User manual BAUER GIT BROCHURE

[. . . ] We denote by GIT, the method of blowing gas, especially nitrogen in the plastic, so that a hollow tubular channel is created. Previously, the plastic had been melted and injected into a mould, which for thick pieces of plate, it was not possible to produce a flattened bubble. Plastic 1 2 THE dIffERENT TECHNIqUES There are at least 10 variants of GIT, based on the type of piece produced and its needs. The two most commonly used techniques are briefly explained as follows: The partial original method, which is to fill 50-90% of the cavity with plastic. By moving the mass of hot plastic, the gas can finish filling 100% while creating a hollow tubular channel. [. . . ] 2 A high pressure compressor with a suitably sized gas receiver facility for the compression and safe storage of nitrogen at high pressures. 3 High pressure lines to transport the nitrogen. 4 Distribution panel that generates a pressure- / time profile to dispense the nitrogen. GIT-sysTEms 5 5 6 4 7 4 8 3 2 5 6 Gas injectors to fill nitrogen into the plastic parts for hollowing. Bypass valve available to prevent the ingress of dirt into the proportional regulating valve. 7 Flushing Module FM1 assures quick cooling, which it turn reduces the cycle times. 8 Mass flow meter MF II for exact measurement of the nitrogen consumption. BAuEr KOMPrESSOrEN GIT-sysTEms Product range for nitrogen compression Wherever high pressure nitrogen needs to be generated in a confined space providing economically efficient continuous and autonomously nitrogen supply, BAUER high pressure compressors and booster will perform the task quietly and reliably to meet the demands of one or multiple injection moulding machines. THE mINI-VERTICUS III-RANGE Soundproof and compact The perfect unit for confined areas in industrial applications ­ available as a compressor with atmospheric or booster inlet conditions. Multi stage piston compressor units, lubricated, soundproof <70 dB (A), with a final separator and filtration system P61 type for securing a compressed gas with high purity. Complete system mounted on skid with up to two HP cylinders, compact and limited to small compressor block range. 1) l/min m3/h 5 7, 5 10 13 Number of stages Speed r. p. m motor power kW 3 4 4 5, 5 Power Net weight consumption approx. kW 2, 2 3, 1 3, 7 4, 7 kg 255 255 260 260 350 bar / 5000 psig, High pressure compressor for nitrogen MV-GI 100-3-3 MV-GI 100-4-3 MV-GI 120-4-3 MV-GI 120-5, 5-3 85 125 170 215 3 3 3 3 900 1270 1200 1470 model f. A. d. 1) l/min m3/h Number Intake Operating Speed motor Power Net weight of stages pressure pressure power consumption approx. (bar g) 5-11 bar 90-350 r. p. m 1230 kW 5, 5 kW 3, 3-5, 1 kg 275 350 bar / 5000 psig, High pressure booster for nitrogen MV-GIB 12. 2-5, 5-3 200-4752) 12-28, 5 2 1) measured acc. to IsO 1217. 2) maximum capacity according to the combination of intake and final pressure. GIT-sysTEms THE VERTICUS 5 RANGE The high pressure compression under control. Multi stage piston compressor/booster units, lubricated, with a final separator and filtration type P61 / P81 for securing a compressed gas with high purity. The B-CONTROL controller allows to monitor the operation of the compressor and to indicate the alarms such as temperatures, operating pressures, oil pressure and maintenance, etc. 500 bar discharge pressure version optional. model f. A. d1) l/min GI - Range, 90 - 350 bar / 1300 - 5000 psig GI 100-3-5 GI 100-4-5 GI 120-5, 5-5 GI 15. 1-7, 5-5 GI 15. 1-11-5 GI 150-11-5 GI 180-15-5 GI 15. 11-7, 5-5 GI 15. 11-11-5 GI 18. 1-15-5 85 125 215 340 420 500 610 310 420 550 5, 1 7, 5 13 20, 4 25, 2 30 36, 6 18, 6 25, 2 33 3 3 3 4 4 4 4 4 4 5 900 1270 1470 1050 1320 1230 1320 960 1320 1320 3 4 5, 5 7, 5 11 11 15 7, 5 11 15 2, 2 3, 3 4, 7 6, 9 9, 6 10, 2 12 7 10, 4 12, 4 335 340 355 440 450 460 470 470 470 470 Number Speed of stages m3/h r. p. m. motor kW Power Net weight consumption approx. kW kg GI - Range, 350 - 500 bar / 5000 - 7200 psig model Intake pressure bar(g) f. A. d. 1) l/min 200 - 4752) 510 - 750 2) 2) Number of stages m3/h 12 - 28, 5 30, 6 - 45 27 - 48 2 2 3 Speed r. p. m. 1230 1140 1320 Power consumption kW 3, 3 - 5, 3 6, 6 - 8, 2 7, 6 - 12, 2 BOOSTER GIB, 90-350 bar / 1300-5000 psig GIB 12. 2-5, 5-5 GIB 15. 3-11-5 GIB 15. 4-15-5 5 - 11 7 - 10 2-4 450 - 800 1) measured acc. to IsO 1217. 2) maximum capacity according to the combination of intake and final pressure. BAuEr KOMPrESSOrEN GIT-sysTEms The fCC 5 - the latest first-class controller THE dISTRIBUTION PANEL BAUER distribution panels have been in operation worldwide for the past 10 years. These mature and well proven control systems guarantee the user maximum reliability, with minimum downtime. INTERfACE ANd CONTROLLER Seven levels of time pressure with ramps transition in time. Programs and data quality storage on internal memory Compact Flash, USB key or via Ethernet. Screen service with maintenance history and display technician diagnostic. Usage with 2 moulding machines possible (option). CONNECTIONS Start signal: screw position or the start of plastic injection. [. . . ] Remote control for Start/Stop, Injector test, Reset IP address functions. Green and red lights inform on panel status (ready, cycle in progress, alarms, etc. ). Programs and quality data storage on internal memory Compact Flash. CONNECTION Start signal: start of plastic injection. Compatible with all injection moulding machines including EUROMAP 62 standard. [. . . ]