EP3697559A2 - Verfahren zum herstellen von einer oder mehreren konkaven ausnehmungen auf einem insbesondere im wesentlichen zylindrischen grundkörper, magnetanker, rückschlussplatte und elektromagnetischer aktuator - Google Patents
Verfahren zum herstellen von einer oder mehreren konkaven ausnehmungen auf einem insbesondere im wesentlichen zylindrischen grundkörper, magnetanker, rückschlussplatte und elektromagnetischer aktuatorInfo
- Publication number
- EP3697559A2 EP3697559A2 EP18795323.7A EP18795323A EP3697559A2 EP 3697559 A2 EP3697559 A2 EP 3697559A2 EP 18795323 A EP18795323 A EP 18795323A EP 3697559 A2 EP3697559 A2 EP 3697559A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- armature
- rotation
- axis
- interface
- magnetic
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B5/36—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning specially-shaped surfaces by making use of relative movement of the tool and work produced by geometrical mechanisms, i.e. forming-lathes
- B23B5/46—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning specially-shaped surfaces by making use of relative movement of the tool and work produced by geometrical mechanisms, i.e. forming-lathes for turning helical or spiral surfaces
- B23B5/48—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning specially-shaped surfaces by making use of relative movement of the tool and work produced by geometrical mechanisms, i.e. forming-lathes for turning helical or spiral surfaces for cutting grooves, e.g. oil grooves of helicoidal shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/28—Grooving workpieces
- B23C3/30—Milling straight grooves, e.g. keyways
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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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/029—Electromagnetically actuated valves
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0686—Braking, pressure equilibration, shock absorbing
- F16K31/0693—Pressure equilibration of the armature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/081—Magnetic constructions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/16—Rectilinearly-movable armatures
- H01F7/1607—Armatures entering the winding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/28—Grooving workpieces
- B23C3/32—Milling helical grooves, e.g. in making twist-drills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P13/00—Making metal objects by operations essentially involving machining but not covered by a single other subclass
- B23P13/02—Making metal objects by operations essentially involving machining but not covered by a single other subclass in which only the machining operations are important
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/081—Magnetic constructions
- H01F2007/086—Structural details of the armature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/16—Rectilinearly-movable armatures
- H01F7/1607—Armatures entering the winding
- H01F7/1615—Armatures or stationary parts of magnetic circuit having permanent magnet
Definitions
- the invention relates to a base body, in particular a magnet armature, plunger or a return plate, magnet armature, plunger or return plates, which has one or more recesses produced by this method, and electromagnetic actuator having such a magnet armature and / or such a return plate a method for herstel ⁇ len of one or more concavities in particular an armature or a yoke plate, a Mag ⁇ netanker, a plunger or a backing plate, which has one or more recesses produced by this method, and an electromagnetic actuator having such a Magnetic anchor or such a return ⁇ circuit plate.
- Electromechanical actuators are characterized in that they comprise a magnet armature, which is movable by means of a current supply of a coil unit at least between a first position and a second position.
- a widespread application find such electromechanical actuators in valves, where they lock the fluid flow in the first position and release in the second position.
- the valve seat can be opened and closed with a plunger which is actuated by such an actuator.
- a corresponding actuator is fenbart in DE 10 2014 113 349 AI of ⁇ .
- the magnet armature is movably mounted in a ceremoniesseinrich ⁇ tung as a guide tube or a sliding bearing along ei ⁇ ner longitudinal axis.
- the Magnet armature also gela ⁇ siege by means of an axis located in it, wherein the armature of a tube is annularly ⁇ closed, as it is realized, for example, in a so-called cartridge valve design.
- the solenoid armature is adjacent loading in the guide or in the tube by means of a first boundary surface ⁇ a first portion and a second portion by a second boundary ⁇ surface.
- the anchor can thereby be län ⁇ ger than the guide or the pipe. In this case, be ⁇ adjoin the two boundary surfaces of the guide or of the tube, the two sections. In both sections can be a
- Fluid which is compressed or relaxed at a corresponding movement of the armature along the longitudinal axis when it is a liquid fluid, the mobility of the armature can be largely limited.
