![]() It is strictly forbidden to start the drill rod spindle when the drill bit has not entered the drill sleeve (guide hole), the coolant has not been turned on, and the effective support has not been obtained the spindle should stop rotating or rotate at a very low speed below 50RPM when retracting the tool. When the size of the inner hole of the guide sleeve is larger than the nominal size of the gun drill 0.02mm, it needs to be replaced in time. The tip of the gun drill deviates from the center, and the drilling process must be guided by a guide sleeve or a guide hole. The cutting oil (fluid) should be a special deep-hole cutting oil (fluid) containing extreme pressure additives. For the pressure and flow rate of this system, please refer to the manufacturer's recommended data. When using gun drill, especially when using simple deep hole processing equipment, please protect the machine tool properly to prevent the chips and coolant from harming the human body.Ī high-pressure cooling system that meets the requirements is particularly important for deep hole drilling. ![]() ![]() No matter what gun drill equipment is used, it is recommended to use the manufacturer's recommended values for the cutting parameters of the equipment. The equipment used for gun drilling is generally a special machine, and the deep hole drilling system suitable for the transformation of lathes and boring machines can also be used.
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