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home Best Technology / Passivation Equipment & Ultrasonic Passivation Systems for Stainless Steel with Nitric / Citric Acid / Ultrasonic Automated Passivation Equipment

Ultrasonic Automated Passivation Equipment

  • System Description
  • Common Applications
  • Common Configurations

Our automated ultrasonic passivation equipment using nitric or citric acid perform an automated process of cleaning-rinsing-passivation-rinsing-drying by moving the fluids from heated storage tanks into a single ultrasonic process tank, rather than moving the parts basket through a series of tanks.

With this passivation machine, the entire process required to clean, rinse, passivate, rinse, rinse and dry manufactured stainless steel metal parts is performed at the push of a button using user defined cycles via touch panel screen.  The process is PLC computer-controls the fill-and-drain sequence to cycle parts through the cleaning, rinsing, and hot air drying processes; all within a single chambered unit.

Ultrasonic Automated Passivation EquipmentAutomated Passivation Equipment for Nitric Acid Passivation

Video: Automated Ultrasonic Passivation Equipment for Citric or Nitric Acid

Automated Ultrasonic Stainless Steel Passivation System

Small Ultrasonic Automated Passivation Equipment

Small-Automated-Ultrasonic-Passivation-System-Equipment

Modular heated storage tanks complete the Ultrasonic cleaning machine for re-use of detergents and rinse water. This system configuration removes operator interaction, variability and eliminates exposure to chemicals. The end result is higher quality cleaned and passivated parts with tighter process controls which can be easily validated for regulated products like medical device and aerospace.  The operator simply puts dirty, dry parts in, hits start and returns to cleaned, passivated and dry parts.

Need More Throughput?
Dual Ultrasonic Automated Passivation Equipment

Automated 6 Rotating Basket Cleaning and Passivation System with Dual Process Units

Double production without doubling the cost. Learn how a dual process unit automated ultrasonic passivation system can boost your production. The model shown here features optional rotating baskets for parts.

We move the fluids NOT the parts! Savings of nearly 50% of system cost over traditional multi-tanks with overhead basket carrier automation.

ultrasonic-cleaning-passivation-animation

Video: Automated Customizable 3-in-1 Nitric and Citric Passivation System

Automated Customizable Nitric and Citric Passivation System
Need BOTH nitric AND citric acid passivation? This system can handle it all. This 3-in-1 system offers 3 different automated passivation options:

  1. Nitric acid
  2. Nitric acid with sodium dichromate
  3. Citric acid

Common Applications for Automated Passivation Equipment

  • Ultrasonic part cleaning and passivation of water soluble machining coolants, chips, particulate, and true machining/cutting oils, buffing and lapping compounds.
  • Medical device stainless steel, titanium, tantalum parts cleaning and passivation
  • Aerospace part passivation
  • Nitric acid passivation type 1, 2, 3, 4 ASTM A967
  • Citric acid passivation type 1, 2, 3, 4, & 5 ASTM A967 using Stellar Solution’s Citrisurf
  • General washing for maintenance, manufacturing, rework and/or remanufacturing.
  • Applicable case study: Automated Ultrasonic Passivation System for Medical Device and General Parts

Typical Configurations

The automated passivation equipment configurations below are most common, but systems of any size from 3.5 to 100+ gallon and 1 foot to 15 foot long can be fabricated based on customer application for little to no custom costs.  Systems can contain pH and conductivity meters to monitor wash, acid and RO / DI rinse solutions.

Model Series  Liquid Capacity (gallons) Ultrasonic Power (Watts) Hot Air Dryer (Watts) Tank Dimensions (l x w x h) Main Process Unit Dimensions (l x w x h) Storage Tank Capacity (gallons ea)
1002P 3.5  300 1500 12″ x 10″ x 8″  24″ x 13″ x 18″ (tabletop)  15
700P 9  1200 3000 18″ x 12″ x 10″  28″ x 22″ x 39″  15-30
992P 18  1800 3000 24″ x 14″ x 12″  28″ x 22″ x 39″  30

Latest News & Products from Best Technology

Semi-Automated Inline Citric Passivation Solution with Data Tracking

For one medical device manufacturer, the design of a citric passivation solution faced two major challenges: The manufacturing process required performing a water-break test after cleaning parts, before proceeding to passivation. This meant that they could not use a fully automated passivation solution. The system had to have data tracking for quality control purposes. Semi-Automated […]

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