CN108696177B - A kind of light-weighted method of realization ultrasound electric machine - Google Patents
A kind of light-weighted method of realization ultrasound electric machine Download PDFInfo
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- CN108696177B CN108696177B CN201810708791.1A CN201810708791A CN108696177B CN 108696177 B CN108696177 B CN 108696177B CN 201810708791 A CN201810708791 A CN 201810708791A CN 108696177 B CN108696177 B CN 108696177B
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- stator
- fiber
- electric machine
- polymer composites
- ultrasonic motor
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- 238000002604 ultrasonography Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000002131 composite material Substances 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 25
- 229910000906 Bronze Inorganic materials 0.000 claims abstract description 24
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000010974 bronze Substances 0.000 claims abstract description 24
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229920000642 polymer Polymers 0.000 claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 4
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 22
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 22
- 239000000843 powder Substances 0.000 claims description 17
- 229920006231 aramid fiber Polymers 0.000 claims description 14
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 13
- 239000004917 carbon fiber Substances 0.000 claims description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 13
- 239000000835 fiber Substances 0.000 claims description 11
- 238000000465 moulding Methods 0.000 claims description 10
- 239000003365 glass fiber Substances 0.000 claims description 8
- 238000007731 hot pressing Methods 0.000 claims description 8
- 238000004321 preservation Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 229920006351 engineering plastic Polymers 0.000 claims description 7
- -1 polyparaphenylene Polymers 0.000 claims description 6
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 4
- 239000004642 Polyimide Substances 0.000 claims description 4
- 229920000265 Polyparaphenylene Polymers 0.000 claims description 4
- 229920001568 phenolic resin Polymers 0.000 claims description 4
- 239000005011 phenolic resin Substances 0.000 claims description 4
- 229920002492 poly(sulfone) Polymers 0.000 claims description 4
- 229920001721 polyimide Polymers 0.000 claims description 4
- 229920006324 polyoxymethylene Polymers 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 4
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 3
- 229920002530 polyetherether ketone Polymers 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims 1
- 238000009702 powder compression Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 229920006389 polyphenyl polymer Polymers 0.000 description 12
- 150000003568 thioethers Chemical class 0.000 description 12
- 230000002708 enhancing effect Effects 0.000 description 7
- 208000020442 loss of weight Diseases 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- 239000011152 fibreglass Substances 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000000088 plastic resin Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 208000016261 weight loss Diseases 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/0005—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing non-specific motion; Details common to machines covered by H02N2/02 - H02N2/16
- H02N2/005—Mechanical details, e.g. housings
- H02N2/0065—Friction interface
- H02N2/007—Materials
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/10—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/22—Methods relating to manufacturing, e.g. assembling, calibration
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A kind of light-weighted method of realization ultrasound electric machine, it is characterized in that replacing phosphor bronze ultrasonic motor stator using the ultrasonic motor stator of polymer composites manufacture, rotor still uses aluminum alloy surface to paste PTFE base friction layer material；The present invention is while guaranteeing requirement of the ultrasound electric machine to stator material, it can satisfy the requirement of rotor frictional behavior, still there is the mechanical of relatively high power to export when stator quality is reduced 80-85%, to reduce motor total quality, important technology is provided for the lightweights application field such as aerospace.
Description
Technical field
The present invention relates to a kind of Ultrasonic Motor Techniques, especially a kind of ultrasound electric machine Technology of Weight Reduction is specifically a kind of
Realize the light-weighted method of ultrasound electric machine.
Background technique
Ultrasound electric machine is a kind of novel small and special electric machine for rapidly developing and having special applications the 1980s, is to utilize
The microscopic vibration of elastomeric stator is converted into the macroscopic motion of rotor by inverse piezoelectric effect by friction, and structure is simple, can design
Property it is strong, wherein core component be stator and rotor, but to its intensity, elasticity modulus, density, wearability, thermal conductivity etc. have
There are strict requirements.At present using more stator material be phosphor bronze, because its with good wear-resistant, elastic, thermal conductivity,
Antifatigue equal excellent properties.Rotor is that aluminum alloy material surface pastes PTFE base friction material, has light weight, Yi Jia
The advantages such as work, low in cost.
