CN1844475A - Revolving parts electroforming process and device - Google Patents

Revolving parts electroforming process and device Download PDF

Info

Publication number
CN1844475A
CN1844475A CN 200610039167 CN200610039167A CN1844475A CN 1844475 A CN1844475 A CN 1844475A CN 200610039167 CN200610039167 CN 200610039167 CN 200610039167 A CN200610039167 A CN 200610039167A CN 1844475 A CN1844475 A CN 1844475A
Authority
CN
China
Prior art keywords
electroforming
negative electrode
revolving parts
hard particles
anode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN 200610039167
Other languages
Chinese (zh)
Other versions
CN100510196C (en
Inventor
朱荻
朱增伟
曲宁松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing University of Aeronautics and Astronautics
Original Assignee
Nanjing University of Aeronautics and Astronautics
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nanjing University of Aeronautics and Astronautics filed Critical Nanjing University of Aeronautics and Astronautics
Priority to CNB2006100391674A priority Critical patent/CN100510196C/en
Publication of CN1844475A publication Critical patent/CN1844475A/en
Application granted granted Critical
Publication of CN100510196C publication Critical patent/CN100510196C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Electroplating Methods And Accessories (AREA)

Abstract

This invention relates to a body of revolution accessory electroforming processing method and device, which belongs to electroforming processing field. The character of this method as follows: in the electroforming liquid, adding hard particles; during the electroforming, making the hard particles do compound movement continuously to remove the attaching bubble and nubble of the deposition surface effectively by the friction, wherein the friction is to the electroforming surface form the hard particles; and the compound movement of the hard particles comes from two parts: one is the rotating movement of the cathode, the other is the vibrating of the cathode basket. The device of this invention is mainly includes: cathode rotating driving device, cathode basket vibrating driving device, temperature controlling device, electroforming liquid filtering cycle fluid supply system. This electroforming material produced by this invention has high quality.

