{"id":844,"date":"2019-03-29T10:14:21","date_gmt":"2019-03-29T09:14:21","guid":{"rendered":"https:\/\/kwf-hilger.com\/?page_id=844"},"modified":"2020-07-15T15:26:20","modified_gmt":"2020-07-15T13:26:20","slug":"simtex_paper","status":"publish","type":"page","link":"https:\/\/kwf-hilger.com\/it\/simtex_paper\/","title":{"rendered":"Simtex\u2122_Paper"},"content":{"rendered":"
\n[mk_page_section bg_image=”https:\/\/kwf-hilger.com\/wp-content\/uploads\/2019\/04\/kwf_bild_intro_blau.jpg” bg_position=”left center” bg_repeat=”no-repeat” bg_stretch=”true” speed_factor=”0.4″ video_color_mask=”#1b34b5″ video_opacity=”0.5″ min_height=”400″ full_width=”true” js_vertical_centered=”true” padding_top=”0″ padding_bottom=”0″ sidebar=”sidebar-1″][vc_column][vc_column_text animation=”scale-up” el_class=”schatten” css=”.vc_custom_1560945072884{margin-bottom: 0px !important;}”]\n

Simtex\u2122<\/span><\/h1>\n[\/vc_column_text][mk_padding_divider][vc_row_inner][vc_column_inner width=”1\/4″][mk_button dimension=”outline” size=”large” url=”\/simtex_general\/” align=”center” fullwidth=”true” margin_right=”0″ outline_skin=”custom” outline_active_color=”#ffffff” outline_hover_bg_color=”#ffffff” outline_hover_color=”#00005e”]General
\nInformation[\/mk_button][\/vc_column_inner][vc_column_inner width=”1\/4″][mk_button dimension=”outline” size=”large” url=”\/simtex_paper” align=”center” fullwidth=”true” id=”aktiv” outline_skin=”custom” outline_active_text_color=”#ffffff” outline_hover_bg_color=”#ffffff” outline_hover_color=”#00005e”]Paper
\nCalendering[\/mk_button][\/vc_column_inner][vc_column_inner width=”1\/4″][mk_button dimension=”outline” size=”large” url=”\/simtex\/” align=”center” fullwidth=”true” outline_skin=”custom” outline_active_color=”#ffffff” outline_hover_bg_color=”#ffffff” outline_hover_color=”#00005e”]Simtex\u2122
\nEmbossing[\/mk_button][\/vc_column_inner][vc_column_inner width=”1\/4″][mk_button dimension=”outline” size=”large” url=”\/simtex_textiles” align=”center” fullwidth=”true” outline_skin=”custom” outline_active_color=”#ffffff” outline_hover_bg_color=”#ffffff” outline_hover_color=”#00005e”]Textile
\nCalendering[\/mk_button][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/mk_page_section][mk_page_section bg_image=”https:\/\/kwf-hilger.com\/wp-content\/uploads\/2019\/04\/hintergrund_logo.png” video_color_mask=”#ffffff” video_opacity=”0.7″ min_height=”0″ padding_top=”0″ padding_bottom=”0″ section_id=”woollenpaper” sidebar=”sidebar-1″][vc_column][mk_padding_divider size=”60″][vc_column_text css=”.vc_custom_1560945865731{margin-bottom: 0px !important;}”]\n

Simtex\u2122 paper calendering<\/span><\/h2>\n[\/vc_column_text][vc_separator color=”custom” border_width=”2″ accent_color=”#00005e”][vc_row_inner][vc_column_inner width=”1\/2″][vc_column_text css=”.vc_custom_1560946946931{margin-bottom: 0px !important;}”]\n

Simtex\u2122 offers increased calendering efficiency and low operating costs and is the ideal Supercalender roll for LWC, SC and glassine or Release paper. Because of its high marking and temperature resistance, Simtex\u2122 offers greatly extended grinding intervals. This translates into fewer roll changes, less downtime and increased output. Typically, Simtex\u2122 offers grinding intervals between 1000 and 1500 hours (depending on roll position and running conditions). <\/span>Long grinding intervals combined with an average grinding depth of 1mm account for the very long lifetime achievable with Simtex\u2122 .<\/span><\/p>\n[\/vc_column_text][\/vc_column_inner][vc_column_inner width=”1\/2″][mk_image src=”https:\/\/kwf-hilger.com\/wp-content\/uploads\/2019\/06\/simtex-roll-finished-close-up-kopie.jpg” image_size=”full” lightbox=”true” align=”center” el_class=”letterhough”][\/vc_column_inner][\/vc_row_inner][mk_padding_divider size=”30″][\/vc_column][vc_column][vc_row_inner][vc_column_inner width=”1\/2″][vc_column_text css=”.vc_custom_1560946297663{margin-bottom: 0px !important;}”]\n