Density maximum (the 8.8g/cm of stator phosphor bronze material in ultrasound electric machine3), account for the 20% of entire motor quality with
On, there is extensive development space in its lightweight application field.So replacing phosphor bronze stator to reduce by light material
Motor quality is particularly important, and so far, is also found no and is closed the light-weighted design of ultrasound electric machine and correlative study.This hair
It is bright according to ultrasound electric machine to the particular/special requirement of elastomeric stator performance, intend selecting density smaller and have higher mechanical strength, resistance to
It grinds with the polymer of excellent thermal conductivity and replaces, to reduce motor total quality.Preferably, polyphenylene sulfide is a kind of novel
High performance plastic resin, with high mechanical strength, high temperature resistant, chemical resistance, fire-retardant, thermal stability is good, electrical property is excellent
The advantages that good, can substantially reduce motor by that can become the ideal alternative materials of motor phosphor bronze stator after fiber reinforcement
Total quality.
Summary of the invention
It is difficult the purpose of the present invention is for the phosphor bronze stator largely used in existing ultrasound electric machine, that there are weight is excessive
To realize the light-weighted problem of complete machine, a kind of reality for substituting and mitigating main screw lift using polymer composites stator is invented
The existing light-weighted method of ultrasound electric machine.
Technical solution of the present invention first is that:
A kind of light-weighted method of realization ultrasound electric machine, it is characterized in that the ultrasound electric machine manufactured using polymer composites
Stator replaces phosphor bronze ultrasonic motor stator, and rotor still uses aluminum alloy surface to paste PTFE base friction layer material；
The weight of entire stator mitigates 80-85% or more on year-on-year basis.
The polymer composites are fibre-reinforced engineering plastics, and the adding proportion of the fiber is 15-30
vol.%。
The engineering plastics are with high mechanical strength, high temperature resistant, anti abrasive polyphenylene sulfide, polyimides, gather
Ether ether ketone, phenolic resin, polyparaphenylene, polysulfones or polyformaldehyde.
The preferred polyphenylene sulfide of the polymer, polyphenylene sulfide Moulding powder average grain diameter are 75 μm.
The fiber is chopped carbon fiber, glass fibre or aramid fiber.
7 μm of the carbon fiber diameter, 20-50 μm of length, 7 μm of glass fiber diameter, 20-50 μm of length, aramid fiber
Diameter be 7 μm.Length range is 20-50 μm.
Technical solution of the present invention second is that:
A kind of manufacturing method of polymer composites ultrasonic motor stator, it is characterized in that fiber and engineering plastics are molded
Powder is pressed and molded after mixing by volume, and composite powder is handled 2h in 100 DEG C of baking ovens before hot pressing, is then freely sintered
To 370 DEG C of heat preservation half an hour, start to pressurize when being cooled to 240 DEG C, it is pressure maintaining half an hour when pressure rises to 20MPa, last naturally cold
But fiber reinforced polymer composites blank is obtained, then blank is processed into ultrasonic motor stator.
Beneficial effects of the present invention:
(1), the present invention replaces ultrasound electric machine phosphor bronze stator material using fiber reinforcement polyphenyl thioether composite material, can
Substantially reduce the total quality of motor.
(2), the composite material can use chopped strand enhancing, and designability is strong, and preparation process is simple and convenient, Yi Jia
Work, it is low in cost.
(3) present invention can loss of weight 80-85% under the premise of motor load is constant.
The present invention can satisfy rotor frictional behavior while guaranteeing requirement of the ultrasound electric machine to stator material
It is required that still having the mechanical of relatively high power to export when stator quality is reduced 80-85%, to reduce motor total quality, it is
The lightweights application field such as aerospace provides important technology.
