CN108555103A - Collaboration hinders electrically heated plank independent increment rotary pressing moulding device and method certainly - Google Patents
Collaboration hinders electrically heated plank independent increment rotary pressing moulding device and method certainly Download PDFInfo
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- CN108555103A CN108555103A CN201810018974.0A CN201810018974A CN108555103A CN 108555103 A CN108555103 A CN 108555103A CN 201810018974 A CN201810018974 A CN 201810018974A CN 108555103 A CN108555103 A CN 108555103A
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- Prior art keywords
- plank
- resistor rod
- carbon brush
- tool
- spinning wheel
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/14—Spinning
- B21D22/16—Spinning over shaping mandrels or formers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/18—Lubricating, e.g. lubricating tool and workpiece simultaneously
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The present invention provides a kind of collaborations from the electrically heated plank independent increment rotary pressing moulding device of resistance and method, device includes：Spinning wheel, high-frequency low-voltage power supply, high-temperature insulation gasket, cable, resistor rod, infrared thermometer, plank, carbon brush and its fixed frame；Spinning wheel and resistor rod are on the same arc surface of plank and symmetrical (being separated by 180 degree), and the two synergistic effect completes heating and forming process.Apparatus structure provided by the invention is compact, and method is simple, solves that intensity under room temperature is high, plastic force is big, difficult-to-deformation material heating and forming problem, method are suitble to the independent increment mould pressing of the plates such as pure titanium, titanium alloy and magnesium alloy.
Description
Technical field
The present invention relates to sheet metal mould pressing field, specifically a kind of collaboration is revolved from electrically heated plank independent increment is hindered
Pressing formation device and method.
Background technology
Titanium and titanium alloy have good mechanical performance, and corrosion resistance is good, and specific strength is high, and density is small, in industrial circle
Occupy important position, especially in aerospace and military industry field application and its extensively, titanium and its alloy have good plasticity,
But it is difficult to deformation at normal temperatures.
Traditional flame injection hot spinning be formed with waste energy, equipment it is complicated, it is expensive and with this hair of lathe
The difficult disadvantage of the heat-insulated processing of body limits its exhibition.
The whole heating progressive molding method of resistance certainly low, uniformity of temperature profile with equipment cost, but heating time is long, forming
Precision is not high, and blank shape need is higher, is not suitable for large-size blank forming.
Forming hammer progressive molding technology has the characteristics that simple and forming speed is fast, but due to shape hammer into shape cannot do it is wireless
It is small, the workpiece of simple shape can only be processed, while hammer trace is left on surface, reduce the surface quality of product, it is also necessary to phase
The subsequent processing answered.
Contour peening has technological equipment simple, does not need special forming mould tool, while Residual stress of superficial layer improves
Part anti-fatigue performance.The disadvantages of this method is：Compacting mechanism is complicated, and the selection of technological parameter will rely on huge experimental data
Library and operating experience.
Laser heating method has heating speed fast, but hot spot constantly changes with the variation of spinning position, there is control
The big problem of difficulty processed, and laser equipment cost higher.
Invention content
The present invention in order to solve problems in the prior art, provides a kind of cooperate with from the electrically heated plank independent increment spinning of resistance
Building mortion and method, device have the characteristics that equipment cost is low, heating speed is fast, safe and reliable；It can easily realize general
Logical mould pressing and shear spinning shape two kinds of processing methods；The plank for being difficult to shape under different-thickness and the room temperature of material all may be used
To use the method, the wide advantage of use scope.
The present invention provides a kind of collaborations from hindering electrically heated plank independent increment rotary pressing moulding device, including core model, plank,
Process tool group heats tooling and rotary pressing moulding device from resistance.
The rotary pressing moulding device include be sequentially sleeved in spinning main shaft front end movement it is top, rotate top and tail top.
One end of the core model is mounted on through insulation processing on scroll chuck, and board clamp is between core model and tail top, plate
Material both sides are coated with high-temperature lubricant.
The process tool group includes the base of tool and the resistor rod and spinning wheel that are symmetrically mounted on the base of tool.
