{"id":4052,"date":"2026-05-22T11:52:55","date_gmt":"2026-05-22T03:52:55","guid":{"rendered":"https:\/\/swoer.com\/?post_type=product&p=4052"},"modified":"2026-05-22T11:52:55","modified_gmt":"2026-05-22T03:52:55","slug":"vibrating-feeder-with-soundproof-cover-acoustic-cover","status":"publish","type":"product","link":"https:\/\/swoer.com\/bn\/manufacturer\/vibrating-feeder-with-soundproof-cover-acoustic-cover\/","title":{"rendered":"Vibrating Feeder with Soundproof Cover-Acoustic cover"},"content":{"rendered":"
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With a Soundproof Enclosure, How Low Can the Noise Level of a \u09ad\u09be\u0987\u09ac\u09cd\u09b0\u09c7\u099f\u09b0\u09bf \u09ac\u09cb\u09b2 \u09ab\u09bf\u09a1\u09be\u09b0<\/a> Be Reduced?<\/span><\/h3>\n

The noise reduction achieved by adding a soundproof enclosure (acoustic cover) to a vibratory bowl feeder depends on several factors, but general estimates are as follows:<\/span><\/p>\n

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I. Typical Noise Levels<\/span><\/h4>\n
\n\n\n\n\n\n\n\n
Condition<\/span><\/th>\nTypical Noise Level (dBA)<\/span><\/th>\n<\/tr>\n<\/thead>\n
Bare bowl (no enclosure)<\/span><\/strong><\/td>\n85 \u2013 100 dBA (varies with part size, material, bowl size, and vibration amplitude)<\/span><\/td>\n<\/tr>\n
With standard soundproof enclosure<\/span><\/strong><\/td>\n70 \u2013 80 dBA<\/span><\/td>\n<\/tr>\n
With high\u2011performance enclosure + additional damping<\/span><\/strong><\/td>\n65 \u2013 75 dBA (some premium enclosures claim \u226475 dBA at 1 meter)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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\u09ac\u09bf\u0983\u09a6\u09cd\u09b0\u0983:<\/span><\/strong>\u00a0A reduction of 10 dBA is perceived by the human ear as approximately\u00a0<\/span>half as loud<\/span><\/strong>.<\/span><\/p>\n<\/blockquote>\n

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II. Factors Affecting Noise Reduction<\/span><\/h4>\n
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  1. \n

    Enclosure design<\/span><\/strong>\u00a0\u2013 Thicker acoustic foam, sealed seams, and double\u2011wall construction improve performance.<\/span><\/p>\n<\/li>\n

  2. \n

    Material of enclosure<\/span><\/strong>\u00a0\u2013 Steel with internal sound\u2011absorbing lining works better than thin plastic.<\/span><\/p>\n<\/li>\n

  3. \n

    Part characteristics<\/span><\/strong>\u00a0\u2013 Small, hard parts (e.g., screws, metal clips) are louder than soft, large parts.<\/span><\/p>\n<\/li>\n

  4. \n

    Bowl size and vibration amplitude<\/span><\/strong>\u00a0\u2013 Larger bowls and higher amplitudes generate more noise.<\/span><\/p>\n<\/li>\n

  5. \n

    Ventilation openings<\/span><\/strong>\u00a0\u2013 Openings for cooling or part flow reduce noise reduction efficiency.<\/span><\/p>\n<\/li>\n

  6. \n

    Floor\/installation surface<\/span><\/strong>\u00a0\u2013 Hard surfaces reflect noise; soft mounts or rubber feet help.<\/span><\/p>\n<\/li>\n<\/ol>\n

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    III. Practical Expectations<\/span><\/h4>\n
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    Enclosure Type<\/span><\/th>\nExpected Noise Level (at 1 m distance)<\/span><\/th>\nTypical Reduction<\/span><\/th>\n<\/tr>\n<\/thead>\n
    No enclosure<\/span><\/strong><\/td>\n90 \u2013 95 dBA (typical metal parts)<\/span><\/td>\n\u2013<\/span><\/td>\n<\/tr>\n
    Basic acrylic cover (unlined)<\/span><\/strong><\/td>\n80 \u2013 85 dBA<\/span><\/td>\n5 \u2013 10 dBA<\/span><\/td>\n<\/tr>\n
    Steel cover with acoustic foam lining<\/span><\/strong><\/td>\n72 \u2013 78 dBA<\/span><\/td>\n12 \u2013 20 dBA<\/span><\/td>\n<\/tr>\n
    High\u2011performance double\u2011wall enclosure<\/span><\/strong><\/td>\n65 \u2013 70 dBA<\/span><\/td>\n20 \u2013 25 dBA<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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    IV. Measuring Conditions<\/span><\/h4>\n

