Linear technology

Portal robot with linear guides

Linear technology is a technical sub-discipline of drive technology ; it deals with mechanical components or mechatronic systems for performing translative movements .

Linear guides and drives are characterized by running with low friction and the ability to absorb transverse forces without being significantly deformed.

Linear systems are used in various technical systems such as building technology (sliding doors, sliding windows, ventilation flaps, skylights etc.), in mechanical engineering (infeed and feed movements), in handling systems (storage systems, equipping) and in rail vehicles with linear motors ( Transrapid, certain subways, roller coasters).

Linear guide

Dovetail groove as a component of a linear guide on a machine tool

Profile rail guide

The cage rail guide is a roller guide

→ Main article : linear guide

The guide systems , also called linear guides , can be divided into sliding guides and roller guides.

• Linear sliding guides are usually based on several guide elements (e.g. guide rails ) or, in the simplest case - for example in a wooden drawer - on a tongue and groove system in which the tongue and groove are milled into the material .
• Rolling guides are based on the principle of the circulation of rolling elements between two moving guide elements. As in rolling bearings, balls, rollers, needles or other rolling elements are used as rolling elements, which are usually kept separated from one another by a rolling element cage . Guides with ball-bearing rollers are also guided by roller bearings.

Linear drives

This article or section consists mainly of lists, which should be replaced by running text . Please help Wikipedia improve this. More about is here to find.

Double acting drive cylinder

Rack and pinion drive

Linear drives are drive systems that generate linear movement. The linear drives include, among others

• Spindle drives , helical gears
  • Ball screw drive ( ball screw )
  • Roller screw drive with roller return
  • Planetary roller screw drives
  • Trapezoidal screw
  • High helix screws
  • Hydrostatic screw drives
• Linear motors
• Pneumatic cylinder
• Hydraulic cylinder
• Rack and pinion drives
• Scotch-Yoke crank drives ( crank loop )
• Cam

See also : drive , actuator and actuator system

• 

  Scotch-Yoke crank drive

• 

  Gas spring

Linear positioning and handling systems

This article or section consists mainly of lists, which should be replaced by running text . Please help Wikipedia improve this. More about is here to find.

Uniaxial linear table

• Single-axis systems, for example profile rail slides and other linear tables, also called linear slides
• Two-axis systems, for example cross tables
• Multi-axis systems such as
  • Portal systems
    • Portal systems
      • Potting systems
    • Coordinate measuring machines
    • Portal robot
  • Handling equipment u. a. for assembly
  • Etc.

See also : reference system

Lifting and adjustment systems (linear actuators)

This article or section consists mainly of lists, which should be replaced by running text . Please help Wikipedia improve this. More about is here to find.

• Electromechanical lifting cylinders
• Electromechanical lifting columns (also called telescopic columns or telescopic drive )
• Electromechanical chain drives
• Actuators for control valves

See also

• Circuit symbols for electromechanical drives: List of circuit symbols (electrics / electronics) - Circuit symbols for electromechanical drives
• Linear and linearity