How to achieve efficient mold quality inspection

The modern mold processing and manufacturing industry is developing rapidly, and the market development of the mold industry is also rapidly developing. In the case of shortened processing cycle requirements and reduced cost requirements, the accuracy requirements are not reduced, so in addition to the capital, the production capacity of processing equipment is maximized, and efficient quality control methods are increasingly becoming mold manufacturing enterprises. The key to success in the competition.

With the development of the mold manufacturing industry, the development of mold measurement technology is also in line. Different measurement techniques and different measuring equipment have emerged according to the different characteristics of mold making. From the digital mapping involved in the initial stage of mold design, to the measurement of mold processing, mold measurement, to mold acceptance measurement and later mold repair measurement; from small electronic molds to large molds in the automotive industry and large-scale aerospace industry. Mold measurement, high precision measurement equipment is everywhere. So far, the measuring equipment used for mold quality inspection includes not only the classic fixed high-precision coordinate measuring machine, but also various measuring equipment suitable for on-line application, such as portable articulated arm measuring machine, because of the characteristics of mold manufacturing. Measuring equipment such as white light measuring machines and large-size laser trackers have also appeared on the scene, and meet the testing needs of mold products through contact and non-contact measurement, image and laser scanning, and photogrammetry.

A typical mold company, in addition to the production and manufacture of molds, will involve the manufacture of some inspection tools, fixtures and general machine parts. In this case, the fixed measuring machine with high precision, strong function and good versatility has become the first choice measuring instrument for the quality inspection of most mold enterprises.

The measurement requirements of the mold usually include the specified point measurement of the control profile, the diameter and position measurement of the assembly and positioning holes, and often the profile of the measurement type and the profile line. At this time, the high precision, automation and point-to-point contact measurement capability of the fixed measuring machine is extremely suitable. If the mold workpiece is required to be directly matched with the point cloud on the CAD model or the mold part is mapped, the fixed measuring machine can also achieve high efficiency by means of contact continuous scanning probe or non-contact laser scanning probe. High-density point cloud scanning measurements. It should be noted here that because of the difference in measurement structure and measurement principle, the accuracy of contact measurement is usually better than that of non-contact measurement.

Rapid response and rapid implementation adjustment are an increasingly urgent development demand for mold companies in recent years. Through rapid mold manufacturing and delivery, the time to market can be shortened, and the company will gain valuable competitive opportunities. At the same time, the demand for large molds will continue to expand, and the online measurement and the on-site adjustment requirements of molds, fixtures and inspection tools will enable Portable measurement systems came into being.

Because of its portability and flexibility, the articulated arm coordinate measuring machine has gradually grown into one of the key measuring devices in the mold processing industry. The device can be used for on-line measurement in the workshop, is not affected by the environment, and is easy to install. It can even be installed directly into the large machine tool for on-machine measurement of the unsold mold. At the same time, the measuring arm is made of carbon material. Very light. When working, the operator can measure or map the workpiece with the measuring arm. The measuring direction can be adjusted at any time like a human arm, which largely avoids the existence of dead angles. Therefore, the portable articulated arm measuring machine is one of the most efficient measuring devices for mapping or measuring molds, especially for non-bulk single-piece measuring or mapping tasks.

With the continuous innovation and development of measurement technology, advanced measurement technology is not only reflected in the measurement room and manufacturing site, but also innovatively applied to machine tools and processing equipment. This is the on-machine measurement system we are talking about. As an effective process control method, on-machine measurement technology provides real-time processing quality feedback for machine tool operators, avoiding unnecessary machining errors and significantly improving the manufacturing efficiency of molds, especially large molds. The on-machine measurement system includes a workpiece-on-machine measurement system and a tool-on-machine measurement system.

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