Induction Carbide Tipping of Medical Tools

Objective:

The objective of this application is to braze carbide insets onto a stainless steel pin cutter. The customer specializes in the repair, cleaning, and refurbishing of surgical equipment. They would like to use induction heating technology to replace torches and achieve a cleaner brazing process.

Equipment:

UltraHeat SM 5 general-purpose induction brazing equipment was set at 40% to complete the process. The adaptive digital phase control provides efficient operation in a wide frequency range.

Process:

A stainless-steel pin cutter 6 13/16” (17 cm) long with a 0.775” (1.96 cm) wide area for heating had to be brazed with two carbide inserts 25/32”(1.98 cm) long, 1/8” (7.8 mm) wide, 3/32” (2.54 cm) deep. There was an overlap 9/16” (1.42 cm) long, 1/8” (25.4 mm) wide (on each side of cutting head) and 1/16” (1.58 mm) deep.

Brazing flux was applied to the joint area. The carbide inserts were then placed in between the pre-forms. The assembly was closed together and brought into the induction coil. Heat was applied for 8 seconds reaching the temperature of ~1400°F (760°C). The parts were successfully brazed together.

Industry: Medical & Dental

Read more about other carbide tipping applications.

To request more information about this Application test, please contact us.

Reference Info: Application Note 3463-5734

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