01
Sand Preparation
Prepare and deliver green sand to the molding section.
Static Pressure Molding Technology
Automatic Static Pressure Molding Line
Production Sequence
The fully automatic static pressure molding line is primarily used for automated clay-sand mold casting. Static pressure molding integrates mold production, conveying, pouring, cooling and shakeout into a continuous, automated casting process that improves production efficiency and casting quality.
02
Static Pressure Molding
Fill and compact the flask using the selected molding process.
03
Core Setting
Place required cores according to the casting process.
04
Mold Closing
Align and close the cope and drag before pouring.
05
Pouring
Transfer and pour molten metal according to the project configuration.
06
Cooling
Move the poured molds through the planned cooling route.
07
Shakeout
Separate castings and sand after the specified cooling period.
08
Cleaning
Route castings to the selected downstream cleaning process.
Molding equipment is the core of the project. Sand preparation, core making, pouring, cooling, shakeout, cleaning and dust collection are configured only when included in the agreed line scope.
Main Features
Five Core Advantages of the Static Pressure Molding Line
Save Labor
A high level of automation means the complete line requires no more than 3–4 operators.
Increase Output
The automated control system reduces manual operations and improves production efficiency.
Lower Costs
Reduces the scrap rate and machining allowance while lowering molten iron costs by approximately 2%.
Low Mold Mismatch Rate
A high-precision rigid positioning system and automatic mold-closing manipulator achieve mold-closing positioning accuracy of less than 0.2 mm.
Low Mold Expansion Rate
Multi-head double-sided compaction produces hard, uniformly compacted molds that resist molten-metal expansion; compared with conventional mechanical molding, it directly reduces casting weight by 5%–10%.
Compaction Technology
Two Process Routes for Different Casting Requirements
Process selection depends on flask geometry, pattern complexity, sand conditions and the required mold characteristics. Huaxin confirms the final route during project engineering.
01
Airflow Pre-compaction + Positive Squeeze
Airflow first moves sand toward the pattern area, followed by controlled squeezing to complete compaction.
- Supports filling around deeper or more complex pattern features.
- Helps prepare a more consistent mold before final squeezing.
- Requires project-specific evaluation of the pattern, flask and sand system.
02
Positive Squeeze and Counter-Squeeze Molding
The mold is compacted through coordinated pressure from the pattern side and the multi-head squeezing system.
- Designed to control compaction across the mold section.
- Can support patterns with demanding geometry near the flask boundary.
- The applicable configuration is confirmed after reviewing the casting and production plan.
Project Gallery
From Line Layout to Production Results
Four views present the complete line configuration, customer installation, sand-mold details and representative castings.
Complete Line Layout
The overall configuration of the molding machine, flask conveying and cooling areas.
Customer Installation
The equipment installation and supporting systems inside an operating foundry workshop.
Sand Mold Detail
The mold surface, cavity geometry and core-setting condition.
Representative Castings
Casting geometry, surface condition and batch production at the customer site.
Featured Projects
Verified Project Case Studies
Explore one verified automotive-parts molding-line project.
Selected Static Pressure Molding Line Installations
Huaxin static pressure molding lines serve a wide range of casting applications, from automotive components and motor housings to valves, pipe fittings and machinery parts. The selected installations below illustrate representative flask sizes and compaction technologies from our project experience.
CustomerApplicationFlask Internal SizeCompaction Technology
Yangzhou Jinyangguang Foundry Co., Ltd.Automotive Parts / Power Tool Components1200 × 1000 × 280/250 mmAirflow Pre-compaction and Squeeze Molding
Liaoning Huayue Precision Industry Co., Ltd.Automotive Parts1300 × 900 × 350/350 mmAirflow Pre-compaction and Squeeze Molding
Hubei Yuancheng Auto Parts Co., Ltd.Brake Drum / Wheel Hub870 × 650 × 350/200 mmSqueeze and Counter-Squeeze Molding
Shanxi Jinwang Pump Industry Co., Ltd.Textile Machinery Parts2100 × 1300 × 280/250 mmAirflow Pre-compaction and Squeeze Molding
Yingkou Xinyuan Pipe Fittings Co., Ltd.Pipe Fittings1050 × 1050 × 390/320 mmAirflow Pre-compaction and Squeeze Molding
Anhui Zhongxing Fluid Equipment Co., Ltd.Valves / Pipe Fittings1300 × 1100 × 420/360 mmSqueeze and Counter-Squeeze Molding
Dalian Shengtong Valve Manufacturing Co., Ltd.Valves1300 × 1100 × 350/300 mmAirflow Pre-compaction and Squeeze Molding
Shandong Mengyang Machinery Co., Ltd.Construction Machinery / Agricultural Machinery850 × 850 × 250/250 mmSqueeze and Counter-Squeeze Molding
Wulian Yuxing Machinery Manufacturing Co., Ltd.Agricultural Machinery Spare Parts1200 × 1000 × 300/300 mmAirflow Pre-compaction and Squeeze Molding
Guangdong Deguang Intelligent Equipment Co., Ltd.Machine Tool Parts1200 × 1000 × 320/280 mmSqueeze and Counter-Squeeze Molding
Shandong Yuantong Machinery Co., Ltd.Automotive Components1500 × 1200 × 200/200 mmAirflow Pre-compaction and Squeeze Molding
Changzhou Zhuding Machinery Co., Ltd.Flywheel Housing920 × 700 × 250/250 mmAirflow Pre-compaction and Squeeze Molding
† Values marked for confirmation are reproduced from the original project record and have not been altered.
Buyer Questions
Frequently Asked Questions
These answers explain the selection process without assuming a fixed specification for every foundry.
What castings is a static pressure molding line suitable for?
It is commonly evaluated for repeat production of green-sand castings in automotive, machinery, pump, valve, pipe fitting and related applications. Suitability is confirmed from the material, geometry, weight and quality requirements of the casting.
What molding sand does the line use?
The line is designed around a green-sand molding process. Sand preparation capacity, properties and control requirements must be reviewed together with the molding equipment.
How do I choose the compaction process?
Huaxin reviews the pattern, flask, sand condition and target mold characteristics before recommending airflow pre-compaction with squeezing or squeeze and counter-squeeze molding.
How is line capacity determined?
Capacity depends on flask size, casting process, core-setting requirements, pouring and cooling time, downstream handling and the operating plan. It is calculated during project engineering.
Can sand preparation, pouring and cleaning equipment be included?
Yes, supporting systems can be engineered as part of the agreed project scope. The quotation should identify the boundary between core molding equipment, optional systems and customer-provided equipment.
What information is required before a proposal is prepared?
Please provide casting drawings or samples, material, maximum dimensions and weight, output target, current process, workshop layout and available supporting systems. Installation, commissioning and training scope can then be defined in the proposal.