Description

Revolving parts electroforming process and device
Technical field
Revolving parts electroforming process of the present invention and device belong to the electroforming manufacture field.
Background technology
Electroforming is to utilize metal ion to carry out part forming processing in the principle of cathode surface galvanic deposit, has very high accuracy of repetition and repeatable accuracy.As a kind of accurate physical process method, the electrotyping process technology successfully has been applied to the manufacturing of precision, abnormal shape, part such as fine, as rocket nozzle, broken first cavity liner, edm electrode, Mikro-mechanical component, aviation microsensor, miniature corrugated tube, precision die etc.
In the electroforming process, along with the deposition of metal ion, have gas such as hydrogen and separate out, and be trapped in cathode surface with the form of bubble from cathode surface, hinder metal deposition, cause cast(ing) surface defectives such as pit, pin hole to occur; Because the influence of point discharge effect and impurity, cast layer surface and edge are easy to generate defectives such as buildup, burr, make electroformed layer homogeneity variation.Above defective can be aggravated gradually along with the carrying out of electroforming process.The former descends the physics of electroformed layer, mechanical property, finally causes the appearance of waste product; The latter makes electric field concentrate on the part of projections such as buildup and burr, and whole sedimentation velocity descends, and finally causes the electroforming process to be difficult to continue.Owing to be subjected to the restriction of limit current density and above-mentioned defective, electroforming process adopts lower current density and long production cycle to obtain fine and close electroformed layer and qualified part usually.
People have adopted many methods to improve electroforming process in production practice and experimental study, as selecting formulation of electroforming solution, improve the temperature of electroforming solution, change stirring velocity and mode, at a high speed towards liquid, and cathode motion etc., but effect is unsatisfactory.Particularly for the electroforming processing of revolving parts, normal in practice the employing interrupted the electroforming process, removes surperficial buildup and burr by mechanical workout, carries out the sedimentary method of secondary after the polishing.Often there are defectives such as crack even layering in the electroformed layer that this method obtains, makes the part degradation.
Summary of the invention
The objective of the invention is at the revolving parts electroforming time in the prior art present situations such as long and surface quality is undesirable, a kind of revolving parts electroforming process and device are provided, and successive sedimentation goes out the qualified part of surfacing light, dense structure at a relatively high speed.
A kind of revolving parts electroforming process is characterized in that comprising following process:
(1), make anode, negative electrode, guarantee that the anode inner side profile is a desired shape, negative electrode and anodic spacing determine that according to the wall thickness of part the while anode position can onlinely be regulated in deposition process;
(2), in electroforming solution, add water-fast non-conductive hard particles;
(3), make hard particles make compound motion continuously, by the friction of hard particles, remove the absorption bubble and the buildup of deposition surface effectively to the electroformed layer surface;
(4), make the electroforming solution filtration cycle, by electroforming solution filtration cycle system and make electroforming solution along from top to bottom or direction from bottom to top flow through between negative electrode and the anode;
(5), control the temperature of electroforming solution by temperature control system.
Described hard particles Mohs' hardness is 7～10, and density is 2～5g/cm 3The continuous compound motion of described hard particles, power are from two aspects: the one, and the rotatablely moving of negative electrode, the 2nd, the vibration of negative electrode basket.The vibration of described negative electrode basket is controlled by vibration source, and vibration source is mechanical type or electromagnetic type.
A kind of revolving parts electroforming processing unit (plant) comprises the electroforming system that is made up of power supply, negative electrode, anode, electroforming solution, it is characterized in that:
(1), contain in the described electroforming solution that hardness is big, density is greater than non-conductive tiny hard particles electroforming solution density, water-fast;
(2), described revolving parts electroforming processing unit (plant) also comprises the drive unit of negative electrode rotation, this device is made up of with the transmission mechanism that is connected negative electrode motor;
(3), described negative electrode and described electroforming solution place in the negative electrode frame, described revolving parts electroforming processing unit (plant) also comprise a negative electrode basket vibration drive unit, this device is mechanical type or electromagnetic type;
(4), described revolving parts electroforming processing unit (plant) also comprises a temperature control unit of being made up of temperature controller and well heater;
(5), described revolving parts electroforming processing unit (plant) also comprises an electroforming solution filtration cycle liquid-supplying system of being made up of magnetic drive pump, strainer, surplus valve, ball valve and reservoir.
Can be designed to following structure for the negative electrode anode: described anode is the granular metal grain, be divided into corresponding several groups by the individual independently anode basket of 3-8, homodisperse is arranged in around the described negative electrode, anode basket is embedded in around the negative electrode basket, its profile and cathode shape towards negative electrode one side matches, and constitutes the part of negative electrode basket sidewall, the position of anode basket, wall thickness according to part is determined, can onlinely regulate simultaneously.Described hard particles Mohs' hardness is 7～10, density is 2～5g/cm 3
