The absorption of laser energy depends on both the metal type and its surface c ...
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Protech Transfer Introduces Next-Generation Jewelry Manufacturing Technology at BGJF74
Featuring Indutherm VC200 and VC700V with Complete Manufacturing Solutions Desi ...
Centrifugal Grinding and Polishing
CF (Centrifugal Force) Grinding and Polishing is a process used to smoothen and ...
Why Stainless Steel Casting Is a Different Game. And How to Win It
By the Application Engineering Team at ProTech Transfer Co., Ltd. Most jewelr ...
Protech Transfer Joins the 74th Bangkok Gems & Jewelry Fair 2026
Protech Transfer is pleased to announce our participation in the 74th Bangkok G ...
Why Electro Finishing Is Changing How Jewellery Gets Its Shine
Every jewelry workshop knows the bottleneck. A batch of casted pieces sits wait ...
Impurities and Inclusions in Jewelry Casting – The Hidden Threat
Even trace levels of contamination can compromise the structural integrity and ...
Survey of Defect Types
Surface defects – Small Pores on Surface Surface defects – Pores and Dendr ...
Precious Metal Recovery from Electro-Polishing
Discover how jewelry manufacturers can recover gold, silver and rhodium from ...
Laser Welding Pulse Shaping
Laser Welding Pulse Shaping Square A universal wave form where the set e ...
Shrinkage Porosity in Jewelry Casting
What is Shrinkage Porosity? Shrinkage porosity refers to irregular cavities f ...
Hard and Soft Spots in Jewelry
Understanding Jewelry Spots Spots in jewelry are foreign particles that becom ...
Form Filling: Theory and Alloy Properties in Jewelry Casting
Understanding Metal Flow in Jewelry Casting The properties of liquid metal si ...
Gas Porosity in Jewelry Castingpost
What is Gas Porosity? Gas porosity manifests as small, round holes under the ...