- the fluid In order to ensure the mobility of the armature, to shorten shift times to reduce hysteresis to ver ⁇ smaller or switching forces, the fluid must Zvi ⁇ 's back and the two sections can herströmen.
- ⁇ to annular gaps are usually provided, but provide too low a cross-section in egg Nigen cases in order to ensure a sufficient cut fluid balance between the two ex ⁇ . Therefore, armature are provided with holes or grooves that extend between the ⁇ at the interfaces of the magnet armature and allow sufficient fluid compensation.
- a central bore separates particular if a centrally arranged plunger moves with the armature ⁇ the must.
- An off-center drilling is relatively expensive to manufacture, as most of the time an unfavorable bore diameter /
- Drilling depth ratio is present and the lathe must hold ⁇ for this purpose.
- Magnetic armatures are known which have one or more milled slots. These grooves are usually straight and can not subsequently be processed with a through-grinding process. The milled groove must be milled and deburred with a small end mill, which only allows a limited feed. The lathe must be held ⁇ , whereby a parallel secondary processing is not possible. In addition, each groove must be individually ge for itself ⁇ mills.
- Object of an embodiment of the present invention is to provide a method with which a recess, in particular ⁇ a groove in a magnet armature, cost is herzu ⁇ set and which allows a high accuracy of the outer diameter of the armature.
- An embodiment of the invention relates to a method for producing one or more concave recesses on a substantially cylindrical base body, in particular of one or more grooves on a magnetic armature, a plunger or on a magnetic return plate comprising fol ⁇ constricting steps of:
- a striking tool which is provided with a number of striking knives, about a second axis of rotation, wel- In parallel and offset from the first axis of rotation extends in a second direction of rotation, which is opposite to the first direction of rotation, so that the flywheel and the main body in an engagement zone mainly in the same direction move such that the flywheel for Her ⁇ make the recess material lifting engages in the body.
- Impact tools with drop diameters are used on edge to beat the so-called multi-, in which a base body having a cylindrical cross section, in most cases, is provided with a number of straight or slightly curved surfaces shipping ⁇ hen.
- both the main body and the impact tool are rotated about parallel and spaced apart rotating axes in the same direction of rotation, wherein the distance between the two axes of rotation is chosen so that the impact tool engages with the flywheel diameters in the Grundkör ⁇ .
- the impact gauge moves in the opposite direction to the base body and lifts material from the base body as a result of the engagement.
- a Derar ⁇ term use is described in WO 2003/085237 Al, which are in ge ⁇ made in this way annular grooves on a valve housing.
- the base body is rotated in a first direction of rotation and the impact tool in a second direction of rotation ⁇ , wherein the first direction of rotation of the second direction of rotation is opposite.
- the main body and the Schlagmes ⁇ ser in engagement move mainly in the same direction.
- the beater blades In order for the beater blades to be able to engage in the base body in a material-removing manner, they have to work relatively well with their cutting surfaces Base body seen within the engagement zone forward be ⁇ because.
- the term "impact tool” here also includes routers that tel Vietnamese in terms of the number and angular distance of Schnei ⁇ and diameter of the cutting with respect to the Fräsermit- may have the same structure as an impact tool.
- the continuing lathe can be used, for example, to make holes.
- the magnet armature after completion of the recess standardized be poliergleitgeschliffen according ⁇ him, wherein the disadvantage of clogging of the bore can be avoided with Poliergleitpaste as a groove can be much better ge ⁇ purified in a washing process as a hole.
- the Ver comprises ⁇ drive the step that the impact tool is moved relative to zy ⁇ -cylindrical main body along the second axis of rotation.
- the base body along the first axis of rotation ⁇ or the base body along the first axis of rotation and the impact tool along the second axis of rotation can be moved ⁇ the.
- in addition to the rotational movement about the first and the second axis of rotation also takes place a translational movement along the first and / or the second axis of rotation. The impact tool is therefore moved relative to the main body along the axes of rotation.
