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Upper strut mounts of strut assembly of front suspension, series ComfortPro А 108.2902.820

Upper strut mounts of strut assembly of front suspension LADA 2108

Upper strut mounts of strut assembly of front suspension ASOMITM are rubber steel component that receives the bulk of all the loads transmitted from suspension on the body, and plays a central role in the "primary" noise and vibration isolation. Required for this rubber strut mount must be flexible in the axial direction - for better absorption of the vertical forces that make the work of the elastic element and a damping function of the strut. And quite tough in the radial direction - in order to the action of lateral forces from the road and the forces applied to the steering arm of the steering linkage, there would be no adverse kinematic changes.

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Specialists of "ASOMI Engineering", recognizing the importance of these components in the suspension, have created a fundamentally new design of the Upper strut mounts of strut assembly of front suspension. The strut mount consists of three main elements: strut mount, ball bearing (4), limiter of rebound (3) (Fig. 1).

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Fig. 1. Structure of the upper strut mounts of strut assembly of front suspension:


1.    inner case of the strut mount; 
2.    outer case;
3.    limiter of rebound;
4.    annular hearing;
5.    rubber elastic element;
6.    mounting bolts;
7.    jagged ledges.


Strut mount consists of an outer case (2) with mounting bolts (6) and the inner case (1). The space between the cases is  filled with the rubber element, vulcanised to both cases. The space between the cases is  filled with the rubber element, vulcanised to both cases.

Annular hearing is a hermetic construction with durable lubricating stuff. It has a press fit in the inner bearing housing and original coinage.

Limiter of rebound (3) is intended to limit the forces generated by the reverse movement of the wheels, and helps to absorb the energy of the released coil springs at the end of rebound. Installation of support without limiter can cause premature failure and leads to the loss of the possibility of a replacement under warranty.

After assemblage of the upper strut mount with the strut and a coil spring,on  top of the rebound limiter (3)  plastic cover is setting to prevent the ingress of water when performing car maintenance. Operation of strut mount without the cover is not allowed.

The distinguishing feature of strut mount is the original configuration of the rubber element that enables to combine optimally two basic properties of strut mount:

•    soft and advanced axial characteristic enables to get high smoothness of motion and ability to absorb high dynamic loads (Fig. 2)

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Fig.2. Axial characteristic of the upper strut mounts.


•    high rigidity of the strut in the radial direction provides smaller radial displacemen of the strut rod , improving steering sensitivity and gives the benefits in manageability, stability (Fig. 3).

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Fig. 3. Radial characteristic of the upper strut mounts.

Static and dynamic characteristics of the upper strut mounts

Parameter

Parameter value

Standard strut mounts

Strut mounts ASOMITM

2108

2110

Absolute deflection under control load 400 kgf, mm

6,7

4,7

6,5

Weight the rubber element, kg

0,073

0,160

0,288

The hardness of the rubber element, Shore A

67

63

55

Static rigidity under control load of 200 kgf, kg / cm

630

890

650

Loss angle at the frequency of 5 Hz, о

9,3

10,6

5,8

Dynamic rigidity at the frequency of 5 Hz, kg / cm

1100

1830

998

Dynamic rigidity at the frequency of 160 Hz, kg / cm

2055

3395

1350

Doubled weight of the rubber element ASOMITM compared to strut mount in basic configuration significantly improves driving comfort and reduces the overall interior noise by 1-4 dB.

Upper strut mounts of strut assembly of front suspension have the following properties that favorably distinguishes them from regular strut mounts:


•    increased product life is 2-3 times higher than the actual mileage
•    reduce the overall interior noise by 1-4 dB
•    increase the stiffness of the steering control at least by 10%
•    reduced effort at the steering wheel when you turn on the spot at least by 8%
•    improve the sensitivity of the steering "near-zero" zone
•    increase power intensity of suspension.

Upper strut mounts of strut assembly of front suspension А 108.2902.820 is designed for use in the front suspension of LADA 2108, 2115 family and its modifications.

Price of this product, you can look in the section "Price list"

ASOMI, Ltd.
49 Topolinaya st, Office 10
Togliatti, Russia 445030
Tel.: +7 (8482) 73-41-11, +7 (8482) 20-88-50
“ASOMI” Togliatti – Production of strut mounts, struts, shock absorbers, coil springs, bearings and other suspension components for LADA, Renault Logan, Ford Focus, Chevrolet Niva, Gazelle and other car brands. Auto parts and tuning for LADA automobiles.
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