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The multi-pole tubular arc-shaped trolley wire is composed of PVC shell, copper sheet, electric system and other components. The trolley wire is mainly used in the turn of workshop rails, mainly in turning places, and the tube-type multi-polar arc slides. Lines can be applied basically. Multi-pole arc-shaped sliding contact line requirements are as follows 1. Tubular multi-polar curved trolley line, the guide rail arc radius should be greater than or equal to 1.5 meters; 2. The workshop must be...
Choosing to perform at the site of the selection cable is not to coax the cable. It is estimated that the wire and cable are very good, probably the best of GuoBiao. Electrical engineering users and career cable payers, let us be simple. There are three main types of cables, users, and general construction projects to perform: cable 1. GuoBiao peripheral: According to the standard technology set up by the country, the peripheral line comes from the international peripheral abbreviations. 2. The...
1. Determine the location of weak-wire indoor access points In this link, the owner needs to inform the designer of his own habits and functional requirements. If the TV is installed in the bedroom, it needs to be installed on the wall of the bedroom's TV signal cable; if the computer is used in the study, it needs to be in the study room. The network interface is installed on the wall; installing a telephone in the bathroom requires that the access point of the telephone line be led to the...
To understand the problem of temperature compensation of thermocouples, it is necessary to work from the principle of thermocouples. Tian Kang here talks about the total thermoelectric potential and intermediate temperature rule of the thermocouple closed loop related to it. The former explains: For the selected thermocouple, when the reference junction temperature is constant, the total thermoelectromotive force becomes a single-valued function of the measuring tip temperature, that is, a...
Cables are ours and are indispensable materials for our indoor circuit connections. At present, the market is divided into aluminum alloy cables , copper cables, aluminum cables, copper alloy cables, etc. according to the materials. They have different characteristics. Aluminum alloy cables are our home. A commonly used cable, what are the characteristics of aluminum alloy cables, and what are the factors that affect the price of aluminum alloy cables, the following text will introduce it to...
Measures to prevent fire of wires and cables: 1. Guarantee the construction quality, especially the production quality of the cable head must strictly meet the requirements of the regulations. 2. Strengthen cable operation monitoring to avoid overloaded cable operation. 3. According to the cable test, if it is found to be abnormal, it should be handled in time. 4. The cable trench should be kept dry to prevent the cable from getting wet and causing the insulation to drop, causing a short...
Analysis of Causes of Broken Wires in High Speed Wire Cutting Machines High-speed wire cutting machine is suitable for processing various complex shapes of die and single-piece gears, splines, sharp corners and other narrow parts. It has the advantages of high speed, short cycle, etc. The application is very popular. The electrode wire of high-speed wire cutting wire-cutting machine tools is mainly made of molybdenum wire. The speed of the electrode wire is usually 8 to 12 meters/second, and it...
1. look at the label printing samples, the address is unknown. Refers to the label on the label and the insulating cover. If there is a typo or a different shade of printing or the words are blurred, you must pay attention to it. 2. Insulate the skin with a hand, fade, drop the word quality. Refers to rubbing the insulation sheath with your fingers. Some poorly insulated wire sheaths are easy to discolor. This is especially true with red lines. After the rubbing, the skin color on the fingers...
The rubber sheathed cable is a kind of soft and movable cable variety with multiple strands of fine copper wire as the conductor, outsourcing rubber insulation and rubber sheath. In general, it includes general rubber sheathed flexible cables, welding machine cables, submersible motor cables, radio equipment cables, and photographic light cables. The reason for the blackening of the rubber cable copper wire is caused by a variety of factors, not only the rubber formula problem, but also the...
Fire-resistant wire and cable is a general term for wire and cable with fire resistance, and is usually divided into two types: fire-retardant wire and cable and fire-resistant wire and cable. 1, flame retardant wire and cable Flame retardance refers to retarding and retarding the spread of flames along wires and cables so that the fire does not expand. This type of cable has self-extinguishing properties after ignition. Fire-retardant cables can be divided into three grades according to the...
(1) Cable handling: The cable should be wrapped around the plate for transportation. When manpower is pushed, it should be rolled in the direction of the tightness of the cable coil or in the direction of the arrow marked on the plate. Otherwise, the cable will loosen and become twisted. It is difficult to remove the cable in the future. When transporting by car, the cable tray should be placed on the vehicle and temporarily fixed. Do not drop the disc when unloading the car. Roll it down or...
Speaking of drones, everyone is not unfamiliar. It would be a novelty to use drones instead of couriers to deliver express. Recently, a certain express company obtained the first domestic drone logistics operation "pilot" license, which has further attracted widespread attention for drone delivery. According to the relevant provisions of the permit, drones can only be used for logistics work in the area specified by the Civil Aviation Administration. Are you guessing that if drone express...
