{"id":3556,"date":"2016-06-27T10:27:24","date_gmt":"2016-06-27T02:27:24","guid":{"rendered":"http:\/\/hanchang.designworks.tw\/?post_type=portfolio&#038;p=3556"},"modified":"2026-07-24T20:57:49","modified_gmt":"2026-07-24T12:57:49","slug":"vacuum-type-compression-molding-machine","status":"publish","type":"portfolio","link":"https:\/\/hanchang.com.tw\/en\/portfolio-item\/vacuum-type-compression-molding-machine\/","title":{"rendered":"Vacuum Compression Molding Machine | Rubber Seals"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-28jlgk-fee8d51108cc59da936f3e85eacad8de\">\n.flex_column.av-28jlgk-fee8d51108cc59da936f3e85eacad8de{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-28jlgk-fee8d51108cc59da936f3e85eacad8de av_one_half  avia-builder-el-0  el_before_av_one_half  avia-builder-el-first  hc-product-media-col first flex_column_div av-zero-column-padding  '     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The same HCAV \/ HCAVE machine series can be configured for rubber seals or silicone gaskets according to compound, mold, vacuum and curing needs.\"}},{\"@type\":\"Question\",\"name\":\"Why use vacuum for rubber seals?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Vacuum helps reduce trapped air, bubbles and air marks around grooves, sealing lips and parting lines.\"}},{\"@type\":\"Question\",\"name\":\"When is an ejection configuration useful?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Ejection is useful when the seal is soft, deep, difficult to remove, or easily damaged by manual demolding.\"}},{\"@type\":\"Question\",\"name\":\"What data helps confirm the model?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Prepare seal drawing, compound, hardness, mold size, cavity count, vacuum requirement, curing time and target output.\"}},{\"@type\":\"Question\",\"name\":\"Does Han Chang support export projects?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"CE certification available for export projects. 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else run();\n  setTimeout(run, 700);\n})();\n<\/script><\/p>\n<div class=\"hc-product-summary\">\n<div class=\"hc-summary-title\">Machine at a glance<\/div>\n<ul>\n<li>Series: HCAV \/ HCAVE series<\/li>\n<li>Typical products: rubber seals, O-rings, oil seals, silicone gaskets, automotive rubber parts and industrial sealing products<\/li>\n<li>Material scope: rubber, silicone, Bakelite, glass fiber, carbon fiber and thermoset composite materials<\/li>\n<li>Material configuration: rubber, silicone, Bakelite, glass fiber, carbon fiber and thermoset composite materials can be reviewed by mold, heating and demolding conditions.<\/li>\n<li>CE certification available for export projects<\/li>\n<\/ul>\n<\/div>\n<\/div><\/section><\/p><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-hf8nz8-b7e0b9adf0c5c311ec123e6ba3db39c2\">\n.flex_column.av-hf8nz8-b7e0b9adf0c5c311ec123e6ba3db39c2{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-hf8nz8-b7e0b9adf0c5c311ec123e6ba3db39c2 av_one_half  avia-builder-el-3  el_after_av_one_half  el_before_av_hr  hc-product-copy-col flex_column_div av-zero-column-padding  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-g4icpg-9e12a210fe33b6f3f1cbd6f1a46db0f1\">\n#top .av-special-heading.av-g4icpg-9e12a210fe33b6f3f1cbd6f1a46db0f1{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-g4icpg-9e12a210fe33b6f3f1cbd6f1a46db0f1 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-g4icpg-9e12a210fe33b6f3f1cbd6f1a46db0f1 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-g4icpg-9e12a210fe33b6f3f1cbd6f1a46db0f1 av-special-heading-h1 blockquote modern-quote  avia-builder-el-4  el_before_av_textblock  avia-builder-el-first '><h1 class='av-special-heading-tag '  itemprop=\"headline\"  >Vacuum Compression Molding Machine | Rubber Seals<\/h1><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-1e5mqs-e466190e894d20923c40a4057074b99f '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock hc-product-lead-block'  itemprop=\"text\" ><div class=\"hc-product-lead\">\n<p>The HCAV \/ HCAVE vacuum compression molding machine gives rubber and silicone sealing products a controlled hot press platform for vacuum venting, curing and pressure holding.