CNC machining

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Composite machining is one of the most popular machining processes in the world. It is an advanced manufacturing technology. Compound processing is several different processing technology, in a machine tool to achieve. Composite machining is the most widely used, the most difficult, is the turn-milling composite machining. Turning and milling compound machining center is equivalent to a CNC lathe and a machining center compound.

Categories: Rapid parts machining

Compared with the conventional CNC machining process, the outstanding advantages of composite machining are mainly shown in the following aspects.

(1) Shorten the product manufacturing process chain and improve production efficiency. Turning and milling compound processing can realize one loading card to complete all or most of the processing process, thus greatly shorten the manufacturing process chain of products. In this way, on the one hand, the auxiliary production time caused by the change of loading card is reduced, and at the same time, the manufacturing cycle and waiting time of fixture are reduced, which can significantly improve the production efficiency.

(2) Reduce the number of clamping, improve the processing accuracy. The reduction of loading times avoids the error accumulation caused by the transformation of positioning reference. At the same time, most of the current turn-milling composite machining equipment has the function of online testing, which can realize in-place testing and precision control of key data in the manufacturing process, so as to improve the machining accuracy of products.

(3) Reduce floor space and reduce production costs. Although the single unit price of the turn-milling composite processing equipment is relatively high, the overall fixed asset investment, production operation and management costs can be effectively reduced due to the shortening of the manufacturing process chain and the reduction of the equipment required for the product, as well as the reduction of the number of fixtures, workshop area and equipment maintenance costs.

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At present, most of the turning and milling complex processing, in the turning center to complete, and the general turning center is just the CNC lathe for the ordinary turret tool rest with power tool turret rest, spindle increase C axis function. Due to the turret tool holder structure, the size of the limit, powerhead power is small, the speed is not high, can not be installed larger tool. Such a turning center to the car-based, milling, drilling function is to do some auxiliary processing. The cost of power tool rest is expensive, resulting in the cost of turning center is high, the domestic price is generally more than 100,000, the import of more than 200,000, the general user can not afford. Economical turning and milling compound is mostly the XZC axis, which is to add a rotating C axis on the chuck to realize the basic milling function.

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