1. Product Overview
The KOTUMY BG-5158 is a high-power 340W micro portable bench drill designed for precision drilling tasks. It features an all-copper motor for enhanced durability and lifespan, housed in a robust nylon plastic shell. This versatile tool is suitable for drilling, expanding, and reaming processes on various materials, making it ideal for the instrument industry, mechanical manufacturing, and repair applications.
2. Specifications
| Feature | Specification |
|---|---|
| Model Number | BG-5158 |
| Brand Name | KOTUMY |
| Rated Voltage | 220V |
| Rated Frequency | 50HZ |
| Rated Input Power | 340W |
| Rated Current | 0.55A |
| Drilling Stroke | 25mm |
| Clamp Range | 0.6-6.5mm, 1.5-10mm, 0.3-4mm (three options available) |
| Spindle Speed Range | 0-16000 rpm (Stepless speed regulation) |
| Adjustable Speeds | 7000 rpm, 10000 rpm, 16000 rpm |
| Distance from Spindle End to Workbench | 200mm |
| Worktable Surface Dimensions | 170 × 170mm |
| Approximate Spindle to Drill Bit Center Distance | 110mm |
| Weight | 5.5kg |
| Base Material | Cast Iron |
| Power Source | AC |
| Certification | CE |
| Battery Included | No |
| High-concerned chemical | None |
3. Setup and Installation
Follow these steps for initial setup and installation of your drill press components:
- Column Installation: Place the column into the designated hole of the base. Use a large inner 6-angle wrench to securely tighten the screw, ensuring the column is firmly fixed to the base.
- Drill Chuck Installation: Align the drill chuck with the axis and the center hole. Once aligned, gently tap it into place using a wooden hammer.
- Drill Bit Installation/Disassembly: Insert the desired drill bit into the chuck. Use the special key provided, aligning it with the drill chuck hole. Rotate the key clockwise to tighten the drill bit for installation, and counterclockwise to loosen it for disassembly.
4. Operating Instructions
Before operating, ensure the drill press is securely set up and the appropriate drill bit is installed.
- Power Connection: Connect the drill press to a 220V, 50HZ AC power supply.
- Workpiece Securing: Secure your workpiece firmly on the worktable. For small or irregular pieces, a vise (purchased separately) is highly recommended to prevent movement during drilling.
- Speed Adjustment: Use the continuously variable speed control switch to set the desired spindle speed. The drill press offers a speed range of 0-16000 rpm, with specific adjustable speeds at 7000 rpm, 10000 rpm, and 16000 rpm. Adjust the speed according to the material being drilled and the drill bit size.
- Power On: Flip the ON/OFF switch to the 'ON' position to start the motor.
- Drilling Operation: Use the control handle to slowly lower the drill bit into the workpiece. Apply steady, even pressure. Avoid excessive force, which can damage the drill bit or the workpiece.
- Power Off: Once drilling is complete, raise the drill bit from the workpiece and switch the drill press to the 'OFF' position.
5. Maintenance
Regular maintenance ensures the longevity and optimal performance of your drill press.
- Cleaning: After each use, clean the worktable and surrounding areas to remove metal shavings, dust, and debris. Use a brush or vacuum; avoid using compressed air directly on moving parts to prevent debris from entering bearings.
- Lubrication: Periodically apply a light machine oil to moving parts such as the column, spindle, and chuck jaws to ensure smooth operation and prevent rust.
- Belt Inspection: Check the drive belts for wear, cracks, or proper tension. Replace worn belts as necessary. The product includes a pair of belts as accessories.
- Chuck Inspection: Ensure the drill chuck operates smoothly and grips drill bits securely. Clean the jaws if they become sticky or accumulate debris.
- Power Cord: Regularly inspect the power cord for any signs of damage, cuts, or fraying. Replace immediately if damage is found.
6. Troubleshooting
This section addresses common issues you might encounter with your drill press.
- Drill Press Does Not Start:
- Check if the power cord is securely plugged into a working 220V outlet.
- Ensure the ON/OFF switch is in the 'ON' position.
- Verify that there is no power outage or tripped circuit breaker.
- Excessive Vibration or Noise:
- Ensure the drill press is placed on a stable, level surface.
- Check if the drill bit is properly installed and tightened in the chuck.
- Inspect the drive belts for wear or improper tension. Adjust or replace if necessary.
- Ensure the workpiece is securely clamped.
- Drill Bit Not Cutting or Overheating:
- Ensure the drill bit is sharp and suitable for the material being drilled.
- Adjust the spindle speed. Too high a speed for hard materials or too low for soft materials can cause issues.
- Apply appropriate pressure; too little pressure can cause rubbing, too much can cause binding.
- Use cutting fluid or coolant when drilling metals to reduce heat and friction.
- Drill Bit Wobbles:
- Ensure the drill bit is inserted correctly and fully tightened in the chuck.
- Check if the drill bit itself is bent or damaged.
- Inspect the chuck for damage or excessive wear.
If you encounter issues not listed here or if troubleshooting steps do not resolve the problem, please contact customer support.
7. User Tips
- Safety First: Always wear appropriate safety glasses and ensure loose clothing or hair is secured before operating the drill press.
- Secure Workpiece: Always clamp your workpiece firmly to the table. This prevents it from spinning, which can cause injury or damage.
- Pilot Holes: For larger holes or hard materials, consider drilling a smaller pilot hole first to guide the main drill bit and reduce strain on the machine.
- Coolant Use: When drilling metal, especially for extended periods, use a suitable cutting fluid to lubricate the drill bit and cool the workpiece, prolonging bit life and improving cut quality.
- Cleanliness: Keep your workspace clean and free of debris. Metal shavings can be sharp and cause hazards.
- Start Slow: Begin drilling at a slower speed and gradually increase as needed, especially when starting a hole or working with delicate materials.
8. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the documentation provided at the time of purchase or contact your retailer. Keep your purchase receipt as proof of purchase.
