Fibre Rope

Dear Readers,

 

Fibre rope is made from either natural or synthetic fibres. The natural fibres come from plants and include manila, sisal and hemp. Synthetic fibres include nylon, polypropylene, polyethylene and polyester.

In the fabrication of fibre rope, a number of fibres of various plants are twisted together to form yarns, which are then twisted together in the opposite direction to the fibres to form strands. The strands are twisted in the opposite direction to the yarns to form the completed rope. The direction of twist of each element of the rope is known as the "lay" of that element. Twisting each element in the opposite direction puts the rope in balance and prevents its elements from unlaying when a load is suspended on it. The principal type of rope is the three-strand, right lay, in which three strands are twisted in a right-hand direction. Four-strand ropes, which are also available, are slightly heavier but are weaker than three-strand ropes of the same diameter.

Fibre ropes are made from following materials

1. Manila

2. Sisal

3. Hemp

4. Coir and Cotton

5. Jute

 

Details of above rope material will be discussed my next post

For more details about Steel Wire Rope click Rope 

 

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Unit Weight of Rectangle Hollow section- ASTM A 500

Dear Readers,

This is continuation with my earlier posts of hollow sections. You may familiar with square hollow and rectangle hollow sections. For hollow sections so many standards are available in world wide like.  Self would like to share the unit weight of Rectangle Hollow Section of ASTM A 500 Grade A & B, and it is an American Standard.

The sizes available are 38 X 19-Thickness 1 mm to 300 X 200-Thickness 12 mm. Unit Weight of RHS is below.Click on picture to enlarge the table.

Hope the table will be useful for all engineers.

For More details about Hollow Section Click HSS
For More unit weight of RHS- Indian Standard Click IS:4923
For Unit Weight of Square Hollow Section of ASTM A500 Click SHS

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Land Units Convertion

Dear Readers, 

Different units are used to measure a land for industrial purpose or commercial purpose. Units are vary from location to location.  Some of the commonly used units are Square meter, Square yard, square feet, ground and acre etc.,  It is a two dimensional units (length and width) and it will be used to measure the area of the land. Engineer diary happy to bring all conversion in one table which will help to all engineers and common man. Table is given below.

 

 

For More Details about Cent to Acre click Cent

For More Details about unit weight of metals Click Metal

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