutting of its relative fixed axis with the instrument of the circular hole of cutter turning work piece.Gain the name because of its chip pocket curl.Helicla flute has groove, groove or more groove, but the most common with groove.Blade can be clamped on manual, electronic hand-held tool bore instrument or cutter bed, milling machine, lathe and even machining center and use.
The standing material for cutting hard of Digit Control Machine Tool blade, its access times life-span, low-quality blade often can not be used for cutting because of the difference of material, and cost is very high by great limitation.The material making Digit Control Machine Tool blade is generally high-speed tool steel or carbide alloy, and iron and steel and alloy are referred to as metal material.Their physical property of metal material general, as ductility, hardness, tensile strength, thermal conductivity, electric conductivity etc.Sometimes their chemical property is also utilized, as anti-oxidant, anti acid alkali performance etc.Except making the parts, kitchen utensils etc. of wire, instrument and meter, seldom use metal simple-substance, conventional is their alloy, because the performance of alloy and use value are all high than simple substance.The alloy of usual indication is the general term of non-ferrous alloy, as copper alloy, aluminium alloy etc.In fact steel is also alloy, and common steel are alloys of iron and carbon, so be also carbon steel.Outside deironing in steel, carbon, add other element, be just steel alloy.Separately adding a kind of steel alloy of element, is namely ternary steel.As manganese steel, silicon steel etc.What add two or more element in addition is multicomponent alloy steel.Steel alloy is also often named, as tool steel, high-speed steel, stainless steel etc. by purposes.In existing blade manufacturing industry process, the problem of easily wearing and tearing due to blade causes a large amount of blades to go out of use, and has a strong impact on production efficiency and causes huge economic loss.Although present alloy material is a lot, but alloy material is because of the content difference of its each monocrystal material, the performance of alloy is greatly affected, find one comparatively reasonably alloy material proportioning, reach the characteristics such as the hardness of preferable quality effect alloy, toughness, wearability, corrosion resistance and be optimized proportioning, make it be suitable for blade operating characteristic.In addition, because when making blade, due to technique not or unreasonable up to standard, it is higher to roll the rate of splitting during manufacture, and the skewness of material, in use, easily ruptures, has a strong impact on production.Increase production cost.
Summary of the invention
The object of the invention is to: for above-mentioned Problems existing, a kind of Digit Control Machine Tool blade is provided to solve existing alloy rigidity, toughness, the unbalanced problem that cannot adapt to the handling characteristics of blade of wearability, improve the production technology of blade simultaneously, make each monometallic distribution of material in alloy even, reduce the probability that fracture occurs, substantially increase the life-span, save production cost.
The technical solution used in the present invention is as follows:
The invention discloses a kind of matrix for numerical control machine for processing blade and manufacture craft thereof, comprise integrated handle of a knife and knife bar, described handle of a knife is coaxially fixedly connected with knife bar, handle of a knife and knife bar be by alloy make cylindrical, in alloy, the mass ratio of each composition is, carbon: tungsten: cobalt: chromium: beryllium: titanium: silicon: manganese=(8-13): (15-20): (4-10): (5-8): (3-6): (13-20): (5-8): (5-10), the through hole that two are communicated with this handle of a knife upper and lower end face is provided with in this alloy handle of a knife, the side plating outer surface of handle of a knife is provided with netted anti-slip veins, the face, upper and lower end face of handle of a knife, the wall of side and through hole is coated with the aluminium lamination of 8-20 micron, knife bar surface is provided with spiral helicine cooling bath, and the degree of depth of cooling bath is 1/1 to three/6th of knife bar diameter, and the outer surface of knife bar is coated with the layers of chrome of 3-10 micron, and the free end of knife bar is polished into taper and forms the knife edge, handle of a knife is 1.5-2.5 with the length ratio of knife bar, and the radius ratio of handle of a knife and knife bar is 1.2-2.
