Abstract
In modern manufacturing engineering, a major challenge is the contradiction between the need to reduce the time required to design and manufacture the products and the increasing complexity of product design. Today's market requires more varieties of products, and consequently the equipment and proc
Highlights
Modern production is characterized by multiproduct manufacturing and instability of the volume of products output
The proposed fixtures, which are included in the system of modular adjustable fixtures, include the parts of different types and definite group of standard sizes and allow carrying out the machining on the machine tools of drilling-milling-boring group
As exemplified by machining of prismatic parts, shafts and lever-type parts by means of numerical simulation has been proved, that the rigidity of the fixture configuration is sufficient for performing the machining within the cutting modes, which are recommended by the developers of the cutting tools
Summary
Modern production is characterized by multiproduct manufacturing and instability of the volume of products output. In constructions of automobile units almost all types of parts, existing in design and engineering classifiers of machine-building, are presented, in particular: prismatic parts, covers, cylinder blocks, crankcases, shafts, rods, flanges, discs, bushings, pistons, levers, connecting rods, brackets, etc., which require the accurate location and reliable clamping during the machining for ensuring the parameters, set by product engineer, that allow increasing the efficiency and reliability of the product as a whole. It should be noticed that considering the expansion of technological capabilities of modern machine tools, their high cost and the necessity to perform the large number of adjustments while transferring to the machining of parts of other standard size, intensification of manufacturing processes becomes rapidly developed This provides the increasing of fixture flexibility, decreasing of preparatory time and reset time, and possibilities of multiaxis and multitooling machining of parts per one setup that should be ensured by fixture configuration. All this assists the decreasing of time consumption on the production planning and positively influences on the decreasing of cost of products
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