The collaboration from resistance heating tooling include high-frequency low-voltage power supply, carbon brush holder assembly, carbon brush bar, magnetic fixed frame,
Cable, wherein carbon brush bar one end is interference fitted by insulation processing and carbon brush holder assembly, and the other end passes through screw-thread fit and magnetism
Fixed frame is fixed, magnetic fixed frame and mobile top fixation, carbon brush holder assembly and the sliding contact of tail top；High-frequency low-voltage power supply anode
Connected with carbon brush holder assembly by cable, cathode is connected with resistor rod, high-frequency low-voltage power supply, cable, resistor rod, plank, tail
Top and carbon brush holder assembly form loop current, and the local temperature that plank is contacted with resistor rod increases, and spinning wheel squeezes slab plasticity
Deformation.
The resistor rod is made of tool heads, wall cylinder, pedestal, and tool heads can be along wall cylinder inner wall sliding extension, tool heads
Centre is equipped with the shaft shoulder, and 304 stainless steel compressed springs are housed on the shaft shoulder；Wall cylinder is fixed by bolt and pedestal, and pedestal side has directly
Diameter is the hole of 15mm, and for installing cable, cable contacts conducting electric current with tool heads, and there is the threaded hole of 8mm in the other side of pedestal,
Cable is fixed by bolt, pedestal is bolted on the base of tool.
Between the core model and machine tool three-jaw chuck, between resistor rod and the base of tool and between spinning wheel and the base of tool
By 2mm mica insulation gasket thermal insulations insulate, tail top by press closer screw be fixed on rotation it is top on, tail top 5 with rotation it is top
Between insulated by the high-temperature insulation gasket thermal insulation of 3mm.
The spinning wheel is located at approximately the same plane and is separated by 180 degree with resistor rod, and the two is about main shaft rotation axis pair
Claim arrangement, and in angle of 45 degrees with main shaft gyration axis.
The tool heads radius and spinning wheel radius of corner is 4mm, and spinning wheel and tool heads material are Cr12Mo.
The low-voltage, high-current output voltage is no more than 10V, and DC current is no more than 1000A.
The compressed spring pitch P is 5mm, outer diameter 16mm, line footpath 2mm, original height 50mm, for adjusting electricity
Hinder telescopic moving and the stress of stick；
It is provided with infrared temperature sensor, infrared temperature sensor and the big electricity of low pressure at the resistor rod and web contact
Galvanic electricity source is connect with temperature controller.
The present invention also provides a kind of methods that collaboration hinders electrically heated plank independent increment mould pressing certainly, including following step
Suddenly：
1) from resistance electric heater unit installation：Core model is installed on scroll chuck, is insulated by mica insulation gasket thermal insulation；Pacify on tail top
It is top loaded on rotating, it is insulated by 6 thermal insulation of high-temperature insulation gasket；Core model, tail top and plank compress the heart；Carbon brush holder assembly connects
Positive pole, carbon brush holder are interference fitted by copper brush and tail top circumferential direction sliding contact conducting electric current, carbon brush holder assembly with carbon brush bar,
Non- insulation processing end carbon brush bar is fixed with fixed frame using screw-thread fit, and it is top that fixed frame is fixed on movement；Resistor rod is symmetrically pacified
Loaded on spinning wheel tool apron, resistor rod is insulated with the base of tool by mica insulation gasket thermal insulation, and power cathode is connected with resistor rod, electricity
Flow back to road conducting.
2) plate cooperates with thermoforming：Plate both sides spraying high temperature lubricant, plate is given to be revolved with given speed with main shaft
Turn, resistor rod is slowly close and contacts plate, and loop current is connected；The spot temperature that resistor rod is contacted with plate rises rapidly simultaneously
Reach forming required temperature；Then, plate half revolution is contacted with spinning wheel, and spinning wheel squeezes plate with given path
Forming；Hereafter, under digital control system driving, according to numerical control code path, resistor rod and spinning wheel coordinated heated, etc.
Wall thickness subtracts wall thickness mould pressing, making space volume independent increment revolving member.
The plate collaboration thermoforming parameter is as follows, machine spindle speed 80-90r/min, spinning wheel and resistance
The amount of feeding of stick is 0.4-0.6mm/r, and the deep amount of passage pressure is 0.5-1.0mm, size of current 400-500A, resistor rod and plank
The local temperature of contact is 550-600 degrees Celsius.
