back rake angle

简明释义

1. 后倾角; 2. 后耙角;

英英释义

例句

1.The design of the cutting tool requires careful consideration of the back rake angle 后倾角 to ensure optimal performance.

切削工具的设计需要仔细考虑后倾角 back rake angle以确保最佳性能。

2.When setting up the CNC machine, adjust the back rake angle 后倾角 according to the material type.

在设置CNC机器时，根据材料类型调整后倾角 back rake angle。

3.A larger back rake angle 后倾角 can reduce cutting forces, making it easier to machine softer materials.

较大的后倾角 back rake angle可以减少切削力，使加工软材料更容易。

4.The back rake angle 后倾角 affects the surface finish of the machined part significantly.

切削部件的表面光洁度受到后倾角 back rake angle的显著影响。

5.For harder materials, a smaller back rake angle 后倾角 is often preferred to enhance tool life.

对于硬材料，通常更喜欢较小的后倾角 back rake angle以延长刀具寿命。

作文

The concept of back rake angle plays a crucial role in the field of machining and manufacturing. It refers to the angle formed between the cutting edge of a tool and a line that is perpendicular to the workpiece surface when viewed from the side. This angle significantly influences the cutting process, affecting both the efficiency of material removal and the quality of the finished product. Understanding the back rake angle is essential for engineers and machinists, as it directly impacts tool performance and longevity.When designing a cutting tool, one must consider the back rake angle to optimize its geometry for specific materials and applications. A positive back rake angle helps in reducing cutting forces, leading to smoother cuts and less wear on the tool. This configuration allows for better chip flow and minimizes the risk of built-up edge, which can deteriorate the cutting edge over time. Conversely, a negative back rake angle can be advantageous for certain tough materials, as it increases the strength of the cutting edge and enhances the tool's ability to withstand higher forces during machining.In practice, different industries have varying standards for the back rake angle. For instance, in the automotive sector, where precision is paramount, tools are often designed with specific back rake angles to achieve tight tolerances. On the other hand, in the woodworking industry, a different approach may be taken, where the back rake angle is adjusted to suit the characteristics of wood and the desired finish.Furthermore, the selection of the appropriate back rake angle is not solely based on the material being cut but also on the type of machining operation being performed. For example, during turning operations, a larger positive back rake angle may be preferred to enhance chip removal and improve surface finish. In contrast, during milling operations, a more neutral or slightly negative back rake angle might be chosen to ensure stability and control during the cutting process.The implications of the back rake angle extend beyond just tool performance; it also affects the overall productivity of the manufacturing process. By optimizing the back rake angle, companies can reduce cycle times, decrease tool wear, and improve the quality of their products, ultimately leading to higher customer satisfaction and reduced costs.In conclusion, the back rake angle is a fundamental aspect of tool design and machining operations. Its influence on cutting efficiency, tool longevity, and product quality cannot be overstated. As technology advances and new materials emerge, the understanding and application of the back rake angle will continue to evolve, highlighting the importance of ongoing education and research in this vital area of manufacturing. Engineers and machinists must stay informed about the latest developments and best practices regarding the back rake angle to remain competitive in an ever-changing industry.

“后倾角”（back rake angle）的概念在机械加工和制造领域中扮演着至关重要的角色。它是指切削工具的切削刃与垂直于工件表面的线之间的角度，从侧面看时形成的角度。这个角度显著影响了切削过程，影响材料去除的效率和成品的质量。理解back rake angle对于工程师和技工来说至关重要，因为它直接影响工具的性能和寿命。在设计切削工具时，必须考虑back rake angle以优化其几何形状，以适应特定的材料和应用。正的back rake angle有助于降低切削力，从而实现更平滑的切削和减少工具磨损。这种配置允许更好的切屑流动，并最小化边缘积聚的风险，这可能会随着时间的推移而恶化切削刃。相反，负的back rake angle对于某些坚硬材料可能是有利的，因为它增加了切削刃的强度，并增强了工具在加工过程中承受更高力的能力。在实践中，不同的行业对back rake angle有不同的标准。例如，在汽车行业，精度至关重要，因此工具通常设计为具有特定的back rake angle以实现紧密公差。另一方面，在木材加工行业，可能采取不同的方法，调整back rake angle以适应木材的特性和所需的表面处理。此外，选择合适的back rake angle不仅基于被切割的材料，还基于所执行的加工操作的类型。例如，在车削操作中，可能更喜欢较大的正back rake angle以增强切屑去除并改善表面光洁度。相反，在铣削操作中，可能会选择更中性或稍微负的back rake angle以确保在切削过程中稳定和控制。back rake angle的影响不仅限于工具性能；它还影响制造过程的整体生产率。通过优化back rake angle，公司可以减少周期时间、降低工具磨损并提高产品质量，最终提高客户满意度并降低成本。总之，back rake angle是工具设计和加工操作的基本方面。它对切削效率、工具寿命和产品质量的影响不容小觑。随着技术的进步和新材料的出现，对back rake angle的理解和应用将继续发展，强调在这一重要制造领域持续教育和研究的重要性。工程师和技工必须保持对最新发展和最佳实践的了解，以便在不断变化的行业中保持竞争力。