CN113174475A - Band saw blade heat treatment production line and process - Google Patents
Band saw blade heat treatment production line and process Download PDFInfo
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- CN113174475A CN113174475A CN202110418428.8A CN202110418428A CN113174475A CN 113174475 A CN113174475 A CN 113174475A CN 202110418428 A CN202110418428 A CN 202110418428A CN 113174475 A CN113174475 A CN 113174475A
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- heating
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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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/24—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for saw blades
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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
- C21D1/06—Surface hardening
- C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
- C21D1/10—Surface hardening by direct application of electrical or wave energy; by particle radiation by electric induction
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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
- C21D1/62—Quenching devices
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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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses a band saw blade heat treatment production line and a band saw blade heat treatment production process, which comprise a supporting base, wherein the upper end of the supporting base is welded with a hydraulic feeding frame, one side of the hydraulic feeding frame penetrates through an induction preheating box and is communicated with an inlet of the induction preheating box, the upper end of the induction preheating box is provided with a preheating box data display screen through welding, and an outlet of the induction preheating box is communicated with an inlet of a quenching box; through setting up the case that quenches, one-level heating cabinet and second grade heating cabinet, make the band saw blade convey the band saw blade to quenching the incasement through the conveyer belt and carry out thermal treatment when carrying out thermal treatment, and through the even heating pipe that is equipped with of quenching incasement wall, make the band saw blade carry out even heating through the heating pipe when heating, thereby reentrant one-level heating incasement carries out the heat treatment, reentrant second grade heating cabinet carries out the heat treatment after having heated, make the toughness and the intensity of band saw blade promote, make the band saw blade be difficult to appear cracked problem when using.
Description
Technical Field
The invention belongs to the technical field of band saw blade heat treatment, and particularly relates to a band saw blade heat treatment production line and a band saw blade heat treatment process.
Background
Heat treatment refers to a hot metal working process in which a material is heated, held and cooled in the solid state to achieve a desired texture and properties. In the process of moving from the times of stoneware to the times of cupreous and ironware, the effect of heat treatment is gradually recognized. As early as 770 b.c. to 222 a.c., chinese has found in production practice that the properties of steel vary due to the effects of temperature and pressure distortion. Softening treatment of white cast iron is an important process for manufacturing agricultural implements.
Generally be single heat treatment in the band saw blade heat treatment production process to toughness and intensity are not strong enough when leading to the band saw blade to use, and make the band saw blade produce cracked problem easily when using, have reduced the practicality of band saw blade, and then heat the control of temperature hardly to command to the band saw blade in the band saw blade heat treatment production process, the quality that leads to the band saw blade to produce when heat treatment hardly keeps unanimous, has influenced the precision of band saw blade production.
Disclosure of Invention
The invention aims to provide a band saw blade heat treatment production line and a process, which can repeatedly carry out heat treatment when carrying out heat treatment by arranging a quenching box, a primary heating box and a secondary heating box, further, the temperature in each box body is controlled to a certain point by arranging the temperature controller, so as to solve the problems that the prior band saw blade heat treatment production process proposed in the background art is generally single heat treatment, thereby causing the problems that the toughness and the strength of the band saw blade are not strong enough when in use, and the band saw blade is easy to break when in use, reducing the practicability of the band saw blade, and then the band saw blade is heated in the heat treatment production process of the band saw blade, so that the temperature is difficult to control, the quality of the produced band saw blade is difficult to keep consistent during the heat treatment, and the production precision of the band saw blade is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: the band saw blade heat treatment production line comprises a supporting base, wherein a hydraulic feeding frame is welded to the upper end of the supporting base, one side of the hydraulic feeding frame penetrates through an induction preheating box and is communicated with an inlet of the induction preheating box, a preheating box data display screen is welded to the upper end of the induction preheating box, and an outlet of the induction preheating box is communicated with an inlet of a quenching box;
the outlet of the quenching box is communicated with the inlet of the first-stage heating box, the upper end of the first-stage heating box is fixedly provided with a temperature detector, the outlet of the first-stage heating box is communicated with the inlet of the second-stage heating box, the outlet of the second-stage heating box is communicated with the inlet of the heat insulation box, the outlet of the heat insulation box is communicated with the inlet of the quick cooling box, the outlet of the quick cooling box is communicated with the inlet of the tempering box, the outlet of the tempering box is communicated with the inlet of the slow cooling box, the right side of the outlet of the slow cooling box is fixedly provided with a discharging frame, and the lower end of the discharging frame is fixedly provided with a supporting frame;
the quenching case is including quenching case maintenance door, handle, conveyer belt, heating pipe and alarm lamp, and the quenching case sets up with the conveyer belt activity, and the incasement wall that quenches all is equipped with the heating pipe, the quenching case is reported to the police through the alarm lamp suggestion, and the case maintenance door that quenches is opened through the handle and is maintained.
