CN217913056U - Staggered-blade forming composite milling cutter - Google Patents
Staggered-blade forming composite milling cutter Download PDFInfo
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- CN217913056U CN217913056U CN202221574237.7U CN202221574237U CN217913056U CN 217913056 U CN217913056 U CN 217913056U CN 202221574237 U CN202221574237 U CN 202221574237U CN 217913056 U CN217913056 U CN 217913056U
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- 238000003801 milling Methods 0.000 title claims abstract description 98
- 239000002131 composite material Substances 0.000 title claims description 28
- 150000001875 compounds Chemical class 0.000 claims abstract description 47
- 238000000227 grinding Methods 0.000 claims abstract description 22
- 238000003754 machining Methods 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 abstract description 30
- 238000002360 preparation method Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 8
- 229910001651 emery Inorganic materials 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
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Abstract
The utility model discloses a compound milling cutter of wrong sword shaping, include stalk portion and the sword portion that sets up along compound milling cutter length direction, be formed with several pairs of cutter body and several in the week of sword portion along compound milling cutter length direction in the sword portion and the chip groove that the cutter body part corresponds is every right the cutter body all is provided with the shaping tooth that corresponds, the shaping tooth has the margin towards processing direction of rotation, and is every right the shaping tooth is located compound milling cutter's same circumference position and in order to form respective grinding station, each is followed compound milling cutter length direction to the shaping tooth follows the front end of sword portion is arranged to the rear end interval. Through carrying out the innovative design to the cutter body in the milling cutter, grinding time accelerates and the preparation degree becomes easy, and a plurality of interior catching grooves one shot forming simultaneously for whole shaping course of working is more stable, quick, and the beat of feeding can be faster, also can reduce the tool magazine position.
Description
Technical Field
The utility model belongs to the technical field of the machining cutter, in particular to compound milling cutter of wrong sword shaping.
Background
A milling cutter is a rotating tool with one or more cutter teeth for milling. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine.
When a workpiece 3 similar to that shown in fig. 1 is machined, three inner catching grooves and a chamfer need to be machined and formed, the traditional machining mode is that a plurality of T-shaped milling cutters 4 are used for separately milling the grooves and then chamfering is carried out by a chamfer cutter 5, the machining schematic diagram is shown in fig. 2, and the inventor finds that the traditional mode has at least the following defects: 1. the processing beat is slow, and the tool needs to be changed for many times; 2. the tool changing time and the cost of the tool are increased, and the forming processing of the workpiece can be finished by a plurality of tools; 3. a plurality of tool magazine positions are occupied, a plurality of T-shaped milling cutters and a plurality of chamfering cutters occupy 4 tool magazine positions when the T-shaped milling cutters and the chamfering cutters are used for machining the workpiece shown in the figure 1.
Therefore, how to solve the problems of slow processing rhythm, high tool cost and the like existing in the processing of workpieces with a plurality of inner catching grooves in the prior art becomes the subject to be researched and solved by the utility model.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a compound milling cutter of wrong sword shaping.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a staggered-edge forming composite milling cutter comprises a handle part and a cutter part which are arranged along the length direction of the composite milling cutter;
the handle part is a part used for being clamped by the composite milling cutter;
the cutter part is used for machining a part in the machining rotating direction, and the rear end of the cutter part is connected with the handle part; the innovation points are as follows:
a plurality of pairs of cutter bodies and a plurality of chip grooves corresponding to the cutter bodies are formed on the cutter part in the circumferential direction of the cutter part along the length direction of the composite milling cutter, each pair of cutter bodies is provided with corresponding forming teeth, and each forming tooth is provided with a cutting edge facing to the machining rotating direction;
the compound milling cutter is configured to: each pair of the forming teeth are located on the same circumferential position of the composite milling cutter to form respective grinding stations, and the forming teeth are arranged at intervals from the front end to the rear end of the cutter part along the length direction of the composite milling cutter.
The related content of the utility model is explained as follows:
1. the utility model discloses in, carry out innovative design through the cutter body to in the milling cutter, to waiting to process a plurality of interior catching grooves on the product and disassemble milling cutter's working position for a plurality of grinding stations, every right the shaping tooth lies in compound milling cutter's same circumference position and goes up in order to form respective grinding station, and is each the shaping tooth follows compound milling cutter length direction the front end of sword portion is arranged to the rear end interval, and the walking path of emery wheel when grinding cutter is disassembled into the triplex by the shaping part, no longer considers emery wheel angle and interferes the problem to the grinding time accelerates. The manufacturing cost is reduced from two aspects of accelerating the grinding time and changing the manufacturing degree, and the plurality of inner buckling grooves are formed at one time, so that the whole forming and processing process is more stable and quick, the feeding beat can be faster, and the position of a tool magazine can also be reduced.
