Analysis of Current Status of Wasted Steel in Various Cutting Machines

1. Car cutting machine The so-called car cutting machine, simply put the manual gas cutting tools installed in the car and rails, the way to cut.
Advantages - Easy to use, low cost, reduced labor intensity for manual cutting, improved cutting efficiency and quality. In addition, as an auxiliary cutting tool for use with CNC cutting machines, it is specifically designed for machining welding bevels.
Disadvantages - Because of the need to cut according to the guide rails, there are major limitations, mainly the use of linear guides to cut straight bars and rectangular pieces. The cutting of the trolleys belongs to the traditional cutting method. The cutting workers cut according to their own experience according to the order of the rectangular pieces, and do not consider optimizing the production of rows and optimizing the cutting.
2. Saw Cutting Sawing is mainly used to cut all kinds of one-dimensional or linear profiles, such as aluminum alloy profiles, H-shaped steel, pipe, bar and so on. As the cutting tool, the sawing machine has the longest history and the largest amount of equipment, ranging from simple civil hand saws, power saws, industrial general sawing machines to advanced CNC sawing machines. For a long time, cutting machines using sawing machines have been accustomed to simply cutting in order of parts. For cutting the remaining lengths and heads every day, the phenomenon of directly throwing them into waste containers is very high.
3. Shears Cutting Shears are used to cut thin plates and rectangular parts. The types of shears include manual or pedal-type shears, CNC shears, and manual and automatic shears for cutting coils.
For the cutting of the shears, as with the cutting of the sawing machine, cutting is simply performed in the order of the size and the number of the rectangular parts, and the remainder of the corners are cut every day, and they are always piled up as waste. Due to the large number of blanking machines and the possibility of optimizing the discharge of rectangular pieces, the optimization of nesting calculations is very complicated. In addition to the high efficiency of mechanical cutting, cutting workers have no time to consider and calculate the optimal set of rows, in order to catch up with the production schedule, had to give up the utilization of steel, resulting in more serious waste of steel.
There is a very simple solution to the various waste phenomena above. That is using optimized nesting software. It can rearrange and combine the workpieces to be cut to make the most use of steel.
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