As preferably, the manufacture craft for the matrix of numerical control machine for processing blade comprises the following steps:
(1). obtaining granularity after being refined by the powder such as tungsten carbide, titanium carbide, cobalt carbide, chromium silicide, beryllium carbide, silication manganese is at normal temperatures 700-1200 object powder, these powder are dried and is cooled to normal temperature and then make alloy powder with certain proportion Homogeneous phase mixing, each composition quality ratio in alloy powder is made to be, carbon: tungsten: cobalt: chromium: beryllium: titanium: silicon: manganese=(8-13): (15-20): (4-10): (5-8): (3-6): (13-20): (5-8): (5-10);
(2) be not more than in the environment of 10% in relative humidity, alloy powder is put into liquid nitrogen precooling 15-20min, then alloy powder is warming up to-35-25 degree Celsius, with portion rate, alloy powder: gasoline: mercury: zinc stearate=(10-15): (5-8): (1-1.2): the ratio uniform of (0.09-0.15) is mixed to get paste alloy;
(3). will tamp in this paste alloy press-in die and impose the pressure extrusion of more than 200MPa, paste alloy is put into sintering furnace, in sintering furnace, pass into nitrogen and get rid of other gas, then paste alloy is heated up, until be warming up to 250-300 degree Celsius, in this temperature-rise period, the pressure of paste alloy is promoted to 600-650Mpa gradually, imposes frequency 70-95HZ, amplitude 0.05-0.3mm swing die simultaneously, after completing, keep pressure 15-20min;
(4). to paste alloy be warming up to 400-450 degree Celsius, boost in pressure to 800-850Mpa, meanwhile, impose frequency 100-130HZ, amplitude 0.05-0.4mm swing die, after completing, keep pressure 25-30min;
(5). 800-950 degree Celsius of preheating 30-50min is warming up to paste alloy, be forced into more than 1000Mpa simultaneously, then paste alloy is warming up to more than 1500-1800 degree Celsius preheating 15-25min, then being warming up to paste alloy thawing rate to the paste alloy in mould is 5%-10%, then in sintering furnace, pass into the mist of carbon monoxide and nitrogen, and make sintering make middle relative humidity be less than 3%, oxygen content is less than 0.04%, and keep being not less than 950MPa to the pressure of paste alloy, then with frequency 100-300HZ, amplitude 0.05-0.3mm swing die, after keeping vibration 20-35min, again be warming up to paste alloy and melt 20%-40%, then vibration frequency and amplitude increase 15%-25%, continue 20-30min,
(6). in agglomerating chamber, pass into the mist of 800-1000 degree Celsius, sintering indoor temperature is slowly down to 1700-1800 degree Celsius, make paste alloy cooling forming, become crude green body, keep in temperature-fall period being not less than 1200Mpa to the pressure of crude green body, in agglomerating chamber, pass into the successively cooling that the lower nitrogen of temperature realizes agglomerating chamber, each cooling 100-200 degree Celsius, keep 5-8min after each cooling, first base is down to 300-400 degree Celsius and is taken out crude green body;
(7). the crude green body of taking-up is put into quenching liquid immediately and quenches, this quenching liquid comprises 28%-35% potassium hydroxide, 11%-15% sodium nitrate, 20%-25% sodium metasilicate, 15%-18% sodium chloride and water, through polishing, machining after taking-up crude green body, obtain the matrix for numerical control machine for processing blade with cylindrical knife shank and cylinder shape knife rod, and make handle of a knife be 1.5-2.5 with the length ratio of knife bar, the radius ratio of handle of a knife and knife bar is 1.2-2, carries out laser cutting scribe spiral helicine cooling bath to the knife bar of the matrix for numerical control machine for processing blade; The through hole that two are communicated with handle of a knife upper and lower end face is obtained to the handle of a knife punching of the matrix for numerical control machine for processing blade; Netted anti-slip veins is scribed in the side surface of handle of a knife.
(8). polishing to surface roughness to the matrix for numerical control machine for processing blade is 0.2-0.4, plates the layers of chrome of 3-10 micron after using acidic cleaner cleaning.
(9). polishing to surface roughness to the matrix for numerical control machine for processing blade having plated layers of chrome is 0.25-0.35, plates the aluminium lamination of 8-20 micron after using alkaline cleaner cleaning.
(10). the aluminium lamination polishing being used for the knife bar surface of the matrix of numerical control machine for processing blade is removed, is then taper shape in the free end polishing of knife bar and forms the knife edge, obtaining blade.
As preferably, the aperture of described through hole is shank diameter 1/6th.
As preferably, in described alloy, the mass ratio of each composition is, carbon: tungsten: cobalt: chromium: beryllium: titanium: silicon: manganese=11:18:6:7:4:14:6.5:6.
