1. Introduktion
This manual provides detailed instructions for the safe and efficient use of the Defu BW-668 Vertical Key Cutting Machine. The BW-668 is an upgraded version of the B4-368 model, designed for precision key duplication. Please read this manual thoroughly before operating the machine to ensure proper function and longevity.
2. Produktet er slutview
2.1 Nøglefunktioner
- Upgraded DC Motor: Replaces the original AC motor, providing increased power and reduced noise during operation.
- Justerbar motorhastighed: Features a motor speed switch to adjust rotation speed (0-8000 rpm) for different key cutting scenarios.
- Universal Power Compatibility: Equipped with an external transformer, allowing universal compatibility with 110V-220V AC power sources.
- Forbedret holdbarhed: Upgraded synchronous belt and pulley system for increased torque and extended service life.
- Bærbar strømforsyning: Can be directly connected to a 24V mobile power supply (purchased separately) for enhanced portability.
- Høj præcision: Designed for efficient and accurate key duplication.
- Dobbelt Clamp System: Securely holds various key types.
- Needle Guide Fine Adjustment Device: Ensures quick, accurate, and efficient cutting.

Figure 1: Defu BW-668 Vertical Key Cutting Machine

Figure 2: Key Features - Copper Wire Motor, 220V AC, Double Clamp
2.2 Dele introduktion
Familiarize yourself with the main components of the key cutting machine:

Figure 3: Labeled Parts of the Key Duplicator
- Fine-tuning Guide Pin: Used for precise alignment during key cutting.
- High Strength Inserts: Durable components for secure key holding.
- Clamp: Rotatable on both sides to accommodate various key blanks.
- Håndtag: Operates the cutting mechanism for horizontal movement.
- Full-pass Movement: Refers to the complete range of motion for the cutting head.
- Strømindgang: Connection point for the external power adapter.

Figur 4: Medfølgende tilbehør
2.3 Pakkeliste
Følgende varer er inkluderet i pakken:
- 1 x Key Duplicator (BW-668)
- 4 x bor
- 1 x børste
- 1 x Special Key
- 7 x Ekstra tilbehør
- 1 x strømkabel
- 1 x Power Adapter (Universal 110V-220V)
- 1 x brugermanual
3. Specifikationer
| Attribut | Værdi |
|---|---|
| Varetype | Key Copying Machine |
| Model | Upgrade version BW-668 |
| Voltage | AC 24V, DC 110V-220V (via external transformer) |
| Rotationshastighed | 0-8000 rpm (adjustable) |
| Indgangseffekt | 150 W |
| Udgangseffekt | 100 W |
| Gross Weight (Machine) | 8.28 kg |
| Pakkedimensioner (L x B x H) | 38 cm x 31 cm x 30 cm |
| Kontinuerlig driftstid | 15-30 minutter |
| Replicable Key Types | Hollow, shaft, cylinder, and letter locks |
4. Opsætning
- Udpakning: Carefully remove the key cutting machine and all accessories from the packaging. Inspect for any damage.
- Placering: Place the machine on a stable, level, and clean workbench. Ensure adequate space around the machine for safe operation and heat dissipation.
- Strømtilslutning:
- Connect the provided power adapter to the machine's power input.
- Plug the power cord into the external power adapter.
- Connect the power cord to a suitable 110V-220V AC power outlet.
- Alternatively, for portable use, connect a compatible 24V mobile power supply (not included) directly to the machine's 24V input.
- Indledende inspektion: Before first use, ensure all moving parts are free from obstruction and the clamps operate smoothly.
5. Betjening
- Key Mounting:
- Open the machine's clamp.
- Insert the original key into one side of the clamp and the blank key into the other side, ensuring they are securely seated and aligned. The clamp can be rotated to accommodate different key types.
- Spænd clamp to hold both keys firmly in place.
- Hastighedstilpasning: Use the motor speed switch to select an appropriate rotation speed (0-8000 rpm) for the material and type of key being cut. Start with a lower speed and increase as needed.
- Skæreproces:
- Activate the machine's motor.
- Using the horizontal moving handle, carefully guide the cutting head along the profile of the original key. The needle guide fine adjustment device assists in maintaining accuracy.
- Apply steady, even pressure. Avoid excessive force, which can damage the key or the machine.
- Perform multiple passes if necessary, gradually deepening the cut until the blank key matches the original.
- Færdiggørelse:
- Once cutting is complete, turn off the machine.
- Carefully remove the duplicated key and the original key from the clamp.
- Use the provided brush to clean any metal shavings from the machine and the newly cut key.
- Kontinuerlig drift: The machine is designed for continuous operation for 15-30 minutes. Allow for cool-down periods if extended use is required to prevent overheating.
6. Vedligeholdelse
- Regelmæssig rengøring: After each use, use the provided brush to remove all metal shavings and debris from the cutting area, clamps, and guide pins. This prevents buildup and ensures smooth operation.
- Smøring: Periodically apply a small amount of light machine oil to moving parts, suchs as the horizontal slide and clamp mechanisms, to ensure smooth movement and prevent wear.
- Bladinspektion: Regularly inspect the drill bits for wear or damage. Replace dull or chipped bits to maintain cutting precision and prevent damage to keys or the machine.
- Bælteinspektion: Check the synchronous belt for any signs of wear, cracking, or looseness. Replace if necessary to maintain optimal torque and durability.
- Opbevaring: When not in use, store the machine in a clean, dry environment, away from dust and moisture.
7. Fejlfinding
Dette afsnit omhandler almindelige problemer, du kan støde på. Ved problemer, der ikke er nævnt her, bedes du kontakte kundesupport.
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Maskinen tænder ikke. | Power cord not connected, power outlet faulty, power adapter issue. | Check power connections. Test the outlet with another device. Ensure the power adapter is functioning correctly. |
| Key not cutting cleanly or accurately. | Dull drill bit, improper key alignment, incorrect speed setting, insufficient pressure. | Replace drill bit. Re-align keys in the clamp. Adjust motor speed. Apply steady, even pressure. |
| Machine making unusual noise. | Lack of lubrication, debris in moving parts, worn belt. | Clean and lubricate moving parts. Inspect and replace the synchronous belt if worn. |
| Machine overheats quickly. | Exceeding continuous operation time, poor ventilation. | Allow the machine to cool down after 15-30 minutes of continuous use. Ensure adequate airflow around the machine. |
8. Brugertips
Der var ingen specifikke brugertips tilgængelige fra reviews or Q&A for this product at this time. Always follow the instructions in this manual for best results.
9. Garanti og support
For garantioplysninger, teknisk support eller serviceforespørgsler henvises til kontaktoplysningerne fra din forhandler eller producenten. Gem din købskvittering som købsbevis.