Brake Rotors Thickness Variation
Brake Rotors Thickness Variation Automotive Brake Rotors Thickness Variation Surface Introduction: Understanding Brake Rotor Thickness and Its Variation Whether you're driving cross-country or across town, your vehicle’s brake system is constantly at work. Among its most critical components are the brake rotors, which endure extreme forces and temperatures. Over time, this stress can lead to rotor thickness variation (RTV) — a key contributor to braking issues like pedal pulsation, noise, and uneven wear. To ensure optimal safety and performance, manufacturers rigorously test for disc thickness variation, rotor warpage, and brake [...]
Non-Destructive Testing (NDT)
Non-Destructive Testing (NDT) Customer Case This customer manufactures non-destructive test equipment which allows customers such as steel mills to test the quality of their end-products. Presently, the ultrasound frequencies being used are centered at either 5 MHz, 10 MHz or 15 MHz. The worst case analog bandwidth requirement in this case is 35 MHz. In order to set up their equipment properly, the customer presently views the return signal (including the flaw) on an analog oscilloscope with a sweep time of either 50 us or 100 us (providing approximately 5 to 10 inches of depth in a metal). The [...]
Door Gap
Automotive Door Gap Tolerances Description
Acoustic Micro-Imaging
Acoustic Micro-Imaging Customer Case The customer is a leader in the field of acoustic micro-imaging. They use pulse ultrasound to image non-human materials. The ultrasound frequency used is between 100 and 200 MHz, as the materials they study can handle these frequencies (one cannot normally use such high frequencies with human tissue). The customer's PRF (Pulse Repeat Frequency) is approximately 4 KHz, with a PRI (Pulse Repeat Interval) of 250 ms. They need to capture approximately 2 ms (1,000 points) of data for each pulse. The customer wants scope emulation software to allow verification of board operation without having [...]
Torque Converter
Torque Converter Automotive Torque Converter Surface Description Since minute defects in the torque converter casing wall thickness can result in unacceptable and dangerous torque converter expansion, a precision measurement system was needed to measure the impeller hub displacement and thus the torque converter axial displacement. An AC dynamometer would be required to spin the torque converter at a high rate of speed while a fast response hydraulic system is needed to pressurize the converter to pressures up to 150 psi. MTI’s MicroTrak laser sensor was selected because it offered a [...]
Tire Tread Inspection With 1D Laser Sensor
Tire Tread Inspection With 1D Laser Sensor Automotive Tire Tread Inspection With 1D Laser Sensor Depth Description Tire manufacturers wants to satisfy their customers, and protect themselves from liabilities, manufacturers are moving to 100% tire inspection for defects and abnormalities. Defects not only cause potential safety issues but they can also introduce unwanted vibration into the vehicle suspension system. Belts can be overlapped, or not cover the complete tire surface, causing weak or bubbled areas and imbalances. The tread depth can be too shallow, leading to decreased service life. An [...]
Non-Destructive Testing (NDT) Scanning Inspection
Non-Destructive Testing (NDT) Scanning Inspection Customer Case The customer is testing interior of pipes with time-resolved fluorescence, a Photo Multiplier Tube (PMT), a transducer with 8 MHz BandWidth and an integration chamber. They are searching for rare events and the scan width is approximately 3.5 inches. Multiple Record: 350 scans x 3 Kpts. GaGe Case Solution We recommended 5X-10X over sampling - therefore CompuScope 14100, CompuScope 12100, or even the 8-bit CS8500 may be sufficient. For a CS8500 Single Record example, say, at the single-channel sampling-rate of 50 MS/s, a 3000 point (i.e. 3 KS) acquisition would take about [...]
Thermal Expansion On Automobile Engine
Thermal Expansion On Automobile Engine Automotive Thermal Expansion On Automobile Engine Dimensions Description For years the sole purpose of the oil pan was to act as a reservoir for the engine lubricant. Some modern engines now utilize the pan as a structural component. It is machined from a rigid steel or aluminum casting and designed to support the lower portion of the crankshaft bearings and rear main seal. This development has introduced a potential problem area that must be analyzed. As engines go through heating and cooling cycles it is [...]
Non-Destructive Testing (NDT) of Concrete Structures
Non-Destructive Testing (NDT) of Concrete Structures Customer Case Our customer needs to perform Non Destructive Testing (NDT) to test concrete. The testing method involves using a special hammer mounted with a geophone, which serves as a transducer. They strike the concrete structure with the hammer and record the results for analysis. A definitive echo in the signal will be appear should there be a crack or a weak point in the concrete. GaGe Case Solution The customer was looking for a low-cost board that would be able to sample at 20 MHz or more, so we recommended the CompuScope [...]
Non-Destructive Testing (NDT) for Steel Manufacturing
Non-Destructive Testing (NDT) for Steel Manufacturing Customer Case The customer is a custom-built contractor of Non-Destructive Test (NDT) instruments for steel manufacturing. NDT uses ultrasonic pulses to scan through thick sheets of metals for possible causes of early wear, such as cracks or impurities. The stimulus is a stream of ultrasonic pulses. The response is their reflection from various depths. The center frequencies used by this customer are in the range of 250 KHz to 2.25 MHz and pulses are about 10 microseconds. The pulse repeat frequency (PRF) is less than 1 KHz. The thickness of steel sheets is [...]