Specific embodiment
Below with reference to embodiment, the present invention is further illustrated.
Embodiment 1.
The manufacturing method of carbon fiber enhanced polyphenylene sulfide composite material stator are as follows:
By about 7 μm of diameter, the polyphenylene sulfide Moulding powder that the carbon fiber and average grain diameter that about 20-50 μm of length are 75 μm presses body
Product is pressed and molded, than (wherein carbon fiber adding proportion is 15%) by composite powder in 100 DEG C of baking ovens before hot pressing after mixing
Then middle processing 2h is freely sintered to 370 DEG C of heat preservation half an hour, starts to pressurize when being cooled to 240 DEG C, when pressure rises to 20MPa
Pressure maintaining half an hour, last natural cooling obtain carbon fiber enhanced polyphenylene sulfide composite material blank, using being machined into and surpass
The identical polymer composites stator of acoustic-electric machine phosphor bronze stator dimensions.
By taking TRUM-60 type motor as an example, rotor outer diameter is 60mm, utilizes fibre reinforced polyphenylene sulfide composite wood
Material is used as motor stator material, stator quality 9.41g, opposite phosphor bronze stator loss of weight 83.8%, motor load 0.1N m
When still there is the mechanical output of 30r/min.
Embodiment 2.
The manufacturing method of carbon fiber enhanced polyphenylene sulfide composite material stator are as follows:
By about 7 μm of diameter, the polyphenylene sulfide Moulding powder that the carbon fiber and average grain diameter that about 20-50 μm of length are 75 μm presses body
Product is pressed and molded, than (wherein carbon fiber adding proportion is 30%) by composite powder in 100 DEG C of baking ovens before hot pressing after mixing
Then middle processing 2h is freely sintered to 370 DEG C of heat preservation half an hour, starts to pressurize when being cooled to 240 DEG C, when pressure rises to 20MPa
Pressure maintaining half an hour, last natural cooling obtain carbon fiber enhanced polyphenylene sulfide composite material blank, using being machined into and surpass
The identical polymer composites stator of acoustic-electric machine phosphor bronze stator dimensions.By taking TRUM-60 type motor as an example, rotor outer diameter ruler
Very little is 60mm, using carbon fiber enhanced polyphenylene sulfide composite material as motor stator material, stator quality 9.85g, phase
To phosphor bronze stator loss of weight 83.05%, when motor load 0.1N m, still has the mechanical output of 35r/min.
Embodiment 3.
The manufacturing method of fiberglass enhanced polyphenyl thioether composite material stator are as follows:
By about 7 μm of diameter, the polyphenylene sulfide Moulding powder that the glass fibre that about 20-50 μm of length is 75 μm with average grain diameter is pressed
Volume ratio (wherein glass fibre adding proportion is 20%) is pressed and molded after mixing, dries composite powder at 100 DEG C before hot pressing
2h is handled in case, is then freely sintered to 370 DEG C of heat preservation half an hour, is started to pressurize when being cooled to 240 DEG C, pressure rises to 20MPa
When pressure maintaining half an hour, last natural cooling obtains fiberglass enhanced polyphenyl thioether composite material blank, using being machined into
Polymer composites stator identical with ultrasound electric machine phosphor bronze stator dimensions.
By taking TRUM-60 type motor as an example, rotor outer diameter is 60mm, compound using fiberglass enhanced polyphenyl thioether
Material as motor stator material, stator quality 10.14g, opposite phosphor bronze stator loss of weight 82.53%, the motor load
Still there is the mechanical output of 27r/min when 0.1N m.
Embodiment 4.