<\/p>\n<p>For O-rings, oil seals and gaskets, Han Chang focuses on vacuum removal, platen parallelism, heating stability and demolding method so the machine can support repeatable sealing-surface quality.<\/p>\n<h2>Key machine advantages<\/h2>\n<ul>\n<li>Vacuum venting reduces trapped air in sealing grooves and parting lines.<\/li>\n<li>Hydraulic pressure repeatability helps control flash and sealing edge consistency.<\/li>\n<li>Heating plate stability supports rubber vulcanization and silicone curing.<\/li>\n<li>Ejection or demolding support can be reviewed for deeper or softer seal shapes.<\/li>\n<\/ul>\n<\/div>\n<\/div><\/section><br \/>\n<section  class='av_textblock_section av-4gts4-125c3216fc8df46d5f248781c5e98501 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock hc-product-machine-functions-block'  itemprop=\"text\" ><section class=\"hc-product-section hc-machine-function-core\">\n<h2>Machine Functions and Molding Control<\/h2>\n<p>Rubber seals need stable pressure, heat and venting control. HCAV \/ HCAVE machines combine vacuum, platen heating and oil-hydraulic holding pressure so seals, O-rings and silicone gaskets can cure with fewer air marks and more consistent edges.<\/p>\n<div class=\"hc-card-grid\">\n<div class=\"hc-product-card\"><strong>Vacuum for sealing parts<\/strong><\/p>\n<p>Vacuum helps pull trapped air away from grooves, lips and parting lines before the material fully cures.<\/p>\n<\/div>\n<div class=\"hc-product-card\"><strong>Platen and pressure stability<\/strong><\/p>\n<p>Stable platen movement and pressure holding support sealing-edge consistency and controlled flash.<\/p>\n<\/div>\n<div class=\"hc-product-card\"><strong>Heating and vulcanization<\/strong><\/p>\n<p>Heating plate control lets the operator match rubber hardness, mold thickness and cure time. For rubber or solid-silicone parts, Han Chang matches material hardness, mold venting, platen temperature, holding time, vacuum, sliding-table or ejection needs and demolding method, giving the customer clearer control of sealing surface, flash, air marks and part removal.<\/p>\n<\/div>\n<div class=\"hc-product-card\"><strong>Demolding support<\/strong><\/p>\n<p>For soft, deep or tight-tolerance seals, demolding and ejection options can reduce product damage.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<\/div><\/section><br \/>\n<div  class='avia-button-wrap av-ah8ys4-8785246ebfd883f155a85c37c42d16dd-wrap avia-button-left  avia-builder-el-7  el_after_av_textblock  avia-builder-el-last '><a href='https:\/\/hanchang.com.tw\/%e8%81%af%e7%b5%a1%e6%88%91%e5%80%91\/'  class='avia-button av-ah8ys4-8785246ebfd883f155a85c37c42d16dd av-link-btn avia-icon_select-yes-left-icon avia-size-large avia-position-left av-icon-on-hover avia-color-theme-color'   aria-label=\"Contact Han Chang\"><span class='avia_button_icon avia_button_icon_left avia-iconfont avia-font-entypo-fontello' data-av_icon='\ue859' data-av_iconfont='entypo-fontello' ><\/span><span class='avia_iconbox_title' >Contact Han Chang<\/span><\/a><\/div><\/p><\/div>\n<div  class='hr av-938c90-65fc0d7f350e8a5cff0874cbde860ae8 hr-default  avia-builder-el-8  el_after_av_one_half  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<section  class='av_textblock_section av-7scvsk-9a9f01d92cc59c73024e7aececdb7b71 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock hc-product-model-overview-block'  itemprop=\"text\" ><section class=\"hc-product-section hc-model-overview\">\n<h2>Model range and configuration<\/h2>\n<div class=\"hc-card-grid\">\n<div class=\"hc-product-card\"><strong>HCAV small\/medium models<\/strong><\/p>\n<p>Selected for O-rings, gaskets and smaller sealing molds.