Polycrystalline　diamond　(PCD),　is　a　tool　material　and　widely　used　in　nonferrous　metal　processing　due　to　its　excellent　properties,　such　as　high　hardness,　high　wear　resistance,　high　thermal　conductivity　and　low　friction　coefficient.　Considering　the　friction　between　the　cutter　and　the　workpiece,　the　heat　generated　by　the　elastic-plastic　deformation　and　the　heat　transfer　between　the　cutter　and　the　workpiece.　The　finite　element　analysis　software　ABAQUS　was　used　to　study　the　effect　of　different　processing　parameters　on　the　temperature　field　distribution　and　cutting　force　of　the　cutter,　in　the　case　of　welded　PCD　double-edge　end　milling　copper.　The　temperature　distribution　of　cutting　tools　and　the　changing　trend　of　cutting　force　with　milling　parameters　was　obtained.　These　technological　parameters　include　the　milling　rotation　speed　n,　the　axial　milling　depth　ap,　and　the　feed　rate　f.　The　simulation　results　show　that　the　tool　temperature　increases　with　the　increase　of　milling　depth,　feed　per　revolution　and　rotation　speed.　However,　the　tool　temperature　has　little　effect　on　the　tool　life.　Under　the　condition　of　satisfying　the　work-piece　surface　quality　and　machining　efficiency,　low　speed,　small　milling　depth　and　small　feed　should　be　selected　as　far　as　possible.　Milling　depth　has　a　great　influence　on　cutting　force.　When　milling　speed　is　about　2400　r/min,　the　axial　milling　depth　is　0.3　mm,　and　the　feed　is　0.2　mm/r,　which　can　obtain　small　milling　force　and　lower　tool　temperature,　and　further　extend　the　life　of　PCD　tool.　©　2020　Trans　Tech　Publications　Ltd,　Switzerland.