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Toplay

Checon Toplay Cross Section

Cross Section Toplay at 20x

Toplay remains one of the most effective manufacturing methods for medium to high power devices such as contactors and industrial controls. This production method, utilizing in-line ultrasonic scanning to ensure consistency of the joint, is fast and accurate, producing a very thin braze interface to aid electrical and thermal conduction. Where parts are subjected to high mechanical loads, the Toplay process allows significant temper to be introduced into the assembly. Care and attention paid to the tooling design allows efficient material utilization and the improved thermal characteristics can lead to precious metal savings when compared to individually brazed assemblies.

In comparison to Tip brazing techniques, Toplay produces a more complete bond – of known quality, with a thinner bond interface and significantly faster rates of assembly.

ToplayTip Brazing
Braze Area Minimum80%75%
Braze Area Normal Output90 - 100%85 - 90%
Bond Monitoring100% inspection and controlSampling
Typical Braze Thickness .001 - .0015".0025 - .004"
Typical Brazing Speed100 - 500 per MINUTE100 - 500 per HOUR
Toplay

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