F = p x a – BLACKHAWK! PORTO-POWER B65115 User Manual

Page 11

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11

Load - Pressure Correlation For Model B65114 & B65115

Always monitor the force applied to workpiece by using a load cell and indicator or you may monitor pressure
developed in the ram by using an inline pressure gauge, then calculate the applied force using the formula:

F = P x A

For model B65114, A = 0.998 in² ;
For model B55115, A = 2.411 in²

Example1
Model B65114 lifting 5,000 lb will require what
presure?
Pressure = 5,000 lb / 0.998 in² = 5,010 psi

where

F = Force/ Load (lb);

P = Hydraulic working pressure (psi) and;

A = Ram effective area (in²)

Example2
Model B65115 operating at 6,000 psi will generate
what force?
Force = 6,000 psi x 2.411 in

2

= 14,466 lb

Load

(lb)

Pressure of 4 Ton Ram,

where A = 0.998 in

2

(psi)

Pressure of 10 Ton Ram,

where A = 2.411 in

2

(psi)

1,000

1,002

415

2,000

2,004

830

3,000

3,006

1,244

4,000

4,008

1,659

5,000

5,010

2,074

6,000

6,012

2,489

7,000

7,014

2,903

8,000

8,016

3,318

9,000

3,733

10,000

4,148

11,000

4,562

12,000

4,977

13,000

5,392

14,000

5,807

15,000

6,221

16,000

6,636

17,000

7,051

18,000

7,466

19,000

7,881

20,000

8,295

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