- the recesses formed When the impact tool purely rotationally moved relative to the base body, the recesses formed have a width substantially equal to the width of the fly cutter entspre ⁇ surfaces at their cutting surfaces. However, moving the striking tool relative to the base body ⁇ along the axes of rotation, results in a further offset in respect to the rotation axis of the body recess. If the recesses merge without interruption, a groove is created. In the context of the present application, a number of along the rotational axis ver ⁇ translated recesses intended as ⁇ forth under a groove to be understood that merge into one another without interruption. Consequently, it is possible in this embodiment ⁇ form to produce a groove over the entire length of the body. In particular, when the base body is used as Mag ⁇ netanker, by means of the proposed method by turning a groove can be made, which extends from the first interface to the second interface and thus enables fluid communication between the two sections mentioned above.
- the cylindrical base body can see can be rotated at a second speed having a first speed and the striking mechanism ⁇ imaging, wherein the ERS ⁇ th speed and the second speed are the same or are in an integer ratio to each other.
- the first speed and the second rotational speed are equal and the impact tool having exactly one blow knife, formed from a ⁇ recess or a groove. If the first speed and the second speed are the same and the striking tool has two striking blades, two recesses or two grooves are formed.
- the angular arrangement of the recess and the grooves relative to the circumference of the base body corresponds to those of the impact knife ⁇ in impact tool.
- the second speed is twice as high as the first speed and the impact tool has exactly one beater blade, two recesses or two grooves, which are arranged offset by 180 ° relative to each other on the circumference. Consequently, with the number of
- the cylindri ⁇ cal body can be rotated at a first speed and the Schlagtechnik ⁇ convincing with a second speed, wherein the ers ⁇ te speed and the second speed differ by a difference vonei ⁇ nander.
- a groove is to be understood as meaning a number of recesses, wherein the recesses merge without interruption.
- two adjacent recesses are due to the difference of Rotational speeds relative to the circumference arranged angularly offset. Be the impact tool and the base body thereby moved not re ⁇ tively to one another along the axes of rotation, the result is a groove, in particular a ring groove with the width of the
- the base body can magne ⁇ table, magnetized or magnetizable.
- the main body is particularly suitable for use in electromagnetic actuators.
- An embodiment of the invention relates to a magnet armature for use in a magnetic or electromagnetic actuator, comprising
- An embodiment of the invention relates to a yoke ⁇ plate for use in a magnetic or electromagnetic ⁇ tables actuator, comprising
- the magnet armature can be provided in a cost-effective manner with recesses or grooves, without the Drehma ⁇ machine must be stopped. In particular can be manufactured in a between the first and the second interface réellere ⁇ ADORABLE groove in an inexpensive and rapid manner.
- the recesses allow the plastic melt to flow from the injection point side to the side of the return plate located behind it.
- the magnet armature has one or more running between the first interface and the second interface Nu ⁇ th, which is manufactured according to the method according to one of the previously discussed embodiments, and the first section and the second section connects flui ⁇ disch.
- the plunger or the guide device delimits a first section by means of a first interface and a second section by means of a second interface
- the plunger has one or more extending between the first boundary surface ⁇ and the second interface grooves, which is made according to the method according to one of the ⁇ before discussed embodiments and the first portion and the second section flui ⁇ schisch together.
- a further embodiment of the invention relates to an electrophotographic ⁇ magnetic actuator comprising
- the magnet armature can be inexpensively provided with recesses or grooves, without the lathe must be stopped.
- Figure 1 is a schematic representation of one of the prior
- FIG. 2 shows a schematic representation of a first embodiment of the method according to the invention
- Figure 3 shows a schematic representation of a second exporting ⁇ approximate shape of the inventive method
- Figure 4 shows a schematic representation of a third exporting ⁇ approximate shape of the inventive method
- 5 shows a basic representation of a first exporting ⁇ approximate shape of an electromagnetic actuator with egg ⁇ nem magnetic armature which has been processed with the inventive drive Ver ⁇
- Figure 6 shows a schematic representation of a second exporting ⁇ approximate shape of an electromagnetic actuator with egg ⁇ nem magnetic armature which has been processed with the inventive Ver ⁇ drive
- Figure 7 is a perspective view of a yoke ⁇ plate that has been processed with the inventive method
- Figure 8 is a sectional view of a third embodiment of an electromagnetic actuator with a return ⁇ closing plate that has been processed with the inventive procedural ⁇ reindeer
- Figure 9 is a perspective view of a plunger which has been processed by the method according to the invention.
