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Controls and Measurement
Crucible Indexer

The e-Vap® Crucible Indexer is a micro stepper controlled motor drive unit used to position and rotate a multi-hearth electron beam source. The crucible indexer will rotate and position up to eight pocket positions, additional eight preprogrammed configurations can be selected via dip switch settings at the back of the controller. These include: 4 pocket, 6 pocket, 2 pocket, 180° Banana, 3 pocket 90° Banana, 3 pocket 120° Banana, 3 pocket 135° Banana, 3 pocket 145° Banana, or Continuous 360° rotation. An additional dip switch lets the user select the following modes: Bi-Direction (shortest path between pockets), Counter Clockwise Rotation, UHV Source Type, High Speed Range, BCD I/O, and Enable Ethernet communications. In addition the indexer can be user configured for any pocket / banana crucible layout. The Indexer also eliminates mechanical adjustment of the home or 1st pocket location, the "home" position can be defined electronically. 

e-Vap® Crucible Indexer

The e-Vap® Crucible Indexer can be controlled either manually or remotely, it can be configured to interface with most deposition controller equipped to select pockets on a multi layer deposition. A Windows-based configuration screen can be used to customize the pocket layout. The drive motor comes with a bracket to attach to a 2.75 inch Del Seal rotary feedthrough or to a 1 inch bolt type rotary feedthrough. The indexer is supplied with a coupling to connect the 1/4 inch drive shaft to the 1/4 inch feedthrough shaft. The e-Vap® Crucible Indexer is designed to be one of the most flexible methods to customize or fine tune crucible rotation and control for multi hearth electron beam sources. 

 

Controller Specifications
Pockets  up to 8
digital inputs binary or BCD encoded
low = 0 to 2 Vdc, high = 4 to 24 Vdc, non-isolated
Communications  RS-232 or Ethernet
Size (height x width x depth) 88 x 213 x 197 mm (3.5" x 8.4" x 7.75")
Weight 2.7 Kg (6 lbs)

 
Features
  • Direct Drive-No pulleys or belts to set or adjust 
  • Electronic calibration of position 
  • 8 predefined pocket configurations included 
  • User configurable feature allows for custom or special pocket configurations 
  • Can be operated manually or by external controller 
  • Two speed ranges for a total of 20 speed settings 
  • 1.8º Resolution 
  • CE compliant 


Motor Drive Specifications
Motor type micro-stepper
Torque 1.4 N-m (200 oz-in)
Speed (RPM) low: 0.05, 0.06, 0.08, 0.10, 0.12, 0.15, 0.19, 0.24, 0.30, 0.37
Speed (RPM) high: 0.5, 0.6, 0.8, 1.0, 1.2, 1.5, 1.9, 2.4, 3.0, 3.7
Resolution 1.8ºl
Repeatability  0.25ºl
Size (height x width x depth) 89 x 89 x 122 mm (3.5" x 3.5" x 4.8")
Weight 1.5 Kg (3.2 lbs)
Power 12 W (supplied by controller)
 
 Crucible Indexer
For product listing, features and specifications click on links below
 Crucible Indexer
 

 Related Topics
 Introduction to Source Controller
 Introduction to Programmable Sweep Controller
 Deposition Control & Measurement

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