EP2708324A1 - Plaque de table pour table à butée de ressort d'une rectifieuse pour ressorts et rectifieuse à ressorts dotée de celle-ci - Google Patents

Plaque de table pour table à butée de ressort d'une rectifieuse pour ressorts et rectifieuse à ressorts dotée de celle-ci Download PDF

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Publication number
EP2708324A1
EP2708324A1 EP13181778.5A EP13181778A EP2708324A1 EP 2708324 A1 EP2708324 A1 EP 2708324A1 EP 13181778 A EP13181778 A EP 13181778A EP 2708324 A1 EP2708324 A1 EP 2708324A1
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EP
European Patent Office
Prior art keywords
table top
grinding
plate
spring
carrier plate
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.)
Granted
Application number
EP13181778.5A
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German (de)
English (en)
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EP2708324B1 (fr
Inventor
Bernd Walz
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Wafios AG
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Wafios AG
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Publication of EP2708324A1 publication Critical patent/EP2708324A1/fr
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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
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10—Single-purpose machines or devices
    • B24B7/16—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
    • B24B7/167—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings end faces coil springs
    • 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
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B24B41/068—Table-like supports for panels, sheets or the like
    • 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
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10—Single-purpose machines or devices
    • B24B7/16—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
    • B24B7/17—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings for simultaneously grinding opposite and parallel end faces, e.g. double disc grinders