- FIG. 1 shows a multi-edge impact known from the prior art on the basis of a schematic diagram.
- a state in the original substantially cylindricity ⁇ shear body is clamped in a lathe 12 and 10 rotated at a first rotational speed nl about a first Drehach ⁇ se Tl.
- an impact tool 14 which has a disk-shaped receiving body 16, are attached in which two fly cutter 18, rotated at a second speed n2 Drehge ⁇ about a second axis of rotation T2.
- the second axis of rotation T2 is parallel and around the distance D. offset to the first axis of rotation Tl.
- the main body 10 is rotated in a first direction of rotation and the impact tool 14 in a second direction of rotation, which are marked with the arrows PI and P2 ge ⁇ .
- the distance D between the first rotary ⁇ axis Tl and the second axis of rotation T2 is chosen so that the beater blade 18 material-lifting in the body 10 can grab ⁇ .
- the main body 10 moves in the engagement zone mainly in the opposite direction to the flywheel 18 as an engagement zone, the area of the base body 10 is to be understood, which is covered by the flywheel 18 or is going through.
- Knife 18 each have a cutting surface 20 with which they lift the material from the base 10 in engagement.
- the cutting surfaces 20 are arranged so as to be moved forward relative to the circumference of the receiving body 16. Due to the material-removing engagement creates a flat or slightly curved surface on the base body 10th
- the impact tool 14 has two impact blades 18. If the first rotation speed nl is the same as the second one
- Rotation speed n2 results in two of the flat or slightly curved surfaces 21 on the base body 10.
- Darge ⁇ example presented is the second rotational speed but n2 twice as large as the first rotational speed nl, so that four of the flat or slightly curved surfaces 21 are formed ,
- FIG. 2 shows a schematic representation of a first exemplary embodiment of the method according to the invention.
- a first exemplary embodiment of the method according to the invention is a in the original state usually essenli ⁇ Chen cylindrical body 22 in a lathe 24 a ⁇ stretched and rotated about a first axis of rotation Tl.
- base body 22 with a different cross section, for example elliptical or polygonal.
- a striking tool 26 is ge ⁇ rotates about a second axis of rotation T2, which is spaced by the distance D and parallel to the first axis of rotation Tl.
- the impact tool 26 has two impact blades 30, which are fastened uniformly on a discoidal receiving body 28 distributed over its circumference.
- the distance between the two rotary ⁇ axes Tl, T2 is dimensioned so that the flywheel 30 can intervene ⁇ inside an engagement zone E in the body 22.
- the main body 22 is rotated in a first direction of rotation and the impact tool 26 in a second direction of rotation.
- the directions of rotation are marked with the arrows P3 and P4.
- the main body 22 is turned to the right and the impact tool 26 to the left.
- the gears rotating in the opposite direction leads to the fact that the impact blade 30 and the base body 22 in the engagement zone E mainly bewe ⁇ gene in the same direction.
- the impact tool 26 In addition to the rotation about the second axis of rotation T2, the impact tool 26 also along the second axis of rotation T2 ⁇ be moved. Without the movement along the second axis of rotation T2 ent ⁇ is due to the engagement of the flywheel 30, a concave recess 32 in the base body 22, which has a width which corresponds approximately to the width of the flywheel 30. Since, however, the impact tool 26 is also moved along the second axis of rotation T2, a further output is produced with each intervention. Reception 32, which relative to the first axis of rotation Tl offset from the previously formed recess 32 is arranged.
