This paper proposes a collaborative measurement method combining star probes and single-rod probes for the precision inspection of deep narrow internal grooves on hydraulic cylinder guide sleeves, realizing automatic evaluation of concentricity and other geometric tolerances.
This study investigates HEDP anodizing of 7075 aluminum alloy, analyzing oxide film growth mechanism, microstructure, corrosion resistance and friction performance compared with sulfuric acid anodizing.
This article explores green cutting technology in machining, covering dry cutting, semi-dry MQL, eco-friendly cutting fluids and recycling, with practical automotive machining case studies.
This paper investigates the coloring mechanism of titanium alloy anodized coatings based on thin-film light interference. A sulfuric acid anodizing scheme is verified to obtain uniform blue film, and optimal parameters including temperature, voltage and time are determined. The coating delivers good corrosion resistance and assists part identification in aerospace assembly.
Aiming at positioning error and poor flexibility of traditional fixtures for CNC milling machines, this paper introduces fixture design essentials, multi-workpiece one-time clamping improvement and chip removal optimization scheme for vertical milling machines, to boost machining stability and production efficiency in high-variety low-volume manufacturing.
This article investigates principal cutting force in laser cladding TC4 alloy high-speed milling. It explores how milling direction, feed rate, cutting depth and milling speed affect principal cutting force and carries out process parameter optimization for titanium alloy machining.
This paper introduces the function of bearing anti-rotation lugs, compares traditional CNC macro programming and UG automatic programming. It elaborates UG modeling, toolpath setup, milling parameters and drawing interpretation for aviation bearing anti-rotation structure machining, improving programming safety and error prevention.
This paper presents a closed-loop precision control method for thin-walled high-temperature alloy parts, integrating dynamic stiffness field modeling, cutting force-deformation coupling prediction, multi-constraint parameter optimization and real-time error compensation. Validated on GH4169 engine casing, the approach greatly reduces machining deformation and improves dimensional pass rate and production efficiency.
This paper proposes a multi-dimensional systematic optimization scheme for turning-milling composite machining of precision mechanical parts, covering process route planning, cutting parameters, tool & fixture configuration, equipment maintenance and digital monitoring. Verified by 45 steel precision shaft tests, the method boosts machining accuracy, raises efficiency and cuts manufacturing costs for mass production.