The manufacturing method of fiberglass enhanced polyphenyl thioether composite material stator are as follows:
By about 7 μm of diameter, the polyphenylene sulfide Moulding powder that the glass fibre that about 20-50 μm of length is 75 μm with average grain diameter is pressed
Volume ratio (wherein glass fibre adding proportion is 25%) is pressed and molded after mixing, dries composite powder at 100 DEG C before hot pressing
2h is handled in case, is then freely sintered to 370 DEG C of heat preservation half an hour, is started to pressurize when being cooled to 240 DEG C, pressure rises to 20MPa
When pressure maintaining half an hour, last natural cooling obtains fiberglass enhanced polyphenyl thioether composite material blank, using being machined into
Polymer composites stator identical with ultrasound electric machine phosphor bronze stator dimensions.
By taking TRUM-60 type motor as an example, rotor outer diameter is 60mm, compound using fiberglass enhanced polyphenyl thioether
Material is as motor stator material, stator quality 11.31g, opposite phosphor bronze stator loss of weight 80.52%, the motor load
Still there is the mechanical output of 31r/min when 0.1N m.
Embodiment 5.
The manufacturing method of aramid fiber enhancing polyphenyl thioether composite material stator are as follows:
By about 7 μm of diameter, the polyphenylene sulfide Moulding powder that the aramid fiber that about 20-50 μm of length is 75 μm with average grain diameter is pressed
Volume ratio (wherein aramid fiber adding proportion is 15%) is pressed and molded after mixing, dries composite powder at 100 DEG C before hot pressing
2h is handled in case, is then freely sintered to 370 DEG C of heat preservation half an hour, is started to pressurize when being cooled to 240 DEG C, pressure rises to 20MPa
When pressure maintaining half an hour, last natural cooling obtains aramid fiber enhancing polyphenyl thioether composite material blank, using being machined into
Polymer composites stator identical with ultrasound electric machine phosphor bronze stator dimensions.
By taking TRUM-60 type motor as an example, rotor outer diameter is 60mm, compound using aramid fiber enhancing polyphenylene sulfide
Material is as motor stator material, stator quality 9.06g, opposite phosphor bronze stator loss of weight 84.39%, the motor load
Still there is the mechanical output of 26r/min when 0.1N m.
Embodiment 6.
The manufacturing method of aramid fiber enhancing polyphenyl thioether composite material stator are as follows:
By about 7 μm of diameter, the polyphenylene sulfide Moulding powder that the aramid fiber that about 20-50 μm of length is 75 μm with average grain diameter is pressed
Volume ratio (wherein aramid fiber adding proportion is 30%) is pressed and molded after mixing, dries composite powder at 100 DEG C before hot pressing
2h is handled in case, is then freely sintered to 370 DEG C of heat preservation half an hour, is started to pressurize when being cooled to 240 DEG C, pressure rises to 20MPa
When pressure maintaining half an hour, last natural cooling obtains aramid fiber enhancing polyphenyl thioether composite material blank, using being machined into
Polymer composites stator identical with ultrasound electric machine phosphor bronze stator dimensions.
By taking TRUM-60 type motor as an example, rotor outer diameter is 60mm, compound using aramid fiber enhancing polyphenylene sulfide
Material is as motor stator material, stator quality 9.15g, opposite phosphor bronze stator loss of weight 84.24%, the motor load
Still there is the mechanical output of 28r/min when 0.1N m.
Embodiment 7.
The difference of the present embodiment and embodiment one to six be used in engineering plastics be polyimides, polyether-ether-ketone,
Phenolic resin, except one of other polyparaphenylenes, polysulfones or polyformaldehyde of polyphenylene sulfide, corresponding Fabrication parameter (including dries
Dry temperature, sintering temperature, pressure initial temperature, pressure etc.) parameter that can refer to polyphenylene sulfide use, see also existing or
Relevant Materials Handbook executes.
The above is only preferably a kind of polyphenyl thioether composite material of the invention to replace phosphor bronze material, can reduce electricity
The total quality of machine actually can be used as motor stator material there are also a lot of polymer composites, such as polyimides, poly-
Ether ether ketone, phenolic resin, polyparaphenylene, polysulfones, polyformaldehyde etc., it is only different in performance, it is noted that for this technology
For the those of ordinary skill in field, several lightweight composite wood can also be selected without departing from the principle of the present invention
For material to replace phosphor bronze, these selections also should be regarded as protection scope of the present invention.
