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 services 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 a technology-service-oriented approach. This forms a mutually supportive industrial chain, solving various processing problems for manufacturing enterprises.
In the world of CNC turning, every tool mark is a battle between efficiency and precision. If an 80° tool tip angle is a powerful punch in roughing, then a 35° diamond-shaped insert is a nimble and sharp dagger in finishing. And when this "precision dagger" is coated with a colorful, high-performance coating, it brings not only visual innovation but also a comprehensive leap in cutting performance.
III. The Superior Advantages of 35° Finishing Colored Inserts
When the precise geometry of 35° meets high-performance coating technology, their perfect fusion brings a qualitative leap to the field of precision machining:
· Ultimate Surface Quality: The 35° sharp tip and the low coefficient of friction of the coating work together to suppress built-up edge formation at its source, allowing the turned surface to directly approach the effect of grinding. The surface roughness Ra value can be easily controlled within the ideal range of 0.4-1.6μm, significantly reducing or even eliminating subsequent polishing processes.
· Significantly Improved Tool Life: The high-performance coating acts as a robust thermal barrier, building a strong defense for the insert substrate in the high-temperature cutting area, thus extending tool life exponentially and effectively reducing the cost per piece.
· Wider Material Compatibility: From ordinary carbon steel and stainless steel to hardened steel (HRC 50-65), cast iron, and even difficult-to-machine materials such as titanium alloys and high-temperature alloys, the 35° precision turning colored insert can handle them all with ease.
IV. Practical Application Guide for Precision Turning To fully unleash the performance of the 35° precision turning colored insert, the following practical points deserve special attention:
(I) Precise Matching of Coating and Material Coating selection is the crucial first step for successful precision turning. The following are some general matching principles: Coating Type Insert Color Hardness HV Temperature Resistance (°C) Main Materials and Application Scenarios
TiN Golden Yellow 2300~2500 600°C Cost-effective choice, suitable for medium-low speed turning of general steel parts and cast iron
TiCN Blue-Gray 3000~3500 400°C Does not easily stick to chips, suitable for turning stainless steel, titanium alloys, and aluminum alloys
TiAlN Purplish-Black 3000~3500+ 900°C Mainstream finishing, suitable for high-speed dry cutting and steels below HRC 50
AlCrN Silver-Gray 3500+ 1000°C Combines strength and toughness, suitable for high-temperature alloys and high-impact interrupted machining
CBN Coating Bronze/Gray-Brown - - A powerful tool for hard turning, specifically for finishing hardened steel (HRC 50 and above)
Data Source: (II) Optimal Machining Parameters
Finishing focuses on surface quality rather than material removal rate. Recommended parameter ranges are as follows:
· Cutting Speed: When turning steel parts, it is recommended to control the cutting speed within the range of 80-200 m/min; if using CBN inserts for hard turning of hardened steel, the commonly used cutting speed is 100-150 m/min. You can also refer to the specific linear speed recommendations provided by the coating supplier. For example, for TiAlN coatings, a linear speed of 150-250 m/min is recommended.
Depth of Cut: The depth of cut (ap) for finish turning is generally controlled between 0.1-0.5 mm; if using CBN inserts for hard turning of hardened steel, a depth of cut no greater than 0.3 mm is recommended to maximize the coating's performance.
Feed rate: The feed rate f is typically 0.05-0.15 mm/rev to ensure ideal surface roughness.
(III) Trade-off between tip radius
35° diamond inserts offer two commonly used tip radius specifications: R0.4 and R0.8. R0.4 has a sharper tip and a higher surface finish, suitable for high-precision finishing; R0.8 has higher tip strength and better wear resistance, suitable for continuous long-term machining. Selection should be flexible based on machining accuracy and lifespan requirements.
(IV) Machine tool and working conditions coordination
While 35° precision turning colored inserts offer excellent performance, they also place higher demands on the machining system. It is recommended that the machine tool have good rigidity, stable spindle output torque, and an ample cooling system (especially in machining materials such as stainless steel, high-pressure cooling can significantly improve tool life). Furthermore, machining hardened materials... When machining high-hardness materials such as steel, dry cutting or minimum quantity lubrication (MQL) is the primary method to fully utilize the red hardness advantage of the coating.
Unlocking the future of precision machining, 35° precision turning colored inserts represent a perfect marriage of geometry and materials science in machining. With their extreme sharpness, they embody the pursuit of precision in machining, while their vibrant colors speak to the profound depth of materials science. In modern manufacturing's relentless pursuit of efficiency and precision, the accurate selection and flexible application of 35° precision turning colored inserts have become an indispensable core competency for every process engineer and CNC operator. When the tool tip draws a perfect arc of light, it is not only a transformation of cold, hard metal, but also a moving echo of technological accumulation and craftsmanship intertwined in the CNC era.
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
