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2. Forming process of rectangular tubeRectangular tube can be divided into two types, direct forming process, namely, "square to square" (directly to square) and "round to square" (from circular tube ...

4.5 Prospects For the Development of the New Square Rectangular Tube TechnologyAs a big manufacturing country, the rapidly developing automobile industry, construction industry, engineering machinery ...

Review and Prospect on the 30th Anniversary of Chinese Confenfederation of Roll Forming IndustrySquare rectangular tube is one kind of cold roll forming steel that has largest output, and it is widely...

4. Key Technologies of Square Rectangular Tube and Prospect on New Technologies4.1 CAD/CAE technology for square rectangular tube formingRoll design of the square rectangular tube cold bending forming...

The bending of PC sheet and PC board.The impact force of the endurance board can reach 3kg/cm. The impact force of the PC endurance board is 250-300 times as high as that of the ordinary glass, 20-30 ...

3. Direct Forming Technology and Its DevelopmentThe “circular-to-square” technology is adopted earlier than "directly forming" technology in Chinese enterprises. In 1950s and 1960s, the production o...

It is very important for the cold roll forming machine to have an examination before work. When you want to put the cold roll forming machine into work, you should let it have a comprehensive inspecti...

4.3 Flexible Forming Technology of Square Rectangular TubeAdopting the direct forming technology of square rectangular tubes can easily realize the public use of rollers and flexibly adjust the produc...

As the leader of cold bending technology, cold bending machine is widely used in industrial production. Any equipment is used through certain technical methods, of course, the cold bending machine is ...

Cold roll forming sectional steel is one kind of steel types, that is, strip steel with a certain width goes through a group of longitudinal rolls under the condition of normal temperature, it will gr...

There are many kinds of cold-formed steels, which are divided into three types, namely, open type, semi closed type and closed type according to the sectional shape. The main products are including co...

The color metal roll forming machine roll and blend color steel plate and strip continuously by multi forming roller with sequential arrangement of tile press, and the color steel plate is made to the...