EP0154777B1 - Dispositif de reprofilage en voie du champignon d'au moins un rail d'une voie ferrée - Google Patents

Dispositif de reprofilage en voie du champignon d'au moins un rail d'une voie ferrée Download PDF

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Publication number
EP0154777B1
EP0154777B1 EP85100608A EP85100608A EP0154777B1 EP 0154777 B1 EP0154777 B1 EP 0154777B1 EP 85100608 A EP85100608 A EP 85100608A EP 85100608 A EP85100608 A EP 85100608A EP 0154777 B1 EP0154777 B1 EP 0154777B1
Authority
EP
European Patent Office
Prior art keywords
tools
fact
reprofiling
group
rail
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP85100608A
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German (de)
English (en)
French (fr)
Other versions
EP0154777A1 (fr
Inventor
Romolo Panetti
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Speno International SA
Original Assignee
Speno International SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Speno International SA filed Critical Speno International SA
Priority to AT85100608T priority Critical patent/ATE32926T1/de
Publication of EP0154777A1 publication Critical patent/EP0154777A1/fr
Application granted granted Critical
Publication of EP0154777B1 publication Critical patent/EP0154777B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/004—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding rails, T, I, H or other similar profiles
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
    • E01B31/02—Working rail or other metal track components on the spot
    • E01B31/12—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
    • E01B31/02—Working rail or other metal track components on the spot
    • E01B31/12—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails
    • E01B31/17—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by grinding

