Exact 38244

Buku Panduan Pengguna Mata Bor Spiral Exact 38244

Modelnya: 38244

Perkenalan

This manual provides comprehensive instructions for the safe and effective use of the Exact 38244 Spiral Drill Bit. This high-speed steel ground (HSS-G) drill bit conforms to DIN 338 standards, featuring a Form C, Type N design with a reduced shank. It is specifically engineered for drilling larger diameters, compatible with standard drills equipped with a chuck up to 13.0 mm.

Produk Selesaiview

Exact 38244 Spiral Drill Bit

Figure 1: Exact 38244 Spiral Drill Bit. This image displays the full length of the drill bit, highlighting its spiral flutes and reduced shank.

Close-up of Exact 38244 Drill Bit Shank

Gambar 2: Tampilan jarak dekat view of the reduced shank. This image focuses on the cylindrical portion of the drill bit designed to fit into smaller chucks.

The Exact 38244 drill bit is manufactured from HSS-G (High-Speed Steel Ground) for enhanced durability and precision. Key features include:

Pengaturan

Proper setup is crucial for safe and effective drilling. Always wear appropriate personal protective equipment (PPE), including safety glasses, before beginning any drilling operation.

  1. Pilih Bor yang Tepat: Ensure your drill has a chuck capacity of at least 13 mm to accommodate the reduced shank of this drill bit.
  2. Bersihkan Chuck: Before inserting the drill bit, ensure the drill chuck jaws are clean and free of debris.
  3. Masukkan Mata Bor: Insert the reduced shank of the drill bit fully into the drill chuck. Ensure the shank is seated as deeply as possible to minimize runout and maximize grip.
  4. Kencangkan Chuck: Hand-tighten the chuck firmly. For keyless chucks, ensure an audible click or firm resistance is felt. For keyed chucks, use the chuck key to tighten all three jaws securely. Do not overtighten, as this can damage the chuck or the drill bit shank.
  5. Verifikasi Keamanan: Gently pull on the drill bit to confirm it is securely held in the chuck. The drill bit should not slip or wobble.

Petunjuk Pengoperasian

This drill bit is designed for general-purpose drilling in various materials, including alloy steel. Always prioritize safety during operation.

Exact 38244 Drill Bit in use, drilling into metal

Figure 3: The Exact 38244 drill bit actively drilling into a metal surface, showing metal shavings being produced.

  1. Persiapan Bahan: Amankan benda kerja dengan kuat menggunakan clamps or a vise to prevent movement during drilling. Mark the drilling location accurately.
  2. Lubang Pilot (Opsional): For very large holes or hard materials, consider drilling a smaller pilot hole first to aid in centering and reduce strain on the larger drill bit.
  3. Kecepatan Pengeboran: Select an appropriate drilling speed for the material. Generally, harder materials require slower speeds, while softer materials can tolerate higher speeds. Refer to drill manufacturer guidelines for specific speed recommendations.
  4. Terapkan Tekanan: Apply steady, consistent pressure to the drill. Avoid excessive force, which can cause the drill bit to overheat, dull prematurely, or break.
  5. Lubrication/Coolant: For drilling in metals, especially harder ones, use a suitable cutting fluid or coolant to reduce friction, dissipate heat, and extend the life of the drill bit.
  6. Chip Clearance: Periodically withdraw the drill bit from the hole to clear chips and allow coolant to penetrate. This prevents chip packing and overheating.
  7. Tindakan pencegahan keamanan:
    • Always wear safety glasses to protect against flying debris.
    • Wear appropriate gloves to protect hands, but avoid loose-fitting gloves that could get caught in rotating machinery.
    • Do not wear loose clothing or jewelry that could become entangled.
    • Ensure adequate ventilation, especially when using cutting fluids.
    • Disconnect power before changing drill bits or performing maintenance.

Pemeliharaan

Perawatan yang tepat akan memperpanjang umur dan kinerja mata bor Anda.

Penyelesaian Masalah

Lihat tabel berikut untuk masalah umum dan solusi potensialnya.

MasalahKemungkinan PenyebabLarutan
Drill bit not cutting or cutting slowlyDull cutting edge; Incorrect speed; Insufficient pressure; Wrong drill bit for material.Sharpen or replace drill bit; Adjust drilling speed; Increase feed pressure; Verify drill bit suitability for workpiece material.
Panas atau asap yang berlebihanDull drill bit; Too high speed; Insufficient coolant/lubrication; Chip packing.Sharpen or replace drill bit; Reduce drilling speed; Apply more coolant/lubrication; Clear chips frequently.
Drill bit breakageExcessive force; Drill bit wobble/runout; Workpiece not secured; Drill bit hitting hard inclusion.Reduce feed pressure; Ensure drill bit is securely chucked; Secure workpiece firmly; Inspect workpiece for hidden obstacles.
Hole is oversized or out of roundDrill bit wobble; Worn chuck; Excessive side pressure.Ensure drill bit is securely chucked; Inspect drill chuck for wear; Apply even, axial pressure.

Spesifikasi

Detailed technical specifications for the Exact 38244 Spiral Drill Bit.

SpesifikasiNilai
Nomor Model38244
BahanHSS-G (High-Speed Steel Ground) / Alloy Steel
StandarDIN338
JenisN
MembentukC (Split Cut Tip)
Diameter17.0 mm
Reduced Shank Diameter13 mm
Panjang Total184 mm
Panjang Bilah35 mm
Kedalaman Pengeboran5 x D (5 times diameter)
Sudut Ujung118°
Spiral Angle20-30 derajat
Jenis SelesaiSteam Tempered
Berat Barang200 gram
Dimensi Produk (P x L x T)Ukuran 18.4x1.7x1.7 cm
Komponen yang Termasuk1 x Exact Twist drill bit, diameter 17.0 mm, HSS-G, DIN 338, form C, type N, reduced shaft

Garansi dan Dukungan

For information regarding product warranty, returns, or technical support, please refer to the official Exact product documentation or contact your point of purchase. Specific warranty terms may vary by region and retailer.

Untuk bantuan lebih lanjut, Anda dapat mengunjungi Exact brand page on Amazon.in.

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