CN114592108A - High-hardness precise engraving cutting die and preparation method thereof - Google Patents
High-hardness precise engraving cutting die and preparation method thereof Download PDFInfo
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- 238000005520 cutting process Methods 0.000 title claims abstract description 56
- 238000002360 preparation method Methods 0.000 title claims abstract description 31
- 238000010791 quenching Methods 0.000 claims abstract description 86
- 230000000171 quenching effect Effects 0.000 claims abstract description 86
- 238000001816 cooling Methods 0.000 claims abstract description 77
- 238000010438 heat treatment Methods 0.000 claims abstract description 51
- 238000000034 method Methods 0.000 claims abstract description 33
- 230000008569 process Effects 0.000 claims abstract description 29
- -1 phosphoryl carboxylic acid Chemical class 0.000 claims description 29
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 22
- 229920000570 polyether Polymers 0.000 claims description 22
- 239000002202 Polyethylene glycol Substances 0.000 claims description 20
- 230000000844 anti-bacterial effect Effects 0.000 claims description 20
- 239000003899 bactericide agent Substances 0.000 claims description 20
- 229920001223 polyethylene glycol Polymers 0.000 claims description 20
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 19
- 239000012964 benzotriazole Substances 0.000 claims description 19
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 19
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims description 19
- 235000010234 sodium benzoate Nutrition 0.000 claims description 19
- 239000004299 sodium benzoate Substances 0.000 claims description 19
- 239000002994 raw material Substances 0.000 claims description 11
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 10
- NBIIXXVUZAFLBC-UHFFFAOYSA-N phosphoric acid Substances OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 10
- XZUFOIXMGPVMGR-UHFFFAOYSA-N ethenol;phosphoric acid Chemical compound OC=C.OP(O)(O)=O XZUFOIXMGPVMGR-UHFFFAOYSA-N 0.000 claims description 9
- 238000007873 sieving Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims 4
- 230000008859 change Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 229940043237 diethanolamine Drugs 0.000 description 16
- 238000003756 stirring Methods 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 150000002780 morpholines Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
- C21D1/58—Oils
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/001—Heat treatment of ferrous alloys containing Ni
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- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
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- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
- B26F2001/4463—Methods and devices for rule setting, fixation, preparing cutting dies
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Abstract
The invention discloses a high-hardness precise engraving cutting die and a preparation method thereof, and belongs to the technical field of cutting tools. The modified preparation method comprises a heat treatment process after the cutting die is carved, wherein the heat treatment process comprises a heating-cooling stage, and the cooling stage adopts water-soluble quenching oil for cooling. The high-hardness precision engraving cutting die disclosed by the invention is excellent in hardness and toughness performance and long in service life. According to the preparation method of the high-hardness precise engraving cutting die, the water-soluble quenching oil is adopted for cooling, so that the cooling time is prolonged, and the deviation caused by rapid temperature change fluctuation in the cooling process is reduced. The high-hardness precision engraving cutting die obtained by the water-soluble quenching oil with the specific components has excellent hardness and toughness performance, small batch quality difference and stable quality at a specific cooling speed.
Description
Technical Field
The invention belongs to the technical field of cutting tools, and particularly relates to a high-hardness precision engraving cutting die and a preparation method thereof.
Background
The die cutting process is a cutting process commonly used for packaging and printing, and is a forming process for combining a cutting die with a cutting die according to a pattern required by product packaging design into a die cutting plate and rolling and cutting a printed matter or other plate-shaped blanks into a required shape or a cutting mark under the action of pressure. The parameters of sharpness, hardness and the like of the cutting die in the process influence the stability and the efficiency of the die cutting.
CN107058868A discloses a high hardness precision engraving cutting die, which improves the hardness and acid and corrosion resistance of the cutting die by a two-step heat treatment-cooling process after the engraving process. In the related research, the researchers of the invention find that the high-hardness precision engraving cutting die has higher requirement on the control precision of the cooling speed when being cooled by means of air, water and the like in the preparation process, and the main technical indexes of the obtained cutting die, such as hardness, toughness and the like, are easily influenced.
Disclosure of Invention
In order to solve the problems, the researchers of the invention try to develop a cooling process by using water-soluble quenching oil, so that the cooling process is slowed down, and meanwhile, the hardness and the toughness of the carving knife mold can be well improved.