- the Ge ⁇ speed at which the impact tool 26 is moved along the second axis of rotation T2 is selected so that two adjacent recesses 32 merge into one another without interruption. As a result, formed a groove 34 which is ge ⁇ forms of egg ⁇ ner plurality of merging recesses 32nd
- the base body 22 is nl with a first rotational speed and the striking tool 26 is rotated with a second Wheelgeschwin ⁇ speed n2. If the two rotational speeds nl, n2 equal, results in two recesses 32 on the Grundkör ⁇ per 22 since the striker 26 two fly cutter has ⁇ 30th Since the two impact blades 30 include an angle of 180 ° relative to the circumference of the receiving body 28, the recesses 32 also enclose an angle of 180 ° in a plane extending perpendicular to the first axis of rotation T1.
- Impact tool 26 is moved along the second axis of rotation T2, not too large.
- the first and the second rotational speed n1, n2 must not differ too much from each other.
- a difference ⁇ in the rotational speeds nl, n2 of ⁇ 0.1% has been found to be advantageous, but can va ⁇ riieren depending on the helix angle, advance per stroke diameter and length of the base body 22.
- the groove 34 By increasing difference ⁇ an ever, the groove 34 more pronounced staircase-shaped course. With a too large difference ⁇ two adjacent recesses 32 are no longer connected to each other ⁇ ver.
- FIG. 3 shows a second embodiment of the method according to the invention on the basis of a basic illustration.
- the impact tool 26 into ⁇ total four beater blade 30, which are arranged uniformly distributed over the catch of the order ⁇ Conskorpers 28th
- the main body 22 and the imaging Schlagtechnik- be rotated in different directions of rotation 26th.
- Impact blades 30 have cutting surfaces 36, which are aligned in the embodiment shown in Fi ⁇ gur 3 so that they are moved when turning therackorpers 28 forward. It is to be assumed in the following that the first rotational speed nl and the second Drehgeschwin ⁇ speed n2 are the same. Thus, the rain gauge may materialab ⁇ lifting engage with the main body 22 30, the impact blades have 30 move with their cutting surfaces 36 seen relative to the base 22 within the engagement zone E forward.
- FIG. 4 shows a third embodiment of the invention shown SEN process is shown with reference to a schematic illustration.
- the impact tool 26 has four fly cutter 30, but which are in this case arranged so that the cutting ⁇ surfaces 36 upon rotation of the impact tool 26 backwards, ie in the opposite direction moves.
- the opposite direction of rotation by impact tool 26 according to the invention and basic ⁇ body 22 takes place, and the base body must backwards, ie in the opposite direction moves.
- This is important in the off ⁇ choice of the impact tool and the lathe, as there are left-handed and right-handed striking tools, which differ in the on ⁇ arrangement of the cutting. Which impact tool you have to select, in turn, depends on where in the rotary ⁇ machine, the drive for the impact tool sits and in wel ⁇ chem rotation you want to let the lathe run.
- the first rotational speed NL of the main body 22 must thus be selected in relation to the second Wheelge ⁇ speed n2, the first Tangentialge ⁇ speed VTL of the material of the base body 22 in the engagement zone E is higher than the second Tangentialgeschwin ⁇ speed vt2 of the cutting surfaces 36. Consequently, the material in the engagement zone E to the cutting surfaces 36 is moved to.
- the depth and width of the recesses 32 and the grooves 34 can be eiograph 22 over the distance D of the two rotary axes Tl, T2 zuei ⁇ Nander and across the diameter of the striking tool 26 and the base body.
- Figure 5 shows a schematic view of a first guide From ⁇ embodiment of an electromagnetic actuator 38i having a substantially cylindrical armature 40 which is made from an initially cylindrical body 22 by appropriation of the inventive method.
- the solenoid armature 40 is mounted along a longitudinal axis L movably in a guide means 42 which is designed here as Introductio ⁇ extension tube.
- the armature 40 divides the guide means 42 into a first portion 44 and a second portion 46, wherein the armature 40 is a first
- Interface 48 which faces the first section 44
- second interface 50 which faces the second section 46.
- first interface 48 of ei ⁇ ner first end face 49 and the second interface 50 from a second end face 51 of the armature is formed.
- the armature 40 is provided with a helical groove 34 extending between the first interface 48 and the second interface 50.
