CN110625482A - Grinding wheel dressing device of bearing ring raceway grinding machine - Google Patents
Grinding wheel dressing device of bearing ring raceway grinding machine Download PDFInfo
- Publication number
- CN110625482A CN110625482A CN201911047632.2A CN201911047632A CN110625482A CN 110625482 A CN110625482 A CN 110625482A CN 201911047632 A CN201911047632 A CN 201911047632A CN 110625482 A CN110625482 A CN 110625482A
- Authority
- CN
- China
- Prior art keywords
- grinding wheel
- electric spark
- negative electrode
- electrolytic
- electrode
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/02—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
- B24B19/06—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements for grinding races, e.g. roller races
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/001—Devices or means for dressing or conditioning abrasive surfaces involving the use of electric current
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/003—Devices or means for dressing or conditioning abrasive surfaces using at least two conditioning tools
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
Abstract
The invention relates to a grinding wheel dressing device of a bearing ring raceway grinding machine, which comprises: the machine tool comprises a machine tool mounting platform, an X-direction moving platform, a Y-direction moving platform, a grinding wheel electric spindle, a grinding wheel shaft, an insulating coupling, an axle box, an electric spark dressing device and an online electrolysis dressing device, wherein the X-direction moving platform is arranged on one side of the X-direction moving platform of the machine tool mounting platform, the X-direction moving platform is arranged on the X-direction moving platform, the grinding wheel shaft penetrates through the axle box and is horizontally arranged on the X-direction axial opposite side of the upper portion of the machine tool mounting platform through the axle box, the electric spark dressing device is arranged on the Y-direction moving platform, and the online electrolysis dressing device is arranged above the axle box. The invention has the beneficial effects that: the electric spark dressing device is arranged on the machine tool while the online electrolytic dressing technology is adopted, and the electric spark dressing device and the machine tool are comprehensively used, so that the dressing effect of the grinding wheel is optimal, and the working efficiency of the grinding wheel can be greatly improved.
Description
Technical Field
The invention relates to a grinding wheel dressing technology of a bearing raceway grinding machine, in particular to a grinding wheel dressing device of a bearing ring raceway grinding machine.
Background
The superhard abrasive grinding wheel is widely applied to finish machining of bearings due to good wear resistance, the superhard abrasive grinding wheel dressing technology is a new field of dressing technology, dressing tools are developed to the present, a variety of series families are formed, many new dressing tools are high-tech products, the development of the dressing technology tends to be high-precision, efficient and automatic, and a new subject is brought to dressing of the superhard abrasive grinding wheel.
At present, on a more advanced machine tool, dressing of a grinding wheel generally comprises two parts, one part refers to dressing of the grinding wheel, and the other part refers to dressing of the grinding wheel, and the two methods basically use a dressing mode on one machine tool, and common dressing modes comprise a diamond pen dressing method, a diamond roller dressing method, an ELID dressing method and the like; however, the single trimming modes can not obtain good trimming effect, wherein the diamond pen and the diamond roller method have good trimming effect, but can not obtain good sharpening effect at the same time, and the grinding wheel is not sharp after trimming; the ELID shaping method is complex in equipment, only suitable for metal bond grinding wheels, good in effect when applied to grinding wheel dressing, but very easy to lose tool electricity during shaping, and low in shaping efficiency.
Disclosure of Invention
The invention aims to provide a grinding wheel dressing device of a bearing ring raceway grinding machine, which adopts an online electrolytic dressing technology and is also provided with an electric spark dressing device on a machine tool, so that the dressing effect of the grinding wheel is optimal through the comprehensive use of the two modes, and the working efficiency of the grinding wheel can be greatly improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a grinding wheel dressing device of a bearing ring raceway grinding machine, comprising: the device comprises a machine tool mounting platform, an X-direction moving platform, a Y-direction moving platform, a grinding wheel electric spindle, a grinding wheel shaft, an insulating coupling, an axle box, an electric spark dressing device and an online electrolysis dressing device, wherein the X-direction moving platform is arranged on one side of the X-direction moving platform of the machine tool mounting platform, the Y-direction moving platform is arranged on the X-direction moving platform, the grinding wheel shaft is arranged in the axle box in a penetrating manner and horizontally arranged on the other side of the X-direction on the upper portion of the machine tool mounting platform through the axle box, the axle box is arranged above the machine tool mounting platform through an insulating plate, the grinding wheel electric spindle coaxial with the grinding wheel shaft is arranged at one end, far away from the X-direction moving platform, of the grinding wheel shaft, one end of the grinding wheel shaft is insulated and fixedly connected with the output end of the grinding wheel electric spindle through the insulating coupling, the electric spark trimming device is arranged on the Y-direction moving platform, and the online electrolytic sharpening device is arranged above the axle box.
