QD-A Type Pneumatic Transmission Test Bench

QD-A Type Pneumatic Transmission Test Bench

     The experimental bench is designed based on general textbooks such as "Hydraulic and Pneumatic Transmission Technology and Practice" and "Pneumatic Control Technology." It integrates programmable logic controllers and industrial pneumatic components, and execution modules. In addition to conducting conventional pneumatic basic control circuit experiments, it also allows for simulation experiments of pneumatic control technology applications and design of pneumatic technology courses. Utilizing PLC control methods, it ranges from learning simple PLC guidance programming and ladder diagram programming to the application of PLC control. It can communicate with computers and perform online debugging, perfectly combining pneumatic technology with electrical PLC control technology, suitable for electrical and electromechanical integration professional training and assessment.

I. Key Features:

Modular structural design facilitates easy and convenient assembly of experiments. Each pneumatic component is an independent module, equipped with a base plate for easy installation. During experiments, various experimental circuits can be assembled on standard aluminum alloy profiles, with simple and quick operation.

2. Fast and reliable connectors with easy and time-saving disassembly.

3. Standard industrial pneumatic components are used, ensuring reliable and safe performance.

4. Low-noise work station, providing a quiet experimental environment (noise <60).

II. Experimental Projects:

PLC Control Loop Experiment

Single-acting cylinder reversing circuit

2. Double-acting cylinder reversing circuit

3. A single pressure control loop

4. Secondary Pressure Control Loop

5. High/Low Pressure Switching Loop

6. Bi-directional speed control circuit for double-acting cylinders (import adjustment, export adjustment)

7. Speed Transfer Loop

8. Buffer Loop

9. Interlocked circuit

10. Overload Protection Circuit

11. Position Control Single-Stroke Reciprocating Loop

12. Pressure Control Single-Acting Reciprocating Loop

13. Time-controlled single reciprocating loop

14. Single and double-acting cylinder reciprocating action circuit

15. Throttling Valve-Synchronized Loop

16. Three-Cylinder Linked Circuit

17. Counting Loop

18. Delayed Loop

19. Logic Valve Application Circuit (or Logic)

20. Manual operation circuit

Relay Control Circuit

Cylinder Bypass Circuit

Cylinder Feed System

Dual-cylinder action circuit

 Programmable Logic Controller (PLC) Electrical Control Experiment, Mechanical-Electrical-Pneumatic Integrated Control Experiment:

PLC programming, ladder diagram programming learning

(2) Learning and Using PLC Programming Software

PLC communication with computers, online debugging

PLC and Pneumatic Integrated Control Experiment

PLC Instruction Programming Training

③ Students independently design, assemble, and expand various circuit experiments

III. Laboratory Bench Composition:

The laboratory table is composed of several parts, including the table frame, work pump station, pneumatic components, and electrical control unit.

1. Lab Bench Frame: The lab bench frame is constructed with a steel main body and an aluminum alloy operating panel.

Workbench Dimensions: L×W×H = 1500mm×650mm×1700mm (Approx. packed weight: 300kg)

2. Work Pump Station

Utilizing a silent air compressor, providing a better training environment for the laboratory.

Air Pump Input Voltage: AC 220V/50Hz

Motor (Dual Head) Power: 250W

Rated Output Pressure: 0.8 Mpa

Air Pump Capacity: 20L

Work Noise: < 60 Decibels

3. Pneumatic Components

3-1) Pneumatic components are primarily JELPC pneumatic components, each as an independent module, equipped with a blue quick-installation base plate. This allows for easy and flexible placement of the components on the training panel (an aluminum alloy profile structure with "T" groove-shaped panels).

3-2) The circuit junctions use quick-connect fittings for easy and quick assembly and disassembly.

4. Electrical Control Unit

4-1) Programmable Logic Controller (PLC); utilizing Siemens SMART series, CPU SR20, with 20 I/O points; relay output type. Power Voltage: AC 220V/50Hz.

4-2) Voltage control: DC24V, Input points: 18, Output points: 12, equipped with manual, electric, and sequential control functions.

4-3) The control unit can be electrically controlled using a separate relay control unit or a PLC. By comparison, the superiority and advancement of PLC programmable control are highlighted, deepening understanding and mastery of the PLC programmer.

4-4) Enhanced with pneumatic simulation software, featuring virtual circuit assembly and fault detection capabilities.

5. Add Simulation Unit (optional, additional cost applies)

5-1) Excavator Simulation Unit (optional accessory)

a. Observation of the structure of pneumatic drive components, disassembly and assembly, as well as learning and analysis of the principles of pneumatic control systems.

b. Pneumatic excavation equipment demonstration and control experiment.

Excavation operations, bucket and dipper rod working in combination for experimental purposes.

② The unloading operation, boom, and bucket work simultaneously, with the ability to adjust the height of the large arm.

5-2) Loader Simulation Unit (optional accessory)

a. Observation of the structural components of pneumatic transmission, disassembly, and analysis of the principles of pneumatic control systems.

b. Pneumatic loading machinery demonstration control experiment.

① Material loading operation, after the bucket is loaded, the arm cylinder extends to reverse the bucket and lift the boom arm.

② Unloading operation, bucket unloading (arm retracted, allowing bucket to turn), boom lowering.

We offer a variety of construction machinery simulators, including small pneumatic forklift simulators and small pneumatic crane simulators, for customers to choose from. Please call for more information.