- the first section 44 and the second section 46 are filled with a gaseous or liquid fluid.
- the armature 40 has a receptacle 52, via which a plunger, not shown, can be attached.
- the actuator 38i a pole core 54, and an energizable coil unit 56.
- the coil unit 56 is energized, whereby the MagneTan ⁇ ker 40 moves along the longitudinal axis L to the pole core 54 toward or away from it.
- the first section 44 of the first end face 49 of the magnet armature 40, by the Füh ⁇ tion device 42 and the pole core 54 is limited. If the armature 40 is moved toward the pole core 54, the fluid in the first section 44 would be compressed. If the armature 40 is moved away from the pole core 54, the fluid would be relaxed in the first section 44. In both cases, the mobility of the armature 40 would be restricted.
- the armature is provided with between the first and the second boundary surface 48, 50 extending groove 34 40, is a fluid balancing be- see the first and the second portion 44, 46 provides slightest ⁇ tet, so that the fluid in the first portion 44 when moving the armature 40 is not compressed or relaxed.
- the Be ⁇ mobility of the armature 40 is thus ensured. Due to the helical groove 34, the armature 40 is slightly rotated as it moves along the longitudinal axis L therethrough, whereby the wear of the magnet armature 40 is distributed over a larger area. As a result, the operating time can be increased.
- Figure 6 shows a schematic representation of a second example of a guide from ⁇ electromagnetic actuator 382, wel ⁇ cher has largely the same construction as the actuator 38i according to the first embodiment.
- the guide device 42 has a different structure.
- the guide device 42 comprises a first sliding bearing 58 and a second sliding bearing 60.
- the first sliding bearing 58 forms the first boundary surface 48, while the second sliding bearing 60 forms the second boundary surface 50.
- the operation of the actuator 382 is the same as that of the actuator 38i of the first embodiment.
- FIG. 7 shows a perspective view of a rear ⁇ closing plate 62 is illustrated.
- the return plate 62 comprises the cylindrical base body 22, which is disc-shaped here.
- the recesses 32 are arranged, which have been prepared according to egg ⁇ nem of the previously described method.
- the recesses 32 are each formed as a gera ⁇ de groove 34.
- FIG. 8 shows a third exemplary embodiment of an actuator 383 on the basis of a sectional representation.
- the actuator 383 comprises the return plate 62 shown in FIG. 7, around which an injection-molded housing 66 made of plastic is encapsulated.
- the housing 66 forms a plug receptacle 68 in order to supply the actuator 383 with electrical energy and in particular to energize the coil unit 56.
- FIG. 8 shows the approximate position of the injection point 70 of the housing 66. It can be seen that the An mousse ⁇ point 70 is located between the coil support 64 and the remind gleichplat ⁇ te 62nd The recesses 32 ensure that the ver ⁇ liquid plastic during injection molding from the injection point 70 in the bobbin 64 seen from behind the back ⁇ closing plate 62 lying portions of the housing 66 can flow.
- a plunger 72 also referred to as an axis, at ⁇ hand shown a perspective view.
- the horni ⁇ elle structure of the plunger 72 is similar to the armature 40 shown in Figures 5 and 6, however, the Key STOE a rod-shaped portion 74, with which a valve body can be operated in play ⁇ .
- the plunger 72 like the magnet armature 40 shown in FIG. 6, can be movably mounted by means of slide bearings 58, 60 or by means of another mounting in the actuator 38 along the longitudinal axis L. Also, the plunger has the first interface 48 and the second
- Boundary surface 50 which are formed as the first end face 49 and the second end face 51. Between the first end face 49 and the second end face 51 extend in the illustrated embodiment, three recesses 32, which have been produced by the method according to the invention. In contrast to the armature 40, the recesses 32 are not helical, but are straight.
