Overview
The automotive industry is undergoing a shift towards electrification and intelligence, with product iteration cycles significantly shortened. Batteries, motors, and electronic control systems have become the three core components of new vehicles.
Cases
Measurement of Power Battery Electrode Sheets
Measurement Challenge
Stacked cell batteries feature high energy density, long lifetime, high reliability, and fast charging. The internal structure consists of a series of positive electrode sheets, separators, and negative electrode sheets stacked together. These electrode sheets are slit from membrane materials into appropriate specifications, with the key focus on controlling the dimensions of the electrode sheets and the size of burrs generated during slitting. Larger metal burrs can pierce the separator, causing short circuits between the positive and negative electrodes.
Solution
The battery electrode sheets can be placed on the workbench without precise alignment. The software can automatically identify the position and orientation of the electrode sheets, enabling fast dimensional measurement. Burrs are clearly visible on the display, replacing a microscope for its measurement.
Measurement of Motor Silicon Steel Sheets
Measurement Challenge
Silicon steel sheets are essential components of motor rotors or stators, typically formed through stamping and stacking processes. The dimensional accuracy of silicon steel sheets must be strictly controlled.
Solution
Silicon steel sheets can be placed on the workbench without requiring precise alignment. The software can automatically identify the position and orientation of the sheets, enabling rapid dimensional measurement.
Measurement of Scroll Discs in Scroll Compressors
Measurement Challenge
Scroll compressors, commonly used in automotive air conditioning systems, are known for their high efficiency, energy savings, low noise, high reliability, simple structure, compact size, light weight, and smooth operation. The core of the compressor consists of a fixed involute scroll disc and an eccentric, orbiting involute scroll disc, which together form the compression chamber. The machining accuracy of the scroll discs is crucial to the compressor’s performance.
Solution
The Coordinate Measuring Machine (CMM), equipped with a scanning probe, quickly completes full-size measurements of both static and dynamic scroll discs, including profile contours, wall thickness, perpendicularity, and other key dimensions.