By Dorian Yannic. Car Wiring. Publised at Friday, June 16th 2017, 20:36:21 PM. Wires are usually connected to components by plastic-covered terminals which push on to a blade on the unit called a spade terminal. Nearly all types of terminals should be fitted to the wire with crimping pliers. There are a few types such as the "Scotchlok" which are secured by clips. For additional security, you can add solder to the wire.
By Claudine Nicolette. Electrical Wiring. Published at Thursday, November 30th 2017, 15:12:14 PM. SMT fixtures are rigid PCB carriers that allow manufacturers to load single or multiple irregular boards, and then take them through the standard processing machines. This makes it possible to carry out tasks such as automatic mounting of electronic components, infra-red reflow soldering, wave soldering, automatic testing, etc.
By France Barbara. Motor Wiring. Published at Wednesday, November 29th 2017, 13:27:40 PM. An additional limitation, often comparable to the effects of inductance, is the back-EMF of the motor. As the motor rotor turns, a sinusoidal voltage is generated proportional to the speed (step rate). This AC voltage is subtracted from the voltage waveform available to induce a change in the current.
By Mailys Laurent. Electrical Wiring. Published at Tuesday, November 28th 2017, 06:55:28 AM. Sensirion provides detailed information on both the package outline and the land pattern. In fact, it is recommended, because the IC pad pitch is just 0.5 mm, that only one solder mask opening should be used for all four pads on one side. It is also suggested, when using solder paste printing, that a laser-cut stainless steel stencil with trapezoidal walls and with a stencil thickness of 0.1 or 0.125 mm should be used. See the images below. This information should be quite helpful for a PCB layout design team.
By Olivier Constance. Car Wiring. Published at Monday, November 27th 2017, 06:22:09 AM. Joins in individual wires are usually made with crimp connectors. The colour on the sleeve of a connector denotes the size of wire it will take. The bared ends of each wire are pushed into opposite ends of the metal-lined plastic sleeve, and squeezed with crimping pliers. There are multiple sleeves or other special connectors where a wire branches off.
By Cyrille Lothaire. Motor Wiring. Published at Thursday, November 23rd 2017, 17:35:26 PM. A unipolar stepper motor has one winding with center tap per phase. Each section of windings is switched on for each direction of magnetic field. Since in this arrangement a magnetic pole can be reversed without switching the direction of current, the commutation circuit can be made very simple (e.g., a single transistor) for each winding. Typically, given a phase, the center tap of each winding is made common: giving three leads per phase and six leads for a typical two phase motor. Often, these two phase commons are internally joined, so the motor has only five leads.
By Dorian Yannic. Electrical Wiring. Published at Wednesday, November 22nd 2017, 13:04:57 PM. 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 Adrienne Emmanuel. Car Wiring. Published at Friday, November 17th 2017, 02:23:17 AM. STARTER SOLENOID "Relay" — All cars are wired so that the batterys main cable connects to the starter motor windings "the thick cable is needed for large current flow, right?". This wire must be switched on and off, of course, and it would be costly and inefficient to route it through the ignition switch "not to mention the size of the switchs components required to carry such current!". Consequently, a relay is necessary.
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