By Olivier Constance. Car Wiring. Publised at Thursday, January 04th 2018, 06:05:59 AM. Several modern cars have separate thin wires embedded in flat plastic strips. These strips are very compact, and are used mainly for accessories and relay controls that require little power.
By Adrienne Emmanuel. Electrical Wiring. Published at Wednesday, February 21st 2018, 03:38:10 AM. PCBs with SMT on both sides and those with mixed TH and SMTs may start to flex and bow when in the reflow oven or selective soldering machine. For this reason, the maximum size for this type of board is usually smaller than the single-sided. Breaking out the boards manually can stress the board and components near the edges, the solder joints, or leave out rough stubs on the edges
By France Barbara. Electrical Wiring. Published at Tuesday, February 20th 2018, 23:10:55 PM. To overcome these challenges, engineers may use SMT fixtures or the panelization techniques. Each of the two methods provides a carrier with standard dimensions and provisions for fitting, securing and supporting the irregular boards.
By Dorian Yannic. Car Wiring. Published at Tuesday, February 20th 2018, 09:35:38 AM. If this does not blow a fuse the wiring overheats and melts insulation, perhaps starting a fire. A similar result can come from fitting accessories incorrectly, or if power demand is too high for the size of the wire being used. After many years, insulation may become hard and brittle, particularly where it is exposed to heat, as in the engine bay. Sections, or all of the loom, may need replacing.
By Cyrille Lothaire. Motor Wiring. Published at Tuesday, February 20th 2018, 06:15:41 AM. 2 wires. Servomechanisms are designed to move to a spot and hold it is position. They are not designed to spin continuously. Used to position print heads in ink jet printers, plotters, scanners. Travel at set speeds. Go to a spot and stop. When stopped and still turned on, will attempt to hold it is position. Forcing it to move in this position can damage the motor. Typically is controlled by a circuit board that counts shadows with an LED and light sensor or has a resistor that changes value depending upon position. Often zooms to one side when powered on to figure out where it is at.
By Mailys Laurent. Electrical Wiring. Published at Tuesday, February 20th 2018, 03:43:49 AM. Depanelization is the process of separating the individual boards from the main array and usually depends on the panelization method applied. The choice depends on the clearance to provide at the edges of the PCB, and the presence of sensitive SMT devices, or hanging connectors near the edges. There are automatic methods, such as the laser cutting or depaneling router, as well as manual methods that involve breaking the tabs using hands or other tools.
By Dorian Yannic. Car Wiring. Published at Tuesday, February 20th 2018, 03:33:24 AM. Use insulating tape in a spiral to bind wires together. If you have to lead a new wire along a difficult route - to the rear of the car, for example - you could take the opportunity to lead a spare wire at the same time, for any accessory you might want to fit later. Cover the end of a spare wire with insulating tape to prevent an electrical short circuit. Identifying cable sizes 14/30 cable 65/30 cable High-tension (HT) lead The starter cable Types of cable.
By Gaspard Magalie. Car Wiring. Published at Tuesday, February 20th 2018, 02:52:12 AM. Cable sizes are given by two numbers. The first one is the number of strands. The second (which is always the same in car wiring) is the diameter of each strand in millimetres. Twisting wires together and fitting spade terminals twist bare ends together and solder them.Cover the joint with insulating tape. Tag connectors are closedround the bare wire withpliers, then soldered. A spade terminal is easy to disconnect andreconnect. Methods of joining, wires To connect two wires, use a wire stripper to remove about in. (19 mm) of insulation from each wire.
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