The invention discloses a preparation method of a high-hardness precise engraving cutting die, which comprises a heat treatment process after engraving the cutting die, wherein the heat treatment process comprises a heating-cooling stage, and the cooling stage adopts water-soluble quenching oil for cooling.
In some preferred embodiments of the present invention, the heat treatment process comprises a two-stage heating-cooling stage, each stage comprising a heating-cooling-heating-cooling to room temperature stage.
In some preferred embodiments of the present invention, the following steps are included:
s01, heating the carving knife mold to 850-;
s02, heating the carving knife mold to 650-;
the dosage of the water-soluble quenching oil is adjusted, and the cooling speed of the water-soluble quenching oil is controlled to be 300 +/-20 ℃/min to 500 +/-20 ℃/min.
In some preferred embodiments of the invention, the cooling speed of the water-soluble quenching oil is controlled to be 350 +/-20 ℃/min to 450 +/-20 ℃/min.
In some preferred embodiments of the invention, the cooling speed of the water-soluble quenching oil is controlled to be 350 +/-20 ℃/min to 450 +/-20 ℃/min.
In some preferred embodiments of the present invention, the water-soluble quenching oil comprises the following raw materials in parts by weight:
35-45 parts of polyether, 5-15 parts of diethanolamine, 3-8 parts of sodium benzoate, 0.5-5 parts of benzotriazole, 0.1-0.2 part of phosphoryl carboxylic acid, 1-4 parts of hydroxyl ethylidene phosphoric acid, 0.1-0.2 part of polyethylene glycol and 0.1-0.2 part of bactericide.
In some preferred embodiments of the present invention, the water-soluble quenching oil comprises the following raw materials in parts by weight:
40 parts of polyether, 8-10 parts of diethanolamine, 5 parts of sodium benzoate, 1-2 parts of benzotriazole, 0.1 part of phosphoryl carboxylic acid, 2 parts of hydroxyl ethylene phosphoric acid, 0.1 part of polyethylene glycol and 0.1 part of bactericide.
In some preferred embodiments of the present invention, the water-soluble quenching oil is prepared by the following steps:
and (2) mixing diethanolamine, sodium benzoate, benzotriazole, phosphoryl carboxylic acid, hydroxyl ethylene phosphoric acid, polyethylene glycol and a bactericide, heating, adding polyether, mixing, and sieving to obtain the water-soluble quenching oil.
In some preferred embodiments of the present invention, the temperature is raised to 50 to 60 ℃ in the method for preparing the water-soluble quenching oil.
In some preferred embodiments of the present invention, the method for preparing the water-soluble quenching oil comprises adding the polyether in 4-6 batches to maintain the temperature.
In some preferred embodiments of the present invention, during the cooling process with the water-soluble quenching oil, the PID control of the pump flow rate to the target volume is performed by the following algorithm:
wherein, Δ u (c) corresponds to the volume change in the time interval between two test volumes; kc is a constant, 5-10; f (C) is the deviation at the time of sampling C, f (C-1) is the deviation at the time of sampling C-1, and f (C-2) is the deviation at the time of sampling C-2; t isIIntegration time is 1.5-2.0 min; t isDDifferential time, 1-2.0 min; t isSThe sampling period is 1.0-2.0 s. Within this parameter range, the effect of controlling the pump flow is significantly better than other parameter ranges.
The second aspect of the invention discloses the high-hardness precise engraving cutting die obtained by the preparation method of the first aspect.
The invention has the beneficial effects that:
(1) the high-hardness precision engraving cutting die disclosed by the invention is excellent in hardness and toughness performance and long in service life.
(2) According to the preparation method of the high-hardness precise engraving cutting die, the water-soluble quenching oil is adopted for cooling, so that the cooling time is prolonged, and the deviation caused by rapid temperature change fluctuation in the cooling process is reduced. The high-hardness precision engraving cutting die obtained by the water-soluble quenching oil with the specific components has excellent hardness and toughness performance, small batch quality difference and stable quality at a specific cooling speed.
Drawings
Fig. 1 is a view showing the outline of an engraving die according to an embodiment of the present invention.
Detailed Description
The following embodiments of the present invention are provided by way of specific examples, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
The weight percentage composition of the cutting die is C: 0.28%, Si: 1.3%, Mn: 1.6%, P: 0.014%, S: 0.007%, Nb: 0.026%, Ti: 0.074%, Ni: 0.3%, Mo: 1.3%, Cu: 0.4%, Al: 0.12%, and the balance of Fe and impurities. The molecular weight of the polyether is 40000, the molecular weight of the polyethylene glycol is 6000, and the bactericide is a morpholine derivative.
Unless otherwise specified, the examples and comparative examples are parallel tests with identical components, component contents, preparation steps, preparation parameters.
Example 1
A preparation method of a high-hardness precise engraving cutting die comprises the following steps:
(1) preparation of water-soluble quenching oil
Mixing diethanolamine, sodium benzoate, benzotriazole, phosphoryl carboxylic acid, hydroxyl ethylidene phosphoric acid, polyethylene glycol and a bactericide, stirring for 3min, heating to 50 ℃, adding polyether in batches for 5 times, keeping the temperature, stirring for 30min, and sieving with a 120-mesh sieve to obtain the water-soluble quenching oil.
In the raw materials for preparing the water-soluble quenching oil, the weight ratio of polyether, diethanol amine, sodium benzoate, benzotriazole, phosphoryl carboxylic acid, hydroxyl ethylene phosphoric acid, polyethylene glycol and bactericide is 40:10:5:2:0.1:2:0.1: 0.1.
(2) Heat treatment process of engraving cutter die after engraving process
Heating the carving cutting die to 850 ℃, preserving heat for 15min, cooling to 600 ℃ with water-soluble quenching oil for the first time, heating the cutting die to 750 ℃, cooling to 300 ℃ with water-soluble quenching oil for the second time, and naturally cooling to room temperature;
heating the carving knife mold to 650 ℃, preserving heat for 10min, cooling to 500 ℃ with water-soluble quenching oil for the first time, heating the knife mold to 650 ℃, cooling to 300 ℃ with water-soluble quenching oil for the second time, and naturally cooling to room temperature to obtain the high-hardness precision carving knife.
The dosage of the water-soluble quenching oil is adjusted, and the cooling speed of the water-soluble quenching oil is controlled to be 300 +/-20 ℃/min.
Example 2
A preparation method of a high-hardness precise engraving cutting die comprises the following steps:
(1) preparation of water-soluble quenching oil
Mixing diethanolamine, sodium benzoate, benzotriazole, phosphoryl carboxylic acid, hydroxyl ethylidene phosphoric acid, polyethylene glycol and a bactericide, stirring for 3min, heating to 60 ℃, adding polyether in batches for 4 times, keeping the temperature, stirring for 30min, and sieving with a 120-mesh sieve to obtain the water-soluble quenching oil.
In the raw materials for preparing the water-soluble quenching oil, the weight ratio of polyether, diethanol amine, sodium benzoate, benzotriazole, phosphoryl carboxylic acid, hydroxyl ethylene phosphoric acid, polyethylene glycol and bactericide is 40:8:5:1:0.1:2:0.1: 0.1.
(2) Heat treatment process of engraving cutter die after engraving process
Heating the carving cutting die to 850 ℃, preserving heat for 15min, cooling to 600 ℃ with water-soluble quenching oil for the first time, heating the cutting die to 750 ℃, cooling to 300 ℃ with water-soluble quenching oil for the second time, and naturally cooling to room temperature;
heating the carving knife mold to 650 ℃, preserving heat for 10min, cooling to 500 ℃ with water-soluble quenching oil for the first time, heating the knife mold to 650 ℃, cooling to 300 ℃ with water-soluble quenching oil for the second time, and naturally cooling to room temperature to obtain the high-hardness precision carving knife.
The dosage of the water-soluble quenching oil is adjusted, and the cooling speed of the water-soluble quenching oil is controlled to be 300 +/-20 ℃/min.
Example 3
A preparation method of a high-hardness precise engraving cutting die comprises the following steps:
(1) preparation of water-soluble quenching oil
Mixing diethanolamine, sodium benzoate, benzotriazole, phosphoryl carboxylic acid, hydroxyl ethylidene phosphoric acid, polyethylene glycol and a bactericide, stirring for 3min, heating to 50 ℃, adding polyether in batches for 5 times, keeping the temperature, stirring for 30min, and sieving with a 120-mesh sieve to obtain the water-soluble quenching oil.
