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Gum Type Flexible Coupling
| Servomotor | A |
|---|---|
| Stepping Motor | A |
| General-Purpose Motor | B |
| Encoder | - |
| Zero Backlash | A |
|---|---|
| High Torsional Stiffness | B |
| High Torque | A |
| Allowable Misalignment | B |
| Vibration Absorption | A |
| Electrical Insulation | A |
| Corrosion Resistant (All Stainless Steel) | - |
A : Excellent B : Very Good
| Volume Resistance (Ωm) | 1012~1013 |
|---|---|
| Aging Resistance | A |
| Weathering Resistance | A |
| Ozone Resistance | A |
| Gasoline / Light Oil | B~A |
| Benzene / Toluene | C~B |
| Alcohol | A |
| Ether | D~C |
| Ketone (MEK) | D |
| Acetic Ether | D~C |
| Water | A |
| Organic Acid | A |
| High Concentration Organic Acid | B |
| Low Concentration Organic Acid | A |
| Strong Alkali | A |
| Weak Alkali | A |
A : Excellent
B : Usable
C : Usable under certain conditions
D : Unusable
*Stock screws can be replaced with stainless steel screws. Please take advantage of our stainless steel screw option.
For more information please refer to Stainless Steel Screws [PDF 256KB].
| Catalog Number |
A | L | W | F | G | M | Wrench Torque (N·m) |
||
|---|---|---|---|---|---|---|---|---|---|
| XGT-15C | 15 | 6.5 | 23 | 2.15 | 5 | M1.6 | 0.25 | XGT15C.dxf | XGT15C |
| XGT-19C | 19 | 7.7 | 26 | 2.65 | 6.5 | M2 | 0.5 | XGT19C.dxf | XGT19C |
| XGT-25C | 25 | 9.5 | 32 | 3.25 | 9 | M2.5 | 1 | XGT25C.dxf | XGT25C |
| XGT-30C | 30 | 11 | 36 | 4 | 11 | M3 | 1.5 | XGT30C.dxf | XGT30C |
| XGT-34C | 34 | 12 | 38 | 4 | 12.25 | M3 | 1.5 | XGT34C.dxf | XGT34C |
| XGT-39C | 39 | 15.5 | 48 | 4.5 | 14.5 | M4 | 2.5 | XGT39C.dxf | XGT39C |
| XGT-44C | 44 | 15 | 48 | 4.75 | 16 | M4 | 2.5 | XGT44C.dxf | XGT44C |
| XGT-56C | 56 | 19.5 | 60 | 5.5 | 20 | M5 | 7 | XGT56C.dxf | XGT56C |
| Catalog Number |
Max. Bore (mm) |
Rated Torque (N·m) |
Max. Torque (N·m) |
Max. Rotational Frequency (min-1) |
Moment of Inertia* (kg·m2) |
Static Torsional Stiffness (N·m/rad) |
Errors of Eccentricity (mm) |
Errors of Angularity (°) |
Errors of Shaft End-Play (mm) |
Mass* (g) |
|---|---|---|---|---|---|---|---|---|---|---|
| XGT-15C | 6 | 1.1 | 2.2 | 42000 | 2.7x10-7 | 43 | 0.15 | 1.5 | ±0.2 | 8 |
| XGT-19C | 8 | 2.1 | 4.2 | 33000 | 8.4x10-7 | 88 | 0.15 | 1.5 | ±0.2 | 14 |
| XGT-25C | 12 | 4 | 8 | 25000 | 3.0x10-6 | 170 | 0.15 | 1.5 | ±0.2 | 28 |
| XGT-30C | 15 | 6.3 | 12.6 | 21000 | 6.9x10-6 | 220 | 0.20 | 1.5 | ±0.3 | 45 |
| XGT-34C | 16 | 8 | 16 | 18000 | 1.3x10-5 | 390 | 0.20 | 1.5 | ±0.3 | 65 |
| XGT-39C | 20 | 13.5 | 27 | 16000 | 2.7x10-5 | 520 | 0.20 | 1.5 | ±0.3 | 98 |
| XGT-44C | 22 | 18 | 36 | 14000 | 4.2x10-5 | 640 | 0.20 | 1.5 | ±0.3 | 136 |
| XGT-56C | 28 | 35 | 70 | 11000 | 1.4x10-4 | 1500 | 0.20 | 1.5 | ±0.3 | 276 |
*Adjustment of rated and maximum torque specifications for load fluctuations is not required.
However, if operating temperature exceeds 30℃, please adjust rated torque and maximum torque as detailed in the table below.
The operational temperature range for XGT is -20℃~80℃. For more detailed information, please refer to Selection Guidelines [PDF 171KB].
**Moment of inertia and mass figures based on maximum bore dimensions.
| Air Temperature | -20℃~30℃ | 30℃~40℃ | 40℃~60℃ | 60℃~80℃ |
|---|---|---|---|---|
| Temperature Correction Factor | 1.00 | 0.80 | 0.70 | 0.55 |
| Catalog Number |
RoHS | Stock Bores D1·D2 |
|---|---|---|
| XGT-15C | Compliant | |
| XGT-19C | Compliant | |
| XGT-25C | Compliant | |
| XGT-30C | Compliant | |
| XGT-34C | Compliant | |
| XGT-39C | Compliant | |
| XGT-44C | Compliant | |
| XGT-56C | Compliant |
●All products come with cap screws.
●Recommended tolerance for shaft diameters is h6 and h7.
●Bore and keyway modifications are available on request. Please take advantage of our bore modification services.
For more information please refer to Custom Bore Modifications [PDF 495KB].