Part that the present invention does not relate to is the same as those in the prior art or can be realized by using the prior art.
Claims (5)
1. a kind of light-weighted method of realization ultrasound electric machine, it is characterized in that fixed using the ultrasound electric machine of polymer composites manufacture
Phosphor bronze ultrasonic motor stator is replaced in filial generation, and rotor still uses aluminum alloy surface to paste PTFE base friction layer material；It adopts
The ultrasonic motor stator manufactured with polymer composites, weight mitigate 80-85% compared to phosphor bronze ultrasonic motor stator；
The preparation method that polymer composites ultrasonic motor stator uses is: fiber is mixed by volume with engineering plastics Moulding powder
Compression molding, handles 2h in 100 DEG C of baking ovens for composite powder before hot pressing after uniformly, is then freely sintered to 370 DEG C of heat preservations half
Hour, start to pressurize when being cooled to 240 DEG C, pressure maintaining half an hour when pressure rises to 20MPa, last natural cooling obtains fiber reinforcement
Polymer composites blank, then blank is processed into ultrasonic motor stator；The polymer composites are fiber reinforcement
Engineering plastics, the adding proportion of the fiber is 15-30 vol%.
2. according to the method described in claim 1, it is characterized in that the engineering plastics are with high mechanical strength, resistance to height
Warm, anti abrasive polyphenylene sulfide, polyimides, polyether-ether-ketone, phenolic resin, polyparaphenylene, polysulfones or polyformaldehyde.
3. according to the method described in claim 2, it is characterized in that the Moulding powder average grain diameter of the polyphenylene sulfide is 75 μm.
4. according to the method described in claim 1, it is characterized in that the fiber is that chopped carbon fiber, glass fibre or aramid fiber are fine
Dimension.
5. according to the method described in claim 4, it is characterized in that 7 μm of the chopped carbon fiber diameter, 20-50 μm of length, glass
7 μm of glass fibre diameter, 20-50 μm of length, the diameter of aramid fiber is 7 μm；Length range is 20-50 μm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810708791.1A CN108696177B (en) | 2018-07-02 | 2018-07-02 | A kind of light-weighted method of realization ultrasound electric machine |
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| CN201810708791.1A CN108696177B (en) | 2018-07-02 | 2018-07-02 | A kind of light-weighted method of realization ultrasound electric machine |
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| CN108696177A CN108696177A (en) | 2018-10-23 |
| CN108696177B true CN108696177B (en) | 2019-11-12 |
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| CN1186372C (en) * | 2003-08-07 | 2005-01-26 | 哈尔滨工业大学 | Friction material of polytetrafluoroethylene for supersonic motor |
| CN103241989A (en) * | 2012-02-03 | 2013-08-14 | 钡泰电子陶瓷股份有限公司 | Preparation method for piezoelectric composite material and piezoelectric power generator |
| JP6270273B2 (en) * | 2014-03-20 | 2018-01-31 | アルプス電気株式会社 | Polymer actuator element, electrode layer for polymer actuator element, method for producing electrode layer for polymer actuator element, and method for producing polymer actuator element |
| EP3330986A1 (en) * | 2016-12-05 | 2018-06-06 | Chambre de Commerce et d'Industrie de Région Paris Ile de France (ESIEE Paris) | Compressible fibrous electret structure and electrostatic transducer for kinetic energy harvesting |
| CN106972778B (en) * | 2017-05-24 | 2018-09-25 | 宁波大学 | A kind of the plastics stator preparation method and lightweight ultrasound electric machine of lightweight ultrasound electric machine |
| CN106992709B (en) * | 2017-05-24 | 2018-09-25 | 宁波大学 | A kind of ultrasound electric machine metal-plastic composite stator and preparation method |
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