Friday, March 18, 2011

Fibre Optic Communications

Faster Communication With Fibre Optics
Fibre optic technology has been there for quite some time but has recently gained more popularity in the telecommunications industry worldwide.fibre optics are thin, lightweight and flexible. They can transmit data through fibre optic cables in a much faster and efficient manner as compared to the copper wires. Fibre optic cabling has a greater bandwidth and is not prone to loss of signals. Spread over large distances, it is also a cheaper option than copper. High degree of precision and accuracy is required to lay the fibre optic cables.Fibre optic communication uses the principal total internal reflection through a light source transmitted by a fibre cable. Fibre optic cables are manufactured by either plastic, plastic clad silica or glass depending upon the budget and application it is being employed for.

While copper wires use electronic signals, fibre optics system uses light pulses to transmit signals. Fibre optic communication is preferred over copper for many reasons listed below

=> It is less expensive when spread over several miles of cables.

=> It can suit to very thin diameters, ranging from 0.8mm to 40mm.

=> As the optical fibres are very thin, more fibred can be bundled together allowing more connections to go over the same cable.

=> There can be clearer phone connections and TV receptions because the light signals within the same cable do not interfere with each other. This also means that there will be much less chances of loss of signals in optical fibres.

=> As there is very little degradation, lower-powered transmitters can be used thus reducing costs.

=> As there is no electricity passing through the cables, there are no fire hazards.

=> Optical fibre is both lighter in weight and smaller in size as compared to the copper wire.

Due to the many advantaged listed above, fibre optics is being applied in many telecommunications and computer networks in most of the developed countries. These industries have been experiencing steady replacement of copper as a means to communication signal transmission.

Fibre optic cabling is used in a huge number of places as it is the fastest medium for the transmission of data. It is widely used in computer communication. The main applications of fibre optics are in television cable services, industrial plants and utility companies. However, it is to be applied with utmost care and precision for better results.

Scissor Lift Drum Handling

Uses Of The Scissor Lift
Scissor lifts are very useful machines and have numerous applications in various industries. They are primarily used for lifting heavy objects or moving them. These are generally preferred over the aerial lifts and boom lifts. For areas that are steep or inclined, scissor lifts are found to be very efficient. The quality, capacity and precision of the scissor lift varies for different models available so you need to choose the one that meets your requirements and budget. Scissor lifts have many applications in the cable industry for example handling huge drums of cable and optical fibre.

What are scissor lifts?
Scissor lifts are vertical lifts that operate with the use of interconnecting cross-sections. These can be extended or compressed and can bear a large amount of weight as a hydraulic system is used for operation. Scissor lifts come in different makes and models. The capacity generally varies between 100 - 20,000 kg. There are some models that have wheels attached to them for greater positioning and ease of use. Assembling and disassembling of these is also very easy so there are no storage issues when not in use. A well designed machine usually withstands huge loads and provides years of safe and reliable service. These are designed for the particular needs of the industrial and commercial concerns. When choosing the right scissor lift, considerations need to be made regarding the weight that is to be lifted and the height up to which it is to be lifted.

Applications of scissor lifts.
Scissor lifts are mainly used in construction, maintenance, distribution and warehousing services. Large loads can be lifted so that a larger workspace is provided. It is commonly used when multiple workers need to access the same work area. Scissor lifts are used to lift both heavy equipment and people. Some scissor lifts can handle drum widths up to 1200mm.

Working with scissor lifts.
As this equipment is mainly used in industrial applications, safety is a concern for all workers when handling scissor lifts. There should be adequate training provided and safe working procedures followed to avoid any mishaps. The improved versions of scissor lifts have guard rails for assuring that the workers do not fall and injure themselves.

Different types of tools, equipment and machinery is required to carry out construction and infrastructure projects. One such tool that is used to lift heavy objects in the construction projects is the manual scissor lift.