CN112475488A - Thread machining device - Google Patents
Thread machining device Download PDFInfo
- Publication number
- CN112475488A CN112475488A CN202011308003.3A CN202011308003A CN112475488A CN 112475488 A CN112475488 A CN 112475488A CN 202011308003 A CN202011308003 A CN 202011308003A CN 112475488 A CN112475488 A CN 112475488A
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- Prior art keywords
- cavity
- cutter
- thread
- elastic
- groove
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G5/00—Thread-cutting tools; Die-heads
- B23G5/02—Thread-cutting tools; Die-heads without means for adjustment
- B23G5/06—Taps
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/66—Disintegrating fibre-containing textile articles to obtain fibres for re-use
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Abstract
The utility model relates to a thread machining device, including handle of a knife mechanism, first elasticity portion and cutter mechanism, first cavity and with the spout of first cavity intercommunication have been seted up to the first end of handle of a knife mechanism, the spout is followed the axis direction of handle of a knife mechanism extends, first elasticity portion set up in the first cavity, cutter mechanism includes connecting portion and cutter, the first end of connecting portion with the cutter can be dismantled continuously, the second end of connecting portion is provided with the fixture block, the second end of connecting portion stretch into to in the first cavity, and with first elasticity portion elastic contact, the fixture block with the spout is in the axis direction sliding fit of handle of a knife mechanism. The problem that present traditional boring and milling machine does not possess the thread machining function can be solved to this scheme.
Description
Technical Field
The invention relates to the technical field of cutters, in particular to a thread machining device.
Background
The feeding of a spindle box of a traditional boring and milling machine is rotationally driven by a lead screw, and when the lead screw rotates for a circle, the lead screw drives the spindle box to move for a distance of one lead screw pitch in the axis direction of the lead screw. In the above case, if the thread is machined on the boring and milling machine, since the pitch of the thread is different from that of the lead screw, when the lead screw rotates one turn, the tap actually moves in the axial direction of the lead screw by a distance of one lead screw pitch without feeding by a distance of one tap pitch, which easily causes thread machining damage to the random thread. Therefore, the tap is generally not rigidly attached to the spindle of the conventional milling machine, resulting in the conventional boring and milling machine not having a thread machining function.
Disclosure of Invention
Therefore, it is necessary to provide a thread machining device for solving the problem that the conventional boring and milling machine does not have a thread machining function.
In order to solve the problems, the invention adopts the following technical scheme:
the utility model provides a thread machining device, includes handle of a knife mechanism, first elasticity portion and cutter mechanism, first cavity and with the spout of first cavity intercommunication have been seted up to the first end of handle of a knife mechanism, the spout is followed the axis direction of handle of a knife mechanism extends, first elasticity portion set up in the first cavity, cutter mechanism includes connecting portion and cutter, the first end of connecting portion with the cutter can be dismantled continuously, the second end of connecting portion is provided with the fixture block, the second end of connecting portion stretch into to in the first cavity, and with first elasticity portion elastic contact, the fixture block with the spout is in the axis direction sliding fit of handle of a knife mechanism.
In one embodiment, the tool further comprises a cap, and the cap is detachably connected with the first end of the tool handle mechanism to seal the end part of the sliding groove.
In one embodiment, the cutter mechanism further comprises a jackscrew, a mounting hole is formed in the first end of the connecting portion, and the fixed end of the cutter extends into the mounting hole and is fixed in the mounting hole through the jackscrew.
In one embodiment, the cutter mechanism further comprises a transition sleeve, and the transition sleeve is arranged between the mounting hole and the fixed end of the cutter.
In one embodiment, a limiting groove is formed in the first cavity, one end of the first elastic part is arranged in the limiting groove, and the other end of the first elastic part is in elastic contact with the second end of the connecting part.
In one of the embodiments, the handle mechanism comprises a handle body, a thread clamping cap and a fixing portion, the handle body comprises a thread section, the first cavity is formed in the first end of the fixing portion, a first limiting protrusion is arranged at the second end of the fixing portion, the first end of the thread clamping cap is in threaded connection with the thread section, a second limiting protrusion is arranged at the second end of the thread clamping cap, the second end of the thread clamping cap is sleeved on the fixing portion, and the first limiting protrusion and the second limiting protrusion are in limiting fit with each other in the axis direction of the handle mechanism.
