增强结构完整性和可持续的加工流程优化,用于防锁制动系统液压门块
Alexandru-Nicolae Rusu1, Dorin-Ion Dumitrascu2, Adela-Eliza Dumitrascu1
1Department of Manufacturing Engineering, Transilvania University of Brasov, 5 Mihai Viteazul, 500036 Brasov, Romania.
Materials (Basel, Switzerland)
|December 11, 2025
概括
这项研究优化了防锁制动系统 (ABS) 液压门块,实现了更轻,更强的MK100设计,提高了制动性能和制造效率. 过渡也通过先进的机械加工和冷却剂技术提高了可持续性.
科学领域:
- 机械工程 机械工程
- 汽车工程 汽车工程
- 材料科学 材料科学 材料科学
背景情况:
- 汽车行业不断寻求提高车辆的安全性和效率.
- 反阻塞制动系统 (ABS) 的液压门块是关键的安全部件.
- 从旧的设计 (MK60) 过渡到新的设计 (MK100) 提供了增强的机会.
研究的目的:
- 为了提高ABS液压门块的结构完整性.
- 优化加工过程以提高生产率和可持续性.
- 为了评估MK60和MK100ABS门块设计之间的性能差异.
主要方法:
- 用于结构评估的有限元分析 (FEA).
- 拓优化以减少材料和提高强度.
- 固定装置重新设计和实施先进的冷却液技术,以优化制造.
主要成果:
- MK100的设计实现了31.6%的质量减小,拉伸强度增加了29.2%,疲劳寿命延长了35%.
- 压力损失减少了38.8%,提高了制动反应.
- 制造能力翻了一番,循环时间减半,冷却液更换间隔显著延长,降低了成本和环境影响.
结论:
- 将计算设计与先进的机械加工相结合,可以带来巨大的机械和经济效益.
- 在性能和效率方面,MK100 ABS门块代表了MK60的显著进步.
- 该研究验证了汽车行业可持续制造实践的可行性.
相关概念视频
Application of Pascal's Law
10.2K
Pascal's experimentally proven observations—that a change in pressure applied to an enclosed fluid is transmitted undiminished throughout the fluid and to the walls of its container—provide the foundations for hydraulics, one of the most important developments in modern mechanical technology.
Hydraulic systems are used to operate automotive brakes, hydraulic jacks, and numerous other mechanical systems. We can derive a relationship between the forces in a simple hydraulic system...
Hydraulic systems are used to operate automotive brakes, hydraulic jacks, and numerous other mechanical systems. We can derive a relationship between the forces in a simple hydraulic system...
10.2K
Frictional Forces on Screws
1.5K
Screws are characterized by a helical ridge known as a thread wrapped around a cylindrical shaft. They are commonly used as fasteners to hold objects together or to transmit power and motion in machines. One type of screw that is particularly useful for transmitting power is the square-threaded screw.
A jack with a square-threaded screw is a mechanical device used to lift heavy loads by applying a force at its handle. When the force is applied, the screw turns, raising the load. The screw can...
A jack with a square-threaded screw is a mechanical device used to lift heavy loads by applying a force at its handle. When the force is applied, the screw turns, raising the load. The screw can...
1.5K
Design of Transmission Shafts - Stress Analysis
700
Designing a transmission shaft requires a thorough understanding of the stresses induced by bending moments and torques, especially in systems where power is transferred through gears. These forces create force-couple systems at the centers of the shaft's cross-sections, leading to both transverse and torsional loading. Although shearing stresses from transverse loads are typically smaller than those from torques and are often overlooked, the significant normal stresses from these loads...
700
Design of Transmission Shafts
714
The design of a transmission shaft is governed by two primary specifications: the power it transmits and its rotational speed. These parameters guide the selection of the shaft's material and cross-sectional dimensions, ensuring that the material's maximum shearing stress remains within the elastic limit while transmitting the desired power at the given speed. The system's power is intrinsically linked to the applied torque. The torque applied to the shaft can be calculated by reconfiguring the...
714
Design Example: Deciding Thickness of Lubricating Fluid in a Shaft
316
Effective lubrication between a rotating shaft and its bearing housing is essential in rotating machinery to minimize friction, wear, and energy loss. With carefully controlled thickness and viscosity, the lubricant layer prevents metal-to-metal contact, ensuring smooth operation.
To calculate the required thickness of the lubricant layer, the tangential velocity at the shaft's surface must first be determined. This velocity is calculated by converting the rotational speed to angular velocity...
To calculate the required thickness of the lubricant layer, the tangential velocity at the shaft's surface must first be determined. This velocity is calculated by converting the rotational speed to angular velocity...
316
Design Example: Creating a Hydraulic Model of a Dam Spillway
641
Scaled hydraulic models of dam spillways provide a practical way to replicate and study the intricate flow dynamics of these structures. Often built to a 1:15 ratio, these models allow for observing critical water behavior, such as velocity distribution, flow patterns, and energy dissipation.
641


