4-3-1.Features of the hot wind heat source Dryness with constant temperature and humidity of a hot wind is called the constant drying condition. If the temperature of a hot air is changed, the relative humidity and specific heat, density, viscosity, ...
Read More »No.97 Temperature performance evaluation test of the rechargeable battery
[ Problem Point ] The advanced battery with environment resistance is required for. [ ⇒Kaizen Point ] The temperature test was done using the Air Blow Heater. The rapid temperature change which was impossible until now has been reproduced. The ...
Read More »4-2.Drying speed and wind speed of the hot air
Temperature and Humidity of the hot air is called the steady-state drying conditions drying constant. 4-2-1.If wind velocity of a hot wind is enlarged, a coefficient of heat transfer will also become large. Heat transfer coefficient of the dry conditions ...
Read More »Heat shrink film of battery
*Check Video is here This video is a demonstration in the air of 400 ℃ Heat shrink film of battery by the Air Blow Heater.
Read More »Evaporation of water
*Check Video is here This video is a demonstration which evaporates 6.5 cc of tap water with 500℃ air by the Air Blow Heater.
Read More »4-1.The air and the nitrogen
Check the performance of the air and nitrogen as the medium to be used in the hot-air drying. 4-1-1.The role of air Air at room temperature, the atmospheric pressure will behave as a nearly ideal gas. Density of air ρ ...
Read More »Make a hole in the Polyolefin heat-resistant five-layer film
*Check Video is here This video is a demonstration drill holes in the air of 400 ℃ in Polyolefin heat-resistant five-layer film in the Air Blow Heater.
Read More »Make a hole in the polystyrene PS pack
*Check Video is here This video is a demonstration drill holes in the air of 400 ℃ in polystyrene PS pack in the Air Blow Heater.
Read More »3-9.The 6 Fundamental law and the 4 thermodynamic law about drying.
The 0th law of thermodynamics—Law of heat balances James Clerk Maxwell FRS FRSE (13 June 1831 – 5 November 1879) Scottish mathematical physicist. If the objects A and B, B and C are thermal balances, A and C are also ...
Read More »No.96 Heating of the shielding gas of laser welding
[ Problem Point ] Oxide film on the weld surface is worried about. [ ⇒Kaizen Point ] High temperature heating of the shielding gas was carried out using the hot wind heater. Even if it thickened metal, welding said well.
Read More »No.95 Hot air shot peening
[ Problem Point ] In order to thicken a metallic thin film, the high temperature hot wind was required. [ ⇒Kaizen Point ] The shot-peened under high temperature conditions using the Air Blow Heater. Junction went well even if thickening ...
Read More »Make a hole in the polypropylene PP tray
*Check Video is here This video is a demonstration drill holes in the air of 400 ℃ in polypropylene PP tray in the Air Blow Heater.
Read More »No.94 Hot air anthelmintic
[ Problem Point ] Requires secure chemical-free pest control that do not use chemical fumigation. [ ⇒Kaizen Point ] Hot air is anthelmintic, in a way that does not use chemicals, to disinfect from egg to adult in a hot-air, ...
Read More »3-8.Three types of drying 3.Drying of the paint film and Membrane
To say that “drying”, there is a dry work of three types. They are dryness of surface water of adhesion, dryness of a coat, and internal dryness of material. Since internal dryness has been explained until now, describes the drying ...
Read More »No.93 Heat shrink the capacitor
[ Problem Point ] It did not shrink processed while temperature control. [ ⇒Kaizen Point ] The precise temperature control in the Air Blow heater, it was appropriate temperature heating. Thermal destruction is eliminated, defect rate was reduced.
Read More »No.92 Temperature setting of the coil spring testing machine (low-temperature material)
[ Problem Point ] There was no evaluate the performance while changing the temperature of the coil springs. [ ⇒Kaizen Point ] It heated from room temperature to 850℃ with the Air blow heater. The quality assessment in the arbitrary ...
Read More »No.91 Temperature setting of the tensile testing machine (low-temperature material)
[ Problem Point ] There was no evaluate the performance while changing the temperature of the test piece. [ ⇒Kaizen Point ] It heated from room temperature to 850℃ with the Air blow heater. The quality assessment in the arbitrary ...
Read More »3-7.Three types of drying 2.Drying of the surface attached water
Even if it tells “dryness” to a mouthful, there are three kinds of dry work. They are dryness of surface water of adhesion, dryness of the coating film, and internal dryness of material. Since the preceding sections has explained the ...
Read More »No.90 Heat test of bearing
[ Problem Point ] Managing the heat-resistant temperature of grease, it came to carry out a quality assessment and there was nothing. [ ⇒Kaizen Point ] It heated from room temperature to 550℃ with the Air blow heater. The quality ...
Read More »3-6.Importance of dehydration
Energy for evaporating the water 1kg of 20 ℃ is 2454kJ. 1kW/h is 3600kJ so…. 2454kJ is the working time and energy consumption of the same amount running 40 minutes of 1kW motor. Or, the halogen heater 5kw 85% efficiency ...
Read More »3-5.Balance of the process
When dry quickly at high speed wet material, deviation of the moisture content and temperature of the material inside will increase. As a result, the critical moisture content is increased, it may cause cracks. When it comes to the state ...
Read More »3-4.Five patterns of the drying curve
As for the Drying characteristic curve of the Decreasing drying rate period, five patterns appear with the characteristic of material. The type of material The composition of material The shape of material The possession state of water A-Type A-type is ...
Read More »3-3.Heat balance equation of the drying
The heat balance is the sum of 4 types heat、which is entering heat, exiting heat, generation of heat, and endothermic. By the law of conservation of energy, the quantity of these (Quantity of heat change of the system) = (Quantity ...
Read More »3-2.Evaporation of water
In order to move water vapor becomes water evaporates, the water vapor pressure difference is required between the air and the convection layer and the surface of the material. Water vapor of the material surface so that the saturated pressure ...
Read More »3-1.Heat transfer and Mass transfer
In the classification of thermodynamics, a dry process is a “The open system.” Dryness is “evaporating and separating a liquid from a solid.” Heat and pressure are operated, water is evaporated and it moves. The height of heat is the ...
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