CN101449047B - Device for connecting two machine parts and method for producing such a device - Google Patents
Device for connecting two machine parts and method for producing such a device Download PDFInfo
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- CN101449047B CN101449047B CN2007800173668A CN200780017366A CN101449047B CN 101449047 B CN101449047 B CN 101449047B CN 2007800173668 A CN2007800173668 A CN 2007800173668A CN 200780017366 A CN200780017366 A CN 200780017366A CN 101449047 B CN101449047 B CN 101449047B
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- 238000004519 manufacturing process Methods 0.000 title description 4
- 239000002245 particle Substances 0.000 claims abstract description 79
- 239000000463 material Substances 0.000 claims abstract description 52
- 238000000034 method Methods 0.000 claims description 45
- 239000011248 coating agent Substances 0.000 claims description 21
- 238000000576 coating method Methods 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 229910052698 phosphorus Inorganic materials 0.000 claims description 6
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 5
- 238000005530 etching Methods 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000012876 carrier material Substances 0.000 claims description 2
- 239000000155 melt Substances 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 238000001947 vapour-phase growth Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract 1
- 238000011068 loading method Methods 0.000 abstract 1
- 238000000227 grinding Methods 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- 238000005245 sintering Methods 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 208000034189 Sclerosis Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2/00—Friction-grip releasable fastenings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2/00—Friction-grip releasable fastenings
- F16B2/005—Means to increase the friction-coefficient
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C9/00—Bearings for crankshafts or connecting-rods; Attachment of connecting-rods
- F16C9/02—Crankshaft bearings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Powder Metallurgy (AREA)
Abstract
The present invention relates to a device for connecting two machine parts which bear against each other along a separating gap and are held together by retaining forces running transversely with respect to the separating gap, in particular a lower part (2), which is integrated in the machine frame (1), and an upper part (3), which can be placed thereon and can be connected thereto by tie rods (4), of a large motor, lateral forces arising during installation can be avoided in a simple manner and nevertheless loadings running transversely with respect to the retaining forces can be reliably transmitted by the fact that the mutually facing bearing surfaces (5, 6) of the machine parts bearing against each other only have regions running at right angles to the retaining forces and that said regions are assigned means which increase the mutual friction and have particles (12); which are embedded into a metallic support material, project on the surface and are composed of a harder material than the material present in the region of the bearing surfaces (5, 6).
Description
Technical field
The present invention relates to a kind of device that is used to connect two mechanical parts that in the zone of a seam, be adjacent to each other, that engage by the confining forces that extend transverse to seam.
The invention still further relates to a kind of method that is used to make such device.
Background technique
Crankshaft main bearing by the known a kind of two-stroke large diesel engine of DE 101 36 638 A1, one of them be used to stop top with respect to the device of the relative movement of the side direction of bottom with such form setting, promptly with respect to substantially horizontal inclination, mutual surface of contact is set between bottom and top in the zone of seam, these surface of contact can bear vertical and active force side direction.In other words in this case, the lateral force of on-stream generation is delivered on the bottom from top reliably.But when known configuration assembling, rule of thumb produce the hole enlargement on top.Consequently, only allow under the state of having assembled, to make bearing hole.But this has proved very effort, because only just can pack bent axle into when pulling down top.
Summary of the invention
Set out thus so the objective of the invention is, utilize simple and low cost method is improved a kind of device that starts described type in this wise, so that stop the relative movement of the side direction of the mechanical part that is adjacent to each other reliably, and do not need to favour the surface of contact of confining force direction.Another object of the present invention is to provide a kind of simple and low cost method for the device of making the described type of beginning.
According to the present invention, improved purpose at device reaches like this, the opposed facing surface of contact of the mechanical part that promptly is adjacent to each other only has some zones of extending perpendicular to confining force, and improve the mechanism of phase mutual friction for these area configurations, described mechanism have some be embedded in the metal carrier material, at the outstanding particle of surface side, these particles by a kind of with respect to constituting based on the harder material of the material of mechanical part.
