Some possibilities for reducing circular saw idling noise
The sound pressure level of differently designed circular saw blades were investigated during idling. Nine blade samples were used: three differently designed blade bodies (without slots, with four radial slots, and with four slots with copper cork), each with three diameters (260, 280, and 300mm)....
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| Veröffentlicht in: | Journal of wood science 2001-10, Vol.47 (5), p.389-393 |
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| creator | Beljo-Lucic. R. (University of Zagreb (Croatia)) Goglia, V |
| description | The sound pressure level of differently designed circular saw blades were investigated during idling. Nine blade samples were used: three differently designed blade bodies (without slots, with four radial slots, and with four slots with copper cork), each with three diameters (260, 280, and 300mm). The sound pressure level was measured at different rotational frequencies ranging from 25 to 65rps in increments of 1rps. Rubber damping rings 80mm in diameter and 0.3mm thick were placed between the saw blade and the collars, and the emitted noise was measured. Because of the whistling sound the blades without slots emitted high sound pressure levels. There were no significant changes when rubber damping rings were used. The use of rubber damping rings on the samples with radial slots eliminates the whistling noise. The saws with copper corks did not emit a whistling noise at all, and their aerodynamic noise was 2-3dB(A) lower than the. aerodynamic noise of the saws with radial slots. The relation between sound pressure emitted by the damped idling saw and peripheral velocity can be described by the power function with the exponent value between 4.8 and 5.2. |
| doi_str_mv | 10.1007/BF00766791 |
| format | Article |
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R. (University of Zagreb (Croatia)) ; Goglia, V</creator><creatorcontrib>Beljo-Lucic. R. (University of Zagreb (Croatia)) ; Goglia, V</creatorcontrib><description>The sound pressure level of differently designed circular saw blades were investigated during idling. Nine blade samples were used: three differently designed blade bodies (without slots, with four radial slots, and with four slots with copper cork), each with three diameters (260, 280, and 300mm). The sound pressure level was measured at different rotational frequencies ranging from 25 to 65rps in increments of 1rps. Rubber damping rings 80mm in diameter and 0.3mm thick were placed between the saw blade and the collars, and the emitted noise was measured. Because of the whistling sound the blades without slots emitted high sound pressure levels. There were no significant changes when rubber damping rings were used. The use of rubber damping rings on the samples with radial slots eliminates the whistling noise. The saws with copper corks did not emit a whistling noise at all, and their aerodynamic noise was 2-3dB(A) lower than the. aerodynamic noise of the saws with radial slots. The relation between sound pressure emitted by the damped idling saw and peripheral velocity can be described by the power function with the exponent value between 4.8 and 5.2.</description><identifier>ISSN: 1435-0211</identifier><identifier>EISSN: 1611-4663</identifier><identifier>DOI: 10.1007/BF00766791</identifier><language>eng</language><publisher>Tokyo: Springer</publisher><subject>Aerodynamic noise ; Applied sciences ; Circular saws ; Collars ; Copper ; Damping ; Exact sciences and technology ; Idling ; Mechanical woodworking and drying ; NOISE ; Noise levels ; Noise reduction ; Polymer industry, paints, wood ; Rubber ; Saw blades ; SAWING ; SAWS ; Sound pressure ; Wood ; Wood. Paper. 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(University of Zagreb (Croatia))</creatorcontrib><creatorcontrib>Goglia, V</creatorcontrib><title>Some possibilities for reducing circular saw idling noise</title><title>Journal of wood science</title><description>The sound pressure level of differently designed circular saw blades were investigated during idling. Nine blade samples were used: three differently designed blade bodies (without slots, with four radial slots, and with four slots with copper cork), each with three diameters (260, 280, and 300mm). The sound pressure level was measured at different rotational frequencies ranging from 25 to 65rps in increments of 1rps. Rubber damping rings 80mm in diameter and 0.3mm thick were placed between the saw blade and the collars, and the emitted noise was measured. Because of the whistling sound the blades without slots emitted high sound pressure levels. There were no significant changes when rubber damping rings were used. The use of rubber damping rings on the samples with radial slots eliminates the whistling noise. The saws with copper corks did not emit a whistling noise at all, and their aerodynamic noise was 2-3dB(A) lower than the. aerodynamic noise of the saws with radial slots. The relation between sound pressure emitted by the damped idling saw and peripheral velocity can be described by the power function with the exponent value between 4.8 and 5.2.