| STANDARD
CYLINDER |
| |
|
| COMPRESSED AIR CONSUMPTION |
 |
| |
Unit: 1/min
|
|
| Bore
(mm) |
12 |
16
|
20
|
25
|
32
|
40
|
50
|
63
|
80
|
100 |
125
|
160
|
200 |
| Rod
(mm) |
6
|
6
|
8
|
10
|
12
|
16
|
20
|
20
|
25
|
25 |
32
|
40
|
50
|
| Area
(mm2) |
A |
113
|
201
|
314
|
491
|
804
|
1257
|
1963
|
3117
|
5027
|
7854 |
12271
|
20114
|
31400
|
B |
85
|
173
|
264
|
412
|
691
|
1056 |
1649
|
2803
|
4536
|
7363 |
11309
|
18857
|
29437
|
|
Operating
Pressure
(MPa) |
0.1
|
0.040
|
0.075
|
0.116
|
0.181
|
0.299
|
0.462
|
0.722
|
1.183
|
1.912
|
3.042 |
4.714
|
7.755
|
12.168
|
0.2 |
0.059 |
0.112 |
0.173 |
0.271 |
0.448 |
0.693 |
1.083 |
1.775 |
2.867 |
4.563 |
7.071 |
11.263 |
18.252 |
0.3 |
0.079 |
0.150 |
0.231 |
0.361 |
0.598 |
0.924 |
1.444 |
2.367 |
3.823. |
6.084 |
9.428 |
15.473 |
24.336 |
0.4 |
0.099 |
0.187 |
0.289 |
0.451 |
0.747 |
1.156 |
1.805 |
2.959 |
4.779 |
7.605 |
11.785 |
19.331 |
30.420 |
0.5 |
0.119 |
0.224 |
0.347 |
0.542 |
0.897 |
1.387 |
2.167 |
3.550 |
5.734 |
9.126 |
14.142 |
23.190 |
36.502 |
0.6 |
0.138 |
0.262 |
0.405 |
0.632 |
1.046 |
1.618 |
2.528 |
4.142 |
6.690 |
10.647 |
16.499 |
27.048 |
42.586 |
0.7 |
0.158 |
0.299 |
0.463 |
0.722 |
1.196 |
1.849 |
2.889 |
4.734 |
7.646 |
12.168 |
18.856 |
30.907 |
48.670 |
0.8 |
0.178 |
0.336 |
0.520 |
0.812 |
1.345 |
2.080 |
3.250 |
5.325 |
8.602 |
13.689 |
21.213 |
34.765 |
54.754 |
0.9 |
0.198 |
0.374 |
0.578 |
0.903 |
1.495 |
2.311 |
3.611 |
5.917 |
9.557 |
15.209 |
23.570 |
38.624 |
60.838 |
1.0 |
0..218 |
0.411 |
0.636 |
0.993 |
1.644 |
2.542 |
3.972 |
6.509 |
10.513 |
16.927 |
25.927 |
42.482 |
66.922. |
|
The table is for a complete cycle with 100mm stroke
in one minute. |
| |
| THE
METHOD OF CALCULATION
( Compressed Air Consumption ) |
| |
| Qn
= ( Aa + Ab ) X L X |
P
+ 0.101
|
X n X 10-6 |
|
|
0.101
|
|
| Qn
: Compressed air consumption |
(l/min) |
| Aa
: Piston area of |
(mm2) |
| Ab
: Piston area of |
(mm2) |
|
L : Stroke of cylinder |
(mm) |
| P
: Air pressure |
(Mpa) |
| n
: Cycle of operation |
(cycle/min) |
|
|
|
| |
| FLOW
RATE CONVERSION CHART |
| |
| |
m3/s |
l/s |
cm3/s |
m3/h |
m3/min |
l/h |
l/min |
ft3/min
(scfm) |
gallon
min UK |
gallon
min USA |
| m3/s |
1 |
103 |
106 |
3.6x106 |
60 |
3.6X106 |
60X103 |
2.12X103 |