2. The utility model discloses in, the margin on cutter body, chip groove and the shaping tooth all sets up towards processing direction of rotation one side spiral.
3. The utility model discloses in, the rear end of cutter body is equipped with the ladder chamfer portion that is used for processing the chamfer, and this axle ladder chamfer portion is outwards extended and is formed towards the rear end slope, ladder chamfer portion has the chamfer sword towards processing direction of rotation, has also compounded the chamfer in product drill way to this compound milling cutter on, further practice thrift man-hour, reduce tool magazine position of processing.
4. In the utility model, the rear end of the stepped chamfer part is inclined backwards and forms a first stepped axial relief angle with the milling cutter in the radial direction; the rear end of chamfer sword inclines backward and radially is formed with second step axial relief angle with milling cutter, the rear end of chamfer sword has a step back angle width, and the chamfer process is more stable, accurate.
5. The utility model discloses in, the chip groove is the helicla flute, and towards processing direction of rotation one side spiral setting, the chip groove has the helix angle, combines this compound milling cutter's other positions, and the chip removal is more smooth and easy, do not have and is detained.
6. The utility model discloses in, the quantity of cutter body is 3 pairs, this 3 to cutter body is arranged around the inequality of milling cutter central axis, it has 3 pairs of shaping teeth to arrange respectively on each cutter body with the mode of wrong sword to correspond, 3 pairs of shaping teeth from the front end of sword portion to the rear end are first shaping tooth, second shaping tooth and third shaping tooth respectively, the sword belt on the first shaping tooth of simultaneous definition, second shaping tooth and the third shaping tooth is first sword belt respectively, second sword belt and third sword belt, can customize the processing to the product that has three interior catching groove, unique wrong sword inequality design has brought into play the shock resistance of cutter extremely well, the feeding beat can be faster.
7. The utility model discloses in, first shaping tooth has the flute anterior angle, first land is provided with first week sword relief angle, second week sword relief angle, first week sword width and finished product back of the body width, sets up rationally, and the preparation is convenient, processing is also convenient, and the effect is better.
8. The utility model discloses in, the second shaping tooth is provided with first shaping axle relief angle, second shaping axle relief angle and shaping relief angle width, sets up rationally, and the preparation is convenient, processing is also convenient, and the effect is better.
9. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
10. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.
Because of the application of above-mentioned scheme, compared with the prior art, the utility model has following advantage and effect:
1. through the utility model discloses technical scheme's implementation, through carrying out the innovative design to the cutter body in the milling cutter, disassemble milling cutter's work position for a plurality of grinding stations to waiting to process a plurality of interior catching grooves on the product, each it follows along compound milling cutter length direction to become the tooth the front end to the rear end interval of sword portion are arranged, and the walking path of emery wheel when grinding cutter is disassembled by the shaping part and is the triplex, no longer considers the emery wheel angle and interferes the problem to grinding time accelerates. The manufacturing cost is reduced from two aspects of accelerating grinding time and changing the manufacturing degree.
2. Through the utility model discloses technical scheme's implementation, it is every right the shaping tooth is located compound milling cutter's same circumference position in order to form respective grinding station, a plurality of interior catching grooves one shot forming for whole shaping course of working is steady more, quick, and it can be faster to feed the beat, and the processing beat promotes doubly, also can reduce tool magazine position.
Drawings
FIG. 1 is a schematic view of one of the structures of a workpiece to be machined;
FIG. 2 is a schematic illustration of the use of multiple knives to machine the workpiece of FIG. 1;
fig. 3 is a schematic perspective view of a staggered-blade formed composite milling cutter according to an embodiment of the present invention;
fig. 4 is a schematic plan view of a staggered-blade formed composite milling cutter according to an embodiment of the present invention;
fig. 5 is a schematic end view of the front end of a staggered-blade formed composite milling cutter according to an embodiment of the present invention;
fig. 6 is a schematic view of the machining and forming of the forming teeth on the 3 pairs of cutter bodies in the staggered-blade forming composite milling cutter according to the embodiment of the present invention;
fig. 7 is a schematic view of the staggered-blade forming composite milling cutter according to the embodiment of the present invention for processing the workpiece shown in fig. 1;
figure 8 is the embodiment of the utility model provides a schematic diagram that wrong sword shaping composite milling cutter clamped the lathe and carried out processing to the work piece.
