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In medical technology, metallic lead screw nuts continue to be the norm. However, they mostly require frequent maintenance and lubrication. In this process, dust and dirt particles can easily stick to the used lubrication. This leads to considerable contamination and a significantly higher wear compared to a system that works in dry operation. Furthermore, the metallic lead screw nuts can corrode quickly in humid environments.
The lubrication-free and maintenance-free drylin lead screw technology is used in medical technology and convinces due to its many advantages. It is absolutely free from lubrication and maintenance and can also be used in corrosive environments without problems.
Metal lead screw nuts are more expensive than their plastic counterparts. If you replace your metal lead screw nuts with dryspin technology, with the same connection sizes, you can save up to 50.9% acquisition costs. Tests have revealed that the wear rate is reduced by up to 25% and service life increased by 30%.
Cost down
► Up to 50.9% more cost-effective than metallic sliding thread nuts
► Up to 69% compared to similar plastic thread nuts
► Up to 50% compared to ball screw thread systems*
*Due to a deviating thread profile, lead screw & nut must always be replaced, even for the same thread size
► Available in six different materials
► Very different designs
► Save up to 50.9% in costs
► Available in four different materials
► High helix thread, trapezoidal thread and metric threads
► Up to 30% longer service life
► Special designs for every application
► Accessories for lead screw nuts and lead screws
► Our experts are happy to advise you in person
To reduce the unwanted axial clearance, in addition to the correct choice of material, a pretension mechanism has proven to be an effective measure. For our dryspin® high helix threads and trapezoidal threads there are three versions with pretension:
► Zero-backlash lead screw nuts
► Low-clearance lead screw nuts
► AB lead screw nuts
Medical applications have to meet high requirements, such as cleanroom compatibility, media resistance etc. Therefore, costs for the required small parts are high.
dryspin technology convinces in any comparison of prices. It not only distinguishes itself due to its several technical advantages over its metallic counterpart, but is also 50.9% more cost-effective.
The expert can quickly help engineers find the right lead screw system part for their application and will also predict service life.
The configurator enables engineers to quickly find the right lead screw and machine the pins from both sides. The application generates a dimensioned drawing of the configuration.
Your own lead screw drive with the most important information for medical technology at a glance:
► Free from lubrication and maintenance
► Higher efficiency and longer service life
► Resistant to media
► Quiet, vibration-free operation due to rounded tooth geometry
► Service life predictable online
► What was needed?
a clean bottling that was not sterile, but very clean, and a low overall weight of the system
► Requirements?
cleanroom compatibility, freedom from lubrication and maintenance, low weight, precision, fast availability
► Material?
trapezoidal lead screw nut made of iglidur W300, trapezoidal lead screw made of the material 1.4301, drylin miniature guides
► Industry? medical technology
► What was needed?
an impeccable application of igus products without development of dirt as well as high efficiency and a fast feed
►Requirements?
suitable for hygiene-sensitive areas, lubrication-free, maintenance-free, low coefficient of friction, high pitch, space-saving, quick and easy to replace, lightweight, precise, quickly available, cost-saving
► Material?
drylin trapezoidal lead screw made of stainless steel 1.403 and drylin trapezoidal lead screw nut made of iglidur high-performance polymer
► Industry? medical technology
►What was needed?
a simple installation of the parts, low maintenance effort and the best MRI compatibility
► Requirements?
no impairment of quality, freedom from maintenance, low weight, precision, easy assembly
► Material?
iglidur H1 bearings, drylin trapezoidal lead screws, iglidur L280, drylin R linear plain bearings
► Industry? medical technology