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Yamuna, Coating Line, 2200mm Fabric Width, Knife Coating, Tenter Pin/Clip, 5 Zones (New)

Yamuna, Coating Line, 2200mm Fabric Width, Knife Coating, Tenter Pin/Clip, 5 Zones

Description

  1. Overview
    1. Fabric width: 2200 mm
    2. Roller face: 2400 mm
    3. Mechanical speed: 15 m/min
    4. Operating speed: 5 – 30 m/min depending on the coating and application
    5. Drive side: left
    6. Voltage: 415 V, 50 Hz or as per customer
    7. Air: 6 bar pressure, oil and water free
    8. Heating: by gas burners (gas to be supplied at specified pressure and volume)
  2. Unwinding From “A” Frame
    1. Capacity 1500 mm diameter: with positive unwinding with geared motor
    2. Pulling nip between “A” frame with load cell to control the unwinding tension
  3. Coating Head (2)
    1. Max web width: 2200 mm
    2. Coating width max: 2100 mm
    3. Coating weight dry: 8 to 300 gsm
    4. Solid contains %: 45 to 60%
    5. Roller face width: 2000 mm
    6. Mechanical speed: 2.5 to 15 m/min max
    7. Main coating roller: hard chrome plated D345
    8. Required power load: 7.5 hp approx
    9. Input voltage: 3 phase 415 V / 50 Hz or as per customer
    10. Air volume: 10 to 20 cfm @ 7 kg/sq cm pressure
    11. Coating method: knife on roll – dry weight min 40 and max 300+ gsm, depends on solid contains and viscosity
    12. Coating method: knife on air – dry weight min 8 and max 20 gsm, depends on solid contains and viscosity
  4. Knife Coater
    1. Frame structure made out of 27 mm thick machined plates
    2. Dia. 345 mm chrome plated coating roller having a concentricity within 10 - 15 microns mounted on bearings with arrangement of minimum clearance
    3. 210 mm dia. chrome plated draw roller with pneumatically operated rubber nip roller dia -170 mm for positive pulling from unwind stand
    4. Knife coating unit with inbuilt arrangement of knife on roll, knife on air and dual knife rotation system
    5. The knives (knife on roll and knife on air) made out of carbon steel – C45, all surfaces ground and hard chrome plated
    6. A.C motor gear box to rotate the knife holder and bring in position either on knife at desired angle
    7. A micro adjustment system to adjust the gap of knife individually / simultaneously by motorized operating system, min gap 50 microns (0.050 mm) can be set over roll
    8. Digital indication of gap between knife and roller at both side LH and RH
    9. Pneumatically operated locking device for knife rotation and knife slide for air
    10. Pneumatically operated quick lifting cylinder arrangement to lift the knife upwards allowing to pass the joint while running
    11. Side limiters motorizes on the knife holder itself, facilitating the web width adjustment for both knives (knife on roll and air)
    12. Motorized operated paste delivery device on top side for uniform paste supply on fabric width, with AOD pump, fitting and liquid level controller assy
    13. A necessary pneumatic elements such as pressure switch, regulators, FRL unit, toggle valves and solenoid valves from standard manufacture
    14. A rubber coated bow roll – D90mm x 2000 at entry of coating roller
  5. 5 Chamber Stenter, Pin & Clip Type
    1. Operators platform
    2. MS fabricated box type body (painted) with powder-coated doors
    3. One cross beam with machined and polished plated to rest the rail and enable its free movement based on the signals received from in feed device
    4. Two guide rollers
    5. Two operator control cabinets housing push buttons, speed indicators, ampere meters and other controlling buttons
    6. Fabric transportation: one set casted rails with ground finish enabling smooth sliding of the chain, 3.3 m entrance track with ball bearings set
    7. One set spring operated chain tensioning system
    8. One set chain with pin & clip type
    9. One set limit switches to control chain tensioning
    10. One pair E+L KR 43 photocell with FR 15 sensors for fabric edge sensing and controlling the position of the inlet rails
  6. Dryer (Varioflow) – 5 Chambers
    1. Frame structure constructed with heavy angle section
    2. Chamber length: 3 m each
    3. Interiors will be high temperature resistant painted
    4. Closed circuit air circulation
    5. Individual blowers for top and bottom jets - 4 nos
    6. Directly couple blower motors per chamber. Air ratio between top and bottom jets can be controlled and adjusted easily at fingertip through touch screen at the central control unit
    7. Special feature for coating – if desired only top or bottom air can be used individually which will reduce the connected load to 50%. This is not possible in systems with single blower for top and bottom jets where mechanical dampers are used to control the air flow
    8. Gas fired - Maxon make burners, model Valupak 300, one per chamber (total 5 nos.)
    9. Dual filters - easily removable from outside for cleaning even when the machine is running
    10. Insulation is rockwool with 96 kg/m3 density – 125 mm thick panels
    11. Door and panel sealing by silicon
  7. Stenter Exit
    1. One set heavy duty bevel gear box rested on machined rails. Driven by AC motor
    2. Bevel gear box driven by spline shaft and AC motor
    3. One no driven MS roller with fillet for fabric take off
    4. One pair de pinning device
  8. Two Nos. Cooling Cylinders
    1. M.S. frame connected with each other with channel tie bar
    2. 2 nos. of cooling drum made of stainless steel roll having 400 mm dia will be provided. The drum will be mounted on bearing pillow block with necessary rotary union
    3. One drive with reduction gear box and AC motor
  9. Fabric Winder on “A” Frame
    1. Capacity 1500 mm diameter
    2. One no. load cell for tension control during winding. This load cell is common for both winders as only one winder will operate at a given time
    3. Winders will be with M.S. frame with geared motor (each 3.7 kW) with adaptors
    4. These adaptors will couple on the “A” frame for winding. The drive control system for this winders will be torque controlled VFDs, with PLC and load cell feedback
  10. Electric Control Panel
    1. MS fabricated closed panel with optimum cooling
    2. A/C drives: ABB/Yasikawa make
    3. Switch gears will be Siemens / L&T make
    4. PLC and touch screen controls for controlling and monitoring the process parameters
    5. Interconnecting cables/trays between machine control panel and individual motors and sensors