CN114378379A - Novel drill bit for high-precision internal thread and using method thereof - Google Patents
Novel drill bit for high-precision internal thread and using method thereof Download PDFInfo
- Publication number
- CN114378379A CN114378379A CN202210079474.4A CN202210079474A CN114378379A CN 114378379 A CN114378379 A CN 114378379A CN 202210079474 A CN202210079474 A CN 202210079474A CN 114378379 A CN114378379 A CN 114378379A
- Authority
- CN
- China
- Prior art keywords
- rod
- cutting edge
- drill bit
- plate
- shell
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000005520 cutting process Methods 0.000 claims abstract description 47
- 238000003801 milling Methods 0.000 claims abstract description 43
- 238000009434 installation Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
Images
Classifications
-
- 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
- B23G5/18—Milling cutters
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention discloses a novel drill bit for high-precision internal threads and a using method thereof, wherein the novel drill bit comprises a supporting rod inserted at a machine tool control end, and a cutter for forming the high-precision internal threads is arranged on one side of the supporting rod, which is far away from the machine tool control end; the cutter is including seting up the lateral wall cutting edge that machine tool control end one side was kept away from to the bracing piece, has seted up a plurality of side milling blade around lateral wall cutting edge a week equidistance interval, lateral wall cutting edge is kept away from bracing piece one side and is provided with end milling cutter, a plurality of end milling blade have been seted up on the end milling cutter surface. The combined end face milling cutter is innovatively combined with the side wall cutting edge, cutting power is formed by radial rotation of a novel milling cutter, meanwhile, a machine tool controls radial feeding and radial track movement, radial feeding utilizes the end face milling cutting edge to realize processing of a workpiece surface hole, the side wall single milling cutting edge is optimally increased to be more than 2 edges, and milling resistance of each single edge is reduced; the two types of combination realize one-time processing completion of the threads, and the efficiency is improved by more than one time.
Description
Technical Field
The invention belongs to the technical field of internal thread machining, and particularly relates to a novel drill bit for high-precision internal threads and a using method thereof.
Background
The internal thread is not exposed, typically on the side of the rotary fastener being rotated. The bottom of the internal thread tooth-shaped groove can be in an arc shape, if the shape of the bottom of the internal thread tooth-shaped groove is not specified, the internal thread tooth-shaped groove can be flattened or rounded during turning, and a screw tap is adopted for extrusion cutting or a single-edge milling cutter is adopted for cutting during thread processing, so that the required thread is achieved.
The existing screw tap is used for extrusion cutting, the size and the precision of a cut thread are obtained by manufacturing the screw tap, and meanwhile, the size and the precision of the cut thread are influenced by the material properties of a processed workpiece, so that high precision is difficult to obtain.
Disclosure of Invention
The invention aims to provide a novel drill bit for high-precision internal threads and a using method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a novel drill bit for high-precision internal threads comprises a supporting rod inserted in a machine tool control end, wherein a cutter for forming the high-precision internal threads is arranged on one side of the supporting rod, which is far away from the machine tool control end;
the cutter is including seting up the lateral wall cutting edge that machine tool control end one side was kept away from to the bracing piece, has seted up a plurality of side milling blade around lateral wall cutting edge a week equidistance interval, lateral wall cutting edge is kept away from bracing piece one side and is provided with end milling cutter, a plurality of end milling blade have been seted up on the end milling cutter surface.
Preferably, the supporting rod is provided with a mounting assembly which is close to the machine tool control end and increases the stability of the cutter when the cutter is provided with the internal thread, the mounting assembly comprises a threaded plate sleeved on the supporting rod, and the surface of the supporting rod is provided with threads matched with the threads on the threaded plate.
Preferably, a shell is arranged at one end, far away from the supporting rod, of the threaded plate, and a cavity for the supporting rod to be inserted is formed in the middle of the shell.
Preferably, a groove is formed in the shell, a second supporting plate is arranged in the groove, a limiting block is connected to the outer side of the second supporting plate, and the limiting block is T-shaped.
