CN114770040B - Preparation method of die for die casting - Google Patents
Preparation method of die for die casting Download PDFInfo
- Publication number
- CN114770040B CN114770040B CN202210396912.XA CN202210396912A CN114770040B CN 114770040 B CN114770040 B CN 114770040B CN 202210396912 A CN202210396912 A CN 202210396912A CN 114770040 B CN114770040 B CN 114770040B
- Authority
- CN
- China
- Prior art keywords
- die
- polishing
- blank
- casting
- sliding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004512 die casting Methods 0.000 title claims abstract description 104
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 238000005498 polishing Methods 0.000 claims abstract description 78
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 238000003754 machining Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000003801 milling Methods 0.000 claims description 6
- 239000002173 cutting fluid Substances 0.000 claims description 3
- 239000000839 emulsion Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims 1
- 230000000171 quenching effect Effects 0.000 claims 1
- 238000005266 casting Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- 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
-
- 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
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention provides a preparation method of a die for die casting, which comprises the following steps: machining the die body to obtain a first die-casting die blank, and performing heat treatment on the obtained first die-casting die blank to obtain a second die-casting die blank; processing the die cavity of the obtained second die-casting die blank to enable the roughness of the die cavity of the second die-casting die blank to be 8.5-9.5, and obtaining a third die-casting die blank; polishing the outer surface of the obtained third die casting die blank through a polishing machine, and polishing the outer surface of the polished third die casting die blank through the polishing machine to obtain the die casting die. The invention can carry out post-treatment on the die-casting die with different cavities so as to effectively treat the outer surface of the die-casting die while keeping the roughness of the die cavity of the die-casting die.
Description
Technical Field
The invention mainly relates to the technical field of die casting dies, in particular to a preparation method of a die for die casting.
Background
Die casting is an acronym for pressure casting. The method is a method for obtaining castings by filling liquid or semi-liquid metal into a die cavity of a die casting die at a high speed under the action of high pressure and rapidly solidifying under the pressure. The die casting mold used is called a die casting mold.
According to the method for manufacturing the die casting mold, the method for manufacturing the cover plate and the filter provided in the patent document with the application number of CN202010010927.9, the method for manufacturing the die casting mold comprises the step of processing the inner surface of the die casting mold by using a sun-drying process so that the roughness of the inner surface is more than or equal to 8.
The preparation method of the die-casting mold can improve the roughness of the inner surface of the die-casting mold so as to realize the die-casting molding of large ultrathin-wall cover plate castings, but the traditional preparation method of the die-casting mold is difficult to carry out effective and rapid post-treatment according to the shape of the die-casting mold, and the assistance of hardware such as a camera, a 3D scanner and the like is needed.
Disclosure of Invention
The invention mainly provides a preparation method of a die casting die, which is used for solving the technical problems in the background technology.
The technical scheme adopted for solving the technical problems is as follows:
the preparation method of the die for die casting comprises the following steps:
machining a die body to obtain a first die-casting die blank, and performing heat treatment on the obtained first die-casting die blank to obtain a second die-casting die blank;
step two, processing the die cavity of the second die-casting die blank obtained in the step one so that the roughness of the die cavity of the second die-casting die blank is 8.5-9.5, and obtaining a third die-casting die blank;
polishing the outer surface of the third die casting die blank obtained in the second step through a polishing machine, and polishing the outer surface of the polished third die casting die blank through the polishing machine to obtain the die casting die.
In the first step, a groove structure is processed on the die body through a vertical milling machine, the rotating speed of the vertical milling machine is 1000-1100r/min, and the cutting fluid is emulsion, so that a first die casting die blank is obtained.
Further, in the first step, the first die-casting die blank is quenched and tempered at 990-1100 ℃ to obtain a second die-casting die blank.
Further, in the third step, the polishing machine comprises a polishing box, a polishing mechanism arranged at the top end inside the polishing box, and a clamp arranged at the bottom end inside the polishing box;
the polishing mechanism comprises an oil cylinder arranged at the top end of the polishing box, a support frame arranged at one end of the inside of the polishing box, a plurality of first telescopic rods arranged on the support frame shell and distributed in an array, and a polishing head arranged at one end of the first telescopic rods, which is far away from the support frame, wherein the polishing head is connected with a power component.
