Travelling Mechanism
Shanghai Special Metal Co., Ltd supplies crane travelling mechanism, hoisting mechanism, jib lubbing mechanism. In the field, we could supply services as welding, machining and fabrication.
Travelling Mechanism is made from carbon steel and alloy steel through the wooden pattern and Resin/water glass/sodium silicate sand. The common weight of our steel castings are from 0.5 to 200tons. The travelling mechanism transported in parts and assemble on site
Production Process
1. Wooden pattern Production
2. Molding
3. Pouring
4. First cleaning
5. Heat treatment – grinding (inspection)
6. Rough machining (inspection)-finishing machining (inspection)
7. Packing-delivering
Quality assurance
The fabrication route is governed by the provisions of the implemented Quality System ISO 9001: 2000. The standard documentation ensures the full traceability of every process step:
• Manufacturer test certificates according to DIN EN 10.204 § 3.1 including chemical composition, mechanical properties and non-destructive examination;
• Dimensional check supported with a “as-built“ sketch;
• Record of the heat treatment chart
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