First, for some high-precision automatic assembly lines, such as electronic chip packaging equipment, the positioning accuracy of the output shaft of the cam indexing table may be controlled within ± 0.01 degrees or even higher. This is because even a very small angular deviation during chip assembly can lead to poor connection between the chip and other components, resulting in product failure or performance degradation. In this scenario, high-precision motion accuracy can ensure the accuracy and consistency of each assembly action and effectively improve the yield of products.

In the field of general packaging machinery, such as food packaging production line, although the precision requirements are not as strict as electronic chip assembly, the positioning accuracy of the output shaft shall be kept at ± 0.1 degree. In this way, it can ensure that each part of the packaging materials can be accurately connected in the process of segmentation, folding and packaging, avoid skew packaging, poor sealing and other problems, ensure the aesthetics and tightness of the product packaging, and improve the market competitiveness of the product.
In the application of some indexing devices in the machining industry, if the machining parts are involved in multi-station machining, the motion accuracy requirements of the splitter output shaft are directly linked to the machining accuracy. Generally, the positioning accuracy shall be within ± 0.05 degrees, so as to ensure the accuracy of the processing position when the parts are converted in different stations. For example, in the milling process, the inaccurate index will make the processing dimension deviation of the parts accumulate, and finally lead to the product scrap.
In addition, in the high-speed automation equipment, in addition to the positioning accuracy, it is also necessary to consider the repeated positioning accuracy and dynamic accuracy of the output shaft movement of the cam index gearbox. Repeated positioning accuracy refers to the deviation range of the output shaft returning to the same position in multiple identical segmentation actions. For high-speed automatic production lines, such as beverage filling production lines, the repeat positioning accuracy shall be controlled within a very small range to ensure that each filling head can accurately align with the bottle mouth to achieve effective and stable filling operations. Dynamic accuracy is related to the speed stability and track accuracy of the output shaft in the motion process, which is very important for some equipment requiring continuous and stable motion, such as the paper conveying and positioning device in printing machinery, otherwise, quality problems such as fuzzy printing pattern and inaccurate overprinting may occur.
To sum up, the motion accuracy requirements of the output shaft of the cam angle index are different according to the application scenarios. When selecting the model, it is necessary to have a deep understanding of the specific work tasks of the equipment, the production process and the requirements for product quality to determine the appropriate motion accuracy indicators, so as to select the cam index meeting the requirements, and ensure the effective and accurate operation of the entire mechanical equipment.