Motor links to each other with the electroforming core by transmission mechanism, drives the core rotation; Core links to each other with power cathode by electric installation, places the particulate state anode of anode basket to link to each other with positive source.It is characterized in that:
1, in the electroforming process, utilize the hard particles triboelectricity cast layer surface make compound motion, removing the absorption bubble and the buildup on settled layer surface effectively, thereby improve the surface quality and the weave construction of electroformed layer; And the attenuate diffusion layer, improve limit current density and electroforming velocity, finally obtain the electroformed layer of dense structure, surfacing light;
2, the power of hard particles is from two aspects: the one, and the rotatablely moving of electroforming core, the 2nd, add vibration source; The stack of two kinds of motions impels hard particles to make the successive compound motion, makes its friction to the electroformed layer surface more even, effective.
3, electroforming solution filtration cycle liquid-supplying system is used for guaranteeing in time to supply with electroforming solution to the processing district sufficiently;
4, the well heater of temperature control unit control is used to keep the homo(io)thermism of electroforming solution
5, constitute sedimentation unit by the adjustable anode basket in negative electrode basket and position independently, can be applicable to differently contoured and part wall thickness.Said apparatus can not only effectively be removed the defectives such as pit, pore and buildup on electroformed layer surface, deposits the electroformed layer of even compact with higher speed, and can disposable incessantly shaping different shapes and the revolving parts of wall thickness.
Therefore, adopt above-mentioned electroforming process and device, can prepare the electroforming material of homogeneous microstructure densification, surfacing light and the revolving parts that disposable electrotyping process many (respectively) is planted shape and wall thickness with fast speeds.
Description of drawings
Fig. 1 is a revolving parts electroforming processing unit (plant) structural representation.
Fig. 2 is the sedimentation unit structural representation.Wherein figure (a) is the sedimentation unit front view, and figure (b) is the sedimentation unit vertical view.
Label title among Fig. 1: 1, motor, 2, the electroforming core, 3, bed piece, 4, liquid spill-way, 5, negative electrode basket, 6, anode, 7, anode basket, 8, top, 9, vibration source, 10, negative electrode basket base plate, 11, hard particles, 12, electric installation, 13, the electroforming power supply, 14, temperature control unit, 15, well heater, 16, reservoir, 17, magnetic drive pump, 18, strainer, 19, surplus valve, 20, ball valve
Embodiment
In conjunction with Fig. 1 and Fig. 2 apparatus structure of the present invention is described:
Fig. 1 is a revolving parts electroforming processing unit (plant) structural representation.Apparatus of the present invention comprise motor 1, bed piece 3, vibration source 9, electric installation 12, electroforming power supply 13, temperature control unit 14, well heater 15, reservoir 16, magnetic drive pump 17, strainer 18, ball valve 20, surplus valve 19.Be characterized in described electroforming process apparatus, comprise core 2 rotatablely move and the vibration acting in conjunction of negative electrode basket 5 in hard particles 11, make it make the successive compound motion, the electroformed layer surface is rubbed and disturbance uniformly; Constitute sedimentation unit by the adjustable anode basket 7 in negative electrode basket 5 and position independently, can be applicable to differently contoured and part wall thickness.
Fig. 2 is the sedimentation unit structural representation.Hard particles 11 is full of negative electrode basket 5, covered cathode, and be immersed in the electroforming solution fully; Particulate state anode 6 is contained in the anode basket 7, is embedded in around the negative electrode basket 5, and it constitutes the part of negative electrode basket sidewall towards negative electrode one side (inboard).
The hard particles 11 that adopts should be that hardness is bigger, Mohs' hardness 7～10, water-fast non-conductive particle, density 2～5g/cm 3Should be greater than the density of electroforming solution.Can be spherical, pearl and other erose particles, as Ceramic Balls, granulated glass sphere, abrasive particle etc., its size be determined according to the concrete shape and size of part.The anode profile, promptly the inboard profile of anode basket 7 is according to the negative electrode profile, utilizes inverse estimation method or equidistant method to try to achieve.
With a specific embodiment working method of the present invention is described below in conjunction with Fig. 1 and Fig. 2:
Core 2 adopts conductive material, processes as stainless steel, pure titanium, aluminium alloy etc., and its profile is consistent with the inner cavity size of electroforming part; According to the material and the physical dimension of part, select the kind and the size of solid particles; Negative electrode basket 5 and anode basket 7 are all made of insulating material such as synthetic glass, PVC or tetrafluoroethylene; Motor 1 drives core 2 rotations, and the installation way of core 2 is determined as the case may be, can adopt top 8 location.Vibration source 9 drives 5 vibrations of negative electrode basket.Electroforming solution by temperature control heating unit 14,15, keeps homo(io)thermism from cathode bottom or side feed flow, and circulating filtration; The electroforming process, with direct current or the pulse power 13 power supplies, hard particles 11 is made the successive compound motion under the drive of core 2 and negative electrode basket 5, to the electroformed layer surface rub, disturbance, to remove absorption bubble and buildup, improve crystal growth, obtain the electroformed layer of dense structure, grain refining; The attenuate diffusion layer improves electroforming velocity, the revolving parts of disposable electrotyping process different shape and wall thickness simultaneously.After electroformed layer reaches specific thickness, cut off the electricity supply 13, stop electroforming, core 2 is taken out, behind the cleaning-drying, the separating metal settled layer can obtain needed electroforming part or the blank that satisfies performance requriements.

