Linear Screw Actuators With Low-Profile Guide Rails

drylin® SLW/SAW

design_servicesApplication Examples Browse the Shop priority_highBrowse Lead Screw Actuators With Shafts

drylin® SLW/SAW are lead screw-driven actuators equipped with fully-supported guide rails, offering more rigidity and resistance to twisting than shaft-guided actuators, like our SHT product line. They are high-performance, low-cost, low profile and highly flexible, and therefore are some of our most popular actuator series.

The drylin® SLW linear actuator product range is characterized by its stable aluminum dual shaft rails and many carriage versions. These linear actuators are ideal for manual format adjustments, but can also be fitted with a motor to make electrical adjustments. They have high flexural strength and are flat, compact, and fully supported. The hard-anodized aluminum rails are available in five installation sizes. The shaft end supports are made of chrome-plated zinc, with a special version with shaft ends made of hard anodized aluminum available upon request (SLW-AL). The stainless steel version comes with corrosion-resistant steel components (1.4305 or 1.4571), and you can choose from bearing materials iglide J, iglide X, or iglide A180.

Benefits:

Fully supported rails for torsion-resistance
Lower cost than ball bearing actuators
Low-profile and low-weight
Grease-free & corrosion-resistant
Highly flexible, with many accessories and materials
Motors and drive controls available

Typical Applications:

Packaging machine format and lane adjustments
Lab machinery
CNC Machine Gantries

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Shop Linear Screw Actuators with Guide Rails

SLW - Low Cost and Compact

Suited for applications under 100RPM
Ideal for manual positioning
High Axial Load Capacity
Available in 300 series SS housings, blocks & rails

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SLWE-BB - Low-Profile Motorized Applications

Up to 1,500RPM (depending on load and length)
Adjustable low-clearance linear bearings
Suitable for continuous operation and higher dynamics.

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SAW - For Motorized Applications

Higher profile for better motor alignment
Ball bearing lead screw supports
For speeds up to 1,500rpm
Carries axial loads from 6 lb to 34 lbs

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SLWE-PL - Reduced Axial and Radial Clearance

Features pre-loaded nut to remove axial play
Optimizable radial clearance
Quiet with reduced lead screw vibration

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SLW - XY table

Compact, modular, and flexible
Suitable for controlled positioning use
Available in 300 series SS housings, blocks & rails

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SLWM - with measuring system

Space-saving sensor integration
Battery-operated
For Accurate, repeatable positioning

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SLWS - with High Helix Lead Screws

Multiple high-pitch leads available
For faster format adjustments
Ideal for applications under 100RPM

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SLW-PT - with Protected/Covered Lead Screw

Multiple lead screws available
Low-profile and compact
Ideal for dirty environments

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SLWT - Twin Lead Screw

Separate carriage adjustment
Ideal for format adjustments
Multiple lead screw leads available

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Applications for drylin SLW linear actuators

Heavy things become easy, positioning with no maintenance

In the filling systems of Fricke Abfülltechnik GmbH & Co. KG, a drylin SLW linear axis ensures that the 80 kg filling head can be easily positioned over the container.

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SLW linear unit with spindle drive in medical technology

Sasyaka Engineering Services Pvt Ltd uses a linear module with spindle drive from the drylin SLW range for a conveyor belt for the pharmaceutical sector. The absence of external lubricants and the fine adjustment of the linear module gave the linear axis system from igus the contract.

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Level packing and lamination

10,000 siliconized paper strips per hour - with the drylin SLW linear unit

Bernhardt Maschinenbau oHG opted for the folding and gluing machine for the SLW linear unit. The machine manufacturer wanted a self-lubricating and maintenance-free linear axis system with a long service life. The drylin SLW linear unit fulfills every requirement.

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