As preferably, in described step (2), gasoline: CALOMELAS: zinc stearate=13:7:1.1:0.11.
As preferably, in described mist, carbon monoxide content is 10%-15%.
Due to said structure and technique, in the manufacturing process of blade, handle of a knife and knife bar one-body molded, interface crack can not be produced because successively making between handle of a knife and knife bar, simultaneously the material of handle of a knife and knife bar, density are all identical, substantially increase because handle of a knife comes off the normal situation about using of impact like this, the life cycle of the blade greatly improved, this integrated blade connects handle of a knife, knife bar and life-span of blade of making improves 20%-40% relative to adopting welding procedure.Each is had very high strength metal and effectively combine the alloy blade made and have hardness, corrosion-resistant, wear-resisting, toughness, the feature such as high temperature resistant concurrently, and above-mentioned reasonable disposition made it more use and the production of blade and manufacture, compared with the blade made with conventional tungsten-cobalt alloy, the hardness of this blade improves 6%-10%, corrosion-resistant degree improves 3%-6.4%, toughness improves 7%-9%, and high temperature resistant degree improves 8%-11%.There is higher use value and industrial value.In addition, this novel alloy made just has the advantage that processing performance is good, has excellent combination property, after wearing into blade, average often grind a blade after, the blade height made than tungsten-cobalt alloy of the average access times of this blade 4-7 time, greatly improves operating efficiency.In addition, the low 4%-8% of blade that the quality of this blade is made than tungsten-cobalt alloy, but makes the performance of blade promote to some extent.And, the heat produced in use compared to common blade blade of the present invention can obtain good heat conduction, effectively reduce the temperature difference of blade local, in addition, this blade has high heat endurance, performance affects less by variations in temperature, greatly reduces the impact of temperature on blade life.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows: a kind of matrix for numerical control machine for processing blade of the present invention and manufacture craft thereof, there is extremely strong hardness and toughness, have the feature of wearability concurrently simultaneously, not easily rupture, substantially increase the life-span, saved production cost.
Accompanying drawing explanation
Fig. 1 is the front view for the matrix of numerical control machine for processing blade in the present invention;
Fig. 2 is the matrix sectional view for numerical control machine for processing blade in the present invention;
Fig. 3 is the matrix right view for numerical control machine for processing blade in the present invention;
Fig. 4 is the matrix left view for numerical control machine for processing blade in the present invention;
Mark in figure: 1-handle of a knife, 2-knife bar, 3-through hole, 4-cooling bath.
Detailed description of the invention
All features disclosed in this description, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Arbitrary feature disclosed in this description (comprising any accessory claim, summary and accompanying drawing), unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
Specific embodiment 1: as Figure 1-4, the invention discloses a kind of matrix for numerical control machine for processing blade and manufacture craft thereof, comprise integrated handle of a knife 1 and knife bar 2, described handle of a knife 1 is coaxially fixedly connected with knife bar 2, handle of a knife 1 and knife bar 2 be by alloy make cylindrical, in alloy, the mass ratio of each composition is, carbon: tungsten: cobalt: chromium: beryllium: titanium: silicon: manganese=(8-13): (15-20): (4-10): (5-8): (3-6): (13-20): (5-8): (5-10), be preferably carbon: tungsten: cobalt: chromium: beryllium: titanium: silicon: manganese=11:18:6:7:4:14:6.5:6.The through hole 3 that two are communicated with this handle of a knife 1 upper and lower end face is provided with in this alloy handle of a knife 1, the aperture of through hole 3 is handle of a knife 1 diameter 1/6th, the side plating outer surface of handle of a knife 1 is provided with netted anti-slip veins, the wall of the face, upper and lower end face of handle of a knife 1, side and through hole 3 is coated with the aluminium lamination of 8-20 micron; Knife bar 2 surface is provided with spiral helicine cooling bath 4, and the degree of depth of cooling bath 4 is 1/1 to three/6th of knife bar 2 diameter, and the outer surface of knife bar 2 is coated with the layers of chrome of 3-10 micron, and the free end of knife bar 2 is polished into taper and forms the knife edge; Handle of a knife 1 is 1.5-2.5 with the length ratio of knife bar 2, and handle of a knife 1 is 1.2-2 with the radius ratio of knife bar 2.