These measures provide a seam of extending perpendicular to confining force and the seam that correspondingly can be implemented in a level between bottom and the top in a crankshaft main bearing.Therefore guarantee whereby, when top is installed, do not produce the power of any outside orientation, thereby top is not by hole enlargement (aufgeweitet).This result who produces again is, can make bearing hole under the state of bearing removal, and this does not need the assembling repeatedly and the dismounting on top.Guarantee to bear reliably the lateral force of on-stream generation simultaneously by the mutual friction that improves.Constitute by a kind of hard relatively material, under the outstanding effect of particle of surface side, can be pressed in the corresponding surface of configuration respectively at confining force, this causes, and a kind of mutual miniature shape is sealed to cause a kind of high friction factor then.
Advantageously, can improve plate friction, be provided with some outstanding particles in both sides treating between the opposed facing surface of contact of interconnective mechanical part to embed one.This plate constitutes an additional member, and it can be independent of in an advantageous manner treats that interconnective mechanical part ground makes.Can advantageously change the mutual spacing of each mechanical part by the application of the plate of different-thickness to this.About a crankshaft main bearing, this can reach different radial clearances (Kopfs piels) between roll neck and top.Therefore radial clearance can advantageously be matched with the situation of individual cases.
What meet purpose is that outstanding particle can be made of a kind of material of pottery.In this case, can realize a kind of irregular surface with sharp corners in a simple manner, it can be pressed in the corresponding surface of configuration respectively well owing to the big hardness of the material of pottery.
Advantageously, can set the overhang that outstanding particle surpasses 50 to 90 μ m of the material that holds it.This on the one hand can realize a kind of enough dimensional stabilitys and to produce desired miniature shape in reliable mode on the other hand sealed.
According to the present invention, the purpose that relates to method reaches like this, be that to be provided with at least one be surface seam configuration, that extend perpendicular to confining force for the treatment of between the interconnective mechanical part at least one member, in the zone on each such surface, be provided with one deck, its have some be embedded in the metallic material, with respect to based on the harder particle of the material of mechanical part, wherein preferably and then partly grind off this layer and then stand a kind of etch processes of surface side in surface side.
Can advantageously realize a kind of high dimensional stability by grinding process.Back to back etch processes can realize in an advantageous manner that particle hard, preferably ceramic surpasses the desired overhang of the material that holds it.
Advantageously, can comprise the member of grit, wherein, particle directly be joined in the melt of surface side in the surface side fusing.In this case, in the parent material with the member of hard particle under directly joining, the layer that produces a kind of nearly surface that comprises grit whereby and described member in its lower section layer between the bonding (Bindung) of excellence.
Another kind of form of implementation according to the method described above, the member that comprises grit is provided with a coating in surface side, it by a kind of comprise grit with one hold other, the material blends of the body material of metal makes, wherein, body material has the material lower fusing point of a ratio based on the member of carrying coating.In this case, be actually the coating that sintering has grit.Simultaneously advantageously cause heat quite little in holding the member of coating to apply, this produces favourable effect to being avoided distortion (Verzug).Therefore preferred described each measure in quite thin member especially.
What meet purpose is, can adopt a kind of nickel alloy as body material, and this nickel alloy also comprises phosphorus at least except that nickel, preferred phosphorus and silicon.Obviously drop to below the fusing point of steel or cast iron by the fusing point of described alloy compositions nickel.
Another form of implementation according to the method described above waits that in surface side the member that is provided with grit preferably can carry out coarse processing (angeraut) in surface side by sandblast.And then particle can be deep into interior at least a portion in surface of coarse processing up to its diameter.Partickle bombardment can be used in the surface for this reason.This is preferably adopted the PVD method.The particle on surface that is injected into coarse processing is advantageously with on the desired mode protuberate, thereby can cancel etching process usually.Often even can abandon grinding process.But in some cases,, advantageously, can also implement a grinding process here in order to realize a kind of high dimensional stability.
Description of drawings
The favourable form of implementation of other of above-mentioned each measure can be learnt in remaining dependent claims and by following case description by accompanying drawing more in detail with the further formation explanation that meets purpose.
