Wind Capacity Returns to Growth as Gearbox Demand Rises
By NEA figures, China added roughly 80 GW of grid-connected wind in 2025, roughly flat against 2024, and cumulative capacity reached about …
Technical Library
Geyontech technical library — in-depth articles on gear design, gear hobbing, gear grinding, heat treatment (carburizing, nitriding)
Carburizing & Quenching for Gears: Parameters & Quality
At Geyontech, all high-precision heavy-duty gear projects strictly follow ISO 6336-5 requirements for case hardness quality assessment.
Case Hardening vs Through-Hardening Steel for Gears
Compare case hardening vs through-hardening gear steels, including 20CrMnTi and 40Cr, load capacity, wear resistance, and material selection …
Daily Learning Note — Gear Heat Treatment Processes
Heat treatment processes for gears — carburizing, quenching, tempering and nitriding. Key parameters, applicable materials and hardness …
Deep Case Carburizing for Gears: Parameters and Deformation
- 18CrNiMo7-6 — wind turbine gearbox primary material
Four Criteria for Choosing the Right Gear Type
A systematic gear selection guide covering spur, helical, bevel and worm gears — with selection logic based on speed, load, ratio, noise and …
Gear Accuracy Grades & Inspection: ISO 1328 Selection Guide
Per ISO 1328, three key single-index parameters define gear accuracy:
Gear Accuracy Grades: DIN 3 to AGMA 15 Tables
A systematic guide to the four global gear precision standard systems (DIN/ISO/AGMA/GB) with grade comparison tables, speed-cost …
Gear Accuracy Standards & Inspection: ISO 1328:2013
ISO Grades 0–2: Precision instrument gears; Grades 3–5: High-speed gearboxes/aerospace gears; Grades 6–8: Industrial gearbox gears (most …
Gear Carburizing & Quenching Distortion Control Guide
- Thermal stress distortion: Differential expansion/contraction from non-uniform heating and cooling
Gear Carburizing & Quenching: Case Uniformity Control
Carburizing and quenching feeds carbon atoms into the surface layer of low-carbon steel (0.10%–0.25%C) in a carbon-rich atmosphere, then …
Gear Carburizing & Quenching: Distortion Control Guide
Definition: The perpendicular distance from the gear surface to where hardness reaches 550 HV. Typical engineering ranges:
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