
Silicone Bowl Cracking & AC 1.2
Among the 4300 devices, the silicone bowls proved to be extremely fragile when faced with the claws of actual use. This was an unexpected issue for us, as it had never occurred in the first batch o...

Under normal conditions of sand quantity and motor torque rotation, there is a possibility of the ball shell being displaced by the gears. Therefore, we conducted repeated tests and verifications f...

Insufficient Motor Torque Leading to Ball Shell Slippage
Among the 4300 users, a portion of the devices experienced ball shell slippage during rotation. This issue had not surfaced during our extended testing period, and initially, we even suspected it...

New Challenges Arise After the 4300 Deliveries, Affecting Core Functionality
The Uncontrolled Ball Shell Rotation Caused by the Keypad Shortly after the delivery of the 4300 units, both the devices in our possession and those in the hands of users began experiencing an issu...

Development of Production Line Testing Fixtures Building upon the lessons learned from the first batch of production, we needed to design a series of testing fixtures and tools that could facili...

Establishment of Large-Scale Assembly Line
Prior to commencing mass production, preparation of both workers and assembly lines is crucial. For this specific production run, the factory set up a dedicated assembly line tailored to our order....