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Q-Motion® SpaceFAB

Q-Motion® SpaceFAB

Q-Motion® SpaceFAB

Product catalog summary

Overview: The document details the specifications and applications of the Q-845.140, a piezoelectric inertia drive system known for its high precision and stiffness. It is designed for use in various fields such as industry, research, measuring technology, microscopy, micromanipulation, biotechnology, and automation.

Piezoelectric Inertia Drive: This drive system utilizes a single piezoelectric actuator controlled by a modified sawtooth voltage. It offers high holding forces and virtually unlimited travel range, achieving velocities over 5 mm/s with an operating frequency up to 20 kHz.

Crossed Roller Bearings: These bearings replace ball bearings with line contact hardened rollers, providing increased stiffness, reduced friction, and high guiding accuracy.

Specifications:

  • Motion and Positioning: The system supports six degrees of freedom with travel ranges of ±7 mm in X and Y, ±5 mm in Z, and rotation ranges of ±7° in θX, θY, and ±8° in θZ. It features an incremental linear encoder with a sensor resolution of 1 nm.
  • Mechanical Properties: The system has a stiffness of 1 N/µm in X and Y, and 2 N/µm in Z. It supports a load capacity of 10 N and a holding force of up to 20 N.
  • Miscellaneous: The device operates within a temperature range of 0 to 40 °C and is constructed from stainless steel and aluminum.

Drawings and Images: The document includes bottom, side, and top views of the Q-845.140, with dimensions provided in millimeters.

Ordering Information: The Q-845.140 is available as a Q-Motion® SpaceFAB with specified travel and rotation ranges, load capacity, and vacuum compatibility.

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Catalog excerpts

Q-Motion® SpaceFAB-1

Q-Motion® SpaceFAB High Precision and High Stiffness Q-845  Six degrees of freedom  ±7 mm travel range in X and Y, and ±5 mm in Z  ±7° rotation range in θX, θY, and ±8° in θZ  10 N load capacity, center mounted  Self-locking, no heat generation at rest  Vacuum-compatible to 10-6 hPa Piezoelectric inertia drive Piezo inertia drives are space-saving and affordable piezo-based drives with relatively high holding forces and a virtually unlimited travel range. The inertia drive principle is based on a single piezoelectric actuator that is controlled with a modified sawtooth voltage provided by special drive electronics. The actuator expands slowly and moves the runner. Due to its inertia, the runner is unable to follow the subsequent fast contraction of the actuator and remains at its position. The operating frequency of up to 20 kHz enables directly driven runners to achieve velocities of more than 5 mm/s. Crossed roller bearings With crossed roller bearings, the point contact of the balls in ball bearings is replaced by a line contact of the hardened rollers. Consequently, they are considerably stiffer and need less preload, which reduces friction and allows smoother running. Crossed roller bearings are also distinguished by high guiding accuracy and load capacity. Force-guided rolling element cages prevent linear guide creeping. Industry and research. Measuring technology, microscopy, micromanipulation, biotechnology, and auto

 Open the catalog to page 1
Q-Motion® SpaceFAB-2

Technical data specified at 20±3 °C. Ask about custom designs! * The travel ranges of the individual coordinates (X, Y, Z, 0X, 0y, 0z) are interdependent. The data for each axis in this table shows its maximum travel range, where all other axes and the pivot point are at the reference position.

 Open the catalog to page 2
Q-Motion® SpaceFAB-3

Bottom and side view of the Q-845.140, dimensions in mm. The reference position corresponds to the center position of all axes

 Open the catalog to page 3
Q-Motion® SpaceFAB-4

motion platform reference position Top view of the Q-845.140, dimensions in mm. The reference position corresponds to the center position of all axes Ordering Information Q-845.140 Q-Motion® SpaceFAB, piezoelectric inertia drive, ±7 mm travel range in X und Y, ±5 mm travel range in Z, ±7° rotation range in 0x, 0y, ±8° rotation range in 0z, 10 N load capacity, vacuum-compatible to 10-6 hPa

 Open the catalog to page 4

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.