    To get a meaningful noise level reading, measurements should be taken:<\/span><\/p>\n

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      \u098f\u00a0<\/span>1 meter distance<\/span><\/strong>\u00a0from the bowl (operator position)<\/span><\/p>\n<\/li>\n

    • \n

      With the bowl\u00a0<\/span>running at normal operating speed<\/span><\/strong>\u00a0and part load<\/span><\/p>\n<\/li>\n

    • \n

      With the enclosure\u00a0<\/span>fully closed<\/span><\/strong>\u00a0(no gaps)<\/span><\/p>\n<\/li>\n

    • \n

      In a\u00a0<\/span>typical factory environment<\/span><\/strong>\u00a0(not an anechoic chamber)<\/span><\/p>\n<\/li>\n<\/ul>\n

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      V. Example from Industry<\/span><\/h4>\n

      A common specification from vibratory bowl manufacturers with standard soundproof enclosures:<\/span><\/p>\n

      \n

      “With enclosure, noise level \u226475 dBA at 1 meter for typical part sizes.”<\/span><\/strong><\/p>\n<\/blockquote>\n

      For very loud applications (e.g., feeding heavy steel parts), the noise may still be 75\u201380 dBA even with an enclosure. In such cases, additional measures (damped bowl, rubber\u2011coated track, lower amplitude) may be needed.<\/span><\/p>\n

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      Summary Table<\/span><\/h3>\n
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      <\/div>\n<\/div>\n\n\n\n\n\n\n\n
      Scenario<\/span><\/th>\nTypical Noise Level<\/span><\/th>\nReduction vs. Bare Bowl<\/span><\/th>\n<\/tr>\n<\/thead>\n
      Bare bowl (no enclosure)<\/span><\/strong><\/td>\n90 \u2013 100 dBA<\/span><\/td>\n\u2013<\/span><\/td>\n<\/tr>\n
      Standard soundproof enclosure<\/span><\/strong><\/td>\n72 \u2013 80 dBA<\/span><\/strong><\/td>\n10 \u2013 20 dBA<\/span><\/strong><\/td>\n<\/tr>\n
      High\u2011performance enclosure<\/span><\/strong><\/td>\n65 \u2013 75 dBA<\/span><\/strong><\/td>\n20 \u2013 25 dBA<\/span><\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n
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      Minimize the noise by using the soundproof cover<\/p>","protected":false},"featured_media":4048,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_cat":[37],"product_tag":[],"yoast_head":"\nVibrating Feeder with Soundproof Cover-Acoustic cover - SWOER<\/title>\n<meta name=\"description\" content=\"Vibrating Feeder with Soundproof Cover-Acoustic cover\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/swoer.com\/bn\/manufacturer\/vibrating-feeder-with-soundproof-cover-acoustic-cover\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Vibrating Feeder with Soundproof Cover-Acoustic cover - SWOER\" \/>\n<meta property=\"og:description\" content=\"Vibrating Feeder with Soundproof Cover-Acoustic cover\" \/>\n<meta property=\"og:url\" content=\"https:\/\/swoer.com\/bn\/manufacturer\/vibrating-feeder-with-soundproof-cover-acoustic-cover\/\" \/>\n<meta property=\"og:site_name\" content=\"SWOER\" \/>\n<meta property=\"og:image\" content=\"https:\/\/swoer.com\/wp-content\/uploads\/2026\/05\/66134a4fc8ea9055e4f2dd1cf1cd4e23_\u526f\u672c.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"801\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\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=\"2 \u09ae\u09bf\u09a8\u09bf\u099f\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/swoer.com\/manufacturer\/vibrating-feeder-with-soundproof-cover-acoustic-cover\/\",\"url\":\"https:\/\/swoer.com\/manufacturer\/vibrating-feeder-with-soundproof-cover-acoustic-cover\/\",\"name\":\"Vibrating Feeder with Soundproof Cover-Acoustic cover - 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