Different grids will be configured to shoot different parts X-ray grid

There are many types of X-ray grids, which can be divided into the following categories according to their structure, material, and movement mode. The types of X-ray grids are described separately below.

Convergence grids, parallel grids, and cross grids are the most widely used converging grids, focusing on their structural characteristics.

Structure: Convergence grid: There is a flat plate outside the X-ray grid to protect the paper strip filler in the gap between the lead strip and the lead strip inside the grid. The paper strip filler between the lead strip and the lead strip is directed towards The direction of the focus convergence line is arranged obliquely to ensure that the horizontal extension lines of each lead bar are gathered together, and then the aluminum plate is used to package them up and down.

Parallel grid: The external structure is the same as the focus grid, and the aluminum plate protects the internal lead strips and the paper strip filler between the lead strips, but the internal lead strip structure is different. The internal lead strips of the parallel grid are arranged on the longitudinal axis and parallel to each other .

Cross gate: After understanding the parallel gate structure, the understanding of the cross gate is very simple. It can be understood that the cross gate is composed of two parallel gates placed cross each other.

According to its structure classification, it can be divided into three types: convergence grid, parallel grid and cross grid. According to its material classification, it can be divided into metal and non-metal. According to its movement mode, it can be divided into fixed type and movable type.

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Author：肖恩