1 พารามิเตอร์ผลิตภัณฑ์:
รายการ
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พารามิเตอร์
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ความกว้างที่มีประสิทธิภาพ
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1,000 มม.
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ความหนา
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50 มม. / 75 มม. / 100 มม....
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แผ่นเหล็กด้านใน
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ควรใช้แผ่นเหล็กเคลือบสีที่เจาะรูแล้ว ความหนา 0.5 ~ 0.6 มม. ซี่โครงแบน (เส้นผ่านศูนย์กลางรู 3 มม. ระยะห่างของรูตรงกลาง 5 มม. การจัดรู 60 ° อัตรารูเปิด 32.7%)
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แผ่นปิดหน้าแบบเจาะรู
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วัสดุป้องกันใบหน้า ผ้าไม่ทอกันน้ำ มีความทนทานสูง
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ประเภทแกน
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ขนหินที่ไม่ชอบน้ำคุณภาพสูง 100~120 กก./ลบ.ม
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แผ่นเหล็กด้านนอก
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แผ่นเหล็กเคลือบสีคุณภาพสูง หนา 0.6-0.7 มม. Lishui ripple
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แบบฟอร์มปากองค์กร
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Colorpod SD-0/SD-20
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วิธีการคงที่
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การติดเล็บแบบซ่อน
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ประสิทธิภาพการดูดซับเสียง (ความหนา 50 มม.)
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Noise reduction coefficient NRC= 0.75100~5000 Hz The average sound absorption coefficient is 0.64 For high-frequency industrial noise (3150~5000 Hz), the average sound absorption coefficient is 0.68
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Sound insulation performance (50mm thick)
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Weighted sound insulation Rw= 34 dB For high-frequency industrial noise (3150~5000 Hz), the amount of sound insulation is 40~50 dB
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Mechanical properties
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The bending load carrying capacity is comparable to that of ordinary sandwich panels
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2 Product Characteristics:
Key innovation points
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Basis
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Key parameter design of CESAC sandwich panels
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Noise spectrum analysis
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Acoustic measurement of the acoustic properties of materials, human auditory system
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Professional-grade acoustic spectrum analysis at 20Hz~20000Hz frequency acoustic test analysis
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Hole type is preferred
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The law between pore type and sound absorption
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Select the pore type parameters and select the punching plate with good acoustic performance
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Punching form
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Low, medium and high frequency balanced absorption
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Choose the way the punching bar is punched along the plate length direction to design the plate width of 1000 and the punching strip width of 250
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Acoustic performance
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Scientific testing by third-party authoritative institutions
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The sound absorption and sound insulation performance are both excellent, reducing the noise sound pressure in the workshop by about 1/3, and significantly improving the occupational health level of the factory
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Bonding process
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Sound absorption principle and influencing factors of porous materials
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Bond only in non-punched areas to meet the porous sound absorption rules
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Core material selection
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The sound absorption principle of porous materials and the influence of influencing factors on the sound absorption performance
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The core material is "rock wool", not polyurethane and glass wool
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Continuous production
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Standardize production requirements
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Enable continuous production
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Mechanical properties
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Meet the requirements of façade applications
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The bending bearing capacity is basically the same as that of the non-punched plate to meet the requirements of the façade application
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3 Product Qualifications
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4 Product Knowledges:
4.1
What it means from 62.4dB lower to 47.2dB ?
Industrial Noise→Convalescent environment
GB 3096-2008 Sound Environment Quality Standard—Table 1 Environmental Noise Limits Unit: dB(A)
Acoustic Environment ribbon category
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Example of the Acoustic Environment ribbon
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Daytime
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Class 0
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Rehabilitation areas, etc., especially quiet areas are needed
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50
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Class 1
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Residential, cultural and educational areas that need to be kept quiet
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55
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Class 2
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Commercial finance, market trade, etc., need to maintain a quiet area of residence
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60
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Class 3
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Industrial production, etc., industrial noise
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65
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Class 4
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4a: Highways, etc., traffic noise; 4b: Railway trunk lines, etc., traffic noise
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70
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4.2
The Noise hazard
1
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Noise impairs hearing organs
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Tinnitus, hearing deviation, noise deafness.
2
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Noise causes a variety of diseases: central nervous system, cerebral cortex imbalance.
Headaches, dizziness, insomnia and general fatigue.
Still can make heart rate is accelerated, heart rate is irregular, blood pressure rises.
3
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The influence of noise on normal life: studies show that 45dB noise begins to affect normal people's sleep.
The noise near the factory is sometimes as high as 70~80dB, which will affect people's conversation, lectures and meetings.
4
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Noise reduces labor productivity: in a noisy environment, people are irritable, easy to fatigue, and slow reaction.
The effect of noise on precision processing or mental work is more obvious.
When the noise of a switchboard is reduced from 50dB to 30dB, the error rate can be reduced by 42%.
In addition, due to the psychological effect of noise, distracting people's attention, but also
easy to cause industrial accidents.
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0 -20dB
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Silence, barely audible
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20-40dB
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Quiet and talk quietly
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40-60dB
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Average, average indoor speech
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60-70dB
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Loud, loud talk
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70dB
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The maximum noise that the EPA d etermines humans can tolerate (without hearing loss, sleep disturbances, anxiety , learning disabilities, etc.)
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70-90dB
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It's noisy and it damages n erve cells
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90-120dB
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Extremely loud, damage hearing
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100-120dB
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You go temporarily deaf in space in
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120dB
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The highest volume audible to the human ear
4.3 Industrial noise and classification
Industrial noise: refers to the noise generated by the operation of mechanical equipment, classified by sound source
1) Aerodynamic noise: produced by gas vibration. Gas turbulence caused by eddy currents in the gas, or sudden changes in pressure. Such as the noise generated by fans, blowers, air compressors, and high-pressure gas when they are vented.
2) Mechanical noise: produced by mechanical impact, friction and rotation. Such as noise from crushers, ball mills, chainsaws, machine tools, etc.
3) Electromagnetic noise: It is generated by the vibration of electrical components caused by magnetic field pulsation and power frequency pulsation. Such as the noise generated by generators, transformers, and relays.