Dr. Julan, an American quality management expert, once proposed the concept of the famous quality Trilogy “quality planning, quality control and quality improvement”. The quality management concept and method he advocated has always influenced the development of the world and the world quality management! Among them, the quality control handbook edited by Dr. Julan is known as a masterpiece of quality control science in the world today. It has made outstanding contributions to laying the theoretical foundation and bas......

Inspections prior to shipping are mandatory in the eyes of the governments of various nations that import goods (PSI). Pre-shipment inspection, according to the government, checks for evasion of customs charges, ensures that exporters’ fees accurately represent the worth of the items, and keeps out commodities that don’t meet the country’s standards. This article tells you the rules and issues of pre shipment inspection.   Pre-shipment inspection is mandatory or highly recommended for the following nations an......

Export also has pre shipment inspection! The pre shipment inspection agreed by the government is an agreement signed by the Chinese government and the relevant countries. It is agreed that before the products of our country are exported to the corresponding countries, the customs of our country shall carry out inspection and issue the pre shipment inspection certificate, which is the effective certificate for the importing country to handle the import formalities. Here is everything you know about government agreement pre shipmen......

When do we get the certificate of inspection prior to shipping? There is a pre-shipment inspection certificate, and its entire name and abbreviation are shown below. This document, issued by China’s General Administration of Inspection and Quarantine, is formally known as a “certificate for pre shipment inspection” (PSI). China Inspection and quarantine issues both the PSI certificate and the PSI certificate under their respective international names. Now, let’s check the process and time of handling the p......

Before measuring many workpieces, it is best to clamp them securely so as to avoid errors caused by workpiece shaking. For different types and shapes of workpieces, we can use different combinations for rapid clamping. This article briefly summarizes the flexible fixture and the clamping idea of coordinate measuring machine. 1. Force measurement When choosing the clamping method for CMM service, the user should understand the impact of the force measurement, the coordinate measuring machine is very small when running, generally at 0.05 to 0.2N, but this is the value at the tim......

Coordinate measuring machine (CMM) is a precision measuring instrument, can be all workpiece sizes and geometric position dimensions, surface measurements, by many scientific research institutes, industrial and mining enterprises to use. Using the coordinate measuring machine for part shape and position tolerance detection, both engaged in numerical control technology and several points of integration research, the measurement results are very accurate. However, in actual measurement work, due to improper measurement steps, relatively large measurement errors may occur. Due to th......

Packaging materials refer to the materials used to manufacture packaging containers and other materials that meet the packaging requirements of products. They include metal, plastic, glass, ceramics, paper, composite materials, etc. ‍What needs to be checked in the packaging material inspection and how to do that more effectively? Inspection Scope of Packaging Materials Paper packaging materialsPackaging paper honeycomb paper, paper bag paper, desiccant packaging paper, honeycomb paperboard, kraft paper industrial paperboard, honeycomb paper core, etcPlastic packaging materials......

For people who are often in contact with goods testing and product inspection, inspection report, testing report, these terms are often found in work and feel a little confused. What is the difference between inspection and testing? Definitions of Testing and Inspection Let’s look at the definition in ISO17000:What is Testing?The activity of determining one or more characteristics of the conformity assessment object according to the procedure. Detection refers to the data obtained after a series of actions according to certain procedures and equipment. Testing is the acti......