How to remove the chuck head of the electric drill, and how to replace the drill chuck of the hand d

This must understand the fitter to know how to dismantle, often do not understand the mechanical structure of people like to mess in, do not understand is not to understand simply do not speak, more to see how others answer the question at the same time can also learn something. The inner diameter circle of the head of the hand drill is a trapezoidal conical trapezoidal body, and the rotating body of the pistol drill is also a trapezoidal cone, and a male and a female between them are pressed tightly, so it is impossible for people who do not understand technology to take it down, and there are two ways to take it off:

1. In the absence of conditions, the pistol drill bit is facing down, and the hammer is gently knocked 360 degrees on the head. Then take the bottom approach.

2. Use a professional triangle grinding or 4-foot grinding to set the circumference of the head, hook the head, and the top column in the middle is against the center point of the pistol head, stir the hand rod with your hands, and then it will fall off gently, see figure:

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The drill chuck replacement method of the hand drill drill is as follows:

1. First of all, you need to prepare the tool, there is a chuck, the chuck is reversed, all three claws should be indented into the hand drill, and there is a screw to fix the chuck on the shaft.

2. Unscrew the screw, unscrew the flashlight drill shaft with a wrench, clamp the drill bit and reverse it, all indented, so that it can be replaced successfully. If there are no collet set screws, they can be fixed with a wrench, making it very easy to change the chuck.

Precautions.

1) When operating, be sure to remove the plug to ensure that it is in a state of no electricity during operation, so that it is safer.

2) Generally, the nail fixing the chuck is reversed, that is, it is just the opposite direction of our usual screwing, so that the direction of operation should be selected in the process of taking out. In the same way, after the new chuck is replaced, it needs to be fixed in the opposite direction when disassembled, that is, the screw is fixed in the chuck counterclockwise.

3) When removing the chuck, you need to use a nail or other tools to resist the heat sink with one hand, so that the chucks can be taken out, but there may also be a situation that it cannot be removed. At this time, you can use a tool to pad the chuck, and then take a screwdriver against the joint, hit the screwdriver head with a hammer with one hand, and loosen the chuck with force.

1. Disconnect your handsElectric drillsUnplug the power cord of the flashlight drill from the outlet.

2. Put gloves on both handsHold the hand drill tightly with one hand, pinch the mouth of the hand drill hoist with the other hand, and rotate vigorously to expose the hole with the drill bit.

3. If there is a circle of teeth at the front end of the hand drill, twist it with a special key that is configured.

4. Take out the drill bit to be installedPlace it on the exposed hole at the front end of the hand drill, and rotate the drill bit clockwise by hand to jam the drill bit.

5. Adjust the depth position of the drill bit into the holeTighten the lock in a clockwise direction with the special key.

6. Plug in the power cord plug of the hand drill and turn it on, idling for two seconds, to observe whether the drill bit of the hand drill is installed firmly.

1. First of all, install the chuck key, as shown in the figure below.

2. Stretch the chuck to the maximum and retract the claw of the chuck, as shown in the figure below.

3. Insert the long end of the chuck key into the chuck mouth, as shown in the figure below.

4. Fix the chuck, knock on the chuck's key, and slowly exert force at the beginning until the chuck is loose, as shown in the figure below.

5. Of course, it is best to have a vice, but if the equipment is poor, a simple claw pliers can also complete the task well, as shown in the figure below.

6. This removes the card head, as shown in the figure below.

The method of disassembling the flashlight drill bit is as follows:1. First of all, insert the cone into the head of the hand drill and twist it clockwise.

2. After that, you can remove the screw car sales traces inside.

3. After that, use a nail to jam the heat dissipation paddle of the hand drill and close it on. The heat sink paddle must be jammed with an object, otherwise it will affect the next step of disassembling the chuck.

4. After that, the head can be taken out by counterclockwise with a rotating electric drill bit.

The hand drill chuck is disassembled as follows.

1.Put the screwdriver into the drill chuck, knock it in, and then twist it clockwise to remove the screws inside.

2.Find an Allen wrench, put it in the drill chuck, and twist the drill chuck tightly.

3.Find a thick screwdriver and hit the wrench close to the ground and repeat it several times.

4.Remove the hex wrench and remove the drill chuck.

Classification of electric drills.

1. The electric drill is mainly through power, which can achieve the purpose of drilling, and is the most common tool for power tools, and the demand is relatively large. According to the specifications of the drill, there are large and small, such as 4 mm or 13 mm, 16 mm, the largest 49 mm and so on. The higher the number, the higher the corresponding tensile strength and the larger the size of the drilled hole.

2. The electric drill has a hand electric drill, and the power will be relatively small, which can be used to drill wood. And it has many uses and models, directly in the hand, drilling holes in metal or wood.

3. There is a percussion drill, there is a button at the drill bit chuck, which can be used for rotation adjustment, its impact force is slightly larger than that of a hand drill, and it can drill reinforced concrete, but the effect is not particularly good.

4. If you want a better effect, you can choose an electric hammer, its impact capacity will be relatively strong, it can drill reinforced concrete, produce a great impact force, and the force can split stones and gold. <>