Skip to main content
1250T Cable Bridge Press press view 1
FRP Cable Tray Bridge · Hydraulic Press Machine

1250T Four Column Hydraulic Press for FRP Cable Tray Bridge

1250T Rated Capacity
180 mm/s Slider Down Speed
6–15 mm/s Slider Pressing Speed
200 mm/s Slider Return Speed

01 — Press System

1250T Four Column Hydraulic Press Machine

This 1250-ton hot press delivers heavy-duty, corrosion-free FRP cable trays with exceptional structural integrity and consistent large-format consolidation. Equipped with an efficient cooling system, it maximizes production speeds while maintaining sustainable, cost-effective operations.

Use Case

The 1250-ton four-column hydraulic hot press provides high-tonnage compression molding specifically tailored for large-span FRP cable trays and heavy-duty industrial infrastructure components. It handles deep rib consolidation and wide-surface area molding to deliver flame-retardant, high-load-bearing composite products.

  • Core Applications: Heavy-duty cable management systems, industrial infrastructure projects, and chemical-resistant support routing.
  • Material: Glass fiber-reinforced resin matrix (Polyester/Vinyl Ester/Epoxy) with ATH flame retardants and UV/anti-corrosion additives.
  • Products Processed: Wide-span FRP cable trays, ladder-type cable systems, industrial composite panels, and ribbed structural supports.
  • Why 1250 Ton Hydraulic Press: Provides high pressure to consolidate large surface areas (600–1200 mm width) and thick ribbed structures for uniform curing.

02 — Technical Specifications

SM 1250 HP – HYDRAULIC PRESS MACHINE COMPLETE TECHNICAL DATA

SM 1250 HP – Hydraulic Press Machine delivers powerful and precise performance for FRP cable tray production with complete technical reliability. It ensures high-strength output, uniform curing, and efficient large-scale manufacturing for infrastructure applications.

Capacity & Structural Design

  • Rated Capacity: 1250 Tons (≈ 12,260 kN)
  • Type: Four Column hydraulic hot press
  • Frame: Heavy welded + stress-relieved
  • Safety factor: ≥ 1.35–1.40
  • Deflection: ≤ 0.08–0.12 mm (high rigidity required)

Hydraulic System

  • Main cylinder: Double acting
  • Bore: 600–750 mm
  • Stroke: 800–1200 mm
  • Working pressure: 30–32 MPa
  • Servo-proportional hydraulic control (recommended)

Compression Cycle (FRP Molding)

  1. Fast mold closing
  2. Low pressure fiber settling
  3. High pressure compression
  4. Heat curing (thermoset cross-linking)
  5. Dwell time (curing stabilization)
  6. Controlled decompression
  7. Mold opening

Heated Platen System

  • Heating type: Thermal oil circulation (preferred)
  • Temperature range: 120–180°C
  • Uniformity: ±2–3°C (high precision)
  • Multi-zone heating control

Working Envelope

  • Platen size:
    • Standard: 1500 × 1500 mm
    • Optional: 2000 × 1500 mm (wide trays)
  • Daylight: 1500–2200 mm
  • Column diameter: 220–300 mm

Controls & Automation

  • PLC (Siemens / Mitsubishi)
  • Advanced HMI (recipe-based cycles)
  • Pressure–temperature–time graph control
  • Data logging (QA + traceability)
  • Safety PLC + interlocks

SM 1250 HP — Model Specifications

  • Nominal Force: 12500 KN
  • Maximum Hydraulic Pressure: 25 MPa
  • Max Opening Height of the Slider: 1500 mm
  • Max Stroke of the Slider: 900 mm
  • Effective Bed Size: 1400 × 1400 mm
  • Slider Down Speed: 180 mm/s
  • Slider Pressing Speed: 6–15 mm/s
  • Slider Return Speed: 200 mm/s
  • Ejector Cylinder Nominal Force: 600 KN
  • Stroke of the Ejection Cylinder: 300 mm
Production Case Study

Heavy Electrical FRP Cable Tray Bridge Production Line

FRP CompositeMaterial
Cable Tray BridgeProduct
180 to 360 SecCycle Time
140–170°CTemperature
Heavy duty load capacity
Superior corrosion flame resistance
Precision structural rib consolidation
High electrical thermal insulation
Uniform large surface curing
Long term structural durability

03 — Die / Mold System

Precision FRP Cable Tray Die Mold Engineering

Precision FRP Cable Tray Die Engineering ensures accurate shaping, uniform thickness, and strong structural integrity. It delivers consistent quality, corrosion resistance, and long-lasting performance for industrial cable management systems.

