EP0816031A1 - Dispositif pour le meulage de deux faces opposées de blocs de pierre - Google Patents

Dispositif pour le meulage de deux faces opposées de blocs de pierre Download PDF

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Publication number
EP0816031A1
EP0816031A1 EP97110741A EP97110741A EP0816031A1 EP 0816031 A1 EP0816031 A1 EP 0816031A1 EP 97110741 A EP97110741 A EP 97110741A EP 97110741 A EP97110741 A EP 97110741A EP 0816031 A1 EP0816031 A1 EP 0816031A1
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EP
European Patent Office
Prior art keywords
stones
transport
elements
hold
transport elements
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.)
Withdrawn
Application number
EP97110741A
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German (de)
English (en)
Inventor
Paul Wassmer
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.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0816031A1 publication Critical patent/EP0816031A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/08—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads
    • 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
    • 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
    • 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
    • B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
    • B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/08—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads
    • B28B11/0845—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads for smoothing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/12—Apparatus or processes for treating or working the shaped or preshaped articles for removing parts of the articles by cutting

Definitions

  • the invention relates to a device for grinding on both sides of stones or artificial stones, in particular of bricks or Stone blanks, i.e. also unfired stones, or of refractory Stones or the like, in particular ceramic components especially with plane-parallel side surfaces, with an as horizontal endless conveyor trained means of transport on the the stones during their processing - parallel to theirs grinding side surfaces - arranged and movable forward are, with a hold-down for Press the stones on the means of transport and to fix them during the feed movement and processing and on both sides of the means of transport and the transport path of the stones, grinding tools, in particular grinding wheels are arranged on which the stones can be moved past during processing.
  • Such a device or machine is from DE-OS 20 08 265 known. This makes it possible to use stones of the same width Continuous flow system on two parallel side surfaces simultaneously grind and bring it to an exact size.
  • a conveyor belt is used as a means of transport over its longitudinal edges the blank to be machined protrudes slightly from the side.
  • Grinding wheels serve so-called cut-off wheels, in which the grinding surface is arranged at right angles to the axis of rotation.
  • the hold-downs are the stones or stone blanks to be processed pressed on this conveyor belt, so that the feed despite of the resistance emanating from the grinding tools is possible.
  • the device mentioned characterized in that as a means of transport for the feed at least two spaced parallel, synchronous movable narrow transport element for taking up their distance bridging stones are provided that these transport elements are supported in their supporting area and that they are a Have side guides to prevent lateral deflections.
  • the use of two according to the invention enables transport elements arranged parallel to each other, each and also together a smaller width than the one to be processed Stone have a particularly advantageous design option of the invention, which is that the distance between the two parallel transport elements to each other and the distance of the Grinding tools are adjustable.
  • a simple design option is that to change the distance of at least one of the transport elements and a grinding tool adjacent to or associated therewith are adjustable to the feed direction. So it can vary One of the two parallel transport elements is sufficient together with the associated grinding tool or tools to adjust the distance between the transport elements and adapt and change the grinding tools as necessary.
  • a longitudinal median plane located between them is preferred each by the same amount transversely to the feed direction from each other way and towards each other, in particular mirror-symmetrical, adjustable are.
  • This can be achieved that the grinding tools from the longitudinal center plane together with the transport elements in each case can be adjusted sideways to different stone dimensions to consider.
  • the grinding tools from the longitudinal median plane and thus the In the middle of the stone to be worked the same adjustable Have a distance, so that the grinding and processing of the two parallel side faces of such a stone to one the longitudinal median plane leads to symmetrical shape and dimensions.
  • the advantage remains that a crown the bottom of each workpiece does not become an unstable Edition leads because the transport elements are adjusted in this way that the crowned area of the workpiece is arranged essentially between them.
  • the transport elements each have two Deflection rollers or rollers guided and at least one of these Deflection rollers are driven conveyor chains that run on their rotating Outside in particular with an elastic pad if necessary surface profiling to increase friction the stone on top.
  • a conveyor chain can be proportionate be narrow and still have relatively high weight take over, so that conveyor chains are particularly well suited as two parallel transport elements to the stones to be ground reach under and carry.
  • they allow precise Movement and easy support using rails when the conveyor chains are roller chains. If you have an elastic pad if necessary with surface profiling, the each stone transported was not only guided exactly, but through the hold-down also set so that no grinding Slip against the feed movement occurs.