In accompanying drawing described below:
The view of a crankshaft main bearing of a two-stroke large diesel engine of Fig. 1;
The view of the friction plate that one of Fig. 2 embeds between the surface of contact by the bottom of the configuration of Fig. 1 and top;
Fig. 3 presses a part sectioned view of the friction plate of Fig. 2; And
Fig. 4-6 is used to make the schematic representation of the manufacturing step of following mutually of the friction plate of a Fig. 3.
Embodiment
Main application of the present invention is the crankshaft main bearing of big-block engine, particularly two-stroke large diesel engine.The basic structure of such motor and mode of operation itself are known.
The crankshaft main bearing based on Fig. 1 of a two-stroke large diesel engine comprises a top 3 that is integrated into bottom 2 in the frame 1 and one can be mounted thereto.Keep tops 3 by the vertical tensioning means 4 that only illustrates here by its center line.That bottom 2 and top 3 are provided with is opposed facing, transverse to tensioning means 4 surface of contact 5,6 that extend, parallel.
Surface of contact 5,6 includes only level that is zone that extend perpendicular to tensioning means 4.Correspondingly led each surface of contact by the clamping force that tensioning means 4 produces perpendicular to surface of contact 5,6 extensions and along vertical direction.Do not produce lateral force in this case.The lateral force of on-stream generation is delivered on the bottom 2 from top 3 by friction.
In order to get rid of the relative movement of the on-stream side direction between bottom 2 and the top 3 reliably, be device that improves the phase mutual friction of mutual surface of contact 5,6 configurations.
In embodiment based on Fig. 1, for this reason between the surface of contact 5,6 on the surface of contact 5,6 of on the left side and the right, also on the left side and the right of bearing hole 7, insert a friction plate 9 respectively, it is provided with the mechanism of improving friction in the zone of its each side away from each other, that face surface of contact 5,6.Certainly also can imagine, surface of contact 5,6 itself is provided with such device.In this case, friction plate 9 becomes the nonessential pad that has or do not improve the mechanism of friction that maybe can constitute.
Each friction plate 9 extends on the whole mutual contact area that matches on bottom 2 and top 3 respectively.Correspondingly as by conspicuous among Fig. 2, each friction plate 9 is provided with some through holes 10, and each tensioning means 4 can pass through each through hole in the mode that circumference has the gap.The thickness of friction plate 9 can be about 5mm+/-one additional amount or a removal amount, in order to change the radial clearance of axle journal 8.
As conspicuous by Fig. 3, friction plate 9 comprises a steel core 11, in order to form the device that improves friction, steel core is provided with in the zone on its mutual opposed surface at the outstanding particle 12 of surface side, they by a kind of ratio in the bottom 2 and the region memory of the surface of contact 5 on top 3 or 6 the harder material of material constitute.Particle 12 embeds in the metallic material that surrounds it, and therefore the latter plays matrix.In this case, it can be outside area or metal layer that is coated on the steel core 11 of steel core 11 itself.Same be applicable to this situation, be about in the zone that hard particle 12 is set directly at surface of contact 5 or 6.
The hardness of particle 12 is 1000HV at least.What meet purpose is that particle is made of stupalith such as TiC, WoC, NiobC etc. for this reason.What meet purpose is that as also illustrating among Fig. 3, particle 12 has a kind of irregular surface that comprises sharp corners.Correspondingly, particle 12 can be pressed in the surface of contact of facing of opposed member always well, and it is sealed to produce a kind of miniature shape whereby, and it causes a high friction factor.Because the miniature shape that produces by its particle that is pressed into 12 is sealed, frictional force depends on the quantity of particle here and depend on area when supposing the area distributions of homogeneous granules roughly.For this reason, what meet purpose is, friction plate 9 extends whole being in contact with one another on the zone of surface of contact 5,6, or under the situation of the form of implementation of no plate, each surface of contact is provided with some hard particles 12 at whole contact area.What meet purpose is that particle size diameter is 30 μ to 110 μ.It is 50 μ to 90 μ that particle 12 meets the destination in the overhang that surpasses the metallic material that holds it.
