CN215091163U - Oblique push type electrode automatic compensation discharge gap discharge milling composite cutter - Google Patents
Oblique push type electrode automatic compensation discharge gap discharge milling composite cutter Download PDFInfo
- Publication number
- CN215091163U CN215091163U CN202121264161.3U CN202121264161U CN215091163U CN 215091163 U CN215091163 U CN 215091163U CN 202121264161 U CN202121264161 U CN 202121264161U CN 215091163 U CN215091163 U CN 215091163U
- Authority
- CN
- China
- Prior art keywords
- assembly
- discharge
- tool
- type electrode
- oblique
- 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
Landscapes
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention discloses a discharging and milling composite cutter with an oblique pushing type electrode for automatically compensating a discharging gap, which comprises a cutter holder assembly, wherein the cutter holder assembly is provided with a discharging assembly, a piezoelectric assembly and a push rod, and the push rod rotates and pushes the discharging assembly obliquely under the driving of the piezoelectric assembly to enable the discharging assembly to move close to or far away from a workpiece. The piezoelectric component and the push rod are matched to enable the discharging component to move, redundant gaps caused by electrode loss are compensated, the discharging component moves to the position where the gap of the workpiece is equal to the discharging position, and discharging efficiency of the discharging component is guaranteed.
Description
[ technical field ] A method for producing a semiconductor device
The application relates to a milling cutter, in particular to an electric discharge milling composite cutter with an oblique push type electrode for automatically compensating an electric discharge gap.
[ background of the invention ]
The existing electric spark milling cutter comprises a copper electrode used for discharging to a workpiece, a gap exists between the copper electrode and the workpiece when the copper electrode discharges to the workpiece, and the gap between the copper electrode and the workpiece is gradually increased due to loss caused by continuous discharge in the electric spark auxiliary milling process, so that the discharge efficiency of the copper electrode is reduced, and the service life of the cutter is shortened.
[ summary of the invention ]
The purpose of the application is to provide a combined cutting tool for discharging and milling of an oblique pushing type electrode automatic compensation discharging gap, the discharging assembly is moved through the matching of a piezoelectric assembly and a push rod, redundant gaps caused by electrode loss are compensated, the discharging assembly is moved to the position where the gap between the discharging assembly and a workpiece is equal to the discharging gap, and the discharging efficiency of the discharging assembly is guaranteed.
The application is realized by the following technical scheme:
the electric discharge milling composite cutter with the oblique push type electrode for automatically compensating the electric discharge gap comprises a cutter holder assembly, wherein the cutter holder assembly is provided with an electric discharge assembly, a piezoelectric assembly and a push rod, and the push rod rotates under the driving of the piezoelectric assembly to push the electric discharge assembly obliquely so that the electric discharge assembly moves close to or away from a workpiece.
The oblique-push type electrode discharge milling composite tool capable of automatically compensating the discharge gap comprises a fixed seat arranged on the tool apron component and piezoelectric ceramics arranged on the fixed seat.
The oblique push type electrode automatic discharge gap compensation discharge milling composite cutter is characterized in that a hinge part hinged with the cutter holder component and a second pushing part abutted against the piezoelectric ceramic telescopic end are formed on the push rod, and when the push rod swings, the oblique push of the discharge component causes the discharge component to move towards the workpiece direction.
The oblique-push type electrode discharge milling composite tool capable of automatically compensating the discharge gap comprises a mounting seat capable of sliding relative to the tool apron component and an electrode plate arranged in the mounting seat.
In the electric discharge milling composite tool with the oblique push type electrode for automatically compensating the electric discharge gap, one of the tool apron assembly and the mounting seat is provided with the guide sliding groove, and the other one of the tool apron assembly and the mounting seat is provided with the sliding block in sliding fit with the guide sliding groove.
The oblique-pushing type electrode discharging and milling composite tool with the automatic discharging gap compensation function is characterized in that an elastic piece which elastically pushes the mounting seat towards the push rod direction is arranged in the guide sliding chute.
The oblique-push type electrode discharge milling composite tool capable of automatically compensating the discharge gap is characterized in that the tool apron component is provided with two first positioning rods, and the two first positioning rods are oppositely arranged on the left side and the right side of the moving direction of the discharge component.
