Built in Compensation Data Absolute Glass Scale For High Precision Grinding Machine
Product Specification
| | VA10 | VA11 | VA12 | VA13 | VA20 | VA21 | VA22 | VA23 |
| Measuring Standard | Glass Scale - Grating period: 20μm (0.02mm) |
| Optical Detecting System | Transmissive Infrared System: wave length 880mm |
| Slide Carrier System | Vertical five bearings supporting system |
| Resolution | 5μm | 1μm | 5μm | 1μm | 5μm | 1μm | 5μm | 1μm |
| Measurement Travel | 50-1200mm | Every 50mm per length Specification | Not available |
| 1300-3000mm | Not available | Every 100mm per length Specification |
| Accuracy | 50-450mm | ±3μm - ±5μm | -- |
| 500-800mm | ±10μm | ±5μm | ±10μm | ±5μm | -- |
| 1050-2000mm | ±10μm | ±5μm | ±10μm | ±5μm | -- |
| 1300-3000mm | -- | ±10μm/m |
| Repeatability | 2μm (0.002mm) |
| Hystersis | 3μm (0.003mm) |
| Protection | IP 53 |
| Power supply | DC 5V ± 5% |
| Output Signal | TTL | TTL | 422 | 422 | TTL | TTL | 422 | 422 |
Installation Dimensions
VA10 / VA11 / VA12 / VA13 Series
DSUB 9PIN
| PIN | TTL |
| Signal | Cable |
| 1 | —— | —— |
| 2 | 0V | Orange |
| 3 | —— | —— |
| 4 | GND | GND |
| 5 | —— | —— |
| 6 | A | Yellow |
| 7 | 5V | Red |
| 8 | B | Green |
| 9 | R | Brown |
Product Description
Advanced Optical Measuring System
VA scale has a small PCB inside the 9 PIN connector, the laser compensation data is store inside, with our LCD Digital display unit, the compensation data will directly load the ECF file (compensation file) into the DRO, accuracy up to ±2μm.
Features:
1. The slide carrier of the scales, using 5 bearing design and 6 spring for optical grating linear encoder sensor
2. VS/VA 20 series can connect a positive press system to reach waterproof IP65.
3. Moving speed can more than 120m/min.
Aging Test
Aging test exposes defects in the process, design, materials and other aspects of electronic devices before they leave the factory. Hence, it is of great significance for companies to modify product designs in time in order to the products can be sold after they are aging and stable, thereby improving product quality and market reputation.
100% Laser calibration
All Easson glass grating transducers are individually inspected and calibrated by our in-house laser interferometer to ensure measuring accuracy comply 100% with the specifications.
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