1, The depth of the hole 4.5MM, the product is high-strength steel S420, 4-M5 × 0.8,4-M6 × 1.0,4-M8 × 1.25 a total of 12 hybrid one-stop overall output;
2, With the punch 2000T, travel 700mm, three yuan manipulator grab the stroke of 200mm;
3, The production speed ≧ 18S.P.M. The lower mold need to design the oil return tank and the leakage interface to recover the excess cooling oil;
4, Require all the taps for safety testing and ≦ ∮ 5 small punching positioning detection.