The oblique-push type electrode discharging and milling composite tool with the automatic discharging gap compensation function is characterized in that the tool apron assembly is provided with two second positioning rods, and the two second positioning rods are oppositely arranged in the swinging direction of the push rod.
According to the discharge milling composite cutter with the oblique push type electrode capable of automatically compensating the discharge gap, the cutter holder assembly is sleeved with the insulating sleeve capable of rotating relative to the cutter holder assembly, the insulating sleeve is fixedly provided with the plurality of conductive assemblies, and the plurality of conductive assemblies are connected through the connecting assembly.
The oblique-pushing type electrode automatic discharge gap compensation discharge milling composite tool comprises a metal sleeve and an electric brush, wherein the metal sleeve is sleeved on an insulating sleeve, the electric brush is sleeved on the metal sleeve, the connecting assembly comprises a plurality of connecting pressing pieces and a plurality of connecting rods, the connecting pressing pieces are connected with the electric brush, and the connecting pressing pieces are connected with the electric brush.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below.
FIG. 1 is a schematic structural diagram of an electrode gap automatic compensation system of an electric discharge milling composite tool;
fig. 2 is a perspective view of the electric discharge milling composite tool with the oblique pushing type electrode for automatically compensating the electric discharge gap according to the present application;
FIG. 3 is an enlarged view of a portion of FIG. 2 at B;
FIG. 4 is an enlarged view of a portion of FIG. 3 at C;
FIG. 5 is a cross-sectional view of the electric discharge milling composite tool with the oblique pushing type electrode for automatically compensating the electric discharge gap according to the present application;
FIG. 6 is a top view of the electric discharge milling composite tool with the oblique pushing electrode for automatically compensating the electric discharge gap according to the present application;
fig. 7 is a perspective view of a tool holder assembly for automatically compensating a discharge gap of a push-type electrode according to the present invention.
[ detailed description ] embodiments
In order to make the technical problems, technical solutions and advantageous effects solved by the present application more clear and obvious, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The invention provides an electrode gap automatic compensation method of a discharge milling composite cutter, which comprises the following steps:
s1: the detection module monitors real-time electric signals between the discharge assembly and two ends of the workpiece and sends the acquired real-time electric signals to the compensation control module;
s2: the compensation control module judges the real-time electric signal, when the real-time electric signal of the electric discharge machining is consistent with a preset electric signal, the gap between the discharge assembly and the workpiece is considered to be equal to the discharge gap, the discharge assembly does not need to be subjected to position compensation, when the real-time electric signal is inconsistent with the preset electric signal, the gap between the discharge assembly and the workpiece is considered to be larger than or smaller than the discharge gap, and the discharge assembly needs to be subjected to position compensation;
s3: when the discharging assembly needs to be subjected to position compensation, a compensation displacement D is input into the compensation control module, and the compensation control module calculates a compensation voltage V and applies the compensation voltage V to the gap compensation mechanism so that the discharging assembly moves a compensation gap towards the direction close to the workpiece;
s4: stopping compensation when the real-time electrical signal is consistent with the preset electrical signal, and repeating the step S3 to continue compensation when the real-time electrical signal is not consistent with the preset electrical signal until the real-time electrical signal is consistent with the preset electrical signal;
s5: when the real-time electric signal is a short-circuit electric signal, inputting a compensation negative displacement-D into the compensation control module, and decompressing the gap compensation mechanism after the compensation control module calculates a decompression voltage-V so as to enable the discharge assembly to move towards a direction far away from the workpiece to reversely compensate the gap;
s6: and when the real-time electrical signal is consistent with the preset electrical signal, stopping reverse compensation, and when the real-time electrical signal is not consistent with the preset electrical signal, repeating the step S5 to continue reverse compensation until the real-time electrical signal is consistent with the preset electrical signal.
The method moves the discharging assembly to a position where the real-time electric signal is consistent with the preset electric signal through the matching of the detection module, the compensation control module and the clearance compensation mechanism, and the discharging assembly is located at the position, so that the discharging efficiency of the discharging assembly is guaranteed, and the service life of the cutter is prolonged.
When the real-time electric signal is consistent with the preset electric signal, the gap between the discharge assembly and the workpiece is a discharge gap.