In the drawings above:
100. handle part
200. Knife part
210. Knife body
220. Forming gear
221. First forming tooth
2211. Groove front angle
222. Second formed tooth
2221. First forming shaft relief angle
2222. Second formed shaft relief angle
2223. Width of forming relief angle
223. Third forming tooth
230. Edge zone
231. First margin
2311. First peripheral edge relief angle
2322. Second peripheral edge relief angle
2323. Width of first peripheral edge
2324. Back width of finished product
232. Second margin
233. Third margin
240. Stepped chamfer
2401. First step axial relief angle
241. Chamfering edge
2411. Second stepped axial relief angle
2412. Step relief angle width
250. Chip groove
2501. Helix angle
3. Workpiece
4T type milling cutter
5. And (7) chamfering tools.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiment in many different forms than those described herein and those skilled in the art will be able to make similar modifications without departing from the spirit of the application and therefore the application is not limited to the specific embodiments disclosed below.
As shown in the attached drawings 3 to 8, the technical scheme adopted by the utility model is as follows: a composite milling cutter with staggered edges comprises a handle part 100 and a cutter part 200 which are arranged along the length direction of the composite milling cutter; the handle 100 is a part for clamping the composite milling cutter; the cutter portion 200 is a portion for processing a part in a processing rotation direction, and a rear end of the cutter portion 200 is connected to the shank portion 100; a plurality of pairs of cutter bodies 210 and a plurality of chip grooves 250 corresponding to the cutter bodies 210 are formed on the cutter part 200 along the length direction of the composite milling cutter in the circumferential direction of the cutter part 200, each pair of cutter bodies 210 is provided with a corresponding forming tooth 220, and each forming tooth 220 is provided with a blade 230 facing the machining rotating direction;
the compound mill is configured to: each pair of the formed teeth 220 is located at the same circumferential position of the compound milling cutter to form respective grinding stations, and each pair of the formed teeth 220 is arranged at intervals along the length direction of the compound milling cutter from the front end to the rear end of the cutter portion 200.
Through the utility model discloses the implementation of above-mentioned embodiment, through carrying out the innovative design to cutter body 210 in the milling cutter, disassemble milling cutter's work position for a plurality of grinding stations to a plurality of interior catching grooves on waiting to process the product, every profile machining region that becomes the profile machining area who forms tooth 220 and sees figure 4 in this compound milling cutter is every it is every to become tooth 220 and lie in compound milling cutter's same circumference position in order to form respective grinding station, every it follows along compound milling cutter length direction to become tooth 220 the front end to the rear end interval arrange, when making this compound milling cutter, as shown in figure 6, the walking path of emery wheel when grinding cutter is disassembled into the triplex by shaping part, no longer considers the emery wheel angle problem of interfering to the grinding time accelerates. The manufacturing cost is reduced from two aspects of accelerating grinding time and changing manufacturing degree, as shown in attached figures 7 and 8, a plurality of inner buckling grooves are formed at one time, so that the whole forming and processing process is more stable and faster, the feeding beat can be faster, and the position of a tool magazine can also be reduced.
The solution of the present invention will be described in detail with reference to different embodiments.
Example one
Embodiment one provides a first type of throw-away profiled compound milling cutter, comprising a shank 100 and a cutting portion 200 arranged along the length of the compound milling cutter; the handle 100 is a part for clamping the composite milling cutter; the cutter portion 200 is a portion for processing a part in a processing rotation direction, and a rear end of the cutter portion 200 is connected to the shank portion 100; a plurality of pairs of cutter bodies 210 and a plurality of chip grooves 250 corresponding to the cutter bodies 210 are formed on the cutter part 200 along the length direction of the composite milling cutter in the circumferential direction of the cutter part 200, each pair of cutter bodies 210 is provided with a corresponding forming tooth 220, and each forming tooth 220 is provided with a blade 230 facing the machining rotating direction; the compound mill is configured to: each pair of the forming teeth 220 is located at the same circumferential position of the compound milling cutter to form respective grinding stations, each pair of the forming teeth 220 is arranged at intervals along the length direction of the compound milling cutter from the front end to the rear end of the cutter portion 200, and the rear end of the cutter body 210 is provided with a stepped chamfer portion 240 for machining chamfer, which is formed by extending obliquely outward toward the rear end, the stepped chamfer portion 240 having a chamfer edge 241 facing the machining rotation direction.
In the first embodiment, the chamfer of the product hole is also combined with the composite milling cutter, so that the processing time is further saved, the tool magazine position is reduced, and the chamfer processing of the hole of the inner hole is completed while the processing of each inner catching groove of the product is completed.
