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55mm MORI MIU 30 COPPER TUBE MILL No 2 (14472)
Brand
Category
Type
Model
MIU 30
Stock #
14472
Year
Not specified
Condition
Not specified
Location
Connecticut
| Tube Dia | 55 millimeters |
| Max. Wall Thickness | 0.8 millimeters |
|
MORI MODEL MIU-30 TUBE MILL No 2
Stock # 14472 Machine: Cold roll forming machine and tube mill Model: MIU-30 TYPE TUBE MILL Manufacturer: Mori Machinery Corporation Construction year: 2003 Alloy: copper strip UNS C12200 Final material: welded inner grooved copper tubes for refrigeration and air-conditioned industry Type of welder: HF – high frequency The machine is assembled but is not running since 2013. 1. Main specification Width of entrance strip: 20 – 55 mm (0.787" - 2.165") Strip thickness: 0.30 – 0.80 mm Straightness of the entrance strip: 1/1000 mm Strip width tolerance: ± 0.04 mm Strip thickness tolerance: ± 0.01 mm ID for uncolier: 450 mm OD for uncoiler: <= 1500 mm Weight for uncoiler: <= 450 kg Final dimension of tubes: Ø 6.35 mm ~ Ø 15.87 mm. Tubes tolerance: ± 0.04 mm Working speed: max. 200 m/min. 2. Key Components and Functions Grooving Process Steps Copper Strip: The process begins with a flat copper strip, which is cleaned and prepared for forming and grooving. Forming Section: Roll Forming: Copper strips are fed into the machine and passed through a series of roll forming stands. These rolls gradually shape the flat strip into a tubular form. Grooving: Before the tube is fully closed, the inner surface is grooved using specialized tools. These grooves enhance the heat transfer properties of the tube, making it ideal for applications like air conditioning and refrigeration. The grooves can be of various patterns and depths, depending on the specific application requirements. Common patterns include helical and straight grooves. High-Frequency Welding Section: Induction Coil: The formed tube, with a longitudinal seam, passes through an induction coil. High-frequency current is induced in the edges of the strip, heating them to the welding temperature. Squeeze Rolls: Immediately after heating, the tube passes through squeeze rolls that press the heated edges together, forming a strong weld. The high-frequency welding process ensures a clean, precise weld with minimal heat-affected zone. Cooling and Sizing Section: The welded tube is rapidly cooled to solidify the weld and maintain the tube’s structural integrity. Sizing Rolls: The tube then passes through sizing rolls that ensure it meets the precise diameter and roundness specifications. Cutting and Finishing: The continuous tube is cut to the desired lengths using a flying saw or a similar cutting mechanism. Finishing: The cut tubes undergo finishing processes such as deburring and inspection to ensure they meet quality standards. 3. Advantages of High-Frequency Welding Efficiency: High-frequency welding is highly efficient, allowing for rapid production speeds. Quality: Produces strong, consistent welds with minimal defects. Precision: The process is highly controllable, ensuring precise dimensions and high-quality grooves. 4. Components Uncoiler Shear & Welder Dancer Roll Spiral Looper Dancer Roll and Embossing Stand Forming Section Welder Sizing Section Rotary Press Cutter Run-Out Table Water & Emulsion tank **Temporary Specifications Subject to Revisions** **PRICE QUOTED AS IS WHERE IS SUBJECT TO PRIOR SALE** **ALL SPECIFICATIONS ARE SUBJECT TO BUYERS VERIFICATION** |
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