The method is applied to an electrode gap automatic compensation system of an electric discharge milling composite cutter, as shown in fig. 1, the system comprises a workpiece 100, an electric discharge milling composite cutter 200, a power module 300, a detection module 400 and a compensation control module 500, the electric discharge milling composite cutter 200 comprises a cutter holder assembly 1, an electric discharge assembly 2 and a gap compensation mechanism 3, wherein the electric discharge assembly 2 and the gap compensation mechanism 3 are arranged on the cutter holder assembly 1, the negative pole of the power module 300 is connected to the electric discharge assembly 2, the positive pole of the power module 300 is connected to the workpiece 100, the detection module 400 is used for acquiring a real-time electric signal between the electric discharge assembly 2 and two ends of the workpiece 100, the detection module 400 is electrically connected with the compensation control module 500 for transmitting the real-time electric signal to the compensation control module 500, the compensation control module 500 is electrically connected with the gap compensation mechanism 3 for driving the gap compensation mechanism 3 to move, the gap compensation mechanism 3 drives the discharge assembly 2 to move when moving, and the compensation control module 500 drives the gap compensation mechanism 3 to move when the real-time electric signal is inconsistent with the preset electric signal, so that the discharge assembly 2 moves to a position where the real-time electric signal is consistent with the preset electric signal, even if the discharge assembly 2 moves to a position where the gap between the discharge assembly 2 and the surface of the workpiece is equal to the discharge gap.
Further, as a preferred embodiment of the present invention, but not limited thereto, the clearance compensation mechanism 3 includes a piezoelectric assembly 301 electrically connected to the compensation control module 500, and a push rod 302 driven by the piezoelectric assembly 301 to swing, the push rod 302 drives the discharge assembly 2 to move when swinging, and the piezoelectric assembly 301 includes a fixed seat 3011 disposed on the tool apron assembly 1 and a piezoelectric ceramic 3012 disposed on the fixed seat 3011. The piezoelectric type driving device has the advantages of small size, high electromechanical coupling efficiency, high displacement resolution, high response speed, good stability and the like, and can realize high-precision position location and error compensation.
Further, as a preferred embodiment of the present invention, but not limited thereto, the compensation control module 500 includes a control module 600 electrically connected to the detection module 400 and a piezoelectric voltage controller 700 electrically connected to the control module 600, the control module 600 includes a Matlab system for data processing and an existing PI inverse analytical model based on hysteresis compensation, the piezoelectric voltage controller 700 is electrically connected to the piezoelectric ceramic 3012 to control the amount of expansion and contraction of the piezoelectric ceramic 3012, in step S3, a compensation displacement D is input in the Matlab system, and the extension value D of the piezoelectric ceramic is obtained using the formula D ═ D/a, a is the flexible hinge mechanism magnification, then, the extension value d is input to an existing PI inverse analysis model based on hysteresis compensation to calculate a compensation voltage V of the piezoelectric ceramic, and then the piezoelectric voltage controller 700 calculates the compensation voltage V according to the compensation voltage V.The piezoelectric ceramic 3012 applies pressure, and the piezoelectric ceramic 3012 extends to push the push rod 302 to swing after applying pressure, so that the discharge component 2 moves towards the direction of the workpiece 100 to compensate for the gap. The Matlab system is an existing system, and an existing PI inverse analysis model based on hysteresis compensation is an existing mathematical model. Wherein, the magnitude of the compensation displacement D is as follows: 3μm～7μmPreferably, the compensation displacement D is 5μmThe numerical value of A is: 5 to 15. The mode realizes the movement of the discharge assembly 2, and has simple operation and high compensation precision.
Further, as a preferred embodiment of the present invention, but not limited thereto, in step S5, a compensation negative displacement-D is input into a Matlab system, and a contraction value-D of the piezoelectric ceramic 3012 is obtained by using a formula-D ═ D/a, where a is a flexible hinge mechanism magnification factor, then the contraction value-D is input into an existing PI inverse analysis model based on hysteresis compensation to calculate a decompression voltage-V of the piezoelectric ceramic 3012, then the piezoelectric voltage controller 700 decompresses the piezoelectric ceramic 3012 according to the decompression voltage-V, and after decompression, the piezoelectric ceramic 3012 contracts to reversely swing the plunger 302, so that the discharge element 2 moves a reverse compensation gap in a direction away from the workpiece 100. The mode realizes the reverse movement of the discharge assembly 2, and has simple operation and high compensation precision.
As shown in fig. 2-7, in the composite electric discharge milling tool 200, a hinge portion 3023 hinged to the tool holder assembly 1 and a second pushing portion 3024 abutting against the telescopic end of the piezoelectric ceramic 3012 are formed on the push rod 302, and when the push rod 302 swings, the discharge assembly 2 is pushed obliquely to move the discharge assembly 2 closer to or away from a workpiece. The arrangement can compensate for the redundant gap caused by the electrode loss, so that the discharge assembly 2 moves to the position where the gap between the discharge assembly 2 and the workpiece 100 is equal to the discharge gap, and the discharge efficiency of the discharge assembly 2 is ensured.
A first inclined plane (not shown) is disposed on a side of the push rod 302 opposite to the piezoelectric assembly 301, and a second inclined plane (not shown) is disposed on the piezoelectric assembly 301 and is in inclined push fit with the first inclined plane. The piezoelectric ceramic 3012 can be arranged on a diagonal line by the oblique pushing design, which is beneficial to saving space and placing the piezoelectric ceramic 3012 with longer side length so as to generate larger pushing force and ensure the smooth pushing of the piezoelectric component 301.
Further, as a preferred embodiment of the present invention, but not limited thereto, the discharge assembly 2 includes a mounting seat 201 capable of sliding relative to the tool holder assembly 1, and an electrode plate 202 disposed in the mounting seat 201, wherein a side of the mounting seat 201 opposite to the push rod 302 forms the second inclined surface, and the push rod 302 forms the first inclined surface. The structure is simple and the implementation is convenient.
Further, as a preferred embodiment of the present invention, but not limited thereto, a guide sliding groove 6 is provided on the mounting seat 201, and a sliding block 7 slidably engaged with the guide sliding groove 6 is provided on the tool apron assembly 1. This arrangement is advantageous in improving the stability of the movement of the discharge assembly 2.
Further, as a preferred embodiment of the present invention, but not limited thereto, an elastic member 8 is disposed in the guide chute 6 and elastically presses the mounting seat 201 toward the push rod 302. This arrangement facilitates the resetting of the discharge element 2 and avoids a transition of the movement of the discharge element 2.
Further, as a preferred embodiment of the present invention, but not limited thereto, the holder assembly 1 is provided with two first positioning rods 9, and the two first positioning rods 9 are disposed opposite to each other on both left and right sides in the moving direction of the discharge assembly 2. This arrangement is advantageous in improving the stability of the movement of the discharge assembly 2.
Further, as a preferred embodiment of the present invention, but not limited thereto, the holder assembly 1 is provided with two second positioning rods 10, and the two second positioning rods 10 are disposed to face each other in the swinging direction of the push rod 302. This arrangement prevents excessive rocking of the pushrod 302.
Further, as a preferred embodiment of the present invention, but not limited thereto, the tool holder assembly 1 includes a tool holder 101 and a tool holder 102 connected to the tool holder 101, an insulating sleeve 11 capable of rotating relative to the tool holder 102 is sleeved on the tool holder 102, a plurality of conductive assemblies 12 are fixedly disposed on the insulating sleeve 11, and the plurality of conductive assemblies 12 are connected through a connecting assembly 13. The conductive assembly 12 includes a metal sleeve 121 disposed on the insulating sleeve 11, and a brush 122 connected to the metal sleeve 121, wherein the brush 122 is disposed on the metal sleeve 121. The connecting assembly 13 includes a plurality of connecting pressing members 131 and a connecting rod 132 connecting the plurality of connecting pressing members 131, and the connecting pressing members 131 are in clamping connection with the brushes 122. The metal sleeve 121 is made of iron, the electric brush 122 is made of a carbon rod, the tool shank 102 is connected to a spindle of a machine tool and rotates along with the spindle, the connecting rod 132 is fixed to the machine tool and is insulated, and when the tool shank 102 and the conductive component 12 rotate relatively, current is generated on the metal sleeve 121. As can be seen from the figure, the plurality of conductive elements 12 includes a first conductive element (not shown), a second conductive element (not shown), and a third conductive element (not shown), the first conductive element is connected to the discharge element 2, the second conductive element is connected to the positive electrode of the piezoelectric ceramic 3012, and the third conductive element is connected to the negative electrode of the piezoelectric ceramic 3012. The structure forms two independent power supply systems to prevent series connection or short circuit.
