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上市日期: 2013-11-29

 The Current Situation and Development Trend of Band Sawing Machine


1. Status

    Bow sawing machines, circular sawing machines and band sawing machines are three main types of sawing machines, and band sawing machines are gradually replacing traditional bow sawing machines and circular sawing machines and are beginning to dominate. In developed countries such as Europe and the United States, the bow sawing machine has been basically eliminated, and the band sawing machine has rapidly spread. This trend is particularly evident in Germany. For example, the world's number one sawing machine manufacturer, Bellinger, Germany, has been producing double-column band sawing machines for more than 20 years. So far, nearly 100 models have been developed, reaching a high level of technology.

    In terms of material utilization rate, the band sawing machine has obvious advantages, such as high cutting speed, high dimensional accuracy and small material loss. In addition, the band sawing machine has a wide adaptability, low power consumption, easy operation, easy maintenance and angle cutting, and thus has been widely used.

    The double-column band sawing machine has the best performance in the band sawing machine. It adopts the double-guide column hydraulic cylinder overall saw frame structure, which uses parallel method for sharp cutting and long-lasting rigidity, which ensures the stability of the saw frame and improves the life of the saw band.

The Current Situation and Development Trend of Band Sawing Machine

    2. Development trend

    With the increasing position of metal sawing in gold cutting, the manufacturing level of sawing machines has been further improved, mainly in the following aspects:

   (1) Processing accuracy is further improved

    It adopts advanced variable frequency motor drive, precise ball screw drive and laser positioning mode, and servo-controlled hydraulic system. The computer automatically monitors the whole process of sawing, and the saw blade speed, feed speed and clamping force can be achieved. Arbitrarily set and optimize the combination, thereby improving the machining accuracy of the sawing machine. In addition, the key technical point of metal sawing - high-precision cutting force control has always been the focus of research on sawing technology, the German Bellinger sawing machine has solved this problem well. The sawing machine enables constant sawing force control, ensuring a constant cutting rate for sawing irregular section profiles. The sawing machine has a high processing precision. For example, when cutting thick materials, the error per 100 mm cutting height is only 0.1 mm.

The Current Situation and Development Trend of Band Sawing Machine

   (2) High efficiency and widening of sawing machine processing

    Improving sawing efficiency, especially improving the efficiency of thick and hard metal sawing, and avoiding sawing become the bottleneck of the entire production line, has been the focus of many years in the field of sawing and sawing technology. Germany Bellinger sawing saw 1Cr18Ni12 stainless steel cutting rate of 48cm2 / min, sawing Y40Mn steel cutting rate of 125cm2 / min. The company also designed a sawing machine with two sawing systems that can simultaneously cut the workpiece twice, which greatly increases productivity and improves the economics of sawing.

    The expansion of the sawing range is already a trend. For example, Germany's Bellinger giant horizontal band sawing machine can cut up to 2.5m × 2.0m solid square material, and the giant vertical band sawing machine can cut sheets and bars up to 10m.

The Current Situation and Development Trend of Band Sawing Machine

   (3) Full CNC and networked sawing machine

    The cutting process of large workpieces often lasts for several hours. In order to ensure the production conditions of one person and multi-machine, and improve the precision and efficiency of sawing, the full CNC of the sawing process is imperative.

    Networked production, remote diagnosis and maintenance are the development trend of CNC machine tools today, and CNC sawing machines are no exception. Networked production can link the sawing process with the rest of CIMS, improve productivity, and facilitate efficient and unified management of all aspects of the enterprise. Remote diagnosis and maintenance are the result of economic globalization, providing extremely fast equipment maintenance across regions. For example, the German Behringer CNC sawing machine can be connected to its technical center during processing, and the technical expert can remotely maintain the sawing machine.

The Current Situation and Development Trend of Band Sawing Machine

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