Claims (7)

1, a kind of revolving parts electroforming process is characterized in that comprising following process:
(1), make anode, negative electrode, guarantee that the anode inner side profile is a desired shape, negative electrode and anodic spacing determine that according to the wall thickness of part the while anode position can onlinely be regulated in deposition process;
(2), in electroforming solution, add water-fast non-conductive hard particles;
(3), make hard particles make compound motion continuously, by the friction of hard particles, remove the absorption bubble and the buildup of deposition surface effectively to the electroformed layer surface;
(4), make the electroforming solution filtration cycle, by electroforming solution filtration cycle system and make electroforming solution along from top to bottom or direction from bottom to top flow through between negative electrode and the anode;
(5), control the temperature of electroforming solution by temperature control system.
2, revolving parts electroforming process according to claim 1 is characterized in that: described hard particles Mohs' hardness is 7～10, and density is 2～5g/cm 3
3, revolving parts electroforming process according to claim 1 and 2 is characterized in that: the continuous compound motion of described hard particles, power are from two aspects: the one, and the rotatablely moving of negative electrode, the 2nd, the vibration of negative electrode basket.
4, revolving parts electroforming process according to claim 3 is characterized in that: the vibration of described negative electrode basket is controlled by vibration source, and vibration source is mechanical type or electromagnetic type.
5, a kind of revolving parts electroforming processing unit (plant) comprises the electroforming system that is made up of power supply, negative electrode, anode, electroforming solution, it is characterized in that:
(1), contain in the described electroforming solution that hardness is big, density is greater than non-conductive tiny hard particles electroforming solution density, water-fast;
(2), described revolving parts electroforming processing unit (plant) also comprises the drive unit of negative electrode rotation, this device is made up of with the transmission mechanism that is connected negative electrode motor;
(3), described negative electrode and described electroforming solution place in the negative electrode frame, described revolving parts electroforming processing unit (plant) also comprise a negative electrode basket vibration drive unit, this device is mechanical type or electromagnetic type;
(4), described revolving parts electroforming processing unit (plant) also comprises a temperature control unit of being made up of temperature controller and well heater;
(5), described revolving parts electroforming processing unit (plant) also comprises an electroforming solution filtration cycle liquid-supplying system of being made up of magnetic drive pump, strainer, surplus valve, ball valve and reservoir.
6, revolving parts electroforming processing unit (plant) according to claim 5, it is characterized in that: described anode is the granular metal grain, be divided into corresponding several groups by the individual independently anode basket of 3-8, homodisperse is arranged in around the described negative electrode, and anode basket is embedded in around the negative electrode basket, and its profile and cathode shape towards negative electrode one side matches, and the part of formation negative electrode basket sidewall, the position of anode basket is determined according to the wall thickness of part, can onlinely regulate simultaneously.
7, according to claim 5 or 6 described revolving parts electroforming processing unit (plant)s, it is characterized in that: described hard particles Mohs' hardness is 7～10, density is 2～5g/cm 3
CNB2006100391674A 2006-03-29 2006-03-29 Revolving parts electroforming process and device thereof Expired - Fee Related CN100510196C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2006100391674A CN100510196C (en) 2006-03-29 2006-03-29 Revolving parts electroforming process and device thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2006100391674A CN100510196C (en) 2006-03-29 2006-03-29 Revolving parts electroforming process and device thereof

Publications (2)

Publication Number Publication Date
CN1844475A true CN1844475A (en) 2006-10-11
CN100510196C CN100510196C (en) 2009-07-08

Family

ID=37063444

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2006100391674A Expired - Fee Related CN100510196C (en) 2006-03-29 2006-03-29 Revolving parts electroforming process and device thereof

