Can the white iron air duct be used as a ventilation duct?

There are no obvious scratches on the appearance. Simply put, on the inner surface of the white iron air duct, we cannot see obvious holes and creases. Although it cannot be said that the creases are bad, they do affect the appearance and make people doubt the quality. The second is the thickness of ventilation pipe manufacturers. Generally, manufacturers will process ordinary white iron sheets into pipes at the request of customers, but some inferior merchants will do tricks and use thin sheets instead of thick sheets. Can the Foshan white iron air duct be used as a ventilation duct? First of all, it is necessary to understand the working conditions of the ventilation pipeline site. Generally, the requirements for ventilation pipelines are not too strict, except for some sites containing corrosive components in the air, fabric ventilation pipes should be selected. The manufacturing method of white iron duct: Zhangjiagang ventilation duct 1. Check whether the loft of the duct board meets the requirements of the duct board manufacturing task list, whether the marking is correct, and whether the board is damaged. Check that the insert has a secure cutting edge arrangement. Check whether the protrusion height of the blade meets the requirements. The protruding height of the straight-knife planer blade should be able to block the pull material without causing damage to the desktop; the protruding height of the single-knife planer blade and the double-knife planer blade should be able to block the upper aluminum foil and core material, and will not cause damage to the lower aluminum foil. harm. The spacing of the double-sided planer knives is about 2 mm. Choose the 45° single-knife planer on the left or the 45° single-knife planer on the right according to the trimming requirements. The aluminum plate is placed on the workbench, and the aluminum plate is fixed in a suitable position in parallel with a square aluminum ruler.

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