Compression Springs
Posted by: indianmanufacturer on: April 9, 2010
Compression springs
Springs are objects that store mechanical energy. They are most often made of steel and they are flexible. When their shape is changed, springs exert a resisting force – they push when compressed and pull when stretched. When using a spring you are witnessing a process know as elastic deformation. This term is used for metal that temporarily bends and then reverts to its original shape. Springs may be small and inexpensive parts of a greater whole, but they are often crucial components in reliable performance.
Compression springs are what most people picture when they think of a spring. Compression Springs Grouping This type is an open coiled, helical spring that offers resisitence to a compressive force. In other words it stores and exerts energy in a “push” mode.
A spring that works in a twisting motion is formally called a torsion spring Torsion Springs Take a look at your ordinary spring hinge to see an example of this type of spring. Sometimes a torsion spring is used to rotate parts, or to cushion the shock of opening a part such as an oven door. Brush holder springs on motors and generators, springs in door locks, etc. are more examples.
FUNCTIONS OF SPRINGS
Springs are used for many purposes, and one spring may serve more than one purpose. Listed below are some of the more common of these functional purposes. As you read them, try to think of at least one familiar application of each. 1. 2. 3. 4. To store energy for part of a functioning cycle. To force a component to bear against, to maintain contact with, to engage, to disengage, or to remain clear of some other component. TO counterbalance a weight or thrust (gravita- tional, hydraulic, etc.). Such springs are usually called equilibrator springs. To maintain electrical continuity.
Wooden furniture from india
Posted by: indianmanufacturer on: July 30, 2009
Indian Wooden Furniture : Wood has had the longest relationship with humans apart from stone. Our ancestors used it to clothe themselves, to shelter themselves and to feed themselves. With different ways of cutting and using different types of wood, people started to recognize such skills as necessary for the survival of mankind. And so various types of carpentry such as wood carvers and furniture makers came into being.
India has a very long woodcraft history with its prime time during Vijayanagar Empire southern India(1336AD). Wood craftsmen then were highly respected by the royalty because woodcraft was considered an art and a trade. Woodcrafts can be found everywhere in India, on wooden doors, posts, walls, in remote villages, in cities, in modern buildings, in temples, and one will be impressed by the wide variety of styles of this craftwork.
Woodwork carries several important implications in India. Being heavily influenced by art and literature, ebony wood was the symbol in the south, particularly among the royalties, whereas walnut was the symbol in the north. With woodcraft, legends and folklores are kept for many years. It is this element of continuity which ancient art and culture are preserved.
It is well-known that Indian craftsmen can turn wood into many other amazing wooden inventions in the world. They use wood locally found and change it into decorative objects such as cabinets, screens, tables, candleholders, boxes, trays and even toys or in a different scale houses and rooftops. The wide variety of wood sources such as sesham wood, Indian rosewood, teakwood, sandalwood and coconut tree also encourages the wide range of wooden creations in the region. With sandalwood in particular, it is considered by most Indians to be a gift from God because of its fragrance which lasts for years.
Contrast to the present rapid developments in information and technology, Indian wooden furniture still maintains its traditional way of using simple tools and processes in its production. Because of this, there is still much ethnic flavour to be found in the furniture. And also due to the way the furniture is made, Indian wooden furniture is the symbol of durability and elegance.
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