Manufacture craft for the matrix of numerical control machine for processing blade comprises the following steps:
(1). obtaining granularity after being refined by the powder such as tungsten carbide, titanium carbide, cobalt carbide, chromium silicide, beryllium carbide, silication manganese is at normal temperatures 700-1200 object powder, these powder are dried and is cooled to normal temperature and then make alloy powder with certain proportion Homogeneous phase mixing, each composition quality ratio in alloy powder is made to be, carbon: tungsten: cobalt: chromium: beryllium: titanium: silicon: manganese=(8-13): (15-20): (4-10): (5-8): (3-6): (13-20): (5-8): (5-10);
(2) be not more than in the environment of 10% in relative humidity, alloy powder is put into liquid nitrogen precooling 15-20min, then alloy powder is warming up to-35-25 degree Celsius, with portion rate, alloy powder: gasoline: mercury: zinc stearate=(10-15): (5-8): (1-1.2): the ratio uniform of (0.09-0.15) is mixed to get paste alloy, is preferably gasoline: CALOMELAS: zinc stearate=13:7:1.1:0.11;
(3). will tamp in this paste alloy press-in die and impose the pressure extrusion of more than 200MPa, paste alloy is put into sintering furnace, in sintering furnace, pass into nitrogen and get rid of other gas, then paste alloy is heated up, until be warming up to 250-300 degree Celsius, in this temperature-rise period, the pressure of paste alloy is promoted to 600-650Mpa gradually, imposes frequency 70-95HZ, amplitude 0.05-0.3mm swing die simultaneously, after completing, keep pressure 15-20min;
(4). to paste alloy be warming up to 400-450 degree Celsius, boost in pressure to 800-850Mpa, meanwhile, impose frequency 100-130HZ, amplitude 0.05-0.4mm swing die, after completing, keep pressure 25-30min;
(5). 800-950 degree Celsius of preheating 30-50min is warming up to paste alloy, be forced into more than 1000Mpa simultaneously, then paste alloy is warming up to more than 1500-1800 degree Celsius preheating 15-25min, then being warming up to paste alloy thawing rate to the paste alloy in mould is 5%-10%, then in sintering furnace, pass into the mist of carbon monoxide and nitrogen, in mist, carbon monoxide content is 10%-15%, and make sintering make middle relative humidity be less than 3%, oxygen content is less than 0.04%, and keep being not less than 950MPa to the pressure of paste alloy, then with frequency 100-300HZ, amplitude 0.05-0.3mm swing die, after keeping vibration 20-35min, again be warming up to paste alloy and melt 20%-40%, then vibration frequency and amplitude increase 15%-25%, continue 20-30min,
(6). in agglomerating chamber, pass into the mist of 800-1000 degree Celsius, sintering indoor temperature is slowly down to 1700-1800 degree Celsius, make paste alloy cooling forming, become crude green body, keep in temperature-fall period being not less than 1200Mpa to the pressure of crude green body, in agglomerating chamber, pass into the successively cooling that the lower nitrogen of temperature realizes agglomerating chamber, each cooling 100-200 degree Celsius, keep 5-8min after each cooling, first base is down to 300-400 degree Celsius and is taken out crude green body;
(7). the crude green body of taking-up is put into quenching liquid immediately and quenches, this quenching liquid comprises 28%-35% potassium hydroxide, 11%-15% sodium nitrate, 20%-25% sodium metasilicate, 15%-18% sodium chloride and water, through polishing, machining after taking-up crude green body, obtain the matrix for numerical control machine for processing blade with cylindrical knife shank 1 and cylinder shape knife rod 2, and make handle of a knife 1 be 1.5-2.5 with the length ratio of knife bar 2, handle of a knife 1 is 1.2-2 with the radius ratio of knife bar 2, carries out laser cutting scribe spiral helicine cooling bath 4 to the knife bar 2 of the matrix for numerical control machine for processing blade; The through hole 3 that two are communicated with handle of a knife 1 upper and lower end face is obtained to handle of a knife 1 punching of the matrix for numerical control machine for processing blade; Netted anti-slip veins is scribed in the side surface of handle of a knife 1.
