SJ6000 series laser interferometer
Laser interferometers use light waves as carriers. Their light wave wavelengths can be used to directly define meters and can be traced back to national standards. They are recognized as high-precision, high-sensitivity measuring instruments and are widely used in high-end manufacturing. The SJ6000 laser interferometer has the advantages of high measurement accuracy, large measurement range, fast measurement speed, and high resolution at the highest measurement speed. Combined with different optical lens groups, it can achieve high-precision measurement of linear length, angle, straightness, verticality, parallelism, flatness, and other geometric parameters. With the cooperation of the SJ6000 laser interferometer dynamic measurement software, dynamic measurement and performance testing of linearity, angle, and straightness can be realized, and displacement analysis, velocity analysis, acceleration analysis, and FFT analysis can be performed, such as dynamic characteristic analysis of screw rod guides, vibration analysis, and response characteristic analysis of drive systems.
Keywords:
Electronics and Electrical Engineering
Dimension measurement
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- Product Description
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- Commodity name: SJ6000 series laser interferometer
Laser interferometers use light waves as carriers. Their light wave wavelengths can be used to directly define meters and can be traced back to national standards. They are recognized as high-precision, high-sensitivity measuring instruments and are widely used in high-end manufacturing. The SJ6000 laser interferometer has the advantages of high measurement accuracy, large measurement range, fast measurement speed, and high resolution at the highest measurement speed. Combined with different optical lens groups, it can achieve high-precision measurement of linear length, angle, straightness, verticality, parallelism, flatness, and other geometric parameters. With the cooperation of the SJ6000 laser interferometer dynamic measurement software, dynamic measurement and performance testing of linearity, angle, and straightness can be realized, and displacement analysis, velocity analysis, acceleration analysis, and FFT analysis can be performed, such as dynamic characteristic analysis of screw rod guides, vibration analysis, and response characteristic analysis of drive systems.
Laser interferometers use light waves as carriers. Their light wave wavelengths can be directly used to define meters and can be traced back to national standards. They are currently recognized as high-precision, high-sensitivity measuring instruments, and are widely used in high-end manufacturing.
The SJ6000 laser interferometer has the advantages of high measurement accuracy, large measurement range, fast measurement speed, and high resolution at the highest measurement speed. Combined with different optical lens groups, it can achieve high-precision measurement of linear length, angle, straightness, verticality, parallelism, planarity, and other geometric parameters. With the SJ6000 laser interferometer dynamic measurement software, dynamic measurement and performance testing of linearity, angle, and straightness can be achieved, as well as displacement analysis, velocity analysis, acceleration analysis, and FFT analysis, such as dynamic characteristic analysis of ball screw guides, vibration analysis, and response characteristic analysis of drive systems.
Performance Characteristics
1. Easily achieve fast and high-precision measurement of motion guides, as well as reverse gap correction and pitch compensation;
2. Can achieve dynamic measurement and analysis of displacement, velocity, acceleration, and amplitude frequency;
3. Built-in common standards for domestic and foreign machine tools.Typical Applications
Linear measurement of CNC machine tools Positioning accuracy measurement of linear modules Laboratory use as a length standard 
Linear measurement of tilted axes of CNC machine tools Small angle measurement Angle measurement of direct drive motors 
Parallelism measurement of linear guides Equipment straightness measurement Planarity measurement of marble platforms 
Verticality measurement of three-coordinate measuring machines Verticality measurement of equipment guides Dual-axis measurement Software Interface
Dynamic Measurement Applications
Time-based dynamic measurement
Evaluation of machine motion control performance
* Motion controller PID control parameter testing and setting
* Stability testing and evaluation of the machine after high-speed movement
* Testing of small steps of high-performance motion controllersVibration Monitoring
* Scanning applications:
Used in situations where positioning accuracy is not important, but constant speed is crucial for achieving high-quality imaging
* Machine tool applications:
Typical applications include high-quality surface finishing requiring slow and smooth contour movement of the toolVibration Frequency Analysis
* Vibration frequency analysis of the object under test
* FFT (Fast Fourier Transform) analysisDistance-based dynamic measurement
For distance-based dynamic measurement, the SJ6000 laser interferometer system will perform "flying" measurement along the axis, that is, data acquisition is performed at user-specified intervals while the motion axis is continuously moving.
Pulse trigger acquisition is provided
The CT70 orthogonal trigger box can monitor signals from gratings, encoders, and controllers. In combination with the SJ6000 laser interferometer, it can achieve pulse trigger start acquisition and continuous pulse trigger acquisition. Suitable for situations where the motion axis is continuously moving, triggering the laser interferometer to acquire data at specified interval positions.
Technical Specifications
Instrument Model
SJ6000
SJ6800
Frequency Stability
0.05ppm
0.03ppm
Dynamic Acquisition Frequency
50 kHz
Warm-up Time
≤ 6 minutes
Air Temperature Sensor
±0.1℃ (0~40)℃, resolution 0.01℃
Material Temperature Sensor
±0.1℃ (0~55)℃, resolution 0.01℃
Air Humidity Sensor
±6%RH(0~95)%RH
±5%RH (0~95)%RH
Atmospheric Pressure Sensor
±0.1kPa(65~115)kPa
Measurement Distance
(0~80)m (no long-distance linear attachment required)
Measurement Accuracy
0.5ppm(0~40)℃
0.3ppm(10~30)℃
Measurement Resolution
1nm
Maximum Measurement Speed
4m/s
Portable Case Dimensions
613mm × 460mm × 230mm
Standard Configuration Weight
18kg
Power Supply
(100~240)VAC
Power Consumption
60W
Operating Temperature Range
(0~40)℃
Storage Temperature Range
(-20~70)℃
Ambient Humidity
(0~95)%RH
Laser Safety Class
Meets Class I requirements
Standard Configuration
1. SJ6000 Main Unit 1 set
2. Universal Tripod 1 pc
3. Laptop 1 pc
4. Environmental Compensation Unit 1 set
5. Standard Accessories 1 set
6. Linear Lens Group 1 set
7. Portable Rolling Suitcase 1 pc
8. Product Instruction Manual 1 set
9. Product Qualification Certificate, Warranty Card 1 set
Optional Configuration
1. Lightweight Linear Lens Group 1 set
2. Adjustable Turning Mirror 1 set
3. Three-Coordinate Probe Fixture 1 set
4. Angle Lens Group 1 set
5. Planarity Lens Group 1 set
6. Short Straightness Lens Group 1 set
7. Long Straightness Lens Group 1 set
8. Straightness Accessory 1 set
9. Verticality Lens Group 1 set
10. Automatic Precision Turntable 1 set
11. Orthogonal Trigger Box 1 set
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