In the raw materials for preparing the water-soluble quenching oil, the weight ratio of polyether, diethanol amine, sodium benzoate, benzotriazole, phosphoryl carboxylic acid, hydroxyethylidene phosphoric acid, polyethylene glycol and bactericide is 40:10:5:2:0.1:2:0.1: 0.1.
(2) Heat treatment process of engraving cutter die after engraving process
Heating the carving cutting die to 850 ℃, preserving heat for 15min, cooling to 650 ℃ by using water-soluble quenching oil for the first time, heating the cutting die to 750 ℃, cooling to 300 ℃ by using water-soluble quenching oil for the second time, and naturally cooling to room temperature;
heating the carving knife mold to 650 ℃, preserving heat for 10-min, cooling the water-soluble quenching oil to 550 ℃ for the first time, heating the knife mold to 650 ℃, cooling the water-soluble quenching oil to 300 ℃ for the second time, and naturally cooling to room temperature to obtain the high-hardness precision carving knife.
The dosage of the water-soluble quenching oil is adjusted, and the cooling speed of the water-soluble quenching oil is controlled to be 300 +/-20 ℃/min.
Example 4
A preparation method of a high-hardness precise engraving cutting die comprises the following steps:
(1) preparation of water-soluble quenching oil
Mixing diethanolamine, sodium benzoate, benzotriazole, phosphoryl carboxylic acid, hydroxyl ethylidene phosphoric acid, polyethylene glycol and a bactericide, stirring for 3min, heating to 50 ℃, adding polyether in batches for 5 times, keeping the temperature, stirring for 30min, and sieving with a 120-mesh sieve to obtain the water-soluble quenching oil.
In the raw materials for preparing the water-soluble quenching oil, the weight ratio of polyether, diethanol amine, sodium benzoate, benzotriazole, phosphoryl carboxylic acid, hydroxyl ethylene phosphoric acid, polyethylene glycol and bactericide is 40:10:5:2:0.1:2:0.1: 0.1.
(2) Heat treatment process of engraving cutter die after engraving process
Heating the carving cutting die to 850 ℃, preserving heat for 15min, cooling to 600 ℃ with water-soluble quenching oil for the first time, heating the cutting die to 800 ℃, cooling to 300 ℃ with water-soluble quenching oil for the second time, and naturally cooling to room temperature;
heating the carving knife mold to 650 ℃, preserving heat for 10-min, cooling to 500 ℃ with water-soluble quenching oil for the first time, heating the knife mold to 650 ℃, cooling to 300 ℃ with water-soluble quenching oil for the second time, and naturally cooling to room temperature to obtain the high-hardness precision carving knife.
The dosage of the water-soluble quenching oil is adjusted, and the cooling speed of the water-soluble quenching oil is controlled to be 300 +/-20 ℃/min.
Example 5
A preparation method of a high-hardness precise engraving cutting die comprises the following steps:
(1) preparation of water-soluble quenching oil
Mixing diethanolamine, sodium benzoate, benzotriazole, phosphoryl carboxylic acid, hydroxyl ethylidene phosphoric acid, polyethylene glycol and a bactericide, stirring for 3min, heating to 50 ℃, adding polyether in batches for 5 times, keeping the temperature, stirring for 30min, and sieving with a 120-mesh sieve to obtain the water-soluble quenching oil.
In the raw materials for preparing the water-soluble quenching oil, the weight ratio of polyether, diethanol amine, sodium benzoate, benzotriazole, phosphoryl carboxylic acid, hydroxyl ethylene phosphoric acid, polyethylene glycol and bactericide is 40:10:5:2:0.1:2:0.1: 0.1.
(2) Heat treatment process of engraving cutter die after engraving process
Heating the carving cutting die to 850 ℃, preserving heat for 15min, cooling to 600 ℃ with water-soluble quenching oil for the first time, heating the cutting die to 750 ℃, cooling to 300 ℃ with water-soluble quenching oil for the second time, and naturally cooling to room temperature;
heating the carving knife mold to 650 ℃, preserving heat for 10-min, cooling the water-soluble quenching oil to 500 ℃ for the first time, heating the knife mold to 650 ℃, cooling the water-soluble quenching oil to 300 ℃ for the second time, and naturally cooling to room temperature to obtain the high-hardness precision carving knife.
The dosage of the water-soluble quenching oil is adjusted, and the cooling speed of the water-soluble quenching oil is controlled to be 400 +/-20 ℃/min.