In one embodiment, the tool holder mechanism further comprises a top block and a second elastic part, a second cavity is formed in one end of the tool holder body, an opening of the second cavity faces the fixing part, and a sliding protrusion is arranged in the second cavity;
the second elastic part and the top block are sequentially distributed in the second cavity from inside to outside, a through groove is formed in the top block, the sliding protrusion is in sliding fit with the through groove in the axis direction of the knife handle mechanism, and the top block is detachably connected with the end part of the fixing part; the top block may be separated from an end of the fixing part in a state where the top block compresses the second elastic part.
In one embodiment, a first umbrella-shaped wave table is arranged on one side of the top block, a second umbrella-shaped wave table is arranged at the end of the fixing portion, and a boss of the first umbrella-shaped wave table can be in limit fit with a groove of the second umbrella-shaped wave table.
In one embodiment, the first elastic part is a coil spring.
In one embodiment, the first end of the handle mechanism is provided with two sliding grooves communicated with the first cavity, the two sliding grooves are distributed oppositely, the second end of the connecting portion is provided with two clamping blocks, and each clamping block is in sliding fit with the corresponding sliding groove in the axis direction of the handle mechanism.
The technical scheme adopted by the invention can achieve the following beneficial effects:
in the thread machining device disclosed by the embodiment of the invention, the first elastic part is additionally arranged in the tool holder mechanism, so that the tool mechanism arranged on the tool holder mechanism can elastically stretch and retract in the axial direction of the tool holder mechanism, and under the condition that the thread machining device is applied to the boring and milling machine, the tool mechanism can elastically stretch and retract in the axial direction of the lead screw, so that the tool mechanism can be prevented from being in rigid contact with a part to be machined, and even if the thread pitch of the thread is different from that of the lead screw, the thread machining process cannot be damaged by the mode, and the traditional boring and milling machine can have the thread machining function.
Drawings
Fig. 1 is a partial sectional view of a thread cutting device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a thread machining apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic view of a portion of the structure of FIG. 1;
FIG. 4 is a view A-A of FIG. 1;
FIG. 5 is a view B-B of FIG. 1;
fig. 6 is a view C-C of fig. 1.
Description of reference numerals:
100-a knife handle mechanism, 110-a first cavity, 111-a limiting groove, 120-a sliding groove, 130-a knife handle body, 131-a second cavity, 131 a-a sliding protrusion, 140-a threaded clamping cap, 141-a second limiting protrusion, 150-a fixing part, 151-a first limiting protrusion, 152-a second umbrella-shaped wave table, 160-a top block, 161-a through groove and 170-a second elastic part;
200-a first resilient portion;
300-cutter mechanism, 310-connecting part, 311-fixture block, 312-mounting hole, 320-cutter, 330-jackscrew and 340-transition sleeve;
400-cap.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "top," "bottom," "top," and the like are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 6, the embodiment of the present invention discloses a thread machining apparatus, which can be applied to a conventional boring and milling machine, so that the conventional boring and milling machine can perform a thread machining function.
The thread machining device disclosed by the embodiment of the invention specifically comprises a tool shank mechanism 100, a first elastic part 200 and a cutter mechanism 300, the tool shank mechanism 100 can facilitate the thread machining device to be installed at a specific installation position, specifically, a first cavity 110 and a sliding groove 120 communicated with the first cavity 110 are formed in the first end of the tool shank mechanism 100, the sliding groove 120 extends along the axial direction of the tool shank mechanism 100, the first cavity 110 can provide an installation position for other parts of the thread machining device, the first elastic part 200 is arranged in the first cavity 110, and the first elastic part 200 can elastically stretch and retract along the axial direction of the tool shank mechanism 100.
The cutter mechanism 300 includes a connecting portion 310 and a cutter 320, a first end of the connecting portion 310 is detachably connected to the cutter 320, and optionally, the first end of the connecting portion 310 may be detachably connected to the cutter 320 by snapping, screwing, or the like, so that the cutter 320 can be replaced. The second end of the connecting portion 310 is provided with a fixture block 311, in a specific assembling process, the second end of the connecting portion 310 extends into the first cavity 110 and is in elastic contact with the first elastic portion 200, and the fixture block 311 is in sliding fit with the sliding groove 120 in the axis direction of the handle mechanism 100, so that the connecting portion 310 can elastically stretch and retract in the axis direction of the handle mechanism 100 under the condition that the connecting portion 310 is prevented from rotating.
