CN102927186A - Damped product - Google Patents
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- CN102927186A CN102927186A CN2012104594067A CN201210459406A CN102927186A CN 102927186 A CN102927186 A CN 102927186A CN 2012104594067 A CN2012104594067 A CN 2012104594067A CN 201210459406 A CN201210459406 A CN 201210459406A CN 102927186 A CN102927186 A CN 102927186A
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Abstract
A product has a portion with a body having a metal, and a frictional damper. Frictional damper has frictional surfaces in local contact but not bonded together, or a layer with at least one of particles or fibers and a thickness ranging from 1 to 400 mu m.
Description
The application is that the name submitted on July 21st, 2008 is called the dividing an application of Chinese patent application 200810215476.1 of " damped part ".
Technical field
The field that the application relates generally to comprises the parts that frictional damping is provided.
Background technique
The parts that bear vibration can produce unnecessary or unwanted vibration.Similarly, parts or member are with undesirable frequency and/or amplitude running, and the lasting long period.For example, for example brake rotors, support, pulley, brake drum, case of transmission, gear and other parts can produce the noise in the compartment that passes to vehicle.For the generation that reduces noise with prevent from it is passed to the compartment, used various technology, be included in and use polymer coating, sound-absorbing grid on the engine components and have the layered panels of viscoelastic layer.Unwanted vibration can occur in other various products in parts or the member, include but not limited to the manufacturing equipment of sports apparatus, household electric appliance, for example lathe, milling/grinding/drilling hole machine tool, earth-moving equipment, other non-automatic application and bear dynamic load and the member of vibration.These members can be by comprising the variety of way manufacturings such as casting, machine tooling, forging, die casting.
Summary of the invention
One embodiment of the present of invention provide the parts that comprise the main body with metal, and friction damping device, this friction damping device comprises the local rubbing surface that contacts but be not bonded together, or this friction damping device comprises at least a layer that has in particle and the fiber, and it is that about 1 μ m is to about 400 μ m that this layer has thickness range.
It is obvious that other exemplary embodiments of the present invention will become from detailed description hereinafter.Be appreciated that in exemplary embodiment disclosed by the invention, it is bright that detailed description and specific embodiment only are used for institute, and do not limit scope of the present invention.
Description of drawings
Exemplary embodiments of the present invention will be more fully understood from detailed description and accompanying drawing, wherein:
Fig. 1 illustrates product according to an embodiment of the invention;
Fig. 2 illustrates product according to an embodiment of the invention;
Fig. 3 be comprise mold insert one embodiment of the present of invention, with the sectional view of part after removing;
Fig. 4 is rubbing surface, one embodiment of the present of invention, the sectional view after part removed that comprises two intervals of cast metal body part;
Fig. 5 be comprise have be used to one embodiment of the present of invention of the mold insert of the layer of the rubbing surface that damping is provided, with the sectional view of part after removing;
Fig. 6 is one embodiment of the present of invention, with the sectional view of part after removing;
Fig. 7 is the enlarged view of one embodiment of the present of invention;
Fig. 8 is one embodiment of the present of invention, with the sectional view of part after removing;
Fig. 9 is one embodiment of the present of invention, with the amplification view of part after removing;
Figure 10 is one embodiment of the present of invention, with the amplification view of part after removing;
Figure 11 is one embodiment of the present of invention, with the amplification view of part after removing;
Figure 12 illustrates one embodiment of the present of invention;
Figure 13 is one embodiment of the present of invention, with the sectional view of part after removing;
Figure 14 is one embodiment of the present of invention, with the sectional view of part after removing;
Figure 15 be illustrate one embodiment of the present of invention, with the planimetric map of part after removing;
Figure 16 be illustrate one embodiment of the present of invention, along the sectional view of the line 16-16 of Figure 15;
Figure 17 be illustrate one embodiment of the present of invention, with the sectional view of part after removing;
Figure 18 be illustrate the other embodiment of the present invention, with the sectional view of part after removing;
Figure 19 illustrates product according to an embodiment of the invention;
Figure 20 A is the figure of the sonic wave amplitude of according to an embodiment of the invention, rotor to the time;
Figure 20 B is the figure of the sonic wave amplitude of according to an embodiment of the invention, rotor to the time;
Figure 20 C is the figure of the sonic wave amplitude of according to an embodiment of the invention, rotor to the time;
Figure 20 D is the figure of the sonic wave amplitude of according to an embodiment of the invention, rotor to the time;
Figure 20 E is the figure of the sonic wave amplitude of according to an embodiment of the invention, rotor to the time;
Figure 20 F is the figure of the sonic wave amplitude of according to an embodiment of the invention, rotor to the time;
Figure 21 A is that the sonic wave amplitude of according to an embodiment of the invention, rotor is to the figure of frequency;
Figure 21 B is that the sonic wave amplitude of according to an embodiment of the invention, rotor is to the figure of frequency;
Figure 21 C is that the sonic wave amplitude of according to an embodiment of the invention, rotor is to the figure of frequency;
Figure 21 D is that the sonic wave amplitude of according to an embodiment of the invention, rotor is to the figure of frequency;
Figure 21 E is that the sonic wave amplitude of according to an embodiment of the invention, rotor is to the figure of frequency.
