Pipe Shrinking Overview
Advantages and Characteristics
1. This equipment is used to process metal tubes for conical tubes;
2. Manual and automatic options are available, and the use of manual feeding tube has the characteristics of low noise, easy operation, high output and stable performance;
3. The workpiece forming time is short, the efficiency is high, the processing surface is smooth, and the workpiece has no scars;
4. The machine mold is simple to replace, and different shapes of metal pipes can be processed with the corresponding mold to meet different needs;
5. Suitable for automobile, furniture, lighting, bicycle, casting small pipe taper molding processing.
Rotary Swaging Metal Shell Machine
Technical Specifications
Manual Pipe Shrinking Machine
Key Advantages
- Simple and reliable structure
- Low investment cost
- Easy operation & maintenance
- Flexible for small-batch production
High-strength metal shell
High-strength steel shell
High-strength metal casing
Maximum Tube Shrinking Capacity | Outer diameter Φ50 mm |
Maximum Machined Tube Thickness | 0.7 – 2.0 mm |
Die Length | Customizable |
Spindle Motor Power | 3 kW |
Spindle Speed | 248 rpm |
Voltage | 415V / 60Hz |
Forming Time | 7 – 30 s |
Weight | 1.0 T |
Maximum Hopper Discharge Length | — |
Minimum Hopper Discharge Length | — |
Feeding Mode | Manual feeding |
Feeding Accuracy | — |
Overall Dimensions (L×W×H) | 900 × 1000 × 1400 mm |
Product Yield | — |
Maximum Taper Length | Customizable with machine |
Minimum Clamping Length | — |
Semi-Automatic Pipe Shrinking Machine
Key Advantages
- Higher forming capacity and stability
- Improved efficiency over manual operation
- Suitable for medium-volume production
- Cost-effective upgrade solution
Automotive shock absorber outer shells
Suspension component tubes
Exhaust system metal casings
Maximum Tube Shrinking Capacity | Outer diameter Φ76 mm |
Maximum Machined Tube Thickness | 0.7 – 3.0 mm |
Die Length | Customizable |
Spindle Motor Power | 7.5 kW |
Spindle Speed | 248 rpm |
Voltage | 380V / 50Hz |
Forming Time | 7 – 30 s |
Weight | 2.5 T |
Maximum Hopper Discharge Length | — |
Minimum Hopper Discharge Length | — |
Feeding Mode | No continuous feeding |
Feeding Accuracy | ±0.5 mm |
Overall Dimensions (L×W×H) | 2200 × 900 × 1600 mm |
Product Yield | — |
Maximum Taper Length | Customizable with machine |
Minimum Clamping Length | — |
Automatic Pipe Shrinking Machine
Key Advantages
- High precision and repeatability
- Labor-saving and productivity-oriented
- Stable performance for mass production
- Designed for continuous industrial operation
Industrial roller shells
Construction machinery cylinder sleeves
Fire extinguisher metal cylinders
Maximum Tube Shrinking Capacity | Outer diameter Φ50 mm |
Maximum Machined Tube Thickness | 0.7 – 2.0 mm |
Die Length | Customizable |
Spindle Motor Power | 4.0 kW |
Spindle Speed | 248 rpm |
Voltage | 380V / 50Hz |
Forming Time | 7 – 30 s |
Weight | 1.6 T |
Maximum Hopper Discharge Length | ≤ 850 mm |
Minimum Hopper Discharge Length | 200 mm |
Feeding Mode | Automatic loading & unloading |
Feeding Accuracy | ±0.5 mm |
Overall Dimensions (L×W×H) | Machine: 2100 × 900 × 1500 mmFeeder: 1550 × 1250 × 1200 mm |
Product Yield | — |
Maximum Taper Length | Customizable with machine |
Minimum Clamping Length | — |
Key Features & Technical Specifications
High-Precision Rotary Swaging Technology
This Rotary Swaging Metal Shell Machine is built on a mature radial forming principle, allowing metal shells and tubes to be uniformly reduced and shaped through multi-die hammering motion. Compared with traditional pressing or rolling methods, rotary swaging ensures excellent concentricity, consistent wall thickness, and smooth surface finish during the forming process. The machine applies evenly distributed radial force, significantly reducing internal stress and material deformation defects. This makes it especially suitable for applications requiring high dimensional accuracy and structural integrity, such as metal shells, sleeves, and cylindrical components. The stable swaging action also minimizes material waste and post-processing requirements, helping manufacturers achieve higher yield rates and better overall product quality.
Wide Material and Size Adaptability
Designed for versatility, this machine can process a wide range of metallic materials including carbon steel, alloy steel, stainless steel, aluminum, and copper-based alloys. It supports various tube diameters and wall thicknesses, with customizable die lengths and tooling configurations to meet specific production needs. Whether for small-diameter precision components or larger industrial shells, the machine can be tailored accordingly. This flexibility allows manufacturers to respond quickly to changing product specifications without replacing the entire system, making it an ideal solution for diversified production lines and export-oriented manufacturing environments.
Stable Operation and Long Service Life
The machine adopts a heavy-duty mechanical structure combined with reliable spindle and drive systems to ensure long-term stable operation under continuous load. Key components are manufactured with high-strength materials and precision machining processes, significantly reducing vibration and mechanical wear. A well-designed lubrication and cooling system further extends service life and minimizes downtime. For customers, this means predictable performance, lower maintenance costs, and reliable output over many years of operation, even in demanding industrial environments.
Applications & Industries
High-Strength Industrial Components
In the manufacturing of high-strength industrial components, rotary forging is particularly suitable for the precision forming of hollow, thick-walled, axisymmetric metal parts.
Through multi-pass incremental plastic deformation, the process significantly improves material density, axial strength, and overall structural consistency, while minimizing material waste.
This technology is widely applied in the production of metal shell-type components designed to withstand high internal pressure, strong impact loads, and extreme operating conditions.
Such applications demand exceptional forming accuracy, uniform wall thickness, and structural integrity—requirements that conventional manufacturing methods often struggle to achieve efficiently.
Construction & Ground Anchoring
In construction and ground anchoring applications, rotary forging enables the efficient production of robust anchoring and structural connection components.
These parts require high load-bearing capacity, fatigue resistance, and consistent quality to ensure safety and stability in civil engineering and foundation systems.
Furniture & Structural Components
For furniture and general structural components, rotary forging provides a cost-effective solution for shaping metal elements with enhanced strength and clean surface quality.
The process supports both functional performance and aesthetic requirements, making it suitable for modern industrial and architectural furniture designs.
Automotive & Heavy Industry
In automotive and heavy industry applications, rotary forging is used to manufacture high-performance metal parts that demand strength, durability, and dimensional accuracy.
Typical applications include structural components and load-bearing parts where material integrity and production consistency are critical.
Energy & Infrastructure
Rotary forging machines are extensively used in the energy and infrastructure sectors for forming high-strength metal components required in power transmission, energy equipment, and large-scale infrastructure systems.
The process ensures excellent mechanical performance and long-term reliability for components operating under continuous load and harsh environments.
Why EAS Machinery ？
Engineering-Driven Design
Machines designed from real forming processes, not generic templates.
Heavy-Duty Manufacturing Standard
Rigid frames, high-load spindles, and industrial-grade components.
Flexible Customization Capability
From standalone machines to integrated forming lines.
Export Experience & Compliance Awareness
Designed for international markets and long-term operation.
Service
Requirement Analysis
Technical Proposal & Configuration
Manufacturing & Testing
Delivery & After-Sales Support
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