What Needs to Be Noticed During the Operation of Deep-hole Drilling Machines?

Deep-hole drillers are more concerned about its machining power, which contains cutting speed and feed speed, cutting speed is based on tool construction, data and workpiece raw materials to determine, usually at 50-100m/min. Feed speed: based on the condition of the processing workpiece and the technical condition, usually 10-100mm/min. In its use to achieve the best processing power when there are many factors to pay attention to, below by our deep-hole drilling machine production technology for us to summarize.

1. Ensure the coaxiality of the drill pipe holder, tool guide sleeve and the bedside box spindle and the drill pipe box spindle. 　

2. The stageless conditioning of the deep-hole drill to give the precise control of the speed of motion.

3. Adhere to adequate pressure, flow and clean cutting fluid system.

The main points and process measures of deep hole drilling processing.

With the continuous development of technology, deep hole drill is a typical structure of the inner chip deep hole drill, it is based on the single-edged internal chip deep hole drill, its cutting edge is double-sided wrong tooth, chip cut from the double-sided, and through the double-sided chip hole into the drill hole outside. Deep hole drill cutting force distribution is even, chip distribution, chip break performance is good, drilling is smooth and reliable, drilling out of the deep hole straight line is good.

1. Deep hole drilling can not directly observe the cutting situation of the tool, so the processing can only be done by listening to sound, looking at chips, observing machine load and cutting fluid pressure and other methods to judge the removal of chips and tool wear.

2. Deep hole drilling heat dissipation difficult, must use an effective and reliable cutting heat cooling method.

3. Deep hole drilling chip removal difficulties, such as chip blocking is very easy to damage the tool, so it is necessary to choose the cutting amount reasonably, to ensure reliable chip cutting, smooth chip removal.

4. The hole is prone to skew when drilling deep hole drilling, so the guide device and measures should be considered in the design of tool and inlet structure.

5. Drilling pipe length, poor rigidity and easy vibration will directly affect the processing accuracy and production efficiency, so it is very important to choose the amount of cutting reasonably.

In deep hole drilling, the following process measures can be taken in the process ingenuity of the visual specific processing:

(1) Drilling before pre-drilling a shallow hole with the same diameter as the drill bit, when drilling can play a guiding center. This step is especially necessary when machining small holes with high linearity requirements.

(2) When installing and commissioning the machine, ensure that the central axis of the workpiece hole coincides with the central axis of the drill pipe as much as possible.

(3) According to the workpiece material reasonable selection of cutting amount, in order to control the degree of chip curling, to obtain a C-shaped chip conducive to the removal of chips. When working with high-strength material workpieces, the cutting speed V should be reduced appropriately. The size of the feed amount has a great influence on the formation of chips, and a smaller feed quantity can be used under the premise of ensuring the chip break.

(4) In order to ensure the removal of chips, cooling effect, cutting fluid should maintain the appropriate pressure and flow. High pressure and small flow can be used when processing small diameter deep holes, and low pressure and high flow can be used when processing deep holes in large diameters.

(5) When starting drilling, the cutting fluid pump should be opened first, and then start the lathe, knife cutting.