Preferably, a first supporting plate parallel to the second supporting plate is further arranged in the groove, and a driving assembly is arranged on one side, close to the second supporting plate, of the first supporting plate.
Preferably, the drive assembly is including setting up in two riser blocks in the first backup pad outside, two the riser block is the symmetry setting, two install the slide bar between the riser block, the cover is equipped with reset spring on the slide bar, reset spring one end is connected with the riser block, and reset spring keeps away from riser block one end and is connected with the slider.
Preferably, be provided with the connecting rod on the slider, the connecting rod is kept away from slider one end and is connected with the stopper, first backup pad, second backup pad and drive assembly all set up to two, and use the cavity to be the mirror image setting as the center. Preferably, the shell outside is provided with two fixed plates that are symmetrical, the fixed plate is the L type, two the fixed plate outside all pegs graft and is had spacing bolt, and spacing bolt extends to in the shell.
Preferably, the two ends of the inner wall of the cavity are provided with insertion ports matched with the limiting blocks, the limiting rod is inserted outside the shell, and the end, far away from the shell, of the limiting rod is provided with a threaded knob.
A method for using a novel drill bit for high-precision internal threads comprises the following steps,
step A, inserting one end of a supporting rod, far away from a cutter, into a cavity, and installing the supporting rod on a machine control end when the supporting rod penetrates through the cavity and extends to the outside of a shell;
step B, after the supporting rod is positioned at one side of the machine control end and fixed, the thread plate is rotated, the thread plate moves towards one side close to the machine control end, and the thread plate can drive the driving plate to move towards the right side and press and hold the limiting block;
step C, as the limiting block moves towards the direction of the supporting rod, the limiting block can drive the sliding block to slide on the sliding rod along the length direction of the sliding rod through the connecting rod, so that the sliding block can extrude the return spring;
d, when the right side wall of the driving plate moves to be in contact with a limiting block, the limiting block is clamped into the inserting port and abutted against the supporting rod, then a limiting bolt is screwed to penetrate through the fixing plate and extend into the shell, then the threaded knob is rotated to drive the limiting rod to rotate, and the limiting rod also extends into the shell and is abutted against the supporting rod;
and E, finally combining the end face milling cutter with the side wall cutting edge to enable the side wall cutting edge to rotate radially to form cutting power, controlling radial feeding and radial track motion by the machine tool, and realizing the processing of the surface hole of the workpiece by using the end face milling cutting edge through the radial feeding.
The invention has the technical effects and advantages that: the novel drill bit for the high-precision internal thread and the use method thereof are characterized in that a combined end face milling cutter is innovatively combined with a side wall cutting edge, cutting power is formed by radial rotation of the novel milling cutter, a machine tool controls radial feeding and radial track movement, the radial feeding utilizes the end face milling cutting edge to realize processing of a workpiece surface hole, the side wall single milling cutting edge is optimally increased to be more than 2 edges, and the milling resistance of each single edge is reduced; the two types of combination realize one-time processing completion of threads, the efficiency is improved by more than one time, the deviation of secondary clamping positioning can be completely avoided to be 0 by one-time clamping and processing forming of large holes and milling threads, the radial and axial movement tracks are adjusted by utilizing the program of a machine tool, the basic conditions of implementation adjustment and program realization of high-precision processing of abrasion and deviation of the cutter are realized, the side faces of multiple cutting edges are milled, the load of a single cutter is improved, the abrasion can be reduced, and the precision is improved at the same time.
Drawings
FIG. 1 is a schematic overall structure of the present invention;
FIG. 2 is a cross-sectional view of the housing of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 2 at A according to the present invention;
FIG. 4 is a schematic view of the axial feed of the tool of the present invention;
fig. 5 is a schematic view of the radial trajectory of the tool of the present invention.
