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drylin® SHT stainless steel linear actuators

Robust, corrosion-free and resistant to chemicals

Wherever lubrication must be dispensed with and machine components contact food, strong cleaning agents, or even chemicals, stainless steel is necessary. To minimise maintenance and cleaning effort, igus has developed linear modules and linear axes for just this scenario – drylin® linear axes made of stainless steel.


 
Typical application areas:

  • Food and bottling industry
  • Yacht building
  • Chemical industry
  • Medical technology
  • Packaging industry
  • Vending machinery


Stainless steel linear axis with drylin SHT lead screw drive from igus

Tech up

Tech up with igus drive technology

  • Maximum stroke length: 1,000mm
  • Available in 4 installation sizes
  • Individually configurable
  • Resistant to chemicals
  • Robust design
  • With corrosion-resistant steel components AISI 303, AISI 316 and AISI 316Ti
  • Choice of plain bearings: iglidur® J = Standard; iglidur® A180 = FDA-compliant;
    glidur® X = High temperature


Configured, designed and ordered in just a few minutes

  • SHT stainless steel linear axis in any required length
  • Single and multi-carriage system
  • Optional configuration of an individual drive pin
  • Automatic generation of a 3D model of the linear system
  • Export linear axis in many different 2D and 3D formats
  • 2D dimensional drawing of the module as a PDF
  • Complete parts list available as PDF download
  • And many more

Configure SHT linear axis
Configure linear axes with lead screw drive from igus online

More stainless steel linear axes

Stainless steel SHT linear axis with lead screw drive

SHT - Hygienic design

  • FDA-compliant
  • For washdown
  • Wide gaps

Buy FDA-compliant linear axis
Stainless steel linear axis with lead screw drive

SLW-ES - Corrosion-free stainless steel version

  • Selectable plain bearing material
  • FDA-compliant with iglidur A180 plain bearing
  • High temperature iglidur X bearing, works in up to +250 °C

Buy corrosion-resistant linear axis
Lead screw axes with motor

ZLW stainless steel linear axis

  • Flat system height of 40mm
  • Stroke lengths up to 2000mm
  • Corrosion-resistant due to 304 stainless steel and 316 stainless steel

Go to stainless steel linear axes with toothed belt

Not all stainless steels are the same


Hardened stainless steel

Linear axis guides of hardened stainless steel are usually offered in combination with recirculating ball bearing systems and roller bearing guides. The guide system's metal balls require a strong running surface to prevent them from creating grooves. Hardened stainless steel such as AISI 420C, AISI 440B and AISI 440C has a relatively high carbon content (more than 0.5%), which is necessary for hardening in the first place. This means that hardened stainless steel is only somewhat corrosion-resistant. The necessary lubrication for recirculating ball bearing systems and roller bearing guides entails a danger of contaminating products, which is undesirable in many areas.

Non-hardened stainless steel

Non-hardened stainless steel has a lower carbon content and inferior hardness, but is much more resistant to corrosion and aggressive cleaning agents and chemicals. Because recirculating ball bearing systems and roller bearing guides are not as well suited to moving on non-hardened stainless steel, a plain bearing system is used. The force exerted at particular points on the rail material is changed to area force. The load on the linear rail is distributed across a greater area, avoiding material wear.


The principle: "sliding instead of rolling"

The advantages of plain bearing liners over a recirculating ball bearing system

The high-performance polymer plain bearing liners used by igus need no lubrication or maintenance and are ideal partners for stainless steel linear modules. The combination of plain bearing system and stainless steel linear axis is used in certain applications because of the advantages of linear drive systems.

Plain bearing materials for stainless steel linear axes from igus

drylin® lead screw stepper motors for linear axes

For motorised lead screw drive of the linear module, igus offers powerful lead screw stepper motors. The motors are available in three installation sizes: NEMA11, NEMA17 and NEMA23. The combination with a dryspin lead screw guarantees precise centring and a long service life of the entire linear module.

  • Three installation sizes with or without strand
  • Available ready to connect
  • With or without encoder

More about lead screw stepper motors
drylin E lead screw stepper motors

Customer application examples



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