Alloy drill bit for metal chip and coolant

Chip is drill bits for metal for metaling in question can not be ignored. In fact, the drill bit for metaling encountered the most problems is poor chip (especially when machining low carbon steel workpiece), and regardless of the drill bit for metal were unable to avoid this problem. Processing plant are often used way of external coolant injection auxiliary chip, but this method only if the workpiece hole diameter and decrease the cutting depth is less than the case of the parameter is valid. In addition, you must use the hss drill bit for metal diameter to match the right kind of coolant flow and pressure. For the spindle cooling system is not installed in the machine, you should use a coolant pipe. The deeper the hole to be machined, the more difficult chip removal, the coolant pressure greater need, therefore be guaranteed bit manufacturer's recommended minimum coolant flow, such as drill bit lack of coolant flow, it is necessary to reduce the machining feedrate.