Advantageous effect of the present invention is：
1, the larger plank mould pressing problem of difficult-to-deformation material and plastic force under room temperature is solved；
2, plank collaboration is simple in structure from resistance electrical heating spinning tool, and securely and reliably, electric current output is adjustable, adapts to different-thickness
It is shaped with the plank hot spinning of material；
3, output current is larger, is conducive to being brought rapidly up for plank, slab heating time is short；Output voltage values are relatively low, to operation
Personnel will not cause security threat；
4, high temperature reduces the required plastic force of plank, reduces the demanded power output of spinning lathe, while also increasing plate
The shape angles of material.
Description of the drawings
Fig. 1 is schematic device of the plank collaboration from resistance hot spinning
Fig. 2 resistor rod structural schematic diagrams
Fig. 3 plank spinning process schematic diagrames
Figure label title：1 scroll chuck, 2 core models, 3 planks, 4 spinning wheels, 5 tail tops, 6 high-temperature insulation gaskets, 7 press closer screw,
8 rotations are top, and 9 movements are top, 10 magnetic fixed frames, 11 carbon brush bars, 12 carbon brush holder assemblies, 13 cables, 14 high-frequency low-voltage power supplies,
15 temperature controllers, 16 infrared temperature sensors, 17 resistor rods, 18 mica insulation gaskets, 19 pedestals, 20 bolts, 21 tools
Head, 22 compressed springs, 23 wall cylinders.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.
The present invention provides a kind of collaborations from the device for hindering electrically heated plank independent increment mould pressing as shown in Figure 1, packet
Include core model 1, plank 3, cylindrical member, process tool group, certainly resistance heating tooling and rotary pressing moulding device.
The rotary pressing moulding device include be sequentially sleeved in spinning main shaft front end movement is top 9, rotation top 8 and tail top
5。
One end of the core model 2 is mounted on through insulation processing on scroll chuck 1, plank 3 be clipped in core model 2 and tail top 5 it
Between, 3 both sides of plank are coated with high-temperature lubricant.
The process tool group includes the base of tool and the resistor rod being symmetrically mounted on the base of tool 17 and spinning wheel 4.
The collaboration from resistance heating tooling include high-frequency low-voltage power supply 14, it is carbon brush holder assembly 12, carbon brush bar 11, magnetic solid
Determine frame 10, cable 13, wherein 11 one end of carbon brush bar is interference fitted by insulation processing and carbon brush holder assembly 12, and the other end passes through
Screw-thread fit is fixed with magnetic fixed frame 10, and magnetic fixed frame 10 is fixed with mobile top 9, and carbon brush holder assembly 12 is slided with tail top 3
Dynamic contact；14 anode of high-frequency low-voltage power supply is connected by cable 13 with carbon brush holder assembly 12, and cathode is connected with resistor rod 17, high
Frequency low-tension supply 14, cable 13, resistor rod 17, plank 3, tail top 5 and carbon brush holder assembly 12 form loop current, plank 3 and electricity
It hinders the local temperature that stick 17 contacts to increase, spinning wheel squeezes slab plastic deformation.
For the resistor rod structure as shown in Fig. 2, being made of tool heads 21, wall cylinder 23, pedestal 19, tool heads can be along wall cylinder
23 inner wall sliding extensions, 21 centre of tool heads are equipped with the shaft shoulder, 304 stainless steel compressed springs 22 are housed on the shaft shoulder；Wall cylinder 23 passes through
Bolt 20 is fixed with pedestal, and there is the hole of a diameter of 15mm in pedestal side, and for installing cable, cable contacts electric conduction with tool heads
Stream, there is the threaded hole of 8mm in the other side of pedestal, fixes cable by bolt, pedestal 19 is bolted on the base of tool.
Between the core model 2 and machine tool three-jaw chuck 1, between resistor rod 17 and the base of tool and spinning wheel 4 and cutter
It is insulated by 18 thermal insulation of 2mm mica insulations gasket between seat, tail top 3 is fixed on by pressing closer screw 7 in rotation top 8, tail top 5
It is insulated by 6 thermal insulation of high-temperature insulation gasket of 3mm between rotation top 8.
