Paper Cup Machine Servo Drive & Electrical System Upgrade: The Control Brain Behind High-Speed Stability

A paper cup machine's high-speed, stable operation depends on the precise coordination of its servo drive and electrical system. Only when feeding, forming, bottom sealing, and stacking stay synchronized can the machine produce qualified cups quickly and steadily.

Scenario: Three Signs of an Outdated Electrical System

An outdated paper cup machine electrical system shows three signs:

Pain Points

• Poor station synchronization causes imprecise positioning and a high reject rate at speed;
• Accumulated mechanical transmission error makes cup forming quality unstable;
• Hard fault diagnosis means long downtime and lost capacity.

Solution: Three Electrical Upgrade Directions

Paper cup machine electrical upgrades have three directions:

1. Servo drive retrofit. Replace mechanical cam transmission with servo motors for independent, precise station control.

2. PLC program upgrade. Upgrade the PLC control program to optimize station timing and fault diagnosis.

3. HMI optimization. Add a touchscreen HMI to monitor parameters in real time and speed up job changeovers.

Result: Fast and Stable

After the electrical upgrade, the paper cup machine runs more stably at speed with a lower reject rate and faster changeovers—both capacity and yield rise.