Sakai
Sakai LCD-T7 Series Precision Spring Coupling
Manufacturer: Sakai Manufacturing Co., Ltd.
Model: LCD-T7 Series
Feature
- Taper clamp specifications. Shaft fastening is possible with small tightening torque.
Specifications
(Dimensions: mm)
| Model number | d | A | E | P | L | LL | S | T | J | G | M |
|---|---|---|---|---|---|---|---|---|---|---|---|
| LCD-65T7 | 14~20 | 65 | 47 | 26 | 80 | 86 | 40 | 38 | 28 | 24 | M4 |
| LCD-80T7 | 16~35 | 80 | 60 | 36 | 91 | 98 | 45.5 | 39 | 33 | 25 | M4/M5 |
| LCD-90T7 | 18~35 | 90 | 65 | 37 | 104 | 111 | 52 | 54 | 35 | 34 | M4/M5 |
| LCD-100T7 | 22~40 | 100 | 74 | 41 | 111 | 118 | 55.5 | 57 | 37 | 37 | M5 |
| LCD-125T7 | 32~42 | 125 | 86 | 51 | 132 | 139 | 66 | 71 | 43.5 | 45 | M5 |
| LCD-155T7 | 45~60 | 155 | 108 | 61 | 156 | 164 | 78 | 84 | 51 | 54 | M6 |
| Model number | Allowable torque N・m | Allowable eccentricity mm | Allowable deviation angle ° | Allowable axial displacement mm | Maximum rotation speed min-1 | Torsional stiffness | Axial spring constant N/mm | Moment of inertia kg・m2 | Mass kg | |
|---|---|---|---|---|---|---|---|---|---|---|
| Overall N・m/rad | Leaf spring only N・m/rad | |||||||||
| LCD-65T7 | 40 | 0.32 | 1.0 | ±0.93 | 10000 | 2.94×104 | 6.50×104 | 62 | 3.80×10-4 | 0.89 |
| LCD-80T7 | 80 | 0.33 | 1.0 | ±1.15 | 10000 | 5.88×104 | 1.02×105 | 37 | 9.11×10-4 | 1.30 |
| LCD-90T7 | 180 | 0.45 | 1.0 | ±1.27 | 10000 | 8.82×104 | 1.95×105 | 45 | 1.76×10-3 | 2.01 |
| LCD-100T7 | 250 | 0.47 | 1.0 | ±1.43 | 10000 | 1.18×105 | 3.30×105 | 53 | 2.93×10-3 | 2.69 |
| LCD-125T7 | 400 | 0.58 | 1.0 | ±1.79 | 10000 | 2.06×105 | 6.50×105 | 42 | 8.32×10-3 | 5.15 |
| LCD-155T7 | 800 | 0.70 | 1.0 | ±2.25 | 10000 | 3.23×105 | 1.15×106 | 29 | 2.35×10-2 | 9.15 |
Standard Shaft Hole Diameter
(Unit: mm)
| Model number | d | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 14 | 15 | 16 | 17 | 18 | 19 | 20 | 22 | 24 | 25 | 28 | 30 | 32 | 35 | 38 | 40 | 42 | 45 | 48 | 50 | 55 | 60 | |
| LCD-65T7 | ● | ● | ● | ● | ● | ● | ● | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| LCD-80T7 | – | – | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | – | – | – | – | – | – | – | – |
| LCD-90T7 | – | – | – | – | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | – | – | – | – | – | – | – | – |
| LCD-100T7 | – | – | – | – | – | – | – | ● | ● | ● | ● | ● | ● | ● | ● | ● | – | – | – | – | – | |
| LCD-125T7 | – | – | – | – | – | – | – | – | – | – | – | – | ● | ● | ● | ● | ● | – | – | – | – | |
| LCD-155T7 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ● | ● | ● | ● | ● |
- LCD-125T7 and LCD-155T7 are semi-standard products (delivery time confirmed).
- The allowable radial direction displacement represents the case the eccentricity and tilt angle are zero.
- The eccentricity and tilt angle act simultaneously. The system restricts the allowable tilt angle. Insert the shaft up to the marking line J correctly.
- The moment of inertia and mass represent the maximum shaft hole diameter.
- The recommended shaft tolerance is h6, corresponding to a tolerance of 0 to 0.010 for a shaft diameter of 35 mm.
- The maximum rotational speed does not account for dynamic balance.
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