German PAGUFLEX coupling PAGUFLEX model PAGUFLEX price

PAGUFLEX coupling is a widely used coupling, also known as a jaw coupling, consisting of two metal jaw hubs and an elastomer. The two metal jaw hubs are generally made of 45 steel, but aluminum alloy is also used when load sensitivity is required.

PAGUFLEX coupling features

1) One-piece molded metal elastomer; 2) Zero backlash, capable of synchronous operation; 3) Elastic action compensates for radial, angular, and axial misalignment; 4) High torsional stiffness and excellent sensitivity; 5) Identical rotational characteristics in clockwise and counter-clockwise directions; 6) Maintenance-free, oil-resistant and corrosion-resistant; 7) Available in aluminum alloy and stainless steel materials; 8) Main fixation methods are set screw and clamping.

PAGUFLEX coupling application range

Elastic couplings are made of aluminum alloy, and some manufacturers also offer elastic couplings made of stainless steel. In addition to corrosion resistance, stainless steel elastic couplings also increase torque capacity and rigidity, even reaching twice that of similar aluminum alloy products. However, this increased torque and rigidity are offset to some extent by the increased mass and inertia. Sometimes the negative effects outweigh the advantages, forcing users to seek other types of couplings.

PAGUFLEX coupling installation and fixation

1) Elastic coupling set screw fixation: Two set screws with a gap of 90º tighten against the shaft to be fixed. This is a traditional fixation method; since the tip of the screw contacts the shaft center, it may cause damage to the shaft center or make disassembly difficult. 2) Lingsi elastic coupling clamping screw fixation: Uses the tightening force of hexagon socket head cap screws to contract the slit, thereby firmly clamping the shaft center. This method is convenient for fixation and disassembly, does not damage the shaft center, and is a commonly used fixation method. 3) Elastic coupling keyway fixation: Suitable for high-torque transmission. To prevent axial slippage, it is usually used in combination with set screw fixation and clamping screw fixation. 4) Elastic coupling D-shaped hole fixation: Typically, if the motor shaft is D-shaped, and set screws cannot provide secure fixation, the coupling bore can be machined into a D-shaped hole matching the motor shaft size. Used in conjunction with set screw fixation, this prevents slippage. 5) Clamping hub fixation: Tightens the four set screws on the end face of the Lingsi coupling to compress the clamping hub for secure fixation. Suitable for connecting and fixing high-torque stepper motors and servo motors, such as clamping hub disc couplings, clamping hub jaw couplings, clamping hub bellows couplings, and clamping hub elastic couplings.

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