How to change the iron sheet air duct straight pipe up and down

Change the size of the opening to the side height,Beveled edgesThe length is the number of elevations.

Type: Among them, metal air duct is made of various metal materials, commonly used including galvanized iron sheet and stainless steel. With the continuous development of the storage tank industry, more and more industries and enterprises have used storage tanks.

The air duct assembly is required to be assembled at a fixed location, and the assembly site should be flat, clean and tidy. In addition, in the process of assembling the air duct, pay attention to handling it gently to avoid scratches on the surface of the air duct.

Subway mechanical and electrical installation - galvanized iron duct installation

All kinds of installation materials should have factory certificates or quality appraisal documents and product lists. The finished air duct is not allowed to have defects such as deformation and distortion, and the installed valve body, muffler, tuyere and other components should be checked whether the adjustment device is flexible, and whether the muffler and paint layer are damaged.

The air duct flange gasket should meet the functional and technical conditions of the system, have no adverse effect on the material of the air duct, and have good air tightness. The service life is not less than 15 years, and the thickness is 3mm. For the bedding material with high temperature resistance, it should have a test report from the national authority.

Materials used for installation: bolts, nuts, washers, gaskets, sealing strips, self-tapping screws, rivets.

Welding rods, all kinds of canvases, non-woven fabrics, nails, expansion bolts.

and so on should meet the product quality requirements.

The size of the opening is the side height, and the length of the hypotenuse is the number of elevations, and I don't know how to read the personal introduction.

How to change the 1050*500 air duct to 500 up and down

Ducts can be divided into two types, one is a circular duct and the other is a rectangular duct. The production process is similar, blanking-cutting-cleaning and gluing-sealing. Round ducts need to be bent, while rectangular ducts need to be bent. I have galvanized iron sheets here, I hope it can help you.

Summary. Hello steps are as follows:

1) Draw the side projection of the elbow according to the actual size. Seam lines included.

2) Divide each closed wireframe graphic into an independent graphic by line. (You can crop it or repaint it separately.)

3) Take a pattern, draw it on another sheet of paper, draw two horizontal lines parallel to the top and bottom along the height of the pattern, and perpendicular to the centerline, length.

It is exactly the circumference of the diameter of the pattern. (closed rectangle).

4) Divide the pattern vertically and mark it, and then draw these bisecting lines vertically into the rectangle just drawn, noting that the points on the map must correspond to the points on the projection pattern.

5) Divide the upward diagonal line of the drawing in equal directions in the horizontal direction. and pull parallel to the pattern, and correspond to the corresponding point. The intersection points obtained on the sample are smoothly connected, which is the curve. The denser the aliquot, the more accurate the curve.

6) The amount of the bite is released, and the thickness of the plate is treated.

Elbow cutting must know the bending radius, thickness, and number of sections.

If you don't understand, you can ask again, hope. However, you can also use software, which is convenient and quick to directly cut and assemble the welding elbow.

The steps are as follows: 1) First draw the side projection of the elbow according to the actual size. Seam lines included.

2) Divide each closed wireframe graphic into an independent graphic by line. (You can crop it or repaint it separately.) 3) Take a pattern, draw it on another piece of paper, draw two horizontal lines parallel to the top and bottom along the height of the pattern, and perpendicular to the center line, the length is exactly the circumference of the diameter of the pattern.

4) Divide the pattern vertically and mark it, and then draw these divisions vertically into the rectangle just drawn, and pay attention to the points on the pattern must be late to guess the points on the projection pattern. 5) Divide the upward diagonal line of the drawing in equal directions in the horizontal direction. And pull it parallel to the boring pattern, and correspond to the corresponding point.

The intersection points obtained on the sample are smoothly connected, which is the curve. The denser the aliquot, the more accurate the curve. 6) The amount of the bite is released, and the thickness of the plate is treated.

Elbow cutting must know the bending radius, thickness, and number of sections. If you don't understand, you can ask again, hope. However, you can also use software, which is convenient and quick to directly cut and assemble the welding elbow.

Summary. Straight air duct to change the upper and lower bending method**Hello dear, you can first buy a check valve and this ventilation pipe mouth to connect, check valve single-phase outside to add a suitable thickness of the tee, the two sides of the tee can be connected up and down in a normal way, anti-smell pipe, so that you can meet the installation requirements of use. The important thing is to install a three-way connection after the check valve is installed at the exit place.

Straight air duct pipe change up and down bending method Xunqin**Hello dear, you can first buy a chain of one-way valves and this ventilation pipe mouth to connect, check valve single-phase outside to add a suitable thickness of the tee, the two sides of the tee can be connected up and down in a normal way, anti-smell pipe, so that you can meet the installation requirements of use. The important thing is to install a three-way connection after the check valve is installed in the mu stuffy place of the outlet.

First, cut the rectangular iron sheet consistent with the circumference size and length of the elbow, and then determine the diameter size from the midpoint of the perimeter side to 2 times the diameter of the worm mu, and then draw a semi-elliptical line and cut off the semi-ellipse. Then according to this method, cut out the elbow and rent half of the iron sheet, and the two iron sheets are made into a round pipe and the two bevels are connected to each other for a 45-degree elbow.