3 Ton European Overhead Crane Kit for Mold Assembly in Chile

Executive Summary

When a prominent industrial machinery fabricator in Santiago, Chile, expanded its high-precision mold assembly operations, it faced a material handling challenge. The project required a 3 ton overhead crane system with controlled positioning, reliable electrical operation, and a practical approach to international shipping.

To reduce the cost and volume of shipping a complete crane structure, Yuantai Crane supplied a European single girder overhead crane Kit (SKD Solution). The package included a pair of end carriages, a dual-speed electric chain hoist, dual control systems, C-track festooning, conductor busbar and other key components, while the client fabricated the main girder locally based on Yuantai's drawings.

This approach allowed the customer to combine locally fabricated structural steel with key crane components supplied by Yuantai Crane.

Project at a Glance

The Operational Challenge & Logistical Hurdle

Precision mold assembly requires controlled material handling. Machining dies and injection molds can weigh several tons and have high replacement costs, so smooth lifting and positioning are important when placing an upper die plate onto alignment pins.

The Chilean client was preparing a workshop bay with a 12-meter span and 6-meter hook height. A complete overseas crane would also require the main steel girder to be transported internationally.

The project therefore involved three main considerations:

Prohibitive Ocean Freight Costs:

Shipping a 12-meter steel main girder from China would add considerable volume and weight to the shipment. The client already had local steel fabrication capability, making local girder fabrication a more practical option.

Positioning Accuracy:

Mold assembly requires controlled lifting and travel speeds. A dual-speed hoist was selected to provide a slower speed for positioning operations.

Reliable Operation:

The crane would be used in a production environment, so the client required a reliable power supply and multiple control options for daily operation.

The Yuantai Solution: Modular European Crane Kit

Since the client could fabricate the main girder locally, Yuantai Crane proposed an OEM Crane Kit strategy (SKD).

Instead of shipping the complete structural crane, Yuantai supplied the key mechanical and electrical components together with the main girder manufacturing drawings. This allowed the client to manufacture the steel structure locally while keeping the main lifting and travel components as a single, matched crane system.

1. Micro-Speed Hoisting for Delicate Mold Alignment

To meet the positioning requirements of mold assembly, Yuantai supplied a dual-speed electric chain hoist.

The slower 1.8 m/min lifting speed allows the operator to make more controlled movements when positioning molds on machining beds or aligning components.

The compact chain hoist configuration also provides a relatively small hook approach dimension, helping make better use of the available working space.

2. Redundant Control Architecture: Pendant + Wireless Remote

The crane was supplied with two independent control options:

Radio Remote Control

• Allows the operator to move around the work area.
• Provides a better viewing position when handling large molds.
• Helps the operator check clearances during positioning.

• Suspended from a dedicated festoon track along the crane bridge.
• Provides a wired control option for daily operation.
• Can be used when the radio remote is unavailable or requires maintenance.

This dual-control arrangement gives the customer greater flexibility during mold handling and workshop operations.

3. Power Supply Systems for Trolley and Long Travel

The 3 ton crane uses separate power supply arrangements for trolley and long travel movements.

Trolley Power: C-Track Festoon System

The C-track system guides the flat cable as the hoist trolley moves along the bridge. It provides an organized cable arrangement and helps reduce cable interference during repeated trolley movement.

Long Travel Power: Conductor Busbar

For crane long travel, Yuantai supplied a continuous conductor busbar system along the runway. The conductor system provides power to the traveling crane through current collectors.

The busbar components can also be packed efficiently with the other crane kit components, helping simplify overseas transportation.

4. End Trucks with Soft-Start Drives

The kit includes precision-machined end carriages with drive units, bearings and buffer stops.

The travel system uses soft-start characteristics to provide smoother acceleration and deceleration along the runway. This helps reduce sudden movement and lateral loads on the crane structure during travel.

Implementation & Local Manufacturing Support

A key part of this overhead crane kit project in Chile was the coordination between Yuantai's supplied components and the customer's local fabrication capability.

Yuantai provided:

Complete Fabrication Drawings

Structural drawings and connection details for the 12-meter main girder, allowing the customer to fabricate the beam locally using available steel materials.

Pre-Wired Electrical System

The electrical panel and wiring were prepared according to the crane configuration, with clearly identified terminals and English/Spanish electrical documentation.

Pre-Shipment Testing

The supplied hoist and end trucks were inspected and tested at the factory before packing and shipment.

After arrival at the Port of Valparaíso, the client used local steel materials to fabricate the main girder according to Yuantai's drawings. The crane was then assembled with the supplied end trucks, hoist and electrical components.

Project Results

The SKD approach helped the customer reduce the amount of structural steel shipped internationally while maintaining the required crane configuration.

65% Savings on Logistics

By opting for a bridge crane kit rather than a fully fabricated crane, ocean freight costs were reduced by nearly two-thirds, keeping total capital expenditure well within budget.

30% Faster Mold Setup

The combination of 1.8 m/min creep hoisting speed and dual-speed trolley travel cut mold alignment times significantly while reducing the risk of tool impact during assembly.

Uninterrupted Operations

The dual-control setup and seamless conductor rail have delivered 100% operational uptime since commissioning in Santiago.

Enhanced Safety Standard

Wireless operation allows personnel to remain outside load drop zones during heavy lifts, supporting safer material handling in the workshop.

Tailored Crane Kit Solutions for Latin America

To support crane builders, EPC contractors, and end-users across Latin America, Yuantai Crane supplies European-standard crane kits for different lifting and working conditions.

The following configurations show how the main crane components can be selected according to the application:

Whether the project requires a standard single-speed kit for maintenance work or a more advanced system for continuous production, Yuantai Crane can supply the required crane components, engineering drawings and electrical systems according to the customer's local manufacturing conditions.

Why Latin American Fabricators Partner with Yuantai Crane

As industrial manufacturing expands across Chile, Mexico, Colombia, Peru, Argentina and other Latin American markets, local steel fabricators and crane builders can use crane kits to combine local structural fabrication with internationally supplied crane components.

Yuantai Crane supports these projects through:

FEM / ISO Standards Compliance

European design principles focused on compact structure, efficient component configuration and suitable working performance.

Flexible SKD & CKD Delivery

Crane components can be packaged according to standard 20ft and 40ft container shipping requirements, with the main girder fabricated locally when appropriate.

Comprehensive Engineering Support

Structural design support, CAD drawings and bilingual documentation help customers complete local fabrication and assembly.

Global Component Compatibility

Electrical components can be selected according to the customer's project requirements, with integration options for commonly used brands such as Schneider Electric and Siemens.

Build Your Next Crane System with Yuantai

Whether you are an end-user looking to reduce crane installation and transportation costs or a regional crane builder looking for a crane kit supplier, Yuantai Crane can support the project from initial sizing and component selection to fabrication drawings, factory testing and commissioning guidance.

If you are considering local main girder fabrication in Chile or another Latin American market, send us your lifting capacity, span, lifting height, power supply and application details. Our engineering team can review your requirements and prepare a suitable crane kit configuration, technical documents and quotation.