Carbide drill bit
Carbide drill bits are divided into four basic types: solid carbide drill bits, carbide indexable insert drill bits, welded carbide drill bits and replaceable carbide crown drill bits. Each drill bit has benefits suited to specific machining conditions.
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Product Description
Carbide drill bits are divided into four basic types: solid carbide drill bits, carbide indexable insert drill bits, welded carbide drill bits and replaceable carbide crown drill bits. Each drill bit has benefits suited to specific machining conditions.
(1)Solid carbide drill bit
(2) Carbide indexable insert drill bit
Drills equipped with carbide indexable inserts can process a wide range of hole diameters, with a processing depth ranging from 2D to 5D (D is the hole diameter), and can be used in lathes and other rotary processing machine tools.
(3) Welded carbide drill bit
Welded carbide drill bits are made by smoothly welding a carbide crown on a steel drill body. This kind of drill adopts a self-centering geometric edge shape, which has low cutting force and can achieve excellent chip control on most workpiece materials. The machined holes have good surface finish, high dimensional accuracy and positioning accuracy, and there is no need to drill any more. For subsequent finishing. This drill adopts internal cooling system and can be used in machining centers , CNC lathes or other high-rigidity, high- speed machine tools.
(4) Replaceable carbide crown drill bit
Replaceable carbide crown drills are a new generation of drilling tools . It is composed of a steel drill body and a replaceable solid carbide tooth crown. Compared with welded carbide drill bits, its processing accuracy is about the same. However, because the tooth crown is replaceable, the processing cost can be reduced. , improve drilling productivity. This drill achieves precise hole size increments and is self-centering, resulting in high hole machining accuracy.
The drill body and the carbide crown are locked with each other using a precision-ground interlocking V-groove connection mechanism, which ensures that the drill bit assembly has the same dimensional accuracy and overall rigidity as a welded carbide drill bit. At the same time, this locking mechanism has only one precise matching position, making it easy to install the tooth crown on the matching tie rod, thereby ensuring repeated positioning accuracy when replacing the tooth crown. When the tie rod is tightened by the locking screw, the crown/drill body assembly is smoothly locked with each other, and its connection stiffness is sufficient to meet the requirements of high-feed, high-speed cross-production hole processing. The carbide crowns manufactured by Seco-Carboloy using advanced injection molding technology have extremely high material uniformity, giving the crowns uniform strength and uniform thermal deformation properties. Seco currently offers CrownLoc drill bits with three specific geometry blades: the first is a universal geometry blade with conventional edge blunting radius, land width and reverse taper angle, suitable for processing most types of drills. Steel materials; the second is a geometric edge with a wider blade and chamfers , suitable for processing cast iron materials; the third geometric edge can reduce cutting heat and work hardening , and is suitable for processing stainless steel and super alloy materials.
When considering the cost per hole machined, the total life of the drill bit should also be taken into account. Generally speaking, a solid carbide drill bit can only be reground 7 to 10 times, and a welded carbide drill bit can only be reground 3 to 4 times. A carbide crown drill bit can be replaced when processing steel materials. The steel drill body can replace the tooth crown at least 20 to 30 times.
Nanjing Jianchuanshi Industry and Trade Co., Ltd. has specialized in cutting tools for more than ten years!
Many agent brands:
Sandvik; Kennametal; YG-1; WALTER; GESAC; YESTOOL; TT ; Zhengheyuan (SYIC) and other
advantageous channels: SCHUNK, HAIMER, Seco, ISCAR, DOMA, Nikken and many European and American products;
In addition: our company undertakes drill bits, drill tips, milling cutter mold modifications, and coatings , non-standard customization and program design. Overall optimization of tooling fixtures and CNC tools. Sales and services of jigs and measuring tools.
The company not only provides high-quality cutting tools, but also provides specialized production technology guidance. There are many technical engineers in the technical department of Beianshi Company, who will provide you with guidance on every step of the processing process of your products and analyze related technical issues, so that your products will have no worries from raw materials to finished products!
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