  • the groove-shaped longitudinal guides for the Webs arranged on the inside of the conveyor chain provide a lining for Have example made of plastic.
  • a particularly useful constructive implementation of the invention can consist of two side by side on a machine bed arranged stands are provided, each one of the Transport elements and a grinding tool carries, and that this Stand for changing the distance transverse to the feed direction relative to each other, for example, via a spindle drive or the like are adjustable on guides of the machine bed.
  • the corresponding adjustment movements take place exactly at right angles to the feed direction.
  • the Hold-down device made of two parallel hold-down elements or Printing parts is formed, which is an endless belt in the feed direction with its lower run at the top of one or more revolve processing stones at feed speed.
  • a hold-down could cause problems if the two Stand can be adjusted in distance because of the hold-down device expediently would have to remain on one of the stands so that then he may no longer attack exactly in the middle and thus its pressure force no longer evenly on both transport elements would transfer.
  • Two parallel hold-down elements now enable their effect on the two transport elements to transfer, resulting in an exact clamping of the passing stone during its passage.
  • vertically above one Transport element a hold-down element is arranged. The for Define the compressive force of the respective hold-down element is then directly vertically from top to bottom in the Transport element initiated.
  • the elastic, flexible intermediate layer can be foam rubber, a compressed air hose, springs or the like.
  • the two hold-down elements can each in the vertical direction individually resiliently supported against a restoring force. Thereby is an even better adjustment to the irregularities of the processing stones possible.
  • the driven deflection rollers for the hold-down elements can be coupled with one another via a cardan shaft and one have a common drive motor.
  • the cardan shaft allows something different height arrangements of the two hold-down elements depending on the dimensions of the stones to be machined without a synchronous drive of both hold-down elements with the help of a single drive motor must be dispensed with.
  • a sliding sleeve expedient with which the lateral adjustment of the two hold-down elements when changing the distance between the grinding wheels can be carried out.
  • the two separate stands can face a longitudinal median plane of the entire device or machine in stages or continuously be adjustable. An adjustment in stages is then sufficient when workpieces of different widths are processed one after the other should be and these widths and thus the adjustable distances are specified.
  • a stepless adjustability allows one Adaptation to any dimensions of stones to be processed regardless of any given dimensions, including that Processing of special sizes.
  • the transport elements can each be double roller chains, the one in the processing and transport area Guide rail run, with the respective upper contact surfaces the transport elements can be arranged at the same height. This means that the load-bearing capacity can also be maintained for large stones at the same time several arranged one behind the other in the feed direction Stones are raised.
  • An expedient embodiment of the invention can consist in that the transport elements are designed as cam chains those on the outside in particular at equal intervals and on protrude the same height cams, so that the cross of the cams back of a stone acted on in the direction of advance is arranged at right angles to the feed direction. In this way It is possible to machine workpieces with two or three sides must be perpendicular to each other or where the width exceeds the pass length.
  • cams for adjusting the Angularity adjustable in the longitudinal direction of the transport elements are.
  • inaccuracies in the transport elements and / or the stones are balanced so that the stones with the to grinding surfaces exactly at an angle to that on the cams supported surface are arranged.
  • cams are in two parts are formed and their upper part relative to that with the chain connected holding part is adjustable in the feed direction.
  • the Attachment of the cam to the chain can then remain unchanged remain and yet the effective surface of the cam with which this can strikes a stone, in the feed direction and in the opposite direction are adjusted and adjusted.
  • the device according to the invention can not only with a pair of two facing grinding wheels work, but in Feed direction one behind the other can also be several Grinding tools and grinding wheels each arranged in pairs be, so that then the first pair of grinding wheels in the feed direction does a pre-grinding while with the next pair of grinding wheels an even stronger grinding can be carried out can.
  • Such a gradual grinding in the feed direction is especially advantageous when there is a large amount of grinding to be performed with a single grinding operation cannot be achieved in one pass.
  • a device or machine designated as a whole with 1 serves for simultaneous grinding of parallel side surfaces on both sides of stones 2, which are also artificial stones or bricks or Stone blanks, for example unfired bricks, can be.
  • This device 1 has a horizontal endless conveyor trained means of transport to be described in more detail below, on which the stones 2 with their underside during their Machining are arranged and supported and by means of which they in the feed direction indicated by the arrow Pf1 can be moved forward by the device 1.
  • a hold-down device designated as a whole by 3 to press the stones 2 on the means of transport and to fix them provided during the feed movement and processing and on both sides of the means of transport and the route of the stones 2 are grinding tools, in the exemplary embodiment grinding wheels 4 arranged with their drive motors 5, on which the Stones 2 can be moved during their processing, the Grinding wheels 4 then the parallel side surfaces to be machined the stones 2 act and by a required amount remove.
