Bearing life and problems

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Bearing life and problems

Source: China Bearing Network Time: 2014-02-13

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Bearing life and problems: life classification: fatigue life, wear life, fault life, life.
1. The number of exhausted life: the raw material of the primary moving parts of the bearing reaches the limit; the cumulative time before the bearing fails.
1) Additional dynamic load: the life is 10,000 rpm; the bearing can accept the load.
2) Equivalent dynamic load: refers to the assumed load of the bearing's practical load converted according to the working conditions of the dynamic load.
2, wear life: bearing due to normal wear; clearance increased to the limit of the working hours before the limit. As far as the current bearing industry level; should wear life; but in practice traction motor is the opposite.
3, the number of illnesses: bearing problems; the cumulative working hours before the loss of working capacity.
4, the use of the number of life: is the above three kinds of life refers to the general reference; in theory it refers to the fatigue life of the bearing; in normal operating conditions, the bearing wear life; in the condition is not normal; production no shortcomings ; represents the number of illnesses.
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geocell smooth side

geocell textured with hole

geocell texture side

Appliction:

The geocell is honeycombed three-dimensional grid structure which is welded by high-strength HDPE sheet. The geocell is easy to stretch. It can be folded up when transport and opened to fill the earth or concrete when use it. It will constitute a strong lateral and large stiffness of the structure when use it. In the geotechnical engineering, soil, sand, stone, concrete and other fill together constitute a different cohesion, different reinforcement strength, different depth of the cushion. The cushion can be placed in the required position accordance with the requirements of the project for Reinforcement of roads, railways and soft soil foundation, slope protection, green structure, the construction of retaining walls and so on. The most important feature is can solve and complete a variety of difficult problems which can`t be dealed with use conventional method in geotechnical engineering,such as bridge jumping, soft base subsidence, fouling, landslides and desert subgrade.

geocell application for slope

1.soil retention  --earth walls
2.load support  --roadways and verges
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                            --railway batses
3.slope protection --vegetative slope
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geocell application on road

Specification:

Item No.

Hight
(mm)

Weld distance
(mm)

Thickness of the Sheet
(mm)

Tensile Strength of Welding Points
(N/cm)

Tensile Strength of Connection of Cells
(N/cm)

Tensile Strength at Yield of Each Sheet
(N/mpa)

GS-50-400

50

330≤A<1000

≥1.1

≥100

≥120

≥20

GS-75-400

75

330≤A<1000

≥1.1

≥100

≥120

≥20

GS-100-400

100

330≤A<1000

≥1.1

≥100

≥120

≥20

GS-150-400

150

330≤A<1000

≥1.1

≥100

≥120

≥20

GS-200-400

200

330≤A<1000

≥1.1

≥100

≥120

≥20


Packing:

geocell packed

geocell packing in container

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