In the figure: 1. a support bar; 2. milling a cutting edge on the side surface; 3. end face milling cutting edges; 4. mounting the component; 401. a housing; 402. a fixing plate; 403. a limit bolt; 404. a threaded knob; 405. a limiting rod; 406. a cavity; 407. a first support plate; 408. a second support plate; 409. a drive plate; 410. a limiting block; 411. a groove; 412. an interface; 413. a thread plate; 5. a drive assembly; 501. a vertical block; 502. a slide bar; 503. a connecting rod; 504. a slider; 505. a return spring.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
In order to realize the one-time processing of the internal thread and improve the processing efficiency, the cutter comprises a support rod 1 inserted in a machine tool control end, a cutter for forming the high-precision internal thread is arranged on one side of the support rod 1 away from the machine tool control end, the cutter comprises a side wall cutting edge arranged on one side of the support rod 1 away from the machine tool control end, a plurality of side milling cutting edges 2 are arranged around the side wall cutting edge at equal intervals, an end milling cutter is arranged on one side of the side wall cutting edge away from the support rod 1, a plurality of end milling cutting edges 3 are arranged on the surface of the end milling cutter, the combined side milling cutting edge and the end milling cutting edges are innovatively combined, the novel milling cutter rotates radially to form cutting power, the machine tool controls radial feeding and radial track motion, and the radial feeding utilizes the end milling cutting edges to realize the processing of a workpiece surface hole, specifically, can increase the side milling cutting edge more than 2 sword, reduce the milling resistance of every single-edged, through the disposable processing completion that combines realization screw thread with side milling cutting edge and terminal surface milling cutting edge, efficiency improves more than the one time.
In order to fix the support rod 1 and achieve the purpose of facilitating installation, referring to fig. 1, 2 and 3, the support rod 1 is provided with an installation component 4 near the control end of the machine tool for increasing the stability of the cutter when the cutter is provided with internal threads, the installation component 4 includes a thread plate 413 sleeved on the support rod 1, the surface of the support rod 1 is provided with threads adapted to the threads on the thread plate 413, one end of the thread plate 413 away from the support rod 1 is provided with a housing 401, the middle part in the housing 401 is provided with a cavity 406 for inserting the support rod 1, the housing 401 is internally provided with a groove 411, the groove 411 is provided with a second support plate 408, the outer side of the second support plate 408 is connected with a limit block 410, the limit block 410 is T-shaped, the groove 411 is further provided with a first support plate 407 parallel to the second support plate 408, one side of the first support plate 407 near the second support plate 408 is provided with a driving component 5, the driving assembly 5 comprises two vertical blocks 501 arranged outside a first supporting plate 407, the two vertical blocks 501 are symmetrically arranged, a sliding rod 502 is arranged between the two vertical blocks 501, a return spring 505 is sleeved on the sliding rod 502, one end of the return spring 505 is connected with the vertical blocks 501, one end of the return spring 505, which is far away from the vertical blocks 501, is connected with a sliding block 504, a connecting rod 503 is arranged on the sliding block 504, one end of the connecting rod 503, which is far away from the sliding block 504, is connected with a limiting block 410, the first supporting plate 407, the second supporting plate 408 and the driving assembly 5 are arranged in two numbers and are arranged in a mirror image mode by taking a cavity 406 as a center, two symmetrical fixing plates 402 are arranged outside the shell 401, the fixing plates 402 are L-shaped, limiting bolts 403 are inserted on the outer sides of the two fixing plates 402, the limiting bolts 403 extend into the shell 401, insertion ports 412 matched with the limiting block 410 are arranged on the two ends of the inner wall of the cavity 406, the outer side of the shell 401 is inserted with a limiting rod 405, one end of the limiting rod 405, which is far away from the shell 401, is provided with a thread knob 404, the thread plate 413 is rotated to move the thread plate 413 to the right side, the thread plate 413 can drive the driving plate 409 to move to the right side and press and hold the limiting block 410, the limiting block 410 can move towards the supporting rod 1, the limiting block 410 can drive the sliding rod 502 of the sliding block 504 to slide through the connecting rod 503, the sliding block 504 can extrude the reset spring 505, when the right side wall of the driving plate 409 moves to be in contact with the limiting block 410, the limiting block 410 can be clamped into the insertion opening 412, so that the supporting rod 1 is fixed, the purpose of convenient installation is achieved, then the L-shaped fixing plate 402 and the thread plate 413 are fixed through the limiting bolt 403, the purpose of convenient fixing is achieved, the anti-slip effect can be effectively improved, when the supporting rod works, the aim of shock absorption can be achieved through the matching of the sliding rod 502 and the return spring 505.