Embodiment
The below to embodiment explanation be in fact exemplary, and be not used in the restriction the present invention, its application or use.
With reference to Figure 1A, provide according to one embodiment of present invention mold insert 10.Mold insert 10 can provide damping in parts such as automobile component.In various embodiments, mold insert 10 can have various geometrical constructioies.In one embodiment, mold insert 10 can have the annular solid 12 that comprises inward flange 14 and outward edge 16.The parts that comprise mold insert 10 can be made of a variety of materials, and include but not limited at least a in cast iron, steel, aluminium, titanium or other metal/non-metal (pottery) material.The parts that comprise mold insert 10 can comprise any parts that can bear vibration/dynamic loading, for example, include but not limited to brake rotors, support, pulley, brake drum, gear box casing, gear, motor field frame, axle, bearing, motor, bat, lathe, milling machine, drilling machine or grinding machine.
In one embodiment, mold insert 10 can comprise at least one fin 18, and this fin stretches out from least one of the inward flange 14 of annular solid 12 and outward edge 16.In Figure 1A, the fin that stretches out from inward flange 14 18 illustrates with hacures.In one embodiment, mold insert 10 can have coating thereon.In another embodiment, annular solid 12 can have coating, but fin 18 can not have coating.In one embodiment, this mold insert can not have coating.
According to one embodiment of present invention, mold insert 10 can be included in the annular strengthening rib 20 in the annular solid 12.Comprise in the process of parts of mold insert 10 in manufacturing, fin 18 can allow mold insert 10 firmly to be fixed in the mould, thereby produces this parts.Two parts of mold can be exerted pressure at fin 18.Mold insert 10 can have enough hardness in order to integrally be loaded in this mould.Annular strengthening rib 20 can be approximately equidistant with inward flange 14 and outward edge 16.In another embodiment, mold insert 10 can comprise a plurality of radially strengthening rib 22, this radially strengthening rib can extend to from the inward flange 14 of annular solid 12 outward edge 24 of fin 18.
With reference to Fig. 2, in one embodiment, described at least one fin 18 can comprise crooked fin section 30.Crooked fin section 30 can be perpendicular to the remaining part of fin 18, and perhaps, this crooked fin section 30 can become with respect to the remaining part of fin 18 any suitable angle.When using vertical mold, crooked fin section 30 is used in the part place that the mould closure remains on mold insert 10 sand mo(u)ld before.In casting on flat technique, if necessary, fin 18 can be straight or crooked.The quantity of fin 18 can change as required.
In a further embodiment, annular solid 12 can comprise a plurality of embedding piece groove (not shown).Embedding piece groove can be any shape, for example ellipse, circle, square, rectangular or triangle.This embedding piece groove can allow mold insert 10 to become segmentation in moulding process, and every section can be supported and prevent movement that it is too much by fin 18.Therefore, this embedding piece groove can prevent the gross distortion of mold insert 10 during casting technique.
With reference to Fig. 3-18, one embodiment of the present of invention comprise product or the parts 500 with friction damping device.This friction damping device can be used in the multiple application, includes but not limited to reduce the noise relevant with vibration member, perhaps needs to reduce be hit, dynamic loading, be excited or amplitude and/or the application of the endurance of shaking of the parts that move.In one embodiment, this friction damping device can include the surface of contact border that helps to rub the parts that suppress to vibrate.In one embodiment, this damping device can comprise structure and be set to move relative to each other and the rubbing surface 502 of rubbing contact, so that by the dissipate vibration of these parts of the frictional damping that is produced by surface 502 fricting movement relative to each other.
According to various exemplary embodiments of the present invention, frictional damping obtains by the motion relative to each other of rubbing surface 502.Rubbing surface 502 motion relative to each other can comprise: the surface motion relative to each other of the main body 506 of these parts; The relatively motion on the surface of mold insert 504 of the surface of the main body 506 of these parts; The surface of the main body 506 of these parts is with respect to the motion of layer 520; The surface of mold insert 504 is with respect to the motion of layer 520; The motion of the relative particle 514 in the surface of the main body 506 of these parts or fiber; The motion of the relative particle 514 in the surface of mold insert 504 or fiber; Perhaps, particle 514 or fiber are relative to each other or the fricting movement of relatively residual jointing material.
Surface one of in main body 506 or mold insert 10 or layer 520 is arranged among the embodiment of rubbing surface 502, rubbing surface 502 can have the Minimum Area that rubbing contact can occur, this zone can extend upward in first party the minimum range of 0.1mm, and/or extends the minimum range of 0.1mm in second direction (being generally horizontal direction).In one embodiment, mold insert 10 can be circumferential body, and the distance of the extremely about 1000mm of about 20mm and the distance of extending in a lateral direction the extremely about 75mm of about 10mm can be extended at circumferential direction in the rubbing contact zone of rubbing surface 502.Rubbing surface 502 can provide in various embodiments, for example, and as shown in Fig. 3-18.