In the first embodiment, the rear end of the stepped chamfer 240 is inclined backward and forms a first stepped axial relief angle 2401 with the radial direction of the milling cutter; the rear end of the chamfer edge 241 inclines backwards, a second stepped axial rear angle 2411 is formed in the radial direction of the chamfer edge 241 and the milling cutter, and the rear end of the chamfer edge 241 is provided with a stepped rear angle width 2412, so that the chamfering process is more stable and accurate.
In the first embodiment, the cutter body 210, the chip grooves 250, and the lands 230 on the formed teeth 220 are all spirally provided toward one side in the machining rotation direction. More specifically, chip groove 250 is the helicla flute, and towards processing direction of rotation one side spiral setting, chip groove 250 has a helix angle 2501, combines this compound milling cutter's other positions, and the chip removal is more smooth and easy, do not remain.
Example two
Second embodiment provides a second type of compound milling cutter with staggered edges, which comprises a shank 100 and a cutter part 200 arranged along the length direction of the compound milling cutter; the handle 100 is a part for clamping the composite milling cutter; the cutter portion 200 is a portion for processing a part in a processing rotation direction, and a rear end of the cutter portion 200 is connected to the shank portion 100; 3 pairs of cutter bodies 210 and a plurality of chip grooves 250 corresponding to the cutter bodies 210 are formed on the cutter part 200 in the circumferential direction of the cutter part 200 along the length direction of the composite milling cutter, each pair of cutter bodies 210 is provided with a corresponding forming tooth 220, and the forming tooth 220 is provided with a blade 230 facing the machining rotation direction;
the compound milling cutter is configured to: each pair of the formed teeth 220 is located at the same circumferential position of the compound milling cutter to form respective grinding stations, and each pair of the formed teeth 220 is arranged at intervals along the length direction of the compound milling cutter from the front end to the rear end of the cutter portion 200.
In the second embodiment, the number of the cutter bodies 210 is 3, the 3 cutter bodies 210 are arranged around the central axis of the milling cutter in unequal intervals, that is, at least one of the 3 pairs is not symmetrically arranged with respect to the other cutter bodies 210, 3 corresponding pairs of the forming teeth 220 are respectively arranged on each pair of cutter bodies 210 in a staggered edge manner, the 3 pairs of the forming teeth 220 from the front end to the rear end of the cutter portion 200 are respectively defined as the first forming tooth 221, the second forming tooth 222 and the third forming tooth 223, and the lands 230 on the first forming tooth 221, the second forming tooth 222 and the third forming tooth 223 are respectively defined as the first land 231, the second land 232 and the third land 233, so that the customized machining can be performed on a product having three inner grooves, and the unique unequal staggered edge design can extremely exert the shock resistance of the cutter, and the feeding beat can be faster.
In the second embodiment, the first forming tooth 221 has the groove rake angle 2211, and the first land 231 is provided with the first peripheral edge relief angle 2311, the second peripheral edge relief angle 2322, the first peripheral edge width 2323 and the finished product back width 2324, so that the arrangement is reasonable, the manufacturing is convenient, the processing is also convenient, and the effect is better.
In the second embodiment, the second forming tooth 222 is provided with the first forming shaft rear angle 2221, the second forming shaft rear angle 2222 and the forming rear angle width 2223, and the second forming tooth is reasonable in arrangement, convenient to manufacture and process, and better in effect.
EXAMPLE III
Embodiment two provides a third type of staggered-edge-formed compound milling cutter, which comprises a shank part 100 and a cutter part 200 arranged along the length direction of the compound milling cutter; the handle 100 is a part for being clamped by the compound milling cutter; the cutter portion 200 is a portion for processing a part in a processing rotation direction, and a rear end of the cutter portion 200 is connected to the shank portion 100; 3 pairs of cutter bodies 210 and a plurality of chip discharge grooves 250 corresponding to the cutter bodies 210 are formed on the cutter part 200 along the length direction of the composite milling cutter in the circumferential direction of the cutter part 200, each pair of cutter bodies 210 is provided with corresponding forming teeth 220, and each forming tooth 220 is provided with a blade 230 facing the machining rotating direction;
the compound milling cutter is configured to: the corresponding 3 pairs of forming teeth 220 are arranged on each pair of cutter bodies 210 in a staggered edge manner, each pair of forming teeth 220 is arranged at intervals from the front end to the rear end of the cutter portion 200 along the length direction of the compound milling cutter, and the rear end of the cutter body 210 is provided with a stepped chamfer portion 240 for machining chamfer, which is formed by extending obliquely outward toward the rear end, the stepped chamfer portion 240 having a chamfer edge 241 facing the machining rotation direction.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (8)
1. A staggered-edge forming composite milling cutter comprises a handle part (100) and a cutter part (200) which are arranged along the length direction of the composite milling cutter;
the handle (100) is a part used for being clamped by the composite milling cutter;
the cutter part (200) is used for machining a part in the machining rotating direction, and the rear end of the cutter part (200) is connected with the handle part (100); the method is characterized in that:
a plurality of pairs of cutter bodies (210) and a plurality of chip grooves (250) corresponding to the cutter bodies (210) are formed on the cutter part (200) in the circumferential direction of the cutter part (200) along the length direction of the composite milling cutter, each pair of cutter bodies (210) is correspondingly provided with a forming tooth (220), and the forming tooth (220) is provided with a blade zone (230) facing to the machining rotating direction;
the compound milling cutter is configured to: each pair of the forming teeth (220) are located at the same circumferential position of the compound milling cutter to form respective grinding stations, and each pair of the forming teeth (220) are arranged at intervals from the front end to the rear end of the cutter portion (200) along the length direction of the compound milling cutter.