<\/p>\n<\/div>\n<div class=\"hc-product-card\"><strong>HCAV larger models<\/strong><\/p>\n<p>Selected when mold weight, platen size, cavity count or output is higher.<\/p>\n<\/div>\n<div class=\"hc-product-card\"><strong>HCAVE ejection option<\/strong><\/p>\n<p>Recommended when seal geometry benefits from assisted release.<\/p>\n<\/div>\n<div class=\"hc-product-card\"><strong>Configuration basis<\/strong><\/p>\n<p>Review mold size, rubber\/silicone hardness, vacuum requirement, heating capacity and demolding path.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<\/div><\/section>\n<div  class='togglecontainer av-1flxgk-3eb286b91c766f6e9d6b9a99672b2bf1  avia-builder-el-10  el_after_av_textblock  el_before_av_textblock  toggle_close_all' >\n<p class=\"hc-contextual-links\"><strong>Continue machine selection: <\/strong><a href=\"https:\/\/hanchang.com.tw\/en\/portfolio_entries\/multi-functional-computerized-rubber-silicon-molding-machine\/\">rubber and silicone compression family<\/a> \u00b7 <a href=\"https:\/\/hanchang.com.tw\/en\/portfolio-item\/sliding-plate-type-ejection-mold-compression-machine\/\">sliding-table press with ejection<\/a> \u00b7 <a href=\"https:\/\/hanchang.com.tw\/en\/portfolio-item\/vacuum-type-compression-molding-machine-2\/\">precision silicone vacuum compression machine<\/a><\/p>\n<section class='av_toggle_section av-d3cixw-c6e0d42c3a7696a4610f47c1e4b6303c'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-1' data-fake-id='#toggle-id-1' class='toggler  av-title-above '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-1' data-slide-speed=\"200\" data-title=\"Spec \/ Type HCAV-80D\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Spec \/ Type HCAV-80D\" data-aria_expanded=\"Click to collapse: Spec \/ Type HCAV-80D\">Spec \/ Type HCAV-80D<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-1' aria-labelledby='toggle-toggle-id-1' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color '  itemprop=\"text\" ><table>\n<tbody>\n<tr>\n<th>Clamping force (Ton)<\/th>\n<th>80<\/th>\n<\/tr>\n<tr>\n<td>Plate size (m\/m)<\/td>\n<td>439&#215;419<\/td>\n<\/tr>\n<tr>\n<td>Cylinder diameter (m\/m)<\/td>\n<td>236<\/td>\n<\/tr>\n<tr>\n<td>Stroke (m\/m)<\/td>\n<td>320<\/td>\n<\/tr>\n<tr>\n<td>Daylight (m\/m)<\/td>\n<td>500<\/td>\n<\/tr>\n<tr>\n<td>Pump pressure (kg\/cm2)<\/td>\n<td>210<\/td>\n<\/tr>\n<tr>\n<td>Motor (HP)<\/td>\n<td>5&#215;2<\/td>\n<\/tr>\n<tr>\n<td>Heater capacity (Kw)<\/td>\n<td>7.6&#215;2<\/td>\n<\/tr>\n<tr>\n<td>Oil reservoir capacity (gallon)<\/td>\n<td>150<\/td>\n<\/tr>\n<tr>\n<td>Machine size LxWxH (m\/m)<\/td>\n<td>3140x1528x2185<\/td>\n<\/tr>\n<tr>\n<td>Net weight approx (kg)<\/td>\n<td>5400<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-bi9hgk-f9be1f2d765e26493f82539c3f626058'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-2' data-fake-id='#toggle-id-2' class='toggler  av-title-above '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-2' data-slide-speed=\"200\" data-title=\"Spec \/ Type HCAV-100D\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Spec \/ Type HCAV-100D\" data-aria_expanded=\"Click to collapse: Spec \/ Type HCAV-100D\">Spec \/ Type