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FAQ
- Is the motor of an electric tool the alternating current motor or the direct current motor?
- The series motor is usually used. The series motor is connected in series because the stator and rotor windings are connected together, so when the current is reversed, the magnetic field is reversed, so the torque direction remains the same. However, according to this principle, the motor works at 180 degrees after the torque is gone, so even the AC motor, but also need to reverse, in order to work like a DC motor.The rectifier also needs to be rectified if it is operated under the direct current. The rectifier bridge is very small. On the circuit board, there are four diodes close together, mostly rectifier bridge
- What safety problems should we pay attention to when using electric drills or hand-held power tools?
- The motor inlet shall be provided with a ground or zero connection device.(4) wearing shoes must be worn while wearing protective gloves such as insulating gloves.(5) each use of tools must be strictly checked.
- How about plug wires and cables for power tools?
- Class I tools are common type power tools with a rated voltage of over 50 volts. Class I tools not only rely on basic insulation but also include an additional safety measure in the protection against electric shock. The method is that the accessible conductive parts and protection has been installed in the fixed line in the (ground) wire together, make accessible conductive parts in the basic insulation does not become damaged in the charged body. Plug for three pin plug type tool.
- What are power tools?
- Profile cutting machine, Bo Hai Power Tools Co., Ltd. is a research and development, production and sales of Bo Sea series of power tools specialized manufacturers. In order to ensure product quality and standards, the company continuously improve the quality of employees, and the introduction of automatic production equipment and strict inspection. Bo Hai tools with low noise, and finally modified date: 2006-07-242. flashlight diamond power tools Co., Ltd. is a research and development, production and sales of Bo Sea series of power tools specialized manufacturers. Main products: electric drill, impact drill, electric hammer, electric drill, wireless, reciprocating saws, electric scissors, angle grinder, straight grinder, die grinders, sanding machine, blow... Last modification date: 2006-07-243. impact drill
- How to detect the rotor of power tools?
- The rotor has no force. Most of them are burned out of the rotor, and many rotors can be removed if they are removed. One can distinguish, such as commutator commutator shedding, excessive wear. Have the commutator between electrodes and arc erosion serious. Rotor winding, inhaled by the fan, damage caused by damage to the rotor.
- How are the I, II, and III classes of power tools classified?
- Class I. In addition to basic insulation, the device has an additional safety measure. There is no grounding terminal on the shell of class I equipment, but there is a grounding terminal inside, and the power cord with protective plug is drawn out from the equipment.Class ii. The device has dual insulation and insulation protection measures.Class III. The device relies on extremely low safety voltages to protect against electrical shocks.
- What other tools are there for the furniture except the pistol hole?
- It is mainly used in construction, decoration, furniture industry, opening for objects or objects in the past, also known as hammer in some industries.Well, there are more drilling tools on the market now.
- What kind of power tools are hand drills? 1, 2 or 3?
- I class: in the prevention of electric shock protection, in addition to relying on basic insulation, but also the need for zero protection.Class II: the tool itself has double insulation or insulation without the need to protect the ground.Class III: Powered by a secure, ultra low voltage power supply, no voltage higher than the safety supply voltage is generated within the tool.The above is the classification of insulation categories.