Referring again to Fig. 3, in another embodiment of the present invention, one or more outer surface 522 of mold insert 10,524 or the surface 526,528 of the main body 506 of parts 500 can comprise relatively coarse surface, this rough surface comprises a plurality of peak sections 510 and paddy section 512, thereby strengthens the frictional damping of these parts.In one embodiment, the described surface of mold insert 10 or main body 506 can be by sand blast, spray glass bead, water spray impact, chemical corrosion, machine tooling or similar technique.
As shown in Figure 4, in one embodiment, rubbing surface 502(for example extends from an A-B) can be that the second rubbing surface 502(of being positioned to main body 506 for example extends from a C-D) first surface of the main body 506 of the parts 500 of adjacency.Main body 506 can be included in wherein groove shape structure 508 that form, relatively narrow, thereby at least two rubbing surfaces 502 that define described groove shape structure 508 can be engaged with each other, be used for the process fricting movement at this component vibration, thereby the frictional damping of parts 500 is provided.In various embodiments of the invention, groove shape structure 508 can form by foundry goods is carried out machining, and perhaps by forming with sacrificing the mold casting mold insert, this sacrifice mold casting mold insert can remove by for example etching or machining after casting.In one embodiment, sacrifice type mold insert can tolerate the temperature of molten metal in casting process, and easier to be more processed than the cast metal.Each rubbing surface 502 can have a plurality of peak section 510 and a plurality of paddy section 512.Can change according to embodiment such as the degree of depth with the paddy section 512 shown in the line V.In various embodiments, the scope of the mean value of the degree of depth V of paddy section 512 can be about 1 μ m-300 μ m, 50 μ m-260 μ m, the variation of 100 μ m-160 μ m or these scopes.But, for the whole circumstances, in component working, have the part contact between the relative rubbing surface 502, to produce frictional damping.
In another embodiment of the present invention, described damping device or rubbing surface 502 can by at least one face of mold insert 10 or lip-deep particle 514 or the fiber of the main body 506 of parts 500 provide.As shown in figure 12, shape that particle 514 can have irregular (for example rough), thus strengthen frictional damping.One embodiment of the present of invention can comprise layer 520, this layer comprises particle 514 or fiber, because the intrinsic adhesion characteristic of particle 514 or fiber, so they can be bonded to each other, or be adhered on the surface of main body 506 of these parts, or be adhered on the surface of mold insert 10.For example, the adhesion characteristic of particle 514 or fiber can be so that particle 514 or fiber can be bonded to each other or be adhered on the surface of main body 506 or mold insert 10 under compression.In another embodiment of the present invention, particle 514 or fiber can be treated to has coating thereon, or connect thereon function group, thus this particle is bonded together, maybe this particle is adhered at least one of surface of the surface of main body 506 and mold insert 10.In another embodiment of the present invention, particle 514 or fiber can be embedded at least one of the main body 506 of these parts and mold insert 10, thereby rubbing surface 502(Fig. 7-8 is provided).
Be shaped such that at least a portion of parts 500 mold insert 10 and/or particle 514 or fiber are exposed among the embodiment under the temperature of melted material in casting for example, mold insert 10 and/or particle 514 or fiber can be by preventing from flowing in manufacture process or the material of opposing heavy corrosion is made.For example, mold insert 10 and/or particle 514 or fiber can comprise refractory material, and this material can being higher than 1100 F, being higher than 2400 F or being higher than anti-flowing under the temperature of 2700 F, perhaps can seriously not corrode.When the melted material of for example metal when casting around mold insert 10 and/or the particle 514, mold insert 10 or particle 514 should not got wet by this melted material, thereby the position of the rubbing surface 502 of frictional damping is provided at needs, and this molten metal can not be adhered on mold insert 10 or the layer 520.
Make among the embodiment of parts 500 in the technique of having used mold insert 10 wherein and/or particle 514 or fiber can not afford the relatively-high temperature relevant with melted material, mold insert 10 and/or particle 514 or fiber can be made by various other materials, and this material includes but not limited to non-infusibility polymer material, pottery, composite material, timber or other suitable materials that produces frictional damping.For example, as shown in Figure 6, when two parts of the main body 506 of parts 500 mechanically keep together by locking mechanism, fixed block, tackiness agent or weldment 518, also can use non-like this refractory material (as the additional or substitute of refractory material).
In another embodiment of the present invention, layer 520 can be in the main body 506 of these parts or the coating on the mold insert 10.This coating can comprise many particles 514, and this particle 514 can pass through inorganic or organic bond 516(Fig. 5,6,11) or other jointing materials bonded to each other, and/or be adhered on the described surface or mold insert 10 of main body 506 of these parts.The embodiment of suitable tackiness agent includes but not limited to epoxy resin, phosphoric acid tackiness agent, calcium aluminate, sodium silicate, wood powder or clay.In another embodiment of the present invention, particle 514 can keep together by inorganic bond, and/or is adhered on main body 506 or the mold insert 10.In one embodiment, this coating can be used as silicic acid liquid dispersed mixture aluminium base, organic bonding infusibility mixture and is deposited on mold insert 10 or the main body 506.