Further, the first telescopic rod comprises a sliding cylinder penetrating through the support frame shell, a sliding rod connected with the sliding cylinder in a sliding mode, and a sliding ring arranged at one end of the sliding rod extending to the inside of the sliding cylinder, and a telescopic needle arranged in the sliding cylinder is arranged at the top end of the sliding ring.
Further, an air supply head is arranged at one end of the telescopic needle, a hollow push needle is connected in a sliding manner in the telescopic needle, a sliding locking head is inserted into one end of the hollow push needle extending to the inside of the telescopic needle, and a spring is sleeved on the outer surface of the sliding locking head.
Further, one end of the sliding rod, which is far away from the polishing head, penetrates through the sliding cylinder to be connected with a first gear.
Further, the power component comprises an air cylinder inserted in the support frame shell, a lifting frame connected with one end of the air cylinder, motors are arranged at four vertex angles of the upper surface of the lifting frame, second gears are arranged on the outer surfaces of output shafts of the motors and meshed with the first gears, and in the invention, the output shafts of the motors drive the second gears connected with the second gears to rotate, so that the first gears are driven to rotate.
Further, a displacement sensor is mounted at one end of the sliding rod extending to the outside through the sliding cylinder.
Further, in the third step, the polishing machine polishes the outer surface of the polished third die casting die blank to obtain the die casting die, and the step of obtaining the die casting die comprises the following steps:
the support frame is driven to descend through the oil cylinder until the polishing head is contacted with the polished third die casting die blank;
and driving a polishing head contacted with the outer surface of the blank of the third die casting die to polish through the power part, and stopping polishing through the polishing head contacted with the die cavity of the blank of the third die casting die.
Compared with the prior art, the invention has the beneficial effects that:
the invention can carry out post-treatment on the die-casting die with different cavities so as to maintain the roughness of the die cavities of the die-casting die, effectively treat the outer surface of the die-casting die and improve the product quality of the die-casting die, and specifically comprises the following steps: and driving a polishing head contacted with the outer surface of the blank of the third die casting die to polish through the power part, and stopping polishing through the polishing head contacted with the die cavity of the blank of the third die casting die.
The invention will be explained in detail below with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic view of a first telescopic rod according to the present invention;
FIG. 5 is an exploded view of a first telescoping rod of the present invention;
FIG. 6 is a schematic view of the structure of the telescoping needle of the present invention;
FIG. 7 is a schematic view of the power unit of the present invention;
fig. 8 is an internal schematic view of the polishing pad of the present invention.
In the figure: 10. polishing machine; 11. a polishing box; 12. a polishing mechanism; 121. an oil cylinder; 122. a support frame; 123. a first telescopic rod; 1231. a sliding cylinder; 1232. a slide bar; 1233. a slip ring; 1234. a telescoping needle; 1235. sliding the locking head; 1236. a spring; 1237. a gas supply head; 1238. hollow push pin; 124. a polishing head; 125. a power component; 1251. a cylinder; 1252. a lifting frame; 1253. a motor; 1254. a second gear; 126. a first gear; 13. and (3) clamping.
Detailed Description
In order that the invention may be more fully understood, a more particular description of the invention will be rendered by reference to the appended drawings, in which several embodiments of the invention are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the invention.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly connected to one of ordinary skill in the art to which this invention belongs, and the knowledge of terms used in the description of this invention herein for the purpose of describing particular embodiments is not intended to limit the invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-8, a method for preparing a die for die casting includes the following steps:
machining a die body to obtain a first die-casting die blank, and performing heat treatment on the obtained first die-casting die blank to obtain a second die-casting die blank;
step two, processing the die cavity of the second die-casting die blank obtained in the step one so that the roughness of the die cavity of the second die-casting die blank is 8.5-9.5, and obtaining a third die-casting die blank;
polishing the outer surface of the third die casting die blank obtained in the second step through a polishing machine, and polishing the outer surface of the polished third die casting die blank through a polishing machine 10 to obtain a die casting die;
in the embodiment, in the first step, a groove structure is processed on a die body by a vertical milling machine, the rotation speed of the vertical milling machine is 1000-1100r/min, and the cutting fluid is emulsion to obtain a first die-casting die blank;
further, in the first step, the first die-casting die blank is quenched and tempered at 990-1100 ℃ to obtain a second die-casting die blank.
