MECHLINEENGINEERING

Guides for engineering and sourcing teams

Practical, vendor-neutral guides on outsourcing mechanical design and manufacturing — written by engineers for buyers in the United States and Europe.

Guide · 8 min read

Contract manufacturing in Turkey: a practical guide for US and European buyers

How contract manufacturing in Turkey works for US and European companies: processes, quality control, shipping terms (DAP/DDP), customs and how to choose a supplier.

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Guide · 7 min read

Manufacturing in Turkey vs China: cost, lead time and risk compared

An honest comparison of manufacturing in Turkey vs China for US and European buyers: unit cost, lead time, shipping, tariffs, communication and supply-chain risk.

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Guide · 7 min read

How to outsource mechanical design without losing control

A practical guide to outsourcing mechanical design: when it makes sense, how to write the brief, what deliverables to ask for, how to protect your IP and how projects are priced.

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Guide · 9 min read

DFM checklist for CNC machined, sheet metal and welded parts

A practical design for manufacturing (DFM) checklist for CNC machined, sheet metal and welded parts: tolerances, radii, holes, bends, welds and drawing notes that reduce cost.

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Guide · 5 min read

RFQ checklist: what to send for an accurate manufacturing quote

What to include in a request for quote (RFQ) for machined, sheet metal and welded parts: files, materials, tolerances, quantities, inspection, shipping terms and deadlines.

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Guide · 6 min read

When do you need FEA? A practical guide for product teams

When finite element analysis (FEA) is worth it, which analysis types to ask for (static, modal, buckling, fatigue), what inputs are needed and what a useful FEA report contains.

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