  • these are grinding wheels, the one with its rotating, perpendicular to the drive axle Arrange arranged surfaces and face each other as a pair are arranged.
  • the transport elements 6 are in each case over two Deflection rollers or rollers 12 guided and at least one of these Conveyor chains driven by deflection rollers, in particular roller chains, which enable very precise feed and transport and allow a high load at the same time.
  • They also have their an elastic support 13 all around the outside (see Fig. 8a), which, if necessary, also with a profiling of its surface to further increase the friction compared to the stones on top Can have 2.
  • the transport elements 6 or conveyor chains can already be for your mentioned lateral guide to prevent lateral deflections according to 8a, 10 and 12 on their inside protruding projections,
  • Have tabs or webs 14, at least in the by one Guide rail 15 supported support area on the upper run of the Transport elements 6 are guided laterally, for example in a engage groove-shaped longitudinal guide of these guide rails 15, such as it is indicated in Fig. 6 and 8a.
  • the Guide rail 15 have a U-shaped cross section, so that the Tabs or webs 14 from above between the U-legs such guide rail 15 can engage while the edges the U-leg is the conveyor chain designed as a roller chain support.
  • the groove-shaped longitudinal guides can be used for the webs 14 arranged on the inside of the conveyor chain 6 a Lining 15a, for example, made of plastic to avoid vibrations to dampen during grinding, which also includes already mentioned edition 13 can contribute.
  • the hold-down device 3 consists of two parallel ones Hold-down elements 16 is formed, each as an endless belt or chain in the feed direction with its lower strand on the top one or more stones 2 to be machined with feed rate and revolve in the feed direction.
  • the pressing force is chosen large enough to prevent slippage due to the To prevent grinding resistance.
  • FIGS. 7 and 8 illustrate that the hold-down elements 6 are designed as endless chains, whereby this endless circulation with upper run and lower run is also shown in Fig. 1 and 9 recognizes.
  • the lower run presses on the top of the or the stones 2 and has according to Fig.8 on the inside resilient intermediate layer 18, which in the embodiment between a pressure bar 19 which applies the hold-down force and a slide 20 which acts directly on the chain Plastic is arranged. It makes sense that because of this Arrangement in the longitudinal direction of the hold-down elements 16 this can yield in areas, so that they can, for example small difference in height between successive stones 2 can easily compensate, so despite different heights Stones hold them all down with sufficient pressure can.
  • the two hold-down elements 16 individually against one another in the vertical direction Restoring force are resiliently stored to also irregularities to balance the stones themselves. That is why they are driven Deflection rollers 21 for the hold-down elements 16 according to FIG a double joint or propeller shaft 22 coupled together, so that they can still have a common drive motor. By a sliding bush 23 is still the relative adjustment to each other possible.
  • the two separate stands 8 can be compared to the Machine bed 7 and a longitudinal median plane in steps or continuously be adjustable.
  • the transport elements 6 can be double roller chains, each one accordingly higher load and still precise cornering allow because the tabs or webs 14 each between the two Link rows can protrude down, being in the embodiment such a guide bar only on every second chain link 14 protrudes downwards.
  • These double roller chains run each on the already mentioned guide rail 15, the according to FIG each upper contact surfaces of the transport elements 6 on the same Height are arranged so that the stone 2 on the side surfaces exactly is grinded vertically.
  • Fig. 10 to 12 still shows an embodiment in that the transport elements 6 simultaneously as Cam chains can be formed on the outside project cams 24 at equal distances and at the same height.
  • a stone 2 can also be placed so that its largest Dimension arranged transversely to the feed direction according to arrow Pf1 is, so that the end faces are ground plane-parallel can be edited before or after the longer side surfaces will.
  • the cams 24 can be used to adjust the angularity between these surfaces arranged at right angles to each other adjustable and adjustable in the longitudinal direction of the transport elements 6 be. A possible way of doing this is shown in Fig.12 shown.
  • the cams 24 are formed in two parts and have a holding part 24a connected to the transport element, relative to which an upper part 24b in the feed direction or opposite is adjustable and fixable. This top 24b forms the stop on the stone 2 in the use position.
  • the device 1 is used to grind parallel surfaces on stones 2, which can also be blanks like unfired bricks.
  • she For this purpose has two grinding wheels 4, their transverse to their axes of rotation arranged effective grinding surfaces in the use position vertically and are arranged on both sides of the feed path of the stones 2.
  • Of the Feed is effected with endlessly rotating transport elements 6, which have a distance from each other, so that on the support side of the Stone irregularities do not cause them to tip over Lead stones.
  • Hold-down elements 16 are in the same way intended. This also enables the distance to be adjusted the transport elements 6 and the grinding wheels 4, so that a Adaptation of the device 1 to different sized stones or to the different dimensions, the cuboid stones have, is easily possible.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
EP97110741A 1996-07-05 1997-07-01 Dispositif pour le meulage de deux faces opposées de blocs de pierre Withdrawn EP0816031A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19627148 1996-07-05
DE1996127148 DE19627148C1 (de) 1996-07-05 1996-07-05 Vorrichtung zum beidseitigen Beschleifen von Steinen