HCAV-100D<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-2' aria-labelledby='toggle-toggle-id-2' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color '  itemprop=\"text\" ><table>\n<tbody>\n<tr>\n<th>Clamping force (Ton)<\/th>\n<th>100<\/th>\n<\/tr>\n<tr>\n<td>Plate size (m\/m)<\/td>\n<td>355&#215;355<\/p>\n<p>439&#215;419<\/p>\n<p>555&#215;505<\/td>\n<\/tr>\n<tr>\n<td>Cylinder diameter (m\/m)<\/td>\n<td>265<\/td>\n<\/tr>\n<tr>\n<td>Stroke (m\/m)<\/td>\n<td>320<\/td>\n<\/tr>\n<tr>\n<td>Daylight (m\/m)<\/td>\n<td>500<\/td>\n<\/tr>\n<tr>\n<td>Pump pressure (kg\/cm2)<\/td>\n<td>210<\/td>\n<\/tr>\n<tr>\n<td>Motor (HP)<\/td>\n<td>5&#215;2<\/td>\n<\/tr>\n<tr>\n<td>Heater capacity (Kw)<\/td>\n<td>10.6&#215;2<\/td>\n<\/tr>\n<tr>\n<td>Oil reservoir capacity (gallon)<\/td>\n<td>150<\/td>\n<\/tr>\n<tr>\n<td>Machine size LxWxH (m\/m)<\/td>\n<td>3380x1793x2370<\/td>\n<\/tr>\n<tr>\n<td>Net weight approx (kg)<\/td>\n<td>7600<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-9uv2fo-e0726bfc143f38cded2e15f4f4b835ef'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-3' data-fake-id='#toggle-id-3' class='toggler  av-title-above '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-3' data-slide-speed=\"200\" data-title=\"Spec \/ Type HCAV-150D\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Spec \/ Type HCAV-150D\" data-aria_expanded=\"Click to collapse: Spec \/ Type HCAV-150D\">Spec \/ Type HCAV-150D<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-3' aria-labelledby='toggle-toggle-id-3' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color '  itemprop=\"text\" ><table>\n<tbody>\n<tr>\n<th>Clamping force (Ton)<\/th>\n<th>150<\/th>\n<\/tr>\n<tr>\n<td>Plate size (m\/m)<\/td>\n<td>439&#215;419<\/p>\n<p>555&#215;505<\/p>\n<p>614&#215;574<\/td>\n<\/tr>\n<tr>\n<td>Cylinder diameter (m\/m)<\/td>\n<td>300\/315<\/td>\n<\/tr>\n<tr>\n<td>Stroke (m\/m)<\/td>\n<td>320<\/td>\n<\/tr>\n<tr>\n<td>Daylight (m\/m)<\/td>\n<td>500<\/td>\n<\/tr>\n<tr>\n<td>Pump pressure (kg\/cm2)<\/td>\n<td>210<\/td>\n<\/tr>\n<tr>\n<td>Motor (HP)<\/td>\n<td>7.5&#215;2<\/td>\n<\/tr>\n<tr>\n<td>Heater capacity (Kw)<\/td>\n<td>10.6&#215;2<\/td>\n<\/tr>\n<tr>\n<td>Oil reservoir capacity (gallon)<\/td>\n<td>150<\/td>\n<\/tr>\n<tr>\n<td>Machine size LxWxH (m\/m)<\/td>\n<td>3750x1880x2370<\/td>\n<\/tr>\n<tr>\n<td>Net weight approx (kg)<\/td>\n<td>9000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-rgsvo-c97c1f8d77ed9c70be53b5f9cd7b4969'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-4' data-fake-id='#toggle-id-4' class='toggler  av-title-above '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-4' data-slide-speed=\"200\" data-title=\"Spec \/ Type HCAV-200D\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Spec \/ Type HCAV-200D\" data-aria_expanded=\"Click to collapse: Spec \/ Type HCAV-200D\">Spec \/ Type HCAV-200D<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-4' aria-labelledby='toggle-toggle-id-4' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color '  itemprop=\"text\" ><table>\n<tbody>\n<tr>\n<th>Clamping force (Ton)<\/th>\n<th>200<\/th>\n<\/tr>\n<tr>\n<td>Plate size (m\/m)<\/td>\n<td>555&#215;505<\/p>\n<p>614&#215;574<\/p>\n<p>674&#215;674<\/td>\n<\/tr>\n<tr>\n<td>Cylinder diameter (m\/m)<\/td>\n<td>368<\/td>\n<\/tr>\n<tr>\n<td>Stroke (m\/m)<\/td>\n<td>320<\/td>\n<\/tr>\n<tr>\n<td>Daylight (m\/m)<\/td>\n<td>500<\/td>\n<\/tr>\n<tr>\n<td>Pump pressure (kg\/cm2)<\/td>\n<td>210<\/td>\n<\/tr>\n<tr>\n<td>Motor (HP)<\/td>\n<td>7.5&#215;2<\/td>\n<\/tr>\n<tr>\n<td>Heater capacity (Kw)<\/td>\n<td>16.6&#215;2<\/td>\n<\/tr>\n<tr>\n<td>Oil reservoir capacity (gallon)<\/td>\n<td>170<\/td>\n<\/tr>\n<tr>\n<td>Machine size LxWxH (m\/m)<\/td>\n<td>3750x1860x2760<\/td>\n<\/tr>\n<tr>\n<td>Net weight approx (kg)<\/td>\n<td>12000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-55sthw-aaddd261dc2ff751ac8952b60fcd5c04'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-5' data-fake-id='#toggle-id-5' class='toggler  av-title-above '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-5' data-slide-speed=\"200\" data-title=\"Spec \/ Type HCAV-250D\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Spec \/ Type HCAV-250D\" data-aria_expanded=\"Click to collapse: Spec \/ Type HCAV-250D\">Spec \/ Type HCAV-250D<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-5' aria-labelledby='toggle-toggle-id-5' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color '  itemprop=\"text\" ><table>\n<tbody>\n<tr>\n<th>Clamping force (Ton)<\/th>\n<th>250<\/th>\n<\/tr>\n<tr>\n<td>Plate size (m\/m)<\/td>\n<td>614&#215;574<\/p>\n<p>674&#215;674<\/p>\n<p>785&#215;710<\/td>\n<\/tr>\n<tr>\n<td>Cylinder diameter (m\/m)<\/td>\n<td>400<\/td>\n<\/tr>\n<tr>\n<td>Stroke (m\/m)<\/td>\n<td>320<\/td>\n<\/tr>\n<tr>\n<td>Daylight (m\/m)<\/td>\n<td>500<\/td>\n<\/tr>\n<tr>\n<td>Pump pressure (kg\/cm2)<\/td>\n<td>210<\/td>\n<\/tr>\n<tr>\n<td>Motor (HP)<\/td>\n<td>7.5&#215;2<\/td>\n<\/tr>\n<tr>\n<td>Heater capacity (Kw)<\/td>\n<td>16.6&#215;2<\/td>\n<\/tr>\n<tr>\n<td>Oil reservoir capacity (gallon)<\/td>\n<td>170<\/td>\n<\/tr>\n<tr>\n<td>Machine size LxWxH (m\/m)<\/td>\n<td>3750x1860x2760<\/td>\n<\/tr>\n<tr>\n<td>Net weight approx (kg)<\/td>\n<td>12500<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-3idrbo-6d54efbb144a851826214d46aca171a4'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-6' data-fake-id='#toggle-id-6' class='toggler  av-title-above '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-6' data-slide-speed=\"200\" data-title=\"Spec \/ Type HCAV-300D\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Spec \/ Type HCAV-300D\" data-aria_expanded=\"Click to collapse: Spec \/ Type HCAV-300D\">Spec \/ Type HCAV-300D<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-6' aria-labelledby='toggle-toggle-id-6' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color '  itemprop=\"text\" ><table>\n<tbody>\n<tr>\n<th>Clamping force (Ton)<\/th>\n<th>300<\/th>\n<\/tr>\n<tr>\n<td>Plate size (m\/m)<\/td>\n<td>614&#215;574<\/p>\n<p>630&#215;650<\/p>\n<p>674&#215;674<\/td>\n<\/tr>\n<tr>\n<td>Cylinder diameter (m\/m)<\/td>\n<td>450<\/td>\n<\/tr>\n<tr>\n<td>Stroke (m\/m)<\/td>\n<td>320<\/td>\n<\/tr>\n<tr>\n<td>Daylight (m\/m)<\/td>\n<td>500<\/td>\n<\/tr>\n<tr>\n<td>Pump pressure (kg\/cm2)<\/td>\n<td>210<\/td>\n<\/tr>\n<tr>\n<td>Motor (HP)<\/td>\n<td>7.5&#215;2<\/td>\n<\/tr>\n<tr>\n<td>Heater capacity (Kw)<\/td>\n<td>16.6&#215;2<\/td>\n<\/tr>\n<tr>\n<td>Oil reservoir capacity (gallon)<\/td>\n<td>170<\/td>\n<\/tr>\n<tr>\n<td>Machine size LxWxH (m\/m)<\/td>\n<td>3750x1965x2760<\/td>\n<\/tr>\n<tr>\n<td>Net weight approx (kg)<\/td>\n<td>13000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-298gis-19c4a6cad928faa66640581e56ef175e'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p id='toggle-toggle-id-7' data-fake-id='#toggle-id-7' class='toggler  av-title-above '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-7' data-slide-speed=\"200\" data-title=\"Spec \/ Type HCAV-350D\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Spec \/ Type HCAV-350D\" data-aria_expanded=\"Click to collapse: Spec \/ Type HCAV-350D\">Spec \/ Type HCAV-350D<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-7' aria-labelledby='toggle-toggle-id-7' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color '  itemprop=\"text\" ><table>\n<tbody>\n<tr>\n<th>Clamping force (Ton)<\/th>\n<th>350<\/th>\n<\/tr>\n<tr>\n<td>Plate size (m\/m)<\/td>\n<td>700&#215;700<\/td>\n<\/tr>\n<tr>\n<td>Cylinder