As mentioned above, particle 12 can be directly embedded in the district on nearly surface of parent material of the member that holds it or be embedded in the lip-deep metallic coating that is coated to parent material.Fig. 4-6 has illustrated a manufacturing with friction plate that is made of steel of particle 12 in some steel districts that embed nearly surface.Be this member, here promptly the steel core 11 based on friction plate 9 heated like this in surface side, make district's 13 fusings on a nearly surface load bearing grain 12.Heating meets the destination and realizes like this, that is, make the district 13 of fusing have a degree of depth t of 0.8 to 1mm illustrated in fig. 4.Particle 12 is added in the district 13 of fusing.For this reason shown in example in a nozzle 14 is set, by its district 13 with particle 14 bombardment fusing.
What meet purpose is, realizes the fusing of heating up to the surface side of core by an effective thermal source in part, on the contrary thermal source moves on surface to be heated or.Shown in example in, a laser beam 16 that produces by a lasing light emitter 15 is set for this reason.Directly in the hot spot point that produces by laser beam 16 or in the directly supply of realization particle 12 in it regional.Under each situation, nozzle 14 is followed lasing light emitter 15.Because laser gun 15 and nozzle 14 with respect to the relative movement on pending surface, are little by little handled this surface on its whole surface.
Enter in the molten metal in district 13 to pending lip-deep particle 12 by nozzle 14 splashes, thereby when melt solidified, particle 12 embedded in the metallic material that surrounds it, this material correspondingly works to hold and keep the matrix of particle 12.
What meet purpose is in melt process and cooling period, to impose the shielding gas of anti-oxidation for the surface of handling.Impose shielding gas can for the nozzle 14 that is used for splash particle 12 for this reason.Shown in example in, an additional protection gas nozzle 17 is set, give by laser beam 16 zone that impact and that be subjected to particle 12 by it to impose shielding gas.Can meet the destination with nozzle 14, lasing light emitter 15 and in case of necessity shielding gas nozzle 17 be merged into a processing head, it can realize the relative movement of these three devices with respect to the same form on pending surface.Replace laser beam, also can adopt other thermal source naturally, for example a gas burner, an inductor coil etc.
Replacement is embedded into ceramic particle 12 in the district on nearly surface of steel core 11, as previously discussed, friction plate 9 also can be provided with a coating, and it is made by a kind of material blends that preferably exists with powder type, and material blends comprises particle 12 and a metallic matrix that holds it.This coating can be for example with the hot spraying method splash on metal-cored 11.What meet purpose is, this coating of sintering, and this can apply heat still less, stops the distortion of steel core 11 whereby.
In this case, in order to form metallic matrix, what meet purpose is, adopts a kind of its fusing point to be lower than the material of fusing point that member based on coating is the material of steel core 11 here.Under the situation of steel, fusing point is about 1300 ℃.The fusing point of body material should be lower significantly.On the other hand, body material should have the intensity identical at least with steel, preferably has an also higher intensity.Should produce the good bonding of coating and core in addition.What meet purpose is, adopts a kind of nickel alloy as body material, and it also comprises phosphorus at least except that nickel, preferably phosphorus and silicon at least.By these alloy compositions, the fusing point of nickel is pressed onto about 850 ℃ and drops to a value that is starkly lower than the fusing point of steel then.
For the coating of a above-mentioned type of sintering, at first will wait to be provided with the member of coating, here be steel core 11 be heated to surface side at the most its below fusing point a bit.And then apply the material blends that comprises particle 12 and body material.The previous heat of supplying with the member for the treatment of coating realizes particle 12 is embedded in the body material because the low relatively fusing point of body material is enough to its fusing whereby.For a kind of uniform surface of realizing coating and a kind of consistency (Verdichtung) of surface side, and then can carry out one second heating process.As mentioned above, a laser beam, an inductor coil etc. can be used as heating equipment.Importantly a kind of here reliable controllability applies so that can measure heat.
After making the layer that comprises particle 12, remove the district of an outside of this floor again.What meet purpose is to grind off this district to be removed, as passing through 18 explanations of an emery wheel among Fig. 5.What this is met purpose is, realizes that by the thickness of 30 μ material removes, as among Fig. 5 with the d explanation.Can realize an accurate total thickness of friction plate 9 by grinding process.