Country Status (1)

Country Link
CN (1) CN100510196C (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100560809C (en) * 2007-03-28 2009-11-18 南京航空航天大学 Column-shape revolving-body element external-surface micro-tissue electrolysic processing method
CN100567582C (en) * 2006-12-27 2009-12-09 南京航空航天大学 Electromoulding processing method for micro-structure on external surface of cylindrical revolving body element
CN101037777B (en) * 2007-01-30 2010-05-19 南京航空航天大学 Precise/ trickle electromoulding machine tool
CN101994137A (en) * 2010-12-15 2011-03-30 南京航空航天大学 Method and device for processing revolving parts by high-speed jet injection electroforming
CN102162117A (en) * 2011-03-24 2011-08-24 苏州市职业大学 Deposition process for improving compound quantity of nanoparticles in electric deposition
CN102586813A (en) * 2012-02-03 2012-07-18 河南理工大学 Microelectroforming machine tool
CN103243374A (en) * 2012-02-06 2013-08-14 昆山允升吉光电科技有限公司 Method capable of effectively increasing quality of electroforming plate
CN103255444A (en) * 2013-05-06 2013-08-21 南京航空航天大学 Rotation and electricity-leading device with rotary cathode and revolute pair immersed in electroforming solution
CN103556188A (en) * 2013-10-31 2014-02-05 常州华日升反光材料股份有限公司 Electroforming equipment
CN105108249A (en) * 2015-08-26 2015-12-02 南京航空航天大学 Electrolytic machining method for bamboo-like microstructures on surface of revolving body
CN105734618A (en) * 2015-12-14 2016-07-06 南京航空航天大学 Electroforming method of complex profile thin-wall revolved body part
CN106654500A (en) * 2016-10-26 2017-05-10 南京航空航天大学 Minimal metal rectangular waveguide electrochemical manufacturing method
CN108130571A (en) * 2017-12-22 2018-06-08 中国人民解放军陆军装甲兵学院 The method that copper alloy surface prepares high-temperature resistant nano crystalline substance nickel cobalt coating
CN113106510A (en) * 2021-04-09 2021-07-13 山东理工大学 Metal structural part machining device and machining method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1242617B (en) * 1990-12-20 1994-05-16 Azionaria Costruzioni Acma Spa EQUIPMENT FOR THE APPLICATION OF CAPS TO CONTAINERS.
CN1038773C (en) * 1991-07-21 1998-06-17 南京航空学院 Vacuum bubble-obviating method for electric casting
CN1184358C (en) * 2002-11-20 2005-01-12 南京航空航天大学 Medicine type cover electroforming manufacturing process and equipment
CN100412235C (en) * 2004-10-25 2008-08-20 南京航空航天大学 Precise electrotyping shaping technology and device by cathode motion prinding method