As a preferred embodiment, the secondary heating box and the heat preservation box are respectively and fixedly connected with a temperature controller through a connecting wire, the temperature controllers are respectively provided with a data panel, a plurality of radiating grids and a box door lock, the temperature controllers respectively control the temperature in the secondary heating box and the temperature preservation box to be adjusted through the connecting wires through the data panel, and the radiating grids penetrate through the temperature controllers to perform heat radiation treatment on the insides of the radiating grids.
As a preferred embodiment, the one end of hydraulic pressure feeding frame is equipped with the PLC control cabinet through the connecting wire, control screen and control key are installed respectively to the upper end of PLC control cabinet, the left end of PLC control cabinet is equipped with respectively and places cabinet and heating panel, one side activity of PLC control cabinet is provided with control cabinet maintenance door.
As a preferred embodiment, the induction preheating box, the quenching box, the primary heating box, the secondary heating box, the heat preservation box, the quick cooling box, the tempering box and the slow cooling box are sequentially arranged transversely at equal intervals, so that the band saw blade is quickly conveyed into each box body for processing.
In a preferred embodiment, the upper ends of the primary heating box, the secondary heating box, the heat preservation box, the quick cooling box, the tempering box and the slow cooling box are all provided with temperature detectors, and the temperature detectors are all arranged in a penetrating way, so that the temperature in each box body is kept at a specified point through the temperature detectors.
In a preferred embodiment, heating pipes are uniformly arranged inside the quenching box, and the band saw blade is rapidly and uniformly heated by the heating pipes.
As a preferred embodiment, the heat treatment process comprises the steps of:
s1: feeding, namely firstly, placing a band saw blade on a hydraulic feeding frame, starting a PLC (programmable logic controller) console, and starting the hydraulic feeding frame through a control key to enable the band saw blade to enter an induction preheating box;
s2: preheating, namely preheating the band saw blade by an induction preheating box, so that the preheating data of the band saw blade is observed by a data display screen of the preheating box arranged at the upper end of the induction preheating box;
s3: quenching and heating, namely conveying the band saw blade into a quenching box through a conveying belt, uniformly heating the band saw blade through heating pipes uniformly arranged in the quenching box, so that the band saw blade enters a first-stage heating box for reheating, and then enters a second-stage heating box for repeated heating, so that the band saw blade reaches a specified quality, and the temperature in the box is controlled through a data panel at the upper end of a temperature controller;
s4: tempering, the ejection of compact, the band saw blade keeps warm in getting into the insulation can after having heated to entering into fast cold box and carrying out cooling treatment, entering into the tempering incasement after the cooling and carrying out tempering treatment, the tempering is accomplished the back and is got into the slow cooling incasement and carry out cooling treatment, then through ejection of compact frame and slow cooling case right-hand member fixed connection setting, makes the ejection of compact frame convey the ejection of compact with the band saw blade.
Compared with the prior art, the invention has the beneficial effects that:
according to the band saw blade heat treatment production line and the band saw blade heat treatment process, the quenching box, the primary heating box and the secondary heating box are arranged, so that the band saw blade is conveyed into the quenching box for heat treatment through the conveyor belt during heat treatment, the heating pipes are uniformly arranged on the inner wall of the quenching box, the band saw blade is uniformly heated through the heating pipes during heating, then the band saw blade enters the primary heating box for heat treatment, and then enters the secondary heating box for heat treatment after being heated, so that the toughness and strength of the band saw blade are improved, and the band saw blade is not easy to break when being used;
this band saw blade heat treatment production line and technology are through setting up temperature controller, and temperature controller is equipped with thermodetector through the upper end of each box and comes to carry out the data that convey to the temperature in each box, makes data display on the data panel on temperature controller to make personnel keep the temperature in each box to appointed point through temperature controller, thereby make the band saw blade quality of producing all unanimous, the effectual production precision and the quality that has promoted the band saw blade.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a quenching box according to the invention;
FIG. 3 is a schematic structural diagram of a temperature controller according to the present invention;
FIG. 4 is a schematic structural diagram of a PLC console of the present invention;
FIG. 5 is an overall process flow diagram of the present invention.
