By France Barbara. Car Wiring. Publised at Sunday, February 18th 2018, 17:58:15 PM. Push a screwdriver blade through the grommet carefully to enlarge it for the new cables, taking care not to damage insulation on existing wires. If you pass a cable through a new hole, fit the hole with a grommet. To pass wires up door pillars or behind trim, tape them to a piece of fairly stiff wire, poke it carefully behind the trim or up the pillar, and pull it through at the far end, bringing the wire with it.
By Gaspard Magalie. Car Wiring. Published at Tuesday, February 20th 2018, 02:52:12 AM. Push the wire into the connector so that the strands just protrude from the round end. Grip the cable, connector uppermost, in a vice or self-locking pliers, so that the connector rests on top of the vice and cannot slide down the wire when soldering. Inside a bullet connector. Apply solder on the top of the connector, and let it melt and run down inside. Trim off the protruding strands with wire cutters.
By Mailys Laurent. Electrical Wiring. Published at Tuesday, February 20th 2018, 00:32:52 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 Mailys Laurent. Car Wiring. Published at Monday, February 19th 2018, 21:49:38 PM. 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 Olivier Constance. Electrical Wiring. Published at Monday, February 19th 2018, 05:58:07 AM. You can also see that I’ve made it very easy for heat to move away from the regulator (U1) and into the ambient environment or into other portions of the PCB. U1’s thermal tab is connected to a large copper pour, and this copper pour is shot through with vias that conduct heat down to the internal ground plane. If I were really worried about thermal issues I could also connect these vias to a copper pour on the bottom side of the board, but in this case, it would have been total overkill.
By Olivier Constance. Electrical Wiring. Published at Monday, February 19th 2018, 03:41:02 AM. The fixture should support the board and prevent distortion as the board goes through the printing, component placement, and reflow processes. Its construction should ensure adequate protection for the bottom side components during the double-sided reflow process.
By France Barbara. Car Wiring. Published at Sunday, February 18th 2018, 17:58:15 PM. STARTER MOTOR — This is a powerful electric motor that engages the cars flywheel in order to spin the crankshaft. As in all electric motors, the starter is composed of windings of wire that form loops, ending at the commutator segments "remember these from the generator". The armature coils are mounted on the motors central shaftsupported with bearings and the field coils are formed into four or more "shoes", placed inside the steel frame of the starter.
By Claudine Nicolette. Electrical Wiring. Published at Saturday, February 17th 2018, 21:58:32 PM. The fixtures are usually available in a variety of designs, materials, sizes, and thicknesses. Some can carry more than one board hence allowing the processing of multiple PCBs simultaneously. Other designs have adjustments to support both the primary and secondary side processes.
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