Bi-Directional
(in English Units)
Bi-Directional Shafts Torque vs. Radius Chart
(in English Units)
| Part |
Stiffness |
Diameter |
Torque Capacity (lb-in) |
| inches |
|
|
Operating Radius (in) |
| |
|
|
3 |
4 |
6 |
8 |
10 |
12 |
15 |
20 |
25 |
Straight |
| 130L |
Low |
0.127 |
0.3 |
1.0 |
1.7 |
2.1 |
2.3 |
2.5 |
2.6 |
2.8 |
2.8 |
3.2 |
| 130M |
Medium |
0.127 |
0.4 |
1.2 |
2.1 |
2.6 |
2.8 |
3.0 |
3.2 |
3.4 |
3.5 |
3.9 |
| 130H |
High |
0.127 |
|
1.3 |
2.9 |
3.7 |
4.2 |
4.5 |
4.8 |
5.2 |
5.4 |
6.1 |
| 150L |
Low |
0.147 |
|
2.6 |
4.4 |
5.3 |
5.9 |
6.2 |
6.6 |
7.0 |
7.2 |
8.1 |
| 150M |
Medium |
0.147 |
|
1.8 |
4.1 |
5.2 |
5.9 |
6.3 |
6.8 |
7.2 |
7.5 |
8.6 |
| 150H |
High |
0.147 |
|
2.0 |
4.4 |
5.6 |
6.4 |
6.9 |
7.4 |
7.8 |
8.1 |
9.3 |
| 187L |
Low |
0.183 |
|
3.3 |
7.3 |
9.4 |
10.6 |
11.4 |
12.2 |
13.0 |
13.5 |
15.4 |
| 187M |
Medium |
0.183 |
|
2.8 |
6.3 |
8.0 |
9.1 |
9.8 |
10.5 |
11.1 |
11.6 |
13.2 |
| 187H |
High |
0.183 |
|
3.4 |
7.7 |
9.8 |
11.1 |
11.9 |
12.8 |
13.6 |
14.1 |
16.0 |
| 250L |
Low |
0.245 |
|
6.5 |
14.5 |
18.0 |
21.0 |
22.0 |
24.0 |
25.0 |
26.0 |
30.0 |
| 250M |
Medium |
0.245 |
|
8.4 |
19.0 |
23.0 |
27.0 |
29.0 |
31.0 |
33.0 |
34.0 |
39.0 |
| 250H |
High |
0.245 |
|
9.0 |
20.0 |
25.0 |
29.0 |
31.0 |
33.0 |
35.0 |
36.0 |
42.0 |
| 312L |
Low |
0.304 |
|
|
17.0 |
27.0 |
32.0 |
36.0 |
40.0 |
44.0 |
46.0 |
56.0 |
| 312M |
Medium |
0.304 |
|
|
20.0 |
32.0 |
39.0 |
44.0 |
48.0 |
53.0 |
556.0 |
67.0 |
| 312H |
High |
0.304 |
|
|
19.0 |
34.0 |
44.0 |
50.0 |
56.0 |
63.0 |
66.0 |
81.0 |
| 375L |
Low |
0.370 |
|
|
25.0 |
45.0 |
58.0 |
66.0 |
74.0 |
83.0 |
87.0 |
107.0 |
| 375M |
Medium |
0.370 |
|
|
29.0 |
53.0 |
67.0 |
77.0 |
86.0 |
96.0 |
102.0 |
125.0 |
| 375H |
High |
0.370 |
|
|
34.0 |
63.0 |
81.0 |
92.0 |
104.0 |
115.0 |
122.0 |
150.0 |
| 500L |
Low |
0.495 |
|
|
|
56.0 |
88.0 |
109.0 |
130.0 |
151.0 |
163.0 |
213.0 |
| 500M |
Medium |
0.495 |
|
|
|
75.0 |
117.0 |
145.0 |
172.0 |
200.0 |
217.0 |
284.0 |
| 500H |
High |
0.495 |
|
|
|
75.0 |
117.0 |
145.0 |
172.0 |
200.0 |
217.0 |
284.0 |
| 625L |
Low |
0.620 |
|
|
|
|
170.0 |
220.0 |
270.0 |
340.0 |
380.0 |
460.0 |
| 625M |
Medium |
0.620 |
|
|
|
|
188.0 |
25.0 |
317.0 |
381.0 |
420.0 |
574.0 |
| 625H |
High |
0.620 |
|
|
|
|
223.0 |
299.0 |
375.0 |
451.0 |
497.0 |
680.0 |
| 750L |
Low |
0.740 |
|
|
|
|
|
291.0 |
366.0 |
440.0 |
484.0 |
663.0 |
| 750M |
Medium |
0.740 |
|
|
|
|
|
351.0 |
440.0 |
529.0 |
582.0 |
797.0 |
| 750H |
High |
0.740 |
|
|
|
|
|
404.0 |
506.0 |
609.0 |
671.0 |
918.0 |
| 1000L |
Low |
0.990 |
|
|
|
|
|
|
734.0 |
968.0 |
1108.0 |
1669.0 |
| 1000M |
Medium |
0.990 |
|
|
|
|
|
|
972.0 |
1281.0 |
1466.0 |
2209.0 |
| 1000H |
High |
0.990 |
|
|
|
|
|
|
1100.0 |
1450.0 |
1659.0 |
2499.0 |
|
|
Bi-Directional Shafts Specification Chart
(in English Units)
| Part |
Stiffness |
Diameter |
Weight 100 ft |
UTS |
Max RPM |
Min Radius |
Torsional Deflection |
Bending Stiffness |
|
Axial Stretch |
| TOL |
LOL |
TOL |
LOL |
TOL |
LOL |
| |
|
inches |
lbs |
lb-in |
|
inches |
deg/ft/lb-in |
lb-in 2 |
TSR |
in/ft/lb-in |
| 130L |
Low |
0.127 |
3.6 |
10 |
10 |
30000 |
3 |
28.642 |
57.291 |
0.39 |
0.5 |
0.0030 |
-0.0020 |
| 130M |
Medium |
0.127 |
3.6 |
16 |
12 |
30000 |
3 |
11.653 |
23.707 |
0.67 |
0.49 |
0.0020 |
-0.0030 |
| 130H |
High |
0.127 |
3.6 |
22 |
19 |
30000 |
4 |
10.261 |
22.177 |
101 |
0.46 |
0.0030 |
-0.0060 |
| 150L |
Low |
0.147 |
4.9 |
25 |
25 |
20000 |
3.5 |
8.088 |
11.853 |
0.7 |
0.68 |
0.0040 |
-0.0040 |
| 150M |
Medium |
0.147 |
4.9 |
21 |
26 |
20000 |
4 |
6.548 |
12.500 |
1 |
0.52 |
0.0007 |
0.0011 |
| 150H |
High |
0.147 |
4.9 |
23 |
29 |
20000 |
4 |
5.413 |
9.821 |
1.2 |
0.55 |
0.0003 |
0.0010 |
| 187L |
Low |
0.183 |
7.8 |
44 |
47 |
15000 |
4 |
2.537 |
4.407 |
1.9 |
0.57 |
0.0008 |
0.0001 |
| 187M |
Medium |
0.183 |
7.8 |
44 |
41 |
15000 |
4 |
3.069 |
6.944 |
2.7 |
0.44 |
0.0001 |
0.0004 |
| 187H |
High |
0.183 |
7.8 |
53 |
50 |
15000 |
4 |
1.942 |
4.982 |
4 |
0.39 |
-0.0001 |
-0.0010 |
| 250L |
Low |
0.245 |
14 |
123 |
94 |
10000 |
4 |
1.029 |
2.071 |
4 |
0.49 |
0.0003 |
-0.0004 |
| 250M |
Medium |
0.245 |
14 |
141 |
121 |
10000 |
4 |
0.739 |
1.228 |
7.8 |
0.6 |
0.0007 |
-0.0003 |
| 250H |
High |
0.245 |
14 |
143 |
129 |
10000 |
4.5 |
0.631 |
1.239 |
9.1 |
0.51 |
0.0006 |
-0.0003 |
| 312L |
Low |
0.304 |
22 |
236 |
173 |
7500 |
4.5 |
0.447 |
0.780 |
10.3 |
0.57 |
0.0001 |
-0.0002 |
| 312M |
Medium |
0.304 |
22 |
281 |
207 |
7500 |
4.5 |
0.284 |
0.550 |
15.2 |
0.52 |
0.0000 |
0.0001 |
| 312H |
High |
0.304 |
22 |
304 |
251 |
7500 |
5 |
0.217 |
0.405 |
21.7 |
0.53 |
0.0001 |
-0.0001 |
| 375L |
Low |
0.370 |
32 |
458 |
330 |
5500 |
5 |
0.148 |
0.271 |
25 |
0.54 |
0.0001 |
-0.0001 |
| 375M |
Medium |
0.370 |
32 |
515 |
384 |
5500 |
6 |
0.112 |
0.205 |
34 |
0.54 |
0.0001 |
0.0001 |
| 375H |
High |
0.370 |
32 |
539 |
461 |
5500 |
6 |
0.093 |
0.184 |
60 |
0.5 |
0.0001 |
0.0001 |
| 500L |
Low |
0.495 |
51 |
927 |
654 |
4500 |
7 |
0.069 |
0.115 |
46 |
0.59 |
0.0001 |
-0.0001 |
| 500M |
Medium |
0.495 |
51 |
1214 |
869 |
4500 |
7 |
0.044 |
0.081 |
71 |
0.54 |
0.0001 |
0.0001 |
| 500H |
High |
0.495 |
51 |
1322 |
971 |
4500 |
7 |
0.035 |
0.067 |
89 |
0.53 |
0.0001 |
0.0001 |
| 625L |
Low |
0.620 |
79 |
1656 |
1290 |
4000 |
8 |
0.028 |
0.040 |
92 |
0.68 |
0.0001 |
0.0001 |
| 625M |
Medium |
0.620 |
79 |
2135 |
1760 |
4000 |
8 |
0.015 |
0.024 |
153 |
0.62 |
0.0001 |
0.0001 |
| 625H |
High |
0.620 |
79 |
2423 |
2083 |
4000 |
8 |
0.011 |
0.018 |
222 |
0.59 |
0.0001 |
0.0001 |
| 750L |
Low |
0.740 |
112 |
2919 |
2030 |
3000 |
10 |
0.013 |
0.026 |
209 |
0.5 |
0.0001 |
0.0001 |
| 750M |
Medium |
0.740 |
112 |
3533 |
2441 |
3000 |
10 |
0.009 |
0.018 |
322 |
0.5 |
0.0001 |
0.0001 |
| 750H |
High |
0.740 |
112 |
3947 |
2810 |
3000 |
10 |
0.007 |
0.014 |
426 |
0.52 |
0.0001 |
0.0001 |
| 1000L |
Low |
0.990 |
203 |
6568 |
5110 |
2500 |
12 |
0.004 |
0.006 |
404 |
0.64 |
0.0001 |
0.0001 |
| 1000M |
Medium |
0.990 |
203 |
8513 |
6763 |
2500 |
12 |
0.002 |
0.003 |
732 |
0.68 |
0.0001 |
0.0001 |
| 1000H |
High |
0.990 |
203 |
9338 |
7652 |
2500 |
12 |
0.002 |
0.003 |
1000 |
0.68 |
0.0001 |
0.0001 |
|