Publications (1)

Publication Number Publication Date
EP0816031A1 true EP0816031A1 (fr) 1998-01-07

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EP97110741A Withdrawn EP0816031A1 (fr) 1996-07-05 1997-07-01 Dispositif pour le meulage de deux faces opposées de blocs de pierre

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DE (1) DE19627148C1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1074363A2 (fr) * 1999-08-05 2001-02-07 RECORD S.p.A. Pavé autobloquant et procédé pour sa fabrication
FR2884747A1 (fr) * 2005-04-20 2006-10-27 Rech S Et Realisations Remy Sa Rectifieuse d'eprouvettes cylindriques, notamment en beton
FR2885834A1 (fr) * 2005-05-19 2006-11-24 Quadra 1 Soc Par Actions Simpl Dispositif d'usinage d'elements de construction
WO2006136009A1 (fr) * 2005-06-02 2006-12-28 Rinox Inc. Procede et appareil pour modifier la texture de surface d'un bloc avant sa polymerisation
US7281537B2 (en) 2005-06-02 2007-10-16 Rinox Inc. Multi-station block-texture modifying system and block-spacer
US8075297B2 (en) 2005-06-02 2011-12-13 Rinox Inc. Method and apparatus for artificially aging pre-cast blocks
CN113400117A (zh) * 2021-08-17 2021-09-17 南通丰利激光机械有限公司 一种五金板材打磨系统
CN114178943A (zh) * 2022-01-18 2022-03-15 葛成荣 一种机械制造用工件打磨装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004057337B3 (de) * 2004-11-27 2006-04-27 Wassmer, Paul Maschine zum Beschleifen von keramischen oder zementgebundenen Werkstücken
DE102004057336B3 (de) * 2004-11-27 2006-01-05 Wassmer, Paul Maschine zum trockenen Schleifen von keramischen oder zementgebundenen Werkstücken

