HPO

Hot Shots

Hot Shots: Drive technology manufacturing

Huge gears for a rolling mill in the drive technology manufacturing at Hilchenbach workshop, Germany. more


Hot Shots: Heated titanium meets atmosphere

Several titanium alloys are available for different technical applications, not only weight reduction. To specify technical properties for different alloys a test series was done. One of this... more


Hot Shots: View into the electrical strip annealing furnace

The image shows the interior of a radiant-tube-heated (Flox burner) annealing furnace for electrical strip at TKES, Bochum (Germany). more


Hot Shots: Quenching in molten salt

The quenching in molten salt during the heat treatment process of steel guarantees a fast and constant cooling. This assures that the required material properties at the smallest possible... more


Limited edition of the new heat processing calendar - order now!

12 impressive pictures give an insight into the impressive world of thermoprocessing technology. more


Hot Shots: Reduction of an aluminium rolling ingot in a hot reversing stand

Reduction of an aluminium rolling ingot of thickness 600 mm in a hot reversing stand, in several passes to a transfer-barthickness of approx. 40 mm. The reduction takes place during hot... more


Hot Shots: Hot gearwheel in a fixture hardening tool in a quench press

Modern fixture hardening machines greatly improve accurancy and reduce cost during hardening of gear parts. (Source: HEESS GmbH & Co KG) > View more more


Hot Shots: Deslagging of molten iron

Deslagging a ladle with 20 t of molten iron is hard and hot work – this iron is used to form large cast pieces in dimensions of up to 11 m in length, 5 m in width and 5 m in height. (Source:... more


Hot Shots: Looper for vertical bright annealing line

For stainless steel strip up to 1.600 mm wide. (Source: Ebner Industrieofenbau GmbH / photo: Froschauer) > View more more


Hot Shots: Tunnel furnace with conveyor belt for isothermal annealing

The tunnel furnace with conveyor belt is used for isothermal annealing with controlled cooling of hot automotive pistons supplied from forging. The productivity range is about 1,100 kg/h. ... more


Hot Shots: Gas carburising furnace in action

Low-distortion heat treatment via removal of the component from a gas carburising furnace and subsequent individual hardening. (Source: AWT e.V.) ... more


Refractory technology from the laboratory

Hot Shots: Refractory technology from the laboratory

Refratechnik Cement GmbH runs the R&D Centre for the whole Refratechnik Group at Göttingen, Germany. Here, the company develops high-quality refractory products using different experimental... more


Hot Shots: Multi-frequency hardening in action

The simultaneous multi-frequency hardening process patented by EFD Induction achieves true contour hardening of small gears in far under one second. Notable is the absence of through... more


Hot Shots: Exit zone of a press hardening furnace

The heat treatment plant with patented step-chain conveyor is used for the heating and subsequent press-hardening of blanks for the automotive industry as well as the hardening of shafts and... more


Hot Shots: Charging of a 170 t converter with crude iron

In the Indian city of Jamshedpur, steel producer Tata Steel operates an integrated iron and steel works for flat and long products. The plant has a total capacity of more than 10 million tons... more


Hot Shots: Heat treatment plant for solution annealing

At approx. 525 °C the required material properties of the lightweight aluminium components are adjusted in line with the specific requirements of the product by precisely adjusting the air... more


Hot Shots: Heated transfer table

State-of-the-art furnace design: tailor-made combustion and control systems guarantee higher temperatures (up to 1,120 °C) and optimum head – tail uniformity (+/- 5 °C). (Source: Danieli... more


Hot Shots: Seven-stand four-high finishing line in a hot strip mill

The seven stands, each fitted with four rolls, convert the 55 m rough strip of steel into an up to 1.8 km long hot strip. The modernized hot strip mill began operation in early 2013 with the... more


Hot Shots: Rotary hearth furnace with regenerative heating

This furnace-type grants a high temperature homogeneity and improved energy balance as well as flexibility in production. It can be charged with cold and preheated parts in various dimensions... more


Hot Shots: Heat treatment of superlatives

Forging furnaces for charges up to 500 t with integrated residual heat exploitation. (Source: MIOBA GmbH) ... more


Hot Shots: A slab of thickness 250 mm heated up uniformly

A slab of thickness 250 mm heated up uniformly to above 1,200 °C runs into a hot rolling mill to undergo forming. At the end of the rolling process, a steel strip is obtained in thicknesses... more


Hot Shots: Susceptor in action

By using a MF power supply of up to 150 kW output power level a typical working temperature at the susceptor of 1,200 °C is achieved. This process is used for the production of LEDs. ... more


Hot Shots: Innovative induction solutions in a steel mill

Intelligent integration of the continuous caster, the induction heater and the rolling mill by the business area SMS Meer saves the customer TungHo Steel in Taiwan more than 11 Euro/t steel... more


Hot Shots: Heat processing in coil annealing furnaces

Substantial saving of energy costs – real time calculation of aluminium strip coils with an accuracy of better 1.5 % of the target temperature. (Source: Otto Junker GmbH, by Susanne Dobler)... more


Hot Shots: Induction hardening of crankshafts

Main and pin bearing hardening with inductors and integrated quench heads. (Source: SMS Elotherm GmbH) ... more