Raw materials<\/span><\/h3>\n[\/vc_column_text][vc_separator color=”custom” accent_color=”#00005e”][vc_column_text css=”.vc_custom_1561714717844{margin-bottom: 0px !important;}”]\n

The Simtex\u2122 formulation uses specially selected synthetic fibres, prepared in a unique way. Fibres are oriented circumferentially to coincide with the direction of material to be calendered, giving maximum ‘forged’ strength and smoothness. The circumferential orientation of fibres is combined with the strength of the fibres \u2013 3 times stronger than steel, weight for weight. This gives the Simtex\u2122 cover outstanding dimensional stability, enabling it to keep its shape in the supercalender over<\/p>\n

Simtex\u2122 calender rolls are able to withstand 250c+ maximum steel roll surface temperature.<\/p>\n[\/vc_column_text][mk_padding_divider size=”20″][mk_image src=”https:\/\/kwf-hilger.com\/wp-content\/uploads\/2019\/04\/bildschirmfoto-2019-04-01-um-11.42.19.png” image_size=”full” lightbox=”true”][vc_column_text css=”.vc_custom_1560948976718{margin-bottom: 0px !important;}”]\n

Fig. 1<\/span><\/p>\n[\/vc_column_text][\/vc_column_inner][vc_column_inner width=”1\/2″][vc_column_text css=”.vc_custom_1560946955918{margin-bottom: 0px !important;}”]\n

Simtex\u2122 calender rolls:<\/span><\/h3>\n[\/vc_column_text][vc_separator color=”custom” accent_color=”#00005e”][mk_custom_list style=”mk-icon-caret-right”]\n
    \n
  • Boost productivity<\/span><\/li>\n
  • Help avoid bottlenecks in supercalenders<\/span><\/li>\n
  • Give excellent gloss and smoothness properties<\/span><\/li>\n
  • Significantly reduce operating costs<\/span><\/li>\n<\/ul>\n[\/mk_custom_list][mk_padding_divider size=”20″][vc_column_text css=”.vc_custom_1560946996972{margin-bottom: 0px !important;}”]\n

    Why use Simtex\u2122 <\/b><\/span><\/span><\/h3>\n[\/vc_column_text][vc_separator color=”custom” accent_color=”#00005e”][mk_custom_list style=”mk-icon-caret-right”]\n
      \n
    • Regrind interval up to 1500 hours <\/span><\/li>\n
    • No loss in gloss & smoothness compared to a cotton or polymer roll \u2013 fully elastic nip. <\/span><\/li>\n
    • Greater depth of material \u2013 less risk. <\/span><\/li>\n
    • No special steel shell required \u2013 the original bowl shafts can be used. <\/span><\/li>\n
    • Longer life <\/span><\/li>\n
    • Minimal marking <\/span><\/li>\n
    • No effect from edge wear and vibration problems<\/span><\/li>\n<\/ul>\n[\/mk_custom_list][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner][vc_column_text css=”.vc_custom_1560946401263{margin-bottom: 0px !important;}”]\n

      Finish<\/span><\/h3>\n[\/vc_column_text][vc_separator color=”custom” accent_color=”#00005e”][vc_column_text css=”.vc_custom_1579871188345{margin-bottom: 0px !important;}”]\n

      Simtex\u2122 creates full friction gloss in the nip, caused by micro-slip, improving the look and feel of the material with increased glaze and smoothness. Polymer rolls are unable to add frictional force or the resultant microslip, so surface finish capability is severely restricted. Both the cast epoxy Polymer rolls and the epoxy-dipped synthetic Composite types suffer from cracking and deformation, leading to short working life despite their high cost. <\/span>Polymer \/ composite covers are too rigid to cope with non-uniform conditions at the nip, leading to a high risk of damage caused by debris, folds, edge wear and vibration if the loading is uneven. Relatively small localised pressure variations above 4% can cause failure. Simtex\u2122 , however, is produced from a special combination of high-tech synthetic fibres which give full elasticity, deforming as required to match fluctuating pressures across the nip. Simtex\u2122 <\/span>\u00a0has high Niploads and temperature ranges and filled rolls can withstand niploads up to 450 kN \/ m and steel roll surfaces of 250c+. These extended performance parameters allow a solid security margin in case of surface accidents.<\/span><\/p>\n

