Matters needing attention when water jet cutting into line

Water jet cutting is a need for accurate calculation of things, in order to ensure the quality of the workpiece, generally do not directly arrange the penetration point on the working contour, but make it leave the bow a distance, after a section of cutting line into the workpiece contour, this section of line is usually called cutting lead or lead.

The lead length is determined by the thickness of the material and the cutting method used. Generally speaking, the lead length increases with the increase of the thickness. CNC cutting machine, steel cutting in order to guarantee the integrity of the cutting parts, cutting starting point not line, the outline of the parts for the outer contour parts, should be on the outside of the parts contour, fire for profile parts, should be within the parts contour on fire, we put the fire on the contour of a spare parts out of cut line, called the lead.

When the cutting is retained as an outer contour, the position of the lead-in line should be within the contour. The opposite is true when the retained portion is cut as an inner contour. In addition, the loss of the entire plate should be taken into account in the design of the lead-in line, and the edge and top Angle should be considered as much as possible to reduce material loss. The length of the lead wire varies according to the material, thickness and cutting energy of the cutting part, but the overall control is within the range of 1-10mm. As for the position design of the lead-in line, it will change according to the cutting of the reserved part.

1. Straight lead, in practice and various, straight lead is most commonly used, but it is easy to leave a dent and a small tail at the end of cutting. When the cavity is square, the lead is usually cut from a corner.

2, round lead, if you need a higher quality of cutting contact, the best use of round lead.

3, the arrangement of the lead in cutting the shape of the workpiece in the cutting shape, the general use of direct lead.

4, the introduction of the line in cutting the workpiece cavity arrangement.

5, the design of the lead line, also should reduce material waste as far as possible, sometimes need to cooperate with the material to consider.

6. The lead-in line shall be as short as possible without affecting the perforation and cutting, and the lead-in direction shall be as consistent as possible with the running direction of the cutting machine. When perforating, the slag should not fly to the cutting machine, but to the opposite direction of the cutting machine start-up.

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