The online electrolysis sharpening device comprises an X-axis moving mechanism, an insulating support, an electrolysis negative electrode and an electrolysis spray head, wherein the X-axis moving mechanism is composed of a mounting seat, a guide rail, a linear motor and a moving plate, the mounting seat is fixedly arranged at the upper end of an axle box, the linear motor is arranged at one end of the mounting seat, the guide rail is arranged at the other end of the mounting seat, the moving plate is driven by the linear motor and runs on the guide rail, the upper end of the insulating support is fixedly connected with the moving plate, the electrolysis negative electrode is integrally an arc-shaped plate made of red copper, the electrolysis negative electrode is coaxially arranged on one side of a grinding wheel shaft and is connected with a negative electrode of a high-frequency pulse power supply, the electrolysis spray head used for spraying electrolyte is arranged at the lower end of the insulating support.
The insulation support comprises an insulation vertical rod, a conductive connecting plate A, a conductive connecting plate B and an insulation protection ring, the upper end of the insulation vertical rod is fixedly connected with a movable plate of an X moving mechanism, the lower end of the insulation vertical rod is fixedly connected with the conductive connecting plate A, the end of the conductive connecting plate A adjacent to a grinding wheel is horizontally provided with the vertical conductive connecting plate B, the other end of the conductive connecting plate A is electrically connected with a negative electrode of a pulse power supply, the conductive connecting plate B is fixedly connected with an electrolysis negative electrode, the insulation protection ring is fixedly arranged at the crossed end of the conductive connecting plate B and the conductive connecting plate A, the insulation protection ring is integrally an arc-shaped plate, the end face of the insulation protection ring is identical to the end face of the electrolysis negative electrode, the middle part of the end face of the insulation.
The electric spark grinding wheel shaping device comprises an electric spark negative electrode, an electrode electric spindle and an electric spark nozzle, wherein the electrode electric spindle is installed on a Y-direction moving platform through a fixed support, the electrode electric spindle is parallel to a grinding wheel shaft and is located in the same horizontal plane, the electric spark negative electrode made of red copper is installed at the output end of the electric spindle, the electric spark electrode is connected with the negative electrode of a high-frequency pulse power supply, and the electric spark nozzle used for spraying electric spark electrolyte is fixedly arranged above the electric spark negative electrode.
The lathe mounting platform on still be provided with electric spark electrode and repair type device, electric spark electrode repair type device constitute by base, carriage seat, knife rest and lathe tool, the base setting axle box one side that is equipped with on lathe mounting platform, its lower extreme links firmly with mounting platform, its upper end is provided with the carriage seat, carriage seat up end is provided with T type groove, the T type inslot at the carriage seat is installed through T type bolt to the knife rest, the knife rest side set up the open slot that is used for holding the lathe tool, the lateral wall that the open slot is located knife rest upper portion is equipped with the fastening bolt that is used for pressing from both sides tight lathe tool.
The invention has the beneficial effects that: the electric spark dressing device is arranged on the machine tool while the online electrolytic dressing technology is adopted, and the electric spark dressing device and the machine tool are comprehensively used, so that the dressing effect of the grinding wheel is optimal, and the working efficiency of the grinding wheel can be greatly improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a left side view of the overall structure.
Fig. 3 shows an electric spark grinding wheel truing device.
FIG. 4 is a schematic view of the connection of the insulating support with the electrolytic negative electrode.
Fig. 5 is a schematic view of the overall structure of the insulating support.
Fig. 6 is a schematic view of the lower structure of the insulating support.
In the figure, 1, a grinding wheel, 2, a mounting platform, 3, a Y-direction moving platform,
501. an electric spindle 503, a grinding wheel spindle 504, an insulating coupler 505 and an axle box;
6. an X-direction moving platform;
801. an electric spark negative electrode 802, an electrode electric spindle 803 and an electric spark spray head;
901. a base, 902, a tool rest base, 903, a tool rest, 904 and a turning tool;
1102. the electrolytic cell comprises an insulating support, 1103, an electrolytic negative electrode, 1104, an electrolytic spray head, 1111, a mounting seat, 1112, a guide rail, 1113, a linear motor, 1114 and a moving plate;
1121. insulating vertical rods 1122, conductive connecting plates A and 1123, conductive connecting plates B and 1124 and insulating protection rings.
Detailed Description
The invention is described in further detail below with reference to the drawings.
