The new pitches from igus supplement the dryspin® high helix lead screw range. For the new screw sizes 6.35x2.54 LH, 12.7x12.7 as well as 10x3, 16x10, 20x5 and 5x10, dryspin now offers the matching high helix lead screws as well as high helix lead lead screw nuts.
With optimised threads, high efficiency, rounded thread flanks for vibration-free/quiet operation and asymmetrical threads for a long service life, dryspin high helix threads are a cost-effective technological alternative.
Test duration: 150,000 cycles
1. Competitors' geometry 10x3 / PET + PTFE
2. TR10x3/AISI 304 iglidur® J/injection moulding
DS10x3/AISI 304 iglidur® J/injection moulding
The evaluation of the wear test for the product with the dimensions 10x3 made of stainless steel showed that our dryspin® thread Ds10x3 can achieve a wear rate up to 25% lower, a service life up to 25% longer and greater efficiency compared to the competition and the trapezoidal thread Tr10x3 .
The patented dryspin high helix thread technology was developed by igus in 2015 and offers numerous advantages compared to conventional high helix threads. Due to the flat thread angle, they convert the exerted power efficiently into a translational movement.
With features and shapes matching the plastic nut and lead screw, dryspin thereby provides an even longer service life and more efficiency for high helix threads. Due to the rounded tooth geometry, the contact area between lead screw and nut is reduced, and the lead systems operate quietly and without vibration under load.
The larger spaces between the individual dryspin threads result in a higher share (factor 1.3) of tribologically optimised polymer in the threads. More wear-resistant material and higher levels of efficiency are crucial for a service life that is up to five times longer compared to conventional high helix threads.
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