CN113894373B - Constant-force electrolytic grinding device - Google Patents
Constant-force electrolytic grinding device Download PDFInfo
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- CN113894373B CN113894373B CN202111010755.6A CN202111010755A CN113894373B CN 113894373 B CN113894373 B CN 113894373B CN 202111010755 A CN202111010755 A CN 202111010755A CN 113894373 B CN113894373 B CN 113894373B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H5/00—Combined machining
- B23H5/06—Electrochemical machining combined with mechanical working, e.g. grinding or honing
- B23H5/08—Electrolytic grinding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H5/00—Combined machining
- B23H5/14—Supply or regeneration of working media
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
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Abstract
The invention discloses a constant-force electrolytic grinding processing device, which comprises an upper connecting flange connected with a machine, wherein a lower mounting platform is arranged below the upper connecting flange, a gap adjusting assembly is arranged between the upper connecting flange and the lower mounting platform, a lower servo motor, a current detection module and a power supply module are arranged below the lower mounting platform, and the output end of the lower servo motor is connected with an electrolytic grinding tool; the negative electrode of the power supply module is connected with the electrolytic grinding tool, the positive electrode of the power supply is connected with a workpiece to be processed, and the electrolytic grinding tool, the workpiece and electrolyte flowing through the electrolytic grinding tool and the workpiece form a conductive loop; when the electrolytic grinding tool grinds the workpiece, the current detection module detects current in the conductive loop, and the gap adjusting assembly adjusts a machining gap between the electrolytic grinding tool and the workpiece according to the current. The invention is convenient for fine adjustment grinding control of the workpiece by adjusting the machining clearance so as to fulfill the aim of controlling constant contact force.
Description
Technical Field
The invention relates to the technical field of grinding devices, in particular to a constant-force electrolytic grinding device.
Background
With the development of the fields of aerospace, automobiles, energy sources and the like, more and more workpieces are complex, the workpieces are difficult to process, and how to improve the surface quality of the workpieces and ensure the efficient processing and manufacturing of the workpieces becomes a key technology which needs to be solved urgently in the related fields. At present, the manual grinding method is mostly adopted for the workpieces, but the consistency of the processing quality of the manual grinding is poor, and the grinding precision and the production efficiency need to be improved.
Disclosure of Invention
In view of the above, the present invention is directed to a constant-force electrolytic grinding apparatus, which is designed to solve all or one of the problems of the related art.
Based on the above purpose, the invention provides a constant force electrolytic grinding processing device, which comprises an upper connecting flange used for being connected with a machine, wherein a lower mounting table is arranged below the upper connecting flange, a gap adjusting component is arranged between the upper connecting flange and the lower mounting table,
a lower servo motor, a current detection module and a power supply module are arranged below the lower mounting table, and the output end of the lower servo motor is connected with an electrolytic grinding tool;
the negative electrode of the power supply module is connected with the electrolytic grinding tool, the positive electrode of the power supply is connected with a workpiece to be machined, and the electrolytic grinding tool, the workpiece and electrolyte flowing through the electrolytic grinding tool and the workpiece form a conductive loop;
When the electrolytic grinding tool grinds the workpiece, the current detection module detects current in the conductive loop, and the gap adjusting assembly adjusts a machining gap between the electrolytic grinding tool and the workpiece according to the current.
Optionally, the current in the conductive loop is inversely proportional to the machining gap,
wherein I is the current density of the micro-area of the anode surface in the processing area of the workpiece, I is the current in the conductive loop, Delta is the processing gap, U R Is the ohmic drop of the electrolyte, κ is the conductivity of the electrolyte, dS is the anodic surface micro-area of the processing zone on the workpiece, R is the resistance of the electrolyte, and
optionally, the gap adjusting assembly comprises a lifting piece connected with the upper connecting flange, the lifting piece is connected with an upper connecting plate, the lower mounting table is arranged below the upper connecting plate, and the gap adjusting assembly controls the electrolytic grinding tool connected below the lower mounting table to move up and down to control the machining gap according to the lifting piece.
