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The improvement of tool performance is directly related to tool coating and geometric parameters. From the cutting tools used in today’s machining, more than 70% of the cutting tools are coated. The application of tool coating not only plays a protective role on the tool, but also effectively promotes the improvement of tool matrix material […]
Several operations related to drilling Hole is an important surface on the box, bracket, sleeve, ring and disk parts, and is often encountered in machining. Drilling refers to the method of machining holes on solid materials with drill bits. There are several operations related to drilling. Some of them are: Reaming, Tapping, Counterboring, Countersinking, Center drilling, […]
One auto parts manufacturer sends taps for repairs every 2,000 to 3,000 holes it processes. In this way, each tap can be reused three times. But if he uses the taps until they are completely damaged and then sends them back for repair, they may only be able to process 1,000 more. We recommend that […]
Tool materials Common tool materials in tool grinding are: high speed steel, powder metallurgy high speed steel, hard alloy and PCD, CBN, cermet and other superhard materials. High speed steel tool sharp, good toughness; Carbide cutting tools have high hardness but poor toughness. The density of carbide tool is obviously higher than that of HSS […]
SANDVIK SANDVIK was founded in 1942 and belongs to Sandviken Group. The company is headquartered in Sandviken. It has the largest cemented carbide blade manufacturer in the world in Gimo, Sweden. SANDVIK has 73 subsidiaries or branches in more than 60 countries around the world. SANDVIK has 39 production bases, 3 central warehouses and 19 […]
In the regrinding process of the drill bit or milling cutter, cutting lip should be ground to remove the original coating, so the grinding wheel used must be of sufficient hardness. Regrinding pretreatment of cutting lip is crucial, not only to ensure that the geometric shape of the original cutting lip after regrinding can be […]
The alloy milling cutter is a tool with high hardness, high bending strength and toughness. Its hardness value varies with the nature, quantity, particle size of carbide and the content of metal bonding phase, and generally decreases with the increase of the content of bonding metal phase. Alloy milling cutter is suitable for processing copper, […]
The dull or damaged large diameter drill bits will affect the progress of the work, and due to the higher hardness, larger diameter, and larger sharpened area of large diameter drill bit, generally for manual sharpening that necessary worker to sharpen it with more experience, today, we are talking about how to sharpen large diameter drill bits with […]
Chemical Vapor Deposition (CVD) diamond coating has many excellent properties, such as high hardness, high thermal conductivity, low friction and low expansion coefficient. CVD diamond coated cutting tools are based on hard alloy materials and coated with CVD diamond film on the substrate of milling cutter, drill bit, blade and other tools to enhance cutting […]
