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8-Station (100g) Automatic Arc Melting System w/ Stirring or Casting Functions - EQ-SP-MSM-8
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Item Number: EQ-SP-MSM-8
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EQ-SP-MSM-8 is an 8-station automatic Arc Melting System with an electro-magnetic stirring or vacuum casting function for high-throughput research of new generation alloy. The arc melting system consists of a glove box (<1 ppm H2O and O2 level), a CNC three-axis (X, Y, Z) station to precisely move "arc torch" to "hearth cavity".
SPECIFICATIONS:
Features
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- Designed for high throughput, automatic arc melting of 8 samples (each sample weight <100g iron-based alloy) up to 3000 ℃ in a single batch
- Glove-box ensures arc melting in an ultra-clean gas environment with <1ppm H2O and O2 level
- Water-cooled copper crucible, crucible grid cover, and vacuum vapor removal allow arc melting of multiple samples without cross-contamination.
- A 4 mm diameter tungsten electrode is mounted on a CNC three-axis (X, Y, Z) stage inside the glove box.
- The tungsten electrode can be programmed with stirring motion for uniform arc melting of large samples.
- The electromagnetic stirring or vaccum coasting function is optional, which is n the bottom of each cavity
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Structure
 
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The high throughput, automatic arc melting system consists of
- Standard glove-box with <1ppm H2O and O2 purification system
- 8-cavity copper hearth with water cooling
- Water-cooled tungsten electrode integrated with CNC three-axis (X, Y, Z) stage
- Handheld arc melting stinger with KF40 feedthrough.
- 16 L/min recirculating water chiller for cooling the copper crucibles and arc melting stinger.
- Optional 8 electromagnetic stirring or vacuum casting devices are available upon request which is on the bottom of each cavity. Please be noted that two types of device can not be used in same time, you only can choose one.
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Arc Melting & Copper Hearth
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- The water-cooled copper hearth has 8 cavities (25mm Dia x 8mm depth each). This allows the melting (up to 3000°C) of 8 specimens in a single batch without cross-contamination (see pic.1 ).
- The vacuum vapor removal fixture can be installed on the CNC stage to further minimize cross-contamination during arc melting of low melting point materials.
- A water-cooled 4 mm diameter tungsten electrode /arc stinger is installed inside the glovebox with CNC X, Y, and Z positioning (see pic.3 ).
- Intergraded with the magnetic stirring function. (see gif.1)
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 pic.1  pic.2  Pic. 3  Gif.1
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CNC Positioning
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- Touch screen CNC three linear axes (X-Y-Z) of motion enables precise "arc stinger" to "hearth cavity" positioning as programmed to achieve automatic melting by touching one button.
- Arc stinger motion is driven by3 step motors to achieve X, Y, Z, or circle moment for the best melting result
- The stirring motion of the arc melting stinger can be programmed for the uniform melting of large samples.
- For each sample, the arc melting operation consists of two steps: stationary arcing step and stirring step (1 - 10mm diameter adjustable stirring motion)
- X, Y, Z motion speed: ≤ 800mm/min
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Gas-Controlled Glove Box
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- Glove Box: EQ-VGB-6OP-LD (see pic.1 below)
- Glove-box chamber dimension: 1200mm x 740mm x 900mm (LxWxH)
- Two 175mm diameter glove ports with a pair of 8 " Butadyl gloves.
- Filter system: gas outlet filters can eliminate particle size > 0.3μm
- Openable front window panel for easy equipment loading
- Arc melting stinger/gun with KF40 feedthrough to connect into the glovebox (see pic.2 and pic.3 below)
- The glove Box with H2O & O2 Purification System and Openable Front Window is included with all necessary feedthrough, which includes a CNC stage control cable, cooling water inlet & outlet, arc melting power +/-, handheld arc melting stinger, and vacuum dust removal. (see pic.4 below)
 pic.1  pic.2  pic.3  pic.4 |
Arc Melting Power Supply
 
Pic. 1 Pic. 2 |
- Input Voltage: 208-240VAC single-phase selectable, single-phase
- Current: 32 A max (50A circuit breaker).
- Rated DC output:
- Minimum DC output: 5A
- Pulse DC and AC output modes are available.
- 630A power supply is available for W based alloy ( click picture left Pic. 2 for detail specs)
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Gas Purification System
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- Automatic moisture and oxygen removal to <1 ppm (20℃, 1 atm)
- Pressure Range: ± 12 mbar
- 240 L/m Heavy-duty mechanical vacuum pump with exhaust filter is included.
- Precision Humidity Analyzer with KF25 Flange (0-999 ppm) and the oxygen sensor is installed on the Purification System with an accuracy of +/- 0.1 ppm
- Large capacity moisture filter built in the bottom of the mobile cart, which can absorb moisture up to 1.5 kg
- The regeneration Temperature Controller is built-in for filter regeneration
- An automatic pressure control system can keep the pressure at a constant level. Manual pressure control is allowed via a foot pedal.
- The touch screen panel enables easy setting, humidity, oxygen concentration, and pressure level display
- The removable control panel can be placed on the side for easy operation
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Water Chiller & Gas
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| Dimensions |
System dimension: 2300mm x 1230mm x 1880mm (LxWxH) |
Shipping Weight & Dimensions
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- Two Pallets
- #1: 1455 lbs, 80"x41"x87"
- #2: 460 lbs, 48"x40"x30"
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| Warranty |
- One-year limited warranty with lifetime support
- Rusting and damage due to improper storage condition or maintenance are not covered by warranty
- Gloves and oxygen sensors are consumable parts that are NOT covered by warranty.
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| Compliance |
- CE certified
- NRTL (UL 6101 ) or CSA Certification is available upon request at additional charges
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| Application Notes & Warnings |
- Regularly perform regeneration to maintain optimum purification efficiency.
- The O2 sensor is consumable and its expected lifespan is around one year. Please order an O2 sensor replacement at MTI at extra cost.
- The use of corrosive gasses is prohibited as they will damage the water and oxygen sensors!
- During the arc melting operation, never allow the tungsten tip to touch the material or the copper crucible! Move the glove and hand away from the copper crucible while the sample is hot or the arc melting is in operation! Use tweezers to manipulate the sample only after the sample has been cooled down.
- Never do the arc melt outside of the copper crucible! It may damage the glove box and cause electrical injury to the user.
- The user must wear safety glasses or a mask with a tinted window when operating the equipment for eye protection.
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| Operation Demo Video |
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