Pulling Device
- Clamping Stroke: 250 mm
- Traction Power: Hydraulic drive
- Operating System: Mitsubishi PLC system
- Traction Clamping Window Size: Width x Height = 1000 x 750 mm
- Upper and Lower Clamping Plate Length: 1000 mm
- Reciprocating Traction Stroke: 600 mm
- Pulling Speed: 0.01 – 0.5 m/min
- Guide Rail Protection: Stainless steel bellows cover
- Clamping Power: Hydraulic clamping system
- Power Supply Voltage: 380 VAC/50Hz, three-phase five-wire system
- Maximum Traction Force: 800 kN, adjustable
- Traction Speed Adjustment: Adjustable within the designed range of pulling speed
- Maximum Clamping Force: 800 kN, adjustable
- Traction Clamping Fixture: Standard configuration with wear-resistant hard PU flat plate
- Maximum Clamping Stroke: 250 mm, max
- Electrical Components and Buttons Brands: Schneider, Chint, Omron, ABB
- Product Cooling Method: Fan cooling
- Mechanical Lubrication: Precision components (traction guide rail) are lubricated with oil/grease to prevent rust, ensure smoother operation, and extend service life.
- Safety Protection: Emergency stop buttons are installed around the equipment.
- System Cooling Method: Circulating water cooling for the hydraulic system
Fiber Creel Rack
- Fiber Package Capacity: 100 spindles per unit, equipped with yarn guide ceramic rings.
- Material: Constructed from angle steel and square steel, welded and treated with anti-rust coating.
- Overall Dimensions: Approximately 6000mm (L) x 600mm (W) x 2200mm (H).
- fiber Tensioning Device: Supports 48 units, allowing for a total of 4800 spindles (100 spindles per unit x 48 units), capable of accommodating 4800 yarns.
- fiber Guide Holes: Use ceramic rings with a diameter of approximately 8mm.
Mandrel Pushing Device
- Pushing Stroke: 1450mm (Typically, the design length of the pull-push mold ranges from 900mm to 1100mm. If the process involves resin injection, an additional 250mm to 300mm is added for the injection box.)
- Pushing Device Power: Hydraulic power
- Fixing Method: Secured with anchor bolts
- Force: ≥300kN
Winding Device
- Number of Winding Heads: 2 (bi-directional winding)
- Winding Yarn Capacity: 24 spools per head (for 2 winding heads)
- Maximum Winding Diameter: 650mm
- Winding Spacing: Adjustable
- Winding Angle: Less than 90 degrees
- Yarn Withdrawal Method: External yarn withdrawal (fixed axis diameter 75mm, customizable)
- Maximum Yarn Package Diameter: 270mm
- Winding Motor Power: Approximately 4KW
- Control Method: Variable frequency control
- Winding Speed: 0-30 RPM, adjustable
- Other Features: Synchronized control with the drawing machine
Resin System
- Number of Diaphragm Pumps: 3
- Number of Glue Boxes: 2
- Glue Box Dimensions: 1000 × 800 × 800 mm
- Air Pressure: 0.5-0.8 MPa
Die Table
- Suitable Mold Installation Length: 900-1100 mm
- Suitable Mold Installation Width: 1200 mm
- Mold Height Adjustment: Manually adjustable via a screw mechanism, with a travel range of 900 mm.
- Temperature Control Zones: 12 zones, each with a power rating of 3 kW.
- Smart Digital Temperature Control System: Displays both set and actual temperature values.
- Temperature Control Range: 0-250°C, adjustable with a precision of 1°C.
- Power Supply: Single-phase AC 220V/50Hz, equipped with aviation-style connectors.
- Mold Installation Table: Equipped with a tension sensor for real-time monitoring of pull force during production.
- Display Features:
- Pulling force display for monitoring and assessing mold blockage.
- Speed control function.
- Temperature display and control function.
- Tension display function.
- Additional Features:
- System pressure display and adjustment function.
- Speed regulation capability.
- Clamping force control function, all centralized at a main control panel.
Pull Winding Machinery
Pull winding is an advanced manufacturing process that combines pultrusion and filament winding. This technique is great for making high-performance composite tubes and profiles, as it combines the strengths of both methods. The result is lightweight, strong, thin-walled structures.
Overview of the Pull Winding Process
The pull winding process involves several key steps:
- A resin bath pulls continuous fibers, like carbon or glass. This ensures they are fully saturated with resin. This step is vital to get the right properties in the final product.
- Shaping and Heating: The impregnated fibers are then guided into a heated die. There, they are shaped into the desired profile. The heat helps cure the resin, solidifying the structure.
- Continuous Pulling: Like a moving carriage, a pulling mechanism draws the formed composite through the die. This maintains a steady output.
- Cutting to Length: It can be cut to length automatically after curing the composite.
This process allows precise control over fiber orientation, enabling manufacturers to tailor composites’ mechanical properties for specific uses.
Applications of Pull Winding
Pull-winding technology is versatile and finds applications across various industries.
- Aerospace makes lightweight, high-strength components, like fuel tanks and parts.
- Automotive: Ideal for making parts like drive shafts and gas storage vessels. This improves fuel efficiency.
- Sports Equipment: It is used to make high-performance items. These include bicycle frames and golf club shafts. Strength and weight are critical.
- Infrastructure: Used to make composite pipes and fittings. They resist corrosion and endure harsh environments.
Advantages of Pull Winding
The pull winding process offers several benefits:
- High Fiber Volume Fraction: Achieve 60% to 75% fiber content. It boosts strength without adding much weight.
- Low permeability: This results in better durability and resistance to environmental factors.
- Excellent Surface Finish: The process yields a smooth surface. It often needs no extra machining or finishing.
- Customization: Adjusting fiber angles from 0° to 90° allows for specific mechanical properties.
Comparison with Other Processes
Pull winding is more flexible and of higher quality than traditional filament winding and pultrusion. Filament winding is great for cylindrical shapes, but pull winding is better for complex profiles with varying fiber orientations. Pultrusion aligns fibers in one direction, which limits its use where multidirectional strength is needed.
In summary, pull-winding machinery is a major advance in composite manufacturing. It combines efficiency with high-quality output for many demanding uses and can make strong, lightweight parts. Thus, it is vital in modern manufacturing.