PI Korea

Seoul, 
Korea (South)
http://www.pikorea.co.kr
  • Booth: A168


PI Korea offers precision motion & positioning solutions.

PI stands for peak technical performance and is considered a global market and technology leader in the field of precision positioning technology with accuracies down to nanometers. PI offers a technological spectrum and a vertical production range that are beyond competition worldwide. Our most important concern is to continually inspire our customers with advanced positioning solutions in the fields of motion and positioning.


 Press Releases

  • The new linear stages in the L-505 series   PI (Physik Instrumente) offer precision and high load capacity on a compact installation space. This opens up new possibilities for positioning tasks in industrial environments.
    Positioning systems that not only work very precisely but that are also suitable for higher loads while requiring little installation space are sought after in medical technology, biomedical engineering, or when aligning components in the laser and photonics industries, in micro assembly, and even when handling parts in industrial automation.
    With the L-505 series, PI now has compact linear stages in its portfolio that can be loaded to 30 N and that are available in two space-saving dimensions: A 36 mm narrow, elongated version with direct fixed drive and a 60 mm wide, shorter version with folded drivetrain.
    These compact linear stages are offered either with a DC motor or a stepper motor and with or without gearhead: The ball screw ensures an optimized continuous operation at higher speed for the folded DC versions without gearhead. In addition, play and stick-slip effects are avoided. The versions with gearhead are suitable for applications with high loads and lower speeds.
    Since the guide rails of the preloaded, four-row ball guides of the series are directly cut into the base body and into the motion platform, they achieve high load capacity and high stiffness while providing a smooth and even running.
    The linear stages of the L-505 series work with travel ranges of 13 or 26 mm, reach velocities up to 15 mm/s, and offer a bidirectional repeatability up to +-0.15 μm. Reference and limit switches are designed as Hall sensors. The DC versions have an incremental optical linear encoder as standard, while for the stepper motor versions this is optionally available. The linear encoders measure the position directly at the platform; nonlinearity, mechanical play, or elastic deformation have, therefore, no influence on position measuring.
    If required, it is easily possible to combine the linear stages to XY or XYZ stacks.

 Products

  • V-508 PIMag® Magnetic Direct Drives
    - Travel ranges 80, 170, and 250 mm - Ironless or iron core linear motor - Incremental or absolute linear encoder, various resolutions - Compact cross section: 80 mm × 25 mm - Crossed roller guides for high load capacity...

  • 1. Flexible adaption
    The construction allows flexible adaption to the requirements. Technically sophisticated and cost-critical applications can be equally served with different travel ranges, drives, and measuring systems. XY assemblies are also possible

    2. Crossed roller guide
    With crossed roller guides, the point contact of the balls in ball guides is replaced by line contact of the hardened rollers. Consequently, they are considerably stiffer and need less preload, which reduces friction and allows smoother running. Crossed roller guides are also distinguished by high guiding accuracy and load capacity. Force-guided rolling element cages prevent cage creep.

    3. PIMag® magnetic direct drive
    3-phase magnetic direct drives do not use mechanical components in the drivetrain, they transmit the drive force to the motion platform directly and without friction. The drives reach high velocities and accelerations.
    Ironless motors are particularly suitable for positioning tasks with the highest demands on precision because there is no undesirable interaction with the permanent magnets. This allows smooth running even at the lowest velocities and at the same time, there is no vibration at high velocities. Nonlinearity in control behavior is avoided and any position can be controlled easily. The drive force can be set freely.
    Iron core motors are used when forces and accelerations need to be achieved in a limited installation space. The design with iron cores maximizes the magnetic forces and ensures high thermal stability of the drive.

    4. Direct position measurement
    Position measuring takes place directly at the motion platform with the highest accuracy so that nonlinearity, mechanical play or elastic deformation have no influence on position measuring.

    Application fields
    Industry and research. Measuring technology, photonics and precision scanning in semiconductor or medicine technology

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