- the plunger 72 may be made of a metallic material, such as a non-magnetic stainless steel or brass. Although the ram can be ge also of a magnetic material ⁇ customized, however, the plunger can not be arranged 72 depending Einbausi ⁇ situation in the magnetic circuit. In this case, a magnetic material could cause a magnetic short circuit.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnets (AREA)
- Manufacture Of Motors, Generators (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Turning (AREA)
- Milling Processes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102017124187.6A DE102017124187A1 (de) | 2017-10-17 | 2017-10-17 | Verfahren zum Herstellen von einer oder mehreren konkaven Ausnehmungen auf einem insbesondere im Wesentlichen zylindrischen Grundkörper insbesondere auf einem Magnetanker, Stößel oder einer Rückschlussplatte, Magnetanker, Stößel oder Rückschlussplatten, welcher eine oder mehrere nach diesem Verfahren hergestellte Ausnehmungen aufweist, sowie elektro-magnetischer Aktuator mit einem derartigen Magnetanker und/ oder einer derartigen Rückschlussplatte |
PCT/EP2018/078435 WO2019076990A2 (de) | 2017-10-17 | 2018-10-17 | VERFAHREN ZUM HERSTELLEN VON EINER ODER MEHREREN KONKAVEN AUSNEHMUNGEN AUF EINEM INSBESONDERE IM WESENTLICHEN ZYLINDRISCHEN GRUNDKÖRPER INSBESONDERE AUF EINEM MAGNETANKER ODER EINER RÜCKSCHLUSSPLATTE, MAGNETANKER, STÖßEL ODER RÜCKSCHLUSSPLATTEN, WELCHER EINE ODER MEHRERE NACH DIESEM VERFAHREN HERGESTELLTE AUSNEHMUNGEN AUFWEIST, SOWIE ELEKTROMAGNETISCHER AKTUATOR MIT EINEM DERARTIGEN MAGNETANKE, STÖßEL UND/ ODER EINER DERARTIGEN RÜCKSCHLUSSPLATTE |
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EP3697559A2 true EP3697559A2 (de) | 2020-08-26 |
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EP18795323.7A Pending EP3697559A2 (de) | 2017-10-17 | 2018-10-17 | Verfahren zum herstellen von einer oder mehreren konkaven ausnehmungen auf einem insbesondere im wesentlichen zylindrischen grundkörper, magnetanker, rückschlussplatte und elektromagnetischer aktuator |
Country Status (6)
Country | Link |
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US (1) | US11679440B2 (de) |
EP (1) | EP3697559A2 (de) |
JP (1) | JP7183263B2 (de) |
CN (1) | CN111278592A (de) |
DE (1) | DE102017124187A1 (de) |
WO (1) | WO2019076990A2 (de) |
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DE102020115302A1 (de) * | 2020-06-09 | 2021-12-09 | Index-Werke Gmbh & Co. Kg Hahn & Tessky | Werkzeugmaschine und Verfahren zum Betreiben einer Werkzeugmaschine |
CN112728172B (zh) * | 2020-12-31 | 2023-01-10 | 青海中控太阳能发电有限公司 | 一种高温流体用可截止止回阀及其阀瓣加工设备 |
CN113579262B (zh) * | 2021-07-30 | 2022-09-02 | 深圳大学 | 飞刀切削组件 |
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DE552204C (de) | 1930-12-28 | 1932-06-10 | Froriep G M B H Maschf | Verfahren zum Einarbeiten von Schaerfungsnuten in Walzen |
DE911689C (de) | 1950-09-16 | 1954-05-17 | Breuer Werke Ges Mit Beschraen | Vorrichtung zur spanabhebenden Bearbeitung von Werkstuecken |
JPS5195680A (en) * | 1975-02-19 | 1976-08-21 | Senbankakonyori takakukeio setsusakusuru hoho | |
DE3309904A1 (de) * | 1983-03-18 | 1984-09-20 | Mannesmann Rexroth GmbH, 8770 Lohr | Elektromagnet und magnetventil |