13.2X103 |
15.85X103 |
| l/s |
10-3 |
1 |
103 |
103 |
60x10-3 |
3.6X103 |
60 |
2.12 |
13.2 |
15.85 |
| cm3/s |
10-6 |
10-3 |
1 |
3.6x10-3 |
60x10-6 |
3.6 |
16X10-3 |
2.12X10-3 |
13.2X10-3 |
15.85X10-3 |
| m3/h |
0.28x10-3 |
0.28 |
0.28x103 |
1 |
16.67x10-3 |
103 |
16.67 |
0.59 |
3.67 |
4.4 |
| m3/min |
16.67x10-3 |
16.67 |
16.67x103 |
60 |
1 |
60x103 |
103 |
35.31 |
219.97 |
264.17 |
| l/h |
0.28x10-6 |
0.28x10-3 |
0.28 |
10-3 |
16.67x10-6 |
1 |
16.67x10-3 |
0.59x10-3 |
3.67x10-3 |
4.4x10-3 |
| l/min |
16.67x10-6 |
16.67x10-3 |
16.67 |
60X10-3 |
103 |
60 |
1 |
35.31X10-3 |
219.97X10-3 |
264X10-3 |
| ft3/min(scfm) |
0.47X10-3 |
0.47 |
0.47X103 |
1.699 |
28.32X10-3 |
1.699x103 |
28.32 |
1 |
6.23 |
7.48 |
| gallon min
UK |
75.79X10-6 |
75.77X10-3 |
75.77 |
0.273 |
4.55X10-3 |
0.273X102 |
4.55 |
0.16 |
1 |
1.2 |
| gallon min
USA |
63.09X10-6 |
63.09X10-3 |
63.09 |
0.227 |
3.79X10-3 |
0.227X103 |
3.79 |
0.13 |
0.83 |
1 |
|
| |
|
| CYLINDERS'
THEORETIC FORCE |
 |
| |
Unit:
N
|
|
| Bore
(mm) |
12
|
16
|
20
|
25
|
32
|
40
|
50
|
63
|
80
|
100
|
125
|
160
|
200
|
| Rod
(mm) |
6
|
6
|
8
|
10
|
12
|
16
|
20
|
20
|
25
|
25
|
32
|
40
|
50
|
| Area
(mm2) |
A
|
113
|
201
|
314
|
491
|
804
|
1257
|
1963
|
3117
|
5027
|
7854
|
12271
|
20114
|
31400
|
|
B
|
85
|
173
|
264
|
412
|
691
|
1056
|
1649
|
2803
|
4536
|
7363
|
11309
|
18857
|
29437
|
|
Operating
Pressure
(MPa)
|
0.1 |
A
|
11
|
20
|
31
|
49
|
80
|
126
|
196
|
312
|
502
|
785
|
1227
|
2011
|
3140
|
|
B
|
85
|
17
|
26
|
41
|
69
|
106
|
165
|
280
|
453
|
736
|
1131
|
1885
|
2944
|
| 0.2 |
A
|
23
|
40
|
63
|
98
|
161
|
251
|
393
|
623
|
1005
|
1571
|
2454
|
4022
|
6280
|
|
B
|
17
|
35
|
53
|
82
|
138
|
211
|
330
|
561
|
907
|
1473
|
2262
|
3770
|
5888
|
| 0.3 |
A
|
34
|
60
|
94
|
147
|
241
|
377
|
589
|
935
|
1508
|
2356
|
3681
|
6032
|
9420
|
|
B
|
25
|
52
|
79
|
124
|
207
|
317
|
495
|
841
|
1361
|
2209
|
3393
|
5655
|
8832
|
| 0.4 |
A
|
45
|
80
|
126
|
196
|
322
|
503
|
785
|
1247
|
2011
|
3142
|
4908
|
8043
|
12560
|
|
B
|
34
|
69
|
106
|
165
|
276
|
422
|
660
|
1121
|
1814
|
2945
|
4524
|
7540
|
11776
|
| 0.5 |
A
|
57
|
101
|
157
|
245
|
402
|
629
|
982
|
1559
|
2514
|
3927
|
6135
|
10053
|
15700
|
|
B
|
42
|
87
|
132
|
206
|
346
|
528
|
825
|
1402
|
2268
|
3682
|
5655
|
9425
|
14720
|
| 0.6 |
A
|
68
|
121
|
189
|
294
|
482
|
754
|
1178
|
1870
|
3016
|
4712
|
7363
|
12064
|
18840
|
|
B
|
51
|
104
|
158
|
247
|
415
|
634
|
989
|
1682
|
2722
|
4418
|
6785
|
11310
|
17664
|
| 0.7 |
A
|
79
|
141
|
220
|
343
|
563
|
880
|
1374
|
2182
|
3519
|
5498
|
8589
|
14075
|
21980
|
|
B
|
59
|
121
|
185
|
289
|
484
|
739
|
1154
|
1962
|
3175
|
5154
|
7916
|
13195
|
20608
|
| 0.8 |
A
|
90
|
161
|
251
|
393
|
643
|
1006
|
1570
|
2494
|
4022
|
6283
|
9816
|
16085
|
25120
|
|
B
|
68
|
138
|
211
|
330
|
553
|
845
|
1319
|
2242
|
3629
|
5890
|
9047
|
15080
|
23552
|
| 0.9 |
A
|
102
|
181
|
283
|
442
|
724
|
1131
|
1767
|
2805
|
4524
|
7069
|
11043
|
18096
|
28260
|
|
B
|
76
|
155
|
238
|
371
|
622
|
950
|
1484
|
2523
|
4082
|
6627
|
10178
|
16965
|
26496
|
| 1.0 |
A
|
113
|
201
|
314
|
491
|
804
|
1257
|
1963
|
3117
|
5027
|
7854
|
12271
|
20107
|
31400
|
|
B
|
85
|
173
|
264
|
412
|
691
|
1056
|
1649
|
2803
|
4536
|
7363
|
11309
|
18850
|
29440
|
|
| |
| THE
METHOD OF CALCULATION ( Cylinders' Force) |
| |
|
F
= P X A - f
|
| F
: Cylinder' force |
(N) |
| P
: Air pressure |
(Mpa) |
| A
: Piston |
(mm2) |
| f
: Friction drag |
(N) |
|
|
|
| |
| PRESSURE
CONVERSION CHART |
| |
|
Pa |
kPa |
Mpa |
bar |
mbar |
kgf/cm2 |
cmH2O |
mmH2O |
mmHg |
p.s.i. |
| Pa |
1 |
10-3 |
10-6 |
10-5 |
10-2 |
10.2X10-6 |
10.2X10-3 |
101.97X10-3 |
7.5X10-3 |
0.15X10-3 |
| kPA |
103 |
1 |
10-3 |
10-2 |
10 |
10.2X10-3 |
10.2 |
101.97 |
7.5 |
0.15 |
| MPA |
106 |
10-3 |
1 |
10 |
104 |
10.2 |
10.2X103 |
101.97X103 |
7.5X103 |
0.15X103 |
| bar |
105 |
10-2 |
10-1 |
1 |
103 |
1.02 |
1.02X103 |
10.2X103 |
750.06 |
14.5 |
| mbar |
102 |
10-1 |
10-4 |
10-3 |
1 |
1.02X10-3 |
1.02 |
10.2 |
0.75 |
14.5X10-3 |
| kgf/cm2 |
98066.5 |
98.07 |
98.07X10-3 |
0.98 |
980.67 |
1 |
1000 |
10000 |
735.56 |
14.22 |
| cmH2O |
98.0665 |
98.07X10-3 |
98.07X10-6 |
0.98X10-3 |
0.98 |
10-3 |
1 |
10 |
0.74 |
14.22X10-3 |
| mmH2O |
9.80665 |
9.807X10-3 |
9.807X10-6 |
98.07X10-6 |
98.07X10-3 |
10-4 |
0.1 |
1 |
73.56X103 |
1.42X10-3 |
| mmHg |
133.32 |
133.32X10-3 |
133.32X10-6 |
1.33X10-3 |
1.33 |
1.36X10-3 |
1.36 |
13.6 |
1 |
19.34X10-3 |
| p.s.i. |
6894.76 |
6.89 |
6.89X10-3 |
68.95X10-3 |
68.95 |
70.31X10-3 |
70.31 |
703.07 |
51.71 |
1 |
|
| |
| |
|