Kunshan Meiyaxing Hardware Machinery Co., Ltd. is a direct branch of Hong Kong Meiya International Trading Co., Ltd. in China. It owns its own 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, committed to mutual cooperation and leveraging technology... With a service-oriented approach, a mutually supportive industrial chain is formed to solve various processing problems for manufacturing enterprises.
In the field of machining, deep hole machining (typically referring to holes with an aspect ratio exceeding 10) has long been considered an extremely challenging problem. Traditional processes often use extended twist drills, but this method is often inadequate in the face of ever-increasing demands for efficiency and precision. As a high-quality and efficient tool for deep hole drilling, extended gun drills and their core component-the insert-are becoming a key technology for overcoming this bottleneck due to their unique advantages. It is not merely a tool, but represents a high-precision, high-efficiency deep hole machining solution. The lifespan of extended gun drill inserts is not a fixed value; it is influenced by a combination of factors, including materials, coatings, cutting parameters, and operating conditions. By scientifically managing these variables, its economic value can be maximized.
1. Coating Technology: The Key to Doubling Lifespan
Cutting tests on coated gun drills under micro-volume lubrication (MQL) conditions show that coatings significantly improve lifespan.
* Uncoated gun drill: Failed due to severe wear after machining only about 10 workpieces.
* TiCN+TiN multilayer coating: Stable machining of 50 workpieces.
* TiAlN single-layer coating: Superior performance, capable of machining 60 workpieces; its higher red hardness (adapting to temperatures up to 900°C) is more advantageous in high-speed cutting.
2. Drill Tip Geometry: Details Determine Success or Failure
Optimizing drill tip geometry for specific materials can multiply tool life. Case studies show that when machining 42CrMo, improving the geometry of the gun drill tip successfully solved the problems of poor chip removal and rapid wear, increasing tool life by more than two times. 3. Proper Regrinding Management
Gun drills are precision cutting tools and require mandatory regrinding after use. Regrinding with a professional gun drill grinder restores their original geometric accuracy, which is essential for ensuring tool life and machining consistency.
Extended gun drill inserts, with their high precision achieved in a single pass, extreme efficiency without the need for retraction, and lifespans several times longer than traditional tools through coatings and optimized design, have revolutionized the deep hole machining field. Although the initial investment and regrinding management requirements are higher than for ordinary twist drills, the resulting quality stability and overall cost advantages are revolutionary. For any company facing deep hole machining challenges, introducing gun drill technology is a highly strategic investment.
If you have any questions about MANF brand tools, 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
