This paper introduces the principle, two-stage oxidation blackening process of wind turbine bearing rings and rolling elements, carries out coating performance inspection, analyzes influencing factors of black oxide film quality, and verifies that the film with thickness 1~2 μm meets bearing service requirements.
This paper analyzes the center offset problem in aluminum alloy wheel surface milling caused by blank deformation, optimizes the positioning fixture with three-point spoke positioning method, reduces milling position deviation and improves product yield.
Study on thin-walled aluminum alloy parts machining deformation control. Optimize stress relief, clamping method, modular fixture and toolpath to keep deformation within 0.03 mm for low-rigidity 7075 aluminum structural parts.
Learn key factors for end mill selection including cutting depth, coolant, machine-tool performance and workpiece material. Analyze flute count, helix angle, rake angle, core diameter and outer geometry to select proper end mills for roughing and finishing milling.
Aiming at programming complexity and collision risks when machining internal cavities with right-angle milling head on horizontal CNC boring-milling machine, build digital twin via NX CAM and VERICUT, customize dedicated post-processor and conduct full-process collision simulation for higher machining safety and reliability.
Slender shafts (length-to-diameter ratio＞25) suffer from bending deformation and chatter during turning. Learn practical solutions including optimized clamping schemes, adaptive tool holder setup, reverse feed technology and tool selection to guarantee straightness, cylindricity and surface quality in precision slender shaft machining.
TC4 titanium alloy slingshots bring great polishing difficulties due to complex curved surfaces and deep holes. Discover the wet grinding plus compartmentalized dry polishing combined process to remove CNC tool marks, avoid collision scratches, achieve consistent 8K mirror finish and realize stable mass production of titanium alloy hardware.
Master CNC machining center cutting tools and parameters selection. Learn tool material types, rigidity requirements, and how to set cutting speed, depth for high-quality, efficient CNC machining.
Compare conventional lathe machining vs CNC machining from working principle, operation mode, accuracy, machining scope and prospect. Learn the value of Mechanical Dragon CNC cutting tools for both processes.
Learn mainstream mold steel heat treatment processes including quenching, tempering, nitriding, deep cryogenic treatment and oxidation. Understand process principles, functions and how heat treatment boosts mold hardness, wear resistance and dimensional stability.
