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  2. drylin® linear drive technology
  3. Linear axes with lead screw drive
  4. SHT linear modules
  5. SHT stainless steel linear modules

SHT drylin® stainless steel linear modules

Robust, corrosion-free and resistant to chemicals

Wherever lubrication must be dispensed with and where 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.

Tech up

Tech up with igus drive technology
  • 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

The installation sizes of the SHT-ES stainless steel linear modules

Stainless steel linear module drylin SHT installation size 08

SHT-ES-08

  • Carriage length: 65mm
  • Maximum stroke length: 300mm
  • Shaft diameter: 8mm
Stainless steel linear module - drylin SHT installation size 12

SHT-ES-12

  • Carriage length: 85mm
  • Maximum stroke length: 750mm
  • Shaft diameter: 12mm
Stainless steel linear module - drylin SHT installation size 20

SHT-ES-20

  • Carriage length: 130mm
  • Maximum stroke length: 1,000mm
  • Shaft diameter: 20mm
Stainless steel linear module - drylin SHT installation size 30

SHT-ES-30

  • Carriage length: 180mm
  • Maximum stroke length: 1500mm
  • Shaft diameter: 30mm

Technical options for the SHT series

The following options can be configured directly online for the SHT product range.

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

drylin® technical accessories - control elements

  • Accessories for manual positioning and format adjustment
  • Assembly and fastening options
  • Stepper and DC motors for electrical drive
Go to accessories
Accessories for drylin linear modules and linear axes

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

Customer application examples

Overview of SHT linear modules

The terms "Apiro", "AutoChain", "CFRIP", "chainflex", "chainge", "chains for cranes", "ConProtect", "cradle-chain", "CTD", "drygear", "drylin", "dryspin", "dry-tech", "dryway", "easy chain", "e-chain", "e-chain systems", "e-ketten", "e-kettensysteme", "e-loop", "energy chain", "energy chain systems", "enjoyneering", "e-skin", "e-spool", "fixflex", "flizz", "i.Cee", "ibow", "igear", "iglidur", "igubal", "igumid", "igus", "igus improves what moves", "igus:bike", "igusGO", "igutex", "iguverse", "iguversum", "kineKIT", "kopla", "manus", "motion plastics", "motion polymers", "motionary", "plastics for longer life", "print2mold", "Rawbot", "RBTX", "RCYL", "readycable", "readychain", "ReBeL", "ReCyycle", "reguse", "robolink", "Rohbot", "savfe", "speedigus", "superwise", "take the dryway", "tribofilament", "tribotape", "triflex", "twisterchain", "when it moves, igus improves", "xirodur", "xiros" and "yes" are legally protected trademarks of the igus® GmbH/ Cologne in the Federal Republic of Germany and where applicable in some foreign countries. This is a non-exhaustive list of trademarks (e.g. pending trademark applications or registered trademarks) of igus GmbH or affiliated companies of igus in Germany, the European Union, the USA and/or other countries or jurisdictions.

igus® GmbH points out that it does not sell any products of the companies 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 and all other drive manufacturers mention on this website. The products offered by igus® are those of igus® GmbH