Optionally, the lifting member includes a servo motor connected to the upper connecting flange, an output end of the upper servo motor is connected to a ball screw through a coupling, a sliding nut pair is arranged on the ball screw, a guide member is arranged on one side of the ball screw, and the guide member is movably connected to the upper connecting plate fixedly connected to the ball screw.
Optionally, the guide member includes a spline shaft, a spline sleeve connected to the upper connecting plate is connected to the spline shaft, and the spline sleeve is connected to the sliding nut pair through a connecting plate.
Optionally, the upper connecting plate is connected to a lower connecting plate through at least one extension spring, and a force sensor is arranged between the lower mounting table and the lower connecting plate.
Optionally, a sealing cover is arranged outside the gap adjusting assembly, and the extension spring is located in the sealing cover.
Optionally, the output end of the lower servo motor is connected with the electrolytic grinding tool through a rotating shaft, the current detection module comprises a current detector connected with the upper connecting plate, a conductive slip ring is arranged on the rotating shaft, a carbon brush connected with the current detector is arranged in the conductive slip ring, and the current detection module detects current in the conductive loop through the carbon brush connected with the current detector.
Optionally, a carbon brush fixing device is fixedly arranged below the lower servo motor, and the carbon brush is placed on the carbon brush fixing device.
Optionally, a chuck is connected to the lower portion of the carbon brush fixing device, at least two clamping jaws are arranged on the chuck, a plurality of roller bearings are arranged between the clamping jaws in a clamped mode, and the roller bearings are sleeved on the outer side of the electrolytic grinding tool.
From the above, in the constant-force electrolytic grinding device provided by the invention, the lower servo motor is started to drive the electrolytic grinding tool to grind a workpiece to be processed, in addition, the electrolytic grinding tool is connected with the negative pole of the power module, the workpiece is connected with the positive pole of the power supply, and during grinding, electrolyte is sprayed between the electrolytic grinding tool and the workpiece, so that a conductive loop is formed between the electrolytic grinding tool and the workpiece to be processed, and further electrolytic grinding processing on the workpiece is realized, in addition, the current detection module detects the current in the conductive loop formed by the electrolyte flowing through the electrolytic grinding tool and the workpiece, the gap adjusting component adjusts the processing gap between the electrolytic grinding tool and the workpiece according to the current, the processing gap is adjusted, so that fine-adjustment grinding control can be conveniently carried out on the workpiece, and the purpose of controlling constant contact force can be completed, the grinding precision, the surface quality and the production efficiency of the workpiece are improved conveniently.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an embodiment of the present invention.
In the figure: the device comprises an upper connecting flange 1, a spline shaft 2, an upper servo motor 3, a coupler 4, a sliding nut pair 5, a ball screw 6, a screw rod mounting frame 7, a connecting plate 8, a spline sleeve 9, a sealing cover 10, an upper connecting plate 11, a current detector 12, a hexagon head bolt 13, an extension spring 14, a lower connecting plate 15, a force sensor 16, a lower mounting table 17, a cable 18, a bolt 19, a lower servo motor 20, a carbon brush 21, a lower connecting flange 22, a chuck 23, a clamping claw 24, a roller bearing 25, an electrolytic grinding tool 26, a conductive slip ring 27 and a carbon brush fixing device 28.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
It is to be noted that technical terms or scientific terms used in the embodiments of the present invention should have the ordinary meanings as understood by those having ordinary skill in the art to which the present disclosure belongs, unless otherwise defined. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
A constant-force electrolytic grinding device comprises an upper connecting flange 1 used for being connected with a machine, wherein a lower mounting table 17 is arranged below the upper connecting flange 1, a gap adjusting assembly is arranged between the upper connecting flange 1 and the lower mounting table 17, a lower servo motor 20, a current detection module and a power supply module are arranged below the lower mounting table 17, and the output end of the lower servo motor 20 is connected with an electrolytic grinding tool 26;
the negative pole of the power supply module is connected with the electrolytic grinding tool 26, the positive pole of the power supply is connected with a workpiece to be machined, and the electrolytic grinding tool, the workpiece and electrolyte flowing through the electrolytic grinding tool 26 and the workpiece form a conductive loop;
wherein, when the electrolytic grinding tool 26 grinds the workpiece, the current detection module detects the current in the conductive loop, and the gap adjusting component adjusts the machining gap between the electrolytic grinding tool 26 and the workpiece according to the current.