In another embodiment, this coating can comprise and lignosulfonate tackiness agent, cristobalite (SiO
2), the aluminium oxide that mixes of quartz or Calcium Lignosulphonate 99.99 min and tripoli particle at least a.This Calcium Lignosulphonate 99.99 min can be used as tackiness agent.In one embodiment, this coating can comprise IronKote.In one embodiment, liquid coating can be deposited on the part of this mold insert, and can comprise high temperature Ladle Kote 310B.In another embodiment, this coating can comprise clay, Al
2O
3, SiO
2, at least a in graphite and clay mixture, silicon carbide, silicon nitride, steinheilite (magnesium-iron-aluminosilicate), mullite (aluminosilicate), zirconium oxide (zirconium oxide) and the phyllosilicate.In one embodiment, this coating can comprise fiber, for example pottery or mineral fibre.
When having the layer 520 that comprises particle 514 or fiber in mold insert 10 or article body 506, thickness L(Fig. 5 of layer 520, particle 514 and/or fiber) can change.In various embodiments, the scope of the thickness L of layer 520, particle 514 and/or fiber is the variation of about 1 μ m-400 μ m, 10 μ m-400 μ m, 30 μ m-300 μ m, 30 μ m-40 μ m, 40 μ m-100 μ m, 100 μ m-120 μ m, 120 μ m-200 μ m, 200 μ m-300 μ m, 200 μ m-250 μ m or these scopes.
In another embodiment of the present invention, particle 514 or fiber can temporarily keep together by all or part of sacrifice type coating, and/or remain on the described surface of mold insert 10.When cast metal around mold insert 10 or thereon, sacrifice type coating can be melted metal consumption or burn up.Particle 514 or fiber are hunted down and stay between the main body 506 and mold insert 10 of this foundry goods, thereby provide by particle 514 or fibrous or basically by particle 514 or fibrous layer 520.
Can the whole of mold insert 10 or only the part on arrange the layer 520.In one embodiment of the invention, mold insert 10 can comprise fin 534(Fig. 5).For example, mold insert 10 can comprise circumferential body section and radially inside or outwardly directed fin 534 from this circumferential body section.In one embodiment of the invention, the surface 536 that at least one of fin 534 can be got wet do not comprise contain particle 514 or fiber the layer 520 or, got wet the material of setting example such as graphite on fin 534, thereby on the surface 536 that this cast metal is adhered to get wet, so that mold insert 10 is connected on the main body 506 of parts 500, but still allow do not producing frictional damping with bonding all the other the mold insert surfaces of this foundry goods.
In one embodiment of the invention, at least a portion of mold insert 10 is processed, or the characteristic of mold insert 10 is not so that until the solidifying of molten metal, molten metal is also got wet or is adhered on this part of mold insert 10.According to one embodiment of present invention, the main body 506 of these parts and at least one in the mold insert 10 comprise metal, such as but not limited to aluminium, steel, stainless steel, cast iron, other various alloys, perhaps comprise the metal-base composites of abrasive particle.In one embodiment of the invention, mold insert 10 can comprise and for example be the material of metal, and it has than around its part higher fusing point of fusing point casting, molten metal.
In one embodiment, mold insert 10 can have minimum average thickness and/or the minimum width of 0.1mm and/or the minimum length of 0.1mm of 0.2mm.In a further embodiment, mold insert 504 can have minimum average thickness and/or the minimum width of 2mm and/or the minimum length of 5mm of 0.2mm.In other embodiments, can to have scope be about 0.1-20mm, 0.1-6.0mm or 1.0-2.5mm or the thickness of scope between it to mold insert 10.
Referring now to Fig. 9-11, rubbing surface 502 can have again a plurality of peak section 510 and a plurality of paddy section 512.Can change according to embodiment with the degree of depth shown in the line V, paddy section 512.In various embodiments, the mean value of the degree of depth V of paddy section 512 can be the variation of about 1 μ m-300 μ m, 50 μ m-260 μ m, 100 μ m-160 μ m or these scopes.But, for the whole circumstances, at the duration of work of parts, between main body 506 and mold insert 10, have local contact, so that frictional damping occurs.
In other embodiments of the invention, can pass through the thickness (L as shown in Figure 5) of regulating course 520 to the improvement of frictional damping, or reach by the relative position of the relative rubbing surface 502 of adjusting or the mean depth (for example, as shown in Figure 4) of paddy section 512.
In one embodiment, mold insert 10 be not preloaded or be in pre-tensioner lower or keep in position by tension force.In one embodiment, mold insert 10 is not spring.The other embodiment of the present invention comprises the technique of casting the material that comprises metal around mold insert 10, and its restrictive condition is, is used to provide the core that rubbing surface 502 parts of the mold insert of frictional damping are not positioned in this casting mould and catches or encase.In various embodiments, mold insert 10 or layer 520 comprise at least one rubbing surface 502, or two relative rubbing surfaces 502 that surrounded fully by the main body 506 of these parts.In another embodiment, comprise that the layer 520 of particle 514 or fiber can be surrounded fully by the main body 506 of these parts, or surrounded fully by main body 506 and mold insert 10, wherein at least one in main body 506 and the mold insert 10 comprises metal or basically is comprised of metal.In one embodiment of the invention, layer 520 and/or mold insert 10 does not comprise or be not carbon paper or cloth.
