{"id":6808,"date":"2023-08-24T15:40:08","date_gmt":"2023-08-24T19:40:08","guid":{"rendered":"https:\/\/mecfab.com\/achievements\/machine-components\/fourdrinier\/"},"modified":"2023-08-30T14:56:16","modified_gmt":"2023-08-30T18:56:16","slug":"fourdrinier","status":"publish","type":"page","link":"https:\/\/mecfab.com\/en\/achievements\/machine-components\/fourdrinier\/","title":{"rendered":"Fourdrinier"},"content":{"rendered":"

Deckle arrangements<\/h2><\/div>
<\/div><\/div>

Deckles are fixed solid strips located on top of and inside the side edges of the paper machine wet-end wire. They are used to prevent the spill of fibers over the sides and determine the width of the web of paper that can be run on a particular machine.<\/p>\n

For a new fourdrinier or to recondition an existing one, Mecfab can supply, fabricate and machine any required deckle arrangements. We can supply deckles as per customer drawings or of our own design. Our standard deckle arrangements are made of high density polyethylene (HDPE) but we can also supply them in other material types, such as Robadur, Solitron or UHMW.<\/p>\n<\/div>

<\/span><\/div><\/div><\/div><\/div><\/div><\/div>

Framing<\/h2><\/div>
<\/div><\/div>

The frame is the supporting structure of a paper machine. We supply framing sections with a new fourdrinier or modify existing ones as required.<\/p>\n

Our framing structures are made of mild steel. Cross members can be made in solid S\/S or cladded in 316L S\/S.<\/p>\n<\/div>

<\/span><\/div><\/div><\/div><\/div><\/div><\/div>

Extension<\/h2><\/div>
<\/div><\/div>

We can help you recondition your existing fourdrinier at a lower cost than by purchasing a new one. We can design, fabricate and install extensions to your actual machine and re-locate your existing rolls. Our fourdrinier extension assemblies include :<\/p>\n

    \n
  • Main beam extensions of solid 316L stainless steel or carbon steel with 316L S\/S cladding<\/li>\n
  • Double wall savealls (for heated savealls)<\/li>\n
  • Saveall supports also in 316L<\/li>\n
  • Related hardware<\/li>\n<\/ul>\n<\/div>
    <\/span><\/div><\/div><\/div><\/div><\/div><\/div>

    Guide<\/h2><\/div>
    <\/div><\/div>

    A guide is a mechanism (air or manually operated) either floor or machine mounted to which the bearing housing on one end of a wire roll is attached. By effectively pivoting this roll, in the machine direction, around the non guide mounted bearing housing, proper tracking of the fourndrinier wire can be achieved.<\/p>\n

    Mecfab Inc. offers a wide variety of manual or automatic guides that will meet your specifications, with the required accessories and installation components. We offer the following guides and accessories:<\/p>\n

    Types of materials:<\/p>\n

      \n
    • Solid Stainless Steel 316L<\/li>\n
    • Cast Iron<\/li>\n<\/ul>\n

      Manufacturers options:<\/p>\n

        \n
      • Gilbert & Nash Co. Inc.<\/li>\n
      • Jud Corp.<\/li>\n
      • Kan-Eng Ind.<\/li>\n
      • Voith Paper – Thune auto guide<\/li>\n<\/ul>\n<\/div>
        <\/span><\/div><\/div><\/div><\/div><\/div><\/div>

        Soleplates<\/h2><\/div>
        <\/div><\/div>

        For a new fourdrinier or to recondition an existing one, Mecfab can supply, fabricate and machine any required soleplates as per your specifications. Our standard soleplates are made of mild steel and can be supplied with levelling screws and jacking plates.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div>

        Saveall Pans<\/h2><\/div>
        <\/div><\/div>

        For a new fourdrinier or to recondition an existing one, Mecfab can supply, fabricate and machine any required saveall pans. We can supply them as per your drawings or take the dimensions ourselves and perform the engineering.<\/p>\n

        Our standard saveall pans are made of solid stainless steel and can be supplied in any design or size. All our tray systems are prefitted in our plant and shipped in mimum knocked-down condition to minimize installation time at mill.<\/p>\n<\/div>

        <\/span><\/div><\/div><\/div><\/div><\/div><\/div>

        Breast Roll<\/h2><\/div>
        <\/div><\/div>

        Our standard breast roll swing arm arrangement for fourdriniers includes:<\/p>\n

          \n
        • Arms of solid Stainless Steel 316L<\/li>\n
        • New bearing housings in S\/S 316L<\/li>\n
        • New scotchply for shake<\/li>\n
        • New brackets for forming board<\/li>\n
        • Actuator screws with cross shaft, air motor, pivot brackets and handwheel<\/li>\n
        • Arm support posts or bracket attached to the headbox for breast roll lock-up<\/li>\n
        • Pivot brackets with pivot pins in S\/S 316L<\/li>\n<\/ul>\n