Definitions

  • the invention relates to a table top for a spring support table of a spring end grinding machine according to the preamble of claim 1 and a spring end grinding machine equipped with at least one such table top according to the preamble of claim 9.
  • Helical compression springs are machine elements that are required in numerous applications in large numbers and different designs. Helical compression springs are needed for example as suspension springs or valve springs in large quantities in the automotive industry. A helical compression spring may be described as a coiled or wound compression spring of wire with spaces between turns.
  • the spring ends are used to transfer the spring force to the connector body and are usually designed so that at each spring position as axial as possible compression is effected.
  • the spring end grinding ie the material-removing processing of the spring ends by means of grinding, contributes in this context to create at the spring ends at right angles to the spring axis sufficient contact surfaces for the connection body.
  • Spring end grinding is part of the process chain for producing a helical compression spring from cold-formed wire. This process chain includes many further production steps, which ultimately lead to a ready-to-install helical compression spring.
  • the double side plan grinding process with unstressed springs has become established in many areas.
  • grinding with a rotating tool is known to be a machining process with geometrically indeterminate cutting.
  • the designation of the double side grinding process depends on the type of surfaces to be created (flat surfaces), the number of surfaces to be ground (two), the mainly engaged part of the grinding wheel (side surface) and the process (grinding).
  • a special feature of this method is the fact that the helical compression springs apply the grinding pressure itself.
  • a numerically controlled spring end grinder suitable for the double side grinding method has a grinding unit, a loading unit with a spring support table, and a control unit for controlling the loading unit and the grinding unit.
  • the grinding unit has a grinding wheel pair with two vertically superposed rotatable grinding wheels, the axes of rotation are usually arranged coaxially to each other or slightly tilted against each other. Between the mutually facing side surfaces of the grinding wheels a grinding space is formed.
  • a table top of the spring support table has on the side facing the grinding wheels a circular arc-shaped recess which is adapted to the outer edge of the lower grinding wheel so that only a narrow gap remains between the table top and the grinding wheel.
  • the table top is mounted so that the top of the table top is located substantially level with the abrasive top surface (side surface) of the bottom grinding wheel.
  • a tabletop can be constructed in one piece or in several parts from a plurality of matching tabletop segments
  • the loading unit has at least one loading plate shaft, which is provided for receiving a loading plate.
  • Multi-table machines often have a turntable which is rotatable about a vertical turntable axis.
  • the turntable carries at least two axially parallel with the turntable axis rotatable loading plate shafts, which are each provided for receiving a loading plate.
  • a table top of the turntable can act as a movable table top segment of the table top of the spring support table.
  • the loading plates received by the loading plate shafts can be transported away from the grinding unit by rotating the turntable between a working position in the vicinity of the grinding unit and a loading position. At the same time as the grinding operation, the loading plate located in the loading position can be loaded and / or unloaded.
  • the turntable thus allows a grinding process with low auxiliary times for loading and unloading and thus high productivity.
  • those helical compression springs which are accommodated in spring housings of the loading plate arranged in the working position, are transported by rotation of the loading plate successively on a circular arcuate sliding track or track through the grinding space between the rotating grinding wheels. In each case, both spring ends of the helical compression springs located in the grinding space are simultaneously processed by grinding. Outside the grinding space, the helical compression springs run in continuation of the grinding path on an arcuate spring track on the spring support table and are based on the top of the table top of the spring support table from.
  • tabletops for spring support tables or the associated tabletop segments are manufactured today from through-hardened steel. Are the tabletops or tabletop segments worn out, they are removed and replaced with new ones. The preparation of such table tops is relatively expensive, the removal and installation relatively expensive and thus also expensive for the end user.
  • the invention provides a table top for a spring end grinding machine with the features of claim 1 and a spring end grinding machine with the features of claim 9 ready.
  • Generic table tops according to the claimed invention have a layer structure at least in a transition region adjoining the circular arc-shaped recess.
  • This layer structure or this layer structure is characterized in that a relatively thick support plate is provided and on the support plate, a cover layer is provided which is thin relative to the support plate, which is connected flat to the support plate and has a free surface which the free surface of the table top forms.
  • the carrier plate consists of a first material.
  • the top layer consists of one in comparison to the first material significantly more wear-resistant second material.
  • the carrier plate can be, for example, several centimeters thick and consist of a suitable steel material (first material).
  • a backing plate may have a continuous flat top that supports the cover over its entire area.
  • the relatively thin cover layer which forms a laminar composite with the stable support plate itself does not require high mechanical stability, since the mechanical stability is created by the surface bond with the solid support plate.
  • the material for the cover layer (the second material) can be selected for the least possible wear in the mechanical stress during spring end grinding.