A method for using a novel drill bit for high-precision internal threads comprises the following steps,
step A, firstly, inserting one end of a support rod 1, which is far away from a cutter, into a cavity 406, and installing the support rod 1 on a machine control end after penetrating through the cavity 406 and extending to the outside of a shell 401;
step B, after the support rod is fixed on one side of the machine control end, the thread plate 413 is rotated, the thread plate 413 is moved to one side close to the machine control end, and the thread plate 413 can drive the drive plate 409 to move to the right side and press and hold the limiting block 410;
step C, along with the movement of the limiting block 410 towards the direction of the supporting rod 1, the limiting block 410 can drive the sliding block 504 to slide on the sliding rod 502 along the length direction of the sliding rod 502 through the connecting rod 503, so that the sliding block 504 extrudes the return spring 505;
step D, when the right side wall of the driving plate 409 moves to be in contact with the limiting block 410, the limiting block 410 is clamped into the plug-in port 412 and abuts against the supporting rod 1, then the limiting bolt 403 is screwed to penetrate through the fixing plate 402 and extend into the shell 401, then the threaded knob 404 is rotated to drive the limiting rod 405 to rotate, and the limiting rod 405 also extends into the shell 401 and abuts against the supporting rod 1;
and E, finally combining the end face milling cutter with the side wall cutting edge to enable the side wall cutting edge to rotate radially to form cutting power, controlling radial feeding and radial track motion by the machine tool, and realizing the processing of the surface hole of the workpiece by using the end face milling cutting edge through the radial feeding.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a high accuracy is novel drill bit for internal thread which characterized in that: the tool comprises a supporting rod (1) inserted at the control end of a machine tool, wherein a tool for forming high-precision internal threads is arranged on one side of the supporting rod (1) far away from the control end of the machine tool;
the cutter is including seting up in bracing piece (1) the lateral wall cutting edge of keeping away from lathe control end one side, has seted up a plurality of sides around lateral wall cutting edge a week equidistance interval and has milled blade (2), the lateral wall cutting edge is kept away from bracing piece (1) one side and is provided with end milling cutter, a plurality of end milling blades (3) have been seted up on the end milling cutter surface.
2. The novel drill bit for high-precision internal threads as claimed in claim 1, characterized in that: the supporting rod (1) is provided with an installation component (4) which is close to the machine tool control end and increases the stability of the cutter when the internal thread is formed, the installation component (4) comprises a thread plate (413) sleeved on the supporting rod (1), and the surface of the supporting rod (1) is provided with threads matched with the threads on the thread plate (413).
3. The novel drill bit for high-precision internal threads as claimed in claim 2, characterized in that: a shell (401) is arranged at one end, far away from the supporting rod (1), of the threaded plate (413), and a cavity (406) for the supporting rod (1) to be connected in an inserting mode is formed in the middle of the interior of the shell (401).
4. A novel drill bit for high-precision internal thread according to claim 3, characterized in that: a groove (411) is formed in the shell (401), a second supporting plate (408) is arranged in the groove (411), a limiting block (410) is connected to the outer side of the second supporting plate (408), and the limiting block (410) is T-shaped.
5. The novel drill bit for high-precision internal threads as claimed in claim 4, characterized in that: a first supporting plate (407) parallel to the second supporting plate (408) is further arranged in the groove (411), and a driving assembly (5) is arranged on one side, close to the second supporting plate (408), of the first supporting plate (407).
6. The novel drill bit for high-precision internal threads as claimed in claim 5, characterized in that: drive assembly (5) are including setting up in two riser (501) in first backup pad (407) outside, two riser (501) are the symmetry setting, two install slide bar (502) between riser (501), the cover is equipped with reset spring (505) on slide bar (502), reset spring (505) one end is connected with riser (501), and reset spring (505) keep away from riser (501) one end and be connected with slider (504).