Referring again to Fig. 3-6, in various embodiments of the invention, mold insert 10 can comprise first surface 522 with relative second 524, and the main body 506 of these parts can comprise the first inner face 526, this first inner face is in abutting connection with the first surface 522 of mold insert 10 and be configured to and its complementation, nominally for example parallel with it.The main body 506 of these parts comprises the second inner face 528, and this second inner face is in abutting connection with second 524 of mold insert 10 and be configured to and its complementation, and is for example in parallel.Main body 506 can comprise the first outside 530, and this first outside is on the first surface 522 of mold insert 10 and be configured to and its complementation, and is for example in parallel.Main body 506 can comprise the first outside 532, and this first outside is on second 524 of mold insert 10 and be configured to and its complementation, and is for example in parallel.But in other embodiments of the invention, the outside 530,532 of main body 506 is not complementary with respective face 522,524 formations of mold insert 10.When damping device by the main body 506 at parts 500 in groove structure 508 that form, narrow when providing, groove structure 508 can partly be limited by the first inner face 526 and the second inner face 528, described surface construction is complimentary to one another, for example is parallel to each other.In other embodiments, surface 526 and 528, surface 526 and 522 or surperficial 528 and 524 are fitting surfaces but are not parallel to each other.
With reference to Figure 13-14, in one embodiment of the invention, mold insert 10 can be inlay, and its first surface 522 be can't help the main body 506 of these parts and surrounded.Mold insert 10 can comprise as shown in figure 13 reclinate tang or fin 534.In one embodiment of the invention, the surface 536 that can get wet can be provided as and not comprise the layer 520 with particle 514 or fiber, perhaps has for example got wet the material of graphite at fin 534, thereby on the surface 536 that the cast metal can be adhered to get wet, thereby mold insert 10 is connected on the main body of these parts, but still the frictional damping of permission on non-adhesive surface.The layer 520 that comprises particle 514 or fiber can be positioned at second 524 these part being not used in the mold insert 10 that becomes crooked fin 534 below.
In another embodiment of the present invention, mold insert 10 comprises fin 534(Figure 14 of moulding by the part first surface 522 of machining mold insert 10).Fin 534 can comprise the surface 536 that can get wet, and it has bonding cast metal on it, thereby mold insert 10 is connected on the main body of these parts, but still allows to realize frictional damping by non-adhesive surface.Comprise that the layer 520 of particle 514 or fiber can be positioned at the below of whole or its part of second 524.In other embodiments of the invention, the all surfaces that comprises fin 534 can be non-getting wet, for example by the mode of coating 520 is set thereon, and the structure on the main body 506, such as but not limited to shoulder 537, be used for mold insert 10 is remained on the appropriate location.
Referring now to Figure 15, one embodiment of the present of invention can comprise the parts 500 of the mold insert 10 that has main body 506 and surrounded by main body 506.Mold insert 10 can be included in wherein the through hole that forms, thereby makes pile body or cylinder 540 extend in the mold insert 10 or pass mold insert 10.
With reference to Figure 16, it is the sectional view of the 16-16 along the line of Figure 15, in one embodiment of the invention, has the layer 520 that comprises many particles 514 or fiber (not shown) at least a portion of mold insert 10, thereby rubbing surface 502 is provided, and has prevented that the cast metal is thereon bonding.Comprise that layer 520 mold insert 10 can be arranged in the casting mould, and molten metal can pour into casting mould, and coagulation forming extends through the cylinder 540 of mold insert 10 with formation.The internal surface 542 that limits the through hole of mold insert 10 can not have layer 520 or can comprise the material that can get wet on it, thereby cylinder 540 is adhered on the mold insert 10.Alternatively, in a further embodiment, cylinder 504 is not adhered on the mold insert 10 at internal surface 542 places.Mold insert 10 can comprise feature, and such as but not limited to shoulder 505, and/or cylinder 540 can comprise feature, such as but not limited to shoulder 537, is used for this mold insert is remained on the appropriate location.
Referring now to Figure 17, in another embodiment, mold insert can be the inlay in the foundry goods that comprises main body 506, and can comprise the cylinder 540 that extends in the mold insert 10 or pass mold insert 10.This mold insert 10 can be adhered on the cylinder 540, thereby this mold insert is remained on the appropriate location, and still allows frictional damping.In one embodiment of the invention, mold insert 10 can comprise the recess that the internal surface 542 by mold insert 10 limits, and cylinder 540 may extend into mold insert 10, but does not pass mold insert 10.In one embodiment, cylinder 540 can be at the bonding mold insert 10 in internal surface 542 places.Mold insert 10 can comprise feature, such as but not limited to shoulder 505, and/or cylinder 540 can comprise feature, such as but not limited to shoulder 537, be used for this mold insert is remained on the appropriate location.
