Gear Module Selection: Classification & Pressure Angle
Module m = d/z (pitch diameter / number of teeth), the most fundamental gear parameter. Covers gear classification and selection …
Technical Library
Geyontech technical library — in-depth articles on gear design, gear hobbing, gear grinding, heat treatment (carburizing, nitriding)
Gear Precision Inspection: ISO 1328 vs AGMA 2015 Guide
Compare ISO 1328:2013 and AGMA 2015 gear accuracy standards, tolerance grades, and inspection items to choose the right precision grade for …
Gear Precision Standards: DIN, ISO, AGMA & GB Cross-Reference
A systematic guide to the four global gear precision standard systems (DIN/ISO/AGMA/GB) with grade comparison tables, speed-cost …
Gear Steel Selection & Heat Treatment Deformation Control
Deep-dive notes from Geyontech's knowledge base: gear steel selection logic (20CrMnTi/42CrMo/20CrNi2Mo comparison), heat treatment …
Gear Steel Selection and Heat Treatment Distortion Control
Core principle after reviewing the gear steel documentation in the knowledge base: Material selection is not about strength alone — it is …
Helical vs Spur Gears: Efficiency, Design & Selection
The most essential difference between helical gears and spur gears lies in the direction of the tooth trace: spur gear teeth are parallel to …
Helical vs Spur Gears: Noise, Load and Selection Guide
In mechanical power transmission, helical gears outperform spur gears in smoothness, load capacity, and noise reduction due to their angled …
How Much Quieter Are Helical Gears Than Spur Gears?
Gear transmission is the core foundation of the mechanical industry, and among all gear types, helical gears stand out for their smooth …
Shot Peening for Gear Fatigue Life: 20CrMnTi and 40Cr Data
Shot Peening continues to rise in importance in gear manufacturing. Knowledge base data shows carburized gears (20CrMnTi) have fatigue life …
Spur Gear vs Helical Gear: How to Choose the Right Type
Select the service factor KA based on the types of prime mover and driven machine (usually 1.0–2.0). Calculation formulas:
Carburizing and Hardening Gear Deformation Control
In-depth analysis of the main factors affecting gear carburizing and quenching distortion, including steel hardenability, carburizing …
Gear Accuracy Standards Explained: DIN / ISO / AGMA / GB
Detailed explanation of the four major gear accuracy standard systems, with an accuracy grade comparison table to help customers select the …
Send us a drawing — get engineering feedback first
Upload a 2D/3D drawing (STEP, DXF, PDF) — we reply with a quote and lead time.