CN109365893B - Cyclone milling cutter with self-cooling lubricating structure - Google Patents
Cyclone milling cutter with self-cooling lubricating structure Download PDFInfo
- Publication number
- CN109365893B CN109365893B CN201811497147.0A CN201811497147A CN109365893B CN 109365893 B CN109365893 B CN 109365893B CN 201811497147 A CN201811497147 A CN 201811497147A CN 109365893 B CN109365893 B CN 109365893B
- Authority
- CN
- China
- Prior art keywords
- cooling
- lubricating
- base body
- lubricating liquid
- milling cutter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/28—Features relating to lubricating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/16—Milling-cutters characterised by physical features other than shape
- B23C5/20—Milling-cutters characterised by physical features other than shape with removable cutter bits or teeth or cutting inserts
- B23C5/22—Securing arrangements for bits or teeth or cutting inserts
- B23C5/2204—Securing arrangements for bits or teeth or cutting inserts with cutting inserts clamped against the walls of the recess in the cutter body by a clamping member acting upon the wall of a hole in the insert
- B23C5/2208—Securing arrangements for bits or teeth or cutting inserts with cutting inserts clamped against the walls of the recess in the cutter body by a clamping member acting upon the wall of a hole in the insert for plate-like cutting inserts
Abstract
The invention relates to a cyclone milling cutter with a self-cooling lubricating structure, which comprises a rotary base body and a plurality of thread milling blades; a through hole is formed in the rotating base body along the central axis; a plurality of base body connecting screw holes are formed in the rotary base body along the circumferential direction; a plurality of thread milling blades are arranged on one end surface of the rotary base body along the circumferential direction; the cooling and lubricating liquid channels are arranged in the rotary base body, and the number of the cooling and lubricating liquid channels is the same as that of the thread milling blades; the inlet of the cooling lubricating liquid flow channel is positioned on the outer circle surface of the rotary base body and is far away from the thread milling cutter blade; an outlet of the cooling and lubricating liquid flow passage is arranged on the inner circular surface of the rotary base body and is close to the thread milling blade; the outlet of one cooling and lubricating liquid flow passage is opposite to the tool nose of one thread milling blade; the rotary base body and the cooling lubricating liquid flow channel are processed and formed in a 3D printing mode. The cyclone milling cutter provided by the invention not only can directly act on a cutting area by using the cooling lubricating fluid, but also has good cooling uniformity and low cooling cost.
Description
Technical Field
The invention relates to a machining cutter, in particular to a cyclone milling cutter with a self-cooling lubricating structure.
Background
The cutting process is mainly divided into the following steps according to the processing types: turning, drilling, milling, boring and grinding;
turning means changing the shape and size of a blank by utilizing the rotary motion of a workpiece and the linear motion or curvilinear motion of a cutter; drilling refers to a process method for processing holes on a workpiece by using a cutter; milling means that a blank is fixed, a rotary multi-edge cutter is used for feeding on the blank, and a workpiece is cut into a required shape and size; boring is a cutting process using a tool to enlarge a hole or other circular profile; grinding refers to a processing method for cutting off redundant materials on a workpiece by using an abrasive material, and belongs to the fine processing of mechanical processing;
the threaded connection is a detachable fixed connection which is widely used, and has the advantages of simple structure, reliable connection, convenient assembly and disassembly and the like. The thread means a continuous convex portion of a specific section formed in a spiral shape on the surface of a cylindrical or conical parent body. The screw thread is divided into a cylindrical screw thread and a conical screw thread according to the shape of a mother body; the thread is divided into external thread and internal thread according to the position of the parent body, and is divided into triangular thread, rectangular thread, trapezoidal thread, sawtooth thread and other special-shaped threads according to the section shape (tooth shape).
The traditional thread processing is mainly realized by adopting modes of dies, rolling, thread milling, turning and the like, and the external thread and the screw are usually formed by turning and rolling. At present, cyclone milling cutters are generally adopted for processing large-diameter external threads and studs.
