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Manual Drives, 1/4" Differential Adjuster
商品货号:ECS000580
商品品牌:Thorlabs
详细介绍
  • Fine Adjustment
    • 250µm Range
    • 25µm / Rev.
  • Coarse Adjustment
    • 0.72" Long 1/4"-80 Threads
    • 0.012" / Rev. (80TPI)

The DM22 differential adjuster uses two internal lead screws; one pushes the center spindle forward at 400µm per revolution and one pulls it back at 375µm per revolution. The resultant total forward motion of the center spindle is just 25µm for one complete revolution of the graduated knob. Each small graduation of the fine control knob is 0.5µm; the smallest incremental move for the DM22 is approximately 50nm. When performing fine adjustment the coarse adjustment mechanism can be locked by means of a small locking collar.

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