Preferred CNC machine tool fixtures for low volume production
Combination fixture
Combination fixture is also called “building block fixture”, it consists of a series of standardized design, different functions and different sizes of machine tool fixture components, customers can quickly assemble various types of machine tools according to the processing requirements, like “building blocks”. The customer can quickly assemble various types of machine tool fixtures according to the machining requirements like “building blocks”. As the combination jig eliminates the time of designing and manufacturing special jigs, it greatly shortens the production preparation time, thus effectively shortening the cycle time of small batch production, i.e. improving the production efficiency. In addition, the combination fixture also has the advantages of high positioning accuracy, clamping flexibility, recycling, manufacturing energy and material saving, low cost of use. Therefore, small batch processing, especially when the shape of the product is more complex, can give priority to the use of combination fixture.
Precision Combination Pliers
Precision Combination Pincer is actually a “combined part” of the combination jig, which is more universal, standardized, easy to use and more reliable than other combination jig components, so it has been widely used worldwide. Precision combination flat jaws have the advantages of fast installation (disassembly), fast clamping, etc., so it can shorten the production preparation time and improve the efficiency of small batch production. At present, the international common precision combination of flat vise clamping range is generally within 1000mm, the clamping force is generally within 5000Kgf.
It should be noted that the precision combination vise here is not the old machine vise, the old machine vise single function, low manufacturing accuracy, can not be used in groups, short life, not suitable for use in CNC machine tools, machining centers.
Here the precision combination vise is originated in Europe and the United States and other industrial developed countries, specifically for CNC machine tools, machining centers designed for a series of new features of the vise, such products have clamping flexibility, high positioning accuracy, clamping fast, can be used in groups, especially for CNC machine tools, machining centers.
Electro-permanent magnet clamps
Electric permanent magnet clamps are a new type of clamps designed by using new permanent magnet materials such as neodymium iron boron as magnetic force source and modern magnetic circuit principle. A large number of machining practice shows that the electric permanent magnet fixture can greatly improve the comprehensive machining efficiency of CNC machine tools and machining centers.
The clamping and unclamping process of electric permanent magnet clamps only takes about 1 second, so significantly shorten the clamping time; conventional machine tool clamps positioning elements and clamping elements occupy more space, while the electric permanent magnet clamps do not have these space-occupying components, so compared with conventional machine tool clamps, the clamping range of electric permanent magnet clamps is greater, which is conducive to the full use of CNC machine tools and machining stroke, which is conducive to improving the CNC machine tool Comprehensive processing efficiency. The suction force of electric permanent magnet clamps is generally 15-18Kgf/cm2, so it must ensure that the suction force (clamping force) is sufficient to resist the cutting force, in general, the adsorption area should not be less than 30cm², that is, the clamping force is not less than 450Kgf.