Further, as a preferred embodiment of the present invention, but not limited thereto, a first lead through hole 14 extending in an axial direction of the tool holder 102 is formed, a second lead through hole 15 communicating with the first lead through hole 14 is formed in the tool holder 101, and a plurality of first lead grooves 16 communicating with the second lead through hole 15 are formed in the tool holder 101. The structure is convenient for leading out and accommodating the lead, so that the whole structure is more compact.
Further, as a preferred embodiment of the present invention, but not limited thereto, the number of the discharge assemblies 2 is plural, the plural discharge assemblies 2 are arranged at intervals along the circumferential direction of the tool apron assembly 1, the number of the gap compensation mechanisms 3 is the same as that of the discharge assemblies 2, and the plural gap compensation mechanisms 3 correspond to the plural discharge assemblies 2 one by one. This arrangement is advantageous for improving the machining efficiency of the cutter.
Further, as a preferred embodiment of the present invention, but not limited thereto, the holder assembly 1 is provided with a tool 4 for cutting a workpiece, and an insulating assembly 5 is provided between the tool 4 and the holder assembly 1. This arrangement prevents the tool 4 from conducting electricity and causing a short circuit when the tool 4 cuts a workpiece.
Further, as a preferred embodiment of the present invention, the insulating assembly 5 includes an insulating sheet 51 provided between the tool 4 and the holder assembly 1, and an insulating fastener 52 connecting the tool 4, the insulating sheet 51, and the holder assembly 1. The insulating sheet 51 and the insulating fastener 52 are made of ceramic materials. The structure is simple and the implementation is convenient.
Further, as a preferred embodiment of the present invention, but not limited thereto, the number of the cutters 4 is plural, and the plurality of cutters 4 are provided at intervals in the circumferential direction of the holder assembly 1. Wherein, a plurality of cutters 4 and a plurality of discharge assemblies 2 are alternately arranged at intervals. This arrangement is advantageous for improving the machining efficiency of the cutter.
It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present application. Furthermore, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing is illustrative of one or more embodiments provided in connection with the detailed description and is not intended to limit the disclosure to the particular forms disclosed. Similar or identical methods, structures, etc. as used herein, or several technical inferences or substitutions made on the concept of the present application should be considered as the scope of the present application.
Claims (10)
1. The electric discharge milling composite cutter with the oblique push type electrode capable of automatically compensating the electric discharge gap comprises a cutter holder assembly (1) and is characterized in that the cutter holder assembly (1) is provided with an electric discharge assembly (2), a piezoelectric assembly (301) and a push rod (302), and the push rod (302) is driven by the piezoelectric assembly (301) to rotate and push the electric discharge assembly (2) obliquely so that the electric discharge assembly (2) moves close to or far away from a workpiece.
2. The oblique-push type electrode automatic discharge gap compensation discharge milling composite tool according to claim 1, characterized in that the piezoelectric assembly (301) comprises a fixed seat (3011) arranged on the tool holder assembly (1) and a piezoelectric ceramic (3012) arranged on the fixed seat (3011).
3. The composite electric discharge milling tool with the oblique pushing type electrode for automatically compensating the electric discharge gap as claimed in claim 2, wherein the push rod (302) is formed with a hinge portion (3023) hinged with the tool holder assembly (1) and a second pushing portion (3024) abutting against the telescopic end of the piezoelectric ceramic (3012), and the push rod (302) pushes the electric discharge assembly (2) obliquely to move the electric discharge assembly (2) when swinging.
4. The oblique-push type electrode automatic discharge gap compensation discharge milling composite tool according to claim 1, characterized in that the discharge assembly (2) comprises a mounting seat (201) capable of sliding relative to the tool holder assembly (1) and an electrode plate (202) arranged in the mounting seat (201).
5. The composite electric discharge milling tool with the oblique-push type electrode for automatically compensating the electric discharge gap according to claim 4, characterized in that one of the tool holder assembly (1) and the mounting seat (201) is provided with a guide chute (6), and the other one of the tool holder assembly and the mounting seat is provided with a slide block (7) in sliding fit with the guide chute (6).
6. The oblique-pushing type electrode discharge milling composite tool capable of automatically compensating the discharge gap according to claim 5, wherein an elastic member (8) elastically pressing the mounting seat (201) towards the push rod (302) is arranged in the guide chute (6).