  • the thickness of the cover layer may be relatively small and, for example, 10 mm or less, in particular 5 mm or less.
  • the thickness can e.g. between 1 mm and 5 mm, e.g. at about 4 mm.
  • the thickness of the cover layer is at most 40% or at most 20% of the thickness of the support plate.
  • the thickness of the cover layer may be e.g. between 1% and 15% of the thickness of the support plate, if necessary, above.
  • the layer structure may be provided at one, several or all table top segments, at least at Tabletop segments (one or more) immediately adjacent to the recess.
  • the springs which are received in a loading position located in the working position, move in a circular orbit about the axis of rotation of the loading plate.
  • the springs run again and again from the spring support table via an inlet area into the grinding space between the grinding wheels and after a short time of processing again in an outlet area on the spring support table.
  • the lower spring ends move in a loop on the surface of the spring support table in a circular arc before being transported again into the grinding space.
  • the surface of the spring support table especially in the inlet area and in the outlet area close to the grinding space mechanically stressed, which leads to signs of wear due to abrasion of material.
  • the invention can alleviate these problems.
  • suitable wear-resistant second materials for the cover layer the wear problem can be significantly mitigated, so that an exchange of table tops or table top segments less often than previously necessary.
  • the support plate may for example consist of an unhardened steel material and is thereby cheaper to manufacture, since no effort for curing and no effort for the elimination of any problems curing, such as hardening distortion or cracks must be driven.
  • no effort for curing and no effort for the elimination of any problems curing, such as hardening distortion or cracks must be driven.
  • the cover layer has a self-supporting thin cover plate, which may for example have the shape of a thin sheet.
  • Typical thicknesses of cover plates may range between 3 mm and 8 mm, e.g. at 4 to 5 mm.
  • the cover plate is detachably connected or connectable to the support plate, so that an exchange of the cover plate is easily possible.
  • the cover plate may be connected to the support plate e.g. be braced flat with the help of screws and / or other clamping means. A surface connection by gluing is possible, but the replacement is then usually more expensive.
  • the cover plate in preferred embodiments by means of attacking on the back of the cover plate clamping devices is clamped flat with the support plate.
  • the Cover plate for example, be welded on the back bolts that reach through recesses in the support plate, so that a tension of the composite of the back of the support plate is possible.
  • the cover plate is made entirely of the wear-resistant second material.
  • the cover plate can be formed for example by a suitably designed piece of wear plate, as it is commercially available, for example, under the brand name HARDOX ® .
  • Sufficient wear resistance or abrasion resistance is found to be the case with second materials having a Brinell hardness of at least 350 HBW, the hardness in particular being between 350 HBW and 500-600 HBW.
  • Cover plates which consist entirely of a wear-resistant second material, can be reworked if necessary after a correspondingly long service life by regrinding and continue to be used.
  • a cover plate itself has a multilayer structure.
  • the cover plate has a base plate which has a wear-resistant coating on its upper side (facing away from the carrier plate).
  • the base plate can then consist of a material of lower wear resistance than the coating, for example of unhardened steel.
  • the wear resistant coating in some embodiments, is a cemented carbide coating that may be applied to the base plate, for example, in a flame spraying process.
  • the table top is composed of a plurality of table top segments, each of the table top segments having a carrier plate segment and a cover plate segment mounted thereon.
  • a cover plate segment has a slightly larger surface area than the associated carrier plate segment, so that the cover plate segment projects beyond the carrier plate segment on at least one lateral edge region around a projection. If such table top segments arranged to form a larger table top directly next to each other, then only the mutually facing side edges of adjacent cover plate segments abut each other, while leaving a greater distance between the associated side edges of the underlying support plate segments.
  • the layer structure with the support plate and the cover layer can be supplemented by a further thin plate, which can be used, for example, as a matching plate for leveling after regrinding a wear plate.
  • the further thin plate can, for example, on the side facing away from the cover layer of the support plate be arranged between the support plate and a substructure of the spring support table. It can thereby be achieved that the carrier plate and a cover layer applied thereon, for example in the form of a wear plate, can remain joined together as a related unit and only have to be separated again when the wear plate has to be finally replaced.
  • the entire unit with support plate and cover layer can be removed and reground on a grinding machine. The loss of total thickness can be compensated by inserting a suitable balance plate.
  • the invention also relates to a spring end grinding machine for grinding spring ends of helical compression springs, wherein the spring support table of the spring end grinding machine has a table top of the type described in this application.
  • a vertically constructed spring end grinder 100 which is set up for the dry processing of helical compression springs (also referred to as springs) in the double-side plan grinding process with unstressed springs in the delivery process.
  • the machine is built in single construction with two grinding spindles and two loading plates. It essentially comprises a grinding unit 120, a loading unit 150 and a control unit 125 for controlling controllable components of the loading unit 150 and the grinding unit 120.
  • To the loading unit includes a spring support table 190 with a table top 200, which has a flat surface 202, which is the free surface of the Forming spring table.
