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Professional Zinc Alloy Surface Finishing Solutions

Mould Making — Technician Levels

Mould Making — Technician Levels

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

Mould Making: which level are you?Four levels - the work you do on this equipment, and the pages you should read.mould halves + cavitiesJunior1-3 yearsmould halves + cavitiesIntermediate3-5 yearsmould halves + cavitiesSenior5-8 yearsmould halves + cavitiesManagementsupervisor / owner

Process route: Design Review → Machining → Assembly & Trial → Maintenance → Handover

+-0.02 mm
Tolerance
Ra 0.4 um
Surface
5 days
T1 lead time

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
Mould Making → 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
Mould Making → 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
Mould Making → 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
Mould Making → Management pages

Mould Making on the shop floor

Mould ShopINTERMEDIATEMould Making - process boardToolmakerCooling layout decides cycle time - fix it at design,not on the bench.OperatorEjector travel set wrong bends pins and scratches theparts.QCThe T1 sample decides the tool - check dimensions beforefinal polishing.ManagerShots between services is the number that pays forpreventive work.STEP 1Design ReviewDraft 1-2 degShrink 0.5-0.7%Gate position1STEP 2MachiningTol +-0.02 mmRa 0.4 umCooling circuit2STEP 3Assembly & TrialFit checkT1 samplingEjector travel3STEP 4MaintenancePM at 500k shotsPolish cavitySpare pins4STEP 5HandoverSample reportDrawing packOperator training5!Shrinkage 0.5-0.7%: a cavity cut to nominal size makes undersized parts.COMMON MISTAKES vs WHAT WORKSfrom shop-floor auditsxCut the cavity to nominal sizevAllow 0.5-0.7% shrinkagexPolish the cavity before T1vCheck dimensions first, then polishxFix cooling on the bench latervDesign the cooling layout up front+-0.02 mmToleranceRa 0.4 umSurface5 daysT1 lead timeCASE FROM THE LINECase: a 12% cycle-time gain came from re-cutting one cooling channel.QLQ Surface Treatment | steps, roles, checkpoints, mistakes and a real case

Related: Process Overview · All trades · Process Selection