Referring now to Figure 18, in another embodiment of the present invention, mold insert 10 or basic unit can be arranged on the outer surface 530 of main body 506.Between mold insert 10 and outer surface 530, can have or not have layer 520.Mold insert 10 can be constructed and arranged to have the through hole that passes its formation or be formed at wherein recess, forms cylinder 540 so that the cast metal may extend into or pass mold insert 10, thereby this mold insert is remained on the appropriate location, and still allow frictional damping.As required, cylinder 540 can bondingly maybe can not be adhered to mold insert 10.If necessary, cylinder 540 can pass mold insert 10 and extend, and connects the other part of main body 506.
In various embodiments, have or do not have layer 520 or the mold insert 10 of coating and can be included in any suitable components 500, thereby provide frictional damping to reduce or eliminate vibration, for example noise.Parts 500 with mold insert 10 can be with any suitable method manufacturing.In one embodiment, as the embodiment of suitable parts 500, mold insert 10 is encased in for example rotor assembly 32(Figure 19) automobile component in.Rotor assembly 32 can comprise hub section 34, ring part 36 and mold insert 10.Ring part 36 can comprise the first brake pad unilateral 38 and the second brake pad unilateral 40.Mold insert 10 can be arranged between the first brake pad unilateral 38 and the second brake pad unilateral 40.In various embodiments, rotor assembly 32 can be ventilation or nonventilated.
The parts that comprise mold insert 10 for example comprise the rotor assembly 32 of mold insert 10, and available many modes are made.For example, in one embodiment, this mold insert can be arranged in the seam groove of rotor.In a further embodiment, between mold insert 10 two half-unit that can be encapsulated in this rotor is divided.In a further embodiment, this mold insert can be arranged in pipeline or other locking devices, and molten metal can be around the casting of this pipeline, thereby forms rotor assembly 32.In a further embodiment, this rotor can be around mold insert 10 castings.Casting technique can be vertical or level.In vertical casting technique, mold insert 10 can use automatic setting equipment to be arranged on the sand mo(u)ld, and/or arranges with the core assembly mould.Fin 18 can be used for mold insert 10 is arranged and is stably fixed in this mould, and is used for keeping in casting technique the stability of this mold insert.In casting on flat technique, mold insert 10 can be arranged on the Lower Half of sand mo(u)ld.
With reference to Figure 20 A-F, determine the scope of its sound dampening after being beaten by hammer for the rotor of multiple structure.Use single brake rotors prototype and suitable mold insert, carry out design improvement and measurement for multiple different structure, this design improvement comprises solid rotor with mold insert, do not have the slotted rotor of mold insert and have the slotted rotor of mold insert, also comprises the delta value of variation.Delta is the thickness nominal mean difference dimensionally of width and the described mold insert of described groove.Delta is average measurement value, and this is because of the surface for this mold insert and main body, has some local contacts between this mold insert and main body, and they have formed each delta value of determining.Figure 20 A does not have the sound amplitude of solid rotor of mold insert with respect to the figure of time.Figure 20 B does not have the sound amplitude of slotted rotor of mold insert with respect to the figure of time.Figure 20 C has without the sound amplitude of the slotted rotor of the coating mold insert figure with respect to the time, and wherein delta is 50 μ m.Figure 20 D has without the sound amplitude of the slotted rotor of the coating mold insert figure with respect to the time, and wherein delta is 100 μ m.Figure 20 E has without the sound amplitude of the slotted rotor of the coating mold insert figure with respect to the time, and wherein delta is 160 μ m.Figure 20 F has without the sound amplitude of the slotted rotor of the coating mold insert figure with respect to the time, and wherein delta is 260 μ m.From these figure, be appreciated that delta be 100 μ m or 160 μ m can improve sound dampening without the coating mold insert.
With reference to Figure 21 A-E, determine the scope of its sound dampening after being beaten by hammer for the rotor of multiple structure.Identical rotor geometry and identical mold insert geometrical construction are used for each design of Figure 21 A-E, and wherein the coating thickness on this mold insert can be regulated according to the indication of back.Shown coating thickness is average measurement value.Figure 21 A illustrates the sound amplitude of the solid rotor with mold insert with respect to the figure of frequency.Figure 21 B shows and comprises without the sound amplitude of the rotor of the coating mold insert figure with respect to frequency.Little insertion square frame among Figure 21 B shows described parts and without the section of coating mold insert.Figure 21 C shows the sound amplitude of the rotor that comprises the mold insert with 40 μ m thick coatings with respect to the figure of frequency.Little insertion square frame among Figure 21 C shows mold insert with 40 μ m thick coatings and the section of described parts.With reference to Figure 21 D, it shows the sound amplitude of the rotor that comprises the mold insert with 120 μ m thick coatings with respect to the figure of frequency.Little insertion square frame among Figure 21 D shows mold insert with 120 μ m thick coatings and the section of described parts.With reference to Figure 21 E, it shows the sound amplitude of the rotor that comprises the mold insert with 250 μ m thick coatings with respect to the figure of frequency.Little insertion square frame among Figure 21 E shows mold insert with 250 μ m thick coatings and the section of described parts.The impact of noise damping is more obvious in the high-frequency range relevant with singing.As seeing from these figure, the mold insert with 250 μ m thick coatings demonstrates the sound dampening of improvement under higher frequency.
