The ANACAPA series furnaces utilize the time-tested "bell" configuration in which the work is placed on a hearth and the heating element, radiation shields and chamber are lowered over the work. The all nickel-chromium alloy hot zone is clean, non-particulate, and allows rapid heating and cooling. The field proven hot zone design resolves the problems associated with insulator metallization and shorting by eliminating the need for insulators.

A microprocessor-based temperature programmer and programmable logic controller (PLC) provide completely automatic, unattended control with precise, repeatable results. Process Programs can be quickly and accurately changed from one run to the next using optional memory cartridges. These capabilities allow a variety of products to be processed with confidence.

The ANACAPA series furnaces are designed with the user in mind, emphasizing ease of operation and maintenance and long-term reliability.

Typical Process Applications:

A wide variety of oxygen sensitive processes are performed with precision including:

• Active metal brazing of ceramic to metal in argon
• Glass processing in dry hydrogen and high vacuum
• Ultra dry hydrogen brazing, e.g. s.s. at 800 °C without nickel plating
• Aluminum brazing in high vacuum
• Binder extraction from MIM or CIM components prior to sintering
• Vacuum degassing vacuum tube components
• Annealing Kovar and other metals

B1500A

• Temperature rating: 1150 °C continuous.
• Hot zone materials: All nickel-chromium alloy.
• High vacuum pump: cryopump or turbomolecular pump. Ultimate vacuum, 5 x 10-8 torr or less.
• Programmable loop and logic controller with operator interface; Honeywell UMC900 or Siemens S7-300.
• Optional: Honeywell, Inc. DCP 700.
• Independent overtemperature protection: Honeywell, Inc. UDC 2500.
• SCR Power Controller: Phase angle fired, instantaneous overcurrent trip, phase loss protection, subcycle fuses, water-cooled heat sink.
• Transformer: Water-cooled, low temperature rise.
• Hydraulic system for raising, lowering and clamping the chamber.
• Process gas system: Fully interlocked, pressure regulated and flow regulated.
• Hydrogen burnoff: Dual igniter coil with current sensing relay.
• Power: 480 VAC ±5%, 3 phase, 60 Hz (optional 380/415 VAC, 50 Hz)
• Hydrogen: 30-50 psig (2-4 bar) input. Process pressure: 0.5-2 psig (30-130 mbar).
• Nitrogen (or Argon): 30-60 psig (2-4 bar) input. Process pressure: 0.5-2 psig (30-130 mbar).
• Compressed air: 80-120 psig (5.5-8 bar).
• Water flow: 30-100 gpm (115-340 ltr/min)
  @ 30 psi.