Technical Specifications

Mold Type

  • Heavy-duty compression mold (matched die)
  • Thermoset FRP heated mold

Mold Materials

  • Tool steel: H13 / CrMo alloy / P20
  • Hardness: 48–55 HRC
  • Anti-corrosion coating (optional)

Mold Construction

  • Upper punch:
    • Defines top structure
  • Lower cavity:
    • Defines ribs + base
  • Precision guide system (alignment ±0.02 mm)
  • Ejection system:
    • Hydraulic ejectors
    • Pneumatic assisted

Heating System

  • Internal oil channels
  • Multi-zone heating
  • Temperature uniformity control

Venting / Degassing

  • Resin gas vent grooves
  • Air escape channels
  • Prevents:
    • Voids
    • Blisters
    • Incomplete curing

Surface Finish

  • Smooth internal surface (cable protection)
  • Matte/anti-slip outside
  • High-gloss optional finish

Mold Life: 200,000 – 400,000 cycles

Case Study (Die Performance)

Precision FRP Cable Tray Die Mold

P 20/H13 AlloyDie Steel
48–55 HRCHardening
Vacuum HardeningHeat Treatment
High precision cavity profiling
Hard chrome plated surface
Superior abrasion erosion resistance
Uniform electric heating channels
Excellent thermal expansion stability
Extended heavy duty lifecycle

04 — Product Application

Where Heavy Duty FRP Cable Trays Are Used

Heavy-duty FRP cable trays are widely used in power plants, industrial facilities, infrastructure projects, and commercial buildings for efficient cable management. They offer high strength, corrosion resistance, and long-lasting performance in demanding environments.

Industry Applications

Electrical & Power

In the electrical & power sector, heavy-duty FRP cable trays are used in power plants, substations, and transformer yards for reliable cable management. They offer high strength, corrosion resistance, and long-lasting performance in demanding environments.

Oil & Gas / Chemical

In the oil & gas and chemical sectors, heavy-duty FRP cable trays are used in offshore plants and chemical processing units exposed to corrosive environments. They provide excellent corrosion resistance, durability, and reliable cable support in harsh conditions.

Infrastructure

In infrastructure projects, heavy-duty FRP cable trays are used in metro rail systems, airports, and smart city developments for efficient cable management. They ensure durability, corrosion resistance, and reliable performance in large-scale environments.

Industrial Manufacturing

In industrial manufacturing, heavy-duty FRP cable trays are used in factories, steel plants, and cement plants for efficient cable management. They provide high strength, corrosion resistance, and reliable performance in demanding industrial environments.

IndustryScenario
Power Plants High load cable routing
Oil & Gas Corrosion-proof trays
Infrastructure Metro & airport cabling
Industrial Factory cable systems
IT & Data Centers Fire-safe cable routing

Finished Product Gallery

05 — Key Advantages

Why Choose the 1250-Ton Sinter Hydraulic Press

It delivers powerful compression and uniform curing for high-strength, durable cable trays. Designed for large-scale manufacturing, it ensures consistent quality and reliable performance in demanding infrastructure applications.

01

Uniform fiber impregnation

Ensures even resin distribution and proper fiber wetting throughout the FRP structure. It enhances mechanical strength, durability, and overall product reliability.

02

Precise curing control

Ensures accurate control of temperature and pressure during curing. It delivers consistent quality, optimal strength, and defect-free FRP cable trays.

03

Fire retardant

Produces FRP cable trays with excellent fire-resistant properties. It ensures enhanced safety and reliability in high-risk and fire-prone industrial environments.

04

High load bearing

Produces FRP cable trays with excellent load-bearing capacity. It ensures strong structural performance and reliability in heavy-duty industrial and infrastructure applications.

05

Replacement for steel/aluminium trays

FRP cable trays provide a lightweight, corrosion-resistant alternative to traditional steel or aluminium trays. They offer longer service life with reduced maintenance in harsh environments.

06

High demand globally (infrastructure sector)

FRP cable trays are witnessing strong global demand due to rapid infrastructure development. They offer reliable, corrosion-resistant solutions for modern power, transport, and industrial projects.