Example 6
A preparation method of a high-hardness precise engraving cutting die comprises the following steps:
(1) preparation of water-soluble quenching oil
Mixing diethanolamine, sodium benzoate, benzotriazole, phosphoryl carboxylic acid, hydroxyl ethylidene phosphoric acid, polyethylene glycol and a bactericide, stirring for 3min, heating to 50 ℃, adding polyether in batches for 5 times, keeping the temperature, stirring for 30min, and sieving with a 120-mesh sieve to obtain the water-soluble quenching oil.
In the raw materials for preparing the water-soluble quenching oil, the weight ratio of polyether, diethanol amine, sodium benzoate, benzotriazole, phosphoryl carboxylic acid, hydroxyl ethylene phosphoric acid, polyethylene glycol and bactericide is 40:10:5:2:0.1:2:0.1: 0.1.
(2) Heat treatment process of engraving cutter die after engraving process
Heating the carving cutting die to 850 ℃, preserving heat for 15min, cooling to 600 ℃ with water-soluble quenching oil for the first time, heating the cutting die to 750 ℃, cooling to 300 ℃ with water-soluble quenching oil for the second time, and naturally cooling to room temperature;
heating the carving knife mold to 650 ℃, preserving heat for 10-min, cooling the water-soluble quenching oil to 500 ℃ for the first time, heating the knife mold to 650 ℃, cooling the water-soluble quenching oil to 300 ℃ for the second time, and naturally cooling to room temperature to obtain the high-hardness precision carving knife.
The dosage of the water-soluble quenching oil is adjusted, and the cooling speed of the water-soluble quenching oil is controlled to be 500 +/-20 ℃/min.
Comparative example 1
A preparation method of a high-hardness precise engraving cutting die comprises the following steps:
the difference from the example 1 is that the cooling speed of the water-soluble quenching oil is controlled to be 200 +/-20 ℃/min.
Comparative example 2
A preparation method of a high-hardness precise engraving cutting die comprises the following steps:
the difference from the example 1 is that in the raw materials for preparing the water-soluble quenching oil, the weight ratio of the polyether, the diethanolamine, the sodium benzoate, the benzotriazole, the phosphoryl carboxylic acid, the hydroxyethylidene phosphoric acid, the polyethylene glycol and the bactericide is 40:2:5:10:0.1:2:0.1: 0.1.
Examples of the experiments
1 hardness and toughness
The high hardness precision engraving dies of the examples and comparative examples were used to test the hardness and toughness according to the test method of CN107058868A, and the results are shown in table 1.
TABLE 1 Properties of high-hardness precision engraving dies
The same column of data, marked with different lower case letters, indicates that the difference is significant, P ═ 0.05
Research shows that after the water-soluble quenching oil is used for prolonging the cooling time, the quality stability of the batch cutting die products under the same condition is higher. The results show that the components of the water-soluble quenching oil can influence the hardness and the toughness of the obtained cutting die, and the cooling speed of the water-soluble quenching oil during cooling in heat treatment also obviously influences the hardness and the toughness of the obtained cutting die.
2 service life
The high-hardness precision engraving cutting die of the embodiment is used as shown in figure 1, the performance is good, and the result completely meets the technical standard of table 2.
TABLE 2 service life of carving knife die for different materials and thickness materials
While the preferred embodiments and examples of the present invention have been described in detail, the present invention is not limited to the embodiments and examples, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. The preparation method of the high-hardness precise engraving cutting die is characterized by comprising a heat treatment process after the engraving of the cutting die, wherein the heat treatment process comprises a heating-cooling stage, and the cooling stage adopts water-soluble quenching oil for cooling.
2. The method of claim 1, wherein the heat treatment process comprises two stages of heating-cooling, each stage comprising a heating-cooling-heating-cooling to room temperature stage.
3. The method of manufacturing according to claim 1 or 2, comprising the steps of:
s01, heating the carving knife mold to 850-;
s02, heating the carving knife mold to 650-;
the dosage of the water-soluble quenching oil is adjusted, and the cooling speed of the water-soluble quenching oil is controlled to be 300 +/-20 ℃/min to 500 +/-20 ℃/min.
4. The preparation method according to any one of claims 1 to 3, wherein the cooling rate of the water-soluble quenching oil is controlled to be 350 ± 20 ℃/min to 450 ± 20 ℃/min.
