Archive for May, 2010
When it comes to large, high capital cost machines such as a soft coal excavator, it is more economical to repair any worn parts than to replace the worn components with brand new ones. A chain link on an excavator is a good example here. After approximately four years of harsh, continuous operation, these steel [...]
Displacement measurement in a hydraulic cylinder is a challenging task since a reasonable solution cannot often be easily found. For example, for truck-mounted cranes a load torque limiter is required in order to comply with health and safety regulations. Previously, the crane could only be operated when the hydraulic supports were fully extended. Today, a [...]
Every type of test rig today represents a complex interaction of mechatronic disciplines. These consist of the mechanical design and the complete software for the control of the test rig and measurement technology or sensors. The measurement technology itself always contributes significantly to the expertise of a test rig. In other words, the performance of [...]
Gear shafts with plug-in toothing, bevel gears with hypoid teeth and similar axial components can warp during manufacture. Therefore, an inspection/measurement of the run-out is necessary. The workpiece is adjusted if required. For this, the extent of the “ovality” and the direction in which it should be adjusted must be determined. Engineering company EHR has [...]
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Micro-Epsilon has developed a completely new manufacturing technology for eddy current sensors. Using “Embedded Coil Technology” (ECT), the sensor is housed in an inorganic carrier material, which provides temperature and shape stability. Conventionally wound sensor coils are replaced by ECT; the carrier material can even hold electronic components. The technology provides more freedom in the [...]
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