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB505891A (en) * 1937-10-13 1939-05-15 F E Rowland And Company Ltd Improvements in and relating to grinding, polishing and like machines
DE1427776A1 (de) * 1962-08-10 1969-05-08 Eelko Voorden Van Maschine zum Schneiden von Bloecken,Ziegelsteinen,Quadern u.dgl.
US3741193A (en) * 1968-04-08 1973-06-26 Sueur J Le Slate trimming machine
FR2370565A1 (fr) * 1976-11-15 1978-06-09 Perrier Ste Agathe Reunis Tuil Procede et dispositif de finissage d'elements de construction en terre cuite
AT400828B (de) * 1993-12-30 1996-03-25 Kamas Maschinen Und Stahlbau G Verfahren und anlage zur herstellung keramischer ziegel mit hoher massgenauigkeit
WO1996011083A1 (fr) * 1994-10-11 1996-04-18 Keller Gmbh Procede et dispositif d'aplanissement lateral
DE29611728U1 (de) * 1996-07-05 1996-09-05 Wassmer, Paul, 79423 Heitersheim Vorrichtung zum beidseitigen Beschleifen von Steinen
DE29613831U1 (de) * 1996-08-09 1996-09-19 Wassmer, Paul, 79423 Heitersheim Vorrichtung zum beidseitigen Beschleifen mit einer Ausrichtvorrichtung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT291837B (de) * 1969-02-24 1971-07-26 Wienerberger Baustoffind Ag Verfahren zur Herstellung maßgenauer, grobkeramischer Produkte, insbesondere Hohlziegel
DD238562A1 (de) * 1985-06-25 1986-08-27 Schwerin Hydraulik Universalwerkstueckspeicher

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB505891A (en) * 1937-10-13 1939-05-15 F E Rowland And Company Ltd Improvements in and relating to grinding, polishing and like machines
DE1427776A1 (de) * 1962-08-10 1969-05-08 Eelko Voorden Van Maschine zum Schneiden von Bloecken,Ziegelsteinen,Quadern u.dgl.
US3741193A (en) * 1968-04-08 1973-06-26 Sueur J Le Slate trimming machine
FR2370565A1 (fr) * 1976-11-15 1978-06-09 Perrier Ste Agathe Reunis Tuil Procede et dispositif de finissage d'elements de construction en terre cuite
AT400828B (de) * 1993-12-30 1996-03-25 Kamas Maschinen Und Stahlbau G Verfahren und anlage zur herstellung keramischer ziegel mit hoher massgenauigkeit
WO1996011083A1 (fr) * 1994-10-11 1996-04-18 Keller Gmbh Procede et dispositif d'aplanissement lateral
DE29611728U1 (de) * 1996-07-05 1996-09-05 Wassmer, Paul, 79423 Heitersheim Vorrichtung zum beidseitigen Beschleifen von Steinen
DE29613831U1 (de) * 1996-08-09 1996-09-19 Wassmer, Paul, 79423 Heitersheim Vorrichtung zum beidseitigen Beschleifen mit einer Ausrichtvorrichtung

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1074363A2 (fr) * 1999-08-05 2001-02-07 RECORD S.p.A. Pavé autobloquant et procédé pour sa fabrication
EP1074363A3 (fr) * 1999-08-05 2003-01-02 RECORD S.p.A. Pavé autobloquant et procédé pour sa fabrication
FR2884747A1 (fr) * 2005-04-20 2006-10-27 Rech S Et Realisations Remy Sa Rectifieuse d'eprouvettes cylindriques, notamment en beton
ES2326570A1 (es) * 2005-04-20 2009-10-14 Recherches Et Realisations Remy Rectificadora de probetas cilindricas, en particular de hormigon.
FR2885834A1 (fr) * 2005-05-19 2006-11-24 Quadra 1 Soc Par Actions Simpl Dispositif d'usinage d'elements de construction
WO2006136009A1 (fr) * 2005-06-02 2006-12-28 Rinox Inc. Procede et appareil pour modifier la texture de surface d'un bloc avant sa polymerisation
US7281537B2 (en) 2005-06-02 2007-10-16 Rinox Inc. Multi-station block-texture modifying system and block-spacer
US8075297B2 (en) 2005-06-02 2011-12-13 Rinox Inc. Method and apparatus for artificially aging pre-cast blocks
US9259854B2 (en) 2005-06-02 2016-02-16 Rinox Inc. Apparatus for artificially aging pre-cast blocks
CN113400117A (zh) * 2021-08-17 2021-09-17 南通丰利激光机械有限公司 一种五金板材打磨系统
CN113400117B (zh) * 2021-08-17 2021-11-23 南通丰利激光机械有限公司 一种五金板材打磨系统
CN114178943A (zh) * 2022-01-18 2022-03-15 葛成荣 一种机械制造用工件打磨装置

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Publication number Publication date
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