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The HSC-11 milling system developed by Ceratizit (Columbia, South Carolina, USA) has the following three features: 1 can be processed at a high spindle speed of 56,000 rpm, with a resection rate of up to 3500 cm3/min; 2 used in milling systems The blade structure and shape are carefully designed and super-finished in micron order; 3 can be used to process a variety of materials under a variety of conditions.
Carbide milling cutters from Kennametal (Latrobe, Pa.) are said to increase tool life by 30% when machining ferrous materials. KC935M carbide milling cutters are mainly used for dry or wet cutting of steel and ductile iron. KC915M carbide milling cutter is mainly used for light to medium load cutting of gray cast iron and ductile cast iron. Both tool surfaces are coated with a multi-layer composite coating coated with a new medium temperature CVD (MTCVD) technique, and the coating is post-treated to improve the adhesion of the coating, reduce the coefficient of friction, and improve the surface. Coating quality.
Walter Corporation (Waukesha, Wis.) developed the Xtra-tec range of milling cutters for end and step milling. Among them, the F4033 end mill has a double-sided square insert with 8 effective cutting edges. Because the structure of the insert is symmetrical and the force is uniform, it is especially suitable for transposition (cutting edge) in the left and right directions. Very convenient to use. The F4042 universal step milling cutter features a large positive rake angle. The large positive rake milling cutter reduces cutting forces, reduces power consumption, and reduces surface roughness. It is the best choice for rough and precision machining of steel parts and castings.
Several companies have recently applied the newly developed plunge-cutmilling to the design of new milling cutters to further enhance the machining capabilities of the milling cutter. Among them, SandvikCoromant's CoroMill210 milling cutter combines the functions of end milling and plunge milling to increase the feed speed to 4mm/tooth. In the end milling, the amount of cutting can be increased to 1400cm3 / min, and the deeper cavity and the external deep step of the part can be processed by the plunge milling method. Currently, the milling cutters are available in sizes ranging from f25 to f82mm. Stellaram (LaVergne, Tennessee) was also developed at the same time. The company's newly developed 7791VS tool is said to be more than 10 times more efficient than conventional contour milling and is the ideal tool for roughing and semi-finishing ferrous and non-ferrous materials. The system uses a blade with 4 cutting edges, and the radial cutting depth is up to 8~11mm depending on the machining diameter.
The TuffCutXR carbide end mill developed by MAFord (Davenport, Iowa) can rent and finish almost all materials. The tool has 240 specifications, including a square handle, a variety of sizes of tool nose arc radius, short, standard, long and extra long slot lengths. The company designed the tool as a heli-pith chip flute, which is said to reduce the harmonic oscillations produced during machining, allowing for large passes and high cutting speeds. At present, the product has 1/8â€~1†and 3~25mm diameter specifications of imperial and metric AlTiN coated tools for users to choose.
Emuge (Northborough, Wash.) develops integrated carbide end mills for high-efficiency processing of low-silicon (5% silicon) aluminum alloys. Its main feature is that the designed tool geometry is extremely good at reducing the contact area between the chip and the tool. At the same time, in order to make the chip easy to eliminate and reduce the frequent tool change caused by the rapid wear of the tool, the company also specially coated the surface of the tool with TIB2 coating to improve the tool life. The company has also developed integrated carbide inserts and milling cutters for high-efficiency machining of high-silicon aluminum alloys.
In order to meet the needs of high-efficiency milling, the famous tool manufacturers in the world have developed the following advanced tools: