2D Optical Micrometers

2D Optical Micrometers
 

 

 

2D Optical micrometers are designed for non-contact inline two-dimensional batch measurements of linear dimensions, diameters, angles, thread parameters, part shapes, run-out, etc.

Optical micrometers use a “shadow” measurement principle whereby collimated laser light is transmitted towards a receiver.

The edges of the shadow cast by an object in the beam’s path are accurately measured by the detector array inside the receiver unit.

RF656.2D Series

Measurement ranges, mm ..........8х10, 25х30, 30х40, 40х50

Accuracy, um ...............................±1.5 ...±4.5

Rate, measurement/s ..................130

 

Technical characteristics of optical sensors depending on their model:

RF656.2D -8x10 -25x30 -30x40 -40x50
Measuring range, mm 8x10 25x30 30x40 40x50
Measurement error, µm ±1.5 ±2.5 ±3 ±4.5
Distance along the axis at which
the measurement error is applied, mm		 ±1 ±3 ±3 ±4
Minimum object size, mm 0.07 0.2 0.25 0.35
Speed, measurements/s up to 130
Overall dimensions, figure 1 2 3 4
Weight, not more, kg 1.1 2.3 2.8 5.6

 

General technical characteristics of RF656.2D optical sensors:

Interface
Basic interface Ethernet / 1000 Mbps
Synchronization inputs 1 channel
Logic outputs 2 channels (1 channel is used as a strobe of active exposure)
Power supply, V 12...24
Power consumption, not more, W 6
Environmental resistance
Environmental resistance IP62
Vibration 20 g / 10…1000 Hz, 6 hours for each of XYZ axes
Shock 30 g / 6 ms
Operating ambient temperature, °С -10…+50
Storage temperature, °С -20…+80
Relative humidity, % 20-80 (no condensation)
Housing/windows material aluminum/glass

 

Technical characteristics of RF656.2D-SuM controllers:

Controller version HW1 HW2
Speed, measurements/s 30 50
Interface
Ethernet 3 x GbE, RJ-45 connectors
COM port 4 x RS-232/422/485, DB-9 connectors.
Changing the interface type can be done in the BIOS.
2 x RS-232, RJ-45 connectors
USB 4 x USB 3.2 Gen 2 (10 Gb/s)
2 x USB 2.0		 6 x USB 3.2 Gen 2 (10 Gb/s)
Display 1 x HDMI
1 x DisplayPort
Power
Power supply, V 12..24
Power consumption, not more, W 60
Standard AT/ATX, switchable
Environmental resistance
Operating ambient temperature, °С -20…+60
Storage temperature, °С -40…+85
Permissible relative humidity during use, % 10-95 (no condensation)
Permissible relative humidity during storage, % при хранении, % 10-95 (no condensation)
Shock 5G/11ms half-sine shock, 100 shocks for each of XYZ
axes, IEC68-2-27
Vibration MIL-STD-810G 514.6C-1 (SSD)
Weight, kg 2.9
Overall dimensions, mm 81 x 150 x 190

 

RF656.2D-8x10

Figure 1. RF656.2D-8x10

RF656.2D-25x30

Figure 2. RF656.2D-25x30

RF656.2D-30x40

Figure 3. RF656.2D-30x40

RF656.2D-40x50

Figure 4. RF656.2D-40x50

Structure and operating principle

The operation of the micrometer is based on the so-called "shadow" principle. The main components of the 2D micrometer are an optical sensor and a controller.

2D Optical Micrometers

The optical sensor of the micrometer consists of two parts - the emitter and the receiver. The light from the LED is collimated by the lens. When a product is placed in the region of a collimated beam, its shadow image is projected by the receiver lens onto the 2D CMOS sensor. According to the location of the shadow border of the image (object profile), the controller calculates the required parameters of the object.

2D Optical Micrometers

Measurements and tolerance control are made according to the algorithm created by the user. To build the measurement algorithm, a simple and visual tool is proposed - the measurement scheme. The scheme is formed from a library of ready-made blocks. Various combinations of blocks and connections between them allow the user to create an almost unlimited number of measuring functions and measure products of varying complexity. Measurement results can be transmitted via various protocols (Ethernet/IP, Modbus TCP, UDP), as well as to the logical outputs of the micrometer for controlling actuators and signaling the suitability of the product.

 

 

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