Methods are focused on turning method and the dispersion process turning method two types of processes, centralized process took only one process can be completed one or more rings of turning, and scattered process to be completed several times a clamping ring of turning, they each have their own characteristics:
1 process is characterized by centralized
(1) a clamping cycle to complete most or all turning operations, reducing the positioning error and the clamping ring clamping positioning auxiliary time and improve the surface of the ring between the location and dimensional accuracy, improve productivity. If the batch production of medium and small rings in a multi-axis automatic lathe can drive a 2 to 3.
(2) Shorten the process, reducing the intermediate storage, handling, transport links and easy production management; reduce the amount of machine equipment and tools.
(3) Is conducive to automation and mass production, shortening the production cycle, reduce production costs.
At the same time on the lathe, tools, fixtures and auxiliary tools, process equipment and the work piece blank have higher requirements. Such as requiring less rough and stay in a higher dimension accuracy, microstructure and hardness of the surface quality requirements more stringent; requires greater power lathe, rigidity and high precision and automation, often with multi-tool , multi-stage, multi-station multi-axis semi-automatic and automatic machines, generally used for mass production should be multi-axis automatic machine tools, for medium and small batch and process models should adopt the multi-tool changing semi-automatic lathes; process equipment type and quantity, special and strong, the replacement model problems, adjustment difficulties and time-consuming, require a higher skill level of workers, need a reasonable organization of production management.
(2) the characteristics of distributed process method
(1) is suitable for medium and small batch and single-piece production. It’s easy to organize production, machine tools, fixtures simple and economical, easy to replace the bearing type, and low cost, If automatic line connected into a single, also suitable for mass production.
(2) can be used with good rigidity and high-efficiency power a large lathe to machine, easy to select the optimum process parameters, cutting tool path can be high speed and large, to improve the processing efficiency.
(3) Can be achieved for stand-alone automatic loading and unloading, automatic and automatic measurement of tool path, the machine easy to operate, high technology is not required for workers.
(4) Of the ferrule blank ask for much, all kinds of form, size, precision blanks can adapt to varying quantities.
But "decentralized procedure" process routes are many and long process, processing time and inter-process stop storage, transport, inspection, etc. for a long time loading and unloading, a ring subject to multi-machine, multi-process, multiple clamping location, operation and inspection of more than positioning error, machining accuracy is poor，Increased human, financial, material and energy consumption.
In summary, the use of "focus turning method" is a trend, "decentralized procedure" is a limited production conditions, the small factory use.



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