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High Precision Shaft Coupling PWK

High Precision Shaft Coupling PWK
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Equipment PWK 15 – 30 High Precision Shaft Coupling PWK 15 – 30 Technical Information High precision shaft coupling Absolutely backlash-free Made in one piece – no movable internal parts Diameters concentrical Smooth bearing load PWK couplings compensate for: Shaft displacement up to 0.25 mm Angular displacement up to 5° Axial movements up to ± 0,25 mm Diameters 15 to 30 mm Borings for shaft mounting 3 – 12 mm Shaft mounting by set screws Maximum permissible torque up to 4 Nm Material: Aluminium (standard) Stainless steel (optional) L B1 B2 120° D Coupling Size Bore Diameter Diameter Length Rated Load Shock or Reversing Duty Load Maximum Permissible Torque mm Nm 345 456 6789 10 9 10 11 12 1) 2) 15 20 25 30 15 20 25 30 22 28 30 38 K D B1 / B2 L Tolerances: 1) + 0.05 2) – 0.00 ± 0.15 0.36 0.33 0.29 0.64 0.61 0.57 1.5 1.4 1.3 1.2 1.1 2.4 2.3 2.1 2 0.18 0.17 0.15 0.32 0.31 0.29 0.73 0.7 0.66 0.61 0.55 1.2 1.1 1.1 1 0.71 0.66 0.59 1.3 1.2 1.1 2.9 2.8 2.6 2.4 2.2 4.9 4.6 4.3 4 Ordering Code PWK 15 – 5 – 4 – S PWK 15, 20, 25, 30 3 to 12 (depending on size) 3 to 12 (depending on size) not specified = standard material Type Size K Bore diameter B1 B2 Optional: stainless steel S PWK / 09-1 GB

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