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Dialysis pump with maintenance-free bearings

Profile

  • What was needed: Spherical bearings for use in a dialysis pump
  • Requirements: Long service life, temperature resistance, minimised maintenance, lubrication-free
  • Application area: Medical technology, fluid technology
The Japanese company Iwaki is one of the world's leading manufacturers of chemical pumps and flow control devices. Its strength lies in the production of various models in small batch sizes, which makes it possible to fulfil the requirements of a wide range of industrial sectors. The products also include wobble piston pumps, which can be found in many laboratory applications and especially in dialysis machines thanks to their high dosing accuracy for viscous media with low pulsation.
Dialysis machine from Iwaki Co. Ltd.

Problem

Iwaki originally used metal spherical bearings in its dialysis pumps, which made constant relubrication necessary. The developers were therefore looking for a long-lasting, disruption-free alternative that would minimise maintenance costs.

Solution

With igubal spherical bearings, which do not require any lubrication, the perfect solution was found. To determine whether the use of the plastic bearings is worthwhile, Iwaki carried out a test in which the pump equipped with igubal was moved for 10,000 hours in a temperature cycle from -10 to +60 degrees - with satisfactory results. The pumps have been operating reliably and without disruptions for over 7 years.

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Our spherical bearings

All the important information relating to our igubal spherical bearings at a glance: Standard and special parts, new products, laboratory tests and more
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Les termes "igus", "Apiro", "chainflex", "CFRIP", "conprotect", "CTD", "drylin", "dry-tech", "dryspin", "easy chain", "e-chain", "e-chain systems", "e-ketten", "e-kettensysteme", "e-skin", "e-spool", "flizz", "ibow", "igear", "iglidur", "igubal", "kineKIT", "manus", "motion plastics", "pikchain", "plastics for longer life", "readychain", "readycable", "ReBeL", "speedigus", "triflex", "robolink", "xirodur" et "xiros" sont des marques protégées de la société igus en République fédérale d'Allemagne et le cas échéant à niveau international.

La société igus signale qu'elle ne vend pas de produits des sociétés Allen Bradley, B&R, Baumüller, Beckhoff, Lahr, Control Techniques, Danaher Motion, ELAU, FAGOR, FANUC, Festo, Heidenhain, Jetter, Lenze, LinMot, LTi DRiVES, Mitsubishi, NUM, Parker, Bosch Rexroth, SEW, Siemens, Stöber ni de tous les autres fabricants de câbles confectionnés pour moteurs indiqués sur ce site Web. Les produits proposés par igus® France sont des produits de la société igus, réservés aux professionnels.