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Professional Zinc Alloy Surface Finishing Solutions

Gold & Precious Plating — Technician Levels

Gold & Precious Plating — Technician Levels

Pick your level to see exactly which pages you should read. Each level below carries its own article library.

Gold & Precious Plating: which level are you?Four levels - the work you do on this equipment, and the pages you should read.plating tankJunior1-3 yearsplating tankIntermediate3-5 yearsplating tankSenior5-8 yearsplating tankManagementsupervisor / owner

What each level covers

Junior · 1-3 years
Start here if you are 1-3 years in: the standard steps, the daily checks and the values you must not skip.
Inside: 5-step flow walk-through · daily check list · basic parameter values · simple do / do-not rules
Gold & Precious Plating → Junior pages
Intermediate · 3-5 years
For 3-5 years: diagnose defects, read real data (titration, hull cell, salt spray, film gauge) and set the working windows.
Inside: defect cause & cure · parameter windows · data reading · option comparisons
Gold & Precious Plating → Intermediate pages
Senior · 5-8 years
For 5-8 years: how the steps before and after this one change your result - root cause, cross-process reasoning, deep analysis.
Inside: root-cause tracing · interaction with pre-treatment / post-finish · failure analysis · boundary conditions
Gold & Precious Plating → Senior pages
Management · supervisor / owner
For the supervisor / owner: cost per piece, capacity, staffing, emergency recovery and keeping customers happy.
Inside: cost & payback models · capacity and staffing · KPI and governance · claims & recovery plans
Gold & Precious Plating → Management pages

Gold & Precious Plating on the shop floor

Barrel Plating Line (Cu + Ni + Au-flash)INTERMEDIATEGold & Precious Plating - process boardOperatorParts must be LIVE before they touch the bath - no deadentry, ever.ChemistCu strike at 0.5-1.5 A/dm2: a thin strike stops zincreaching the nickel.QCSalt spray 24 h plus colour match against the goldstandard panel.ManagerGold flash is the expensive layer - track cost per 1000pcs.STEP 1Load & DegreaseLoad 60-70%Cathodic 2 minCheck danglers1STEP 2Alkaline Cu StrikeCu 8-12 g/L0.5-1.5 A/dm23-6 min2STEP 3Bright NickelNi 60-80 g/L0.5-2 A/dm210-20 min3STEP 4Imitation-Gold FlashAu flash 0.5-1 g/L0.3-0.8 A/dm230-90 s4STEP 5Rinse & DryCascade x360-70 CWeight check5!A dead entry dissolves zinc into the bath and kills adhesion - current on first.COMMON MISTAKES vs WHAT WORKSfrom shop-floor auditsxEnter the bath dead (no current)vLive entry: current on before immersionxSkip the copper strikevCu strike stops zinc contaminating the nickelxJudge gold colour under warm lightvCompare with the standard panel under D65 light3-6 minCu strike10-20 minNi layer30-90 sAu flashCASE FROM THE LINECase: blistered gold traced to a dead entry that dissolved zinc into the nickel.QLQ Surface Treatment | steps, roles, checkpoints, mistakes and a real case

Related: Process Overview · All trades · Process Selection