Definitions

  • the subject of the present invention is a device for reprofiling and / or rectifying the surface of the head of at least one rail of a railroad track.
  • Patent CH-A-626 673 discloses, according to the preamble of claim 1, a grinding device for reprofiling a rail of a railroad track comprising a grinding unit, drawn along the railroad track, provided of a motor driving a grinding wheel in rotation.
  • This motor and this grinding wheel are mounted using a double-acting cylinder, making it possible to move the grinding unit in height, on a support fixed on a trolley.
  • This fixing comprising bolts and the lights in arcs of a circle, makes it possible to manually move this support angularly relative to the carriage.
  • the rails are reprofiled, in particular their recitification; operation which aims to give the rail the desired transverse and longitudinal profiles.
  • the present invention aims to remedy these drawbacks.
  • the invention consists of a reprofiling device in the track of at least one rail of a railroad track which is distinguished by the characteristics listed in claim 1.
  • the invention makes it possible to quickly or even automatically replace a reprofiling tool with another identical or of different shape or types. It makes it possible to always make work the tool most adapted to the work to execute this with the profit of the quality of work. It allows you to do this without loss of time and at the right time, by making the best use of the available intervals, this to the benefit of efficiency.
  • Figure 1 is a side elevation of a first embodiment of the reprofiling device mounted on a carriage connected to a railway vehicle.
  • FIG. 2 is a top view of the reprofiling device and of the carriage illustrated in FIG. 1.
  • FIG. 3 is a partial elevation at the end of the device illustrated in FIG. 1.
  • Figure 4 is a partial section along line A-A of Figure 1.
  • FIG. 5 illustrates on a larger scale a device for blocking the angular position of the reprofiling units illustrated in FIGS. 1 to 4.
  • Figure 6 illustrates in side elevation a second embodiment of the reprofiling device mounted on a carriage to be connected to a railway vehicle.
  • FIG. 7 is a partial section along line B-B- of FIG. 6.
  • FIG. 8 illustrates in partial section, perpendicular to the motor shaft, a variant with four reshaping tools of the same kind.
  • Figure 9 is a partial section of the variant illustrated in Figure 8 along line C-C of this figure.
  • FIG. 10 illustrates in partial section another variant of the reshaping device comprising four tools of different natures.
  • Figure 11 is a side elevational view of a third embodiment of the reprofiling device connected directly to a rail vehicle.
  • Figure 12 is a partial sectional view of a fourth embodiment of the reprofiling device.
  • FIG. 13 is a view from D of the reprofiling device illustrated in FIG. 12.
  • Figure 14 is a partial sectional view of a fifth embodiment of the reprofiling device comprising a peripheral grinding wheel and a lapidary grinding wheel.
  • FIG. 15 is a section along line G-G in FIG. 14.
  • the reprofiling device comprises at least one reprofiling unit towed along the track by a rail vehicle.
  • Means make it possible to move this reprofiling unit in height relative to the vehicle as well as to apply at least one tool of the unit against the rail with a determined pressure or against a fixed or adjustable stop member.
  • Each reprofiling unit comprises an angularly displaceable support comprising a plurality of reprofiling tools, forming a group of tools, the working faces or edges of which are located in different planes.
  • each tool of the same group of tools can be brought into its working position, allowing it to come into contact with the rail to reprofile it, the other tools of this same group then being in the waiting position, unable to cooperate with the rail.
  • the reprofiling device comprises a positioning device making it possible to position the support so as to bring the desired tool into the working position, and a locking device making it possible to fix the support in the desired position.
  • each reprofiling unit comprises several tools forming a group and which can be brought by an angular displacement of the support successively in the working position, the displacement of the support being able to be motorized, and above all without having to change the tool.
  • the tools of the same group can all be similar if it is a question of performing the same work for a long period of time.
  • These tools can also be different, each adapted to a specific job.
  • the first embodiment of the reprofiling device illustrated in FIGS. 1 to 5 comprises a guide carriage 1, formed by a beam 2 and cross members 3, having flanged wheels 4 rolling on the rails 5.5 ′ of a track.