Specifically, referring to fig. 4, 5 and 6, in the third step, the polishing machine 10 includes a polishing box 11, a polishing mechanism 12 disposed at the top end inside the polishing box 11, and a clamp 13 disposed at the bottom end inside the polishing box 11;
the polishing mechanism 12 comprises an oil cylinder 121 mounted at the top end of the polishing box 11, a supporting frame 122 mounted at one end of the oil cylinder 121 extending to the inside of the polishing box 11, a plurality of first telescopic rods 123 mounted on the shell of the supporting frame 122 and distributed in an array, and a polishing head 124 mounted at one end of the first telescopic rods 123 far away from the supporting frame 122, wherein the polishing head 124 is connected with a power component 125;
the first telescopic rod 123 comprises a sliding cylinder 1231 penetrating through the casing of the supporting frame 122, a sliding rod 1232 slidably connected with the sliding cylinder 1231, and a sliding ring 1233 installed on the sliding rod 1232 and extending to one end inside the sliding cylinder 1231, wherein the top end of the sliding ring 1233 is provided with a telescopic needle 1234 installed inside the sliding cylinder 1231;
in this embodiment, the sliding ring 1233 is pushed by the telescopic needles 1234, the sliding rod 1232 is pushed by the sliding ring 1233 to slide in the sliding cylinder 1231, and the plurality of telescopic needles 1234 are provided with coil springs to assist the telescopic needles 1234 to push the sliding ring 1233;
by sliding the sliding rod 1232 within the sliding cylinder 1231, a sufficient sliding space is provided for the sliding rod 1232 to lift and lower the polishing head 124 so that the polishing head 124 can be fitted on the surface of the die casting mold.
Specifically, referring to fig. 4, 5 and 6, an air supply head 1237 is installed at one end of the telescopic needle 1234, a hollow push needle 1238 is slidably connected inside the telescopic needle 1234, a sliding locking head 1235 is inserted into one end of the hollow push needle 1238 extending into the telescopic needle 1234, and a spring 1236 is sleeved on the outer surface of the sliding locking head 1235;
in this embodiment, the hollow push needle 1238 is pushed by the spring 1236, so that the hollow push needle 1238 extends out and pushes the sliding ring 1233, and the air supply head 1237 connected to the air source supplies air to the inside of the telescopic needle 1234, so as to push the sliding locking head 1235 to insert into the hollow push needle 1238, thereby locking the hollow push needle 1238, preventing the hollow push needle 1238 from moving, and improving the stability of the hollow push needle 1238 pushing the sliding ring 1233.
Specifically, referring to fig. 3, 7 and 8, an end of the sliding rod 1232 away from the polishing head 124 extends through the sliding cylinder 1231 to the outside and is connected with a first gear 126;
the power component 125 comprises a cylinder 1251 inserted in the housing of the support frame 122, a lifting frame 1252 connected with one end of the cylinder 1251, motors 1253 are installed at four vertex angles of the upper surface of the lifting frame 1252, a second gear 1254 is installed on the outer surface of an output shaft of the motor 1253, and the second gear 1254 is meshed with the first gear 126;
one end of the sliding rod 1232 extending to the outside through the sliding cylinder 1231 is provided with a displacement sensor;
in the third step, the polishing machine 10 polishes the outer surface of the polished third die casting mold blank to obtain a die casting mold, which comprises the following steps:
the supporting frame 122 is driven to descend through the oil cylinder 121 until the polishing head 124 contacts with the polished third die casting die blank;
the polishing head 124 contacted with the outer surface of the blank of the third die casting die is driven by the power part 125 to polish, and the polishing head 124 contacted with the die cavity of the blank of the third die casting die stops polishing;
it should be noted that, in the present embodiment, the lifting frame 1252 is driven by the air cylinder 1251 to lift, the lifting frame 1252 drives the motor 1253 to lift, when the motor 1253 drives the second gear 1254 thereon to be parallel to the first gear 126 on the sliding rod 1232, the output shaft of the motor 1253 drives the second gear 1254 connected thereto to rotate, so as to drive the first gear 126 to rotate, and as the adjacent first gears 126 in the same row are meshed with each other, the sliding rods 1232 on the first gears 126 are driven to move on the sliding ring 1233;
further, displacement data of the different sliding rods 1232 are monitored by a displacement sensor with the model BRW400-1000, and an electric signal with the displacement data is transmitted to a PLC controller connected with the displacement sensor.