      Gloss and smoothness are related to calendering temperatures. Simtex\u2122 offers the possibility of increasing calender temperatures to improve paper surface characteristics.<\/p>\n

      Simtex\u2122 can be re-surfaced on standard equipment such as diamond lathe tool, belt sanding and wet-stone grinding.<\/p>\n[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][mk_padding_divider size=”60″][vc_row_inner][vc_column_inner width=”1\/3″][vc_column_text css=”.vc_custom_1560946461290{margin-bottom: 0px !important;}”]\n

      Roll Lifetime<\/span><\/h3>\n[\/vc_column_text][vc_separator color=”custom” accent_color=”#00005e”][mk_custom_list style=”mk-icon-caret-right” el_class=”schatten”]\n
        \n
      • Line Pressure \u2013 300-400 kN \/ m <\/span><\/li>\n
      • Temperature of steel rolls\u2013 100-120C <\/span><\/li>\n
      • speed \u2013 800-1000 m \/ min<\/span><\/li>\n<\/ul>\n[\/mk_custom_list][\/vc_column_inner][vc_column_inner width=”2\/3″][vc_column_text css=”.vc_custom_1560946474855{margin-bottom: 0px !important;}”]\n

        Physical Properties of SimtexTM<\/sup><\/span><\/span><\/h3>\n[\/vc_column_text][vc_separator color=”custom” accent_color=”#00005e”][mk_custom_list style=”mk-icon-caret-right” el_class=”schatten”]\n
          \n
        • Simtex\u2122 operates at a maximum bowl temperature of 250\u00b0C+, with a maximum temperature of the steel roll at 400\u00b0C+ <\/span><\/li>\n
        • Simtex\u2122 has excellent mark resistance – most marks will not show <\/span><\/li>\n
        • Simtex\u2122 can be machined in the same way as cotton rolls with a usable diameter 100mm <\/span><\/li>\n
        • Simtex\u2122 can be wet ground <\/span><\/li>\n
        • Simtex\u2122 can be doctored<\/span><\/li>\n<\/ul>\n[\/mk_custom_list][\/vc_column_inner][\/vc_row_inner][\/vc_column][vc_column][mk_padding_divider size=”60″][vc_column_text css=”.vc_custom_1561714770169{margin-bottom: 0px !important;}”]\n

          Advantages over Composite \/ Polymer Rolls<\/span><\/h2>\n[\/vc_column_text][vc_column_text css=”.vc_custom_1561714784965{margin-bottom: 0px !important;}”]\n

          Unlike composite \/ plastic rolls, Simtex\u2122 can be used to upgrade your calender with the advantage of creating full friction gloss in the nip caused by micro-slip.<\/span><\/p>\n[\/vc_column_text][vc_separator color=”custom” border_width=”2″ accent_color=”#00005e”][mk_padding_divider size=”30″][vc_row_inner][vc_column_inner width=”1\/3″][vc_column_text css=”.vc_custom_1560949366274{margin-bottom: 0px !important;}”]\n

          \n

          Finish<\/span><\/h3>\n<\/div>\n[\/vc_column_text][vc_separator color=”custom” accent_color=”#00005e”][mk_custom_list style=”mk-icon-caret-right”]\n
            \n
          • Polymer roll gives surface finish by replication \u2013 like a steel roll but very smooth surface. No friction (no micro-slip), so no added heat. <\/span><\/li>\n
          • Polymer rolls are incapable of adding any frictional force to the glossing process <\/span><\/li>\n
          • Simtex\u2122 gives surface finish by Micro-slip friction, resulting in increased glaze and smoothness<\/span><\/li>\n<\/ul>\n[\/mk_custom_list][\/vc_column_inner][vc_column_inner width=”1\/3″][vc_column_text css=”.vc_custom_1560949374349{margin-bottom: 0px !important;}”]\n
            \n

