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Sepor FC BOND MILL, Руководство по эксплуатации и техническому обслуживанию, Страница: 8 / 19

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SEPOR YOUTUBE • JOIN MAILING LIST • VISIT WEBSITE | 

Sepor, Inc. 

718 N. Fries Ave. Wilmington, CA 90744 USA 

Ball Dia (In) 

Specified # 

of 

Balls 

Ball 

Weight, 

Each, (Lb) 

Ball Surface 

Area (In2) 

Total Weight 

(Lbs) 

Total Surface 

Area (In2) 

1 1/2" 

43 

0.5009 

7.0686 

21.54026 

303.9488 

1 1/4" 

67 

0.289894 

4.9087344 

19.42288 

328.8852 

1" 

10 

0.148426 

3.14159 

1.484256 

31.4159 

3/4" 

71 

0.062617 

1.7671444 

4.44581 

125.4673 

5/8" 

94 

0.036237 

1.2271836 

3.406251 

115.3553 

Specified Totals 

by FC Bond 

 

 

 

44.5 

842 

TOTAL

 

285 

 

 

50.29945 

905.0724 

 

TABLE A. The above is FC Bonds Original Ball Specifications. It does not meet his requirement for 
total weight or area.  

Sphere area = 4 · 

π

 · r2 Volume of sphere = (4/3) · 

π

 · r3 Density of steel = 0.2834722 lbs/In3  

 

 

 

 

 

 

 

 

 

Содержание FC BOND MILL

Страница 1: ...SEPOR INC 718NFRIESAVE WILMINGTON CA90744 3108306601 Fax 3108309336 info sepor com OPERATING MAINTENANCE MANUAL SEPOR FC BOND MILL ...

Страница 2: ...q inches Because of variations in grinding ball sizes no exact number of balls of each size can be specified The ball charge is prepared by starting with 285 balls consisting of approximately equal weights of various sizes available these sizes include 5 8 inch 3 4 inch 1 inch 1 1 4 inch and 1 1 2 inch about 400 grams of each size For every 0 002 increase in ball diameter the ball weight varies 0 ...

Страница 3: ...ill fall into the receiving pan After The product is dumped the ball charge is screened out the 700 cm3 of material is screened on sieves of the mesh size tested with a coarser protecting screen of 50 US mesh 300 μ The undersize is weighed and fresh feed is added to the oversize to bring its weight back to that of the original charge Then it is returned on to the balls in the mill and ground for t...

Страница 4: ...o the cylinder until the 700 cc volume is obtained 4 The Ideal Period Product IPP is equal to the weight of the 700 cc sample in grams divided by 3 5 5 Conduct a screen analysis and record the weights of each size fraction of the 700 cc feed test sample 6 Place the FC Bond Ball charge in the mill 7 Place the feed sample in the mill 8 Set the mill revolution counter for a specific number of revolut...

Страница 5: ...rculating load 520 grams by the number of grams produced per revolution In the example the mill ran for 100 revolutions the undersize was 1260 grams so 1260 100 12 6 Therefore in the example 520 12 6 41 revolutions 16 Set the revolution counter to the number achieved in step no 15 Add new representative feed to replace the ground product size material in the example 1 260 grams were ground in the ...

Страница 6: ...manufacturing of grinding balls a fraction of an inch in diameter variance on a grinding ball will make a difference on the total weight of the grinding charge This was addressed by Fred Bond in response to queries made as to his specified charge not meeting his own criteria assuming they were spherical Since it was and is very difficult to obtain exactly the correct weight with the specified numb...

Страница 7: ...inding balls the Bond equation was modified to maintain the number of balls 285 and substitute 5 8 balls until the 44 5 pound ball charge weight was obtained with 285 balls The two tables A B on the next page show how it was done using a as received ball charge with 40 extra 5 8 balls to use for substitution ...

Страница 8: ...303 9488 1 1 4 67 0 289894 4 9087344 19 42288 328 8852 1 10 0 148426 3 14159 1 484256 31 4159 3 4 71 0 062617 1 7671444 4 44581 125 4673 5 8 94 0 036237 1 2271836 3 406251 115 3553 Specified Totals by FC Bond 44 5 842 TOTAL 285 50 29945 905 0724 TABLE A The above is FC Bonds Original Ball Specifications It does not meet his requirement for total weight or area Sphere area 4 π r2 Volume of sphere 4...

Страница 9: ...ng smaller balls for larger ones to achieve apx 44 5 lbs weight and apx 842 SqIn total surface area Fred Bond specified a grinding charge as itemized in Table 1 above He essentially described the importance of there being 44 5 Lbs Grinding charge and 842 square inches of specific area for the total ball charge and 285 steel balls in the following diameters 1 5 1 25 1 3 4 and 5 8 1 As can be seen i...

Страница 10: ...SEPOR YOUTUBE JOIN MAILING LIST VISIT WEBSITE Sepor Inc 718 N Fries Ave Wilmington CA 90744 USA ...

Страница 11: ...SEPOR YOUTUBE JOIN MAILING LIST VISIT WEBSITE Sepor Inc 718 N Fries Ave Wilmington CA 90744 USA ...

Страница 12: ...and will continue to run until the number of revolutions set is reached To empty the mill use the Jog switch by turning it to the right until the mill is in the desired position then turn the switch back to the position shown Left With the discharge pan beneath the mill remove the top and the balls and material will fall into the pan The Jog switch can be used to bump the mill several times dislod...

Страница 13: ... revolution counter refer to the photo below By pushing the bottom row buttons the counter number is increased Pushing the top row of buttons decreases the counter number The actual revolutions is displayed in the digital led display Then the digital display reached the number input below the mill shuts off ...

Страница 14: ...SEPOR YOUTUBE JOIN MAILING LIST VISIT WEBSITE Sepor Inc 718 N Fries Ave Wilmington CA 90744 USA ...

Страница 15: ...SEPOR YOUTUBE JOIN MAILING LIST VISIT WEBSITE Sepor Inc 718 N Fries Ave Wilmington CA 90744 USA Spare Parts Diagram 1 of 2 ...

Страница 16: ...SEPOR YOUTUBE JOIN MAILING LIST VISIT WEBSITE Sepor Inc 718 N Fries Ave Wilmington CA 90744 USA Spare Parts Diagram 2 of 2 See following page for Spare Parts List ...

Страница 17: ...SEPOR YOUTUBE JOIN MAILING LIST VISIT WEBSITE Sepor Inc 718 N Fries Ave Wilmington CA 90744 USA ...

Страница 18: ... Chain Guard F C Bond Mill 1 010E T005 Mounting Bracket F C Bond Mil 1 010E C125 F C Bond Mill Controller Box 1 810ST126 Sensing M18 NPN 8mm 3 Wire 1 810ST173 Counter Timer 1 16 DIN 4 Digit 1 MO 191564 1hp 208 230 460V 1725 RPM 56C 1 GR BMQ82125L56 Gearbox GRL BMQ821 25 L 56 1 741ST107 Roller Chain ANSI 50 5 8 Pit 3 784ST168 1 7 16 Pillow Block UCP207 23 2 784ST292 Sprocket 50BS15 1 7 16 Bore 1 78...

Страница 19: ...4 Chain Guard F C Bond Mill 1 010E T005 Mounting Bracket F C Bond Mil 1 010E C125 F C Bond Mill Controller Box 1 810ST126 Sensing M18 NPN 8mm 3 Wire 1 810ST173 Counter Timer 1 16 DIN 4 Digit 1 MO 114638 1hp 208 230 460V 1725 RPM 56C 1 GR BMQ82125L56 Gearbox GRL BMQ821 25 L 56 1 741ST107 Roller Chain ANSI 50 5 8 Pit 3 784ST155 1 7 16 Pillow Block UCPX07 23 2 784ST292 Sprocket 50BS15 1 7 16 Bore 1 7...

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