The lower servo motor 20 is started to drive the electrolytic grinding tool 26 to grind a workpiece to be machined, in addition, the electrolytic grinding tool 26 is connected with the negative electrode of the power module, the workpiece is connected with the positive electrode of the power supply, and during grinding, electrolyte is sprayed between the electrolytic grinding tool 26 and the workpiece, so that a conductive loop is formed between the electrolytic grinding tool 26 and the workpiece to be machined, so that electrolytic grinding of the workpiece 2 is realized, the current detection module detects current flowing through the electrolytic grinding tool 26 and the conductive loop formed by the electrolyte of the workpiece, the gap adjusting component adjusts a machining gap between the electrolytic grinding tool 26 and the workpiece according to the current, and the machining gap is adjusted so as to carry out fine adjustment grinding control on the workpiece, so that the purpose of controlling constant contact force is achieved.
A processing table connected with a machine is arranged below the electrolytic grinding tool 26, the processing table is connected with a conductive placing table through a second insulating piece, the workpiece is placed on the conductive placing table, electrolyte is sprayed between the electrolytic grinding tool 26 and the workpiece, the machine controls the current in a conductive loop in electrolytic grinding to play a role of coarse adjustment, and a gap adjusting component adjusts a processing gap between the electrolytic grinding tool 26 and the workpiece to fine adjust so as to achieve the purpose of controlling constant contact force.
The electrolytic grinding tool 26 is generally a grinding wheel, a certain machining gap is formed between the surface of a workpiece and a conductive base body of the grinding wheel by a non-conductive grinding material protruding out of the surface of the grinding wheel, electrolyte is supplied into the machining gap, under the action of direct current supplied by a power supply module, metal on the surface of the workpiece generates ionic compounds due to electrolytic action, and the electrolytic products are continuously scraped by the rotating grinding wheel, so that a new metal surface is exposed, electrolytic action is continuously generated, and the material of the workpiece is continuously removed, so that the grinding purpose is achieved.
The current I in the conductive loop is proportional to the contact force,
the resistance R of the electrolyte is as follows:
the formula I is as follows:
wherein dS is the micro-area of the anode surface of the processing area on the workpiece, and delta is the processing gap;
the current density i of the micro area of the anode surface is as follows:
the formula II is as follows:
wherein, U R Is the ohmic drop of the electrolyte.
According to the first formula and the second formula, the inverse relation between the current in the conductive circuit and the machining gap is obtained, the machining gap is inversely proportional to the contact force, the direct relation between the current in the conductive circuit and the contact force between the electrolytic grinding tool 26 and the workpiece during grinding is obtained, the current in the conductive circuit is fed back, the machining gap is adjusted according to the feedback gap adjusting component, the workpiece grinding control is conveniently compensated, the position of the electrolytic grinding tool 26 is adjusted to compensate, and the contact force is recovered to be constant.
As an optional embodiment, the gap adjusting assembly includes a lifting member connected to the upper connecting flange 1, the lifting member is connected to an upper connecting plate 11, the lower mounting table 17 is disposed below the upper connecting plate 11, the gap adjusting assembly controls the lifting movement of the upper connecting plate 11 according to the lifting member, controls the lifting movement of the electrolytic grinding tool 26 connected below the lower mounting table 17 to control the machining gap, and achieves the purpose of controlling the constant contact force through fine adjustment.
