Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.
COORDINATING
MEASURING MACHINE
PRESENTATION ON
PRESENTED BY:
NIKHIL BHAGAT
(13MT07IND006)
INTRODUCTION
• Ogden developed an inspection machine in
1956,which is considered to be the first coordinate
measuring mach...
COMPONENTS OF CMM
To accomplish measurements in 3-D, a basic CMM
is composed of the following components:
 Probe head and...
COMPONENT OF CMM(CONT..)
PROBE:
 The contact probe is a key component
of a CMM.lt indicates when contact
has been made wi...
TYPES OF CMM
Ass per the mechanical structure the CMM are
classified into
six types , which are as follows:
 CANTILEVER
...
MECHANICAL STRUCTURES OF
CMM
CMM WORKING
 After placing a workpiece on the
machine table, a probe is used
to measure different points on it
by mapping...
CMM CONTROLLING
The methods of operating and controlling a
CMM can be classified into four main
categories:
Manual drive
...
ADVANTAGES OF CMM
 Dimensional measurement
 Profile measurement
 Angularity or orientation
 Depth mapping
 Digitizing...
THANK
YOU
Upcoming SlideShare
Loading in …5
×

nikhil bhagat cmm presentation

0 views

Published on

A

Published in: Engineering
  • Be the first to comment

nikhil bhagat cmm presentation

  1. 1. COORDINATING MEASURING MACHINE PRESENTATION ON PRESENTED BY: NIKHIL BHAGAT (13MT07IND006)
  2. 2. INTRODUCTION • Ogden developed an inspection machine in 1956,which is considered to be the first coordinate measuring machine (CMM). • A Coordinating measuring machine is an electromechanical system design to perform coordinate metrology. • CMMs are also considered as transducers that can convert physical measurements into electrical signals. • They are versatile in their capability to record measurement of complex profiles with high sensitivity (0.0025 mm) and speed.
  3. 3. COMPONENTS OF CMM To accomplish measurements in 3-D, a basic CMM is composed of the following components:  Probe head and probe to contact the workpart surfaces  Mechanical structure that provides motion of the probe in three Cartesian axes and displacement transducers to measure the coordinate values of each axis In addition, many CMMs have the following components:  Drive system and control unit to move each of the three axes
  4. 4. COMPONENT OF CMM(CONT..) PROBE:  The contact probe is a key component of a CMM.lt indicates when contact has been made with the part surface during measurement.  The tip of the probe is usually a ruby ball. Ruby is a form of corundum (aluminum oxide), whose desirable properties in this application include high hardness for wear resistance and low density for minimum inertia.  Most probes today are touch-trigger probes which actuate when the probe makes contact with the part surface.
  5. 5. TYPES OF CMM Ass per the mechanical structure the CMM are classified into six types , which are as follows:  CANTILEVER  MOVING BRIDGE  FIXED BRIDGE  HORIZONTAL ARM  GANTRY  COLUMN
  6. 6. MECHANICAL STRUCTURES OF CMM
  7. 7. CMM WORKING  After placing a workpiece on the machine table, a probe is used to measure different points on it by mapping the x, y, z coordinates.  The probe operates either manually via an operator or automatically via a control system.  These points are then uploaded to a computer interface where they can be analyzed using modeling software (e.g. CAD) and regression algorithms for further development.
  8. 8. CMM CONTROLLING The methods of operating and controlling a CMM can be classified into four main categories: Manual drive Manual drive with computer-assisted data processing Motor drive with computer-assisted data processing DCC with computer-assisted data processing.
  9. 9. ADVANTAGES OF CMM  Dimensional measurement  Profile measurement  Angularity or orientation  Depth mapping  Digitizing or imaging  Shaft measurement
  10. 10. THANK YOU

×