It is important to do a good job of extension twist drill safe operation, not only helps to ensure personal safety, but also helps to extend the service life of the extension twist drill. Here is an introduction to what you need to do to use the extension twist drill:
1, before use to check whether the components of the drilling machine is normal;.
2, the drill and the workpiece must be clamped tightly, can not hold the workpiece by hand, so as not to rotate the drill bit caused by injury accidents and equipment damage accidents.
3,Concentrate on the operation, the rocker arm and drag plate must be locked before work, loading and unloading of the drill bit can not use the hand hammer and other tools and objects, and can not use the spindle up and down back and forth to hit the drill bit, the key and wrench should be used to load and unload, the drill chuck should not be clamped taper shank bit; 4,Drilling thin plate must be clamped tightly.
4. When drilling thin boards, the drill bit should be sharpened and a smaller feed should be used. When the drill bit is about to penetrate the workpiece, the feed should be reduced appropriately and the pressure should be applied gently to avoid breaking the drill bit and damaging the equipment or causing accidents.
5,When the drill is running, it is forbidden to wipe the drilling machine with cotton gauze and towel and clear the iron chips. After work, the drilling machine must be wiped clean, cut off the power supply, and keep the parts stacking and working place neat and tidy.
6,Cutting entangled in the workpiece or drill bit, should lift the drill bit. Make it cut off, and stop drilling with specialized tools to remove the cutting.
7, must be drilled within the working range of the drilling machine, should not use more than the rated diameter of the drill.
8,Replacement of the belt position variable speed, must be in cutting off the power supply.
9,Working in any abnormal situation, should be stopped and then dealt with.
10, the operator must be familiar with the performance of the machine before operation, the use and operation precautions, raw hands are strictly prohibited to operate alone on the machine.
