Shrink fitting impeller blades to shaft Objective Heat aluminum impeller blades to 200 F (93 C) and shrink fit onto a shaft.Material Aluminum impeller blades with a .28” (7.109mm) bore, aluminum shaftTemperature 200 F (93 C)Frequency 255 kHzEquipment…

2008/02/03

Shrink fitting pulley to insert bearing Objective Heat aluminum pulley for insertion of an inner bearing for the automotive industryMaterial Aluminum pulley 2.3” (60mm) OD x 1.6” (40mm) ID x 1” (27mm) high and inner bearing 0.7” (17.8mm) high x 1.…

2008/02/03

Shrink fitting wrist pin into connecting rod Objective Assemble connecting rods with a more accurate control of the heatMaterial Rod has an OD of .9125” (23.18mm), knuckle has an ID of .9125” (23.18mm) with an interference of .0001” (.0025mm). Knuc…

2008/02/03

Shrink Fit Camshaft Gear Objective: Heating a camshaft gear with a bore size of 1.630 to shrink fit over a steel shaft that has a diameter of 1.632. A temperature of 5000F is required for the gear to expand 0.002 in order to slip over the shaft. Produ…

2008/02/03

Shrink Fitting Cam Shaft Gears Objective To heat aluminum and steel camshaft gears to over 500F within 4 minutes for a shrink fitting application.Material 6” diameter, 2” thick steel and aluminum camshaft gears, “K” type thermocouple, digital ther…

2008/02/03

Shrink fit steel ring Objective Heating a steel band to 1000 F (538 C) and inserting a carbon graphite ring in the center of the steel bandMaterial 4340 steel ring 8” (20.3cm) OD x 7.75” (19.7cm) ID, .895” (22.7mm) thick, carbon graphite ring inser…

2008/02/03

Shrink Fit Bearings Objective To heat a roller bearing assembly for a shrink fitting applicationMaterial Steel bearings, diameters 1” to 3.5” (25.4 to 89mm)Temperature 300F (150C)Frequency 60 kHzEquipment Power of 25kW solid-state induction power su…

2008/02/03

Shrink Fit Steel Flange Objective To heat steel flange for heat shrink application. Reaching the desired temperature results in adequate expansion to allow for placing of the flange over a graphite seal.Material Graphite seal 1” (25.4mm) diameter ste…

2008/02/03

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 t…

2008/02/03

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 t

2006/03/28