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JG型橡膠剪切隔振器 JSD型低頻橡膠隔振器

JG型橡膠剪切隔振器 JSD型低頻橡膠隔振器

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JG型橡膠剪切隔振器

JG rubber shearing vibration absorber

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JG型橡膠剪切隔振器是由內、外鋼套和中間的合成橡膠組成,經硫化呈中空圓錐體,橡膠部份受剪切力,具有較大的變形範圍和較低的固有頻率。工作溫度範圍在-15℃-+80℃。溫度變化時,剛度也有所變化:阻尼比C/C。≥0.07。對於水泵、壓縮機、通風機、發電機組、冷凍機等機械設備的積極隔振和儀器儀表的消極隔振都有良好的隔振效果。

JG rubber shearing vibration absorber is com-posed of outer and inside steel sheath and synthetic rubber in the middle.It is hollow cone after being vulcanized.It is the rubber parts that bears the shear. This type has wide distortion scope and low intrinsic frequency.Working temperature ranges from -15℃ to 80℃.Rigidity changes as the tempera-ture fluctuates.Damp ratio is great and equal than 0.07 .It plays an important role in vibration insulating positively of mechanical equipment like water pump, compressor, ventilator, dynamo, refriger-ator and vibration insulating passively for instru-ment and apparatus.

JG型橡膠剪切隔振器技術參數表

Technological parameter table

型號 Type 外形尺寸 figure dimension 額定荷載最小-最大(kg) rating load 剛度(kg/cm) rigidity 變形(mm) distortion 固有頻率(Hz) intrinsic frequency 最佳荷載(kg) rating load
M D D1 H d0
JG1-1 JG1-2 M10 M10 100 100 80 80 43 43 8.5 8.5 5-15 10-30 20 36 2-18 8-14 10 20
JG2-1 JG2-2 M12 M12 150 150 120 120 55 55 12 12 20-60 40-120 60 90 4-12 7-12 40 80
JG3-1 JG3-2 M16 M16 200 200 170 170 87 87 12.5 12.5 80-240 160-480 120 200 5-16 6-11 160 320
JG4-1 JG4-2 M20 M20 200 200 170 170 100 100 16 16 320-960 640-1920 300 650 8-24 5-9 640 1280

JSD型低頻橡膠隔振器

JSD low frequency rubber vibration absorber

JSD型低頻橡膠隔振器是由金屬和橡膠複合製成,表麵全部包覆橡膠,可防止金屬鏽蝕。額定載荷下固有頻率為國內務型號橡膠隔振器中最低,適宜於轉速大於600轉/分的風機、水泵、空壓機、製冷機等動力機械的基礎隔振降噪,尤其適用於立式水泵的基礎隔振,詳見《立式水泵隔振及其安裝》,國家標準圖95SS658;等頻性好,當大於額定載荷後,隔振器的固有頻率保持不變;阻尼比大,對共振峰的抑製能力強;結構簡單、安裝方便,可直接安裝在機座下,同時也可用地基螺栓固定安裝,使用安全可靠,十四種規格,六種外形尺寸,載荷範圍為30N~25000N,耐油、海水、鹽、霧禾口日照等,適用於一25~+117℃溫度範圍。載荷範圍為額定載荷上下50%。

Metal and rubber is composed JSD of low frequ-ency rubber vibration absorber Surface is covered with rubber,so it can resist corrosion.It has the lowest intrinsic frequency under rating load among various types of rubber vibration absorber in dom-estic.It is suitable for revolution velocity of power engine which is greater than 600 rpm like fan engine, water pump,air compressor and refriger-ator,is useful specially to basic vibration insul-ating for vertical water pump,Detailed information can refer to vibration insulating and installment of the vertical water pump, national standard graph 95SS658. It has good capability of equal frequency. Its intrinsic frequency is constant when the load is greater than rating load.It has large damp ratio.can control formant effectively.With simple structure,it can be installed under the engine base or fixed with base bo1t, is safe and reliable.There are 14 specifications,6 figure dimensions.Load scope is 30N to 25000N.Resisting to grease,sea water, salt, fog and sunlight,its working temperature is -25℃ to 117℃,load scope is above and blew 50% of the rating 1oad.

外形安裝尺寸及技術狀態圖

Figure install dimension and technological state graph

型號 Type 額定載荷(kg) rating load 靜態變形(mm) static distortion 固有頻率(Hz) intrinsic frequency 阻尼比(C/Cc) damp ratio M D D1 H h d
JSD-1 3-10 6-15 5-7.5 0.07 8 90 70 43 7 8.5
JSD-2 8-15 6-15 5-7.5 0.07 10 140 120 63 7 8.5
JSD-30 15-30 6-15 5-7.5 0.07 12 150 120 55 9 12
JSD-50 25-50 6-15 5-7.5 0.07 12 150 120 55 9 12
JSD-85 50-85 6-15 5-7.5 0.07 14 200 170 75 9 12
JSD-120 85-120 6-15 5-7.5 0.07 14 200 170 75 9 12
JSD-150 110-150 6-15 5-7.5 0.07 16 200 170 85 9 14
JSD-210 150-210 6-15 5-7.5 0.07 16 200 170 85 9 14
JSD-330 210-330 6-15 5-7.5 0.07 18 200 170 95 9 14
JSD-530 330-530 6-15 5-7.5 0.07 18 200 170 95 9 14
JSD-650 530-650 6-15 5-7.5 0.07 20 200 170 100 9 14
JSD-850 650-850 6-15 5-7.5 0.07 20 200 170 100 9 14
JSD-1250 850-1250 6-15 5-7.5 0.07 20 200 170 100 9 14
JSD-1800 1250-1800 6-15 5-7.5 0.07 20 200 170 100 9 14
JSD-2500 1800-2500 6-15 5-7.5 0.07 20 200 170 100 9 14

其中JSD-150、JSD-330、JSD-530底部安裝孔可改為腰形二孔供選擇。

Mounting hole at the bottom of JSD-150, JSD-330, JSD-530 Can be changed to Kidney-shaped hole for the second choice.


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