After grinding process, for example HCI, HF etc. realize the etch processes on the surface of grinding by a kind of acid.As seen from Figure 6, etch processes obtains the surface that particle 12 surpasses the material that surrounds particle 6, promptly surpasses the desired overhang on the surface of steel core 11 here.What meet purpose is, carries out etch processes up to a maximum 5-30 μ, the degree of depth of preferred 10 μ, as among Fig. 6 with the ü explanation, thereby obtain desired overhang.
The another kind of possibility that is used to link grit 12 can be, the surface that relates to is carried out coarse processing and and then made particle 12 mechanically be deep in the surface of coarse processing at least a portion until its diameter.For the surface being carried out coarse processing (Anrauen), can make it meet the destination and stand a kind of sand blast.Advantageously realization has the coarse processing of the roughness of one 5 μ.Grit 12 can be pressed in the surface of coarse processing.Meet the surface of destination with the coarse processing of particle 12 bombardments for this reason.Not only produce simultaneously the good seat of particle, and produce certain dense sclerosis of the material that surrounds particle simultaneously.For surface, can meet the destination and adopt PVD method (plasma vapor phase deposition) with the coarse processing of bombardment of particle.This method preferably can other above-mentioned possibility aspect be used for coated particle 12.
In Fig. 4 to 6, only show processing to a side of friction plate 9.Certainly handle both sides.What meet purpose is, realizes that successively these handle, and can make each side of handling respectively up, stops the drippage of not expecting of the material of fusing whereby.Certainly replace a plate, as previously discussed, also can directly handle one or two surface of contact 5,6 as above mode a plate is shown.
Claims (33)
1. the crankshaft main bearing of big-block engine, has a bottom (2) and the top (3) that can be installed on the bottom that is integrated in the frame, wherein, bottom (2) and top (3) have opposed facing, be positioned at the surface of contact (5 of a bearing hole (7) both sides, 6) and by vertical tensioning means (4) interconnected, and a device that is used for stoping the relative movement of side direction between bottom (2) and top (3) is set, it is characterized in that, the surface of contact (5 that is positioned at bearing hole (7) both sides of bottom (2) and top (3), 6) only has the zone that some extend perpendicular to confining force, and the lateral force of on-stream generation is transmitted between top (3) and bottom (2) by friction, wherein in order to be formed for stoping the device of the relative movement of side direction between bottom (2) and top (3), at the surface of contact (5 that is positioned at bearing hole (7) both sides, 6) insert a friction plate (9) that improves friction between respectively, this friction plate has some and is embedded in the metal carrier material for the through hole (10) of each tensioning means (4) configuration and this friction plate are provided with some in both sides, give prominence in surface side, by a kind of with respect at surface of contact (5,6) region memory the particle (12) that constitutes of the harder material of material, and this friction plate (9) constitutes and is used for the pad of radial clearance that coupling is bearing in the axle journal (8) of bearing hole (7).
2. according to the described crankshaft main bearing of claim 1, it is characterized in that particle (12) is made of stupalith.
3. according to the described crankshaft main bearing of claim 2, it is characterized in that particle (12) is made of TiC and/or WoC and/or NiobC.
4. according to the described crankshaft main bearing of one of claim 1 to 3, it is characterized in that particle (12) has an irregular surface that comprises sharp corners.
5. according to the described crankshaft main bearing of one of claim 1 to 3, it is characterized in that particle (12) has the diameter of one 30 μ to 100 μ.
6. according to the described crankshaft main bearing of one of claim 1 to 3, it is characterized in that maximum 50 μ to 90 μ of particle (12) protrude in the surface of the material that holds it.
7. according to the described crankshaft main bearing of one of claim 1 to 3, it is characterized in that particle (12) has the hardness greater than 1000HV.
8. according to the described crankshaft main bearing of one of claim 1 to 3, it is characterized in that the friction plate (9) that improves friction extends on whole, the mutual contact area of surface of contact (5,6).
9. according to the described crankshaft main bearing of one of claim 1 to 3, it is characterized in that tensioning means (4) is arranged in the through hole (10) in the mode that circumference has the gap.
