Atlas Copco PowerMACS 4000 Tightening Control System

DB (Distribution Box): Supports 6 channels and comes with a 1.8-meter power cord.

GB (Universal Junction Box): Used for expanding I/O or special connections.

Backplate: Optional with 6-port Ethernet switch or without.

There are various types of cables, and the document provides detailed order numbers:

Tool cable (between QST and MSB/DB): Using finer and more flexible 12mm diameter cable, integrating power and communication, providing various lengths from 0.5m to 40m (order number 4222 1248 xx).

Ethernet cable: used for communication between controllers or with upper computers, with a length of 0.5m to 15m (4222 1246 xx).

Emergency stop cable and terminal: equipped with E-stop terminal resistor (4222 0755 00) to ensure the integrity of the safety circuit.

The power cable from MSB to TC ranges in length from 2m to 40m (4220 3799 xx).

The system ordering table lists recommended kit combinations for 1-18 spindles, including the required number of master/slave controllers, MSB/DB quantities, and various types of cables, making it easy for engineers to select with just one click. For example, a 4-axis system includes 1 master control, 3 slave controls, and 1 MSB, requiring 2 1350mm and 2 1650mm jumper cables.

Engineering Deployment and Programming Practice

6.1 Physical Layout

Since the controller does not require an additional cabinet, it can be directly installed on the rack or near the workstation, reducing the voltage drop and signal attenuation caused by long cables. However, it is important to reserve space for heat dissipation and cable bending. According to the document, the maximum length of the tool cable can reach 40m, providing sufficient flexibility for layout.

6.2 Network Integration

The main controller supports multiple industrial Ethernet protocols and can be directly connected to the factory MES/SCADA system. Through the ToolsNet software suite, real-time monitoring of production data, statistical process control (SPC), and quality traceability can be achieved. The document mentions that 'connecting the complete production line to the ToolsNet software combination can maximize the normal operation time of the production line'.

6.3 Programming Strategy

The ToolsTalk PowerMACS software allows for the definition of multi-step tightening strategies (such as two-step and three-step methods), angle monitoring, torque limiting, and supports the TurboTight high-speed strategy (similar to Tensor ES). In addition, the system supports multitasking parallelism, which means running multiple independent workstation programs on one controller to improve equipment utilization.

6.4 Human Computer Interaction and Error Prevention

Expandable touchscreen interface (for program selection and data display), Stacklight (multi-layer indicator lights), and Indicator box, providing clear OK/NOK feedback for operators. The selection of indicator light box includes HLTQ series (including WiFi version), which is suitable for different installation requirements. All accessories and I/O bus cables are compatible with the Power Focus series for easy spare parts management.

Practical application case: Excellent revenue of ZF Group

The document focuses on the application examples of ZF Friedrichshafen, a leading global transmission technology supplier. They introduced PowerMACS 4000 in the assembly of a certain component, replacing the traditional torque wrench sampling method. Result:

The single tightening cycle time is reduced by up to 50% (due to the absence of additional manual torque checks).

The quality and reliability have significantly improved, and the system fully meets ZF's strict quality standards.

Annual savings of thousands of euros come solely from optimizing the assembly process of a single component.

Process engineer Thomas Weissenrieder commented, 'The assembly of this component is faster and safer than ever before, and the PowerMACS 4000 is the first system to meet our quality requirements.'. ”The on-site operators also praised the system for being extremely easy to operate and effectively preventing human errors.

Service and maintenance system

Atlas Copco provides full lifecycle services for PowerMACS 4000:

ToolScan RCM (Reliability Centered Maintenance): Optimize maintenance plans based on your production data and downtime costs.

Full Coverage Agreement: Customized maintenance with fixed costs, covering planned and emergency repairs (excluding human damage).

Preventive Maintenance Agreement: Perform maintenance according to the recommended cycle, and the location can be selected from the user's site or service center.

Calibration service: Regularly calibrate the spindle and torque measuring equipment to ensure long-term stability of accuracy.

Training and ToolStart: Provide operational training and on-site debugging and start-up services for new equipment.

These services greatly reduce the burden of device management for users and ensure high availability of the production line.

Common questions about selection and deployment

How can I determine whether I need a master controller or a slave controller?

If your system has no more than 6 axes, a single main controller can drive it; If the number of axes exceeds 6, additional slave controllers are required (supporting up to 18 axes, please refer to the system ordering table for details).