For the making of wire, metalrods are drawn through diesofsuccessively decreasing diameter. Lubricant is
necessary to reduce friction
between the rod and the die.Because the lubricant,normally a soap, does notitself adhere well to the rod, a
lubricant carrier is necessary.The carrier must form atenacious coating on the rodto which the lubricant willreadily adhere
ارجوا منكم اخباري المذيد عن سحب السلك الكربوني .