As can be seen from the above, in the thread machining apparatus disclosed in the embodiment of the present invention, the first elastic portion 200 is additionally disposed in the shank mechanism 100, so that the tool mechanism 300 mounted on the shank mechanism 100 can elastically extend and contract in the axial direction of the shank mechanism 100, in this case, when the thread machining apparatus is applied to a boring and milling machine, since the tool mechanism 300 can elastically extend and contract in the axial direction of the lead screw, the tool mechanism 300 can be prevented from being in rigid contact with a component to be machined, and even if the pitch of the thread is different from that of the lead screw, the thread machining apparatus does not damage the disordered teeth in the thread machining process, and thus the conventional boring and milling machine can have a thread machining function.
Further, the thread machining device disclosed in the embodiment of the present invention may further include a cap 400, and the cap 400 may be detachably connected to the first end of the handle mechanism 100 to close the end of the sliding groove 120. In this case, one end of the sliding groove 120 may have an opening, so that the connecting portion 310 can be detached, thereby facilitating the detachment and installation of the first elastic portion 200 and facilitating the replacement of the tool by the worker. Optionally, the first end of the handle mechanism 100 may be provided with threads, and the cap 400 may be screwed with the first end of the handle mechanism 100, so as to close the end of the sliding groove 120, and prevent the fixture block 311 from sliding out of the sliding groove 120. The detachable connection mode is more convenient and is convenient for the operation of workers. Of course, there are various ways to detachably connect the cap 400 to the first end of the handle mechanism 100, and the embodiment of the invention is not limited thereto.
In an optional embodiment of the present invention, the cutter mechanism 300 may further include a top thread 330, the first end of the connecting portion 310 may be provided with a mounting hole 312, the fixed end of the cutter 320 may extend into the mounting hole 312, and the fixed end of the cutter 320 may be fixed in the mounting hole 312 through the top thread 330. Specifically, referring to fig. 3, the connecting portion 310 may be provided with a threaded connection hole communicated with the mounting hole 312, the jackscrew 330 may be in threaded connection with the threaded connection hole, and one end of the jackscrew 330 may abut against a fixed end of the cutter 320, so as to fix the cutter 320, which not only enables the cutter 320 to be replaceable, but also improves the mounting stability of the cutter 320.
Furthermore, two opposite ends of the connecting portion 310 may be provided with two threaded connection holes communicated with the mounting hole 312, and each of the jackscrews 330 may be in threaded connection with the corresponding threaded connection hole, so that the two opposite jackscrews 330 may abut against the fixed end of the cutter 320, which not only can better improve the mounting stability of the cutter 320, but also can improve the mounting precision of the cutter 320.
In the disclosed embodiment of the present invention, the cutter mechanism 300 may further include a transition sleeve 340, and the transition sleeve 340 may be disposed between the mounting hole 312 and the fixed end of the cutter 320. In this case, the fitting of the fixed end of the cutter 320 with the transition sleeve 340 can improve the accuracy of mounting the cutter 320 in the mounting hole 312, and this also enables cutters 320 of different sizes to be mounted in the mounting hole 312, thereby improving the applicability.
In the embodiment of the present invention, in order to improve the installation effect of the first elastic portion 200 and enable the first elastic portion 200 to have a more stable elastic effect, the first cavity 110 may be provided with a limiting groove 111 therein, one end of the first elastic portion 200 may be disposed in the limiting groove 111, and the other end of the first elastic portion 200 may be in elastic contact with the second end of the connecting portion 310. In this case, the limiting groove 111 can play a role of clamping one end of the first elastic part 200, so that the elastic contact effect between the first elastic part 200 and the connecting part 310 is good.
In the embodiment of the present invention, the tool holder mechanism 100 may include a tool holder body 130, a threaded clamping cap 140 and a fixing portion 150, the tool holder body 130 may include a threaded section, a first cavity 110 may be formed at a first end of the fixing portion 150, a first limiting protrusion 151 may be disposed at a second end of the fixing portion 150, the first end of the threaded clamping cap 140 may be in threaded connection with the threaded section, a second limiting protrusion 141 may be disposed at a second end of the threaded clamping cap 140, the second end of the threaded clamping cap 140 may be sleeved on the fixing portion 150, and the first limiting protrusion 151 and the second limiting protrusion 141 may be in limiting fit in an axial direction of the tool holder mechanism 100. In this case, the tool holder mechanism 100 may be designed in a segmented manner, and during a specific machining process, the tool holder body 130 and the fixing portion 150 may be machined first, and then the components may be connected together by the threaded cap 140. The mode can be convenient for the machine-shaping of each part to the machine-shaping of screw thread processingequipment is convenient for.
