1. Pengenalan
This manual provides essential instructions for the safe operation, assembly, maintenance, and troubleshooting of your Central Machinery Bench Grinder with Flex Shaft. Please read and understand all instructions before operating the tool to ensure safe and efficient use.
The Central Machinery Bench Grinder with Flex Shaft is designed for deburring, grinding, and polishing small parts. The integrated 31-inch flexible shaft allows for precision work and access to hard-to-reach surfaces.
2. Arahan Keselamatan Am
AMARAN: Baca semua amaran dan arahan keselamatan. Kegagalan mematuhi amaran dan arahan boleh mengakibatkan renjatan elektrik, kebakaran dan/atau kecederaan serius.
- Keselamatan Kawasan Kerja: Pastikan kawasan kerja bersih dan terang. Kawasan bersepah atau gelap mengundang kemalangan. Jangan kendalikan alatan kuasa dalam atmosfera yang mudah meletup, seperti di hadapan cecair mudah terbakar, gas atau habuk.
- Keselamatan Elektrik: Palam alat kuasa mesti sepadan dengan alur keluar. Jangan sekali-kali mengubah suai palam dalam apa jua cara. Jangan dedahkan alatan kuasa kepada hujan atau keadaan basah.
- Keselamatan Diri: Always wear appropriate personal protective equipment, including safety glasses or a face shield, hearing protection, and dust masks when necessary. Dress properly; avoid loose clothing or jewelry that can get caught in moving parts.
- Penggunaan dan Penjagaan Alat: Jangan paksa alat kuasa. Gunakan alat kuasa yang betul untuk aplikasi anda. Putuskan sambungan palam daripada sumber kuasa sebelum membuat sebarang pelarasan, menukar aksesori atau menyimpan alatan kuasa.
- Penyelenggaraan: Mengekalkan alat kuasa. Periksa ketidaksejajaran atau pengikatan bahagian yang bergerak, kerosakan bahagian, dan keadaan lain yang mungkin mempengaruhi operasi alat kuasa. Sekiranya rosak, pastikan alat elektrik diperbaiki sebelum digunakan.
3. Komponen Produk
The Central Machinery Bench Grinder with Flex Shaft typically includes the following main components:
- Grinder Motor Housing (Yellow)
- Grinding Wheel (mounted on one side)
- Polishing/Buffing Wheel (may be included or sold separately)
- Flexible Shaft Attachment (31 inches)
- Adjustable Tool Rests
- Clear Safety Shields
- Tombol Kawalan Kelajuan Boleh Ubah
- Kord Kuasa

4. Persediaan dan Pemasangan
- Membongkar: Carefully remove all components from the packaging. Inspect for any damage during shipping.
- Pemasangan: For stability and safety, it is recommended to securely mount the bench grinder to a sturdy workbench using bolts (not included) through the mounting holes in the base.
- Attach Safety Shields: Install the clear safety shields over the grinding wheels. Ensure they are securely fastened and positioned to provide maximum protection without obstructing your view daripada bahan kerja.
- Install Tool Rests: Attach the adjustable tool rests in front of the grinding wheels. Adjust them to be approximately 1/16 inch (1.5 mm) from the wheel surface and slightly below the center line of the wheel.
- Connect Flex Shaft: To attach the flexible shaft, ensure the grinder is unplugged. Remove any existing cap or cover from the flex shaft port (usually on the opposite side of the main grinding wheel). Securely screw or attach the flexible shaft assembly to this port.
- Sambungan Kuasa: Ensure the speed control knob is set to the 'OFF' position (or lowest setting) before plugging the power cord into a standard 120V AC electrical outlet.
5. Arahan Operasi
5.1 Using the Grinding Wheel
- Ensure all safety shields and tool rests are properly adjusted.
- Turn the speed control knob to the desired RPM. The grinder features variable speed control up to 10,000 RPM. Start at a lower speed and increase as needed.
- Allow the wheel to reach full operating speed before applying the workpiece.
- Gently bring the workpiece into contact with the grinding wheel, using the tool rest for support. Apply light, even pressure.
- Move the workpiece across the face of the wheel to ensure even wear.
- After use, turn the speed control knob to 'OFF' and allow the wheels to stop completely before leaving the machine.
5.2 Using the Flexible Shaft
- Ensure the grinder is unplugged before changing any accessories on the flexible shaft handpiece.
- Insert the desired accessory (e.g., small grinding stone, polishing bit) into the collet of the flexible shaft handpiece and tighten securely.
- Plug in the grinder and turn the speed control knob to the desired RPM.
- Hold the handpiece firmly and bring the accessory into contact with the workpiece. The flexible shaft is ideal for detailed work, deburring, and polishing in confined spaces.
- Avoid excessive pressure, which can cause the motor to bog down or damage the accessory.
- Always turn off the grinder and unplug it before changing accessories or performing any maintenance on the flexible shaft.
6. Penyelenggaraan
Regular maintenance ensures the longevity and safe operation of your tool.
- Pembersihan: Keep the tool clean and free of dust and debris. Use a soft, dry cloth to wipe down the exterior. Compressed air can be used to clear dust from ventilation openings, ensuring the tool is unplugged first.
- Pemeriksaan Roda: Regularly inspect grinding and polishing wheels for wear, cracks, or damage. Replace worn or damaged wheels immediately. Ensure wheels are properly balanced.
- Flex Shaft Care: Periodically lubricate the inner shaft of the flexible shaft according to manufacturer recommendations (if applicable). Keep the outer casing bersih.
- Storan: Store the grinder in a clean, dry, and secure location out of reach of children and unauthorized users.
7. Penyelesaian masalah
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Pengisar tidak bermula | No power to the outlet; Power cord not plugged in; Faulty switch. | Check power supply; Ensure cord is securely plugged in; Contact qualified service personnel. |
| Getaran yang berlebihan | Loose mounting bolts; Unbalanced or damaged grinding wheel; Loose flex shaft connection. | Tighten mounting bolts; Inspect and replace damaged wheels; Secure flex shaft connection. |
| Prestasi pengisaran yang lemah | Worn or glazed grinding wheel; Incorrect speed setting. | Dress or replace grinding wheel; Adjust speed control to a higher RPM. |
8. Spesifikasi
- Jenama: Jentera Pusat
- model: 792363435338
- Sumber Kuasa: Berkuasa elektrik
- Voltage: 120 Volt
- Kelajuan Putaran Maksimum: 10,000 RPM (Variable Speed)
- Bahan: Logam (pembinaan)
- Grinding Wheel Dimensions: Outside Diameter 75mm, Thickness 20mm, Inside Diameter 10mm
- Flex Shaft Length: 31 inci
- Anggaran Dimensi Pakej: 11.18 x 7.4 x 6.61 inci
- warna: Kuning, Hitam
9. Maklumat Waranti
For specific warranty details, including coverage period and terms, please consult your retailer or the official Central Machinery webtapak. Simpan resit pembelian anda sebagai bukti pembelian untuk sebarang tuntutan waranti.
10. Sokongan Pelanggan
If you require technical assistance, replacement parts, or have questions regarding the operation of your Central Machinery Bench Grinder with Flex Shaft, please contact Central Machinery customer service through their official channels. Refer to the product packaging or the manufacturer's webtapak untuk maklumat hubungan semasa.