Linear Unit CTJ 145

The CTJ series includes linear units with a toothed belt drive and two parallel, integrated, zero-backlash rail guides. In the linear units CTJ is used 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.

The in the profile slot driving timing belt, protects all the parts in the profile from dust and other contaminations. Re-lubrication can be done through maintenance holes on the side of the profile.

For CAD-files please contact Rollco.

Dimensions in mm.
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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%
Linear_Units_CT_and_MT_Product_Overview.pdf
Order_Code_CTJ.pdf
Technical_Data_CTJ.pdf
Calculation Tool
Designation Select all Lead Time * Carriage Length Lv 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
2 180 1500 Nm 260 Nm 520 Nm 34200 N 60000 N 8930 N 15320 N 674 Nm 260 Nm 180 Nm 1,35 kg ± 0,08 6000 5795 55
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2 240 3005 Nm 3420 Nm 3420 Nm 68400 N 120000 N 17870 N 30640 N 1200 Nm 1700 Nm 893 Nm 2,25 kg ± 0,08 6000 5735 55
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*Green: Stock item, normally immediate shipment. Blue: Contact us for delivery time.

Designation Select all Carriage version Dyn. Load Capacity C Stat. Load Capacity C0 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
S2 68400 N 120000 N 3000 Nm 34,2 * A (mm) Nm 34,2 * A (mm) Nm 17860 1350 15,3 * A (mm) 8,9 * A (mm)
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S2 68400 N 120000 N 3000 Nm 34,2 * A (mm) Nm 34,2 * A (mm) Nm 17860 1350 15,3 * A (mm) 8,9 * A (mm)
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Designation Select all Max travel speed No load torque Pulley drive ratio Pulley diameter Belt type Belt width Max. force transmitted by belt Specific spring constant Cspec Max. drive torque Min. stroke Planar moment of inertia ly cm⁴ Planar moment of inertia lz cm⁴
6 m/s 1,48 Nm 165 mm/rev 52.52 AT 5 70 1280 N 1360000 N 33,6 Nm 55 78.90 707.60
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6 m/s 1,5 Nm 165 mm/rev 52.52 AT 5 70 1280 N 1360000 N 33,6 Nm 55 78.90 707.60
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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 No load torque
180 7,2 + 0,0127 * Stroke (mm) kg 145 + 0,0330 * Stroke (mm) 78.90 707.60 1,35 kg 1,48 Nm
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240 8,8 + 0,0127 * Stroke (mm) kg 208 + 0,0330 * Stroke (mm) 78.90 707.60 2,25 kg 1,5 Nm
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