December 2001 ISSUE

COVER STORY

Zinc Plated Zinc Diecasts Turn Blue

Question: We plate zinc diecasts with zinc.

FEATURES

Parts Cleaning

Alkalinity Loss in Cleaning Stage of Washer

Question: We are experiencing significant drops in the alkalinity of our first stage cleaning bath in a seven-stage pretreatment line.

Liquid Coating

Avoid Painting the Conveyor II

Question: With reference to your letter in the October issue, I have a comment regarding overspray on racks, etc.

Electroplating

Better Bath Management with Meter Controls

All electroplating, anodizing and electrocoating baths require maintenance. One of the most frequent needs is replenishing depleted materials. There are several techniques to accomplish that…

Electroplating

Bright Nickel Sulfamate Plating

Question: We do electroforming using nickel sulfamate plating baths.

Electroplating

Chromate vs. Phosphate

Question: I know iron phosphate works great on steel, but it is not as effective on aluminum.

Chromium Alternative Solves Problem

Working together, the finisher, customer and supplier found the best solution to what could have been a costly finishing situation...

Electroplating

Chromium Plating Bath Purification Revisited

Question: What are some of the ways to maintain the purity of a hexavalent chromium plating bath?

Parts Cleaning

Classification of Flashpoints

Question: I found your discussion in the April 2001 issue informative as always.

Dot Commentary: Make Your Intranet Extra Special

When it comes to electronic media, I have little patience.

Liquid Coating

Dye Sublimation Coating

Question: I am looking for a supplier of a clear polyester type coating to be applied over a glazed ceramic substrate (tiles, mugs, etc.) to which I will then apply an image using dye sublimation.

Electrocoating

Finding Customers

Question: We are considering installing an electrocoat system for our product (automotive brackets) but do not have enough of our own product to justify the system.

Parts Cleaning

Graphite Cleaning

Question: Our company produces aluminum extrusions for paint.

Liquid Coating

Inconsistent Gloss Problem

Question: Regarding the letter from T.B. in the October Painting Clinic, I had run across a similar fouling in the oven that would cause an inconsistent gloss.

Liquid Coating

Mixing Room Materials of Construction

Question: We are installing new mixing room systems that will be handling waterborne basecoats and solvent-borne primers and clearcoats.

Parts Cleaning

Nozzle Selection

Question: I am an avid reader of your magazine.

Powder Coating

Paint Recommendations

Question: We work with a number of job shops that apply powder to tubular stock that undergoes subsequent bending and punching operations.

Perspectives: Setting a Precedent

Recent surveys by a nationwide consulting firm indicate a great anxiety among component suppliers about what buyers currently want.

Powder Coating

Powder Hooks/Rack Cleaning

Question: I am into my third month of study for a new powder coat system for our company.

Parts Cleaning

Pretreatment Rinse Tanks

Question: I have a five-stage dip process.

Powder Coating

Quieting Wire Springs

Question: Our company makes window balances.

Selectively Plating Plastics the Seleco Way

How tough can it be to put in a plating line and start running a job shop? Faced with the idea that it was no longer going to be simply a supplier, but the actual plating job shop, Seleco Inc., prepared itself. However, the learning curve was steeper than it planned...

Parts Cleaning