The spinning wheel 4 is located at approximately the same plane and is separated by 180 degree with resistor rod 17, and the two is about main shaft rotation axis
It is arranged symmetrically, and in angle of 45 degrees with main shaft gyration axis.
21 radius of tool heads and spinning wheel radius of corner are 4mm, and spinning wheel and tool heads material are Cr12Mo.
The low-voltage, high-current output voltage is no more than 10V, and DC current is no more than 1000A.
22 pitch P of compressed spring is 5mm, outer diameter 16mm, line footpath 2mm, original height 50mm, for adjusting
The telescopic moving of resistor rod and stress；
The resistor rod 17 is provided with infrared temperature sensor 16,16 He of infrared temperature sensor with 3 contact position of plank
Low-voltage high-current power source 14 is connect with temperature controller 15.
The present invention also provides a kind of methods that collaboration hinders electrically heated plank independent increment mould pressing certainly, including following step
Suddenly：
1) from resistance electric heater unit installation：Core model is installed on scroll chuck, is insulated by 18 thermal insulation of mica insulation gasket；Tail top
It is top to be installed on rotation, is insulated by 6 thermal insulation of high-temperature insulation gasket；Core model, tail top and plank compress the heart；Carbon brush holder assembly connects
Positive pole is connect, carbon brush holder is matched by copper brush and tail top circumferential direction sliding contact conducting electric current, carbon brush holder assembly with carbon brush bar interference
It closes, non-insulation processing end carbon brush bar is fixed with fixed frame using screw-thread fit, and it is top that fixed frame is fixed on movement；Resistor rod is symmetrical
It is installed on spinning wheel tool apron, resistor rod is insulated with the base of tool by 18 thermal insulation of mica insulation gasket, power cathode and resistor rod phase
Even, current loop conducting.
2) plate cooperates with thermoforming（As shown in Figure 3）：Give plate both sides spraying high temperature lubricant, plate with main shaft with
Given speed rotates, and resistor rod is slowly close and contacts plate, and loop current is connected；The spot temperature that resistor rod is contacted with plate
Rise rapidly and reach forming required temperature；Then, plate half revolution is contacted with spinning wheel, and spinning wheel is with given path to plate
Material carries out extrusion molding；Hereafter, under digital control system driving, according to numerical control code path, resistor rod and spinning wheel coordinated
Heated, etc. wall thickness or subtract wall thickness mould pressing, making space volume independent increment revolving member.
The plate collaboration thermoforming parameter is as follows, machine spindle speed 80-90r/min, spinning wheel and resistance
The amount of feeding of stick is 0.4-0.6mm/r, and the deep amount of passage pressure is 0.5-1.0mm, size of current 400-500A, resistor rod and plank
The local temperature of contact is 550-600 degrees Celsius.
A kind of specific implementation mode of the present invention is as follows：
The size and thickness that plank is calculated according to constancy of volume principle and elongation percentage, rational plate is cut into using wire cutting machine tool
Material.
Core model and plank model are established inside CAD, draw rational spinning path；CAD diagram shape is imported into
Mastercam9.1 determines the initial point and terminal of straight line and curve, and then hand-coding spinning using its dynamic analysis function
Program, and numerical control program is imported into spinning lathe.
Mounting tool：First core model is mounted on scroll chuck, it is intermediate adiabatic with high temperature insulating material insulation thermal insulation；By tail
Top is fixed on by M8 bolts and is rotated on top, and centre is separated with high temperature insulating material, and tail top can be rotated together with rotation is top；
Carbon brush holder assembly is fixed with carbon brush bar insulating segment interference fit, carbon brush bar other end and fixed frame screw-thread fit, and fixed frame is logical
Cross bolt be fixed on it is mobile it is top on, the copper brush on carbon brush holder assembly and tail tip circle cylinder sliding contact；Spinning is tilted by 45 degree
Wheel and resistor rod are symmetrically mounted on tool apron, are separated by high temperature insulating material between spinning wheel and resistor rod and tool apron；Electricity consumption
Cable connects high-frequency low-voltage power supply, resistor rod, carbon brush holder assembly；Movement is top to be clamped in core model and tail top by plank to the heart
Between, core model, plank and tail top can be rotated together with machine tool chief axis, and infrared thermometer is fixed on the same tool apron, is used for
Measure resistor rod and web contact point temperature.