The specific operation mode of the invention is as follows:
machining the die body to obtain a first die-casting die blank, and performing heat treatment on the obtained first die-casting die blank to obtain a second die-casting die blank;
processing the die cavity of the obtained second die-casting die blank to enable the roughness of the die cavity of the second die-casting die blank to be 8.5-9.5, and obtaining a third die-casting die blank;
polishing the outer surface of the third die casting die blank obtained in the second step through a polishing machine, and polishing the outer surface of the polished third die casting die blank through a polishing machine 10 to obtain the die casting die.
While the invention has been described above with reference to the accompanying drawings, it will be apparent that the invention is not limited to the embodiments described above, but is intended to be within the scope of the invention, as long as such insubstantial modifications are made by the method concepts and technical solutions of the invention, or the concepts and technical solutions of the invention are applied directly to other occasions without any modifications.
Claims (4)
1. The preparation method of the die for die casting is characterized by comprising the following steps of:
machining a die body to obtain a first die-casting die blank, and performing heat treatment on the obtained first die-casting die blank to obtain a second die-casting die blank;
step two, processing the die cavity of the second die-casting die blank obtained in the step one so that the roughness of the die cavity of the second die-casting die blank is 8.5-9.5, and obtaining a third die-casting die blank;
polishing the outer surface of the third die casting die blank obtained in the second step through a polishing machine, and polishing the outer surface of the polished third die casting die blank through a polishing machine (10) to obtain a die casting die;
in the third step, the polishing machine (10) comprises a polishing box (11), a polishing mechanism (12) arranged at the top end inside the polishing box (11), and a clamp (13) arranged at the bottom end inside the polishing box (11);
the polishing mechanism (12) comprises an oil cylinder (121) arranged at the top end of the polishing box (11), a supporting frame (122) arranged at one end of the oil cylinder (121) extending to the inside of the polishing box (11), a plurality of first telescopic rods (123) arranged on the shell of the supporting frame (122) and distributed in an array, and a polishing head (124) arranged at one end, far away from the supporting frame (122), of the first telescopic rods (123), wherein the polishing head (124) is connected with a power component (125);
the first telescopic rod (123) comprises a sliding cylinder (1231) penetrating through the shell of the supporting frame (122), a sliding rod (1232) connected with the sliding cylinder (1231) in a sliding manner, and a sliding ring (1233) arranged on the sliding rod (1232) and extending to one end inside the sliding cylinder (1231), and a telescopic needle (1234) arranged inside the sliding cylinder (1231) is arranged at the top end of the sliding ring (1233);
an air supply head (1237) is arranged at one end of the telescopic needle (1234), a hollow push needle (1238) is connected inside the telescopic needle (1234) in a sliding mode, a sliding locking head (1235) is inserted into one end, extending to the inside of the telescopic needle (1234), of the hollow push needle (1238), and a spring (1236) is sleeved on the outer surface of the sliding locking head (1235);
the power component (125) comprises an air cylinder (1251) which is inserted into the shell of the supporting frame (122), a lifting frame (1252) which is connected with one end of the air cylinder (1251), motors (1253) are arranged at four vertex angles of the upper surface of the lifting frame (1252), and a second gear (1254) is arranged on the outer surface of an output shaft of the motor (1253);
one end of the sliding rod (1232) far away from the polishing head (124) penetrates through the sliding cylinder (1231) to be connected with a first gear (126) outside, and the second gear (1254) is meshed with the first gear (126);
in the third step, the polishing machine (10) polishes the outer surface of the polished third die casting die blank to obtain a die casting die, and the method comprises the following steps:
the supporting frame (122) is driven to descend through the oil cylinder (121) until the polishing head (124) is contacted with the polished third die casting die blank;
and the polishing head (124) contacted with the outer surface of the blank of the third die casting die is driven by the power part (125) to polish, and the polishing head (124) contacted with the die cavity of the blank of the third die casting die stops polishing.
2. The method of manufacturing a die for die casting according to claim 1, wherein in the first step, a groove structure is machined on the die body by a vertical milling machine, the rotation speed of the vertical milling machine is 1000-1100r/min, and the cutting fluid is emulsion, so as to obtain a first die casting die blank.