The central control lock of the stopper added to the rear of the car generally has five wires for the main driver. How to connect with the anti-theft device? Answer: The vehicle anti-theft device is basically a negative trigger for the central control lock set. There are more positive and negative triggers for the central control lock separately installed. This only needs to be connected to the wire. You can find a flexible wire to connect one end to it. Iron, one end is connected to the lock...
What are the four wires of the car's main lock and how to connect them? Two are the control lines of the locking motor, and two are the control lines of the locking trigger. The additional anti-theft device is connected to the two trigger lines. The four-wire central control does not have a motor, and a separate unlocker is required. The CIF has its own motor. However, there are many types of unlocking machines equipped with Jetta, which can not be distinguished by just looking at the line....
(1) After the circuit has been verified to confirm that there is no voltage, the grounding wire should be installed immediately and a three-phase short circuit should be provided. The branch lines (including users) at both ends of the working area of the work class and that may transmit power to the power outage line must inspect the electricity and hang the grounding line. Hanging down the grounding wire should be under surveillance. Lines with power outages can only be installed near the...
Presumably everyone should be familiar with the trolley wire. He is an electric wire that runs on electricity, so the quality specification of the trolley wire is very important. Because it not only affects the lifespan of its use, but also rests on its own safety. Here are four simple ways to talk about how to identify the quality when buying trolley wires. 1, PVC shell thickness. Generally speaking, the housing of the trolley wire protects the conductor of the trolley wire and plays an...
How to use slide wire? Where is the trolley line applied? What is his composition? With these questions, we look down together. The trolley wire device consists of three main components of the sheath, the conductor and the power receiver, and some auxiliary components. 1. Sheath: It is a semi-closed tubular tubular component that is the main part of the trolley wire. 2, conductor: The main material is copper, according to its cross-sectional area commonly used 10 square, 16 square, 25 square....
The trolley line is the most common power supply device in mobile devices. When using the trolley line, it is inevitable to encounter wearing parts. For the wearing parts, the users are generally more prepared to avoid urgent use. This article briefly describes the consumable parts of the trolley wire. 1、Sliding wire collectors; collectors as a power-sinking device for trolley wires, the wear capacity of the carbon brush determines its service life, when the mobile device is used frequently,...
1. Position selection should be laid in the place where the explosion is less dangerous or farther away from the source of release. 2, laying the way to choose to explosion zha Electrical hazards in the electrical lines are mainly explosion-proof steel wiring and cable wiring. 3、.Isolation Sealing When laying the channel of electrical circuit and the protective tube, cable or steel pipe passing through the partition or floor between the zones with different hazardous environment levels, the...
The wires are made up of one or more flexible wires with a light and soft sheath; the cables are made of one or more insulated sheathed wires and covered with a tough outer layer made of metal or rubber. Cables and wires are generally composed of three components: a core wire, an insulating sheath, and a protective sheath. The characteristics of commonly used cables are as follows: CEF - Ethylene propylene rubber insulated neoprene sheathed, shipboard flame retardant power cable. CVV - PVC...
Focus on checking the fasteners for looseness, displacement, and wear of plastic parts and moving parts. Check the spring tension. The contact pressure between the collector brushes and the guide rails should maintain a certain pressure. Find problems in a timely manner. 3. Connector: Check at least once a year. Focus on checking whether the fastening bolts, welds, and supports are loose, rusted, or displaced. If any problems are found, handle them in time. The cold rolled steel sheet is...
In the field of wiring, we often see five categories, super five, six, super six, or even seven types of related terms of the wiring medium, which is better, how should choose? Henan Kexin Cable Co., Ltd. thinks: These terms represent different evolutionary processes of the wiring transmission media standard. The five-category category should be more advanced than the five categories, and the category six and category five innovations. However, technological infrastructure equipment has been...
In the field of wiring, we often see five categories, super five, six, super six, or even seven types of related terms of the wiring medium, which is better, how should choose? Henan Kexin Cable Co., Ltd. thinks: These terms represent different evolutionary processes of the wiring transmission media standard. The five-category category should be more advanced than the five categories, and the category six and category five innovations. However, technological infrastructure equipment has been...
Introduction: Wires and cables may be confused by many people. The same is the conductor of transmission. What is the difference between the two? This article will take everyone into the wires and cables. What is a cable? The cable consists of one or more electrically insulated conductors insulated from one another and placed in insulated conductors in a sealed jacket. Outside it can be added to protect the overlay for the distribution of electrical energy or the transmission of electrical...
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.