5. The preparation method according to any one of claims 1 to 4, wherein the water-soluble quenching oil comprises the following raw materials in parts by weight:
35-45 parts of polyether, 5-15 parts of diethanolamine, 3-8 parts of sodium benzoate, 0.5-5 parts of benzotriazole, 0.1-0.2 part of phosphoryl carboxylic acid, 1-4 parts of hydroxyl ethylidene phosphoric acid, 0.1-0.2 part of polyethylene glycol and 0.1-0.2 part of bactericide.
6. The preparation method according to any one of claims 1 to 5, wherein the water-soluble quenching oil comprises the following raw materials in parts by weight:
40 parts of polyether, 8-10 parts of diethanolamine, 5 parts of sodium benzoate, 1-2 parts of benzotriazole, 0.1 part of phosphoryl carboxylic acid, 2 parts of hydroxyl ethylene phosphoric acid, 0.1 part of polyethylene glycol and 0.1 part of bactericide.
7. The production method according to any one of claims 1 to 6, characterized in that the water-soluble quenching oil is produced by:
and (2) mixing diethanolamine, sodium benzoate, benzotriazole, phosphoryl carboxylic acid, hydroxyl ethylene phosphoric acid, polyethylene glycol and a bactericide, heating, adding polyether, mixing, and sieving to obtain the water-soluble quenching oil.
8. The production method according to any one of claims 1 to 7, wherein the temperature is raised to 50 to 60 ℃ in the production method of the water-soluble quenching oil.
9. The method according to any one of claims 1 to 8, wherein the polyether is added in batches of 4 to 6 times.
10. A high-hardness precision engraving cutting die obtained by the preparation method according to any one of claims 1 to 9.
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| USRE33445E (en) * | 1985-06-28 | 1990-11-20 | Union Carbide Chemicals And Plastics Company Inc. | Method of quenching |
| CN101660027A (en) * | 2008-08-29 | 2010-03-03 | 中国石油天然气股份有限公司 | Water-soluble polyether quenching medium |
| CN102643963A (en) * | 2012-05-09 | 2012-08-22 | 上海福岛化工科技发展有限公司 | Environmental protection water-solubility quenching liquid |
| CN106987769A (en) * | 2017-03-29 | 2017-07-28 | 苏州浩焱精密模具有限公司 | A kind of high rigidity fine etching cutting die |
| CN107058868A (en) * | 2017-03-29 | 2017-08-18 | 苏州浩焱精密模具有限公司 | A kind of accurate engraving knife die of high rigidity |
| CN109593930A (en) * | 2019-01-03 | 2019-04-09 | 马鞍山金泉工业介质科技有限公司 | A kind of novel quenching oil and its manufacturing method |
| CN109722511A (en) * | 2019-02-20 | 2019-05-07 | 张丹 | A kind of high-performance quenching oil |
| CN111910053A (en) * | 2020-07-01 | 2020-11-10 | 南京百泽机械有限公司 | Heat treatment process for cutting die assembly |
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2022
- 2022-03-11 CN CN202210235971.9A patent/CN114592108A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE33445E (en) * | 1985-06-28 | 1990-11-20 | Union Carbide Chemicals And Plastics Company Inc. | Method of quenching |
| CN101660027A (en) * | 2008-08-29 | 2010-03-03 | 中国石油天然气股份有限公司 | Water-soluble polyether quenching medium |
| CN102643963A (en) * | 2012-05-09 | 2012-08-22 | 上海福岛化工科技发展有限公司 | Environmental protection water-solubility quenching liquid |
| CN106987769A (en) * | 2017-03-29 | 2017-07-28 | 苏州浩焱精密模具有限公司 | A kind of high rigidity fine etching cutting die |
| CN107058868A (en) * | 2017-03-29 | 2017-08-18 | 苏州浩焱精密模具有限公司 | A kind of accurate engraving knife die of high rigidity |
| CN109593930A (en) * | 2019-01-03 | 2019-04-09 | 马鞍山金泉工业介质科技有限公司 | A kind of novel quenching oil and its manufacturing method |
| CN109722511A (en) * | 2019-02-20 | 2019-05-07 | 张丹 | A kind of high-performance quenching oil |
| CN111910053A (en) * | 2020-07-01 | 2020-11-10 | 南京百泽机械有限公司 | Heat treatment process for cutting die assembly |
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