Alignment is most important factor when we are doing inspection of any part on the CMM. To understand the alignment first we need to understand few terminologies of Coordinate Systems. There are two types of coordinate system in measurement process generally we used. 1. PCS ? Part Coordinate System 2. …
First article inspection is very important part of the manufacturing process. CMM is the widely used Inspection machine for first article inspection because of programming of one part and rest of the part can be measured without adding human and measurement errors. Secondly it is relatively fast and accurate. With …
Buying a CMM is big decision for any company because of it financial investment and its use. It is must before buying any CMM user should be sure about it purpose and its results. These days there are so many brands in the market about the CMM with different technology …
Meaning of Six degrees of freedom (6DoF) is how a body can moves in three dimensional free space. Any thing around us is free to move forward/backward, up/down,left/right. This means a body can translate in three perpendicular axes. In fig 1 it shows that forward/backward, up/down, left/right motion can be …
Metrology is a science with deals with Measurement; this field is nothing to do with weather or atmospheric temperature. We never recognize how much important it is in our daily life. If we look around our life we will see there are so many metrological device we have like watch, …
There are many advantage of CMM. It can do very precise and accurate measurement. There are few advantage given below: Less Setup Time If we are doing inspection on surface plate then it is very time consuming activity. Where CMM can align a part in three axes in one go. …
Machine Control and Computer Hardware This unit is use to control movement to machine manually and with self learning program it can be programmed as a CNC machine. These controllers are microprocessor based. This machine can be controlled with joysticks. This joy stik function is to provide manual function to …
Probing System This part of the CMM touch the part and sense touched point coordinate which required for calculation of the dimensional geometries. There are different type and shape of probes are available and can be used depending upon the application. Originally probes were solid and hard but now day?s …
Types of Coordinate measurement machine Fixed Coordinate measurement machine Portable coordinate measurement machine Fixed Coordinate measurement machine Important features of the CMMs are To provide maximum rigidity to machines without excessive weight, all the moving parts, bed, Z-axis carriage, and Z-column are made of hollow box construction. ?To compensate systematic …
INTRODUCTION A?coordinate measuring machine?is a machine for measuring the geometrical dimension of an object. These machines are following types Manual machine (controlled by an operator) CNC machine (controlled by computer) This machine is having three moving axis (X, Y, Z). in this machine measurement has been taken by a probe …
