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Polyurethane Timing Belts - BRECOflex CO., LLC

Polyurethane Timing Belts - BRECOflex CO., LLC

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POLYURETHANE TIMING BELTS<br />

Strength and Flexibility<br />

The timing belt strength and spring rate is determined by the tension member construction and<br />

placement. <strong>BRE<strong>CO</strong>flex</strong> <strong>CO</strong>., L.L.C. utilizes an advanced tension member construction with many small<br />

diameter filaments to achieve a strong and flexible timing belt. Competitive designs are stiffer and are<br />

more prone to fatigue of the tension members, resulting in reduced service life.<br />

The tension member construction also greatly influences the tooth shear strength and the power that can<br />

be transmitted. The <strong>BRE<strong>CO</strong>flex</strong> <strong>CO</strong>., L.L.C. design allows the urethane to fully bond all strands within a<br />

tension member cord. Competitive designs only encapsulate the outer layer of the tension member,<br />

leaving voids at the inner section of the cord. Comparative bonding pull tests have shown that <strong>BRE<strong>CO</strong>flex</strong><br />

<strong>CO</strong>., L.L.C. timing belts achieve up to 40% higher bonding strength.<br />

Tension Member Cross Sections and Bonding Characteristics<br />

<strong>BRE<strong>CO</strong>flex</strong> <strong>CO</strong>., L.L.C.<br />

Competition<br />

Tension Member<br />

Cross Section<br />

Tension Member<br />

Cross Section<br />

No Internal<br />

<strong>Polyurethane</strong><br />

Penetration<br />

Complete<br />

<strong>Polyurethane</strong><br />

Penetration<br />

Only Surface<br />

<strong>Polyurethane</strong><br />

Penetration<br />

<strong>Polyurethane</strong><br />

<strong>Polyurethane</strong><br />

Tension<br />

Member<br />

Tension<br />

Member<br />

154<br />

Toll Free: 1-888-463-1400 • Fax: 732-542-6725 • Website: www.brecoflex.com

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