Process Line Offers Full Black-Oxide Capabilities

Birchwood Casey is offering a seven-tank process line with full black-oxide capabilities. According to the company, manufacturers can now benefit from an in-house black-oxide process line for about half the cost of earlier systems. Priced at less than USD8,900 (GBP5,800), the new BC-40E Tru Temp system is pre-engineered for a quick setup and safe operation. It utilises seven individual tanks, each measuring 16 x 24 x 24in (21 x 61 x 61cm) in depth, and occupies a footprint of 3 x 12ft (1 x 3.7m).

Birchwood Casey claims that the tanks are rugged and unbreakable. They are rotomolded of heavyweight, high-density polyethylene or polypropylene and are supplied with all the necessary components: heaters, plumbing connections, tank lids and chemical products. Mark Ruhland, vice-president of the company, said: 'Manufacturers and fabricators now have another low-cost method available for reducing black-oxide production costs.

'Setting up an in-house blackening line is now more economical than ever. 'Easy to learn and safe to operate, these lines produce high-quality black-oxide finishes and can often be operated by workers in adjoining CNC, screw-machine or parts-washer cells, without adding new employees,' he added.

Using the patented Birchwood Casey Tru Temp black-oxide process, the new BC-40E tank line provides the owner with all of the advantages of an in-house system - a Mil-Spec-compliant black-oxide capability with a 25-minute turnaround time. It controls quality, scheduling and the cost of finishing operations. The Tru Temp process does not contain any EPA-regulated chemicals, so there is no need for waste treatment. The rinse waters are sewerable as non-hazardous discharge.

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