Further, the tool holder mechanism 100 may further include a top block 160 and a second elastic portion 170, one end of the tool holder body 130 may be provided with a second cavity 131, and the second cavity 131 may provide a mounting position for the top block 160 and the second elastic portion 170.
Specifically, the opening of the second cavity 131 may face the fixing part 150, and a sliding protrusion 131a may be disposed in the second cavity 131; the second elastic part 170 and the top block 160 can be sequentially distributed in the second cavity 131 from inside to outside, a through groove 161 can be formed in the top block 160, the sliding protrusion 131a and the through groove 161 can be in sliding fit in the axial direction of the knife handle mechanism 100, and the top block 160 and the end part of the fixing part 150 can be detachably connected; in the case where the top block 160 compresses the second elastic part 170, the top block 160 may move in a direction away from the end of the fixing part 150 so that the top block 160 may be separated from the end of the fixing part 150.
Based on this, in a specific working process, when the rotation effect of the cutter mechanism 300 is poor due to reasons such as too large hardness of the processed component, the end of the fixing portion 150 pushes the top block 160 to move in a direction away from the cutter mechanism 300, so that the top block 160 is separated from the end of the fixing portion 150, and the cutter handle mechanism 100 cannot drive the cutter mechanism 300 to rotate, thereby preventing the cutter 320 from damaging the messy teeth in the rotating process.
In an alternative embodiment, a first umbrella-shaped wave table may be disposed on one side of the top block 160, and a second umbrella-shaped wave table 152 may be disposed at an end of the fixing portion 150, referring to fig. 4, outer surfaces of the first umbrella-shaped wave table and the second umbrella-shaped wave table are both composed of adjacent bosses and grooves, and in an application process, the bosses of the first umbrella-shaped wave table may be in limit fit with the grooves of the second umbrella-shaped wave table 152, so that the top block 160 and the end of the fixing portion 150 may be detachably connected. This way, the connection stability of the top block 160 and the fixing portion 150 can be improved, and further the knife handle mechanism 100 can better drive the cutter mechanism 300 to rotate.
In the disclosed embodiment of the invention, the first elastic part 200 may be a coil spring. Compare in other elastic component, coil spring's simple structure, it is convenient to make, uses the widest to can practice thrift the cost, moreover, coil spring's characteristic line is the straight line, and then can produce more stable elastic effect, in order to improve the processing effect of screw thread processingequipment to the screw thread. Similarly, the second elastic portion 170 may be a coil spring, and of course, the second elastic portion 170 may be another elastic member, which is not limited in the embodiment of the present invention.
In an alternative embodiment, the first end of the handle mechanism 100 may be provided with two sliding grooves 120 communicated with the first cavity 110, the two sliding grooves 120 may be distributed oppositely, the second end of the connecting portion 310 may be provided with two locking blocks 311, and each locking block 311 and the corresponding sliding groove 120 may be in sliding fit in the axial direction of the handle mechanism 100. In this case, the two latch blocks 311 are engaged with the two sliding grooves 120, so that the sliding effect of the cutter mechanism 300 is better, and the thread processing function of the thread processing device is better.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A thread processing device is characterized by comprising a cutter handle mechanism (100), a first elastic part (200) and a cutter mechanism (300), a first cavity (110) and a chute (120) communicated with the first cavity (110) are formed at the first end of the cutter handle mechanism (100), the sliding groove (120) extends along the axial direction of the tool holder mechanism (100), the first elastic part (200) is arranged in the first cavity (110), the cutter mechanism (300) comprises a connecting part (310) and a cutter (320), the first end of the connecting part (310) is detachably connected with the cutter (320), a fixture block (311) is arranged at the second end of the connecting part (310), the second end of the connecting part (310) extends into the first cavity (110), and the fixture block (311) is in elastic contact with the first elastic part (200) and is in sliding fit with the sliding groove (120) in the axial direction of the tool holder mechanism (100).
