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Wheel Center Bore ID Measuring Gauge

The laser measuring machine is intended for non-contact scanning and inner surface geometry measurement of wheel center bore. The gauge is used on alloy wheel production line as quality control tool.
As a result of measurements the following geometric parameters are obtained:

  • • inner diameter,
  • • surface profile,
  • • roundness.

The device can be adapted for any similar hole (bore) measurement and control task.

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Specifications

Wheel Center Bore Inner Diameter Measuring Gauge

Name of parameter Value
Measurement range, mm 50...70
Space resolution (points/turnover) 3200
Measurement accuracy, um ±5
Depth of measurement, mm 200
Measurement cycle, no more, s 20
Light source red semiconductor laser, 660 nm wavelength
Output power, mW <1
Laser safety Class 2  (IEC60825-1)
Output interface RS232 (max. 460,8 kbit/s) or RS485 (max. 460,8 kbit/s)
Power supply, V 9 …24
Power consumption, W 3 (standby mode), 20 (scan mode)
Environment resistance:
  Enclosure rating IP67
Vibration 20g/10…1000Hz, 6 hours, for each of XYZ axes
Shock 30 g / 6 ms
Operation temperature, °С -10…+60 (-30…+60 for the sensors with in-built heater)
Permissible ambient light, lx 30000
Relative humidity 5-95% (no condensation)
Storage temperature, °С -20…+70
Housing material aluminum
Weight (without cable), gram 4000 gram
2000 gram

 

Operation

Operation of the system is based on the item surface scanning by rotating laser triangulation sensors.

To get required accuracy for the whole measurement range the measuring gauge contains two laser sensors inside one measuring head. The measuring head is mounted on rotational module. The system also contains a calibration ring placed with the possibility of linear translation along the measuring head.

In the initial state, the calibration ring is located at the level of the laser sensors measuring line. Radiation of a semiconductor laser from the sensors is focused onto an ring surface. Radiation reflected by the surface is collected by input lens of the sensors.

Measuring head is rotated and laser sensors scan the inner surface of a ring. The system transmits polar coordinates of the surface (distance from the rotation axis measured by the sensors and a corresponding angle of rotation) to the PC for calculating the required geometric parameters for system calibration.

For the rim center bore diameter measurement, the head is inserted into the hole at a given depth. Simultaneously, calibration ring is removed from measuring line by rim outer surface. Measuring head is rotated and PC receives inner surface coordinates for ID calculation.

Structure of Wheel Center Bore ID Measurement Machine

Order info

Order information for Wheel Center Bore Inner Diameter Measurement System

RF096-Dmin/Dmax-L-Clb


Symbol Description
Dmin Minimum measurement diameter, mm
Dmax Maximum measurement diameter, mm
L Depth of measurement, mm
Clb Autocalibration option

Example: RF096-50/70-200-Clb – Hole Inner Diameter Measurement System RF096, measurement range - 50...70 mm, depth of measurement - 200 mm, Autocalibration option.

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Logoisky tract, 22, Minsk, Republic of Belarus

Tel/fax:  +375 (17) 281-35-13
              +375 (17) 281-36- 57

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E-mail: info@riftek.com

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