10. according to the described crankshaft main bearing of one of claim 1 to 3, it is characterized in that, particle (12) be embedded into the member that holds it parent material nearly surface the layer in or be embedded in the coating that is coated on the parent material.
11. according to the described crankshaft main bearing of one of claim 1 to 3, it is characterized in that, at least one surface of contact in the opposed facing surface of contact (5,6) be provided with equally some embed wherein, at outstanding, the hard particle of surface side.
12., it is characterized in that big-block engine is a two-stroke large diesel engine according to the described crankshaft main bearing of claim 1.
13. be used to make method according to the described crankshaft main bearing of one of claim 1 to 12, it is characterized in that, make some and can be presented to friction plate (9) between the opposed facing surface of contact (5,6) that is positioned at bearing hole (7) both sides, that constitute by steel, these friction plates are provided with some and are embedded in the metallic material, outstanding, hard particle (12) in the zone on two surface away from each other, these particles by a kind of with respect to the region memory of mutual surface of contact (5,6) the harder material of material constitute.
14. in accordance with the method for claim 13, it is characterized in that, after coating, partly remove the layer that comprises particle (12), and then stand a kind of etch processes of surface side in surface side.
15. in accordance with the method for claim 14, it is characterized in that, partly grind off the layer that comprises particle (12) in surface side.
16. according to the described method of one of claim 13 to 15, it is characterized in that, in surface side the member at surface side particle to be provided with (12) melted, and particle (12) is directly joined in the melt of surface side.
17. in accordance with the method for claim 16, it is characterized in that, member is melted on one 0.8 to 1mm thickness.
18. in accordance with the method for claim 13, it is characterized in that, the member of particle to be provided with (12) is provided with a coating in surface side, this coating is made by a material blends that comprises the metal that matrix that particle (12) and a kind of conduct be used for particle (12) works, wherein, the metal that constitutes matrix has a fusing point, and this fusing point is lower than the fusing point based on the material of the member of carrying coating.
19. in accordance with the method for claim 18, it is characterized in that the metal of primordial body is a kind of nickel alloy of Ni, P at least that comprises.
20. in accordance with the method for claim 18, it is characterized in that, with the member of carrying coating be heated to surface side at the most up to below based on its fusing point of material a bit, and apply a kind of material blends that comprises body material and particle (12) thereon.
21. in accordance with the method for claim 20, it is characterized in that, impose shielding gas during applying particle (12), at least the surface that comprises particle (12).
22. in accordance with the method for claim 13, it is characterized in that after coated particle (12), the layer that will comprise particle (12) grinds off the thickness of a 20-50 μ.
23. in accordance with the method for claim 22, it is characterized in that, the degree of depth of etching up to a maximum 5-30 μ carried out on the surface that grinds off.
24. in accordance with the method for claim 13, it is characterized in that, the member at surface side particle to be provided with (12) is carried out coarse processing, and particle (12) is deep in the surface of coarse processing with at least a portion of its thickness in surface side.
25. in accordance with the method for claim 24, it is characterized in that, coarse processing is carried out on the surface with the roughness of one 5 μ.
26. in accordance with the method for claim 24, it is characterized in that, sandblast is carried out on the surface.
27. in accordance with the method for claim 24, it is characterized in that, with the surface of the coarse processing of particle (12) bombardment.
28. in accordance with the method for claim 27, it is characterized in that, particle (12) is coated on the surface of coarse processing with plasma vapor phase deposition.
29. in accordance with the method for claim 13, it is characterized in that at least one surface of contact in the opposed facing surface of contact (5,6) is provided with some outstanding, hard particles (12).
30. in accordance with the method for claim 19, it is characterized in that the metal of primordial body is a kind of nickel alloy of Ni, P, Si at least that comprises.
31. in accordance with the method for claim 20, it is characterized in that, with the member of carrying coating be heated to surface side at the most up to below based on its fusing point of material a bit, and apply a kind of material blends that comprises body material and particle (12) with form of powder thereon.
32. in accordance with the method for claim 22, it is characterized in that after coated particle (12), the layer that will comprise particle (12) grinds off the thickness of one 30 μ.
33. in accordance with the method for claim 23, it is characterized in that, the degree of depth of etching up to maximum 10 μ carried out on the surface that grinds off.