            Elasticity<\/b><\/span><\/h3>\n<\/div>\n[\/vc_column_text][vc_separator color=”custom” accent_color=”#00005e”][mk_custom_list style=”mk-icon-caret-right”]\n

            Poisson\u2019s ratio is a measure of the relative incompressibility of a cover:<\/span><\/p>\n

              \n
            • Steel has a Poisson\u2019s ratio of 0.3 (incompressible)<\/span><\/li>\n
            • Polymer cover: 0.3-0.35 (incompressible)<\/span><\/li>\n
            • Cotton roll 0.17 (much more elastic)<\/span><\/li>\n
            • Simtex\u2122 0.2 (much more elastic)<\/span><\/li>\n<\/ul>\n[\/mk_custom_list][\/vc_column_inner][vc_column_inner width=”1\/3″][vc_column_text css=”.vc_custom_1560949381090{margin-bottom: 0px !important;}”]\n
              \n

              Nip Condition<\/b><\/span><\/h3>\n<\/div>\n[\/vc_column_text][vc_separator color=”custom” accent_color=”#00005e”][vc_column_text css=”.vc_custom_1565881051738{margin-bottom: 0px !important;}”]\n

              The lack of resistance in a polymer cover will not allow it to comply with ANY non-uniform nip condition. The polymer roll will not deform but will try to support an uneven load. For this reason, polymer covers are much more susceptible to damage from debris \/ folds going through the nip. Local pressure variations in excess of 4% of the total nip being applied can cause failure.<\/p>\n[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][vc_column][mk_padding_divider size=”60″][mk_padding_divider size=”60″][\/vc_column][\/mk_page_section]\n\n<\/div>","protected":false},"excerpt":{"rendered":"

              [mk_page_section bg_image=”https:\/\/kwf-hilger.com\/wp-content\/uploads\/2019\/04\/kwf_bild_intro_blau.jpg” bg_position=”left center” bg_repeat=”no-repeat” bg_stretch=”true” speed_factor=”0.4″ video_color_mask=”#1b34b5″ video_opacity=”0.5″ min_height=”400″ full_width=”true” js_vertical_centered=”true” padding_top=”0″ padding_bottom=”0″ sidebar=”sidebar-1″][vc_column][vc_column_text animation=”scale-up” el_class=”schatten” css=”.vc_custom_1560945072884{margin-bottom: 0px !important;}”] Simtex\u2122 [\/vc_column_text][mk_padding_divider][vc_row_inner][vc_column_inner width=”1\/4″][mk_button dimension=”outline” size=”large” url=”\/simtex_general\/” align=”center” fullwidth=”true” margin_right=”0″ outline_skin=”custom” outline_active_color=”#ffffff” outline_hover_bg_color=”#ffffff” outline_hover_color=”#00005e”]General Information[\/mk_button][\/vc_column_inner][vc_column_inner width=”1\/4″][mk_button dimension=”outline” size=”large” url=”\/simtex_paper” align=”center” fullwidth=”true” id=”aktiv” outline_skin=”custom” outline_active_text_color=”#ffffff” outline_hover_bg_color=”#ffffff” outline_hover_color=”#00005e”]Paper Calendering[\/mk_button][\/vc_column_inner][vc_column_inner width=”1\/4″][mk_button dimension=”outline” size=”large” url=”\/simtex\/” align=”center” fullwidth=”true” outline_skin=”custom” outline_active_color=”#ffffff” outline_hover_bg_color=”#ffffff” […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-844","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/kwf-hilger.com\/it\/wp-json\/wp\/v2\/pages\/844","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kwf-hilger.com\/it\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/kwf-hilger.com\/it\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/kwf-hilger.com\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kwf-hilger.com\/it\/wp-json\/wp\/v2\/comments?post=844"}],"version-history":[{"count":60,"href":"https:\/\/kwf-hilger.com\/it\/wp-json\/wp\/v2\/pages\/844\/revisions"}],"predecessor-version":[{"id":2314,"href":"https:\/\/kwf-hilger.com\/it\/wp-json\/wp\/v2\/pages\/844\/revisions\/2314"}],"wp:attachment":[{"href":"https:\/\/kwf-hilger.com\/it\/wp-json\/wp\/v2\/media?parent=844"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}