Drilling in Different Steel Materials: A Comprehensive Guide
The Significance of Drilling in Different Steels
Brief Introduction: In industrial production and construction fields, drilling operations on different steel materials are frequently required to meet the needs of connection and assembly. Different steel materials possess diverse characteristics, and thus choosing the appropriate drilling methods and tools is of utmost importance.
Common Drilling Tools for Steel Materials
High-Speed Steel Drill Bits
Brief Introduction: A 20-millimeter high-speed steel drill bit can be used to drill steel plates. When the interface is installed on a magnetic drill, the drilling speed is relatively fast, but the cost is relatively high. It is suitable for steel plates of various thicknesses. However, for high-strength drill bits, generally, they can only drill steel plates with a thickness of less than 3 millimeters. For steel plates thicker than 3 millimeters, high-speed steel drill bits are required.
Special Steel Plate Drill Bits (Hollow Drill Bits)
Brief Introduction: The drilling speed is very fast, with obvious advantages, and it is also suitable for drilling steel plates, but the drilling cost is relatively high.
Laser Drilling Equipment
Brief Introduction: Laser punching is one of the key technologies in the modern manufacturing field. It has the advantages of high precision, strong versatility, high efficiency, and low cost. It can drill holes in various materials such as hard, brittle, and soft materials, with fast speed, high efficiency, and good quality.
Multifunctional Magnetic Drill (such as TAP30)
Brief Introduction: For materials with high hardness and high viscosity, such as stainless steel, chrome materials, manganese steel, etc., the TAP30 machine with stepless speed change, torque protection, and double insulation protection device can be selected. It has the integrated functions of hollow drilling, twist drilling, and tapping.
Drilling Techniques for Different Steel Materials
Common Steel Plates
Brief Introduction: For common steel plates, a small hole can be made first by scribing to prevent drilling deviation. Place it in a radial drill for drilling. Pay attention to safety and do not wear gloves. Drill clockwise for cutting. The rotational speed is controlled at 200 revolutions per minute. Prepare clear water or emulsion for heat dissipation during drilling.
Stainless Steel
Drilling Techniques for Large Holes Brief Introduction: If the hole is larger than 6 mm, first use a 3.2 mm - 4 mm drill bit to drill a small hole, and then use a large drill bit to enlarge the hole. Use a nail to make a pit at the center of the drilling. The chuck of the electric drill should clamp the twist drill bit with a shorter length and not too sharp edge. The optimal rotational speed of the electric drill is between 80 and 120. Stand firmly and apply force evenly and intermittently to the electric drill.
Other Techniques Brief Introduction: Hole openers all have center drills. First, make a positioning guide hole on the steel plate to facilitate the drilling of a large-diameter hollow drill bit. For large-sized holes, methods such as gas cutting, plasma cutting, laser cutting, and water jet cutting can be considered.
Special-Shaped Steel
Brief Introduction: The drilling machine for special-shaped steel includes an installation frame, a drilling mechanism, a limit slot, etc. Through the coordinated work of the free feeding area, the adjustable fixing mechanism, the detachable cleaning mechanism, the free blanking area, and the function conversion mechanism, the magnetic guidance and positioning component, the adjustable clamping component, and the telescopic lifting component in the adjustable fixing mechanism perform double-sided clamping and guidance and positioning on special-shaped elliptical steel materials of different sizes to ensure the accuracy of the drilling position.
Conclusion
Brief Introduction: Drilling in different steel materials requires selecting appropriate tools and methods according to the characteristics of the steel materials and mastering the correct drilling techniques to improve work efficiency and drilling quality.
Zhejiang Xinxing Tools Co., Ltd., established in 1994, is a professional designer & manufacture of high-quality cutting tools with advanced technique and equipment.
