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DND大撓度金屬彈簧隔振器

DND大撓度金屬彈簧隔振器

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DND大撓度金屬彈簧隔振器

DND-type large deflection of the metal spring isolator

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DND型大撓度金屬彈簧隔振器是由焊接鋼板和金屬彈簧阻尼橡膠組合而成,具有大變形、低頻性和高穩定性,分單組彈簧和雙組彈簧,底板配有氯丁橡膠消聲防滑墊。產品撓度分為25mm(1吋)、50mm(2吋)、75mm(3吋)、100mm(4吋),出廠時按撓度大小不同預壓1/3,中間配有高度調節螺栓螺母作調校,在設備安裝前後重量改變時,能使總體高度調整一致,避免管路標高發生錯位。由於彈簧采用大直徑,額定重量下的壓縮高度之比大於80%,橫向剛度大於垂直剛度,極限載荷與最大工作載荷之比大於1.6倍。具有材料應力小、抗疲勞、壽命長等優點,在產品兩側附設一個垂直限位裝置以控製設備重量一旦被卸載時不會被提升,在正常操作時,限位器須與彈簧隔振器各部分不接觸。

DND type deflection spring vibration isolator is a metal plate and weld metal spring damping rubber combination,with a large deformation,low-frequency and high stability,single-group springs and dual springs,floor muffer with neoprene non-slip mat.Product deflection is divided into 25mm(1 inch),50mm(2 inch),75mm(3 inch),100mm(4 inch),deflection of different size according to factory preload 1/3,the middle bolt with nut for adjusting height adjustment,change in weight before and after installation,the same can adjust the overall height,to avoid the occurrence of dislocations pipe elevation.Because the spring with large diameter,rated under the weight of the compression ratio of the height of more than 80%,horizontal than vertical stiffness,ultimate load and the ratio of maxium working load more than 1.6 times.With materials stress,fatigue,and long lifetime of the product on both side of the vertical limit device is not being promoted,in normal operation,the stopper with spring vibration isolator to be parts do not touch.

DND-1型產品技術特性表

Technological characteristic table

型號 Type 最大承載N maximum load 不同撓度H mm Different deflection H mm W L1 L2 d M1
25 50 75 100
DND-1-50 500 130 150 175 200 100 150 120 12 M10
DND-1-100 1000 130 150 175 200 100 150 120 12 M10
DND-1-200 2000 180 200 225 250 140 240 200 14 M12
DND-1-400 4000 180 200 225 250 140 240 200 14 M12
DND-1-600 6000 210 230 255 280 160 270 230 16 M14
DND-1-800 8000 210 230 255 280 160 270 230 16 M14
DND-1-1200 12000 230 255 280 310 190 300 260 18 M20
DND-1-1800 18000 230 255 280 310 190 300 260 18 M20
DND-1-2500 25000 230 255 280 310 190 300 260 18 M20
DND-1-3500 35000 250 275 300 320 320 330 280 22 M24
DND-1-5000 50000 250 275 300 320 320 330 280 22 M24

DND-2型(雙組彈簧)簡圖

DND-2型產品技術特性表

Technological characteristic table

型號 Type 最大承載N maximum load 不同撓度H mm Different deflection H mm W L1 L2 d M1
25 50 75 100
DND-2-400 4000 180 200 225 250 140 380 340 14 M12
DND-2-600 6000 210 230 255 280 160 430 390 16 M14
DND-2-800 8000 210 230 255 280 160 430 390 16 M14
DND-2-1200 12000 230 255 280 310 190 490 450 18 M20
DND-2-2000 20000 230 255 280 310 190 490 450 18 M20
DND-2-3000 30000 250 275 300 320 210 540 490 22 M24
DND-2-4000 40000 250 275 300 320 210 540 490 22 M24
DND-2-6000 60000 270 295 320 345 230 600 550 26 M26
DND-2-8000 80000 270 295 320 345 230 600 550 26 M26
DND-2-10000 100000 300 325 350 380 250 650 600 30 M27

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