How should the machining challenges of CNC deep-hole drilling and boring machines be addressed?

Release time:

2016-12-29

CNC deep-hole drilling and boring machines are characterized by high precision, high efficiency, and a high degree of automation. When equipped with advanced drill bits such as gun drills, BTA drills, and jet–suction drills, they can complete in a single continuous operation processes that would normally require separate drilling, reaming, and broaching on conventional machine tools. However, during deep-hole drilling, these machines face challenges such as poor heat dissipation and difficult chip evacuation; moreover, the slender drill rods often exhibit poor rigidity, making them prone to bending and vibration. To address these issues, a hydraulic cooling system is typically employed.

How should the machining challenges of CNC deep-hole drilling and boring machines be addressed?

CNC deep-hole drilling and boring machines are characterized by high precision, high efficiency, and a high degree of automation. When equipped with advanced drill bits such as gun drills, BTA drills, and jet–suction drills, they can complete machining operations—such as drilling, reaming, and broaching—that would normally require multiple separate processes on conventional machine tools—in a single continuous cutting pass. However, during deep-hole drilling, these machines face challenges such as poor heat dissipation and difficult chip evacuation; moreover, the slender drill rods often exhibit poor rigidity, making them prone to bending and vibration. To address these issues, a hydraulic cooling system is typically employed.

In machining, holes with a depth-to-diameter ratio greater than 6 are generally classified as deep holes. Twist drills can be used for such operations, as they facilitate coolant penetration and produce fine chip curls that are efficiently evacuated by the drill.

Dezhou Boao Machinery Co., Ltd. (Tel: +86-534-2429518) is a leading enterprise in China’s deep-hole machining and specialized deep-hole machine tool industry. The company primarily manufactures CNC scraping and burnishing machines, CNC deep-hole drilling and boring centers, CNC deep-hole drilling machines, deep-hole drilling and boring centers, and CNC high-force honing machines for deep holes, among other products.

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Dezhou Boao Machinery Co., Ltd. specializes in providing machine tools such as deep-hole drilling machines. Contact us at +86-534-2429518. Our product lineup includes CNC scraping and burnishing machines, CNC deep-hole boring and reaming machines, CNC deep-hole drilling machines, deep-hole boring and reaming machines, CNC high-force deep-hole honing machines, specialized deep-hole machining centers, internal-wall grinding machines for steel pipes, external-round grinding machines for steel pipes, scraping and burnishing tools, deep-hole cutting tools, and a wide range of tooling and auxiliary equipment for machine tools.

Witness the successful first-time acceptance of China’s first CNC high-efficiency precision scraping and rolling machine for internal bores with a diameter of Φ630!

Advantages of Scraping and Burnishing Machines Manufactured by Dezhou Boao Machinery

The scraping and burnishing machine, also known as a boring-and-rolling machine or hydraulic-cylinder scraping-and-burnishing machine, is manufactured by Dezhou Boao Machinery using advanced European composite boring-and-rolling technology. A single reciprocating cycle completes both boring and rolling operations, achieving machining accuracy up to IT8 and surface roughness as low as RA 0.05–0.2 μm. It is primarily used for the precision finishing of internal bores in hydraulic cylinders. Compared with conventional honing machines, this equipment offers significant advantages, including lower noise levels, reduced environmental pollution, lower labor costs, and higher processing efficiency. Boao Machinery’s latest-generation scraping-and-burnishing machine delivers 20 times the productivity of traditional deep-hole drilling and boring centers, while maintaining stable performance and intelligent operation.