Starting spinning lathe, plank is individually moved resistor rod and web contact with main axis, connects loop current, by
Step increases loop current, waits for that infrared thermometer detects that temperature reaches 500 degrees centigrade record current numerical value and closes electric current
Lathe is shut down in circuit.
Start CNC spinning machine, mobile spinning wheel is carried out to knife, to knife after spinning wheel fallen back on into safe distance.
Turn-on current circuit, starts spinning lathe hot spinning plank, and sheet deformation process passes through as shown in annex Fig. 3
Infrared thermometer controls temperature in 550-600 degrees centigrades, speed of mainshaft 80-90r/min.
Loop current is closed after completing processing, spinning wheel and resistor rod, which are retreated to safe distance, shuts down lathe, waits for that part is extensive
When arriving room temperature again under unloading.
There are many concrete application approach of the present invention, the above is only a preferred embodiment of the present invention, it is noted that for
For those skilled in the art, without departing from the principle of the present invention, it can also make several improvements, this
A little improve also should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of collaboration hinders electrically heated plank independent increment rotary pressing moulding device certainly, it is characterised in that：Including core model（1）, plank
（3）, process tool group, from resistance heating tooling and rotary pressing moulding device；
The rotary pressing moulding device include be sequentially sleeved in spinning main shaft front end movement it is top（9）, rotation it is top（8）With tail top
（5）；
The core model（2）One end through insulation processing be mounted on scroll chuck（1）On, plank（3）It is clipped in core model（2）With tail top
（5）Between, plank（3）Both sides are coated with high-temperature lubricant；
The resistor rod that the process tool group includes the base of tool and is symmetrically mounted on the base of tool（17）With spinning wheel（4）；
It includes high-frequency low-voltage power supply that the collaboration heats tooling from resistance（14）, carbon brush holder assembly（12）, carbon brush bar（11）, it is magnetic
Fixed frame（10）, cable（13）, wherein carbon brush bar（11）One end passes through insulation processing and carbon brush holder assembly（12）Interference fit,
The other end passes through screw-thread fit and magnetic fixed frame（10）It is fixed, magnetic fixed frame（10）It is top with movement（9）It is fixed, carbon brush holder
Assembly（12）With tail top（3）Sliding contact；High-frequency low-voltage power supply（14）Anode passes through cable（13）With carbon brush holder assembly（12）Phase
It connects, cathode and resistor rod（17）Be connected, high-frequency low-voltage power supply（14）, cable（13）, resistor rod（17）, plank（3）, tail top
（5）With carbon brush holder assembly（12）Form loop current, plank（3）With resistor rod（17）The local temperature of contact increases, spinning wheel
Squeeze slab plastic deformation；
The resistor rod is by tool heads（21）, wall cylinder（23）, pedestal（19）Composition, tool heads（21）It can be along wall cylinder（23）Inner wall
Sliding extension, tool heads（21）Centre is equipped with the shaft shoulder, and 304 stainless steel compressed springs are housed on the shaft shoulder（22）；Wall cylinder（23）Pass through
Bolt（20）It is fixed with pedestal, there is the hole of a diameter of 15mm in pedestal side, and for installing cable, cable contacts conducting with tool heads
There is the threaded hole of 8mm in the other side of electric current, pedestal, and cable, pedestal are fixed by bolt（19）It is bolted on cutter
On seat.
2. collaboration according to claim 1 hinders electrically heated plank independent increment rotary pressing moulding device certainly, it is characterised in that：Institute
The core model stated（2）With machine tool three-jaw chuck（1）Between, resistor rod（17）Between the base of tool and spinning wheel（4）With the base of tool
Between pass through 2mm mica insulation gaskets（18）Thermal insulation is insulated, tail top（3）By pressing closer screw（7）It is top to be fixed on rotation（8）
On, tail top（5）It is top with rotating（8）Between pass through the high-temperature insulation gasket of 3mm（6）Thermal insulation is insulated.
3. collaboration according to claim 1 hinders electrically heated plank independent increment rotary pressing moulding device certainly, it is characterised in that：Institute
The spinning wheel stated（4）With resistor rod（17）Positioned at approximately the same plane and it is separated by 180 degree, the two is about the symmetrical cloth of main shaft rotation axis
It sets, and in angle of 45 degrees with main shaft gyration axis.