Cyclone milling cutter course of working all can cool off milling cutter, and traditional cooling mode mainly adopts the mode of pouring type (outer cold), and this kind of mode adopts a large amount of cutting fluids to pour into a mould and guarantees the actual processing needs in cutting area, but the processing area that lubricating fluid can't cool off can appear in this kind of lubricated cooling mode, and this kind of cooling lubrication often because lubricating fluid use amount is big, leads to processing cost height and high accuracy external thread precision to have some influence.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides the cyclone milling cutter with the self-cooling lubricating structure, wherein the cooling lubricating liquid can directly act on a cutting area, and the cyclone milling cutter is good in cooling uniformity and low in cooling cost.
The basic principle of the invention is as follows:
based on the 3D printing technology, a plurality of cooling lubricating liquid flow channels are manufactured in the cyclone milling cutter base body in the milling manufacturing process, so that a plurality of thread milling blades can be guaranteed to be processed at a proper temperature, and meanwhile, the thread precision of processing and the service life of the cyclone milling cutter are greatly improved.
The specific technical scheme of the invention is as follows:
the invention provides a cyclone milling cutter with a self-cooling lubricating structure, which comprises a rotary base body and a plurality of thread milling blades; a through hole is formed in the rotating base body along the central axis; a plurality of base body connecting screw holes are formed in the rotary base body along the circumferential direction; a plurality of thread milling blades are arranged on one end surface of the rotary base body along the circumferential direction;
the improvement is as follows:
the cooling and lubricating liquid channels are arranged in the rotary base body, and the number of the cooling and lubricating liquid channels is the same as that of the thread milling blades; the inlet of the cooling lubricating liquid flow channel is positioned on the outer circle surface of the rotary base body and is far away from the thread milling cutter blade; an outlet of the cooling and lubricating liquid flow passage is arranged on the inner circular surface of the rotary base body and is close to the thread milling blade; the outlet of one cooling and lubricating liquid flow passage is opposite to the tool nose of one thread milling blade;
the rotary base body and the cooling lubricating liquid flow channel are processed and formed in a 3D printing mode.
Further, the helical milling insert is fixedly mounted on the rotary base body by means of screws.
Meanwhile, the invention also provides a numerically controlled milling machine which comprises the cyclone milling cutter fixedly arranged on a machining platform of the numerically controlled milling machine.
Further, since the structure of the cooling lubricating fluid flow passage is simplified, the invention provides another cyclone milling cutter with a self-cooling lubricating structure, which comprises a rotary base body and a plurality of thread milling blades; a through hole is formed in the rotating base body along the central axis; a plurality of base body connecting screw holes are formed in the rotary base body along the circumferential direction; a plurality of thread milling blades are arranged on one end surface of the rotary base body along the circumferential direction;
the improvement is as follows: the cooling and lubricating main flow passage, the middle annular cooling and lubricating liquid flow passage and a plurality of cooling and lubricating auxiliary flow passages are also included;
the cooling and lubricating main flow passage is arranged far away from the thread milling cutter blade along the axial direction and is communicated with the middle annular cooling and lubricating liquid flow passage; the multiple cooling and lubricating auxiliary runners are arranged close to the thread milling cutter blade along the axial direction; inlets of the cooling and lubricating auxiliary channels are communicated with the middle annular cooling and lubricating liquid channel, and outlets of the cooling and lubricating auxiliary channels correspond to the tool nose of one thread milling blade respectively;
the rotary base body, the cooling and lubricating main flow channel, the middle annular cooling and lubricating liquid flow channel and the cooling and lubricating auxiliary flow channel are all formed in a 3D printing mode in a machining mode.
In order to improve the uniformity of the cooling lubricating liquid flowing out of each cooling lubricating liquid secondary flow channel, the cyclone milling cutter further comprises a cooling lubricating liquid temporary storage area; the cooling lubricating liquid temporary storage area comprises a temporary storage area base body arranged in the middle annular cooling lubricating liquid flow channel, a plurality of holes are formed in the temporary storage area base body and communicated with the whole outer surface from the center of the temporary storage area base body, and the cooling lubricating main flow channel and the cooling lubricating secondary flow channels are communicated through the plurality of holes; the temporary storage area base member passes through the mode shaping that 3D printed, and the material of temporary storage area base member with the material of rotatory base member is unanimous.
