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18" TWO ROLL MIXING MILL
4. Main technical data:
4.1 driven direction right
4.2 roller type smooth, hollowed
4.3roll working size Φ450×1200mm
4.4front roll linear speed 21.8 m/min
4.5roll ratio 1:1.27
4.7 nip adjust type motor
4.8 safe pin break pressure 700±100kN
4.9capacity one batch 50 (1.15)
4.10 stock blender
(hard chrome plated to avoid rusting)
Carry-over pinch rolls power 3kW
Carry-over pinch rolls speed 3~26 m/min
swing rolls power 1.5kW
swing times 7.5 times/min
amplitude of swing 820mm
4.11overall size(L*W*H) ~5000×1900×1850mm
4.12estimate weight 11.4T
5. Main structure:
5.1. Roller: material is chilled cast alloy iron, the hardness of surface is 70±2HSD,the depth of chilling layer is 5~20mm;Roller surface is smooth, a little like a drum-type
5.2. Roll bearing and oil seal use the four row cylindrical roller bearing, which can save 10-15% energy bearing both ends seals adopt un-reinforced seals, the material of seals is FKM,
5.3.Roll bearing lubrication uses the grease lubricating with manual grease pump.
5.4.Bearing housing is made from grey cast iron, made by annealing process and have a lubricate hole.
5.5 .Nip adjustment device is driven by Motor, include reducer, worm wheel, worm and dial scale and so on .it can adjust singly and synchronally.
The worm gear for adjusting the gap of Mixing roll must be hardened.
5.6. Frame and frame cap :frame is made from cast iron, frame cap is made from cast steel by annealing process.
5.7. Bed plate is made by welding and annealing process
5.8. Stock guide : fix type, bracket is made of cast iron , under the main body material embedded in nylon 66,
5.9.Driving system is enclosed , the main motor drive the ratio gear through coupling ,reducer and stick pins coupling ,the ratio gear drive the front and rear rollers do relative movement. The motor is 3-phase asynchronous motor, protect level is IP44.
The reducer is harden finished gearbox reducer, single shaft, with oil bath lubrication driving gears and bearings
5.10. Roll temperature adjustment: consist of rotary joint and the spary pipes, etc.
5.11. Emergency stop and brake device: adopts dynamic braking, there are emergency rod on the top of machine and emergency stop button at the inside of frame, and the roller will stop in 1/4 cycle when the button is pressed.
5.12. The stock pan is made from steel plate
5.13. The main motor start type: star angle type
5.14. Cutting knife device: manual cutting knife, 2 pcs
6. Motiver request
6.1. Power supply :AC380V±10%,3 phase 50Hz±0.5Hz
6.2. Main motor protect class:IP44
6.3. Whole engine power: about 75kW
6.4. Cooling water pressure: 0.3~0.4MPa, pure water
Cooling water temperature:<25°C±3°C
Cooling water consume capacity: about 12m3/h