2. The thread forming apparatus according to claim 1, further comprising a cap (400), wherein the cap (400) is detachably connected to the first end of the shank mechanism (100) to close off an end of the slide groove (120).
3. The thread machining device according to claim 1, wherein the cutter mechanism (300) further includes a jackscrew (330), a mounting hole (312) is formed at a first end of the connecting portion (310), and a fixed end of the cutter (320) extends into the mounting hole (312) and is fixed in the mounting hole (312) by the jackscrew (330).
4. The thread machining device according to claim 3, wherein the cutter mechanism (300) further comprises a transition sleeve (340), the transition sleeve (340) being disposed between the mounting hole (312) and a fixed end of the cutter (320).
5. The thread machining device according to claim 1, wherein a limit groove (111) is formed in the first cavity (110), one end of the first elastic portion (200) is disposed in the limit groove (111), and the other end of the first elastic portion (200) is in elastic contact with the second end of the connecting portion (310).
6. The thread machining device according to claim 1, wherein the handle mechanism (100) comprises a handle body (130), a thread clamping cap (140) and a fixing portion (150), the handle body (130) comprises a thread section, the first cavity (110) is formed in the first end of the fixing portion (150), a first limiting protrusion (151) is arranged at the second end of the fixing portion (150), the first end of the thread clamping cap (140) is in threaded connection with the thread section, a second limiting protrusion (141) is arranged at the second end of the thread clamping cap (140), the second end of the thread clamping cap (140) is sleeved on the fixing portion (150), and the first limiting protrusion (151) and the second limiting protrusion (141) are in limiting fit in the axis direction of the handle mechanism (100).
7. The thread machining device according to claim 6, wherein the shank mechanism (100) further comprises a top block (160) and a second elastic part (170), a second cavity (131) is formed in one end of the shank body (130), an opening of the second cavity (131) faces the fixing part (150), and a sliding protrusion (131a) is arranged in the second cavity (131);
the second elastic part (170) and the top block (160) are sequentially distributed in the second cavity (131) from inside to outside, a through groove (161) is formed in the top block (160), the sliding protrusion (131a) is in sliding fit with the through groove (161) in the axis direction of the knife handle mechanism (100), and the top block (160) is detachably connected with the end part of the fixing part (150); the top block (160) may be separated from an end of the fixing part (150) in a case where the top block (160) compresses the second elastic part (170).
8. The thread machining device according to claim 7, wherein a first umbrella-shaped wave table is arranged on one side of the top block (160), a second umbrella-shaped wave table (152) is arranged on the end portion of the fixing portion (150), and a boss of the first umbrella-shaped wave table can be in limit fit with a groove of the second umbrella-shaped wave table (152).
9. A threading arrangement according to claim 1, characterized in that the first resilient part (200) is a helical spring.
10. The thread machining device according to claim 1, wherein two sliding grooves (120) communicated with the first cavity (110) are formed in a first end of the shank mechanism (100), the two sliding grooves (120) are distributed oppositely, two clamping blocks (311) are arranged at a second end of the connecting portion (310), and each clamping block (311) is in sliding fit with the corresponding sliding groove (120) in the axial direction of the shank mechanism (100).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011308003.3A CN112475488A (en) | 2020-11-23 | 2020-11-23 | Thread machining device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011308003.3A CN112475488A (en) | 2020-11-23 | 2020-11-23 | Thread machining device |
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CN112475488A true CN112475488A (en) | 2021-03-12 |
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CN202011308003.3A Pending CN112475488A (en) | 2020-11-23 | 2020-11-23 | Thread machining device |
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Cited By (1)
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CN113478028A (en) * | 2021-07-23 | 2021-10-08 | 圆兴(厦门)精密工具有限公司 | Screw tap structure capable of improving cooling uniformity of cooling liquid and using method thereof |
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CN211539655U (en) * | 2019-12-23 | 2020-09-22 | 南昌耐锐康精密机械有限公司 | Cutter handle with vibration reduction function |
Cited By (2)
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CN113478028A (en) * | 2021-07-23 | 2021-10-08 | 圆兴(厦门)精密工具有限公司 | Screw tap structure capable of improving cooling uniformity of cooling liquid and using method thereof |
CN113478028B (en) * | 2021-07-23 | 2022-06-17 | 圆兴(厦门)精密工具有限公司 | Screw tap structure capable of improving cooling uniformity of cooling liquid and using method thereof |
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