|Place of Origin:
|Minimum Order Quantity:
|Strong wooden box for global shipping
|30-50 Working days
|L/C, T/T, Western Union
|200 Sets per month
|1500 ~ 4000HZ
|Copper Tube Induction Heater
|50 Segments Programmable And PID Auto Control
|VIM Vacuum Induction Furnace
VIM High Temperature Vacuum Furnace,
1700 Degree Vacuum Induction Furnace,
IGBT High Temperature Vacuum Furnace
Brother's Industrial 25kg Medium Frequency VIM vacuum Induction Furnace up to 1700 degrees adopts the theory of medium frequency induction heating and builds a high vacuum system so that the metal could be melted under a high vacuum situation. This furnace is widely used in many kinds of research and production, such as nickel and special steel, precision alloy, activity metal, high-temperature alloy, magnet material, etc. Also suitable for the vacuum precision cast of small parts.
|Crucible effective volume
|Crucible effective capacity (Steel)
|Max melting vacuum
● Vacuum time: open diffusion pump when preheating is complete, then up to 7×10-3Pa in 30 minutes.
|Induction copper coil
|● 70L/s Double stage Rotary vane mechanical pump
● Dia.300mm diffusion pump, Max. pumping speed: 5000L/s
● Dia.300mm diffusion pump clod trap, effective cooling cycle for pump oil
● Dia.300mm diffusion pump flapper valve + Dia.80mm former pump flapper valve
● Stainless pipe + stainless bellows
|Vacuum furnace shell
|● Double layer water-cooling arched furnace cover. Equipped with two tension springs, used to balance the weight. You can open the cover easily. When it’s locking, two tension springs can also provide furnace cover airtight pressure to ensure good sealing.
|● Electrodes mounted on Sealed bearing, when needed tilting crucible, worker can operate the handle to pour the liquid steel.
|● Alloy feeder is located in the center of the cover. Inside the feeder is divided into six cubicles (material of one cubicle is placed in the tipping bucket), the material can be fed into the crucible in the vacuum or protective gas.
|● The furnace cover is equipped with an observation window, easy to observe the performance of the furnace.
|● Induction heater consists of a rectangular copper tube, through the two mating nut fixed on the electrode, easy to disassemble.
|On right side of the furnace exhaust pipe fitted with a temperature measuring device. When you need to measure temperature, just pull up the spring latch, turn the handle, the thermocouple tip will insert in the liquid metal. Quartz protecting tube for thermocouple prepared by the user.
|Medium frequency power supply and Water-cooling
|● The medium frequency current of furnace was sent to inductor through the outside bus-tie and water-cooled medium frequency cable. Cooling water of medium frequency cable was directed by control valve on the furnace base.
|● The vacuum system has a 0-0.1Mpa pressure gauge, to check the rough vacuum and negative pressure of protective atmosphere.
|Step 1. Feeding
|● The materials must be carefully cleaned, removed surface contamination, oil, etc. and baked to remove moisture.
|Step 2. Vacuum pumping
|When the vacuum of 2-stage rotary pump is 15Pa and diffusion pump have been heated for about 50 minutes, now you can close 2-stage rotary pump valve, open diffusion pump valve, vacuum the furnace to the required high vacuum.
|Step 3. Melting
|● The max power of furnace is subject to the medium frequency voltage and max current.
|Step 4. Refining
|● It’s easy to cause sputtering when some alloy drop into the crucible. You need to pay attention to the speed of alloy’s adding. It can’t be too fast. Sometimes, you need to lower the power, make the liquid surface a bit harder, then adding the alloy to reduce sputtering.
|Step 5. Casting
|When refining complete, no need to cut off the power, tilt crucible to pour metallic liquid into ingot mould. Notice, do not pour it out of the ingot mould.
|● When stop using the furnace for a while, you need to use compressed air to blow out the remained water to prevent corrosion and extent service life.
|● Replace the oil of diffusion pump and 2-stage rotary pump regularly. Add diffusion pump oil as lubricating oil to the seal parts regularly.
|● When stop using the furnace, you should clean the furnace inside and outside and vacuum it.
PLC Industrial 10kg Medium Frequency vacuum Induction Furnace Technical parameter:
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