7. The novel drill bit for high-precision internal threads as claimed in claim 6, characterized in that: be provided with connecting rod (503) on slider (504), connecting rod (503) are kept away from slider (504) one end and are connected with stopper (410), first backup pad (407), second backup pad (408) and drive assembly (5) all set up to two, and use cavity (406) to be the mirror image setting as the center.
8. The novel drill bit for high-precision internal threads as claimed in claim 4, characterized in that: the outer side of the shell (401) is provided with two symmetrical fixing plates (402), the fixing plates (402) are L-shaped, the outer sides of the fixing plates (402) are all inserted with limiting bolts (403), and the limiting bolts (403) extend into the shell (401).
9. The novel drill bit for high-precision internal threads as claimed in claim 1, characterized in that: the plug-in interfaces (412) matched with the limiting blocks (410) are arranged at two ends of the inner wall of the cavity (406), the limiting rod (405) is connected to the outer side of the shell (401) in a plug-in mode, and a threaded knob (404) is arranged at one end, far away from the shell (401), of the limiting rod (405).
10. The use method of the novel drill bit for the high-precision internal thread based on any one of claims 1 to 9 is characterized in that: comprises the following steps of (a) carrying out,
step (A), firstly, inserting one end of the support rod (1) far away from the cutter into the cavity (406), and installing the support rod (1) on a machine control end after penetrating through the cavity (406) and extending to the outside of the shell (401);
step (B), after the support rod () is positioned at one side of the machine control end and fixed, the thread plate (413) is rotated, the thread plate (413) is moved to one side close to the machine control end, and the thread plate (413) can drive the drive plate (409) to move to the right side and press and hold the limiting block (410);
step (C), the limiting block (410) can drive the sliding block (504) to slide on the sliding rod (502) along the length direction of the sliding rod (502) through the connecting rod (503) along with the movement of the limiting block (410) towards the direction of the supporting rod (1), so that the sliding block (504) can extrude the return spring (505);
step (D), when the right side wall of the driving plate (409) moves to be in contact with a limiting block (410), the limiting block (410) is clamped into the plug interface (412) and is abutted against the supporting rod (1), then a limiting bolt (403) is screwed to penetrate through the fixing plate (402) and extend into the shell (401), then the threaded knob (404) is rotated to drive the limiting rod (405) to rotate, and the limiting rod (405) also extends into the shell (401) and is abutted against the supporting rod (1);
and (E) finally combining the end face milling cutter with the side wall cutting edge to enable the side wall cutting edge to rotate radially to form cutting power, controlling radial feeding and radial track motion by the machine tool, and realizing the processing of the surface hole of the workpiece by using the end face milling cutting edge through the radial feeding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210079474.4A CN114378379B (en) | 2022-01-24 | 2022-01-24 | Novel drill bit for high-precision internal thread and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210079474.4A CN114378379B (en) | 2022-01-24 | 2022-01-24 | Novel drill bit for high-precision internal thread and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114378379A true CN114378379A (en) | 2022-04-22 |
| CN114378379B CN114378379B (en) | 2022-12-27 |
Family
ID=81202957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210079474.4A Active CN114378379B (en) | 2022-01-24 | 2022-01-24 | Novel drill bit for high-precision internal thread and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114378379B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5873684A (en) * | 1997-03-29 | 1999-02-23 | Tool Flo Manufacturing, Inc. | Thread mill having multiple thread cutters |