  • This guide carriage 1 is connected to a railway vehicle 6 on the one hand by jacks 7, 8 to allow it to be lifted for walking high, and on the other hand by a drawbar 9 for its drive along the track. .
  • this carriage 1 has frames 10 carried by each of the ends of the crosspieces 3, ie a total of four frames on each of which is mounted a reprofiling unit by means of means for applying against the rail the tools of the unit, with a determined force.
  • Each reprofiling unit comprises an electric motor, the two ends of the motor shaft 11 of which come out of the casing 12 and are adapted to receive a reprofiling tool, here a grinding wheel.
  • a reprofiling tool here a grinding wheel.
  • one of the lapidary wheels 13 has a smaller diameter than the other 14 to allow a reprofiling of the switches and level crossings, the wheel 14 being used for the reprofiling of the surface of the head of the rail 5.
  • the motor casing 12 constitutes an angularly displaceable support carrying a group of two tools 13, 14.
  • This support formed by the casing 12 of the wheel drive fitter 13, 14 in rotation comprises a disc-shaped flange 15, located in a plane parallel to the shaft 11 of the motor, journalled in a block 16 mounted on the frame 10.
  • this flange 15 has on its periphery four notches a, b, c, d cooperating successively with a locking finger 17 subjected to the action of a spring 18 and capable of being actuated manually by the using an operating device 19.
  • the block 16 is slidably mounted on two columns 20 integral with the frame 10.
  • the block 16 has chambers 21 surrounding the columns 20 which have a part of larger diameter forming a piston 22.
  • Conduits 23, 24 formed in the columns 20 allow to bring a pressurized fluid into the chambers 21 either on one side or on the other side of the piston 22 to cause a displacement of the block 16 along these columns. This system allows app quer one of the tools 13, 14 of the reprofiling unit against the rail with a determined force.
  • the pivoting of the support 12, 15, and therefore of the motor and the grinding wheels around an axis parallel to the longitudinal axis of the rail 5, can be motorized and controlled from inside the rail vehicle , as well as the blocking and unblocking of the angular positions of the support.
  • the exchange of the working tool is carried out quickly and entirely from inside the towing vehicle.
  • the axis of the grinding wheels 13 respectively 14 are located horizontally in a well accessible position facilitating their replacement.
  • the motors 12 associated with the same rail 5, respectively 5 ′ could be rigidly connected to each other, the two motors then forming only one support and a single reprofiling unit comprising two groups of two tools.
  • This solution has the advantage of not having groups of tools supported in overhang.
  • FIGS. 6 and 7 A second embodiment of the reprofiling device is illustrated in FIGS. 6 and 7.
  • the reprofiling unit is mounted on a carriage 30, formed of a beam 31 and of cross members 32, rolling on the rails 33 of the track by flanged wheels 34.
  • this carriage 30 is connected to a railway vehicle to be towed along the track as well as by means allowing a displacement in height of this carriage with respect to the vehicle in order to deactivate the reprofiling device during movements at the top of the rail vehicle.
  • the reprofiling unit also includes a motor 35, the casing of which has two ears 36, 37 each connected to the spar 31 by an articulated rod 38, 39 thus forming a deformable parallelogram.
  • a jack 40 is disposed between a lug 41 integral with the spar 31 and an intermediate point of the connecting rod 38 and thus makes it possible to cause displacements in height, parallel to itself of the engine 35 which which, as will be seen, makes it possible to apply a tool against the rail with a determined force or retract it.
  • the casing of this motor 35 has a flange 42 on the side where the motor shaft 43 emerges.
  • This drive shaft 43 is journalled in the wall of a housing 44, one flat face of which is applied against the free face of the flange 42, and ends in a conical pinion 45.
  • the angular position of the housing 44 relative to the motor is fixed using a locking finger 52, subjected to the action of a spring 53, cooperating with blind holes 54 of the housing 44.
  • An operating member 55 frees the locking finger to modify your angular position of the housing 44 relative to the motor.
  • the housing 44 constitutes the angularly displaceable support on which the group of reprofiling tools is mounted.
  • the group of reshaping tools comprises two lapidary grinding wheels of different diameters 46, 47 carried by shafts 48, 49 pivoted in the housing 44.