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100567582C (en) * 2006-12-27 2009-12-09 南京航空航天大学 Electromoulding processing method for micro-structure on external surface of cylindrical revolving body element
CN101037777B (en) * 2007-01-30 2010-05-19 南京航空航天大学 Precise/ trickle electromoulding machine tool
CN100560809C (en) * 2007-03-28 2009-11-18 南京航空航天大学 Column-shape revolving-body element external-surface micro-tissue electrolysic processing method
CN101994137A (en) * 2010-12-15 2011-03-30 南京航空航天大学 Method and device for processing revolving parts by high-speed jet injection electroforming
CN101994137B (en) * 2010-12-15 2012-02-08 南京航空航天大学 Method and device for processing revolving parts by high-speed jet injection and electroforming
CN102162117A (en) * 2011-03-24 2011-08-24 苏州市职业大学 Deposition process for improving compound quantity of nanoparticles in electric deposition
CN102586813B (en) * 2012-02-03 2014-07-16 河南理工大学 Microelectroforming machine tool
CN102586813A (en) * 2012-02-03 2012-07-18 河南理工大学 Microelectroforming machine tool
CN103243374B (en) * 2012-02-06 2016-08-10 昆山允升吉光电科技有限公司 A kind of method being effectively improved electrotyping plate quality
CN103243374A (en) * 2012-02-06 2013-08-14 昆山允升吉光电科技有限公司 Method capable of effectively increasing quality of electroforming plate
CN103255444A (en) * 2013-05-06 2013-08-21 南京航空航天大学 Rotation and electricity-leading device with rotary cathode and revolute pair immersed in electroforming solution
CN103556188A (en) * 2013-10-31 2014-02-05 常州华日升反光材料股份有限公司 Electroforming equipment
CN103556188B (en) * 2013-10-31 2016-08-31 常州华日升反光材料股份有限公司 A kind of electroforming apparatus
CN105108249A (en) * 2015-08-26 2015-12-02 南京航空航天大学 Electrolytic machining method for bamboo-like microstructures on surface of revolving body
CN105734618A (en) * 2015-12-14 2016-07-06 南京航空航天大学 Electroforming method of complex profile thin-wall revolved body part
CN105734618B (en) * 2015-12-14 2017-12-26 南京航空航天大学 A kind of complex outline Thin-wall Revolving Part electrocasting method
CN106654500A (en) * 2016-10-26 2017-05-10 南京航空航天大学 Minimal metal rectangular waveguide electrochemical manufacturing method
CN108130571A (en) * 2017-12-22 2018-06-08 中国人民解放军陆军装甲兵学院 The method that copper alloy surface prepares high-temperature resistant nano crystalline substance nickel cobalt coating
CN113106510A (en) * 2021-04-09 2021-07-13 山东理工大学 Metal structural part machining device and machining method thereof
CN113106510B (en) * 2021-04-09 2022-05-03 山东理工大学 Metal structural part machining device and machining method thereof

Also Published As

Publication number Publication date
CN100510196C (en) 2009-07-08

Similar Documents

Publication Publication Date Title
CN100510196C (en) Revolving parts electroforming process and device thereof
CN101994137B (en) Method and device for processing revolving parts by high-speed jet injection and electroforming
US10501857B2 (en) Additive manufacturing by localized electrochemical deposition
US20050205425A1 (en) Process for electroplating metallic and metall matrix composite foils, coatings and microcomponents
CN100412235C (en) Precise electrotyping shaping technology and device by cathode motion prinding method
CN103590090B (en) A kind of longitudinal electro-plating method for making electroplating abrasion wheel and device
CN101037777B (en) Precise/ trickle electromoulding machine tool
CN105803493B (en) The small motion hollow out anode electroforming system and method for complex thin-wall type face manufacture
Biswal et al. Recent advances in energy field assisted hybrid electrodeposition and electroforming processes
CN100346901C (en) Method for manufacturing high hardness casting die
CN1827862A (en) Layered microstructure electroforming method and apparatus
CN105177639A (en) Centrifugal shot blasting electroforming manufacturing method and device
CN102330126A (en) Method and device for machining multilayer film by using multiple jet-electrodeposition
CN102424992B (en) Rotor crack-proof chromium electroforming equipment and method
CN1184358C (en) Medicine type cover electroforming manufacturing process and equipment
CN102409370A (en) Particle flow flushing electrocasting process and device
CN111962103A (en) Revolving body part electroforming equipment
CN201258363Y (en) Apparatus for preparing nickel shaped charge liner by electroforming method
Zhu et al. Abrasive polishing assisted nickel electroforming process
CN110842308A (en) In-situ liquid-sharing electrochemical composite processing device and method
CN1462659A (en) Mould and its mfg. method
RU2318631C2 (en) Electroplating method on mold of continuous casting plant
CN112831810B (en) Process for preparing micro-columnar structure by maskless localized electrodeposition method
CN102162117A (en) Deposition process for improving compound quantity of nanoparticles in electric deposition
Zhu et al. Electroforming of revolving parts with near-polished surface and uniform thickness

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090708

CF01 Termination of patent right due to non-payment of annual fee