(8). polishing to surface roughness to the matrix for numerical control machine for processing blade is 0.2-0.4, plates the layers of chrome of 3-10 micron after using acidic cleaner cleaning.
(9). polishing to surface roughness to the matrix for numerical control machine for processing blade having plated layers of chrome is 0.25-0.35, plates the aluminium lamination of 8-20 micron after using alkaline cleaner cleaning.
(10). the aluminium lamination polishing being used for knife bar 2 surface of the matrix of numerical control machine for processing blade is removed, is then taper shape in the free end polishing of knife bar 2 and forms the knife edge, obtaining blade.
The present invention is not limited to aforesaid detailed description of the invention.The present invention expands to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.
Claims (6)
1. the matrix for numerical control machine for processing blade, comprise integrated handle of a knife and knife bar, it is characterized in that, described handle of a knife is coaxially fixedly connected with knife bar, handle of a knife and knife bar be by alloy make cylindrical, in alloy, the mass ratio of each composition is, carbon: tungsten: cobalt: chromium: beryllium: titanium: silicon: manganese=(8-13): (15-20): (4-10): (5-8): (3-6): (13-20): (5-8): (5-10), the through hole that two are communicated with this handle of a knife upper and lower end face is provided with in this alloy handle of a knife, the side plating outer surface of handle of a knife is provided with netted anti-slip veins, the face, upper and lower end face of handle of a knife, the wall of side and through hole is coated with the aluminium lamination of 8-20 micron, knife bar surface is provided with spiral helicine cooling bath, and the degree of depth of cooling bath is 1/1 to three/6th of knife bar diameter, and the outer surface of knife bar is coated with the layers of chrome of 3-10 micron, and the free end of knife bar is polished into taper and forms the knife edge, handle of a knife is 1.5-2.5 with the length ratio of knife bar, and the radius ratio of handle of a knife and knife bar is 1.2-2.
2. the manufacture craft of the matrix for numerical control machine for processing blade according to claim 1, is characterized in that, comprise the following steps:
(1). obtaining granularity after being refined by the powder such as tungsten carbide, titanium carbide, cobalt carbide, chromium silicide, beryllium carbide, silication manganese is at normal temperatures 700-1200 object powder, these powder are dried and is cooled to normal temperature and then make alloy powder with certain proportion Homogeneous phase mixing, each composition quality ratio in alloy powder is made to be, carbon: tungsten: cobalt: chromium: beryllium: titanium: silicon: manganese=(8-13): (15-20): (4-10): (5-8): (3-6): (13-20): (5-8): (5-10);
(2) be not more than in the environment of 10% in relative humidity, alloy powder is put into liquid nitrogen precooling 15-20min, then alloy powder is warming up to-35-25 degree Celsius, with portion rate, alloy powder: gasoline: mercury: zinc stearate=(10-15): (5-8): (1-1.2): the ratio uniform of (0.09-0.15) is mixed to get paste alloy;
(3). will tamp in this paste alloy press-in die and impose the pressure extrusion of more than 200MPa, paste alloy is put into sintering furnace, in sintering furnace, pass into nitrogen and get rid of other gas, then paste alloy is heated up, until be warming up to 250-300 degree Celsius, in this temperature-rise period, the pressure of paste alloy is promoted to 600-650Mpa gradually, imposes frequency 70-95HZ, amplitude 0.05-0.3mm swing die simultaneously, after completing, keep pressure 15-20min;
(4). to paste alloy be warming up to 400-450 degree Celsius, boost in pressure to 800-850Mpa, meanwhile, impose frequency 100-130HZ, amplitude 0.05-0.4mm swing die, after completing, keep pressure 25-30min;
(5). 800-950 degree Celsius of preheating 30-50min is warming up to paste alloy, be forced into more than 1000Mpa simultaneously, then paste alloy is warming up to more than 1500-1800 degree Celsius preheating 15-25min, then being warming up to paste alloy thawing rate to the paste alloy in mould is 5%-10%, then in sintering furnace, pass into the mist of carbon monoxide and nitrogen, and make sintering make middle relative humidity be less than 3%, oxygen content is less than 0.04%, and keep being not less than 950MPa to the pressure of paste alloy, then with frequency 100-300HZ, amplitude 0.05-0.3mm swing die, after keeping vibration 20-35min, again be warming up to paste alloy and melt 20%-40%, then vibration frequency and amplitude increase 15%-25%, continue 20-30min,
