Desktop Small Lab Film Blowing Machine

Desktop small lab film blowing machine Desktop film blowing machine consisted of a small single screw extruder and small film blowing tower. It is the best choice for quality control and testing the color distribution. The desktop small film blowing machine structure is compact, simple operation, can be used for single and multi-layer blown film, can be applicable to all polymerdispersion research. Parameters: 1. Single screw extruder Screw diameter Φ 20  Length diameter ratio 1:28 Screw speed 0 - 95 rpm frequency control  Screw/Feeding barrel material: 38CrMoAl chromium-molybdenum steel.With the surface-layer processing of tempering, nitriding, chroming, polishingand super-precision grinding, the hardness HRC55~60, roughness Ra≤0.4μm,nitriding depth≥0.6mm. Electric control system: PLC programmable color touch screen,man-machine interface operation system, can dynamically display and monitorextrusion process, including temperature control, driving, pressure,interlocking spreading function. 2. Film blowing tower Diameter of dies Φ 30 Driving rolling speed 0.5- 2 m/min adjustable Maximum folded diameter of the film 100 mm Traction motor 50 W Fan 0.15 KW Rolling torque motor 2.5 N.m Power supply 3 ∮, 50 HZ, 5 lines Huffing air: 0 -5 bar compressed air. Cooling air: 20 L/min air blower flow.