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Mechanical - Metrology and Measurements - Laser Metrology

CNC-CMM: Construction and Features of CMM Software

   Posted On :  23.09.2016 08:33 pm
CNC-CMM: Construction and Features of CMM Software

The main features of CNC-CMM are shown in figure has stationary granite measuring table, Length measuring system. Air bearings; control unit and software are the important parts of CNC & CMM.

CNC-CMM 


Construction

 

The main features of CNC-CMM are shown in figure has stationary granite measuring table, Length measuring system. Air bearings; control unit and software are the important parts of CNC & CMM.

 


 

· Stationary granite measuring table

 

Granite table provides a stable reference plane for locating parts to be measured. It is provided with a grid of threaded holes defining clamping locations and facilitating part mounting. As the table has a high load carrying capacity and is accessible from three sides. It can be easily integrated into the material flow system of CIM.

 

·        Length measuring system

 

A 3- axis CMM is provided with digital incremental length measuring system for

 

each axis.

 

·        Air Bearing

 

The Bridge cross beam and spindle of the CMM are supported on air bearings.

 

·        Control unit

 

The  control  unit  allows  manual  measurement  and  programme.  It  is  a

 

microprocessor control.

 

·        Software

 

The CMM, the computer and the software represent one system; the efficiency

 

and cost effectiveness depend on the software.

 

 

Features of CMM Software

 

(i) Measurement of diameter, center distance, length.

 

(ii) Measurement of plane and spatial carvers.

 

(iii) Minimum CNC programme.

 

(iv)Data communications.

 

(v) Digital input and output command.

 

(vi)                           Programme   for   the   measurement   of   spur

 

(vii)Interface to CAD software.

 

 

 

A new software for reverse engineering complex shaped objects. The component is digitized using CNC CMM. The digitized data is converted into a computer model which is the true surface of the component. Recent advances include the automatic work part alignment and to orient the coordinate system. Savings in inspection time by using CMM is 5 to 10% compared to manual inspection method.

 

Tags : Mechanical - Metrology and Measurements - Laser Metrology
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