Slide 1

What’s in it for Me?

Metal Finishing “Process Unit”

Metal Finishing Processes

Slide 5

Common Metal Finishing Wastes

P2 Principles for Metal Finishing

Rack Plating

Barrel Plating

Manual Plating

Automated Plating

Keys to Identifying P2 Opportunities at Metal Finishing Facilities

Measuring and Understanding Dragout

Dragout Impacts

Dragout Impacts (continued)

Dragout Measurement

Slide 17

Slide 18

Using Dragout Measurements

Dragout Reduction Techniques

Slide 21

Dragout Reduction:
Parts Racking and Handling

Impact of Barrel Rotation

Slide 24

Dragout Reduction: Worker Practices

Slide 26

Dragout Reduction:
Process Layout, Maintenance

Dragout Tanks

Sprays: More than a Rinse!

Slide 30

Conductivity Control Systems

Keys to Identifying P2 Opportunities at Metal Finishing Facilities

Analyzer

Conventional Sensor

Electrodeless Sensor

Sensor Installation

Determining the Initial Set Point

Rinse Water Use

Spray Rinse Systems and Design

Benefits of Reducing Rinse Water

Techniques that Improve Rinse Efficiency

Techniques that Improve Rinse Efficiency

Counter Current Rinse System

Counterflow also Reduces Dragin

Reactive Rinsing

Reactive Rinsing Example

Spray Rinse Systems and Design

Keys to Identifying P2 Opportunities at Metal Finishing Facilities

Sprays Reduce Dragout by 58%

Air-Atomized Spray Guns

Slide 51

Sprays Over Heated Baths

Slide 53

Tools and Resources for Assistance

Available Tools