Deep hole skiving and rolling tools are indispensable and highly efficient equipment in the deep hole machining industry, playing a pivotal role in achieving high-precision and high-performance metal processing.

Deep hole skiving and rolling is an advanced chipless machining technology. It exerts stable and controllable pressure on the metal surface through high-hardness rolling tools, and uses the plastic deformation characteristics of metal materials at room temperature to smooth the microscopic unevenness of the workpiece surface. This technology can effectively reduce the surface roughness to below Ra 0.2, refine the internal structure of the material to form a nanocrystalline layer, and significantly increase the fatigue strength of parts by 30%, greatly improving the service performance of workpieces.

This process has strong adaptability and can be directly applied to conventional mechanical equipment such as lathes and drilling machines without purchasing special machine tools, which greatly reduces the production cost and transformation difficulty for enterprises. The machined surface will produce a uniform compressive residual stress layer, which can effectively inhibit the initiation and propagation of cracks, significantly enhance the wear resistance and fatigue life of parts, and extend the service cycle of key components. Rolling technology is mainly divided into three categories: external rolling, internal rolling and thread rolling, covering most processing scenarios.

The core component of deep hole skiving and rolling tools generally adopts high-performance GCr15 high-carbon chromium bearing steel to make tapered rollers, which have high hardness, good wear resistance and stable processing quality. According to different processing requirements, the tools are divided into multiple types: single-row tapered roller rolling head, double-row tapered roller rolling head, as well as compound integrated tools such as boring-reaming-rolling, boring-rolling, reaming-rolling and deep hole skiving-burnishing tools, which can meet the diversified high-precision deep hole processing needs of different industries.

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