          MecFab Inc. can help you choose the best solution for your needs. We can supply the engineering, materials, fabrication and machining for your arrangement. We can also complete your assembly with any of the following parts:<\/p>\n

            \n
          • Breast roll cap & saddle<\/li>\n
          • Jack or doctor mountings<\/li>\n
          • Screw jack clevis bracket<\/li>\n
          • Fourdrinier end insert<\/li>\n
          • Swing arm lock-up<\/li>\n<\/ul>\n<\/div>
            <\/span><\/div><\/div><\/div><\/div><\/div><\/div>

            Wire Roll<\/h2><\/div>
            <\/div><\/div>

            Fourdrinier wet end wire roll, located on the return run of a fourdrinier, whose function is to drive, guide, turn, and apply tension to the wire (forming fabric). These functions are sometimes performed by the couch roll or separate additional solid rolls.<\/p>\n

            The wire drive roll or guide roll may also automatically adjust its angle to maintain alignment of the wire to minimize side-to-side movement and prevent possible damage or runoff.<\/p>\n<\/div>

            <\/span><\/div><\/div><\/div><\/div><\/div><\/div>

            Shake Unit<\/h2><\/div>
            <\/div><\/div>

            The shake mechanism serves to vibrate the wire section to improve the orientation of the fibers during the formation of the paper web. This side-to-side motion of paper machine wires running at slow speeds is caused by oscillating the breast and table rolls on which the fabric is carried to align more fibers in the cross direction and improve sheet formation.<\/p>\n

            Mecfab can help you recondition your existing fourdrinier at a lower cost than by purchasing a new one. We can design, fabricate and install a new shake unit on your existing machine or suggest an alternative method to meet your needs. We also supply custom shake units on new fourdriniers.<\/p>\n<\/div>

            <\/span><\/div><\/div><\/div><\/div><\/div><\/div>

            Felft Stretcher<\/h2><\/div>
            <\/div><\/div>

            Felt stretcher designed for ease of installation and operation. Minimal number of moving parts means low maintenance. A pneumatic clutch allows quick and easy adjustments for roll and felt seam alignment.<\/p>\n

            Product advantages and benefits:<\/p>\n

              \n
            • Standard design customized to customers\\’ requirements<\/li>\n
            • Designed to maintain or increase original stretcher\\’s capacities (i.e. pli, amount of stretch)<\/li>\n
            • Pneumatic clutch assembly for roll alignment and felt seam adjustment<\/li>\n
            • Swing bolts on cap & saddle assemblies for ease of felt and roll change<\/li>\n
            • Horizontal or vertical mounting<\/li>\n
            • Rounded surfaces to avoid damage to felt during draping<\/li>\n
            • Optimum number of bolted connections for ease of installation<\/li>\n
            • Pre-assembled in our shop to ensure proper fit and operation of all components<\/li>\n
            • Shipped in minimum knocked-down condition for ease of installation<\/li>\n
            • Felt Stretcher technical sheet<\/li>\n<\/ul>\n<\/div>
              <\/span><\/div><\/div><\/div><\/div><\/div><\/div>

              Wire Stretcher<\/h2><\/div>
              <\/div><\/div>

              Our wet-end fourdrinier wire stretcher is designed for ease of installation and operation. A minimal number of moving parts means low maintenance, and our wire stretcher’s low profile makes wire draping hazard free.<\/p>\n

              Product advantages and benefits:<\/p>\n

                \n
              • Standard design customized to customer’s requirements<\/li>\n
              • Designed to maintain or increase original stretcher’s capacities (i.e. pli, amount of stretch)<\/li>\n
              • Low profile for ease of wire change<\/li>\n
              • Swing bolts on cap & saddle assemblies for ease of wire and roll change<\/li>\n
              • Soleplate (upright) or fourdrinier frame (inverted) mounting<\/li>\n
              • Rounded surfaces to avoid damage to wire during draping<\/li>\n
              • Optimum number of bolted connections for ease of installation<\/li>\n
              • Pre-assembled in our shop to ensure proper fit and operation of all components<\/li>\n
              • Shipped in minimum knocked-down condition for ease of installation<\/li>\n<\/ul>\n<\/div>
                <\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":6793,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"100-width.php","meta":{"footnotes":""},"class_list":["post-6808","page","type-page","status-publish","hentry"],"yoast_head":"\nFourdrinier - MecFab<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mecfab.com\/realisations\/composantes-machines\/fourdrinier\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fourdrinier - MecFab\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mecfab.com\/realisations\/composantes-machines\/fourdrinier\/\" \/>\n<meta property=\"og:site_name\" content=\"MecFab\" \/>\n<meta property=\"article:modified_time\" content=\"2023-08-30T18:56:16+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"92 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/mecfab.com\\\/realisations\\\/composantes-machines\\\/fourdrinier\\\/\",\"url\":\"https:\\\/\\\/mecfab.com\\\/realisations\\\/composantes-machines\\\/fourdrinier\\\/\",\"name\":\"Fourdrinier - 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