In order to facilitate the control of the lifting movement of the upper connecting plate 11, the lifting piece comprises a servo motor 3 connected with the upper connecting flange 1, the output end of the upper servo motor 3 is connected with a ball screw 6 through a coupler 4, a sliding nut pair 5 is arranged on the ball screw 6, a screw mounting rack 7 is arranged on one side of the ball screw 6, a guide piece is arranged on one side of the ball screw 6, the guide piece is movably connected with the ball screw 6 fixedly connected with the upper connecting plate 11, the upper servo motor 3 is started to drive the ball screw 6 to rotate, and then the sliding nut pair 5 is driven to lift and move, so that the control of the lifting movement of the upper connecting plate 11 is facilitated.
Optionally, in order to facilitate guiding to limit the lifting of the upper connecting plate 11, the guide member includes a spline shaft 2, a spline sleeve 9 connected to the upper connecting plate 11 is connected to the spline shaft 2, and the spline sleeve 9 is connected to the sliding nut pair 5 through a connecting plate 8.
Optionally, in order to facilitate guiding to limit the lifting of the upper connecting plate 11, the guide includes a guide rail, a sliding sleeve block connected to the upper end of the upper connecting plate 11 is slidably connected to the guide rail, and the sliding sleeve block is connected to the sliding nut pair 5.
Optionally, in order to facilitate control of the lifting and lowering of the upper connecting plate 11, the lifting part includes a driving telescopic rod connected to the connecting frame, a telescopic end of the driving telescopic rod is connected to the upper connecting plate 11, the driving telescopic rod is driven to facilitate driving the upper connecting plate 11 to be close to or away from the force sensor 16, and the lifting and lowering of the upper connecting plate 11 are facilitated to be controlled.
Optionally, the upper connecting plate 11 is connected with a lower connecting plate 15 through at least one extension spring 14, the upper connecting plate 11 and the extension spring 14 are mounted together through a hexagon bolt 13, a force sensor 16 is arranged between the lower mounting table 17 and the lower connecting plate 15, the lifting piece controls the upper connecting plate 11 to move up and down, so that the lower connecting plate 15 connected with the upper connecting plate 11 is controlled to move up and down, the electrolytic grinding tool 26 connected under the lower mounting table 17 is convenient to move up and down, when the lower connecting plate 15 connected with the upper connecting plate 11 moves down, the lower end of the electrolytic grinding tool 26 contacts with a workpiece, the lower connecting plate 15 moves down to press the workpiece to the force sensor 16, and the electrolytic grinding tool 26 connected under the lower mounting table 17 is controlled to press the workpiece downwards to grind.
Optionally, a sealing cover 10 is arranged outside the gap adjusting assembly, the extension spring 14 is located in the sealing cover 10, and the sealing cover 10 is convenient for the gap adjusting assembly not to be damaged, so as to prevent other factors affecting the gap adjusting assembly.
As an alternative embodiment, a connecting flange 22 is arranged below the lower mounting platform 17, and the connecting flange 22 is connected with the housing of the lower servo motor 20 through four bolts 19, four hexagonal head nuts 13 and a washer, so that the lower mounting platform 17 is fixedly connected with the lower servo motor 20.
As an alternative embodiment, the output end of the lower servo motor 20 is connected with the electrolytic grinding tool 26 through a rotating shaft, the output end of the lower servo motor 20 is connected with the rotating shaft through a first insulating member, the current detection module includes a current detector 12 connected with the upper connecting plate 11, a conductive slip ring 27 is disposed on the rotating shaft, a carbon brush 21 connected with the current detector 12 through a cable 18 is disposed in the conductive slip ring 27, the carbon brush 21 is connected with the cable 18 through a spring, the current detection module detects the current of the rotating shaft through the carbon brush 21 connected with the current detector 12 to detect the current in a conductive loop, the rotating shaft is electrically connected with an electrolyte, the carbon brush 21 detects the current of the conductive slip ring 27 on the rotating shaft, that is, detects the circuit on the conductive loop, the current detecting module detects the current in the conductive loop by detecting the current of the rotating shaft through the carbon brush 21 to which the current detector 12 is connected.