| CN1836813A (en) * | 2005-03-24 | 2006-09-27 | 埃莫克精密工具厂里查德格林普尔有限责任两合公司 | Bore screw milling cutter |
| CN106956028A (en) * | 2017-04-10 | 2017-07-18 | 成都亨通兆业精密机械有限公司 | A kind of milling cutter clamping device being easily installed |
| CN210305914U (en) * | 2019-07-25 | 2020-04-14 | 浙江普菲特切削工具有限公司 | Whole cermet flush milling cutter and sectional fixture thereof |
| CN212977026U (en) * | 2020-08-19 | 2021-04-16 | 江苏嵘泰工业股份有限公司 | High efficiency thread machining milling cutter |
| CN213560145U (en) * | 2020-10-28 | 2021-06-29 | 常州利豪刃具有限公司 | High-wear-resistance four-edge tungsten steel milling cutter |
| CN214518021U (en) * | 2020-12-02 | 2021-10-29 | 常州市锦策精工科技有限公司 | Single-edge trapezoidal thread milling cutter for machining aircraft engine |
-
2022
- 2022-01-24 CN CN202210079474.4A patent/CN114378379B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5873684A (en) * | 1997-03-29 | 1999-02-23 | Tool Flo Manufacturing, Inc. | Thread mill having multiple thread cutters |
| CN1836813A (en) * | 2005-03-24 | 2006-09-27 | 埃莫克精密工具厂里查德格林普尔有限责任两合公司 | Bore screw milling cutter |
| CN106956028A (en) * | 2017-04-10 | 2017-07-18 | 成都亨通兆业精密机械有限公司 | A kind of milling cutter clamping device being easily installed |
| CN210305914U (en) * | 2019-07-25 | 2020-04-14 | 浙江普菲特切削工具有限公司 | Whole cermet flush milling cutter and sectional fixture thereof |
| CN212977026U (en) * | 2020-08-19 | 2021-04-16 | 江苏嵘泰工业股份有限公司 | High efficiency thread machining milling cutter |
| CN213560145U (en) * | 2020-10-28 | 2021-06-29 | 常州利豪刃具有限公司 | High-wear-resistance four-edge tungsten steel milling cutter |
| CN214518021U (en) * | 2020-12-02 | 2021-10-29 | 常州市锦策精工科技有限公司 | Single-edge trapezoidal thread milling cutter for machining aircraft engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114378379B (en) | 2022-12-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114378379A (en) | Novel drill bit for high-precision internal thread and using method thereof | |
| CN217512998U (en) | Cutter rest for gear machining | |
| CN214392396U (en) | Eccentric fine boring cutter for semi-circular hole of crosshead | |
| CN210412610U (en) | Internal expansion type multifunctional indexing chuck | |
| CN210387620U (en) | Metal cutting tool assembly | |
| CN217142359U (en) | Angle-adjustable cutting tool | |
| CN211248376U (en) | High-precision adjustable composite chamfering tool | |
| CN216858356U (en) | Four-edge staggered tooth small C-angle spiral forming cutter | |
| CN218873881U (en) | Composite cutter for rough machining of ball socket | |
| CN218425672U (en) | Indexable circular blade system | |
| CN217666709U (en) | Six-edge finish milling cutter | |
| CN219837456U (en) | Groove cutter mounting structure capable of improving blade clamping rigidity | |
| CN219805700U (en) | Tool apron of long drilling tool | |
| CN215091998U (en) | Novel automatic lathe | |
| CN215966529U (en) | Milling cutter for quickly forming wide groove | |
| CN214079436U (en) | Integrated boring cutter for fine boring chamfer | |
| CN218312025U (en) | Numerical control cutter convenient to installation stability is high | |
| CN219052946U (en) | Cutter with cutting at different angles | |
| CN217121876U (en) | CBN milling cutter with conveniently replaced cutter head | |
| CN218964161U (en) | Alloy boring cutter with high milling efficiency | |
| CN218109374U (en) | Tool for machining key groove of lathe | |
| CN116021071A (en) | Composite deep hole machining device and machining method thereof | |
| CN215144777U (en) | Novel adjustable integral boring cutter for clamping precise boring head | |
| CN220260176U (en) | Locking device for machine tool cutter | |
| CN220993029U (en) | High-precision thread milling cutter |
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 | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A New Type of High Precision Internal Thread Drill and Its Usage Method Effective date of registration: 20231101 Granted publication date: 20221227 Pledgee: Bank of Jiangsu Limited by Share Ltd. Zhenjiang branch Pledgor: Jiangsu Zhengkai Electronic Technology Co.,Ltd. Registration number: Y2023980063192 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |