Kunshan Meiyaxing Hardware Machinery Co., Ltd. is a direct branch of Hong Kong Meiya International Trading Co., Ltd. in China. It owns its own cutting tool brand: MANF, and engages in the sales and operation of CNC cutting tools. It provides tungsten carbide end mills, milling inserts, turning inserts, grooving and parting inserts, drilling and boring inserts, multi-functional inserts, threading inserts, and other indexable inserts and their matching tool holders and tool holders. Furthermore, it has established long-term strategic partnerships with several well-known manufacturers, jointly developing R&D, design, and production teams, utilizing advanced equipment and continuously innovating technological capabilities to achieve [its goals]. Committed to mutual cooperation and guided by technical services, we form a mutually supportive industrial chain to solve various processing problems for manufacturing enterprises.
In the field of deep hole machining, when the hole depth reaches five times or even dozens of times its diameter, conventional drill bits are often helpless due to insufficient rigidity, difficulty in chip removal, and inability of cooling to reach the cutting area. At this time, extended deep hole gun drill inserts become the key tool for solving these extreme challenges. While not suitable for all drilling operations, their comprehensive advantages are irreplaceable under specific working conditions.
Significant Advantages: Why Can It Meet the Challenges?
1. 1. **Superior Rigidity and Guiding Performance:** The system employs a thick tool holder and a carbide guide bar that slides along the hole wall, forming full circumferential support after drilling to a certain depth. This effectively suppresses runout and vibration, ensuring excellent straightness and dimensional consistency of the hole.
2. **High-Efficiency Chip Removal and Cooling:** "High-pressure internal cooling" is its core technological advantage. High-pressure coolant (typically 7-20 MPa) reaches the cutting area at the tool tip directly through internal channels in the tool holder, forcibly "pushing" chips out from the V-groove on the outside of the tool holder. This "internal cooling and external removal" method completely solves the global problem of deep hole chip removal, while also excellently cooling the tool tip and extending tool life.
3. **Precise Dimensional Control and Surface Quality:** The asymmetrical design of the single-edge (main cutting edge) eliminates the problem of radial force imbalance. Combined with the finishing effect of the guide bar, high-precision, high-surface-finish holes can be drilled directly, often eliminating the need for subsequent reaming or boring processes, achieving "drilling instead of reaming."
4. **Excellent Machining Safety and Stability:** Real-time and effective chip removal prevents unexpected downtime or tool damage caused by chip clogging. Modular design allows for individual replacement of tool holders and inserts, resulting in high economic efficiency. The entire process is characterized by low noise and vibration, and minimal radial load on the machine tool spindle.
5. Flexibility and Economy
For different depths, extension rods of varying lengths can be flexibly combined, eliminating the need for dedicated drill bits for each hole depth. Inserts typically feature an indexable design with multiple usable cutting edges; after wear, only the cutting edges need to be changed or the insert replaced, resulting in low maintenance costs.
Application Examples
· Mold Industry: Drilling long cooling channels in injection molds.
· Automotive Industry: Deep oil holes in engine blocks and turbocharger shafts.
· Aerospace: High-precision deep holes in landing gear and actuator cylinders.
· Energy Equipment: Deep holes in boiler tube sheets and oil and gas exploration equipment.
The deep hole extended gun drill bit system is a precision engineering tool designed to conquer the limits of "depth." Its application is clearly defined-high aspect ratio, high precision requirements, difficult-to-machine materials, and high-efficiency mass production. Its core advantage lies in the perfect combination of high-pressure internal cooling chip removal, rigid guide support, and single-edge precision cutting, transforming deep hole machining from a high-risk, low-efficiency operation into a stable, reliable, and efficient key process. In today's pursuit of manufacturing limits and efficiency, correctly selecting and using extended gun drill technology is a crucial step for enterprises to enhance their core component processing capabilities and gain a competitive edge.
If you have any questions about MANF tool products, please call us for consultation or negotiation
Contact us:Company name:Kunshan Meiyaxing Hardware Machinery Co., Ltd;Tel:8618962438699;Address: Room 3003, Building 3, Zhengtailong, No. 1288 Chengbei Middle Road, Kunshan City, Jiangsu Province, China;Email:myxcuttingtools@gmail.com;Website: https://www.myxcuttingtools.com