In the figure: 1. a support base; 2. a hydraulic feeding frame; 3. an induction preheating box; 4. a quenching box; 401. a quenching box maintenance door; 402. a handle; 403. a conveyor belt; 404. heating a tube; 405. an alarm lamp; 5. a first-stage heating box; 501. a temperature detector; 6. a secondary heating box; 7. a heat preservation box; 8. a quick cooling box; 9. a tempering tank; 10. a temperature controller; 1011. a data panel; 1012. a heat dissipation grid; 1013. a box door lock; 11. a PLC console; 1101. a control screen; 1102. a control key; 1103. a placing cabinet; 1104. a heat dissipation plate; 1105. a console maintenance bin gate; 12. a preheating box data display screen; 13. a discharging frame; 14. a support frame; 15. a slow cooling box.
Detailed Description
The present invention will be further described with reference to the following examples.
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. The conditions in the embodiments can be further adjusted according to specific conditions, and simple modifications of the method of the present invention based on the concept of the present invention are within the scope of the claimed invention.
Referring to fig. 1-5, the invention provides a band saw blade heat treatment production line, which comprises a supporting base 1, wherein a hydraulic feeding frame 2 is welded at the upper end of the supporting base 1, one side of the hydraulic feeding frame 2 penetrates through an induction preheating box 3 to be communicated with an inlet of the induction preheating box 3, a preheating box data display screen 12 is welded at the upper end of the induction preheating box 3, and an outlet of the induction preheating box 3 is communicated with an inlet of a quenching box 4;
an outlet of the quenching box 4 is communicated with an inlet of the first-stage heating box 5, a temperature detector 501 is fixedly mounted at the upper end of the first-stage heating box 5, an outlet of the first-stage heating box 5 is communicated with an inlet of the second-stage heating box 6, an outlet of the second-stage heating box 6 is communicated with an inlet of the heat insulation box 7, an outlet of the heat insulation box 7 is communicated with an inlet of the quick cooling box 8, an outlet of the quick cooling box 8 is communicated with an inlet of the tempering box 9, an outlet of the tempering box 9 is communicated with an inlet of the slow cooling box 15, a discharge frame 13 is fixedly mounted on the right side of an outlet of the slow cooling box 15, and a support frame 14 is fixedly mounted at the lower end of the discharge frame 13;
the quenching box 4 comprises a quenching box maintenance door 401, a handle 402, a conveyor belt 403, a heating pipe 404 and an alarm lamp 405, the quenching box 4 and the conveyor belt 403 are movably arranged, the heating pipe 404 is arranged on the inner wall of the quenching box 4, the quenching box 4 gives an alarm through the alarm lamp 405, and the quenching box maintenance door 401 is opened through the handle 402 for maintenance.
One end of the secondary heating box 6 and one end of the heat insulation box 7 are respectively fixedly connected with a temperature controller 10 through connecting wires, the temperature controller 10 is respectively provided with a data panel 1011, a plurality of heat dissipation grids 1012 and a box door lock 1013, the temperature controller 10 controls the temperature in the secondary heating box 6 and the temperature insulation box 7 through the connecting wires through the data panel 1011 to be adjusted, and the heat dissipation grids 1012 penetrate through the temperature controller 10 to carry out heat dissipation treatment on the interior of the secondary heating box 6 and the heat insulation box 7.
One end of the hydraulic feeding frame 2 is provided with a PLC console 11 through a connecting wire, a control screen 1101 and a control key 1102 are respectively installed at the upper end of the PLC console 11, a placing cabinet 1103 and a heating panel 1104 are respectively arranged at the left end of the PLC console 11, and a console maintenance door 1105 is movably arranged at one side of the PLC console 11.