4. collaboration according to claim 1 hinders electrically heated plank independent increment rotary pressing moulding device certainly, it is characterised in that：Institute
The tool heads stated（21）Radius and spinning wheel radius of corner are 4mm, and spinning wheel and tool heads material are YG8 hard alloy.
5. collaboration according to claim 1 hinders electrically heated plank independent increment rotary pressing moulding device certainly, it is characterised in that：Institute
The low-voltage, high-current output voltage stated is no more than 10V, and DC current is no more than 1000A.
6. collaboration according to claim 1 hinders electrically heated plank independent increment rotary pressing moulding device certainly, it is characterised in that：Institute
The compressed spring stated（22）Pitch P is 5mm, outer diameter 16mm, line footpath 2mm, original height 50mm, for regulation resistance stick
Telescopic moving and stress.
7. collaboration according to claim 1 hinders electrically heated plank independent increment rotary pressing moulding device certainly, it is characterised in that：Institute
The resistor rod stated（17）With plank（3）Contact position is provided with infrared temperature sensor（16）, infrared temperature sensor（16）
And low-voltage high-current power source（14）And temperature controller（15）Connection.
8. a kind of method that collaboration hinders electrically heated plank independent increment mould pressing certainly, it is characterised in that include the following steps：
1) from resistance electric heater unit installation：Core model is installed on scroll chuck, is insulated by mica insulation gasket thermal insulation；Pacify on tail top
It is top loaded on rotating, it is insulated by high-temperature insulation gasket thermal insulation；Core model, tail top and plank compress the heart；Carbon brush holder assembly connects
Positive pole, carbon brush holder are interference fitted by copper brush and tail top circumferential direction sliding contact conducting electric current, carbon brush holder assembly with carbon brush bar,
Non- insulation processing end carbon brush bar is fixed with fixed frame using screw-thread fit, and it is top that fixed frame is fixed on movement；Resistor rod is symmetrically pacified
Loaded on spinning wheel tool apron, resistor rod is insulated with the base of tool by mica insulation gasket thermal insulation, and power cathode is connected with resistor rod, electricity
Flow back to road conducting；
2) plate cooperates with thermoforming：Plate both sides spraying high temperature lubricant, plate is given to be rotated with given speed with main shaft, electricity
Resistance stick is slowly close and contacts plate, and loop current is connected；The spot temperature that resistor rod is contacted with plate rises and reaches rapidly
Shape required temperature；Then, plate half revolution is contacted with spinning wheel, and spinning wheel is squeezed into plate with given path
Shape；Hereafter, under digital control system driving, according to numerical control code path, resistor rod and spinning wheel coordinated heated, etc. walls
Thickness subtracts wall thickness mould pressing, making space volume independent increment revolving member.
9. the method that collaboration according to claim 8 hinders electrically heated plank independent increment mould pressing certainly, it is characterised in that：
Step 2）The plate collaboration thermoforming parameter is as follows, machine spindle speed 80-90r/min, spinning wheel and resistor rod
The amount of feeding be 0.4-0.6mm/r, the deep amount of passage pressure is 0.5-1.0mm, size of current 400-500A, and resistor rod connects with plank
Tactile local temperature is 550-600 degrees Celsius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810018974.0A CN108555103A (en) | 2018-01-09 | 2018-01-09 | Collaboration hinders electrically heated plank independent increment rotary pressing moulding device and method certainly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810018974.0A CN108555103A (en) | 2018-01-09 | 2018-01-09 | Collaboration hinders electrically heated plank independent increment rotary pressing moulding device and method certainly |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109108139A (en) * | 2018-10-31 | 2019-01-01 | 哈尔滨工业大学 | A kind of titanium-based alloy material spin forming method based on composite heating |
| CN109622714A (en) * | 2019-01-23 | 2019-04-16 | 西安深瞳智控技术有限公司 | A kind of the head-shield rotary pressing moulding device and its manufacturing process of target seeker |
| CN109834149A (en) * | 2019-04-11 | 2019-06-04 | 山东崇盛冶金氧枪有限公司 | A kind of blast furnace tuyere small sleeve preceding cap spin forming device and its technique |
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