  • the shafts 48, 49 and the motor shaft 43 are coplanar.
  • Each of the shafts 48 and 49 comprises a bevel gear 50, 51 engaged with the bevel gear 45 of the motor shaft 43 for driving the grinding wheels 46, 47 in rotation.
  • This embodiment has the advantage that the motor 35 driving in rotation a group of grinding wheels 46, 47 performs relative to the carriage 30 only translational displacements of small amplitudes which facilitates its electrical connection.
  • Another advantage lies in the fact that the gears 45, 50, 51 can constitute, if desired, a reduction gear, the speed of rotation of the grinding wheels 46, 47 then being different from that of the motor shaft 43, or even different from one another.
  • Figures 8 and 9 illustrate a variant of this embodiment in which the group of reshaping tools comprises four grinding wheels 56, 57, 58 ,, 59 each carried by a journalled shaft in a wall of a housing 60 and meshing with pinions 61, 62, 63, 64 with the pinion 45 of the motor shaft 43.
  • the same locking system 52, 53, 54, 55 is used to fix the respective positions of the case 60.
  • two lapidary wheels of large diameters 57, 59 can be provided for the reprofiling of the rail head, having different grains or hardness, the harder being used for roughing work and the less hard for finishing.
  • the housing 65 constituting the angularly movable support around the motor shaft 43 carries two rotary tools, a grinding wheel 66 rotated by an axis 67 and a pinion 68 in engagement with the motor pinion 45; and a milling cutter 69 driven in rotation by an axis 70 and a pinion 71 also engaged with the motor pinion 45.
  • This housing also carries two stationary tools such as planes 72, 73 or abrasive shoes.
  • one of the static tools 72 is designed to be in contact with the rail 33 when the housing 65 is displaced relative to this rail in the direction of the arrow F while the other static tool 73 is provided for relative movement in the opposite direction.
  • the number of reprofiling tools carried by the same support is not limited to four but could be greater. Thanks to the gears or pinions driving the rotary tools, the reduction ratio between the shaft of each tool and the motor shaft can be adapted to the type of tools used to have an optimal speed of rotation thereof.
  • each of the drive shafts of the rotary tools may comprise a clutch or a clutch coupling making it possible to drive relatively one or more tools only.
  • the reprofiling unit comprises a motor 80 and two movable supports 81, 82 each carrying a group of reprofiling tools.
  • This reprofiling unit is directly connected to the rail vehicle 83 which guides it along the rail 84.
  • the motor housing 80 is connected to the rail vehicle 83 on the one hand by a jack 85 making it possible to raise the reprofiling unit and simultaneously to apply a tool from each group against the rail 84 with a determined force for work.
  • the casing of this motor 80 is on the other hand connected to the railway vehicle 83 by a drawbar 86 for traction along the track.
  • the motor 80 has flanges 87, 88 situated at its ends, crossed by the motor shaft 89.
  • the ends of this motor shaft 89 are pivoted in the wall of housings 81, 82 and end in orions 90 and 91 respectively.
  • shafts 92, 93 perpendicular to the motor shaft 89 are pivoted in the housings 81 respectively 82 and carry at their end emerging from said housings two lapidary wheels 94, 95 and 96, 97 of different diameters.
  • Each shaft 92, 93 carries a bevel wheel 98, 99 in engagement with the driving pinions 90, 91 respectively.
  • each support 81, 82 is angularly movable relative to the motor 80 and therefore relative to the rail vehicle 83 around the motor shaft 89, a flat face of each housing 81, 82 being in abutment against the flange 87 respectively 88 of said motor 80.
  • each housing 81, 82 has a circular toothing 100, 101 situated in a plane parallel to the flanges 87 88.
  • a motor 102, 103 fixed to the flange 87 respectively 88.
  • a locking finger 106, 109 actuated by an electromagnet 107, 110 cooperating with blind holes 108, 111 allows the angular position of the housings 81, 82 to be locked relative to the motor 80.
  • the reprofiling unit is mounted on a carriage 120 similar to the carriage 30 of the second embodiment, rolling along the track using flanged wheels and towed by a railway vehicle. Means are also provided to allow movements in height of this carriage relative to the vehicle. These means are of well known types and are not illustrated in this embodiment.
  • the chassis of this carriage 120 comprises two transverse slides 121 formed by U-shaped beams whose dorsal parts face each other.