Further, the helical milling insert is fixedly mounted on the rotary base body by means of screws.
Meanwhile, the invention also provides a numerically controlled milling machine which comprises the cyclone milling cutter fixedly arranged on a machining platform of the numerically controlled milling machine.
The invention has the beneficial effects that:
1. the cyclone milling cutter with the plurality of cooling and lubricating liquid flow channels arranged inside is manufactured by adopting a 3D printing technology, and the plurality of cooling and lubricating liquid flow channels are used for cooling the plurality of thread milling blades respectively, so that the cooling and lubricating cost in the milling cutter machining process is reduced, the cooling and lubricating mechanism can directly act on a cutting area, the cooling is uniform, and various environmental pollutions in the cooling and lubricating process are reduced.
2. The invention also designs a cooling and lubricating mechanism consisting of the cooling and lubricating main flow passage, the middle annular cooling and lubricating liquid flow passage and the plurality of cooling and lubricating auxiliary flow passages, and can realize cooling and lubricating of the plurality of thread milling blades only by one inlet (namely supplying cooling and lubricating liquid at one position), thereby greatly simplifying the cooling and lubricating structure and ensuring good cooling and lubricating effects.
3. The temporary storage area for the cooling lubricating liquid is further arranged, so that the cooling lubricating liquid can be temporarily stored in the position before the cutter is ready to cut, the cooling lubricating liquid can flow out through the plurality of cooling lubricating secondary flow channels under the action of pressure and centrifugal force after the cutter starts cutting, the flow of the cooling lubricating liquid flowing out from each cooling lubricating secondary flow channel is consistent, the cooling uniformity is further improved, and the cooling effect is ensured.
Drawings
Fig. 1 is a schematic perspective view of a cyclone milling cutter according to the present invention.
FIG. 2 is a sectional view of example 1.
FIG. 3 is a cross-sectional view of example 2 without the cooling lubricant buffer.
FIG. 4 is a cross-sectional view of example 2 with a cooled lubricant buffer.
The reference numbers are as follows:
1-rotating base body, 2-thread milling cutter blade, 3-through hole, 4-base body connecting screw hole, 5-cooling lubricating liquid flow channel, 6-cooling lubricating main flow channel, 7-middle annular cooling lubricating liquid flow channel, 8-cooling lubricating auxiliary flow channel, 9-cooling lubricating liquid temporary storage area, 91-temporary storage area base body and 10-screw.
Detailed Description
The milling cutter according to the present invention will now be further described with reference to two embodiments and the accompanying drawings.
Example 1
As shown in fig. 1 and 2, a cyclone milling cutter having a self-cooling lubrication structure includes a rotary base 1 and a plurality of thread milling inserts 2; a through hole 3 is arranged on the rotary base body 1 along the central axis; a plurality of base body connecting screw holes 4 are formed in the rotary base body 1 along the circumferential direction; a plurality of thread milling blades 2 are arranged on one end surface of the rotary base body 1 along the circumferential direction; a plurality of cooling and lubricating liquid flow channels 5 with the same number as that of the thread milling blades 2 are arranged in the rotary base body 1; the inlet of the cooling and lubricating liquid flow passage 5 is positioned on the outer circle surface of the rotary base body 1 and is far away from the thread milling cutter blade 2; an outlet of the cooling and lubricating liquid flow passage is arranged on the inner circular surface of the rotary base body 1 and is close to the thread milling blade 2; the outlet of one cooling and lubricating liquid flow passage 5 is opposite to the tool nose of one thread milling blade 2; the rotary base body 1 and the cooling lubricating liquid flow channel 5 are processed and formed in a 3D printing mode.
During operation, cooling and lubricating liquid enters through the inlet of each cooling and lubricating liquid flow channel and flows out from the outlet, and cooling and lubricating of the thread milling cutter blade are achieved.