The induction preheating box 3, the quenching box 4, the primary heating box 5, the secondary heating box 6, the heat insulation box 7, the quick cooling box 8, the tempering box 9 and the slow cooling box 15 are sequentially arranged in a transverse and equidistant mode, and band saw blades are rapidly transmitted into the boxes to be processed.
The upper ends of the first-stage heating box 5, the second-stage heating box 6, the heat insulation box 7, the quick cooling box 8, the tempering box 9 and the slow cooling box 15 are all provided with temperature detectors 501, the temperature detectors 501 are all arranged in a penetrating mode, and the temperature in each box body is kept at a specified point through the temperature detectors 501.
The band saw blade heat treatment process comprises the following steps:
s1: feeding, namely firstly, placing a band saw blade on a hydraulic feeding frame 1, starting a PLC (programmable logic controller) console 11, and starting the hydraulic feeding frame 1 through a control key 1102 to enable the band saw blade to enter an induction preheating box 3;
s2: preheating, namely preheating the band saw blade through an induction preheating box 3, and observing the preheating data of the band saw blade through a preheating box data display screen 12 arranged at the upper end of the induction preheating box 3;
s3: quenching and heating, namely, conveying the band saw blade into a quenching box 4 through a conveying belt 403, uniformly heating the band saw blade through heating pipes 404 uniformly arranged in the quenching box 4, so that the band saw blade enters a first-stage heating box 5 for reheating, and then enters a second-stage heating box 6 for repeated heating, so that the band saw blade reaches a specified quality, and the temperature in the box is controlled through a data panel 1011 at the upper end of a temperature controller 10;
s4: tempering, the ejection of compact, the band saw blade keeps warm in getting into insulation can 7 after having heated to cooling treatment is carried out in entering into fast cooling box 8, and the back of cooling is accomplished and is entered into tempering box 9 and carry out tempering treatment, and the back of tempering is accomplished and is entered into in the slow cooling box 15 and carry out cooling treatment, then sets up through ejection of compact frame 13 and 15 right-hand members fixed connection of slow cooling box, makes ejection of compact frame 13 convey the ejection of compact with the band saw blade.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The band saw blade heat treatment production line is characterized in that: the quenching device comprises a supporting base (1), wherein a hydraulic feeding frame (2) is welded at the upper end of the supporting base (1), one side of the hydraulic feeding frame (2) penetrates through an induction preheating box (3) to be communicated with an inlet of the induction preheating box (3), a preheating box data display screen (12) is arranged at the upper end of the induction preheating box (3) through welding, and an outlet of the induction preheating box (3) is communicated with an inlet of a quenching box (4);
an outlet of the quenching box (4) is communicated with an inlet of a first-stage heating box (5), a temperature detector (501) is fixedly mounted at the upper end of the first-stage heating box (5), an outlet of the first-stage heating box (5) is communicated with an inlet of a second-stage heating box (6), an outlet of the second-stage heating box (6) is communicated with an inlet of the heat preservation box (7), an outlet of the heat preservation box (7) is communicated with an inlet of the quick cooling box (8), an outlet of the quick cooling box (8) is communicated with an inlet of the tempering box (9), an outlet of the tempering box (9) is communicated with an inlet of the slow cooling box (15), a discharge frame (13) is fixedly mounted on the right side of an outlet of the slow cooling box (15), and a support frame (14) is fixedly mounted at the lower end of the discharge frame (13);
quenching case (4) are including quenching case maintenance door (401), handle (402), conveyer belt (403), heating pipe (404) and alarm lamp (405), and quenching case (4) and conveyer belt (403) activity set up, and quenching case (4) inner wall all is equipped with heating pipe (404), quenching case (4) are reported to the police through alarm lamp (405) the suggestion, will quench case maintenance door (401) and open through handle (402) and maintain.
2. The band saw blade heat treatment of claim 1, wherein: the temperature control device is characterized in that one end of the secondary heating box (6) and one end of the heat insulation box (7) are respectively and fixedly connected with a temperature controller (10) through connecting wires, the temperature controller (10) is respectively provided with a data panel (1011), a heat dissipation grating (1012) and a box door lock (1013), the temperature controller (10) is enabled to respectively control the temperature in the secondary heating box (6) and the temperature insulation box (7) through the connecting wires through the data panel (1011) to be adjusted, the heat dissipation grating (1012) is provided with a plurality of temperature control devices, and the heat dissipation grating (1012) penetrates through the temperature controller (10) to perform heat dissipation treatment on the interior of the temperature control devices.
