Solution for Deep Hole Processing of Cylinder Head Oil Holes

Solution for Deep Hole Processing of Cylinder Head Oil Holes

The main oil passage hole in the cylinder head of the engine is mainly used for engine lubrication. Many oil passages on the cylinder head are directly or indirectly connected to the main oil passage. The main oil passage hole is the most important oil hole in the cylinder head. At present, the best and most efficient method for processing such deep holes is the gun drilling method of internal cooling and external chip removal, which is extremely widely used. Satisfactory processing quality can be obtained, and the processing efficiency is extremely high.

With the standardization of production processes, traditional machining centers using gun drills to process oil holes have gradually been replaced by specialized deep hole drilling machines. The entire machining process has a high degree of automation and can be combined with flexible production lines such as machining centers, robotic arms, material channels, ID reading and writing trays. In order to meet the requirements for production rhythm, it is possible to consider using high-efficiency specialized gun drilling deep hole machine tools for processing. Its characteristic is to design according to the characteristics and requirements of the workpiece, using specialized tooling. The machine tool adopts a progressive structure, thus requiring extremely high assembly accuracy. And the use of gun drills can shorten the total length as much as possible to meet the processing depth, thereby improving the machining accuracy of drilling, reducing the tool grinding cycle and usage costs.

The clamping and positioning of the cylinder head adopts a fully automatic method, and manual labor only needs to place the workpiece in the pre positioning position. The machine tool has two main shafts, and two independent single axis machining units are located on both sides of the workpiece clamping system on the bed. The two main shafts do not affect each other during the machining process. This processing method can ensure the positional accuracy of the oil hole inlet and outlet, and the cylinder head only needs to be clamped once during the processing process. Through the machining of cylinder head oil holes, in addition to selecting the appropriate clamping method and machine model, it is more important to choose the appropriate gun drill (gun drill form, blade grinding angle, special treatment situation). Only in the end can we reach a stable state.

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