Luoyang Hengin Heavy Technology Co., Ltd.

Luoyang Hengin Heavy Technology Co., Ltd.

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Grinding Ball Inspection

■ Size Detection

 

                 Ball Type

 
Mass (g)

Calculated Diameters
(mm)

Average Diameter (mm)

X-axis

Y-axis

Z-axis

 
 
Φ60mm Ball
1 965.07 61.74 61.79 61.64 61.84
2 967.53 61.80 61.37 61.54 61.46
3 967.56 61.80 61.57 60.99 61.45
4 968.48 61.82 61.68 61.75 61.64
5 969.22 61.83 61.75 61.62 61.91
 

Φ75mm Ball

1 1886.81 77.21 77.07 77.09 76.94
2 1881.24 77.13 76.99 76.96 77.01
3 1882.71 77.15 77.00 76.92 76.97
4 1889.97 77.25 77.07 77.12 77.26
5 1904.67 77.45 76.84 76.76 76.45
 

Φ100mm Ball

1 3732.30 96.92 97.04 98.20 96.96
2 3742.35 97.00 97.17 97.60 97.45
3 3738.45 96.97 97.61 97.56 96.81
4 3733.67 96.93 97.83 97.76 98.48
5 3726.37 96.87 97.18 96.96 97.38
 
Φ125mm Ball
1 7740.25 123.59 122.67 123.99 124.60
2 7882.58 124.34 121.24 124.16 124.62
3 7621.45 122.96 120.88 123.74 123.80
4 7820.36 124.02 122.51 124.57 124.17
5 7828.11 124.06 120.83 124.54 124.44


■ Hardness Test

 

Ball identity

Depth from the Outer Surface (mm)

5

10

15

20

25

30

35

Φ60mm Ball A

780 (63) 780 (63) 780 (63) 780 (63) 780 (63) 780 (63) -

Φ60mm Ball B

780 (63) 780 (63) 780 (63) 780 (63) 780 (63) 780 (63) -

Φ75mm Ball A

780 (63) 780 (63) 780 (63) 765 (62) 752 (62) 738 (61) 738 (61)

Φ75mm Ball B

780 (63)

780 (63)

780 (63)

780 (63)

780 (63)

780 (63)

746 (61)

 

■ Chemical Composition Test

 

Ball Identity

Element (wt. %)

C

Si

Mn

Cr

Ni

Cu

Ti

Φ60mm Ball A

0.66 0.25 0.75 0.55 0.03 0.02 0.01

Φ60mm Ball B

0.70 0.30 0.68 0.74 0.03 0.03 0.02
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