Linear Unit MRJ 110
The MRJ linear units have toothed belt drive and compact dimensions to provide high performance features such as high speed and good accuracy. For very high speeds, up to 10 m/s, the track rollers (journal bearings) of the type MRJ are particularly suitable.
The unit MRJ have a pre-tensioned steel reinforced AT polyurethane timing toothed belt.
In conjunction with a zero-backlash drive pulley high moments with alternating loads with good positioning accuracy, low wear and low noise can be realized.
All parts in the profile are protected from dust and other contaminations. As corrosion-resistant protection strip is available as option.
For CAD-files please contact Rollco.
Dimensions in mm.
The unit MRJ have a pre-tensioned steel reinforced AT polyurethane timing toothed belt.
In conjunction with a zero-backlash drive pulley high moments with alternating loads with good positioning accuracy, low wear and low noise can be realized.
All parts in the profile are protected from dust and other contaminations. As corrosion-resistant protection strip is available as option.
For CAD-files please contact Rollco.
Dimensions in mm.
Product Information
Modulus of elasticity: E = 70000 N / mm2
Operating temperature: 0°C ~ +60°C For operating temperature out of the presented range, please contact Rollco.
Duty cycle: 100%
| Designation | Select all | Lead Time * | Carriage Length Lv | Load capacity Cy | Load capacity Cz | Dynamic moments Mx | Dynamic moments My | Dynamic moments Mz | Dynamic Load Capacity C | Static Load Capacity C0 | Max. permissible loads Forces Fpy | Max. permissible loads Forces Fpz | Max. permissible loads Moments Mpx | Max. permissible loads Moments Mpy | Max. permissible loads Moments Mpz | Moved mass | Max. repeatability | Max length Lmax | Max. stroke | Min. stroke | ||
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2 | 330 | 31000 N | 14000 N | 406 Nm | 877 Nm | 2325 Nm | 31000 | 14000 | 6200 N | 3410 N | 99 Nm | 214 Nm | 465 Nm | 4,78 kg | ± 0,08 | 6000 | 5658 | 0 |
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* Green: Stock item, normally immediate shipment. Blue: Contact us for delivery time.
| Designation | Select all | Carriage version | Load Cap. Cy | Load Cap. Cz | Dynamic Moment Mx | Dynamic Moment My | Dynamic Moment Mz | Max perm. Loads Forces Fpy | Max perm. Loads Moments Mpx | Max perm. Loads Moments Mpy | Max perm. Loads Moments Mpz | ||
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L2 | 62000 N | 28000 N | 812 Nm | 14,0 * A (mm) Nm | 31,0 * A (mm) Nm | 12400 N | 198 Nm | 3,4 * A (mm) Nm | 6,2 * A (mm) Nm |
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| Designation | Select all | Max travel speed | Max. drive torque Ma | No load torque with strip | No load torque without strip | Pulley drive ratio | Pulley diameter | Belt type | Belt width | Max. force transmitted by belt | Specific spring constant Cspec | Min. stroke | Planar moment of inertia ly cm⁴ | Planar moment of inertia lz cm⁴ | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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10 m/s | 68,5 Nm with keyway 82,6 Nm without keyway | 1,8 Nm | 1,5 Nm | 300 mm/rev | 95,49 | AT 10 | 50 | 1730 N | 2145000 N | 0 | 513 | 620 |
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| Designation | Select all | Carriage Length Lv | Mass of linear unit | Mass moment of inertia (10⁻⁵ kg * m²) | Planar moment of inertia ly cm⁴ | Planar moment of inertia lz cm⁴ | Moved mass | ||
|---|---|---|---|---|---|---|---|---|---|
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330 | 16,3 + 0,0133 * Stroke (mm) kg | 1420,0 + 0,1370 * Stroke (mm) | 513 | 620 | 4,78 kg |
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Fixing System
The linear units are mounted by using fixtures placed in the slot on the side of the profile -
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Linear Unit MRJ 40
Toothed belt drive and compact dimensions, very high speeds up to 10 m/s w. track rollers -
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Toothed belt drive and compact dimensions, very high speeds up to 10 m/s w. track rollers -
Linear Unit MRJ 80
Toothed belt drive and compact dimensions, very high speeds up to 10 m/s w. track rollers -
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Linear Unit MTJ ECO 40
Toothed belt drive and a zero-backlash ball rail guide system, easy and accurate -
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