(6). in agglomerating chamber, pass into the mist of 800-1000 degree Celsius, sintering indoor temperature is slowly down to 1700-1800 degree Celsius, make paste alloy cooling forming, become crude green body, keep in temperature-fall period being not less than 1200Mpa to the pressure of crude green body, in agglomerating chamber, pass into the successively cooling that the lower nitrogen of temperature realizes agglomerating chamber, each cooling 100-200 degree Celsius, keep 5-8min after each cooling, first base is down to 300-400 degree Celsius and is taken out crude green body;
(7). the crude green body of taking-up is put into quenching liquid immediately and quenches, this quenching liquid comprises 28%-35% potassium hydroxide, 11%-15% sodium nitrate, 20%-25% sodium metasilicate, 15%-18% sodium chloride and water, through polishing, machining after taking-up crude green body, obtain the matrix for numerical control machine for processing blade with cylindrical knife shank and cylinder shape knife rod, and make handle of a knife be 1.5-2.5 with the length ratio of knife bar, the radius ratio of handle of a knife and knife bar is 1.2-2, carries out laser cutting scribe spiral helicine cooling bath to the knife bar of the matrix for numerical control machine for processing blade; The through hole that two are communicated with handle of a knife upper and lower end face is obtained to the handle of a knife punching of the matrix for numerical control machine for processing blade; Netted anti-slip veins is scribed in the side surface of handle of a knife;
(8). polishing to surface roughness to the matrix for numerical control machine for processing blade is 0.2-0.4, plates the layers of chrome of 3-10 micron after using acidic cleaner cleaning;
(9). polishing to surface roughness to the matrix for numerical control machine for processing blade having plated layers of chrome is 0.25-0.35, plates the aluminium lamination of 8-20 micron after using alkaline cleaner cleaning;
(10). the aluminium lamination polishing being used for the knife bar surface of the matrix of numerical control machine for processing blade is removed, is then taper shape in the free end polishing of knife bar and forms the knife edge, obtaining blade.
3. the matrix for numerical control machine for processing blade according to claim 1, is characterized in that, the aperture of described through hole is shank diameter 1/6th.
4. a kind of matrix for numerical control machine for processing blade according to claim 1 and manufacture craft thereof, it is characterized in that, in described alloy, the mass ratio of each composition is, carbon: tungsten: cobalt: chromium: beryllium: titanium: silicon: manganese=11:18:6:7:4:14:6.5:6.
5. the manufacture craft of the matrix for numerical control machine for processing blade according to claim 2, is characterized in that, in described step (2), and gasoline: CALOMELAS: zinc stearate=13:7:1.1:0.11.
6. the manufacture craft of the matrix for numerical control machine for processing blade according to claim 2, is characterized in that, in described mist, carbon monoxide content is 10%-15%.
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| CN107738077A (en) * | 2017-11-14 | 2018-02-27 | 富耐克超硬材料股份有限公司 | Whole PC BN circular rod-shaped cutting tools and preparation method thereof |
| CN109746498A (en) * | 2017-11-03 | 2019-05-14 | 肯纳金属公司 | Rotary cutting tool and preparation method thereof with coolant channel |
| CN114375102A (en) * | 2022-02-10 | 2022-04-19 | 业成科技（成都）有限公司 | Method for manufacturing patterned circuit |
| WO2023005087A1 (en) * | 2021-07-28 | 2023-02-02 | 科益展智能装备有限公司 | Cutter switching structure, cutter assembly, processing apparatus, and machine tool |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109746498A (en) * | 2017-11-03 | 2019-05-14 | 肯纳金属公司 | Rotary cutting tool and preparation method thereof with coolant channel |
| CN107738077A (en) * | 2017-11-14 | 2018-02-27 | 富耐克超硬材料股份有限公司 | Whole PC BN circular rod-shaped cutting tools and preparation method thereof |
| WO2023005087A1 (en) * | 2021-07-28 | 2023-02-02 | 科益展智能装备有限公司 | Cutter switching structure, cutter assembly, processing apparatus, and machine tool |
| CN114375102A (en) * | 2022-02-10 | 2022-04-19 | 业成科技（成都）有限公司 | Method for manufacturing patterned circuit |
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