Example 2
As shown in fig. 3, on the basis of embodiment 1, the present invention further provides another design: a whirlwind milling cutter with a self-cooling lubricating structure comprises a rotary base body 1 and a plurality of thread milling blades 2; a through hole 3 is arranged on the rotary base body 1 along the central axis; a plurality of base body connecting screw holes 4 are formed in the rotary base body along the circumferential direction; a plurality of thread milling blades 2 are arranged on one end surface of the rotary base body along the circumferential direction; the cooling and lubricating device also comprises at least one cooling and lubricating main flow passage 6 (the number of the cooling and lubricating main flow passages 6 is the same as that of the cooling and lubricating auxiliary flow passages 8 in the figure 3), an intermediate annular cooling and lubricating liquid flow passage 7 and a plurality of cooling and lubricating auxiliary flow passages 8;
the cooling and lubricating main flow passage 6 is arranged far away from the thread milling cutter blade 2 along the axial direction and is communicated with the middle annular cooling and lubricating liquid flow passage 7; the multiple cooling and lubricating auxiliary runners 8 are arranged close to the thread milling cutter blade 2 along the axial direction; inlets of the cooling and lubricating auxiliary channels 8 are communicated with the middle annular cooling and lubricating liquid channel 7, and outlets of the cooling and lubricating auxiliary channels 8 correspond to the tool nose of one thread milling blade 2 respectively;
the rotary base body 1, the cooling and lubricating main flow passage 6, the middle annular cooling and lubricating liquid flow passage 7 and the cooling and lubricating auxiliary flow passage 8 are all formed by machining in a 3D printing mode.
As shown in fig. 4, in order to make the flow rate of each cooling and lubricating secondary flow passage uniform, the cyclone milling cutter is provided with a cooling and lubricating liquid temporary storage region 9 in the rotating base body 1, the cooling and lubricating liquid temporary storage region 9 comprises a temporary storage region base body 91 arranged in a middle annular cooling and lubricating liquid flow passage, the temporary storage region base body 91 is provided with a plurality of pores which are communicated from the center to the whole outer surface, and the plurality of pores communicate the cooling and lubricating main flow passage with the plurality of cooling and lubricating secondary flow passages; the cooling lubricating liquid flows into the cooling lubricating liquid temporary storage area through the cooling lubricating main flow passage, so that the cooling lubricating liquid can be temporarily stored in the position before the cutter is ready to cut, and after the machined part starts to rotate, the cooling lubricating liquid can flow to each thread milling blade through the plurality of cooling lubricating auxiliary flow passages under the action of pressure and centrifugal force, so that the cooling and the lubrication of the cyclone milling cutter are realized. The purpose of this design is: 1. the flow of the cooling and lubricating liquid flowing out of the plurality of cooling and lubricating auxiliary runners is more uniform, and the cooling effect is improved. 2. Reducing the mass of the tool.
In order to ensure the overall stability of the milling cutter, the material of the temporary storage area base body is consistent with that of the rotating base body.
In both embodiments, the thread milling insert 2 is mounted on the rotary base body 1 by means of a screw 10.
The milling cutter provided by the invention adopts a 3D printing technology during manufacturing, and mainly comprises the following steps:
【1】 Performing three-dimensional modeling design on the rotating base body by using three-dimensional modeling software;
【2】 Designing and optimizing parameters of the multiple cooling and lubricating liquid flow passages or cooling and lubricating inlets, the multiple cooling and lubricating auxiliary flow passages and the middle annular cooling and lubricating liquid flow passage by using simulation software such as fluid and the like; the flow of the lubricating cooling liquid in the lubricating cooling flow channel in the machining process of the cutter is ensured to meet the integral cooling requirement of the cutter, and the lubricating cooling liquid can be smoothly conveyed to the cutting machining area of the cutter;
【3】 Adopt section processing software to carry out the layering section processing to the model of rotation base member to add the support to the lubricated liquid temporary storage area of cooling, when guaranteeing the whole rigidity of rotation base member, lubricated coolant liquid can get into smoothly, flow out the temporary storage area, and the back is leading-in to 3D printing apparatus in, utilizes 3D printing technique to make the rotation base member.
【4】 The thread milling insert is then mounted to the rotating base by screws.