In order to fix the carbon brush conveniently, a carbon brush fixing device 28 is fixedly arranged below the lower servo motor 20, the carbon brush 21 is placed on the carbon brush fixing device 28, the carbon brush fixing device 28 plays a role of supporting and fixing the carbon brush 21, the carbon brush fixing device 28 is cylindrical, a placing opening is formed in the carbon brush fixing device 28, the carbon brush 21 is placed in the placing opening, and the carbon brush fixing device 28 is sleeved on the outer side of the rotating shaft.
In order to facilitate the grinding, the electrolytic grinding tool 26 is located at the central position, the electrolytic grinding tool 26 is prevented from deviating, the chuck 23 is connected below the carbon brush fixing device 28, the carbon brush fixing device 28 passes through the hexagon socket head cap screw and the chuck, at least two clamping jaws are arranged on the chuck 23, a plurality of roller bearings are arranged between the clamping jaws in a clamping mode, the roller bearings are sleeved on the outer side of the electrolytic grinding tool 26, the electrolytic grinding tool 26 is located at the central position when a workpiece is ground, the electrolytic grinding tool 26 is prevented from deviating, and the grinding quality of the workpiece is influenced.
In addition, the negative pole of the power module is connected with the rotating shaft through a brush.
In the embodiment of the invention, the workpiece is placed on the conductive placing table of the machine, the lower servo motor 20 is started to drive the electrolytic grinding tool 26 to grind the workpiece to be processed, in addition, the electrolytic grinding tool 26 is connected to the negative electrode of the power module through the rotating shaft, the workpiece is connected to the positive electrode of the power module through the conductive placing table, and at the time of grinding treatment, electrolyte is sprayed between the electrolytic grinding tool 26 and the workpiece, so that a conductive circuit is formed between the electrolytic grinding tool 26 and the workpiece to be processed, thereby realizing the electrolytic grinding treatment of the workpiece 2, the current detection module detects the current in a conductive loop formed by the electrolytic grinding tool 26 and the electrolyte of the workpiece, the machine controls the current in the conductive loop in the electrolytic grinding to play a role of coarse adjustment, the machining gap between the electrolytic grinding tool 26 and the workpiece is fine-tuned by the gap adjustment assembly for the purpose of controlling the constant contact force.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the spirit of the present disclosure, features from the above embodiments or from different embodiments may also be combined, steps may be implemented in any order, and there are many other variations of different aspects of one or more embodiments of the present description as described above, which are not provided in detail for the sake of brevity.
It is intended that the one or more embodiments of the present specification embrace all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of one or more embodiments of the present disclosure are intended to be included within the scope of the present disclosure.
Claims (10)
1. The constant-force electrolytic grinding device is characterized by comprising an upper connecting flange (1) connected with a machine, a lower mounting table (17) is arranged below the upper connecting flange (1), a gap adjusting assembly is arranged between the upper connecting flange (1) and the lower mounting table (17),
A lower servo motor (20), a current detection module and a power supply module are arranged below the lower mounting table (17), and the output end of the lower servo motor (20) is connected with an electrolytic grinding tool (26);
the negative pole of the power supply module is connected with the electrolytic grinding tool (26), the positive pole of the power supply is connected with a workpiece to be machined, and the electrolytic grinding tool, the workpiece and electrolyte flowing through the electrolytic grinding tool (26) and the workpiece form a conductive loop;
when the electrolytic grinding tool (26) grinds the workpiece, the current detection module detects current in the conductive circuit, and the gap adjusting assembly adjusts the machining gap between the electrolytic grinding tool (26) and the workpiece according to the current.
