China Large Weight Sand Casting up to 1000kg Manufacturer, Supplier, Factory

Large Casting Capability

Large casting production requires suitable molding methods, material control, and inspection procedures to maintain consistency throughout manufacturing. The sand casting process used by Ningbo United Machine Co., Ltd. is suitable for single-piece production, small batches, and larger production requirements.

The casting weight range can reach from 1kg to 1000kg or larger, making it suitable for components with complex structures, large dimensions, and different design requirements.

Main characteristics include:

1. Wide size range: Suitable for small and large industrial castings with different geometries.

2. Flexible production: Applicable for single-piece, small-batch, and mass production requirements.

3. Material adaptability: Supports various ferrous and non-ferrous metals according to mechanical requirements.

4. Complex shape capability: Sand molds can be adapted to different casting structures and designs.

Production Process

The sand casting process mainly uses molding sand to create casting molds. Common mold options include wood molds and metal molds, while molding sand such as silica sand is compacted to form the required mold cavity.

For Large Weight Sand Casting up to 1000kg, process control covers mold preparation, melting, pouring, cooling, cleaning, machining, and inspection stages. Each production step requires appropriate control to maintain casting quality and dimensional accuracy.

The general production flow includes:

1. Mold preparation: Manufacturing suitable patterns and preparing compacted sand molds.

2. Metal preparation: Selecting and melting casting materials according to product requirements.

3. Casting forming: Pouring molten metal into the prepared mold cavity.

4. Post-processing: Removing excess material and completing required finishing operations.

5. Inspection: Performing dimensional, material, mechanical, and non-destructive testing.

Material Options

Different industrial applications require different material properties. Ningbo United Machine Co., Ltd. supports multiple casting materials to meet various mechanical and environmental requirements.

Technical Specifications

The sand casting process supports different casting requirements through flexible mold selection and process adjustment. The main specifications include:

Quality Inspection

Ningbo United Machine Co., Ltd. integrates quality control into different stages of the casting process, from raw material preparation to finished product inspection. The inspection system covers dimensional measurement, material analysis, mechanical testing, and non-destructive testing to verify product requirements.

For Large Weight Sand Casting up to 1000kg, inspection methods are selected according to product specifications and application requirements.

The available inspection equipment includes:

1. Dimensional Measurement: CMM, Articulated Arm CMM, Projector, Image Detection System, Pneumatic Micrometer, Gear Test equipment, and high-precision measuring instruments for size and shape verification.

2. Material Analysis: Spectrum equipment for chemical composition analysis and Metallographic Analyzer for microstructure examination.

3. Mechanical Testing: Universal Strength Tester and HRC, HB, HV hardness testing systems for evaluating mechanical properties.

4. Non-Destructive Testing: X-Ray, MPI, and Ultrasonic Test equipment for internal and surface defect inspection.

5. Reliability Testing: Salt Spray Test, Hydraulic Test, and Air-leakage Test according to product requirements.

Application Fields

Sand casting is widely used in industrial equipment and mechanical components where different shapes, materials, and sizes are required. Large Weight Sand Casting up to 1000kg can be applied to various industries that need large structural castings and customized components.

Typical application areas include:

1. Automotive Industry: Used for mechanical parts and structural components requiring stable casting performance.

2. Construction Machinery: Suitable for large machine components with complex structures.

3. Railway Equipment: Applied to industrial parts requiring strength and durability.

4. Marine Equipment: Suitable for casting components used in marine-related machinery.

5. Agricultural Machinery: Used for mechanical components requiring customized shapes.

6. Mining and General Machinery: Suitable for heavy industrial components and equipment parts.

Company Capability

Ningbo United Machine Co., Ltd. focuses on providing casting solutions with attention to production processes, material selection, and quality inspection. The company supports customers with different casting requirements through engineering communication, manufacturing experience, and inspection capabilities.

The combination of flexible sand casting technology and inspection equipment allows the company to handle different product structures while maintaining consistent manufacturing control.

Service Process

The service process follows a structured approach to support product development and manufacturing requirements.

1. Requirement Communication: Confirm product drawings, material requirements, dimensions, and application conditions.

2. Process Evaluation: Select suitable casting methods and mold solutions according to product characteristics.

3. Production Arrangement: Complete casting production based on confirmed technical requirements.

4. Quality Inspection: Perform required testing procedures before delivery.

5. Product Delivery: Provide finished casting components according to agreed requirements.

FAQ

Q: What is the maximum weight capability of this casting process?

A: The sand casting process supports casting weights from 1kg to 1000kg or larger. The suitable weight range depends on product structure, material selection, and manufacturing requirements.

Q: Which materials can be used for large sand casting components?

A: Available materials include carbon steel, alloy steel, gray iron, ductile iron, aluminum alloy, and copper alloy. Material selection depends on required mechanical properties and application conditions.

Q: What tolerance can be achieved during the casting process?

A: The sand casting process supports a tolerance range of CT10 to CT13. Actual dimensional requirements should be confirmed according to product drawings and casting structure.

Q: How do you inspect casting quality?

A: Quality inspection can include dimensional measurement, chemical composition analysis, mechanical testing, hardness testing, and non-destructive testing methods such as X-Ray, MPI, and Ultrasonic Test.

Q: What industries use large sand casting components?

A: Large sand casting components are commonly used in automotive, construction machinery, railway, marine, agricultural machinery, mining, hardware parts, and general mechanical industries.

Q: Can different casting shapes be produced?

A: Yes. Sand casting is suitable for various shapes and sizes of castings. The mold structure can be adjusted according to different product designs and manufacturing requirements.

Conclusion

Ningbo United Machine Co., Ltd. provides Large Weight Sand Casting up to 1000kg solutions based on flexible production methods, multiple material options, and comprehensive inspection capabilities. With support for different casting structures, dimensional requirements, and industrial applications, the process is suitable for customers requiring reliable large-scale casting components.