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Drop forging is when half of the die is dropped from a height onto the other half of the die, which will contain the hot metal workpiece to be formed. Drop forging is used for mass production. Press forming is instead of dropping half the die onto the other half the two halves are put together and pushed together under a large pressure (up to about 10000 tons) forming the object the difference is that drop forming leaves the centre of the metal not so hard as the outside, but press forming gives more uniform hardness for larger components
Shielded Metal Arc Welding, commonly called Stick welding. A shielded electrode passes a current between itself and the workpiece. Both the base-metal and the electrode are melted by the current and the electrode is consumed and deposited into the melted puddle forming the weldment.
Piercing tools pierce holes in previously blanked,formed or drawn parts.It is often impractical to pierce holes while forming because they would become distorted in the forming operation.In such cases they are pierced in a piercing tool after forming.
Thick Vacuum forming products saw frequently in daily life ,For example,washing Machine plastic cover,air conditionplastic cover,TV plastic,Auto plastic parts,Food plastic trays etc which are popular in life, These can made by Vacuum forming process,Vacuum Forming is a process in which a thermo plastic sheet is heated to the appropriate temperature, stretched around or into a mold or pattern, and conformed to the mold by applying vacuum pressure between the mold surface and the plastic sheet.Our company is specializing in vacuum forming,thermoforming, Has a professional team and rich experience in vacuum forming. Vacuum forming is simple operation ,forming fast,Cycle is short,Low price.
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Roll forming is used to shape large portions of metal into bent shapes. This is done using rollers to avoid creating creases in the metal, which will ruin the entire large sheet.
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Press forming is advantageous to anyone who needs to make the same thing repeatedly. A disadvantage may be that once the press is formed, it can be difficult and expensive to change it.
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The major advantage of this process is that it can form large and complex workpieces in one operation. The finished product has excellent precision and a fine surface finish.
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