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CBN tool solution for powder metallurgy sprockets with fine turning end face

2018-01-05

  Automotive

TransmissionTurbochargersAutomotive steering accessoriesPistonsBrake Calipers
Valve seatsClutch discsSprocketsOil distribution discsIntake/exhaust valve guides
Gear bushingsWheel bearingsOil injection nozzlesOutput shaftsAutomotive brake valves
Brake discsBall cagesDifferentialsEngineOil sump
Turbocharger Housing                


CBN tool solution for powder metallurgy sprockets with fine turning end face



A. Reasons why powder metallurgical parts are difficult to machine

Although powder metallurgical parts require only a small amount of machining, machining powder metallurgical parts is extremely difficult, mainly due to the porous structure of the powder metallurgical material.  


B. Tool materials for machining powder metallurgical parts

There are three types of tool materials used for machining powder metallurgical parts: Cemented carbide tools, ceramic tools and cubic boron nitride tools.


If processing powder metallurgy parts on the CNC lathe above, generally will choose ceramic tools and cubic boron nitride tools, carbide tools are generally not wear-resistant. Ceramic tools and cubic boron nitride tools in the processing of powder metallurgy, generally finishing processes, customers can be based on the actual situation and the economics of the use of tools specific choice, such as a large margin, the use of cubic boron nitride tools large margin processing powder metallurgy parts.


C. Example of powder metallurgy processing of CBN for WSS tools

Processing Case 1




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