Shrink Fit Steel Tube Objective Heating a steel tube to 500-1000F for a shrink-fitting application. Determine expansion (growth) of ID at varying temperatures.Material Steel tubes 7” OD x 4.75” ID x 5” heat zone Type ‘K’ thermocouple to measure temper…

Date：2008/02/03

Objective To heat brass tubing assemblies to 750C for a brazing application. The tubing diameter varies from 3 to 8 inches (76.2 to 203.2 mm) Material Brass tubing Brass flange Braze rings Braze flux Temperature 1382F (750C) Frequency …

Date：2005/10/02

Objective Copper ‘tees’ and ‘ells’ are to be brazed to the aluminum body of a refrigeration valveMaterial customer’s valvecopper fittingsbrazeTemperature 2550 F (1400C)Frequency 285 kHzEquipment Power of 15KW induction heating system including a workh…

Date：2005/10/02

Objective To braze brass end-connectors to copper tubes used in aircraft assembly air linesMaterial brass end connectors, copper tubes of different diametersTemperature 1400 F 750CFrequency 350 kHzEquipment Power of 6KW induction heating system, including …

Date：2005/10/02

Objective To use induction heating to braze a copper tube to a brass fitting using a preform braze wire. Processing is to occur under an atmosphere of Nitrogen and 4% Hydrogen gas. The braze preforms melt at 1190F, but the parts need to be kept below 1300F…

Date：2005/10/02

Objective To heat a steel hydraulic hose fitting in an inert atmosphere to 2200F within 7 seconds for brazing without any carbon buildup. Material Three-opening steel hydraulic fitting, pure copper braze paste Temperature 2200F Frequency 273 kHz Equipm…

Date：2005/10/02

Induction shrink fitting refers to the use of induction heater technology to pre-heat metal components between 150 C (302 F) and 300 C (572 F) thereby causing them to expand and allow for the insertion or removal of another component.Typically the lower te…

Date：2006/03/28