  • Table top shown in perspective is composed of seven tabletop segments 210, 220, 230, 240, 250, 260, 270, which adjoin each other along narrow butt joints virtually seamlessly and together form a substantially closed planar surface.
  • the grinding unit 120 has a single grinding wheel pair with two coaxially rotatable grinding wheels 130, 140, between which a grinding space 135 is formed during operation of the machine.
  • the upper grinding wheel 130 is fixed to the lower end of an upper grinding spindle 132, which is mounted with a vertical axis of rotation 134 in the upper part of the support structure of the grinding unit and can be driven by an upper motor 136.
  • the lower grinding wheel 140 is supported by a lower grinding spindle 142 rotatably mounted in the lower part of the support structure, which can be rotated by a lower motor 146 about a vertical axis of rotation 144 which is coaxial with the axis of rotation 134 of the upper grinding spindle.
  • the height-variable grinding space is bounded upward by the side surface 131 of the upper grinding wheel 130 substantially perpendicular to the rotation axis 134 and the lower grinding wheel side surface 141 oriented substantially perpendicular to the lower rotation axis 144.
  • This abrasive side surface 141 that is the upper side of the lower grinding wheel, should preferably be at the same height as the free surface 202 of the spring loading table 200.
  • the upper functional unit with upper grinding spindle 132 and motor 136 is height-adjustable for adaptation to different spring lengths.
  • the lower grinding spindle can be moved vertically.
  • the upper grinding spindle 132 can be delivered by movement parallel to the spindle axis 134 in the direction of the lower grinding wheel, wherein the feed rate or the delivery speed profile can be predetermined by the control unit 125.
  • the loading unit 150 which is arranged directly next to the grinding unit 120, has two loading plates 160, 170, which can rotate indefinitely with the grinding wheels and are jointly supported by a turntable 180, which can be rotated indefinitely by a motor about a vertical axis of rotation 182.
  • the turntable 180 is a movable part of the spring support table 190.
  • a total circular table top of the turntable is composed of two semicircular table top segments 210, 220. These form a rotatable inner region of the table top of the spring support table 200.
  • the outer table top segments 230 to 270 form a ring around this rotatable inner region and are fixedly mounted on a horizontal plate 192 of a substructure of the spring support table.
  • At the grinding wheels 130, 140 side facing the table top 200 has a circular arc-shaped recess 215, which is adapted to the outer edge of the lower grinding wheel 130 of the grinding unit so that between the table top 200 and the closest to the grinding wheels arranged table top segments 230, 240th and the radial edge of the lower grinding wheel 130 remains only a narrow arcuate space.
  • the first loading plate 160 is supported by a first loading plate shaft 162, which is mounted with vertical axis of rotation 164 on the turntable.
  • the first loading plate is located in Fig. 1 and Fig. 2 in its working position with partial engagement in the grinding room.
  • the second loading plate 170 is supported by a second loading plate shaft 172 which is rotatable about a vertical axis of rotation 174.
  • the axes of rotation of the loading plates are at equal radial distances from the axis of rotation 182 of the turntable at diametrically opposite positions.
  • the second loading plate is in its loading position, which allows a mechanical or manual loading and unloading of the spring retainers.
  • the loading plates are each easily interchangeable to set up the machine for different spring geometries.
  • Each loading plate has a plurality of off-axis to its axis of rotation arranged spring receivers 166, each to receive a single helical compression spring for processing.
  • Helical compression springs generally have a cylindrical shape, other shapes such as tapered shapes, convex or concave double-cone shapes or cylindrical shapes with tapered spring ends are possible.
  • Spring housings can be used with and without spring boxes.
  • One-storey or multi-level loading plates can be used.
  • the loading plates are one-story and have spring receptacles in three different radial distances from the axis of rotation of the loading plate.
  • the spring mounts are arranged in three concentric rings or rows around the axis of rotation (see. Fig. 2 ).
  • the first loading plate 160 is in its working position with partial engagement in the grinding space, while the second loading plate 170 is in the loading position.
  • the working position the axial distance between the center of rotation of the grinding wheels, ie their axes of rotation, and the axis of rotation 164 of the loading plate is dimensioned so that all spring retainers upon rotation of the loading plate about its axis of rotation on a circular arc slideway or track through the grinding space between the rotating Grinding wheels are transported.
  • the two opposite spring ends of the helical compression springs located in the grinding space are each simultaneously ground by the side surfaces of the grinding wheels coming into contact therewith.
  • the achievable removal rate is essentially determined by the position of the track of the individual helical compression springs in the grinding space, by the grinding speed, the loading plate speed and the grinding pressure generated at the respective machined surfaces.
  • the helical compression springs run in continuation of the grinding path on an arcuate spring track over the spring support table 200 and are based on the upper side 202 of the table top of the spring support table.
  • the lower spring ends rub under the weight of the springs on the table surface.
  • a certain material removal by the frictional stress is unavoidable, so that in the course of the useful life, especially along the circular-arc spring tracks in the workstation, ie on the table plate segments 230 and 240 of the spring inlet and the spring outlet results in abrasive wear on the table surface.
  • the negative consequences of this wear are mitigated in embodiments of the invention by a special layer structure or a layer structure of the table top 200 and the associated table top segments 210 to 270.
  • the tabletop or its tabletop segments are constructed in sandwich construction. This is especially good in Fig. 4 to recognize which a vertical section along the section line IV-IV in Fig. 2 shows.