Claims (3)
1. A whirlwind milling cutter with a self-cooling lubricating structure comprises a rotary base body and a plurality of thread milling blades; a through hole is formed in the rotating base body along the central axis; a plurality of base body connecting screw holes are formed in the rotary base body along the circumferential direction; a plurality of thread milling blades are arranged on one end surface of the rotary base body along the circumferential direction;
the method is characterized in that:
the cooling and lubricating device also comprises at least one cooling and lubricating main flow passage, a middle annular cooling and lubricating liquid flow passage and a plurality of cooling and lubricating auxiliary flow passages;
the cooling and lubricating main flow passage is arranged far away from the thread milling cutter blade along the axial direction and is communicated with the middle annular cooling and lubricating liquid flow passage; the multiple cooling and lubricating auxiliary runners are arranged close to the thread milling cutter blade along the axial direction; inlets of the cooling and lubricating auxiliary channels are communicated with the middle annular cooling and lubricating liquid channel, and outlets of the cooling and lubricating auxiliary channels correspond to the tool nose of one thread milling blade respectively;
the lubricating liquid temporary storage area is also included; the cooling lubricating liquid temporary storage area comprises a temporary storage area base body arranged in the middle annular cooling lubricating liquid flow channel, a plurality of holes are formed in the temporary storage area base body and communicated with the whole outer surface from the center of the temporary storage area base body, and the cooling lubricating main flow channel and the cooling lubricating secondary flow channels are communicated through the plurality of holes;
the rotary base body, the cooling and lubricating main flow channel, the middle annular cooling and lubricating liquid flow channel and the cooling and lubricating auxiliary flow channel are processed and formed in a 3D printing mode;
the temporary storage area base member passes through the mode shaping that 3D printed, and the material of temporary storage area base member with the material of rotatory base member is unanimous.
2. The cyclone milling cutter with the self-cooling lubricating structure according to claim 1, wherein: the spiral milling blade is fixedly arranged on the rotary base body through a screw.
3. A numerically controlled fraise machine which characterized in that: the cyclone milling cutter comprises a cyclone milling cutter according to any one of claims 1-2, which is fixedly arranged on a processing platform of a numerical control milling machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811497147.0A CN109365893B (en) | 2018-12-07 | 2018-12-07 | Cyclone milling cutter with self-cooling lubricating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811497147.0A CN109365893B (en) | 2018-12-07 | 2018-12-07 | Cyclone milling cutter with self-cooling lubricating structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109365893A CN109365893A (en) | 2019-02-22 |
| CN109365893B true CN109365893B (en) | 2020-02-18 |
Family
ID=65373035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811497147.0A Active CN109365893B (en) | 2018-12-07 | 2018-12-07 | Cyclone milling cutter with self-cooling lubricating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109365893B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113351943B (en) * | 2021-07-07 | 2023-01-31 | 山西风源机械制造有限公司 | Cyclone mill with grinding function |
| CN117600576B (en) * | 2024-01-24 | 2024-04-09 | 常州森图精密工具有限公司 | Double indexable gear finish milling cutter convenient to be aligned and connected with machine tool |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3104752A1 (en) * | 1981-02-11 | 1982-08-19 | Carl Hurth Maschinen- und Zahnradfabrik GmbH & Co, 8000 München | Method of cooling a milling tool, in particular at its cutting edges, and milling tool suitable for this method |
| DE10145006A1 (en) * | 2001-09-12 | 2003-04-03 | Maier Gmbh | Disk cutter cooling system has coolant outlet apertures in holder for cutting inserts |
