F-Type 3-Roll Rubber Calender Machine with 500mm Cylinder Diameter 10kW Power and 1000mm Roll Length for High-Quality Composite Rubber
The "F-Type" configuration features three rolls arranged vertically or near-vertically, resembling the letter "F". Material feeds between the top and middle rolls and exits between the middle and bottom rolls. The three precisely machined cylinders rotate in opposite directions to process rubber compounds into continuous sheets.
- Precision Roll Grinding: Rolls ground to tight tolerances ensure perfect cylindricality and eliminate thickness variations.
- Roll Bending Compensation: Hydraulic cross-axis adjustment counters roll bowing under pressure for uniform sheet thickness.
- Controlled Nip (Gap): Micro-adjustable gaps between rolls enable precise thickness control.
- Specialized for Friction Coating and Topping processes
- Simultaneously processes fabric substrates (nylon, polyester, steel cord) with rubber compounds
- Speed differential between rolls forces rubber penetration into fabric weave
- Bottom nip allows lamination of additional rubber layers or final sizing
- Ideal for conveyor belts, tire carcasses, and inflatable rafts
- Heat exchange rolls maintain precise temperature profiles using steam, hot water, or thermal oil
- Hot rolls maintain compound viscosity for processing
- Cooler rolls at final nip "set" the sheet and prevent sticking (airing process)
- Heavy-duty frame withstands significant separating forces
- Variable-speed motors enable precise roll speed and friction ratio control
- Integrated PLC and HMI for recipe storage, process automation, and repeatability
| Model | Roller Dia * Length (mm) | Mid-Roller Liner Speed (m/min) | Calendaring Width (mm) |
|---|---|---|---|
| XY-3I1120 | 360*1120 | 7.5-22.5 | 900 |
| XY-3L1120 | 360*1120 | 2-20 | 900 |
| XY-3I1400 | 400*1400 | 8.8-26.39 | 1200 |
| XY-3I1450 | 450*1450 | 2.5-25 | 1225 |
| XY-3F1600 | 510*1600 | 2.5-25 | 1375 |
| XY-3F1520 | 560*1520 | 1.5-15 | 1200 |
| XY-3F1830 | 610*1730 | 4.5-45 | 1500 |
| XY-3F2540 | 810*2540 | 3-30 | 2300 |
| XY-3F3400 | 900*3400 | 0.54-5.4 | 3200 |
| XY-4F1120 | 360*1120 | 7-21 | 900 |
| XY-4F1400 | 400*1400 | 8.8-26.39 | 1200 |
| XY-4Γ1600 | 560*1600 | 3.5-30 | 1400 |
- Pre-Feeding: Pre-warmed rubber compound fed into top nip via extruder or 2-roll mill
- Fabric Insertion: Fabric substrate fed between rubber compound and middle roll
- Coating (Top Nip): Rubber forced into fabric weave under heat and pressure with speed differential
- Lamination/Sizing (Bottom Nip): Coated fabric calendered to final gauge or laminated with additional rubber layer
- Take-Off and Cooling: Finished sheet stripped by precision conveyor and cooled over drums to stabilize dimensions
- Inverted L-Type (4-Roll): Better for simple sheeting but less effective for friction coating
- Z-Type (4-Roll): Minimizes roll deflection but more complex for fabric coating applications
This system uniquely combines three critical functions in one continuous process:
- Precision sheeting with exceptional thickness uniformity
- Superior fabric coating capability for strong, void-free bonds
- Efficient laminating of multiple rubber and fabric layers
The F-type 3-roll rubber calender is indispensable for manufacturing high-performance rubber products requiring consistency, strength, and precision.
500mm Cylinder Diameter Rubber Calender Machine
,10kW Power 3-Roll Calender
,1000mm Roll Length F-Type Calender
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