Quaker Chemical Presentation

7/28/2019 Quaker Chemical Presentation

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Comparative Analysis of Ductile Metals vs Compacted Graphite Iron Under Machining Conditions: Final Report

Quaker Chemical, Group 1

-Talal Al-Quassar

-Bethany Ford

-Robert Conrad

-Philip Jaunzemis

-Patrick Reilly

4/16/2013


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Background

The objective of this project is to test the machinabilityof Compacted Graphite Iron (CGI) and two ductilemetals (80-55-06 and 65-45-12) with the use of three

coolants: Quakercool 3750, Quakercool 7020-CG, andQuakercool 7020-CG-2.5

The cutting tools (Kennametal CNMA KCK05) were usedas the test for machinability

Tool wear was measured after a certain number of cutsto examine how well the coolants were working


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Cutting Parameters Ductile 1300 Surface Feet Per Minute

Right Hand Turning Tool

Varying Level Cuts 5 Levels (separated by 2 inches) 1.6 inches in depth per level.


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Ductile 80-55-06 7020 Coolant

5 th Level

50 completed Passes0.714 mm Tool Wear

1st Level



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Ductile 80-55-06 7020 2.5 Coolant

5 th Level


1st Level



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5 th Level50 completed Passes0.823 mm Tool Wear

1st Level10 completed Passes0.297 mm Tool Wear


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2nd Level20 completed Passes0.293 mm Tool Wear


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Ductile 65-45-12 7020 2.5 Coolant




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Cutting Parameters CGI 1300 Surface Feet Per Minute

Right Hand Turning Tool

Scale removal process: Machines off up to 7 inches of the surface. Machines down to 5.645 inches in diameter.

Varying Level Cuts 9 Levels (separated by 0.5 inches) 0.08 inches in depth per level.


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CGI 7020 Coolant

9 th Level


4th Level20 completed Passes0.324 mm Tool Wear


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CGI 7020 2.5 Coolant

9 th Level


4th Level



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CGI 3750 Coolant

9 th Level


4th Level



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Microstructure

CGI Bulk Material at 20x 65-45-12 Bulk Material at 20x

80-55-06 Bulk material at 20x


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CGI

CGI 7020 Coolant at 20x CGI 7020-2.5 Coolant at 20x

CGI 3750 Coolant at 20x


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80-55-06

7020 Coolant at 50x 3750 Coolant at 50x

7020-2.5 Coolant at 50x


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65-45-12

7020 Coolant at 50x7020-2.5 Coolant at50x

3750 Coolant at 50x


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Tool Wear by Pass80-55-06


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Tool Wear by Pass65-45-12


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Tool Wear by PassCGI


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Analysis

It can be seen from the graphs presented that, althoughtool wear values seem similar, there is a difference inwhich section of the tool curve the values are arrivingat

7020, in terms of the graphs, is wearing the slowestover time since it is in the plateau phase for both the80-55-06 and the CGI

7020-2.5 wears slower for the 65-45-12 than both the3750 and 7020


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Regression Analysis

Regression Equation: y = 0.766 - 0.156x1 - 0.338x2 + 0.0527x3 + 0.0477x4

Predictor Coefficient SE Coefficient T P

Constant 0.76589 0.03218 23.8 0

x1 -0.15567 0.03525 -4.42 0.012

x2 -0.338 0.03525 -9.59 0.001

x3 0.05267 0.03525 1.49 0.21

x4 0.04767 0.03525 1.35 0.248


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Conclusions and Recommendations

It can be seen from the graphs above that Quakercool7020 will have the longest tool life for the 80-55-05ductile iron and CGI

Additionally, the 7020-2.5 will have the longest tool lifebased off of the graph for 65-45-12

This is based on the idea that these lubricants are notyet in the final phase of tool life as compared to theother coolants in their respective categories

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