diameter (m\/m)<\/td>\n<td>460<\/td>\n<\/tr>\n<tr>\n<td>Stroke (m\/m)<\/td>\n<td>320<\/td>\n<\/tr>\n<tr>\n<td>Daylight (m\/m)<\/td>\n<td>500<\/td>\n<\/tr>\n<tr>\n<td>Pump pressure (kg\/cm2)<\/td>\n<td>210<\/td>\n<\/tr>\n<tr>\n<td>Motor (HP)<\/td>\n<td>10&#215;2<\/td>\n<\/tr>\n<tr>\n<td>Heater capacity (Kw)<\/td>\n<td>16.6&#215;2<\/td>\n<\/tr>\n<tr>\n<td>Oil reservoir capacity (gallon)<\/td>\n<td>170<\/td>\n<\/tr>\n<tr>\n<td>Machine size LxWxH (m\/m)<\/td>\n<td>3760x1965x2960<\/td>\n<\/tr>\n<tr>\n<td>Net weight approx (kg)<\/td>\n<td>14500<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div><\/div><\/section>\n<\/div>\n<section  class='av_textblock_section av-6f3ox0-467a347fa3cc973b0c3882e52a42ba81 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock hc-product-decision-guide-block'  itemprop=\"text\" ><section class=\"hc-product-section hc-buyer-comparison\">\n<h2>How to choose this hot press compression machine<\/h2>\n<p>Choose this page&#8217;s configuration when the production target is a rubber or silicone sealing product where air traps, flash, lip deformation and demolding marks affect the final seal.<\/p>\n<div class=\"hc-card-grid\">\n<div class=\"hc-product-card\"><strong>Sealing-surface control<\/strong><\/p>\n<p>Check parting line, sealing lip, cavity count and surface tolerance before selecting platen size and pressure.<\/p>\n<\/div>\n<div class=\"hc-product-card\"><strong>Vacuum and vent path<\/strong><\/p>\n<p>Match vacuum timing with mold vent design so trapped air can leave before final pressure holding.<\/p>\n<\/div>\n<div class=\"hc-product-card\"><strong>Heat and curing time<\/strong><\/p>\n<p>Rubber vulcanization or silicone curing must match material hardness, mold mass and cycle target.<\/p>\n<\/div>\n<div class=\"hc-product-card\"><strong>Demolding method<\/strong><\/p>\n<p>For oil seals, O-rings or deep gaskets, confirm whether operator removal or ejection support is better.<\/p>\n<\/div>\n<\/div>\n<div class=\"hc-config-data\"><strong>Machine configuration data<\/strong><\/p>\n<ul>\n<li>Seal drawing, sealing surface, tolerance and expected flash standard.<\/li>\n<li>Rubber or silicone compound, Shore hardness, cure behavior and material weight.<\/li>\n<li>Mold size, mold weight, cavity count, vent path, daylight and demolding method.<\/li>\n<li>Target output, voltage, factory layout and export\/service requirements.<\/li>\n<\/ul>\n<\/div>\n<\/section>\n<\/div><\/section>\n<section  class='av_textblock_section av-4ov91w-9311c14d6ac6665281172caa79e16845 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock hc-product-service-block'  itemprop=\"text\" ><section class=\"hc-product-section hc-service-section\">\n<h2>Machine service, imported components and export support<\/h2>\n<p>Han Chang supports the machine as production equipment, not as a catalog-only item. Service support covers model selection, installation discussion, operating guidance, online machine diagnosis and replacement-part coordination.<\/p>\n<p>Applicable configurations can use imported key components such as Mitsubishi PLC, Fuji Electric touch panel and Japanese-brand oil seals, helping customers maintain stable control, easier maintenance judgment and clearer export planning.<\/p>\n<div class=\"hc-card-grid\">\n<div class=\"hc-product-card\"><strong>Machine service support<\/strong><\/p>\n<p>Han Chang reviews hydraulic system, heating control, vacuum\/sliding\/ejection movement, PLC settings and on-site operation videos to help confirm the machine condition.<\/p>\n<\/div>\n<div class=\"hc-product-card\"><strong>Imported key components<\/strong><\/p>\n<p>Mitsubishi PLC, Fuji Electric touch panel and Japanese-brand oil seals can be used in applicable configurations.