Controls must be recessed inside the punch or die shoe and facing the operator. 控制開(kāi)關(guān)必須凹入面對操作者一側的沖頭或模座內。
Return springs and rods must be adequately protected from handling damage if they extend beyond the edge of the die shoe. 如果驅動(dòng)彈簧及鑼稈伸出模座外應充分的保護避免搬運破壞。