Quality & Standards
ISO 9001, measurement reports, material certificates, PPAP and first article inspection: quality assurance in CNC contract manufacturing.
What Is a Material Certificate (EN 10204 3.1), and How Do You Request It?
The phrase “along with a Type 3.1 material certificate” appears in most orders from Europe; however, there is often confusion regarding what this document is, who issues it, and what responsibilities the machining contractor bears. This article explains Types 2.1, 2.2, 3.1, and 3.2 of EN 10204, outlines the contents of the 3.1 certificate, and explains how to correctly request the certificate for a CNC machining order.
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ISO 2768 General Tolerances: What Do They Mean in Contract Manufacturing?
The "ISO 2768-mK" notation in the corner of the technical drawing specifies the tolerance within which any dimension without a specified measurement is acceptable; in other words, it directly affects the part’s price, measurement time, and risk of rejection. This article explains the ISO 2768-1 and 2768-2 classes using tables, describes which class makes sense for which part in CNC contract manufacturing, and highlights common mistakes.
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Quality Assurance at a CNC Contract Manufacturer in Turkey: ISO 9001, Measurement Report, Material Certificate
When sourcing CNC parts from abroad, the most important consideration is quality. This guide explains how to systematically ensure quality at your supplier in Turkey using ISO 9001 and industry-specific certifications, measurement reports, EN 10204 3.1 material certificates, initial sample approval (EMPB/PPAP/FAI), quality agreements, sampling plans, and 8D nonconformity management.
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