3. The method of manufacturing a die for die casting according to claim 1, wherein in the first step, the first die casting die blank is quenched and tempered at a quenching temperature of 990-1100 ℃ to obtain a second die casting die blank.
4. The method of manufacturing a die casting mold according to claim 1, wherein a displacement sensor is mounted at an end of the slide rod (1232) extending to the outside through the slide cylinder (1231).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210396912.XA CN114770040B (en) | 2022-04-15 | 2022-04-15 | Preparation method of die for die casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210396912.XA CN114770040B (en) | 2022-04-15 | 2022-04-15 | Preparation method of die for die casting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114770040A CN114770040A (en) | 2022-07-22 |
| CN114770040B true CN114770040B (en) | 2024-03-22 |
Family
ID=82429360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210396912.XA Active CN114770040B (en) | 2022-04-15 | 2022-04-15 | Preparation method of die for die casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114770040B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007053746A1 (en) * | 2005-11-01 | 2007-05-10 | Discus Dental Impressions, Inc. | Endodontic instrument |
| CN105344965A (en) * | 2015-11-16 | 2016-02-24 | 连云港江南精工机械有限公司 | Preparation method of die-casting machine part |
| US9902108B1 (en) * | 2017-08-31 | 2018-02-27 | Capital One Services, Llc | Rapid prototyping method of producing tooling for an injection mold |
| CN110064901A (en) * | 2019-05-24 | 2019-07-30 | 新昌县新翔宇轴承有限公司 | A kind of bearing processing |
| CN210704098U (en) * | 2019-10-03 | 2020-06-09 | 安吉山业家居有限公司 | Burnishing device is used in mould production |
-
2022
- 2022-04-15 CN CN202210396912.XA patent/CN114770040B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007053746A1 (en) * | 2005-11-01 | 2007-05-10 | Discus Dental Impressions, Inc. | Endodontic instrument |
| CN105344965A (en) * | 2015-11-16 | 2016-02-24 | 连云港江南精工机械有限公司 | Preparation method of die-casting machine part |
| US9902108B1 (en) * | 2017-08-31 | 2018-02-27 | Capital One Services, Llc | Rapid prototyping method of producing tooling for an injection mold |
| CN110064901A (en) * | 2019-05-24 | 2019-07-30 | 新昌县新翔宇轴承有限公司 | A kind of bearing processing |
| CN210704098U (en) * | 2019-10-03 | 2020-06-09 | 安吉山业家居有限公司 | Burnishing device is used in mould production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114770040A (en) | 2022-07-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113005272B (en) | Heat treatment process for die | |
| CN114770040B (en) | Preparation method of die for die casting | |
| CN111649061B (en) | Bearing for servo motor and machining process thereof | |
| CN104162557A (en) | Metal tube drawing method | |
| CN212682715U (en) | Novel spark machine | |
| CN115157114A (en) | Rotating mechanism for casting grinding | |
| CN214135284U (en) | Valve block outer wall grinding device | |
| CN113771536A (en) | Rotary carving device for glass oil bottle and implementation method | |
| CN210080824U (en) | High-speed processing platform of dysmorphism keyway | |
| CN211683297U (en) | Core-pulling device of threaded mold | |
| CN112894553A (en) | Grinding device for plastic mold machining | |
| CN113600648A (en) | Sheet metal bending forming device and processing method thereof | |
| CN213765145U (en) | Vertical double-sided grinding machine | |
| CN212043001U (en) | Herringbone gear machining equipment without tool withdrawal groove | |
| CN115476254B (en) | Special high-precision surface treatment equipment for preparing high-performance die | |
| CN218137304U (en) | Surface treatment device for die manufacturing | |
| CN217702930U (en) | Rotating mechanism for casting grinding | |
| CN213380761U (en) | Grinding device is used in mould steel production | |
| CN219805383U (en) | Z-axis lifting transmission module | |
| CN218639341U (en) | Fluid polishing machine for surface of shaft rod | |
| CN218611598U (en) | Sand spraying device for precision casting shell manufacturing | |
| CN220112808U (en) | Positioning device for machining mechanical equipment | |
| CN212918757U (en) | Grinding device is used in mould production | |
| CN217255392U (en) | Plastic mold batch polishing device | |
| CN220971947U (en) | Inner and outer surface polishing device for high-precision aluminum shell machining |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |