ALUMINUM CONSTRUCTION VIBRATION CHOCKS


ALUMINUM CONSTRUCTION VIBRATION CHOCKS
 So far vertical mount rubber chocks have been made as vibration suooressors; that is, te efforts have been directed to eliminate the vibraions generated by a free-standing engine. But with the ERMAKSAN made marine products, the entire propulsive power of the engine (propeller) is born by the engine mounting chocks (blocks). Because ERMAKSAN vibration chocks are designed for forward, backward, upward and downward forces, they minimize the vibrations for each position. Therefore, they are used for other apllications than marine use as well (generators, compressors etc.). The types selectable according to the weight of the engine are given in the table below.

TYPE

A

B D E F

G

H1

mm(L)inch

POZ 8

SHORE

Z

WEIGHT kg

AVT 1 139 68 M16x1.5 28 12,5 22 70 100 4" M10x20 50 150/3 0,850
AVT 1A 139 68 M16x1.5 28 12,5 22 70 100 4" M10x20 65 300/3 0,850
AVT 2 165 96 M16x1.5 28 13 25 75 133-*127 5 ¼-5" M12x20 65 500/3 1,580
AVT 2A 165 96 M18x1.5 28 13 25 75 133-*127 5 ¼-5"  M12x20 65 500/3 1,580
AVT 2B 165 96 M20x1.5 28 13 25 75 133-*127 5 ¼-5" M12x20 65 500/3 1,580
AVT 3 183 104 M24x2 33 16 27 90 140-*127 5 1/2"-5" M14x25 70 800/3 2,120

Z: According to weight / avarege stretchching quantity (kg/mm)


 

  ALUMINUM CONSTRUCTION VIBRATION INSULATOR (3A-4-4A-5-6)


 ALUMINUM CONSTRUCTION VIBRATION INSULATOR (3A-4-4A-5-6)

 AVT (3A-4-4A-5-6) are the vibration insulators that able to carry more loads with respect to other models (AVT 1-1A-2-2A-2B-3) and when they are placed under the machines in the marines, with the No. 5 tool (motor adjuster nut), it is very easy to make any required adjustments.

 In these models, during the montage, it is also possible to use No. 9 pivot nut to tighten, during the disassembly it does not need any lifter to be lifted as well and they become available for re-montage again.

 Our insulators are being produced in a variety of rigidities (Shore A). The deformation, vibration and oscillations of the insulator that it will be subjected to load, of course, will differ with accordance to the rigidity of the insulator. In marine type of motors, it is not wanted the motor’s exposition to vibration since it will harm the shaft, gear housing and bearing.

 The Selection of Vibration Insulator: In marine type motors, 1HP refers to 10 Kg (98,1N) as a repelling force. That value is close to 13 kg/HP in tugboats.

 For instance: The type of insulator and numbers of it to be used in 200HP Marine motors;

 The repelling force of 200HP motor (approximately)= 200HP x 10 Kg = 2000 kg
The type of vibration insulator that is required = 2000kg/4insulators = 500 kg/insulator

 That means, for the result, according to Z values, AVT-2 is the vibration insulator that we should use. In such values security coefficient of our insulators is 2-3. For greater values, numbers of insulators may increase to 6 or 8.

Values of forces can be transformed to Newton. 1kg=9,81N , 1000N=1kN.

For detailed information, please contact us.

TYPE

A

B C E F

G

mm(L)inch

H1 MİN H1 MAX Z

SHORE

POZ8

POZ9

WEIGHT kg

AVT -3-A 210 117 - 36 18 29 160 6 1/2" 100 115 900/3 A-70 M16X30 M24X2X100 3,300
AVT-4 235 135 - 38 19 30 180 7 1/8" 110 125 1200/3 A-70 M20X30 M24X2X110 4,450
AVT-4-A 260 145 - 38 21 30 200 7 7/8" 120 135 1800/3 A-70 M20X40 M24X2X120 5,570
AVT-5 310 185 60 36 19 35 250 9 7/8" 150 165 2500/3 A-70 M24X40 M30X2X140 10,200
AVT-6 375 250 70 40 22 38 300 11 7/8" 185 210 4000/3 A-70 M27X50 M36X3X160 17,200

Z: Acording to weight / avarage stretching quantity (kg/mm)

Note: (AVT 3-A / AVT 4 / AVT 4-A Models can be connected with bolts with bold system.

 

COPYRIGHT © ERMAKSAN GEMİ ve TEKNE YAN SANAYİİ