＜正＞ The mathematical mode1 on the temperature of the waved-edge is constructed accordingto Jaeger’s theory of moving solid and based on the used temperature model of the fiat insert. It ispossible to forecast the milling temperature through programming. The comParable experimentshave been done between the two new three-dimension groove inserts （waved-edge insert, great edgeinsert） and flat fake insert. The theoretic forecast is in good agreement with the experimental result.
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