  • a gantry 122 is fixed using studs 123 on these slides 121 in a position such that a tool of the reprofiling unit is located, when it is in the working position, above the rail 124.
  • the reprofiling unit comprises an electric motor 125, the drive shaft 126 of which is journalled in the wall of a housing 127 serving to support a group of reprofiling tools.
  • This reprofiling unit is connected to the gantry 122 by a jack whose piston 128 is integral with a rod 129 articulated in 130 on the gantry and whose cylinder 131 is integral with the motor casing 125.
  • the cylinder 131 slides in a split socket 132 having a fixing lug 133 fixed with a bolt 134 to the upper part of the gantry 122.
  • a slit 135 of circular shape makes it possible to modify the inclination of the motor 125 and consequently of the grinding wheel relative to the rail 124.
  • the front part of the motor 125 from which the motor shaft emerges 126 has a flange 136 carrying an indexing pawl 137 subjected to the action a spring 138 whose finger 139 cooperates with notches 140 formed on the periphery of a disc 141, parallel to the flange 136, of the support or housing 127.
  • the end of the drive shaft 126 carries a drive pinion 142 in engagement with two other pinions 143, 144 carried by drive shafts 145, 146 journalled in the housing 127, forming between them and with the shaft d drive angles of 120 °.
  • Each drive shaft 145, 146 carries at its free end emerging from the housing a rotary tool, here lapidary wheels 147, 148.
  • the axis of the grinding wheel 147 in the working position is located in the longitudinal, vertical plane of the rail 124 but, thanks to the slot 135, the grinding wheel 147 can be inclined around the longitudinal axis of the rail for grinding generators different from the surface of the rail head.
  • the axis of the motor 125 is included in a plane perpendicular to the longitudinal axis of the rail but in a variant it could be located in the vertical plane containing the longitudinal axis of the rail 124. In this variant, the slides 121 would be longitudinal and the position of the rail illustrated at 124 '.
  • the drive in rotation of the support 127 to place the grinding wheel 148 in the working position and retract the grinding wheel 147 as well as the actuation of the indexing device 137, 138, 139 to block the successive working positions of the housing can be motorized and controlled from inside the rail vehicle towing the carriage 120.
  • the reprofiling unit comprising a motor 150 and a movable support 151 carrying a group of reprofiling tools is mounted by means of a frame 152 on two plates 153 secured to a carriage 154 guided and towed along the track by a railway vehicle.
  • the frame 152 is fixed by bolts 155 passing through a slot 156 in the plates 153 and can thus be tilted so as to modify the orientation of the tool in the working position relative to the rail 157.
  • This frame 152 comprises two columns 158 each having a piston 159 located in a chamber 160 forming part of the motor casing 150. Thanks to the pneumatic or hydraulic cylinders thus formed, means have been made allowing a tool to be applied against the rail with a determined force; these means also make it possible to raise the reprofiling unit to allow the angular positioning of the support 151.
  • the support 151 can move angularly around the shaft 161 of the motor 150.
  • An electromagnet 162, or a jack, actuating a lock 163 cooperating with blind holes 164 of the support 151 allows a blocking of the successive working positions of housing 151.
  • the group of tools comprises a lapidary wheel 165 and a peripheral wheel 166 mounted on shafts 167, 168 journalled in the housing 151 and driven by the motor shaft 161 by means of gears 169,170,171 and 172.
  • all the rotary tools carried by a support are preferably all simultaneously in rotation.
  • the driven rotary tools which are in the standby position then constitute a large flywheel making it possible to absorb the sudden variations in the load of the tool in work.
  • the reprofiling device it is not necessary to skip when working the track switches or level crossings, the grinding can continue, and the whole track can be reprofiled.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Railway Tracks (AREA)
  • Pulleys (AREA)
  • Paper (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
EP85100608A 1984-02-06 1985-01-22 Dispositif de reprofilage en voie du champignon d'au moins un rail d'une voie ferrée Expired EP0154777B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85100608T ATE32926T1 (de) 1984-02-06 1985-01-22 Schienenkopf-wiederprofilierungsmaschine auf der strecke fuer mindestens eine schiene einer eisenbahn.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH54784A CH655528B (nl) 1984-02-06 1984-02-06
CH547/84 1984-02-06

