[Nikkei BP News] Sumitomo Electric Hard Metal (Headquarters: Itami City, Hyogo Prefecture) developed the general super hard monolithic drill "Super Multi Drill GS", which will be launched on October 21, 2008. The drill is based on a collaborative study with Fujitsu and the two sides reached a consensus on the basic design ideas. This is the first collaborative product in the field of superhard drills.
In recent years, in the field of drilling processing, in order to achieve energy saving and emission reduction and space saving, efficient processing means capable of reducing the volume of processing equipment, shortening processing time, and reducing the number of processing machines are becoming more and more popular. At the same time, small machines have achieved stable vibration-free drilling, and users' demand for high-efficiency, long-life products continues to grow. The drill bit was developed to meet this demand. Small machines are also stabilized by improving the shape of the cutting edges and grooves, using new coatings, etc., while also improving chip discharge performance during efficient machining and prolonging product life.
In order to improve the stability during processing, the design of the chisel edge (the cutting edge of the center part of the bit) and the thicker part of the bit center is optimized. This reduces the vibration generated when the drill bit is punched and penetrated, while reducing the vibration and cutting resistance of the drill bit. In order to improve the chip discharge performance during efficient machining, a design method that optimizes the groove design to make the chips finer and easier to discharge is adopted. Specifically, the cross-sectional shape of the groove cut perpendicular to the drill shaft is designed to be J-shaped. In terms of service life, a composite super-multilayer coating "DEX coating" using nano-coating technology was developed. By adding silicon and chromium, the wear resistance, defect resistance and refractory resistance are improved, and the service life is extended by a factor of 2 compared with the original coating.
In the product range, the drill diameter is in the range of 2 to 16 mm, and various products are provided at intervals of 0.1 mm. Suitable for processing depths of 2 or 4 times the diameter of standard stock products. All external oil supply methods are adopted. In terms of price, the "MDW0800GS2" with a drill diameter of 8 mm and a machining depth of 2 times the drilling diameter is 10,300 yen, and the "MDW0800GS4" with a machining depth of 4 times the drilled diameter is 12,200 yen.
In recent years, in the field of drilling processing, in order to achieve energy saving and emission reduction and space saving, efficient processing means capable of reducing the volume of processing equipment, shortening processing time, and reducing the number of processing machines are becoming more and more popular. At the same time, small machines have achieved stable vibration-free drilling, and users' demand for high-efficiency, long-life products continues to grow. The drill bit was developed to meet this demand. Small machines are also stabilized by improving the shape of the cutting edges and grooves, using new coatings, etc., while also improving chip discharge performance during efficient machining and prolonging product life.
In order to improve the stability during processing, the design of the chisel edge (the cutting edge of the center part of the bit) and the thicker part of the bit center is optimized. This reduces the vibration generated when the drill bit is punched and penetrated, while reducing the vibration and cutting resistance of the drill bit. In order to improve the chip discharge performance during efficient machining, a design method that optimizes the groove design to make the chips finer and easier to discharge is adopted. Specifically, the cross-sectional shape of the groove cut perpendicular to the drill shaft is designed to be J-shaped. In terms of service life, a composite super-multilayer coating "DEX coating" using nano-coating technology was developed. By adding silicon and chromium, the wear resistance, defect resistance and refractory resistance are improved, and the service life is extended by a factor of 2 compared with the original coating.
In the product range, the drill diameter is in the range of 2 to 16 mm, and various products are provided at intervals of 0.1 mm. Suitable for processing depths of 2 or 4 times the diameter of standard stock products. All external oil supply methods are adopted. In terms of price, the "MDW0800GS2" with a drill diameter of 8 mm and a machining depth of 2 times the drilling diameter is 10,300 yen, and the "MDW0800GS4" with a machining depth of 4 times the drilled diameter is 12,200 yen.
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