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Dished Heads
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Al Andalus for Engineering Industries - BIMEX
Cairo, Egypt
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DISHED HEADS MANUFACTURING
Manufacturers of dished heads for tanks and pressure vessels require machines able to ensure high performance and high, productivity. Our dished head production lines include technologically advanced dishing presses with an automátic manipulator, flanging machines, and manipulators, designed to offer maximum reliability and to meet the needs of customers in terms of achieving tolerances and lamination reduction.
DISHED HEAD MANUFACTURING PROCESS

  1. The first step for making dished Heads is to cut the plate to obtain the circular blank; an operation is normally done with a circular shear for thicknesses below 10mm or with normal cutting tables when thicknesses are above 10mm.
  2. The second step is the dishing process with the dishing press that is equipped with specific dies, which can form the crowning radius with multiple hits. The pressing is a repetitive process run in automatic mode by the CNC that control the press and the manipulator that handles the dish ends and distributes the hits.
  3. In the third step when the plate is dished with the correct crowning' radius, the dished head is completed by forming the edge through the flanging machine. The hanging machine is forming the knuckle radius by spinning the material. This process is also controlled by CNC. In order to complete the dished ends, our Flanging Machines can be equipped with a special machining tool used to adjust the depth of the dished end and to place the chamfer for the circular welding. 
AL ANDALUS BIMEX DISHED HEADS
Our dishing equipment consists of a CNC press manipulator with a 600-ton capacity and a CNC Flanging Machine. That enables us to cold-form dished heads, beginning from 500 mm up to 6000 mm in diameter and beginning from 6 mm up to 50 mm in thickness. Heads can be formed from carbon steel, stainless steel, from special materials we order such as a clad plate or customer-supplied material.
OFFERED TYPES OF DISH HEADS
1. Semi-elliptical head (2-1)
2. Tori-spherical head
3. Hemi-spherical head
4. Ellipsoidal Head
5. Flathead
6. Dished disc
 
 

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