Publications (2)

Publication Number Publication Date
EP0154777A1 EP0154777A1 (fr) 1985-09-18
EP0154777B1 true EP0154777B1 (fr) 1988-03-09

Family

ID=4189509

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85100608A Expired EP0154777B1 (fr) 1984-02-06 1985-01-22 Dispositif de reprofilage en voie du champignon d'au moins un rail d'une voie ferrée

Country Status (9)

Country Link
US (2) US4615150A (nl)
EP (1) EP0154777B1 (nl)
JP (1) JPS60181402A (nl)
AT (1) ATE32926T1 (nl)
AU (1) AU567385B2 (nl)
CA (1) CA1253345A (nl)
CH (1) CH655528B (nl)
DE (2) DE3561829D1 (nl)
ZA (1) ZA85717B (nl)

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CN102168394A (zh) * 2011-03-08 2011-08-31 四川省成都普什机电技术研究有限公司 无碴轨道板序号高效率加工方法
CN102152182B (zh) * 2011-03-08 2012-07-04 四川省成都普什机电技术研究有限公司 无碴轨道板高效磨削加工方法
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AT513367B1 (de) * 2012-09-13 2014-11-15 Vossloh Mfl Rail Milling Gmbh Verfahren und Vorrichtung zur kraftabhängigen Steuerung bei der Schienenbearbeitung
AT513035B1 (de) * 2012-10-24 2014-01-15 Plasser Bahnbaumasch Franz Verfahren sowie Vorrichtung zum Schleifen von Schienen
RU2539309C1 (ru) * 2013-09-19 2015-01-20 Открытое акционерное общество Научно-исследовательский и конструкторско-технологический институт подвижного состава (ОАО "ВНИКТИ") Устройство для шлифовки головки рельса
AT515805B1 (de) * 2014-07-29 2015-12-15 Rungger Helmut Schienenfahrzeug mit einer Vorrichtung zum Nachbearbeiten der Lauffläche von Gleisschienen
DE102017000260A1 (de) * 2017-01-12 2018-07-12 Gleason-Pfauter Maschinenfabrik Gmbh Verfahren zur hartfeinbearbeitung von verzahnungen, insbesondere innenverzahnungen und dazu geeignete werkzeugmaschine
US10286460B2 (en) 2017-04-07 2019-05-14 Robert J. Murphy Single-pass, single-radial layer, circumferential-progression fill-welding system, apparatus and method for refurbishing railway and other transit rails
AT520384B1 (de) * 2017-11-21 2019-03-15 Maschf Liezen Und Giesserei Ges M B H Bearbeitungsvorrichtung für Schienenanlagen im urbanen Bereich
JP7025382B2 (ja) * 2019-07-31 2022-02-24 近畿車輌株式会社 レール保全システムおよび鉄道車両
FR3101894B1 (fr) * 2019-10-15 2022-04-29 Geismar Alpes Système de motorisation électrique pour machine de construction ou maintenance technique, notamment ferroviaire
CN112323552B (zh) * 2020-10-30 2022-07-08 路国纬 一种适用于各类型打磨设备的钢轨打磨角度编组方法
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CH575509A5 (nl) * 1972-08-31 1976-05-14 Scheuchzer Auguste Les Fils De
US3883323A (en) * 1974-09-06 1975-05-13 Lush E Cooley Welded railroad rail grinding apparatus
AT344772B (de) * 1975-12-01 1978-08-10 Plasser Bahnbaumasch Franz Schienenschleifmaschine
AT366437B (de) * 1978-02-10 1982-04-13 Plasser Bahnbaumasch Franz Gleisverfahrbare maschine zum bearbeiten der schienenkopfoberflaechen
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CH633336A5 (fr) * 1980-01-09 1982-11-30 Speno International Machine de chantier ferroviaire pour la rectification du champignon des rails.
CH626673A5 (nl) * 1980-07-23 1981-11-30 Speno International
AT374848B (de) * 1981-12-07 1984-06-12 Plasser Bahnbaumasch Franz Fahrbare maschine zum abtragen von schienenfahrflaechenunregelmaessigkeiten, insbesondere schienenschleifmaschine
CH655882A5 (de) * 1982-03-29 1986-05-30 Maag Zahnraeder & Maschinen Ag Sicherheitsabschaltvorrichtung an einer zahnradschleifmaschine.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100532719C (zh) * 2003-03-20 2009-08-26 施塔尔贝格·伦施有限及两合公司 通过圆周磨削加工钢轨的滑动面的设备

Also Published As

Publication number Publication date
US4615150A (en) 1986-10-07
DE154777T1 (de) 1985-12-19
USRE32979E (en) 1989-07-11
DE3561829D1 (en) 1988-04-14
JPH0374281B2 (nl) 1991-11-26
JPS60181402A (ja) 1985-09-17
AU567385B2 (en) 1987-11-19
CH655528B (nl) 1986-04-30
CA1253345A (en) 1989-05-02
ATE32926T1 (de) 1988-03-15
EP0154777A1 (fr) 1985-09-18
AU3846385A (en) 1985-08-15
ZA85717B (en) 1985-09-25

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