By Fleurette Nina. Car Wiring. Publised at Thursday, December 28th 2017, 11:30:31 AM. Spade terminal The spade terminal is theusual way of fixing wires to components. Crimp or bullet connector The crimpconnector is used for joining single wires toeach other. It may be a single or doubleconnector, or a multi- connector carryingseveral wires.
By Fleurette Nina. Motor Wiring. Published at Monday, February 26th 2018, 21:32:42 PM. The circular arrangement of electromagnets is divided into groups, each group called a phase, and there is an equal number of electromagnets per group. The number of groups is chosen by the designer of the stepper motor. The electromagnets of each group are interleaved with the electromagnets of other groups to form a uniform pattern of arrangement. For example, if the stepper motor has two groups identified as A or B, and ten electromagnets in total, then the grouping pattern would be ABABABABAB.
By Cyrille Lothaire. Car Wiring. Published at Sunday, February 25th 2018, 04:10:29 AM. To fit a spade terminal, slip the insulating cover over the wire and push it up the wire, out of the way. Use a wire stripper to remove about 1/8in. (3 mm) of insulation from the end of the wire. Lay the bare strands in the inner section of the connector. Use crimping pliers to tighten the two small tongues firmly around the insulated part of the wire. On the other side of the connector, push the wire strands back and down flat. Hold the connector blade upwards to avoid solder running into the spade part.
By Olivier Constance. Car Wiring. Published at Thursday, February 22nd 2018, 19:38:58 PM. Both coils draw the plunger inward, causing it to pull the shift lever and engage the pinion gear. When the plunger is pulled into the coil all the way, the pinion fully engages the ring gear. When the ring gear is fully engaged, engine cranking begins. When the engine starts the hold-in coil will cut out and the plunger will move out, retracting the pinion and opening the starter switch.
By Cyrille Lothaire. Electrical Wiring. Published at Thursday, February 22nd 2018, 03:34:10 AM. The tab-route or breakaway tab method is suitable for PCBs with either similar or different designs, or where it is not possible or practical to use the V-grooves. The designer leaves a perforated tabs routing space between the different or similar boards, hence allowing for separation after processing.
By Fleurette Nina. Car Wiring. Published at Thursday, February 22nd 2018, 02:59:45 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 Fleurette Nina. Motor Wiring. Published at Thursday, February 22nd 2018, 01:17:06 AM. A micro controller or stepper motor controller can be used to activate the drive transistors in the right order, and this ease of operation makes unipolar motors popular with hobbyists; they are probably the cheapest way to get precise angular movements. For the experimenter, the windings can be identified by touching the terminal wires together in PM motors. If the terminals of a coil are connected, the shaft becomes harder to turn.
By Claudine Nicolette. Electrical Wiring. Published at Wednesday, February 21st 2018, 18:29:47 PM. 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.
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