Shown in the other test result table 1 below.Table 1 illustrates the characteristic of the frictional damping of various mold inserts.Delta is the thickness nominal mean difference dimensionally of width and the described mold insert of described groove.
Table 1
In the test about table 1, use the not cated mold insert of tool, so that this mold insert can weld (or bonding) to the cast part of these parts.Mold insert is being placed seam groove and delta are approximately the test of 0 μ m, mold insert does not weld (or bonding) to the remaining part of these parts.
Here employed term " ... on ", " be positioned at ... the top ", " being arranged on ... the top ", " ... lower ", " be positioned at ... the below " or " be arranged on ... the below " be used for explanation first layer or parts with respect to the relative position of the second layer or parts; and this explanation first layer or parts are located immediately on the second layer or the parts; or directly contact with the second layer or parts, or extra layer or parts can be inserted between first layer or parts and the second layer or the parts.
The above-mentioned explanation for embodiment of the present invention only is example in itself, so its distortion is considered to not deviate from the spirit and scope of the present invention.
Claims (18)
1. product comprises:
Parts and friction damping device, these parts comprise the main body with metal, this friction damping device comprises at least a layer that has in particle and the fiber, this layer has the thickness range that is approximately 200 μ m-250 μ m, perhaps this friction damping device comprises the mold insert that is contained in the groove that is formed in this main body, and wherein the scope of the nominal mean difference between the size of the thickness of the width of this groove and this mold insert is 100-160 μ m.
2. product according to claim 1 is characterized in that, described friction damping device comprises mold insert.
3. product according to claim 2 is characterized in that, described mold insert comprises annular solid.
4. product according to claim 2 is characterized in that, described mold insert comprises and at least a in aluminium, steel, stainless steel, cast iron and any multiple other alloys perhaps comprises the metallic matrix composite that contains abrasive particle.
5. product according to claim 2 is characterized in that, the rubbing surface of described local contact comprises the surface of described mold insert and the surface of described main body.
6. product according to claim 1 is characterized in that, described rubbing surface comprises a plurality of peak sections and paddy section, and wherein the mean depth scope of this paddy section is average approximately 1-300 μ m.
7. product according to claim 1 is characterized in that, described rubbing surface comprises a plurality of peak sections and paddy section, and wherein the mean depth scope of this paddy section is average approximately 100-160 μ m.
8. product according to claim 1, it is characterized in that, described layer comprises at least a in silica, aluminium oxide, clay graphite, silicon carbide, silicon nitride, steinheilite (magnesium-iron-aluminosilicate), mullite (alumina silicate), zirconium oxide (Zirconium oxide), phyllosilicate and other high-temperature resistant particles.
9. product according to claim 1 is characterized in that, described layer comprises at least a in epoxy resin, phosphoric acid tackiness agent, calcium aluminate, sodium silicate, wood powder and the clay.
10. product according to claim 1 is characterized in that, described layer comprises silicic acid liquid dispersed mixture aluminium base, organic bonding infusibility mixture.
11. product according to claim 1 is characterized in that, described layer comprises blames at least a in melt polymeric material, pottery, composite and the timber.
12. product according to claim 1 is characterized in that, described layer comprises at least a in aluminium oxide or tripoli particle, lignosulfonate tackiness agent, cristobalite (silica) and the quartz.
13. product according to claim 12 is characterized in that, described lignosulfonate tackiness agent comprises the Calcium Lignosulphonate 99.99 min tackiness agent.
14. product according to claim 1 is characterized in that, described fiber comprises at least a in ceramic fiber and the mineral fibre.
15. product according to claim 1, it is characterized in that, described product comprises one of them of brake rotors, support, pulley, brake drum, case of transmission, gear, motor field frame, axle, bearing, motor, bat, lathe, milling machine, drilling machine and grinding machine.
16. product according to claim 1 is characterized in that, described parts comprise having the rotor that the first brake pad is unilateral and the second brake pad is unilateral, and are placed on the mold insert between this first braking surface and the second braking surface.
17. product according to claim 1 is characterized in that, the dimensional range of the particle in the described layer is that about 1 μ m is to about 400 μ m.