As shown in fig. 1, 2 and 3, a grinding wheel truing apparatus of a bearing ring raceway grinding machine includes: the grinding wheel electric spindle 501 is arranged on one side of the X axis of the machine tool mounting platform 2, the Y-direction moving platform 6 is arranged on the X-direction moving platform 6, the Y-direction moving platform 3 is arranged on the X-direction moving platform 6, the grinding wheel spindle 503 is arranged in the axle box 505 in a penetrating mode and is horizontally arranged on the other side of the X axis of the upper portion of the machine tool mounting platform 2 through the axle box 505, the axle box 505 is arranged above the machine tool mounting platform 2 through an insulating plate, the grinding wheel electric spindle 501 coaxial with the grinding wheel spindle 503 is arranged at one end, far away from the X-direction moving platform 6, of the grinding wheel spindle 503 through a spindle seat, one end of the grinding wheel spindle 503 is insulated and fixedly connected with the output end of the grinding wheel electric spindle 501 through the insulating coupler 504, the grinding wheel 1 is arranged at the other end of the grinding wheel spindle 503, the grinding wheel 1 is a metal bond diamond grinding wheel, the grinding wheel 1 is electrically connected with the positive electrode of a high-frequency pulse power supply, the electric spark dressing device is arranged on the Y-direction moving platform 3, and the online electrolysis dressing device is arranged above the axle box 505.
As shown in fig. 2, 3 and 4, the online electrolytic sharpening device comprises an X-axis moving mechanism, an insulating bracket 1102, an electrolytic negative electrode 1103 and an electrolytic spray head 1104, the X-axis moving mechanism is composed of a mounting seat 1111, a guide rail 1112, a linear motor 1113 and a moving plate 1114, the mounting seat 1111 is fixedly arranged at the upper end of the axle box 505, one end of the upper surface of the mounting seat 1111 is provided with the linear motor 1113, the other end is provided with the guide rail 1112, the moving plate 1114 is driven by a linear motor 1113 and runs on a rail 1112, the upper end of the insulating bracket 1102 is fixedly connected with the moving plate 1114, the lower end is provided with an electrolytic negative electrode 1103, the electrolysis negative electrode 1103 is integrally an arc-shaped plate made of red copper, the electrolysis negative electrode 1103 is coaxially arranged at one side of the grinding wheel shaft 503 and is connected with the negative electrode of the high-frequency pulse power supply, the electrolytic nozzle 1104 for spraying the electrolyte penetrates through the lower end of the insulating bracket 1102, and the outlet of the electrolytic nozzle 1104 is positioned between the electrolytic negative electrode 1103 and the grinding wheel 1.
As shown in fig. 4, 5 and 6, the insulating support 1102 is composed of an insulating vertical rod 1121, a conductive connecting plate a1122, a conductive connecting plate B1123 and an insulating protection ring 1124, the upper end of the insulating vertical rod 1121 is fixedly connected with the moving plate 1114 of the X moving mechanism, the lower end of the insulating vertical rod 1121 is fixedly connected with the conductive connecting plate a1122, one end of the conductive connecting plate a1122 adjacent to the grinding wheel 1 is horizontally provided with a vertical conductive connecting plate B1123, the other end of the conductive connecting plate a1122 is electrically connected with the negative electrode of the pulse power supply, the conductive connecting plate B1123 is fixedly connected with the electrolytic negative electrode 1103, the insulation protection ring 1124 is fixedly arranged at one end of the conductive connecting plate B1123, which is intersected with the conductive connecting plate A1122, the insulation protection ring 1124 is integrally an arc-shaped plate, the end face of the electrolytic negative electrode is the same as the end face of the electrolytic negative electrode 1103, the middle part of the end face of the insulation protection ring 1124 is fixedly connected with the end face of the conductive connecting plate B1123 through a bolt, and the electrolytic spray head 1104 penetrates through the arc surface of the insulation protection ring 1124.
As shown in fig. 1 and 2, the electric spark grinding wheel truing device comprises an electric spark negative electrode 801, an electrode electric spindle 802 and an electric spark nozzle 803, wherein the electrode electric spindle 802 is installed on the Y-direction moving platform 3 through a fixed support, the electrode electric spindle 802 is parallel to the grinding wheel shaft 503 and is located in the same horizontal plane, the electric spark negative electrode 801 made of red copper is installed at the output end of the electrode electric spindle 802, the electric spark negative electrode 801 is connected with the negative electrode of a high-frequency pulse power supply, and the electric spark nozzle 803 for spraying electric spark electrolyte is fixedly arranged above the electric spark negative electrode.
As shown in fig. 1 and 3, the machine tool mounting platform is further provided with an electric spark electrode shaping device, the electric spark electrode shaping device is composed of a base 901, a tool holder seat 902, a tool holder 903 and a turning tool 904, the base 901 is arranged on one side of an axle box 505 arranged on the machine tool mounting platform 2, the lower end of the base 901 is fixedly connected with the mounting platform 2, the upper end of the base 901 is provided with the tool holder seat 902, the upper end face of the tool holder seat 902 is provided with a T-shaped groove, the tool holder 903 is arranged in the T-shaped groove of the tool holder seat 902 through a T-shaped bolt, the side face of the tool holder 903 is provided with an open groove for accommodating the turning tool 904, and the side wall of the open.
The present invention is not described in detail in the prior art.
Claims (5)
1. A grinding wheel dressing device of a bearing ring raceway grinding machine, comprising: machine tool mounting platform (2), X are to moving platform (6), Y to moving platform (3), emery wheel electricity main shaft (501), emery wheel axle (503), insulating shaft coupling (504), axle box (505), electric spark profile modification device and online electrolysis sharpening device, characterized by: the grinding wheel electric spindle (501) coaxial with the grinding wheel shaft (503) is arranged at one end of the grinding wheel shaft (503) far away from the X-direction moving platform (6) through a spindle seat, one end of the grinding wheel shaft (503) is insulated and fixedly connected with the output end of the grinding wheel electric spindle (501) through an insulating coupler (504), the other end of the grinding wheel shaft (503) is provided with a grinding wheel (1), the grinding wheel (1) is a metal bond diamond grinding wheel, the grinding wheel (1) is electrically connected with a positive electrode of a high-frequency pulse power supply, the electric spark trimming device is arranged on the Y-direction moving platform (3), and the online electrolytic sharpening device is arranged above the axle box (505).
2. The dressing device of a grinding wheel for a bearing ring raceway grinding machine according to claim 1, characterized in that: the on-line electrolytic sharpening device comprises an X-axis moving mechanism, an insulating support (1102), an electrolytic negative electrode (1103) and an electrolytic spray head (1104), wherein the X-axis moving mechanism is composed of a mounting seat (1111), a guide rail (1112), a linear motor (1113) and a moving plate (1114), the mounting seat (1111) is fixedly arranged at the upper end of an axle box (505), one end of the upper surface of the mounting seat (1111) is provided with the linear motor (1113), the other end of the upper surface of the mounting seat (1111) is provided with the guide rail (1112), the moving plate (1114) is driven by the linear motor (1113) and runs on the guide rail (1112), the upper end of the insulating support (1102) is fixedly connected with the moving plate (1114), the lower end of the insulating support is provided with the electrolytic negative electrode (1103), the electrolytic negative electrode (1103) is integrally an arc-shaped plate made of red copper, the electrolytic negative electrode (1103, the electrolytic nozzle (1104) for spraying the electrolyte penetrates through the lower end of the insulating support (1102), and an outlet of the electrolytic nozzle (1104) is positioned between the electrolytic negative electrode (1103) and the grinding wheel 1.
3. The grinding wheel truing apparatus of a bearing ring raceway grinding machine according to claim 2, characterized in that: the insulation support (1102) is composed of an insulation vertical rod (1121), a conductive connecting plate A (1122), a conductive connecting plate B (1123) and an insulation protection ring (1124), the upper end of the insulation vertical rod (1121) is fixedly connected with a moving plate (1114) of an X moving mechanism, the lower end of the insulation vertical rod (1121) is fixedly connected with the conductive connecting plate A (1122), one end of the conductive connecting plate A (1122), which is adjacent to the grinding wheel 1, is horizontally provided with the vertical conductive connecting plate B (1123), the other end of the conductive connecting plate A (1122) is electrically connected with a negative electrode of a pulse power supply, the conductive connecting plate B (1123) is fixedly connected with an electrolytic negative electrode (1103), the insulation protection ring (1124) is fixedly arranged at one end, where the conductive connecting plate B (1123) is intersected with the conductive connecting plate A (1122), the insulation protection ring (1124) is integrally an arc-shaped plate, the end face of the insulation protection ring is identical to the end face of the electrolytic negative electrode (1103), the, the electrolytic spray head (1104) penetrates through the arc surface of the insulation protection ring (1124).
