What are the operating systems for injection molding robotic arms

Public date:2026-07-30 09:43:41 / Views:9 / Catalog:Trade News

The "operating system" of an injection molding robotic arm does not refer to a single general-purpose software, but rather to the combination of hardware architecture and software logic of a dedicated control system. The core can be divided into three major categories: simple fixed program type, memory reproduction type (servo/PLC control), and intelligent integration type, each corresponding to different levels of automation.

Core control system type

1. Simple fixed program system (pneumatic/cam type): Without complex programming, it executes preset actions through latch boards, cam drums, or hardwired logic, supporting only a limited number of fixed processes. It is mostly used in low-end oblique-arm robots.

2. Memory reproduction system (servo/PLC core): A mainstream configuration, utilizing a DSP+FPGA or PLC+motion control card architecture, supporting teaching programming, multi-point memory, trajectory planning, with an accuracy of ±0.1mm, covering three-axis/five-axis servo robotic arms.

3. Intelligent Integrated System (Bus-based/Drive-control Integrated): A high-end solution that integrates EtherCAT/CANopen bus, visual/tactile sensor feedback, supports MES integration, adaptive path correction, and dual mode-locking safety logic, commonly used in complex operations involving more than five axes. ‌‌

Key hardware and software components

Control core: Dedicated controller (DSP+FPGA), industrial PLC (such as Siemens S7-313C level), embedded industrial computer (IPC).

Drive mode: pneumatic (low cost), variable frequency (mid-range), full servo (high precision, mainstream trend).

Human-Machine Interaction: Teach pendant (handheld programming box), touch screen panel (integrated menu teaching), partially supports offline programming on the PC side.

Communication protocol: traditional I/O hardwiring, CANopen, EtherCAT (high-speed real-time bus).

Safety logic: Integrated lock mode interlock circuit, collision avoidance algorithm, and position compensation function.