  • the substructure of the spring support table closes upwards with a fixed, horizontal, solid plate 192, which rests on vertical wall elements of the substructure.
  • This horizontal plate carries in the illustrated area the ring segment-shaped Tabletop segment 270, which is part of the fixed outer ring of the spring support table.
  • the tabletop segment 270 has a solid support plate 272 made of unhardened steel material whose thickness is several centimeters.
  • a cover plate 274 which is thin in comparison to the support plate is stretched flat with a thickness of a few millimeters, so that the support plate and the cover plate form a solid, flat composite.
  • Under the support plate 272 may be a further thin fitting plate 278, which compensates for the regrinding of the cover plate or wear plate 274 with the appropriate thickness removed at the wear plate during regrinding measure. In other embodiments, such a plate may be missing.
  • the cover plate can be replaced relatively easily.
  • To clamp the cover plate releasably on the support plate projecting at the back of the cover plate at suitable positions of the back threaded studs 276 are welded, which engage in the correct position applied cover plate by stepped through holes in the support plate.
  • For flat clamping of the cover plate with the support plate hex nuts 279 are screwed onto the protruding threaded bolt sections and tightened from the back of the support plate.
  • an easily removable at any time, solid surface conditions between the support plate and cover plate is created.
  • the attachment of the welding studs on the back of the cover plate ensures that the opposite side of the cover plate, which forms the free surface 202 of the table top, can remain intact and free of openings.
  • the strained composite of support plate and cover plate is then screwed by means of clamping screws 194 on the plate 190 of the substructure, wherein the clamping screws through the plate 190 through threaded holes in the back of the support plate engage.
  • a corresponding sandwich structure or layer structure with clamping device and exchangeable cover plate segment is provided in all tabletop segments of the table top.
  • the carrier plate or the carrier plate segment 272 is made of relatively soft, unhardened structural steel. This material is available at low cost and can be precisely machined without any special effort.
  • the thin cover plate 274 consists of a suitably cut by means of laser cutting or water jet cutting piece of a wear plate made of a hardened steel material having a Brinell hardness of about 400 HBW. Suitable wear plates are commercially available for example under the trademark HARDOX ®. Such wear plates get their extraordinary hardness by quenching in a water bath, so that despite a low content of alloying materials, a high hardness and an associated wear resistance can be achieved. At the same time weldability is given, so that the clamping bolt 276 can be reliably attached to the back by welding.
  • all table top segments 210-270 have the same layer structure or the same sandwich construction with self-supporting, and if necessary easily replaceable, wear-resistant cover plates which completely cover the underlying support plates.
  • FIG. 5 shows the tabletop segment 230, which on its side facing the lower grinding wheel has a part 215 'of the circular arc-shaped recess 215 for adaptation to the outer grinding wheel contour. Opposite, a rectilinear side edge 236 is cut, which should abut directly on a correspondingly rectilinear side edge 256 of the cover plate 254 of the adjacent table top segment 250 when the table top is assembled.
  • Fig. 5 visible inner, concavely curved, arcuate edge is directly adjacent to the inner rotatable part of the table top, formed by the table top segments 210 and 220 in assembled table top.
  • the solid support plate 232 arranged below the wear-resistant cover plate 234 is kept somewhat smaller on all sides than the cover plate 234 resting thereon, so that the cover plate or the cover plate segment protrudes laterally by a slight projection (typically at most 1 to 2 mm beyond the underlying side edge of the support plate Also, the adjacent cover plate 254 protrudes slightly beyond the support plate segment 252. Due to the relatively small thickness of the cover plate material, when cutting the cover plate segment by laser processing or water jet cutting, for example, the desired side edge can be produced with high accuracy fit accurately that in the area of the resulting butt joints 255 (see. Fig. 6 ) Gap widths at most in the order of 100 microns, so that the table surface 202 acts substantially uninterrupted.
  • a removable from the support plate cover plate is also provided.
  • this is not consistently made of a wear-resistant second material, but has itself a layer structure by on a base plate, which does not have to consist of a wear-resistant material, and, for. may consist of unhardened steel, a wear-resistant coating, for example by flame spraying is applied. It may be, for example, a hard metal coating.
  • only the tabletop segments particularly affected by wear in the inlet region and outlet region of the springs ie those tabletop segments that correspond to the segments 230 and 240, provided with a wear-resistant cover layer, possibly also the tabletop segments that close the turntable upwards.
  • the variant with carbide coating offers a significantly increased wear resistance compared to conventional table tops.
  • Coated tabletops or tabletop segments may also be sandwiched or solid construction.
  • the base material of the support plate or a base plate which is then coated with cemented carbide or another wear-resistant material, itself does not have to be cured.
  • a coating can take place over the whole table top segment or over the entire tabletop or only partially in the transition area the incoming and / or outgoing springs are performed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
EP13181778.5A 2012-08-30 2013-08-27 Plaque de table pour table à butée de ressort d'une rectifieuse pour ressorts et rectifieuse à ressorts dotée de celle-ci Not-in-force EP2708324B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202012008409U DE202012008409U1 (de) 2012-08-30 2012-08-30 Tischplatte für Federauflagetisch einer Federendenschleifmaschine sowie Federendenschleifmaschine damit

