Mini Mill Dro Kit Metrology DRO Digital Readout Absolute Linear Scale

Easson have seriously invested in the development of absolute linear scales since 2010, after 2 years of hard works, Easson have launched the first three series of absolute linear scale at 2012. On 2014 Easson have completed the development of the absolute linear scales, offering comprehensive choices to our customers.

Advanced Optical Measuring System

The slide carrier of the VS / VA series scales, use a five bearing design and six spring for optical grating linear transducer, make sure the VA scales not effected by installation, the spring can adjust the angle when the operator install not good for the alignment.

The reader head still in the best way fir on the grating glass, the accuracy of VA scale is totally different with the GS or other brand in China mainland.

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.

Principal of Absolute Linear Scale

The grating scale of absolute linear scale consists of two grating masks, they are Absolute Grating Mask and Incremental Grating Mask respectively. Functions of this two masks are as per follows :

Absolute Grating Mask have different mask pattern over the whole grating glass, it gives low resolution but unique position readings over the whole measurement travel.

Incremental Grating Mask is an identical repeatable mask patterns over the whole grating glass, it gives very stable and high quality electronic signal for signal interpolation to achieve very high accuracy and resolution position readings.

Features and advantages:

1. High Accuracy

2. Convenient to use

Installation Dimensions

VA10 / VA11 / VA12 / VA13 Series

VA20 / VA21 / VA22 / VA23 Series

Connector interface

Gold-plated pins to avoid poor connection and Anti-corrosion, it has the small PCB inside the connector which allow the VA series Absolute Linear Scale built in the Laser compensation data and directly connect to our LCD DRO, ensure the high measuring accuracy.

DSUB 9PIN

100% Laser calibration

Each linear encoder are undergone rigorous calibrated by our in-house laser interferometer, and can provide accuracy test reports to ensure product quality and quality traceability.

Accuracy report in QR code

Each linear scale is printed with a QR code, which is convenient for users to view the accuracy report of the factory inspection.

Easson was established since 1995.It is a high-tech enterprise specializing in design and manufacturing of precision measuring equipment, obtained more than 20 national invention and utility model patents. Our product field in DRO systems, precision optical profile projectors, video measuring machine and etc..

Easson's factory building is specifically design and built for the manufacturing of precision measuring equipment, has four Laser interferometers for being the company's length measurement standard and R&D.

Easson is one of the few companies in the industry that has its own high-precision grating master which use own fully-developed grating master lithography equipment, produce the absolute linear encoder and high accuracy CNC linear encoder.

Our quality management system has been assessed and registered by National Quality Assurance Ltd.(NQA) against the provision of ISO 9001:2015.

Strong Technical Capabilities And Scientific Research Resources

Over the years, the company has established a very close and effective cooperative relationship with scientific research institutions such as Xi'an Jiaotong University and Jilin University, taking advantage of the abundant talents and theoretical advantages of university scientific research institutions, combined with the company's long-term accumulated technology and practical experience in this industry , so that we have created many products that are leading the domestic industry.

In addition, the company actively participates in the scientific research and industrialization projects issued by the state and Zhuhai City.

For example, in 2011, the company participated in the "High-end CNC Machine Tools and Basic Equipment" led by Xi'an Jiaotong University and issued by the Ministry of Industry and Information Technology of China "Science and Technology Major Project. And combined with Tianjin University, Hefei University of Technology, Chinese Academy of Metrology... and other units jointly developed.

The company's AS-40 series grating ruler is one of the results of this project, which is industrialized by our company. And our company's EC-2 Pseudo-random absolute coding is one of the project achievements jointly developed by our company and Jilin University.

Actively participate in industry standard setting

Easson Measurement Technology Ltd. is one of the core members of the Digital Display Sub-Standard Committee of the National Measuring Tool and Measuring Instrument Standardization Technical Committee of China.

For a long time, it has actively participated in the formulation of various standards in the industry, and introduced the most advanced international standards in the industry. standards, and work together with peers to promote the development of the industry.

The company participated in the drafting of many national and industry standards, such as industry standard JB/T 10080.1-2011 "Graster Digital Display Instrument", JB/T10080.2-2011 "Graster Linear Displacement Sensor", etc. JB/T 11505-2012 "Displacement Sensor" Encoder CPE-Bus bidirectional serial communication protocol specification".....