Railway industry
Automatic complex for measuring geometric dimensions of railway KS-528
The automatic measuring complex developed by Amest is used to make a complete check on wheels manufactured in non-stop three-shift serial production.
The station is easy to set for all types and dimensions of wheels manufactured in the client’s factory, i.e. from small tram wheels to huge locomotive wheels. To ensure reliability of optical components the entire station is situated in a lockable compartment with opaque sliding walls and an inner roller-blind to keep it sheltered and protected against light.
The output of the station – checking 60 wheels an hour, including assessment and statistical processing of the results – can match the tempo of the client’s production line by a sufficient margin.
Parameters of automatic complex | |
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Wheel geometry measuring cycle | cca 30 s |
Scan speed | 2 faces/s |
Number of faces per wheel turn | 60 |
Parameters of wheels measured | |
wheel diameter | up 1400 mm |
wheel rim width | up 170 mm |
wheel weight | up 1100 kg |
Visual, dimensional and geometric checking device measurement of forged pieces of rail axles KS-539
This device is used to carry out visual, dimensional and geometric checks on forged pieces of rail axles. The measuring principle is based on assessing the profile of the forging; this profile is acquired from laser micrometer data (diameter) and a linear ruler (linear measure) as the measuring arm passes along the forged piece. The data from the laser and linear ruler is synchronised, giving the dependence of the diameter on the longitudinal axis of the forging.
Scope of axle forgings measured | |
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Diameter | 120 mm up 215 mm |
Lenght | 2100 mm up 3000 mm |
Weight | max. 1000 kg |
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MEASURING OF RAILWAY AXLES - MEASURING STATIONS FOR GEOMETRY CONTROL OF FINAL RAILWAY AXLES KS-551
This equipment is based on the principle of contact measurement, and is set up with four rests, lying next to each other on a linear guidance system. Each rest has its own longitudinal metering and an independent servodrive, which means that it can move longitudinally, and measure at a random crosscut. The outer rests secure measuring of the diameter for both the bearing and the peg. The inner rests secure measuring of the large diameter for pressing on the wheels and other optional diameters of the central part of the axle. Each rest contains a cross non-hysteresis guide, and a linear ruler; two inductive heads opposite each other; and another servodrive, which secures the measuring head feed to the surface of the axle. Measuring the dimensions and shape deviation in both cross and longitudinal directions is secured by the contact of measuring heads. Using a crane, a worker loads the axle into loading prisms, which safely slide into the measuring position. The axle is rotated by two centring pins, one of which is powered by the servodrive .
The final cross dimension is represented by the total of linear ruler figures, and deviations of the inductive heads. Since the equipment has four rests, which simultaneously measure the basic and dependent mean values, it is possible to use the ‘floating base’ method.
Measured parameters are shown on the measuring system monitor, offering the possibility of storing, and printing of the record of measured and statistically evaluated figures.
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KS - 338 TRANSVERSAL ULTRASOUND OF RAILWAY
KS-377 ULTRASOUND MEASUREMENT OF RAILWAY WHEELS
- the end face measurement (1x contact ultrasound probe)
- the wheel running profile measurement (1x contact and 1x contactless ultrasound probe)
- evaluation electronics
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CZ - 252 42 Jesenice
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