1. Product Overview
The CGOLDENWALL WK-12AL is a universal hydraulic hole punching tool designed for creating precise holes in various metal plates, including low carbon steel and stainless steel. It features a lightweight design for portability and ease of use, capable of generating 70KN/120KN of hydraulic force. The tool's 360-degree rotatable driver head offers maximum flexibility for accessing tight work areas.
Key features include:
- Lightweight design for portability and fast, easy one-person operation.
- Develops 70KN/120KN of hydraulic force for efficient punching in materials up to 3mm thick carbon steel.
- Right angle driver head rotates over 360 degrees for maximum flexibility in tight working areas.
- Allows unlimited driver orientation to simplify access to the work area.
Image 1.1: The CGOLDENWALL WK-12AL hydraulic hole punching tool, showing the main unit and a selection of punching dies.
2. Safety Information
Read and understand all safety warnings and instructions before operating this tool. Failure to follow these instructions may result in electric shock, fire, and/or serious injury.
- Wear Personal Protective Equipment (PPE): Always wear safety glasses, gloves, and appropriate work attire to protect against flying debris and pinch points.
- Work Area Safety: Keep the work area clean and well-lit. Cluttered or dark areas invite accidents. Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust.
- Tool Handling: Do not force the tool. Use the correct tool for your application. The correct tool will do the job better and safer at the rate for which it was designed.
- Secure Workpiece: Always secure the material to be punched to prevent movement during operation.
- Hydraulic System: Regularly inspect the hydraulic system for leaks or damage. Do not operate if leaks are present. Keep hands and body clear of the punching area during operation.
- Maintenance: Disconnect the tool from any power source (if applicable) before making adjustments, changing accessories, or storing tools.
- Storage: Store idle tools out of the reach of children and do not allow persons unfamiliar with the power tool or these instructions to operate the power tool.
3. Product Components
The WK-12AL hydraulic hole punching tool comes with the following components:
- Hydraulic Punching Unit (main body with pump handle)
- Punching Dies (various sizes for circular holes)
- Draw Studs (small and large, for securing dies)
- Sealing Ring (spare for hydraulic unit)
- Plastic Storage Case
Circular Die Sizes: Φ1/2", 3/4", 1", 1 1/4", 1 1/2", 2"
Image 3.1: All components of the WK-12AL tool neatly organized within its protective red plastic case.
Image 3.2: Detailed view of the blue hydraulic head, which houses the punching mechanism.
4. Setup Instructions
- Prepare the Workpiece: Ensure the material to be punched is clean, flat, and securely clamped to a stable surface. Mark the exact center point for the hole.
- Select Dies: Choose the appropriate punch and die set for the desired hole size. Ensure the punch and die are clean and free of debris.
- Assemble the Punching Unit:
- Unscrew the draw stud from the hydraulic head.
- Insert the selected die onto the hydraulic head.
- Place the material to be punched between the die and the punch.
- Insert the punch through the pre-drilled pilot hole (if required) in the material and into the die.
- Thread the draw stud through the punch and into the hydraulic head, ensuring it is finger-tight.
- Position the Tool: Adjust the 360-degree rotatable head to achieve the best working angle and access to the punching area.
Image 4.1: The hydraulic punch mechanism positioned against a metal plate, ready for operation.
5. Operating Instructions
- Verify Setup: Double-check that the punch and die are correctly installed, the material is secure, and the draw stud is tightened.
- Initiate Punching: Slowly pump the handle of the hydraulic unit. You will feel resistance as the punch begins to engage the material.
- Continue Pumping: Continue pumping the handle until the punch cleanly cuts through the material. A distinct "click" or drop in resistance indicates the punch is complete.
- Release Pressure: Once the hole is punched, turn the pressure release valve (typically a knob or lever on the hydraulic unit) counter-clockwise to release the hydraulic pressure. The punch will retract.
- Remove Tool: Carefully remove the tool from the workpiece. Unscrew the draw stud and separate the punch and die to remove the punched slug.
- Inspect Hole: Examine the punched hole for cleanliness and accuracy.
Image 5.1: The hydraulic punch tool in action, demonstrating its ability to create multiple holes and showing the resulting metal slugs.
6. Maintenance
Proper maintenance ensures the longevity and optimal performance of your hydraulic hole punching tool.
- Cleaning: After each use, clean the punch, die, and hydraulic unit thoroughly. Remove any metal shavings or debris.
- Lubrication: Apply a light coat of machine oil to the punch and die surfaces to prevent rust and ensure smooth operation. Lubricate moving parts of the hydraulic pump as recommended by the manufacturer.
- Hydraulic Fluid: Periodically check the hydraulic fluid level. If low, refill with appropriate hydraulic oil. Refer to the manufacturer's specifications for the correct type of fluid.
- Seal Inspection: Inspect the sealing ring and other seals for wear or damage. Replace if necessary to prevent hydraulic fluid leaks.
- Storage: Store the tool and its accessories in the provided plastic case in a dry, clean environment to protect it from dust and moisture.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Tool does not punch or punches weakly. | Low hydraulic fluid level; Air in hydraulic system; Worn seals; Material too thick or hard. | Check and refill hydraulic fluid; Bleed air from the system (refer to specific hydraulic tool bleeding procedures); Inspect and replace seals; Ensure material is within specified punching capacity. |
| Punch gets stuck in material. | Insufficient pressure release; Punch/die misalignment; Material binding. | Ensure pressure release valve is fully open; Check for proper alignment of punch and die; Apply lubricant to punch/die before use. |
| Hydraulic fluid leaks. | Damaged or worn sealing rings; Loose connections. | Inspect and replace damaged sealing rings; Tighten all hydraulic connections. |
| Poor quality holes (burrs, uneven edges). | Dull punch or die; Incorrect punch/die size for material; Misalignment. | Replace or sharpen punch/die; Use correct punch/die for material thickness and type; Ensure proper alignment during setup. |
8. Specifications
| Parameter | Value |
|---|---|
| Model | WK-12AL |
| Material | Aluminum Alloy (tool body), Carbon Steel, Stainless Steel (punching capacity) |
| Output Force | 70KN / 120KN |
| Stroke | 25mm / 27mm |
| Punching Range (Low Carbon Steel) | 3mm thickness (Φ16.5-60.5mm) / 2mm thickness (Φ16.5-115.5mm) |
| Punching Range (Stainless Steel) | 2mm thickness (Φ16.5-60.5mm) |
| Operation Mode | Hydraulic |
| Circular Die Sizes Included | Φ1/2", 3/4", 1", 1 1/4", 1 1/2", 2" |
| Manufacturer Model Number | CNA-963B |
| GTIN/UPC | 820186479755 |
9. Warranty and Support
For warranty information, technical support, or service inquiries regarding your CGOLDENWALL WK-12AL Hydraulic Hole Punching Tool, please contact the manufacturer directly or refer to the documentation included with your purchase. Keep your purchase receipt as proof of purchase.
Manufacturer: CGOLDENWALL
For further assistance, you may visit the official CGOLDENWALL store on Amazon: CGOLDENWALL Store