3. The heat treatment line for band saw blades according to claim 1, wherein: one end of the hydraulic feeding frame (2) is provided with a PLC (programmable logic controller) console (11) through a connecting wire, a control screen (1101) and a control key (1102) are respectively installed at the upper end of the PLC console (11), a placing cabinet (1103) and a heat dissipation plate (1104) are respectively arranged at the left end of the PLC console (11), and a console maintenance bin door (1105) is movably arranged at one side of the PLC console (11).
4. The heat treatment line for band saw blades according to claim 1, wherein: the induction preheating box (3), the quenching box (4), the primary heating box (5), the secondary heating box (6), the heat preservation box (7), the quick cooling box (8), the tempering box (9) and the slow cooling box (15) are sequentially arranged at a transverse equal distance, so that the band saw blades are rapidly transmitted into each box body for processing.
5. The heat treatment line for band saw blades according to claim 4, wherein: the temperature detectors (501) are arranged at the upper ends of the first-stage heating box (5), the second-stage heating box (6), the heat preservation box (7), the quick cooling box (8), the tempering box (9) and the slow cooling box (15) and are all arranged in a penetrating mode, and the temperatures in the boxes are kept at the designated points through the temperature detectors (501).
6. The heat treatment line for band saw blades according to claim 1, wherein: heating pipes (404) are uniformly arranged on the inner side of the quenching box (4), and the band saw blade is rapidly and uniformly heated through the heating pipes (404).
7. A band saw blade heat treatment process according to any one of claims 1 to 6, characterized by comprising the following steps:
s1: feeding, namely firstly, placing a band saw blade on a hydraulic feeding frame (2), starting a PLC (programmable logic controller) console (11), and starting the hydraulic feeding frame (2) through a control key (1102) to enable the band saw blade to enter an induction preheating box (3);
s2: preheating, namely preheating the band saw blade through an induction preheating box (3), so that the preheating data of the band saw blade is observed through a preheating box data display screen (12) arranged at the upper end of the induction preheating box (3);
s3: quenching and heating, namely conveying the band saw blade into a quenching box (4) through a conveying belt (403), uniformly heating the band saw blade through heating pipes (404) uniformly arranged in the quenching box (4), so that the band saw blade enters a first-stage heating box (5) for reheating, and then enters a second-stage heating box (6) for repeated heating, so that the band saw blade reaches a specified quality, and the temperature in the box is controlled through a data panel (1011) at the upper end of a temperature controller (10);
s4: tempering, the ejection of compact, the band saw blade keeps warm in getting into insulation can (7) after having heated to cooling treatment is carried out in entering into fast cooling box (8), tempering treatment is carried out in entering into tempering box (9) after having cooled off, cooling treatment is carried out in getting into slow cooling box (15) again after having tempered, then sets up through ejection of compact frame (13) and slow cooling box (15) right-hand member fixed connection, makes ejection of compact frame (13) convey the ejection of compact with the band saw blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110418428.8A CN113174475A (en) | 2021-04-19 | 2021-04-19 | Band saw blade heat treatment production line and process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110418428.8A CN113174475A (en) | 2021-04-19 | 2021-04-19 | Band saw blade heat treatment production line and process |
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| CN113174475A true CN113174475A (en) | 2021-07-27 |
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| CN202110418428.8A Pending CN113174475A (en) | 2021-04-19 | 2021-04-19 | Band saw blade heat treatment production line and process |
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| CN114473051A (en) * | 2022-02-24 | 2022-05-13 | 江苏美特森切削工具有限公司 | Cutting saw blade with temperature control function and manufacturing method and device |
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|---|---|---|---|---|
| CN114473051A (en) * | 2022-02-24 | 2022-05-13 | 江苏美特森切削工具有限公司 | Cutting saw blade with temperature control function and manufacturing method and device |
| CN114473051B (en) * | 2022-02-24 | 2023-08-15 | 江苏美特森切削工具有限公司 | Manufacturing method and device of cutting saw blade with temperature control function |
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Application publication date: 20210727 |