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BAQ kaloMAX

Manual

7 Examples of measurements

Coating:

TiN

Revolutions per minute: 600 1/min

Grinding period:

25 s

Ball diameter:

30 mm

Layer thickness:

2.5 µm

Coating:

TiCN

Revolutions per minute:

600 1/min

Grinding period:

25 s

Ball diameter:

30 mm

Layer thickness:

2.9 µm

Page 11

 

 

Summary of Contents for kaloMAX

Page 1: ...kaloMAX Manual Version 1 01 ...

Page 2: ...easurement 8 6 Analysis of the spherical cap 9 6 1 Plane samples 9 6 2 Cylindrical samples 10 7 Examples of measurements 12 8 Maintenance of the unit 13 8 1 Cleaning 13 8 2 Replacement of the driving belt 13 8 3 Fuses 13 8 4 Replacement of the driveshaft 13 8 5 Replacement parts 13 9 Technical data 14 ...

Page 3: ...n layer and base material These diameters can be measured with a microscope The diameter of the grinding ball which goes into the calculation is known This purely geometrical method for determination of layer thickness can be extended to layer systems Because most layers are in the range of µm the spherical caps are very small To obtain clearly visible limits great importance was attached to the g...

Page 4: ...atter the spherical cap I e with greater balls the diameters differ more and that results in a greater accuracy of measurements On the other hand more material has to be ground away to obtain the same depth of the cap so the time cost is greater with greater balls Usually a ball diameter of 20 to 25 mm is a good compromise The grit size of the diamond grinding paste must be chosen according to the...

Page 5: ... To move the unit the fixing screws at the back side have to be loosened LED readouts The LED readouts show the actual values for the number of revolutions rpm the grinding period and the selected program After power up the last parameters are active When the motor is started the remaining grinding time will be displayed continually Buttons The START button starts the grinding procedure using the ...

Page 6: ...aterial is visible If the grinding process shall be continued the vice can be replaced to the compound table The precision guides assure that the grinding process is continued at the former position It is important not to cant the specimen holder when removing or attaching it Therefore the specimen holder should be held at the outer sides on the same level as the guides see figure below Page 6 ...

Page 7: ...ram number the desired program can be selected The parameter for revolutions and grinding period according to the selected program will be displayed immediately Building a new program Adjust the number of revolutions and the grinding period Press the ENTER button Select the desired program number The decimal point behind the number shows that the programming is not yet completed All buttons but th...

Page 8: ...sample carefully into the sample holder Adjust the sample and place the clean ball Then put a small amount of the grinding paste on the top of the ball See that the paste does not slide down to the traction rings on the driveshaft Select the desired program or set the measuring parameter Start the grinding procedure The grinding period will be counted down to zero Neither the ball nor the drivesha...

Page 9: ...es Legend h desired layer thickness R radius of the ball T total penetration depth of the ball t depth of penetration in the base material D diameter of the spherical cap at the surface of the sample d diameter of the boundary between coating and base material Page 9 ...

Page 10: ...ess measurement by means of spherical cap grinding depends on the accurate measurement of the two diameter D and d because the error of R is less then 1 Furthermore the meticulous measurement of the two diameters is important because the square of these items is used in the calculation In general the spherical cap should not be ground too deep into the base material in order to achieve high accura...

Page 11: ...asurements Coating TiN Revolutions per minute 600 1 min Grinding period 25 s Ball diameter 30 mm Layer thickness 2 5 µm Coating TiCN Revolutions per minute 600 1 min Grinding period 25 s Ball diameter 30 mm Layer thickness 2 9 µm Page 11 ...

Page 12: ...e shaft A The belt is guided over the inner side of the tension pulley C Attach the cover to the left bearing 8 3 Fuses Two 1 A delay action fuses are placed in the power supply unit double pole fuse protection 8 4 Replacement of the driveshaft If the traction rings on the driveshaft are damaged it is best to replace the whole shaft because the tractions rings can only be trimmed for exact running...

Page 13: ... Ø 3 30 mm Clamping jaws for other dimensions available on request Compound table travel 25 x 25 mm Ball diameter 15 30 mm Incline of sample level 60 degree Number of revolutions of the driving shaft 100 200 300 400 500 600 700 800 900 1000 Grinding period 5 10 15 20 25 30 35 40 45 50 55 60 70 80 90 100 110 120 150 180 s Dimensions 300 x 295 x 235 mm B x T x H Page 13 ...

Page 14: ...BAQ GmbH Automatisierung und Qualitätssicherung Hermann Schlichting Str 14 D 38110 Braunschweig Phone 49 5307 95102 0 Fax 49 5307 95102 20 www baq de ...

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