DE4117365C1 (en) * | 1991-05-28 | 1992-05-07 | Hurth Maschinen Und Werkzeuge Gmbh, 8000 Muenchen, De | Milling sickle-shaped pockets in sleeve inner bore - uses single-tooth milling cutter and continuously rotates workpiece about its axis |
JPH06262401A (ja) * | 1993-01-13 | 1994-09-20 | Canon Inc | ビデオテープレコーダのシリンダー及び回転体の加工方法及び加工装置 |
JP2000079510A (ja) * | 1998-08-31 | 2000-03-21 | Fuji Kiko Co Ltd | 切削加工方法及び切削加工装置 |
DE10215939C1 (de) | 2002-04-11 | 2003-08-21 | Ina Schaeffler Kg | Elektromagnetisches Hydtaulikventil, insbesondere Proportionalventil zur Steuerung einer Vorrichtung zur Drehwinkelverstellung einer Nockenwelle gegenüber einer Kurbelwelle einer Brennkraftmaschine, sowie Verfahren zu dessen Herstellung |
JP2004223836A (ja) * | 2003-01-22 | 2004-08-12 | Fuji Photo Film Co Ltd | パターンロールの製作方法及び装置並びに光学シートの製膜方法 |
EP1614495B1 (de) * | 2003-04-09 | 2017-08-30 | Mitsubishi Denki Kabushiki Kaisha | Vorrichtung zur bearbeitung eines schraubenrotors |
US7757591B2 (en) | 2005-10-19 | 2010-07-20 | 3M Innovative Properties Company | Aligned multi-diamond cutting tool assembly for creating microreplication tools |
US20090041553A1 (en) | 2007-08-06 | 2009-02-12 | 3M Innovative Properties Company | Fly-cutting system and method, and related tooling and articles |
JP5301256B2 (ja) * | 2008-12-03 | 2013-09-25 | カヤバ工業株式会社 | ソレノイド |
JP5104748B2 (ja) * | 2008-12-25 | 2012-12-19 | 株式会社デンソー | 電磁駆動装置 |
DE102011056853A1 (de) | 2011-12-22 | 2013-06-27 | Eto Magnetic Gmbh | Spulenträger sowie elektromagnetische Stellvorrichtung mit Spulenträger |
DE102012203870A1 (de) * | 2012-03-13 | 2013-09-19 | Robert Bosch Gmbh | Druckregelventil, insbesondere für einen Hochdruckspeicher eines Kraftstoffeinspritzsystems |
JP5905320B2 (ja) * | 2012-04-16 | 2016-04-20 | 東芝機械株式会社 | フライカットによるフィルム状ワークへの溝加工方法及び鏡面加工方法 |
JP6188143B2 (ja) * | 2013-09-24 | 2017-08-30 | 日立オートモティブシステムズ株式会社 | 燃料噴射弁 |
DE102014113349A1 (de) | 2014-09-16 | 2016-03-17 | Kendrion (Villingen) Gmbh | Elektromagnetisch betätigbares Ventil |
JP2016100517A (ja) * | 2014-11-25 | 2016-05-30 | アイシン精機株式会社 | ソレノイド |
CN109153086B (zh) * | 2016-05-19 | 2020-12-22 | 兼房株式会社 | 使用了旋转切削工具的凹坑加工方法 |
CN205900226U (zh) * | 2016-07-22 | 2017-01-18 | 绵阳富临精工机械股份有限公司 | 一种电磁铁 |
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- 2017-10-17 DE DE102017124187.6A patent/DE102017124187A1/de active Pending
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2018
- 2018-10-17 CN CN201880067942.8A patent/CN111278592A/zh active Pending
- 2018-10-17 JP JP2020521401A patent/JP7183263B2/ja active Active
- 2018-10-17 WO PCT/EP2018/078435 patent/WO2019076990A2/de unknown
- 2018-10-17 US US16/756,748 patent/US11679440B2/en active Active
- 2018-10-17 EP EP18795323.7A patent/EP3697559A2/de active Pending
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JP2020537820A (ja) | 2020-12-24 |
JP7183263B2 (ja) | 2022-12-05 |
US11679440B2 (en) | 2023-06-20 |
US20210187620A1 (en) | 2021-06-24 |
DE102017124187A1 (de) | 2019-04-18 |
CN111278592A (zh) | 2020-06-12 |
WO2019076990A3 (de) | 2019-08-22 |
WO2019076990A2 (de) | 2019-04-25 |
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