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Caster selection, application

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Caster selection, application

release date:2015-05-13 00:00 Source:http://www.hodcaster.cn Views:

Castor is a general term, including fixed and removable casters. Casters activities also is what we call the universal wheel, its structure allows a 360 degree rotation; wheels are fixed without rotating structure and can not rotate. Usually two casters are generally paired with, such as structure of cart is in front of two fixed wheels, behind near promote the handrail is two universal wheels.

A kind of product, because the caster is referred to, including fixed and removable casters. Casters activities also is what we call the universal wheel, its structure allows a 360 degree rotation; wheels are fixed without rotating structure and can not rotate. Usually two casters are generally paired with, such as structure of cart is in front of two fixed wheels, behind near promote the handrail is two universal wheels.

The history of castor

To trace the history of caster is a very difficult thing, but after people invented the wheel, handling and moving objects becomes a lot easier, but the wheels can only run in a straight line for carrying heavy objects towards the direction of change is still very difficult. Later, people invented the structure with steering wheel, that is what we now call the casters or the universal wheels. The caster to people handling especially brought about a revolution in the era of mobile objects can not only easily carry, also can move in any direction with, greatly improving the efficiency.

To the modern with the rise of the industrial revolution, more and more devices need to move, casters are in use around the world more and more widely, all walks of life almost inseparable from the caster. In modern times, along with the continuous development of science and technology, equipment is also more and more functions and high utilization, castor is an indispensable component. Casters development becomes more specialized and became a special industry.

The application of casters

Castor is widely used, almost any industry design. According to the needs of different industries, people continue to invent all kinds of casters, in the world about 150000 different casters used in various industries.

Castor structure consists of a single wheel is mounted on the support and, for installation in equipment following its move freely. Casters are mainly divided into two categories:

A fixed castors fixed bracket with a single wheel, only moving along a straight line.

Support with B casters 360 degrees turn on a single wheel, can travel in any direction.

Industrial casters single round variety, in size, type, tire surface is different. Select the appropriate wheel to take the following conditions:

A bearing capacity.

B using field environment

C all kinds of special climate, such as humidity, high temperature or cold.

D working environment contains chemicals, blood, grease, oil, salt and other substances.

E requirements for impact, impact, and travel.

How to choose a suitable for your use of casters

One, how to choose the appropriate wheel

1, the choice of wheel material: first consider the size of the pavement, obstacles, the use of site residues (such as iron, oil), environmental conditions (such as at room temperature and high temperature or low temperature) and the wheel can bear the weight of different conditions to determine the choice of suitable wheel material. For example: rubber wheel is not acid, oil and chemicals, super polyurethane wheels, high strength polyurethane wheel, nylon wheel, steel wheel and a round of high temperature can apply to different special environment.

2, the calculation of bearing weight: to to calculate the load capacity of various casters need, must know the transportation equipment weight, maximum load and the number of single wheels and casters. The calculation of load capacity of a single wheel or caster required:

/M (E+Z) T= x N:

---T = single wheel or caster required bearing weight;

---E = weight of transportation equipment;

The maximum load of ---Z=;

The number of the single wheel and wheel ---M=;

---N= safety factor (about 1.3 - 1.5).

Decision to wheel size: usually wheel diameter the greater the more easy to promote, greater load capacity also is to protect the ground from damage, wheel diameter size selection should first consider the bearing the weight and load handling car starting thrust to decide.

4, the wheel material soft and hard choices: usually wheel nylon wheel, super polyurethane wheels, high strength polyurethane wheels, high strength artificial rubber tire, iron wheel, pump wheel. Super polyurethane wheels, high strength polyurethane round regardless of in the indoor and outdoor ground driving, can meet your requirements of handling; high strength artificial rubber tire can suitable for hotel, medical equipment, floors, wood floors, ceramic tile ground, etc. when walking noise small quiet ground uplink driving; nylon wheel, iron wheel applicable on uneven ground or ground on a site of iron filings and other substances; boost wheel is used in light load and pavement soft flat occasions.

5 and rotational flexibility: single wheel rotation is more labor-saving and roller bearings can carry heavier loads, rotation of greater resistance: single wheel installed on the quality of bearing steel ball bearings, bearing heavy load, turning more portable, flexible quiet.

6, temperature conditions: effect of cold and high temperature of the occasion of casters, polyurethane wheels at minus 45 DEG C low-temperature, turning is flexible, resistant high temperature round under high temperature 275 degrees rotation is easy.

Two, how to choose the appropriate wheel frame

1, usually choose suitable wheel frame first consider the trundle bearing the weight of such as supermarkets, schools, hospitals, office buildings, hotels and other places, because of good floor, smoothing and cargo handling is light, (each trundle bearing in 10-140kg) and suitable choice to thin plate (2-4mm) stamping electroplating wheel frame.



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