</description><subject>Aerodynamic noise</subject><subject>Applied sciences</subject><subject>Circular saws</subject><subject>Collars</subject><subject>Copper</subject><subject>Damping</subject><subject>Exact sciences and technology</subject><subject>Idling</subject><subject>Mechanical woodworking and drying</subject><subject>NOISE</subject><subject>Noise levels</subject><subject>Noise reduction</subject><subject>Polymer industry, paints, wood</subject><subject>Rubber</subject><subject>Saw blades</subject><subject>SAWING</subject><subject>SAWS</subject><subject>Sound pressure</subject><subject>Wood</subject><subject>Wood. Paper. Non wovens</subject><subject>WOODWORKING EQUIPMENT</subject><subject>WORKING CONDITIONS</subject><issn>1435-0211</issn><issn>1611-4663</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNpFkN9LwzAQx4MoOKcvvgsF8UWo5nJp2j7qcP5goODeS5peRkbX1mRF_O_N2GBw3B3H577HfRm7Bv4AnOePz_OYlcpLOGETUACpVApPYy8xS7kAOGcXIax5bGWOE1Z-9xtKhj4EV7vWbR2FxPY-8dSMxnWrxDhvxlb7JOjfxDXtbtb1LtAlO7O6DXR1qFO2nL8sZ2_p4vP1ffa0SA3KbJsi5A02lupMoMryWlODBaIFTSg5lkRKmAZqErYxkFuKPNXCYo5KaY1TdruXHXz_M1LYVut-9F28WAmRlVgASIjU_Z4yPr7iyVaDdxvt_yrg1c6Z6uhMhO8OkjoY3VqvO-PCcUNCBKWI3M2es7qv9MpH5uNLROtiFFmB_4eiarg</recordid><startdate>20011001</startdate><enddate>20011001</enddate><creator>Beljo-Lucic. R. 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(University of Zagreb (Croatia)) ; Goglia, V</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c345t-317d3dfeb523657baed3833f1ae34039ee62cd1be2fdc17fe17deb2f37366aa3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>Aerodynamic noise</topic><topic>Applied sciences</topic><topic>Circular saws</topic><topic>Collars</topic><topic>Copper</topic><topic>Damping</topic><topic>Exact sciences and technology</topic><topic>Idling</topic><topic>Mechanical woodworking and drying</topic><topic>NOISE</topic><topic>Noise levels</topic><topic>Noise reduction</topic><topic>Polymer industry, paints, wood</topic><topic>Rubber</topic><topic>Saw blades</topic><topic>SAWING</topic><topic>SAWS</topic><topic>Sound pressure</topic><topic>Wood</topic><topic>Wood. Paper. Non wovens</topic><topic>WOODWORKING EQUIPMENT</topic><topic>WORKING CONDITIONS</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Beljo-Lucic. R. (University of Zagreb (Croatia))</creatorcontrib><creatorcontrib>Goglia, V</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Science Database</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Materials Science Collection</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><jtitle>Journal of wood science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Beljo-Lucic. 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Because of the whistling sound the blades without slots emitted high sound pressure levels. There were no significant changes when rubber damping rings were used. The use of rubber damping rings on the samples with radial slots eliminates the whistling noise. The saws with copper corks did not emit a whistling noise at all, and their aerodynamic noise was 2-3dB(A) lower than the. aerodynamic noise of the saws with radial slots. The relation between sound pressure emitted by the damped idling saw and peripheral velocity can be described by the power function with the exponent value between 4.8 and 5.2.</abstract><cop>Tokyo</cop><pub>Springer</pub><doi>10.1007/BF00766791</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Aerodynamic noise Applied sciences Circular saws Collars Copper Damping Exact sciences and technology Idling Mechanical woodworking and drying NOISE Noise levels Noise reduction Polymer industry, paints, wood Rubber Saw blades SAWING SAWS Sound pressure Wood Wood. Paper. Non wovens WOODWORKING EQUIPMENT WORKING CONDITIONS |
| title | Some possibilities for reducing circular saw idling noise |
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