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agk
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re: Missing sensor hits global automakers, say IHS
agk   3/28/2011 3:20:21 PM
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Hitachi airflow sensors from japan is now in short suppy or not available so the vehicle manufactures globaly sorting to reduced production or halt the production. Now japanese manufactures needs to think and start their ancilary units in other countries for those products whih are marketed globally.

_hm
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re: Missing sensor hits global automakers, say IHS
_hm   3/28/2011 4:08:12 PM
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This is a unfortunate situation. However, automobile design can also be done with employing part with alternate vendor / alternate part number. This will help in situation like this.

Robotics Developer
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re: Missing sensor hits global automakers, say IHS
Robotics Developer   3/28/2011 5:58:17 PM
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The industry standard "Just in Time" supply chain does not work with major disruptions like the one in Japan. I am surprised by the lack of 2nd sourcing of the air sensors and wondering why auto manufacturers did not insist on physically separate and possibly completely independent second sources for all key components. This is a basic failure of risk management 101. One may argue that "who would have expected this?" but that is not a valid argument; earthquakes in Japan (and elsewhere) are not unusual nor unexpected. Yes the magnitude was significant but then again not a 1 in a million type of occurrence. We should learn from this experience and develop contingency plans for any major production area or specialized part supplier.

elPresidente
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re: Missing sensor hits global automakers, say IHS
elPresidente   3/28/2011 7:09:31 PM
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Wow - what a bunch of idiots for not thinking of that and shutting assembly lines down instead.

Dave.Dykstra
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re: Missing sensor hits global automakers, say IHS
Dave.Dykstra   3/29/2011 4:16:31 AM
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Yes, Just in Time has it's problems because it typically does not allow for catastrophes. Of course, second sourcing is pretty common but requires time to get parts in-house and, when an event such as those occur, second sources will often not have enough product available to meet the requirements.

lifewingmate
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re: Missing sensor hits global automakers, say IHS
lifewingmate   3/30/2011 6:01:09 AM
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It seems that these airflow sensors are particular to Japanese manufacturing. I remember reading in other EETimes articles about certain raw materials that are only available from Japan. I with agk that automobile manufacturers need to find another way to compensate. The closing of production lines for this one part can mean reduced jobs and many other consequences.

DrQuine
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re: Missing sensor hits global automakers, say IHS
DrQuine   3/30/2011 2:43:46 PM
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What role do air flow sensors play in consumer cars? In the event that I'm not the only uninformed reader, I did some quick research in Wikipedia (again) and learned: "A mass air flow sensor is used to find out the mass of air entering a fuel-injected internal combustion engine. The air mass information is necessary for the engine control unit (ECU) to balance and deliver the correct fuel mass to the engine. Air changes its density as it expands and contracts with temperature and pressure. In automotive applications, air density varies with the ambient temperature, altitude and use of forced induction and this is an ideal application for a mass sensor."

Sheetal.Pandey
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re: Missing sensor hits global automakers, say IHS
Sheetal.Pandey   3/31/2011 10:49:21 AM
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These natural calamities take the developments back in time. Japan was coming up as one th emost advanced countries, but I guess they will bounce back. How much of the production happening in this facility?

GREATTerry
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re: Missing sensor hits global automakers, say IHS
GREATTerry   3/31/2011 1:52:48 PM
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This impacts the whole world quite much. From a optimistic standpoint, this may help to slow down the pollution a bit by reducing the growth of car owners.

SimulinkJocky
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re: Missing sensor hits global automakers, say IHS
SimulinkJocky   4/1/2011 8:45:15 PM
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Unless an alternate source can be found, or production can be restarted, this could be the start of another recession. With auto production shutting down because of this, lots of workers will be put out of work, at least temporarily. This doesn't sound good at all.

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