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DE102006023398.0 | 2006-05-17 | ||
DE102006023398A DE102006023398B4 (en) | 2006-05-17 | 2006-05-17 | Crankshaft main bearing of large engines and process for its production |
PCT/EP2007/004235 WO2007131744A2 (en) | 2006-05-17 | 2007-05-12 | Device for connecting two machine parts and method for producing such a device |
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CN101449047B true CN101449047B (en) | 2011-12-21 |
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CN2007800173668A Active CN101449047B (en) | 2006-05-17 | 2007-05-12 | Device for connecting two machine parts and method for producing such a device |
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JP (1) | JP5133980B2 (en) |
KR (1) | KR101283947B1 (en) |
CN (1) | CN101449047B (en) |
DE (1) | DE102006023398B4 (en) |
WO (1) | WO2007131744A2 (en) |
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DE102008046911A1 (en) * | 2008-09-12 | 2010-04-01 | Robert Bosch Gmbh | Connecting device for providing fixed sliding connection between two elements, comprises upper surface, which has coefficient of friction, and is formed around fixed sliding connection to indefinite surface of one of two elements |
DE102008056368A1 (en) | 2008-11-07 | 2010-05-12 | Esk Ceramics Gmbh & Co. Kg | Securing element for screw connections and its use |
DK200900478A (en) * | 2009-04-14 | 2009-04-17 | Man Diesel Af Man Diesel Se | A METHOD FOR PROVIDING A MACHINE PART WITH A STEEL OR IRON FRICTION FACE, AND A MACHINE PART WITH A STEEL OR IRON FRICTION FACE |
FR2995373B1 (en) * | 2012-09-12 | 2015-02-27 | Ct Tech Des Ind Mecaniques | RUGGED BLOCKING WASHER |
WO2016131730A1 (en) | 2015-02-18 | 2016-08-25 | Bayerische Motoren Werke Aktiengesellschaft | Connecting arrangement between joint partners in the chassis region of a vehicle that can be braced separably against one another |
EP4015840B1 (en) | 2020-12-21 | 2023-09-27 | 3M Innovative Properties Company | Process for making a connecting element for the friction-increasing connection of components, and use of a connecting element |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0109596A2 (en) * | 1982-11-18 | 1984-05-30 | M.A.N. - B&W Diesel GmbH | Reciprocating pistons internal combustion engine |
EP0339065B1 (en) * | 1987-10-29 | 1993-01-07 | Mtu Motoren- Und Turbinen-Union MàNchen Gmbh | Process for manufacturing layers |
DE29521198U1 (en) * | 1995-08-23 | 1996-12-19 | Sintermetallwerk Krebsöge GmbH, 42477 Radevormwald | Component with an increased roughness, at least in parts of its surface, for a press connection with a component |
EP0961038A1 (en) * | 1998-05-28 | 1999-12-01 | Elektroschmelzwerk Kempten GmbH | Connecting element for frictional connection of parts |
DE10136638A1 (en) * | 2001-07-26 | 2003-02-20 | Man B&W Diesel A/S, Copenhagen Sv | Ship's piston engine has axial bearing segments divided round 360 degrees and supported by lower and upper parts of main bearing |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60258481A (en) * | 1984-06-06 | 1985-12-20 | Toyota Motor Corp | Manufacture of surface coated member containing dispersed particles |
US4689242A (en) * | 1986-07-21 | 1987-08-25 | United Technologies Corporation | Method for adhesion of grit to blade tips |
US5119864A (en) * | 1988-11-10 | 1992-06-09 | Lanxide Technology Company, Lp | Method of forming a metal matrix composite through the use of a gating means |
JPH03107403A (en) * | 1989-09-22 | 1991-05-07 | Isuzu Motors Ltd | Manufacture of locally reinforced metal product |