4. The dressing device of a grinding wheel for a bearing ring raceway grinding machine according to claim 1, characterized in that: the electric spark grinding wheel shaping device comprises an electric spark negative electrode (801), an electrode electric spindle (802) and an electric spark spray head (803), wherein the electrode electric spindle (802) is installed on a Y-direction moving platform (3) through a fixed support, the electrode electric spindle (802) is parallel to a grinding wheel shaft (503) and is positioned in the same horizontal plane, the electric spark negative electrode (801) made of red copper is installed at the output end of the electrode electric spindle (802), the electric spark negative electrode (801) is connected with the negative electrode of a high-frequency pulse power supply, and the electric spark spray head (803) used for spraying electric spark electrolyte is fixedly arranged above the electric spark negative electrode.
5. The dressing device of a grinding wheel for a bearing ring raceway grinding machine according to claim 1, characterized in that: the electric spark electrode shaping device is characterized in that the machine tool mounting platform (2) is further provided with an electric spark electrode shaping device, the electric spark electrode shaping device is composed of a base (901), a tool rest seat (902), a tool rest (903) and a turning tool (901), the base (901) is arranged on one side of an axle box (505) arranged on the machine tool mounting platform (2), the lower end of the base (901) is fixedly connected with the mounting platform (2), the upper end of the base (901) is provided with the tool rest seat (902), the upper end face of the tool rest seat (902) is provided with a T-shaped groove, the tool rest (903) is arranged in the T-shaped groove of the tool rest seat (902) through a T-shaped bolt, the side face of the tool rest (903) is provided with an open groove used for accommodating the turning tool (901), and the.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911047632.2A CN110625482A (en) | 2019-10-30 | 2019-10-30 | Grinding wheel dressing device of bearing ring raceway grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911047632.2A CN110625482A (en) | 2019-10-30 | 2019-10-30 | Grinding wheel dressing device of bearing ring raceway grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110625482A true CN110625482A (en) | 2019-12-31 |
Family
ID=68978441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911047632.2A Pending CN110625482A (en) | 2019-10-30 | 2019-10-30 | Grinding wheel dressing device of bearing ring raceway grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110625482A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263371A (en) * | 2021-05-18 | 2021-08-17 | 河南科技大学 | High-precision bearing polishing device |
-
2019
- 2019-10-30 CN CN201911047632.2A patent/CN110625482A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263371A (en) * | 2021-05-18 | 2021-08-17 | 河南科技大学 | High-precision bearing polishing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN200995309Y (en) | Horizontal digital-controlled electrolytic lathe | |
| CN210818923U (en) | Grinding wheel dressing device of bearing ring raceway grinding machine | |
| CN111375850B (en) | Multi-station synchronous precise electrolytic forming processing device and method for involute internal spline | |
| CN110666637A (en) | Horizontal double-spindle bearing ring grinding machine | |
| CN112123031A (en) | Device and process for polishing inner wall of non-magnetic-conductive metal pipe through electromagnet composite electrolysis | |
| CN110625482A (en) | Grinding wheel dressing device of bearing ring raceway grinding machine | |
| CN210818922U (en) | Horizontal double-spindle bearing ring grinding machine | |
| CN108453626B (en) | A kind of grinding small roller and the self-acting grinding machine application method with repairing type dressing grinding wheel | |
| CN100488688C (en) | Non-conducting material spark milling electrode tip | |
| CN210819123U (en) | Online electrolysis sharpening device of bearing ring raceway grinding machine | |
| CN201205679Y (en) | Electrical discharge precision truing apparatus for metal-bonded grinding wheel | |
| CN210704318U (en) | Electric spark grinding wheel shaping device of bearing ring raceway grinding machine | |
| CN102886712A (en) | ELID (electrolytic in-process dressing) ultrasonic honing device | |
| CN104384691A (en) | Device for processing rope grooves of coiling block by utilizing plasma gouging and processing method of device | |
| CN110666638A (en) | Novel bearing inner race raceway grinding machine | |
| CN201841303U (en) | Round material chamfering machine | |
| CN102672290A (en) | Electrochemistry-mechanical composite passivating method of cutting edge of hard alloy cutter | |
| CN216228584U (en) | Horizontal machining center of centre gripping type | |
| CN216859334U (en) | Polishing device for removing oxide skin on surface of metal wire | |
| CN213702731U (en) | Electromagnet composite electrolysis polishing device for inner wall of non-magnetic-conductive metal pipe | |
| CN2475511Y (en) | Grinder for carbon brush of motor | |
| CN203330833U (en) | DC round-head grinding machine | |
| CN101264536A (en) | Metallic anchoring agent abrasive wheel electric spark precision truing device | |
| CN110900206A (en) | Powerless rapid cutting equipment for stainless steel pipeline of power station and cutting method thereof | |
| CN1070857A (en) | The compound electric processing method and the special equipment of carbide hob |
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 |