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tipped tool
A tipped tool generally refers to any cutting tool where the cutting edge consists of a separate piece of material, either brazed, welded or clamped on to a separate body. Common materials for tips include tungsten carbide, polycrystalline diamond, and cubic boron nitride. Tools that are commonly tipped include: milling cutters (endmills, fly cutters), tool bits, and saw blades.
==Advantages and disadvantages==
The advantage of tipped tools is only a small insert of the cutting material is needed to provide the cutting ability. The small size makes manufacturing of the insert easier than making a solid tool of the same material. This also reduces cost because the tool holder can be made of a less-expensive and tougher material. In some situations a tipped tool is better than its solid counterpart because it combines the toughness of the tool holder with the hardness of the insert.〔
In other situations this is less than optimal, because the joint between the tool holder and the insert reduces rigidity.〔 However, these tools may still be used because the overall cost savings is still greater.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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