DK269990A (en) * | 1990-11-12 | 1992-02-12 | Man B & W Diesel Gmbh | CRANK SHAFT FOR A COMBUSTION ENGINE |
JPH04210165A (en) * | 1990-11-30 | 1992-07-31 | Kanai Hiroyuki | Sliding member |
JPH06147206A (en) * | 1992-11-06 | 1994-05-27 | Hitachi Kizai Kk | Friction grip joint construction by bolt |
DE4332444B4 (en) * | 1993-09-23 | 2006-06-01 | Bayerische Motoren Werke Ag | Machine part of a light metal casting alloy, in particular connecting rod for reciprocating engines |
JP2971352B2 (en) * | 1994-05-31 | 1999-11-02 | 三菱重工業株式会社 | Bearing with bearing metal deformation prevention structure |
JPH0892741A (en) * | 1994-09-20 | 1996-04-09 | New Japan Radio Co Ltd | Surface treatment of sintered hard alloy for deposition with diamond |
DE19535497C2 (en) * | 1995-09-25 | 2003-07-24 | Audi Ag | Split plain bearing |
JP3218956B2 (en) * | 1995-11-29 | 2001-10-15 | スズキ株式会社 | Surface treatment method for aluminum material and treated film |
DE19750599A1 (en) * | 1997-01-10 | 1998-07-30 | Claussen Nils | Metal-ceramic construction element - its structure and its manufacture |
DE19819080A1 (en) * | 1998-04-29 | 1999-11-04 | Bayerische Motoren Werke Ag | Machine housing with a split bearing arrangement, in particular plain bearings in reciprocating piston machines |
JP2001049467A (en) * | 1999-08-16 | 2001-02-20 | Ngk Insulators Ltd | Sliding material and its production |
JP3815658B2 (en) * | 2000-08-18 | 2006-08-30 | スズキ株式会社 | Cylinder block |
JP2002213485A (en) * | 2001-01-18 | 2002-07-31 | Toyoda Mach Works Ltd | Drive force transmission device |
DE102004018921A1 (en) * | 2004-04-20 | 2005-11-17 | Bayerische Motoren Werke Ag | Method for producing a connecting rod involves use of the heat introduced in the heat treatment operation for preliminary heating in the subsequent coating operation |
US20070013159A1 (en) * | 2005-03-23 | 2007-01-18 | Mestre Miquel T | Knuckle and bearing assembly and process of manufacturing same |
-
2006
- 2006-05-17 DE DE102006023398A patent/DE102006023398B4/en active Active
-
2007
- 2007-05-12 JP JP2009510334A patent/JP5133980B2/en active Active
- 2007-05-12 CN CN2007800173668A patent/CN101449047B/en active Active
- 2007-05-12 KR KR1020087027600A patent/KR101283947B1/en active IP Right Grant
- 2007-05-12 WO PCT/EP2007/004235 patent/WO2007131744A2/en active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0109596A2 (en) * | 1982-11-18 | 1984-05-30 | M.A.N. - B&W Diesel GmbH | Reciprocating pistons internal combustion engine |
EP0339065B1 (en) * | 1987-10-29 | 1993-01-07 | Mtu Motoren- Und Turbinen-Union MàNchen Gmbh | Process for manufacturing layers |
DE29521198U1 (en) * | 1995-08-23 | 1996-12-19 | Sintermetallwerk Krebsöge GmbH, 42477 Radevormwald | Component with an increased roughness, at least in parts of its surface, for a press connection with a component |
EP0961038A1 (en) * | 1998-05-28 | 1999-12-01 | Elektroschmelzwerk Kempten GmbH | Connecting element for frictional connection of parts |
DE10136638A1 (en) * | 2001-07-26 | 2003-02-20 | Man B&W Diesel A/S, Copenhagen Sv | Ship's piston engine has axial bearing segments divided round 360 degrees and supported by lower and upper parts of main bearing |
Also Published As
Publication number | Publication date |
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KR101283947B1 (en) | 2013-07-09 |
DE102006023398A1 (en) | 2007-11-22 |
DE102006023398B4 (en) | 2009-02-19 |
KR20090006193A (en) | 2009-01-14 |
WO2007131744A2 (en) | 2007-11-22 |
CN101449047A (en) | 2009-06-03 |
JP2009537750A (en) | 2009-10-29 |
JP5133980B2 (en) | 2013-01-30 |
WO2007131744A3 (en) | 2008-03-13 |
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