Publications (2)

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EP2708324A1 true EP2708324A1 (fr) 2014-03-19
EP2708324B1 EP2708324B1 (fr) 2016-05-04

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3061565A1 (fr) 2015-02-24 2016-08-31 OFFICINA MECCANICA DOMASO S.p.A. Dispositif d'ajustement pour une meuleuse
CN106312716A (zh) * 2016-01-29 2017-01-11 温州职业技术学院 带自动上下料装置的磨簧机
CN106425722A (zh) * 2016-11-15 2017-02-22 卡塔罗精密部件（苏州）有限公司 磨簧机上用于固定弹簧的磨盘
CN108247533A (zh) * 2018-03-05 2018-07-06 杭州三立电炉有限公司 一种数控弹簧双端面双料盘磨床换盘系统
CN108608267A (zh) * 2016-12-10 2018-10-02 浙江之江机械有限公司 电机多导轨稳定的磨簧机
CN109434571A (zh) * 2018-11-29 2019-03-08 臧晨晨 一种板材表面处理工艺
CN109531310A (zh) * 2018-11-29 2019-03-29 臧晨晨 一种板材表面处理装置
CN112720286A (zh) * 2020-12-23 2021-04-30 朱景润 一种亚克力挤出板定位装置

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US9017141B2 (en) * 2013-01-04 2015-04-28 White Drive Products, Inc. Deburring machine and method for deburring
CN109176195B (zh) * 2018-09-25 2023-12-15 杭州恒立弹簧制造有限公司 一种高效的磨簧机
CN111251116B (zh) * 2020-03-23 2020-10-30 山东超福钻石饰品股份有限公司 一种方便携带并适用于不同直径的圆边打磨设备
CN112917365A (zh) * 2021-02-21 2021-06-08 张涛 一种对金属组织表面进行金相显微分析的抛光装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE883414C (de) 1943-04-03 1953-07-16 Karl Hack Federauflagetisch fuer Federendenschleifmaschinen
DE1533198A1 (de) * 1965-02-03 1970-03-19 Canada Iron Foundries Ltd Zusammengesetztes,stoss- und abriebfestes Material
US6135855A (en) * 1998-07-30 2000-10-24 Motorola, Inc. Translation mechanism for a chemical mechanical planarization system and method therefor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE883414C (de) 1943-04-03 1953-07-16 Karl Hack Federauflagetisch fuer Federendenschleifmaschinen
DE1533198A1 (de) * 1965-02-03 1970-03-19 Canada Iron Foundries Ltd Zusammengesetztes,stoss- und abriebfestes Material
US6135855A (en) * 1998-07-30 2000-10-24 Motorola, Inc. Translation mechanism for a chemical mechanical planarization system and method therefor

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3061565A1 (fr) 2015-02-24 2016-08-31 OFFICINA MECCANICA DOMASO S.p.A. Dispositif d'ajustement pour une meuleuse
CN106312716A (zh) * 2016-01-29 2017-01-11 温州职业技术学院 带自动上下料装置的磨簧机
CN106425722A (zh) * 2016-11-15 2017-02-22 卡塔罗精密部件（苏州）有限公司 磨簧机上用于固定弹簧的磨盘
CN108608267A (zh) * 2016-12-10 2018-10-02 浙江之江机械有限公司 电机多导轨稳定的磨簧机
CN108247533A (zh) * 2018-03-05 2018-07-06 杭州三立电炉有限公司 一种数控弹簧双端面双料盘磨床换盘系统
CN108247533B (zh) * 2018-03-05 2019-09-06 杭州三立电炉有限公司 一种数控弹簧双端面双料盘磨床换盘系统
CN109434571A (zh) * 2018-11-29 2019-03-08 臧晨晨 一种板材表面处理工艺
CN109531310A (zh) * 2018-11-29 2019-03-29 臧晨晨 一种板材表面处理装置
CN112720286A (zh) * 2020-12-23 2021-04-30 朱景润 一种亚克力挤出板定位装置

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DE202012008409U1 (de) 2012-09-28

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