2. The constant-force electrolytic grinding apparatus according to claim 1, wherein the current in the conductive circuit is inversely proportional to the machining gap,
wherein I is the current density of the micro-area of the anode surface in the processing area of the workpiece, I is the current in the conductive loop, Delta is the processing gap, U R Is the ohmic drop of the electrolyte, κ is the conductivity of the electrolyte, dS is the anodic surface micro-area of the processing zone on the workpiece, R is the resistance of the electrolyte, and 
3. The constant-force electrolytic grinding machining device according to claim 1, wherein the gap adjusting assembly comprises a lifting piece connected with the upper connecting flange (1), an upper connecting plate (11) is connected with the lifting piece, the lower mounting table (17) is arranged below the upper connecting plate (11), and the gap adjusting assembly controls the lifting movement of the upper connecting plate (11) according to the lifting piece and controls the lifting movement of an electrolytic grinding tool (26) connected below the lower mounting table (17) to control the machining gap.
4. The constant-force electrolytic grinding machining device according to claim 3, wherein the lifting piece comprises an upper servo motor (3) connected with the upper connecting flange (1), the output end of the upper servo motor (3) is connected with a ball screw (6) through a coupler (4), a sliding nut pair (5) is arranged on the ball screw (6), a guide piece is arranged on one side of the ball screw (6), and the upper connecting plate (11) fixedly connected with the ball screw (6) is movably connected onto the guide piece.
5. The constant-force electrolytic grinding machining device according to claim 4, wherein the guide member comprises a spline shaft (2), a spline sleeve (9) connected with the upper connecting plate (11) is connected to the spline shaft (2), and the spline sleeve (9) is connected with the sliding nut pair (5) through a connecting plate (8).
6. A constant-force electrolytic grinding machining device according to any one of claims 3 to 5, characterized in that the upper attachment plate (11) is connected to a lower attachment plate (15) by means of at least one tension spring (14), and a force sensor (16) is arranged between the lower mounting table (17) and the lower attachment plate (15).
7. The constant-force electrolytic grinding machining device according to claim 6, wherein a sealing cover (10) is provided outside the gap adjusting assembly, and the extension spring (14) is located inside the sealing cover (10).
8. The constant-force electrolytic grinding machining device according to claim 1, wherein the output end of the lower servo motor (20) is connected with the electrolytic grinding tool (26) through a rotating shaft, the current detection module comprises a current detector (12) connected with the upper connecting plate (11), a conductive slip ring (27) is arranged on the rotating shaft, a carbon brush (21) connected with the current detector (12) is arranged in the conductive slip ring (27), and the current detection module detects the current in a conductive loop through the carbon brush (21) connected with the current detector (12).
9. The constant-force electrolytic grinding machining device according to claim 8, wherein a carbon brush fixing device (28) is fixedly provided below the lower servo motor (20), and the carbon brush (21) is placed on the carbon brush fixing device (28).
10. The constant-force electrolytic grinding machining device according to claim 9, wherein a chuck (23) is connected below the carbon brush fixing device (28), at least two jaws are arranged on the chuck (23), and a roller bearing is clamped between the jaws and sleeved outside the electrolytic grinding tool (26).
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| CN111168173A (en) * | 2020-01-10 | 2020-05-19 | 安徽工业大学 | Positive flow type movable mould plate electrolytic grinding composite processing method and device |
| CN111843067A (en) * | 2020-08-10 | 2020-10-30 | 厦门理工学院 | Pulse power supply and pulse modulation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7686935B2 (en) * | 1998-10-26 | 2010-03-30 | Novellus Systems, Inc. | Pad-assisted electropolishing |
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| CA2285169A1 (en) * | 1998-10-14 | 2000-04-14 | Nissin Unyu Kogyo Co., Ltd. | Method for mirror process of external surface of long sized metal |
| JP2001322036A (en) * | 2000-03-09 | 2001-11-20 | Sony Corp | Grinding device |
| CN101254559A (en) * | 2008-04-08 | 2008-09-03 | 哈尔滨工业大学 | Numerical control electrospark wire-electrode cutting processing gapping place crest voltage regulating device |
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| CN111168173A (en) * | 2020-01-10 | 2020-05-19 | 安徽工业大学 | Positive flow type movable mould plate electrolytic grinding composite processing method and device |
| CN111843067A (en) * | 2020-08-10 | 2020-10-30 | 厦门理工学院 | Pulse power supply and pulse modulation method |
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