<\/p>\n<\/div>\n<div class=\"hc-product-card\"><strong>Online machine diagnosis<\/strong><\/p>\n<p>When pressure, heating, vacuum, sliding movement, ejection or machine alarm issues occur, Han Chang can review settings, photos and videos before arranging parts or service.<\/p>\n<\/div>\n<div class=\"hc-product-card\"><strong>Export project support<\/strong><\/p>\n<p>CE certification is available for export projects when required by the selected configuration and documentation scope.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<\/div><\/section>\n<section  class='av_textblock_section av-2dhhs4-8b2ac29866a53954733f359ad4578bc9 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock hc-product-faq-block'  itemprop=\"text\" ><section class=\"hc-product-faq\">\n<h2>Vacuum Compression Molding Machine | Rubber Seals FAQ<\/h2>\n<details open>\n<summary>Can HCAV produce both rubber seals and silicone gaskets?<\/summary>\n<p>Yes. The same HCAV \/ HCAVE machine series can be configured for rubber seals or silicone gaskets according to compound, mold, vacuum and curing needs.<\/p>\n<\/details>\n<details>\n<summary>Why use vacuum for rubber seals?<\/summary>\n<p>Vacuum helps reduce trapped air, bubbles and air marks around grooves, sealing lips and parting lines.<\/p>\n<\/details>\n<details>\n<summary>When is an ejection configuration useful?<\/summary>\n<p>Ejection is useful when the seal is soft, deep, difficult to remove, or easily damaged by manual demolding.<\/p>\n<\/details>\n<details>\n<summary>What data helps confirm the model?<\/summary>\n<p>Prepare seal drawing, compound, hardness, mold size, cavity count, vacuum requirement, curing time and target output.<\/p>\n<\/details>\n<details>\n<summary>Does Han Chang support export projects?<\/summary>\n<p>CE certification available for export projects. For rubber or solid-silicone parts, Han Chang matches material hardness, mold venting, platen temperature, holding time, vacuum, sliding-table or ejection needs and demolding method, giving the customer clearer control of sealing surface, flash, air marks and part removal.<\/p>\n<\/details>\n<\/section>\n<\/div><\/section><br \/>\n<script id=\"HC_ENGLISH_PRODUCT_SEARCH_LABEL_FIX\">(function(){function fix(){document.querySelectorAll('aside.sidebar_right .widget_search .widgettitle').forEach(function(el){el.textContent='Search';});document.querySelectorAll('aside.sidebar_right .widget_search input[type=\"submit\"], aside.sidebar_right .widget_search button').forEach(function(el){if(el.value)el.value='Search';});}if(document.readyState==='loading')document.addEventListener('DOMContentLoaded',fix);fix();window.addEventListener('load',fix);var n=0,t=setInterval(function(){fix();if(++n>12)clearInterval(t);},300);}());<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vacuum compression molding machine for rubber seals, O-rings, oil seals and silicone gaskets. Review vacuum venting, platen size, heating, pressure holding and demolding.<\/p>\n","protected":false},"author":5,"featured_media":4623,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"tags":[],"portfolio_entries":[85],"class_list":["post-3556","portfolio","type-portfolio","status-publish","has-post-thumbnail","hentry","portfolio_entries-multi-functional-computerized-rubber-silicon-molding-machine"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v25.2) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Vacuum Compression Molding Machine for Rubber Seals | Han Chang<\/title>\n<meta name=\"description\" content=\"Vacuum compression molding machine for rubber seals, O-rings, oil seals and silicone gaskets. 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