2. The compound milling cutter with staggered edges according to claim 1, wherein: the cutter body (210), the chip grooves (250) and the cutting edges (230) on the forming teeth (220) are spirally arranged towards one side of the processing rotating direction.
3. The compound milling cutter with staggered edges according to claim 1, wherein: the rear end of the cutter body (210) is provided with a step chamfer part (240) for processing chamfer, the shaft step chamfer part is formed by inclining towards the rear end and extending outwards, and the step chamfer part (240) is provided with a chamfer blade (241) facing towards the processing rotation direction.
4. The compound milling cutter with staggered edges according to claim 3, wherein: the rear end of the step chamfer part (240) is inclined backwards and forms a first step axial rear angle (2401) with the radial direction of the milling cutter; the rear end of the chamfer cutting edge (241) inclines backwards and forms a second stepped axial rear angle (2411) with the radial direction of the milling cutter, and the rear end of the chamfer cutting edge (241) has a stepped rear angle width (2412).
5. The compound milling cutter with staggered edges according to claim 1, wherein: the chip groove (250) is a spiral groove and is spirally arranged towards one side of the processing rotation direction, and the chip groove (250) is provided with a spiral angle (2501).
6. The compound milling cutter with staggered edges according to any one of claims 1 to 5, wherein: the number of the cutter bodies (210) is 3, the 3 cutter bodies (210) are distributed around the central axis of the milling cutter in unequal intervals, 3 corresponding pairs of forming teeth (220) are respectively distributed on each pair of cutter bodies (210) in a staggered edge mode, the 3 pairs of forming teeth (220) from the front end to the rear end of the cutter part (200) are respectively defined as a first forming tooth (221), a second forming tooth (222) and a third forming tooth (223), and meanwhile, the lands (230) on the first forming tooth (221), the second forming tooth (222) and the third forming tooth (223) are respectively defined as a first land (231), a second land (232) and a third land (233).
7. The compound milling cutter with staggered edges according to claim 6, wherein: the first forming tooth (221) has a flute rake angle (2211), and the first blade band (231) is provided with a first peripheral edge relief angle (2311), a second peripheral edge relief angle (2322), a first peripheral edge width (2323) and a finished product back width (2324).
8. The compound milling cutter with staggered edges according to claim 6, wherein: the second forming tooth (222) is provided with a first forming shaft relief angle (2221), a second forming shaft relief angle (2222), and a forming relief angle width (2223).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202221574237.7U CN217913056U (en) | 2022-06-22 | 2022-06-22 | Staggered-blade forming composite milling cutter |
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Application Number | Priority Date | Filing Date | Title |
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CN202221574237.7U CN217913056U (en) | 2022-06-22 | 2022-06-22 | Staggered-blade forming composite milling cutter |
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CN217913056U true CN217913056U (en) | 2022-11-29 |
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CN202221574237.7U Active CN217913056U (en) | 2022-06-22 | 2022-06-22 | Staggered-blade forming composite milling cutter |
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CN (1) | CN217913056U (en) |
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2022
- 2022-06-22 CN CN202221574237.7U patent/CN217913056U/en active Active
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Address after: 215000 136 aigehao Road, Weitang Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: D & M SUZHOU PREC CUTTING TOOLS Co.,Ltd. Country or region after: China Address before: 215000 136 aigehao Road, Weitang Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: D&M (SUZHOU) PRECISION CUTTING TOOLS CO.,LTD. Country or region before: China |
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