manufacturing-engineering

Design and analysis of a metal forming die system including CAD modeling, forming calculations, and tooling design for manufacturing processes.

An interactive CNC fiber laser cutting speed chart & empirical feed rate estimator 1000W to 30000W for steel, stainless steel, aluminum, and brass. Fully responsive and client-side.

New grad and entry level mechanical, manufacturing and design engineering jobs, from employers' own job boards. Rebuilt every Monday. Maintained by Litos.

Robotic MAG girth weld of a hydraulic cylinder tube to its base: EN 1011-2 preheat, Yurioka HAZ hardness, tendon-force bore necking, interpass and cycle time, trade study, FANUC LS program. Systems-engineering dossier after Wasson.

Workholding for turned hydraulic-cylinder parts: Kienzle cutting force, VDI 3106 grip at speed, harmonic axisymmetric FE of the chuck squeeze, roundness and gauge blindness, FANUC/Sinumerik programs with a physics read-back. Systems-engineering dossier after Wasson.

Engineering knowledge base covering aluminum die casting, zinc die casting, plastic injection molding, mold flow analysis, and DFM manufacturing principles.

Personal resume website of Li Lu - Machining Development Engineer at GE Vernova, Singapore. CNC machining, process development, advanced manufacturing. Bilingual EN/ZH.

Python toolkit for Cp/Cpk, PFMEA, OEE, Gauge R&R, SPC, process data, and manufacturing improvement.

Design, simulation, and optimization of a C45 steel hot-forging process using SolidWorks and 2D/3D QForm simulations.

Complete engineering, strip nesting optimization, FIBRO/DIN standard component synthesis, and SolidWorks CAD assembly of a progressive shearing die for St12 cold-rolled steel.

Open industrial manufacturing knowledge base: aluminum & magnesium die casting, CNC machining, injection molding, tooling and automotive manufacturing. 50 technical articles.

An end-to-end mechanical design and manufacturing project featuring a high-ratio (1:10) planetary gearbox and an oscillating air engine. Demonstrates proficiency in kinematic joint modeling, ISO tolerance standards, and multi-platform CNC programming (Siemens ShopMill & Fanuc G-Code).

Drawing-led carbide tool selection reference for CNC features, materials, holders, toolpaths and inspection.