Pneumatic tool refers to a tool that uses compressed air to drive an air motor to output kinetic energy. A pneumatic screwdriver is a pneumatic tool that tightens or disassembles a bolt nut that is suitable for industrial assembly. Pneumatic screwdriver shells are mostly made of metal materials with good antistatic properties. Next, Xiao Bian came to talk about the principle of pneumatic screwdrivers, safety rules and maintenance.
　 Pneumatic screwdriver principle
The working principle of the pneumatic screwdriver is actually quite simple. The compressed air pressure of the air compressor drives the blades of the motor in the wind batch, and then the blades drive the rotor, thereby driving the rotor to drive the screwdriver. The screwdriver then drives the screw to rotate so that the screw and the nut are released or Tighten.
The note is: How to control the rotation of the screwdriver? People with a little bit of common sense know that if the screws are tightened too tightly, the screws or nuts will cause them to slip, but if they are not tightened, the quality of the item or the project will be overpowered.
　　 Pneumatic screwdriver safety operation procedures
1. Slowly change the gas valve indication switch (R forward - L reversal) in the direction of rotation.
2. The motor can be rotated by pressing down, which can save the movement of the boring bar and increase the efficiency.
3, large torque (tight) small (loose) easy adjustment, tighten the torque adjustment ring to the right, the torque increases to increase, adjust the ring to the left tight, reducing the torque becomes smaller
4. When the load reaches a preset torque value, the air motor will automatically stop.
5, gently press the screwdriver shaft cap can quickly replace the screwdriver head, relax and exit the upper seat can replace the torque sheath (optional).
　 Pneumatic screwdriver maintenance matters
1. Long-term non-use of pneumatic screwdrivers must be lubricated and stored, otherwise the pneumatic screwdrivers will be damaged. Get used to lubrication before work.
2. Before using the manual oiler to lubricate, remove the pneumatic screwdriver and the pneumatic tube, then add the oil (#30-#60) to the air intake nut, connect the pneumatic screwdriver and the pneumatic tube, and then press the screwdriver to idle about two Seconds to complete the lubrication save. 1-2 times a day can extend tool life.
3. When replacing the soft jacket, first put the jacket into the torque adjustment ring, and then use air pressure to blow the air, so that the outer diameter of the jacket becomes larger, and at the same time, the jacket can be pushed into the jacket.
Pneumatic screwdriver principle, safety operation regulations and maintenance matters are introduced for everyone. Pneumatic screwdrivers are a kind of pneumatic tools, so special attention must be paid to maintenance. Because Pneumatic screwdrivers are more sophisticated tools, they must be handled lightly and gently. They must not be collided or dropped to the ground. They should be calibrated regularly. After use, they should be wiped clean with cotton yarn and placed in a holder.
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