Examples for Screw Automatic Measurement

Background of the Application

The customer is a manufacturer of automotive fasteners in the south Taiwan. In order to meet the demand for high-quality and customized automotive fasteners, the company has introduced high-end forging machines and enhanced design and development capabilities. They also aim to provide customer satisfaction that exceeds expectations through high-precision and high-efficiency production and error-free quality.
High precision and 100% production yield are the goals pursued by the company. With the trend of efficient and high-quality workpiece design changes, such as how to quickly and precisely measure critical dimensions such as thread concentricity, and how to efficiently achieve the customer's full inspection quality requirements. Additionally, after expanding the plant and implementing production automation, inspection work has fallen far behind due to labor shortages and factors such as the inability to measure automatically, which affects the delivery schedule.

Solution

1. Introduce equipment that can measure critical dimensions quickly and precisely.
2. Solve the problem of implementing night shift measurement operations.
3. Complete and effective measurement data.
4. Real-time monitoring of production yield and quality information on the production line.

Features

Projectors and 2.5D image measurement devices are both used to measure the dimensions of parts. However, many critical dimensions still rely on manual inspection. Insufficient automation cannot meet the measurement needs of mass production. In addition, contour gauges are needed to measure the R-angle under the head, which compensates for the shortcomings of projectors and 2.5D. Therefore, measuring all dimensions of automotive fasteners requires at least three or more measuring tools.
In-process inspections in the production workshop show that errors made by night shift workers are more obvious in terms of measurement frequency and precision of measurement record copying. This leads to incomplete or invalid measurement data, making it difficult to conduct meaningful analysis and feedback.

Solution and Features

1. Set up the measuring device right at the production location. Measurements can be automated by using an easy-to-learn and simple-to-use measurement interface, eliminating the requirement for manual interpretation.
2. Introduce a single-machine measurement system that integrates the measurement functions of various traditional measuring tools such as calipers, projectors, 2.5D measurement devices, and others.
3. Rapid measurement tools that can quickly check R-values for different arc and straight line configurations.
4. Add more features for contour size examination, such as the ability to calculate the height and breadth of each segment difference and output circular arcs' beginning and ending points simultaneously.

Mechanical thread dimensions including outer diameter, inner diameter, pitch diameter, pitch, thread flank angle, helix angle, and all other dimensions of different head sizes, appearance dimensions, thread concentricity, and more can be automatically measured in a matter of seconds with just one piece of equipment. Compared to the conventional requirement of at least three measurement tools, its efficiency is significantly higher.