When sales staff or warehouse keepers receive the supplier's delivery note, they inform IQC personnel to inspect the incoming materials. IQC follows the sampling plan MIL-STD-105E: For products of...
General tips for using vernier calipers(1) When measuring parts, you need to choose a vernier caliper of appropriate length. Generally, don't use an overly long one to measure short dimensions, as...
Common Inspection Tools1. Vernier CaliperThere are two types: ordinary and digital. Sizes range from 150mm to 1000mm. The digital caliper has an accuracy of 0.01mm, which is pretty high. It's supe...
Implementation Procedures for Attribute Sampling Inspection1. Inspection Procedures2. Specification of Quality Characteristics of Unit ProductsIn product counting standards or purchase contracts, tech...
Considering economic factors, sampling inspection methods are widely used in product quality inspection. Many countries have carried out systematic research on the standardization of sampling inspecti...
Hardness Test The hardness test is a simple method to predict the strength and wear - resistance of mold materials. Although there are various methods for determining hardness, they are basically divi...
The inspection and testing of mold materials can be broadly classified into two categories: one is the microstructure test, including macrostructure test, microstructure test, grain size test, etc.; t...
I.Section 1 Basic Knowledge of Quality Inspection WorkOverview Firstly, one should be familiar with the specified requirements (quality standards) for one or more characteristics being inspected, and ...
① There are Two Types of Quality Defects During a training session, I once asked, "What is meant by a product with quality defects?" Most people couldn't answer immediately. After a sho...
① Differentiating between Quality Defects and Action Errors It is often said that it is impossible to guarantee a defect rate of 0, but a rate of 0 self - errors can be guaranteed.The defect mentione...
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