| CN102350537A (en) * | 2007-01-18 | 2012-02-15 | 钴碳化钨硬质合金公司 | Milling insert and milling cutter with coolant delivery |
| DE202012003528U1 (en) * | 2012-04-05 | 2012-05-18 | Innovative Fertigungstechnologie Gmbh (Ift) | Device for compensating thermal deformations on a motor spindle |
| CN102814560A (en) * | 2012-09-22 | 2012-12-12 | 宁波川景誉机械科技发展有限公司 | Taper thread milling cutter with internal cooling structure |
| CN103317178A (en) * | 2013-07-09 | 2013-09-25 | 宁波川景誉机械科技发展有限公司 | Whirlwind milling cutter |
| CN105312652A (en) * | 2014-07-23 | 2016-02-10 | 钴碳化钨硬质合金公司 | Cutting tool with shower cap |
| CN105414639A (en) * | 2014-09-11 | 2016-03-23 | 钴碳化钨硬质合金公司 | Rotary cutting tool with high-pressure coolant cap |
-
2018
- 2018-12-07 CN CN201811497147.0A patent/CN109365893B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3104752A1 (en) * | 1981-02-11 | 1982-08-19 | Carl Hurth Maschinen- und Zahnradfabrik GmbH & Co, 8000 München | Method of cooling a milling tool, in particular at its cutting edges, and milling tool suitable for this method |
| DE10145006A1 (en) * | 2001-09-12 | 2003-04-03 | Maier Gmbh | Disk cutter cooling system has coolant outlet apertures in holder for cutting inserts |
| CN102350537A (en) * | 2007-01-18 | 2012-02-15 | 钴碳化钨硬质合金公司 | Milling insert and milling cutter with coolant delivery |
| DE202012003528U1 (en) * | 2012-04-05 | 2012-05-18 | Innovative Fertigungstechnologie Gmbh (Ift) | Device for compensating thermal deformations on a motor spindle |
| CN102814560A (en) * | 2012-09-22 | 2012-12-12 | 宁波川景誉机械科技发展有限公司 | Taper thread milling cutter with internal cooling structure |
| CN103317178A (en) * | 2013-07-09 | 2013-09-25 | 宁波川景誉机械科技发展有限公司 | Whirlwind milling cutter |
| CN105312652A (en) * | 2014-07-23 | 2016-02-10 | 钴碳化钨硬质合金公司 | Cutting tool with shower cap |
| CN105414639A (en) * | 2014-09-11 | 2016-03-23 | 钴碳化钨硬质合金公司 | Rotary cutting tool with high-pressure coolant cap |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109365893A (en) | 2019-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109352055B (en) | Square shoulder milling cutter with self-cooling lubricating structure | |
| CN109465481B (en) | Integral milling cutter with self-cooling lubricating structure | |
| CN109352054B (en) | Gear milling cutter with self-cooling lubricating structure | |
| CN109465482B (en) | Milling and grinding integrated cutter with self-cooling lubricating structure | |
| JP5430557B2 (en) | Cutting tool capable of rotational drive | |
| CN109365893B (en) | Cyclone milling cutter with self-cooling lubricating structure | |
| CN109352056B (en) | Face milling cutter with self-cooling lubricating structure | |
| CN108406233A (en) | The processing method of irregular housing member intracavity bottom annular groove | |
| CN108994352A (en) | A kind of aluminium alloy inner hole microstoning cutter and processing method | |
| CN109465483B (en) | Cutting tool with self-cooling lubricating structure | |
| CN111002003A (en) | Efficient and long-service-life hydraulic valve main hole machining method | |
| CN109352099B (en) | Screw tap with self-lubricating cooling structure | |
| CN219967307U (en) | Cooling device of numerical control engraving and milling machine | |
| CN111502998A (en) | Axisymmetric porous disc type rotor adapter and numerical control machining method thereof | |
| CN207577575U (en) | A kind of stepped hole honing reamer | |
| CN103551592B (en) | A kind of diamond roller cavity surface processing method | |
| CN209334845U (en) | A kind of machining non-blade reamer | |
| CN101332556A (en) | Production method of diamond compound tool for processing shoulder hole | |
| CN104070190B (en) | Straight hydrostatic servo quick manual tool changing power spindle head and working method | |
| CN111015115B (en) | Manufacturing method of inducer with shaft sleeve | |
| CN204353486U (en) | Dead-beat static pressure servo power main tapping | |
| CN109551384A (en) | A kind of sharpening with self cooling and lubrication structure | |
| CN201711625U (en) | S-shaped internal thread ball end mill | |
| CN217044875U (en) | PCD inner-cooling cutter for valve body machining | |
| CN109483418B (en) | Metal-based micro-lubrication grinding wheel and manufacturing method thereof |
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 |