I. Equipment Overview & Functional Description

Through comprehensive automated pneumatic-hydraulic fastening, the system guarantees rigid geometric accuracy for the finalized plate-fin heat exchanger. The finished product verticality is tightly controlled within $pm0.6text{ mm}$; furthermore, when the core profile fits within $le 1200 times 1100text{ mm}$, the diagonal tolerance requirement is strictly locked under $< 2text{ mm}$, effectively eradicating potential brazing faults caused by misalignment. Once compressed and squared, operators can seamlessly install tension tie rods or utilize a strapping machine to wrap and secure steel bands. The pressure is then released, and the mechanical sliding table moves the completed workpiece outward by approximately 260 mm for easy crane lifting and extraction. The entire sequencing loop is conveniently handled via push-buttons, which minimizes the cycle time per batch while providing complete operational safety when handling heavy workloads.

II. Flexible Processing Range & Core Technical Parameters

To accommodate multi-specification customization for varied heat exchanger cores, the mechanical structures and drive strokes are engineered with large adjustable parameters. The machine features the following flexible assembly capacities:

• Effective Core Length Adjustable Range: Supports a wide spectrum from 300 to 1200 mm, easily accommodating the length positioning of small, medium, and large plate-fin heat exchangers.

• Effective Core Height Adjustable Range: Covers a vertical range from 0 to 1100 mm, where the self-adaptive vertical stroke provides ample working clearance for dense, multi-layered fin configurations.

• Effective Core Thickness Adjustable Range: Accommodates thicknesses from 30 to 200 mm, ensuring both slim cooling modules and deep industrial-grade core units are precisely centered and firmly clamped.

III. Equipment Power Supply & Utility Requirements

To ensure the assembly machine achieves long-term, uninterrupted, and stable operation under demanding manufacturing environments, all control blocks and pneumatic components are chosen based on severe workshop standards:

• Operational Cycle: All structural elements and power units are rated under heavy-duty deterioration constraints, fully satisfying continuous industrial 24/7 operation profiles.

• Operating Power Supply: Standard configuration runs on single-phase AC 220V, 50Hz (allowing smooth operational thresholds within voltage fluctuations of $pm10%$).

• Ambient Temperature Range: All electrical controls and sealing compounds exhibit high environmental durability, supporting regular line production from $-10^{circ}text{C}$ to $70^{circ}text{C}$.

• Pneumatic Supply Line: The client must provide a reliable workshop compressed air feed maintaining a gas source pressure of 0.4–0.7 MPa with a rated flow volume of at least 30 L/min.

IV. Core Equipment Configurations & Hardware Architecture

1. Drive & Clamping Mechanism Design

• Fixture Power Motor: Driven by a high-torque stepper motor system, ensuring stable starting torque along with precise mechanical travel limit constraints.

• Movement Travel Speed: The horizontal movement velocity of the clamping fixture is fully adjustable by the operator from 0 to 30 meters per minute, balancing transit efficiency with alignment safety.

• Pressure Compressing Block: Equipped with 2 top-mounted heavy-duty pneumatic-hydraulic booster cylinders. Compared to pure pneumatic units, they provide superior pressure stability, and they remain much cleaner and oil-free compared to conventional hydraulic stations.

• Sliding Ejection Platform: Upon finishing the core strapping cycle, the mechanical sliding table extends outward by approximately 260 mm, freeing the workpiece entirely from the upper structure and allowing unhindered overhead crane access.

2. Critical Pneumatic & Electrical Spare Parts

• Solenoid Directional Valve: Industrial-grade Model 4V-310C-10 (1 Set), offering quick response times and low internal leakage.

• Intermediate Safety Relay: Renowned brand Model RXM2AB2BD DC24V (1 Set), securing a long lifecycle for control logic responses.

V. On-Site Production Operational Process Flow

1. System Initialization: Power on the central electrical switchboard, open the main compressed air valve, and adjust the system to the designated working pressure required by the product recipe.

2. Dimension Setup: Calibrate and adjust the mechanical positioning of the side clamping plates to mirror the footprint of the incoming core batch.

3. Manual Stacking Sequence: Lay down the bottom tooling fixture plate, then layer the cover plates, bar seals, and cooling fins sequentially until the core reaches its stacked target height.

4. Alignment Clamping: Once stacking is complete, center and place the upper tooling fixture plate directly on top of the stacked core assembly.

5. Pre-Pressing & Squaring: Actuate the upper and lower pre-press buttons to compress the stack vertically. Stop to manually adjust and square up both side faces of the core to guarantee a neat stack.

6. Final Compressive Lock: Once squaring is verified, trigger the primary pressure button to lock the core tightly at its fully designated clamping load (0-5T). Secure the core permanently using the pull-rod fixture method or thread steel bands using an integrated strapping machine.

7. Ejection & Cycle Reset: Release the pneumatic-hydraulic pressure, actuate the sliding platform to roll the completed core out of the workstation for crane removal, reset the mechanisms, and prepare for the next assembly run.