SKJ-ARC is a single-crystal grower with four-gun arc melting in the vacuum chamber and a pulling and rotation mechanism. The crystal grower is designed for growing a single crystal of high-temperature metallic alloy up to 3000°CSpecifications: Power Supply Input voltage: 220 VAC selectable, single phase Input power: 15KW. (One 40A breaker is installed in the power supply. Recommended wall breaker amp ≥ 75A) Output DC: Four guns for arc melting Each gun 15 V / 185 A at 35% duty cycle Four independent power supplies for each gun Pulse DC and AC output modes are available Foot pedal control of the output current Vacuum Chamber The vacuum chamber is made of SS304 with a water-cooling jacket Chamber size: Φ257*360mm Vacuum level: 10-2 torr by the mechanical pump and 10-6 torr by turbopump The vacuum pump is not included; please click the picture below to choose one based on your budget Crucible Water-cooled copper crucible plate with 70 mm Dia. × 15 mm depth Max. melting amount in 70 mm single cavity crucible is about 100 g Fe-based > 110 L/Minute at 30oC recirculating water flow is required The water chiller is not included. Please click the picture on the left to order Pulling Mechanism Pulling Speed: 0.2 - 10 mm/h Pulling Rod Rotation Speed: 0.03 - 40r/min Pulling travel distance: 0 - 70 mm Faster travel: Manual operation Optional: A water-cooled pulling rod is available upon request at extra cost. Compliance NRTL certification is available upon request