No-drift absolute gaging package couples gage, metrology readouts

Heidenhain couples Acanto Absolute Length Gage and ND 2100G Gage-Chek metrology readouts to form a no-drift absolute gaging package.


Heidenhain Corporation coupled the Acanto Absolute Length Gage with ND 2100G Gage-Chek metrology readouts. The Heidenhain Acanto Absolute Length Gage with EnDat 2.2 provides the benefits of an optical encoder and solves many of the problems of different length gages, the company said. The Acanto’s measuring principle is the measurement standard and does not drift over time nor does it require mastering. “Sweet spots” are nonexistent with the Acanto as 2 µm of accuracy are held throughout the entire measuring length. The absolute technology, using EnDat 2.2, enables the Acanto to know its position upon power up with no need to reference. The Acanto comes in spring operated and pneumatically operated models and is offered in 12 mm and 30 mm measuring lengths.

Heidenhain ND 2100G Gage-Chek will handle gaging and inspection tasks with ease, from simple pass/fail detection up to complex logic statements communicating to a PLC. They can be configured for basic or advanced operations where inputs can be assigned and combined as desired, along with mathematical, trigonometric or statistical formulas. This makes it possible to measure even complex dimensions such as thickness, flatness, volume and more. Rapid acquisition of measurement data can monitor dynamic events such as the eccentricity of a rotating shaft.

The product now has a color LED lit display which will display results numerically or graphically as a bar graph or dial indicator. The ND 2100G Gage-Chek can manage up to 100 parts, each with up to 16 visible measurement features and 16 hidden ones and can save thousands of data entry points for internal statistical process control (SPC) or export. User customization is easy with programmable soft and hot keys. Min/Max functions monitor and store data, and warning and tolerance limits can be set to each display value.

A plug-and-play routine allows for effortless interfacing of the Acanto and ND 2100G Gage-Chek. The ND 2100G Gage-Chek can interface with 1 to 8 Acanto Gages and will be an effective solution for many gaging applications. The ND 2100G Gage-Chek will also accept any EnDat 2.2 encoders from Heidenhain including linear, rotary, and angle.

Heidenhain Corporation

- Edited by Gust Gianos, Control Engineering,

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