Changelog
This page tracks all significant updates to LaserSpecHub, including content improvements, data refreshes, new features, and technical enhancements. We update this log regularly to maintain transparency about our content quality and accuracy.
January 15, 2026Content Quality Enhancement
🎯 Major Content Improvements
- About Page Rewrite: Updated to reflect authentic individual developer identity. Added 10 authoritative data sources including ISO standards (ISO 11146-1:2021, ISO 9013:2017, ANSI Z136.1, GB/T 19356), academic literature (Steen & Mazumder "Laser Material Processing", Powell "CO2 Laser Cutting"), and manufacturer documentation (Trumpf, Bystronic, Amada).
- Data Source Methodology: Added detailed data processing methodology including multi-source verification, cross-checking procedures, and quarterly update schedule.
- Removed Fabricated Content: Eliminated all unverifiable claims (15 instances) including fabricated team references, unverified statistics, and independent testing claims. Replaced with honest statements based on publicly available manufacturer specifications.
📐 Power Calculator Enhancement
- Complete Calculation Formula: Added fundamental power calculation formula (P = ρ × c × ΔT × t × v / η) with detailed variable explanations. Formula source: Steen, W.M. & Mazumder, J. (2010) "Laser Material Processing", Chapter 3.
- Material Absorption Efficiency Table: Created comprehensive table for 6 materials (carbon steel, stainless steel, aluminum, copper/brass, acrylic, wood) comparing fiber laser (1070nm) vs CO2 laser (10600nm) absorption rates. Data sources: Steen & Mazumder (2010), ISO 11146-1:2021, manufacturer technical data (Trumpf, Bystronic, IPG Photonics).
- Practical Correction Factors: Added 4 types of correction factors (safety factor 1.5-2.0x, quality factor 0.7-1.8x, thickness factor, speed factor) with calculation examples.
- Validation Documentation: Added accuracy statements (±15-25% compared to actual equipment) and validation data sources (Trumpf TruLaser speed charts, Bystronic ByStar process parameters, IPG Photonics application guides).
📚 Glossary Enhancement
- Beam Quality (M²): Added ISO 11146-1:2021 standard reference for M² parameter definition and measurement methods.
- Edge Quality: Added ISO 9013:2017 reference for thermal cut quality classification and geometrical product specification.
- HAZ (Heat Affected Zone): Added ISO 9013:2017 reference for HAZ definition and measurement methods for thermal cutting processes.
- Kerf Width: Added ISO 9013:2017 reference for kerf width measurement and tolerance specifications.
📅 Article Timestamps
- Added publication dates, last update dates, and data validity periods to key guides including Selection Guide, Power Selection Guide, and CO2 vs Fiber Laser comparison.
- Standard format: Published (March 15, 2024), Last Updated (January 15, 2026), Data Valid Through (2026).
🔧 Technical Application Scenarios
- Scenario 1 - High-Speed Carbon Steel Cutting: 3mm carbon steel, 500 parts/day. Recommended 6kW fiber laser, 12 m/min cutting speed. Data source: Trumpf TruLaser speed tables (2024).
- Scenario 2 - Precision Stainless Steel Nitrogen Cutting: 6mm stainless steel 304/316, oxide-free edges for food processing. Recommended 6kW fiber laser, 2.5 m/min with nitrogen. Data source: Bystronic ByStar process parameters (2023).
- Scenario 3 - Aluminum Batch Production: 3mm aluminum 5052/6061, 300 parts/day. Recommended 6kW+ fiber laser (high power for reflective materials), 5 m/min. Data source: Material absorption efficiency from Steen & Mazumder (2010) and Power Calculator methodology.
- Each scenario includes detailed requirements, equipment recommendations, technical rationale, performance calculations, and selection results with data source citations.
Upcoming Updates
📋 Planned Improvements
- Additional Guide Timestamps: Adding publication and update dates to remaining 30+ guide pages for improved content freshness indicators.
- Schema Markup Enhancements: Expanding structured data coverage across calculators, guides, and FAQ pages to improve search engine visibility.
- Content Gap Filling: Developing Cost Calculator, ROI Calculator, and brand comparison articles (Trumpf vs Bystronic, IPG vs Raycus).
- Database Updates: Quarterly equipment database refresh with 2026 Q1 models, discontinued systems flagging, and pricing adjustments.
Data Refresh Schedule
About This Changelog
This changelog documents significant content updates, feature additions, and data refreshes to maintain transparency about the quality and currency of information on LaserSpecHub.
Update Frequency: Major updates are logged immediately. Database refreshes occur quarterly. Technical guide updates follow ISO standard revisions and manufacturer specification releases.
Data Sources: All technical data comes from authoritative sources including ISO standards (ISO 11146, ISO 9013, ANSI Z136.1), academic literature (Steen & Mazumder, Powell), and manufacturer official documentation (Trumpf, Bystronic, Amada, IPG Photonics).
Disclaimer: LaserSpecHub is an individual developer project focused on technical information sharing. All data is compiled from publicly available sources for educational purposes. For critical applications, always consult equipment manufacturers and conduct comprehensive testing before making purchase decisions.
This changelog was last updated on January 15, 2026
Next scheduled update: February 2026 (Q1 2026 data refresh)