{"id":4755,"date":"2026-11-13T14:32:46","date_gmt":"2026-11-13T06:32:46","guid":{"rendered":"https:\/\/swoer.com\/?post_type=product&p=4755"},"modified":"2026-11-13T14:32:46","modified_gmt":"2026-11-13T06:32:46","slug":"vibratory-bowl-feeder-with-soundproof-cover","status":"publish","type":"product","link":"https:\/\/swoer.com\/ja\/manufacturer\/vibratory-bowl-feeder-with-soundproof-cover\/","title":{"rendered":"\u9632\u97f3\u30ab\u30d0\u30fc\u4ed8\u304d\u632f\u52d5\u30dc\u30a6\u30eb\u30d5\u30a3\u30fc\u30c0\u30fc"},"content":{"rendered":"

How much can a soundproof enclosure reduce the noise of a \u632f\u52d5\u30dc\u30a6\u30eb\u30d5\u30a3\u30fc\u30c0\u30fc<\/a>?<\/span><\/strong><\/p>\n

\n

I. Quick Answer<\/span><\/h3>\n

A properly designed soundproof enclosure can typically reduce vibratory bowl feeder noise by\u00a0<\/span>10\u201325 dBA<\/span><\/strong>, bringing the noise level down to\u00a0<\/span>65\u201380 dBA<\/span><\/strong>\u00a0at 1 meter from the source, depending on the enclosure quality, bowl size, part type, and installation conditions.<\/span><\/p>\n

\n

II. Typical Noise Reduction<\/span><\/h3>\n
\n
\n
<\/div>\n<\/div>\n\n\n\n\n\n\n\n\n
Condition<\/span><\/th>\nNoise Level (dBA at 1 m)<\/span><\/th>\nReduction vs. Bare Bowl<\/span><\/th>\n<\/tr>\n<\/thead>\n
Bare bowl (no enclosure)<\/span><\/strong><\/td>\n85\u2013100 dBA<\/span><\/td>\n\u2014<\/span><\/td>\n<\/tr>\n
Basic acrylic cover (unlined)<\/span><\/strong><\/td>\n80\u201385 dBA<\/span><\/td>\n5\u201310 dBA<\/span><\/td>\n<\/tr>\n
Steel cover with acoustic foam lining<\/span><\/strong><\/td>\n72\u201380 dBA<\/span><\/td>\n10\u201320 dBA<\/span><\/td>\n<\/tr>\n
High-performance double-wall enclosure<\/span><\/strong><\/td>\n65\u201375 dBA<\/span><\/td>\n20\u201325 dBA<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\n

\u6ce8\u8a18\uff1a<\/span><\/strong>\u00a0A 10 dBA reduction is perceived by the human ear as approximately\u00a0<\/span>half as loud<\/span><\/strong>.<\/span><\/p>\n<\/blockquote>\n

\n

III. Factors Affecting Noise Reduction<\/span><\/h3>\n
\n
\n
<\/div>\n
<\/div>\n<\/div>\n\n\n\n\n\n\n\n\n\n\n
Factor<\/span><\/th>\nImpact<\/span><\/th>\n<\/tr>\n<\/thead>\n
Enclosure design<\/span><\/strong><\/td>\nThicker acoustic foam, sealed seams, and double-wall construction improve performance<\/span><\/td>\n<\/tr>\n
\u6750\u6599<\/span><\/strong><\/td>\nSteel with internal sound-absorbing lining works better than thin plastic<\/span><\/td>\n<\/tr>\n
Part characteristics<\/span><\/strong><\/td>\nSmall, hard parts (screws, metal clips) are louder than soft, large parts<\/span><\/td>\n<\/tr>\n
Bowl size and vibration amplitude<\/span><\/strong><\/td>\nLarger bowls and higher amplitudes generate more noise<\/span><\/td>\n<\/tr>\n
Ventilation openings<\/span><\/strong><\/td>\nOpenings for cooling or part flow reduce noise reduction efficiency<\/span><\/td>\n<\/tr>\n
Installation surface<\/span><\/strong><\/td>\nHard surfaces reflect noise; rubber feet or soft mounts help<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\n

IV. Practical Expectation<\/span><\/h3>\n
\n
\n
<\/div>\n<\/div>\n\n\n\n\n\n\n\n\n
Enclosure Type<\/span><\/th>\nExpected Noise Level<\/span><\/th>\nTypical Reduction<\/span><\/th>\n<\/tr>\n<\/thead>\n
No enclosure<\/span><\/strong><\/td>\n90\u201395 dBA (typical metal parts)<\/span><\/td>\n\u2014<\/span><\/td>\n<\/tr>\n
Basic cover<\/span><\/strong><\/td>\n80\u201385 dBA<\/span><\/td>\n5\u201310 dBA<\/span><\/td>\n<\/tr>\n
Standard soundproof enclosure<\/span><\/strong><\/td>\n72\u201380 dBA<\/span><\/td>\n10\u201320 dBA<\/span><\/td>\n<\/tr>\n
High-performance enclosure<\/span><\/strong><\/td>\n65\u201375 dBA<\/span><\/td>\n20\u201325 dBA<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Example from industry:<\/span><\/strong>\u00a0A common specification from vibratory bowl manufacturers with standard soundproof enclosures is\u00a0<\/span>\u226475 dBA at 1 meter<\/span><\/strong>\u00a0for typical part sizes.<\/span><\/p>\n

\n

V. Measuring Conditions<\/span><\/h3>\n

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

    \n
  • \n

    \u3067\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

    \n

    VI. Summary Table<\/span><\/h3>\n
    \n
    \n
    <\/div>\n
    <\/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\u2013100 dBA<\/span><\/td>\n\u2014<\/span><\/td>\n<\/tr>\n
    Standard soundproof enclosure<\/span><\/strong><\/td>\n72\u201380 dBA<\/span><\/td>\n10\u201320 dBA<\/span><\/td>\n<\/tr>\n
    High-performance enclosure<\/span><\/strong><\/td>\n65\u201375 dBA<\/span><\/td>\n20\u201325 dBA<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>","protected":false},"excerpt":{"rendered":"

    Vibratory bowl feeder with soundproof cover -low noise-high speed with good price.<\/p>","protected":false},"featured_media":4756,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_cat":[37],"product_tag":[],"class_list":["post-4755","product","type-product","status-publish","has-post-thumbnail","product_cat-vibratory-bowl-feeder","first","instock","shipping-taxable","product-type-simple"],"yoast_head":"\nVibratory bowl feeder with soundproof cover - SWOER<\/title>\n<meta name=\"description\" content=\"Vibratory bowl feeder with soundproof cover -low noise-high speed with good price.\" \/>\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\/ja\/manufacturer\/vibratory-bowl-feeder-with-soundproof-cover\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Vibratory bowl feeder with soundproof cover - 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