Part Four: How to run a filament machine?
Pay Attention Item
1. Before Starting the extruder, please make sure the heating temperature reach the setting temperature, and make sure the setting temperature should fit the melt temperature.
2. Before starting the extruder, please make sure filling into the gear oil. The oil model is Medium heavy gear oil #150.
3. The temperature of the screw cylinder and die is very high when they work, so please do not touch these parts.
4. Tractor belt clamping down relax pneumatic clamping control, when a sudden power outage, the upper and lower belt may be due to the lower weight belt mechanism of pressure, do not reach into any time between the upper and lower belt.
5. The operation must be guided by profession people when maintain the machine and clean the control cabinet. Be sure the power and air source are shut.
6. Take the reel is rotating parts, prohibit any involvement in the operation may cause the human body and may cause harm to the job.
7. Make sure power connect ground.
Operating Procedure
1. Use of high mixers
The material into a high mixer, stirring 4 to 10 minutes, according to the different materials can be changed to change the mixing time. After the material is agitated, open the discharge valve through the pneumatic valve to pour the material into the zero reserve bucket, and then open the vacuum suction machine, according to the drying hopper reserves, set the vacuum suction machine working time.
2. 300L drying hopper charging process and related settings
When the drying cartridge is filled with material, the different materials are set at different temperatures and drying times, depending on the prompts on the operation panel. For example, ABS drying temperature of 80 ℃, drying 2 hours, which are in the drying hopper on the operation panel has a detailed description, not to be described here.
3. The loading of material of the extruder
In the extruder is equipped with a 50L drying hopper, drying hopper above a vacuum suction machine, vacuum suction machine suction pipe inserted in the 300L drying hopper below the zero storage tank, according to the host to eat The amount of work to set the vacuum suction machine and pause time, so as to achieve a coherent workflow.
4. Voltage: 380V,50HZ,3PH, Power Supply 5-wire System, Air compressor to Provide 4-6KGF/CM2, Inject Circulating Water. After all be ready, put through power supply, open the main power switch and other all controlling switch of operating boxes.
5. Set the heating temperature of screw cylinder and the die, open the heating switch.
6. Load material to dryer hopper (dryer hopper should been cleaned), open the dryer hopper switch and set the heating temperature. Attention: Shut down the hopper plate to prevent the material into the screw cylinder .
7. Inject clean and normal temperature water to the water box and the water level should reach about 3/4 of the water box. Open the circulating water pump, and adjust the water level which should be equal with the water tank. Equip the winding plastic shaft to the right and left spool of the winding machine. Please heat the hot water tank up to 40~70 degree, when you produce PLA.
8. 20 minutes after reaching the setting screw cylinder temperature, open the hopper plate, open the screw extruder, adjust the speed of extruding. When the plastic strand be extruded from die face, haul the strand with hand through the water tank, water blowing machine and haul off machine. Tight the traction belt when the plastic stand be through the haul off machine. Wind the plastic strand on the reels with correct methods.
9. Start rolling axles
10. According to the diameter of plastic strand, adjust extruding speed and hauling off speed. After reaching the needing diameter of plastic filament, can adjust Synchronous speed controlling button (the button is on the PLA) to add speed .
11. Set the meter account, press current (left or right) spool stop, and wind the plastic strand to other wire coil, press (right or left) spool start.