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| Vacuum Brazing | |||||||||||||||||
Vacuum brazed inserts enabling modification to female mould section. Four diameter inserts produced from same material as 42Ka mould block. (aisi 420) |
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| Process: | |||||||||||||||||
| Degrease & fully anneal parent block - prepare and fit inserts - assembly loaded onto graphite shelf brazed & re heat treated in same cycle. | |||||||||||||||||
| Nickle alloy filler is corrosion resistant, hard, and polishable. Joint design is extremely important to successful result. In house advice available. | |||||||||||||||||
| Stainless Steel Food Emulsers | |||||||||||||||||
316 Stainless steel food emulsers illustrate the benefits of vacuum brazing. The fine screen mesh of 0.5mm can be brazed without problem to a heavy section flange. The top ring providing ragidity also brazed in same cycle. Nickle alloy fillers comply with food safety regulations. |
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| Mu - Metal Chambers for use in High Vacuum Systems | |||||||||||||||||
| This area of vacuum heat treatment - Brazing provides a three fold process: | |||||||||||||||||
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1.) To restore after machining & welding the magnetic permeability of Mu metal sheild. 2.) Braze welded seams to ensure chamber is leak tight. 3.) Process temperature sufficiently high to remove weld oxidisation & bright clean Mu - metal s/steel flange rims. |
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| Specification: | |||||||||||||||||
| From ambient controlled rampup to 650c equalise onto 925c equalise onto top temp 1060c hold for no less than 2 hours. Controlled cool to 200c in no less than 8 hours. | |||||||||||||||||
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