18. product according to claim 1 is characterized in that, described layer can bear the temperature greater than 2400 F.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US95090407P | 2007-07-20 | 2007-07-20 | |
| US60/950904 | 2007-07-20 | ||
| CN200810215476A CN101520077A (en) | 2007-07-20 | 2008-07-21 | Damped product |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810215476A Division CN101520077A (en) | 2007-07-20 | 2008-07-21 | Damped product |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102927186A true CN102927186A (en) | 2013-02-13 |
| CN102927186B CN102927186B (en) | 2016-04-13 |
Family
ID=41080827
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210459406.7A Expired - Fee Related CN102927186B (en) | 2007-07-20 | 2008-07-21 | Damped part |
| CN200810215476A Pending CN101520077A (en) | 2007-07-20 | 2008-07-21 | Damped product |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810215476A Pending CN101520077A (en) | 2007-07-20 | 2008-07-21 | Damped product |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN102927186B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443325A (en) * | 2018-04-02 | 2018-08-24 | 江苏理工学院 | Impact damper for high-speed rotating machine |
| CN111894379A (en) * | 2020-07-28 | 2020-11-06 | 上海恩井汽车科技有限公司 | Damper for tail gate driving system, tail gate driving system and automobile |
| CN114101753A (en) * | 2021-12-15 | 2022-03-01 | 唐山市三川钢铁机械制造有限公司 | Horizontal deep hole drilling machine based on particle damping vibration attenuation and damping vibration attenuation design method thereof |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130256143A1 (en) * | 2012-03-30 | 2013-10-03 | GM Global Technology Operations LLC | Anodized inserts for coulomb damping or frictional damping |
| CN103453063B (en) * | 2012-12-03 | 2015-04-22 | 上海理工大学 | Nested collision damper |
| US9771994B2 (en) * | 2015-11-06 | 2017-09-26 | Schaeffler Technologies AG & Co. KG | Wet friction materials including cristobalite as filler material |
| DE102016104509B3 (en) * | 2016-03-11 | 2017-08-03 | Ks Gleitlager Gmbh | Metal / plastic sliding bearing composite material and slide bearing element produced therefrom |
| DE102017208529A1 (en) * | 2017-05-19 | 2018-11-22 | Continental Teves Ag & Co. Ohg | Brake disc with a friction ring made of PMMC material |
| DE102019207292A1 (en) * | 2019-05-18 | 2020-11-19 | Robert Bosch Gmbh | Friction brake body for a friction brake of a motor vehicle, friction brake and method for producing a friction brake body |
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| US3494884A (en) * | 1964-05-27 | 1970-02-10 | Jurid Werke Gmbh | Friction lining compositions |
| US5143184A (en) * | 1991-02-14 | 1992-09-01 | Allied-Signal Inc. | Carbon composite brake disc with positive vibration damping |
| US5562745A (en) * | 1994-03-16 | 1996-10-08 | Minnesota Mining And Manufacturing Company | Abrasive articles, methods of making abrasive articles, and methods of using abrasive articles |
| US5819882A (en) * | 1996-04-02 | 1998-10-13 | Alliedsignal Inc. | Multi-disc brake actuator for vibration damping |
| US5878843A (en) * | 1997-09-24 | 1999-03-09 | Hayes Lemmerz International, Inc. | Laminated brake rotor |
| US20070062768A1 (en) * | 2005-09-19 | 2007-03-22 | Hanna Michael D | Bi-metal disc brake rotor and method of manufacturing |
| CN101090226A (en) * | 2006-05-05 | 2007-12-19 | 张玉宝 | Reluctance motor and self-control optical coupled switch and motion control, structure damp and radiating method |
-
2008
- 2008-07-21 CN CN201210459406.7A patent/CN102927186B/en not_active Expired - Fee Related
- 2008-07-21 CN CN200810215476A patent/CN101520077A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3494884A (en) * | 1964-05-27 | 1970-02-10 | Jurid Werke Gmbh | Friction lining compositions |
| US5143184A (en) * | 1991-02-14 | 1992-09-01 | Allied-Signal Inc. | Carbon composite brake disc with positive vibration damping |
| US5562745A (en) * | 1994-03-16 | 1996-10-08 | Minnesota Mining And Manufacturing Company | Abrasive articles, methods of making abrasive articles, and methods of using abrasive articles |
| US5819882A (en) * | 1996-04-02 | 1998-10-13 | Alliedsignal Inc. | Multi-disc brake actuator for vibration damping |
| US5878843A (en) * | 1997-09-24 | 1999-03-09 | Hayes Lemmerz International, Inc. | Laminated brake rotor |
| US20070062768A1 (en) * | 2005-09-19 | 2007-03-22 | Hanna Michael D | Bi-metal disc brake rotor and method of manufacturing |
| CN101090226A (en) * | 2006-05-05 | 2007-12-19 | 张玉宝 | Reluctance motor and self-control optical coupled switch and motion control, structure damp and radiating method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443325A (en) * | 2018-04-02 | 2018-08-24 | 江苏理工学院 | Impact damper for high-speed rotating machine |
| CN111894379A (en) * | 2020-07-28 | 2020-11-06 | 上海恩井汽车科技有限公司 | Damper for tail gate driving system, tail gate driving system and automobile |
| CN114101753A (en) * | 2021-12-15 | 2022-03-01 | 唐山市三川钢铁机械制造有限公司 | Horizontal deep hole drilling machine based on particle damping vibration attenuation and damping vibration attenuation design method thereof |
| CN114101753B (en) * | 2021-12-15 | 2023-09-05 | 唐山市三川钢铁机械制造有限公司 | Horizontal deep hole drilling machine based on particle damping vibration attenuation and damping vibration attenuation design method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102927186B (en) | 2016-04-13 |
| CN101520077A (en) | 2009-09-02 |
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