7. The oblique-pushing type electrode discharge milling composite tool capable of automatically compensating the discharge gap according to claim 1, wherein the tool apron assembly (1) is provided with two first positioning rods (9), and the two first positioning rods (9) are oppositely arranged at the left side and the right side of the moving direction of the discharge assembly (2).
8. The oblique-push type electrode automatic discharge gap compensation discharge milling composite tool according to claim 1, wherein two second positioning rods (10) are arranged on the tool apron assembly (1), and the two second positioning rods (10) are oppositely arranged in the swinging direction of the push rod (302).
9. The oblique-pushing type electrode discharge milling composite tool capable of automatically compensating the discharge gap according to claim 1, wherein an insulating sleeve (11) capable of rotating relative to the tool holder assembly (1) is sleeved on the tool holder assembly (1), a plurality of conductive assemblies (12) are fixedly arranged on the insulating sleeve (11), and the plurality of conductive assemblies (12) are connected through a connecting assembly (13).
10. The composite electric discharge milling tool with the slant-push type electrode for automatically compensating the electric discharge gap according to claim 9, wherein the conductive assembly (12) comprises a metal sleeve (121) sleeved on the insulating sleeve (11) and an electric brush (122) sleeved on the metal sleeve (121), the connecting assembly (13) comprises a plurality of connecting pressing pieces (131) and connecting rods (132) connected with the plurality of connecting pressing pieces (131), and the connecting pressing pieces (131) are connected with the electric brush (122).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121264161.3U CN215091163U (en) | 2021-06-07 | 2021-06-07 | Oblique push type electrode automatic compensation discharge gap discharge milling composite cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121264161.3U CN215091163U (en) | 2021-06-07 | 2021-06-07 | Oblique push type electrode automatic compensation discharge gap discharge milling composite cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215091163U true CN215091163U (en) | 2021-12-10 |
Family
ID=79304087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121264161.3U Active CN215091163U (en) | 2021-06-07 | 2021-06-07 | Oblique push type electrode automatic compensation discharge gap discharge milling composite cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215091163U (en) |
-
2021
- 2021-06-07 CN CN202121264161.3U patent/CN215091163U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113369614B (en) | Automatic electrode gap compensation method and system for discharge milling composite cutter | |
| CN113263234A (en) | Discharge milling composite cutter for discharge compensation clearance | |
| CN216938834U (en) | Discharge milling composite cutter for discharge compensation clearance | |
| CN103780142A (en) | Large-load high-accuracy inchworm type piezoelectric linear actuator based on wedge clamping | |
| CN115302027A (en) | Automatic electrode gap compensation method for discharge milling composite cutter | |
| CN215091163U (en) | Oblique push type electrode automatic compensation discharge gap discharge milling composite cutter | |
| CN111854663A (en) | Piezoelectric thread driving type one-dimensional positioning platform | |
| CN216138251U (en) | Discharging milling composite cutter with direct-push type electrode for automatically compensating discharging gap | |
| CN104923469A (en) | Two-dimensional vibration device based on different placing directions of piezoelectric ceramic shorn pieces | |
| CN104014889A (en) | Precise electrode feeding device and working method thereof | |
| CN104759896A (en) | Power head assembly and four-degree-of-freedom fine adjustment base | |
| Shafik et al. | A linear piezo-electric ultrasonic motor using a single flexural vibrating bar for electro-discharge system industrial applications | |
| CN112222439B (en) | Large-bearing ultra-precise rapid machining positioning table | |
| CN112737401B (en) | Alternate rowing type piezoelectric linear motor | |
| CN115194194A (en) | Double-drive type double-freedom-degree large-stroke fast tool servo device | |
| CN210589272U (en) | Two-degree-of-freedom macro-micro precision positioning platform device | |
| CN201002185Y (en) | Lathe micro-feeding device | |
| CN102671852B (en) | Ultrasonic power supply device for hydraulic turret of numerical control machine tool | |
| CN117020343B (en) | Fixing device of linear cutting machine | |
| CN217195931U (en) | Electric leveling device for sintered substrate | |
| CN110415761B (en) | Compact two-dimensional micro-nano servo platform | |
| CN110587552A (en) | Rotary moving workbench | |
| CN213366996U (en) | Rotor commutator | |
| CN216904648U (en) | Motion module and motion device with same | |
| CN117008270B (en) | Leveling focusing mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |