Mini Disc Style (MD, MDS, and MDSD Series)
- Zero backlash design
- Highest torsional stiffness
- All metal (aluminum hubs, stainless steel discs)
- Moderate-high torque, low inertia
Resources
Mini Disc Style (MD, MDS, and MDSD Series) Additional Resources
MD Series Overview
- Standard mini disc configuration; utilizing two disc packs
- Material: Aluminum hubs with stainless steel discs
- Nominal Torque: up to 111 in-lbs
- Torsional Stiffness: up to 26,550 in-lbs/rad
- Bore Capacity: up to 1.18 inches
- Max RPM: up to 10,000 RPM
- Max Temperature: 300°F
MD Series Performance Data
|
|
Torque |
Torque |
Max |
Weight* |
Moment of |
Misalignment |
|||
|
|
Nominal* |
Stiffness* |
|
|
inertia* |
Angular |
Parallel |
Axial |
|
|
Size |
in-lbs |
in-lb/rad |
RPM |
oz |
g |
lb-in2 |
degrees |
in |
in |
|
MD-19C |
6 |
1,770 |
10,000 |
0.635 |
18 |
0.003 |
1.5° |
0.005 |
± 0.20 |
|
MD-25C |
9 |
3,983 |
8,000 |
0.882 |
25 |
0.009 |
1.5° |
0.005 |
± 0.20 |
|
MD-32C |
22 |
9,735 |
6,000 |
2.116 |
60 |
0.033 |
1.5° |
0.006 |
± 0.20 |
|
MD-40C |
31 |
12,390 |
5,000 |
3.527 |
100 |
0.065 |
1.5° |
0.006 |
± 0.20 |
|
MD-50C |
80 |
19,470 |
4,000 |
7.408 |
210 |
0.028 |
1.5° |
0.006 |
± 0.20 |
|
MD-63C |
111 |
26,550 |
3,000 |
11.993 |
340 |
0.718 |
1.5° |
0.006 |
± 0.20 |
MDS Series Overview
- Spacer version of the minidisc style coupling
- Material: Aluminum hubs with stainless steel discs
- Nominal Torque: up to 221 in-lbs
- Torsional Stiffness: up to 22,125 in-lbs/rad
- Bore Capacity: up to 1.00 inches
- Max RPM: up to 4,800 RPM
- Max Temperature: 300°F
MDS Performance Data
|
|
Torque |
Torque |
Max |
Weight* |
Moment of |
Misalignment |
|||
|
|
Nominal* |
Stiffness* |
|
|
inertia* |
Angular |
Parallel |
Axial |
|
|
Size |
in-lbs |
in-lb/rad |
RPM |
oz |
g |
lb-in2 |
degrees |
in |
in |
|
MDS-32C |
18 |
8,850 |
4,800 |
1.690 |
48 |
0.212 |
2° |
0.006 |
± 0.016 |
|
MDS-40C |
35 |
13,275 |
3,800 |
2.860 |
81 |
0.055 |
2° |
0.007 |
± 0.016 |
|
MDS-50C |
66 |
17,700 |
3,100 |
5.290 |
150 |
0.157 |
2° |
0.007 |
± 0.024 |
|
MDS-63C |
89 |
22,125 |
2,400 |
8.110 |
230 |
0.376 |
2° |
0.012 |
± 0.031 |
MDSD Series Overview
- Single disc pack version of the mini disc coupling
- Material: Aluminum hubs with stainless steel disc
- Nominal Torque: up to 89 in-lbs
- Torsional Stiffness: up to 44,250 in-lbs/rad
- Bore Capacity: up to 1.00 inches
- Max RPM: up to 4,800 RPM
- Max Temperature: 300°F
MDSD Performance Data
|
|
Torque |
Torque |
Max |
Weight* |
Moment of |
Misalignment |
|||
|
|
Nominal* |
Stiffness* |
|
|
inertia* |
Angular |
Parallel |
Axial |
|
|
Size |
in-lbs |
in-lb/rad |
RPM |
oz |
g |
lb-in2 |
degrees |
in |
in |
|
MDSD-32C |
18 |
11,505 |
4,800 |
1.3 |
38 |
0.015377 |
1° |
N/A |
± 0.20 |
|
MDSD-40C |
35 |
24,780 |
3,800 |
2.3 |
66 |
0.041006 |
1° |
N/A |
± 0.20 |
|
MDSD-50C |
66 |
32,745 |
3,100 |
4.2 |
120 |
0.126435 |
1° |
N/A |
± 0.20 |
|
MDSD-63C |
89 |
44,250 |
2,400 |
6.7 |
190 |
0.287042 |
1° |
N/A |
± 0.20 |
- For Higher Max RPM: see Oldham, Curved Jaw or Mini Jaw
- For Higher Angular Misalignment: see Beam, Oldham, or Mini Soft
- For Higher Parallel Misalignment: see Oldham
- Or, for other coupling types: see Coupling Preselection Guide