Double Heads Hydraulic square and Rectangle Tube Punching Hole and Cutting Machine 20B

1 feed pipe by manual,there is scaleplate to help Make sure the hole distance is the same
2 fit to carbon steel, stainless steel , copper, aluminum,glass fiber steel and so on 
3 hole shape: round, square, rectangle, ellipse, and notch
4 punching type. half(one wall/side), through(two side/wall)
5 max processing capacity: thickness 5mm
6 semi auto model, press control panel choose different functions and step foot switch run machine
 
there are many different types, which install one or more moulds,each punching station can work independentlyMachine Technical parameter

Model	H3A	5A	8A	15A	20A	25A
Motor power(kw)	1.5	3.0	4.0	4/5.5	5.5/7.5	7.5
Nominal pressure(KN)	30	50	80	150	200	250
Stroke(mm)	701	70	100	120	150	150
Punching hole diameter(mm)	30	50	50	50	50	50
Punching thickness(mm)	0.8	1.2	2.0	3.0	4.0	5.0

 A= single punchin stations, B= double punching stations, C,DE... and so on 
3 mean 3 ton, 5 mean 5ton, ........
for example. if you need two different moulds, change one single head machine with tow mould, change them when do different job
the second option  is  one double heads machine install tow moulds, no need change and install moulds again
20B Double Heads Hydraulic Square and Rectangle Tube Punching and Cutting Machine

The 20B Double Heads Hydraulic Square and Rectangle Tube Punching and Cutting Machine is a specialized metal fabrication machine designed for efficient punching, hole making, and cutting of square and rectangular tubes. With a double-head hydraulic configuration, the machine is suitable for manufacturers that need repeatable tube processing for structural components, frames, furniture, construction products, agricultural equipment, and general metal fabrication.

Combining tube punching and cutting operations in one production system can help simplify material handling and improve workshop efficiency. Instead of using separate machines for every processing stage, suitable workpieces can be positioned and processed through an integrated workflow.

The 20B configuration is designed for industrial tube processing applications. Actual punching capacity, cutting capability, tube dimensions, hole size, production speed, and hydraulic specifications depend on the specific machine configuration, tooling, and material.

Double Heads Hydraulic Tube Processing

The double-head design is one of the important features of this machine. Two hydraulic processing heads can be configured to perform corresponding operations on the workpiece according to the machine design and production requirements.

Hydraulic power provides strong and controlled force for suitable punching applications. Compared with manually operated punching methods, hydraulic processing can provide more consistent force and improve production efficiency for repetitive operations.

The exact functions of the two heads should be confirmed according to the machine configuration. Depending on tooling and setup, the system can be used for punching, hole processing, cutting, or other compatible tube fabrication operations.

Square and Rectangle Tube Punching

Square and rectangular steel tubes are widely used in frames, structures, machinery, furniture, gates, railings, agricultural equipment, and construction components.

The 20B machine is designed specifically around this type of tube processing. Suitable tooling can create holes or openings at predetermined positions according to production drawings.

Accurate tube positioning is important for maintaining consistent hole location. Workpiece dimensions, wall thickness, material strength, hole diameter, tooling design, and hydraulic force all influence punching performance.

For high-volume production, dedicated fixtures can help maintain repeatable tube positioning and reduce setup time.

Hydraulic Punching System

The hydraulic system supplies the force required for suitable punching operations. Hydraulic punching is widely used in metal fabrication because it can generate substantial forming force in a relatively compact machine.

The actual punching capacity depends on hydraulic pressure, cylinder specifications, punch and die design, material strength, wall thickness, and hole diameter.

Carbon steel and mild steel tubes are common applications, while stainless steel and other higher-strength materials may require different tooling and machine configurations.

Before purchasing, buyers should provide tube dimensions, wall thickness, material grade, required hole diameter, and expected production volume so the machine can be matched to the application.

Tube Hole Punching Applications

The machine can be used to create holes for:

Bolted Connections

Assembly Points

Mounting Brackets

Fasteners

Structural Connections

Furniture Components

Machinery Frames

Agricultural Equipment

Construction Components

Guardrails And Railings

Hole geometry and positioning depend on the selected punch and die tooling and the workpiece setup.

For applications requiring multiple holes along a tube, a suitable positioning or indexing method can help improve consistency between workpieces.

Square Tube and Rectangular Tube Cutting

In addition to punching, the machine can support suitable tube cutting applications according to its configuration.

Cutting square and rectangular tubes is common in the fabrication of frames, supports, brackets, furniture, equipment structures, and construction components.

The cutting method, blade or tooling system, cutting capacity, and maximum tube dimensions should be confirmed according to the actual 20B machine configuration.

Cutting performance depends on material grade, tube dimensions, wall thickness, tooling condition, and machine settings.

Efficient Production Workflow

A combined punching and cutting machine can help reduce repeated material handling between separate processing stations.

A typical workflow may include:

Tube Measuring And Preparation

Workpiece Positioning

Hydraulic Clamping

Hole Punching

Tube Cutting

Dimensional Inspection

Deburring

Final Assembly Or Welding

The exact sequence depends on the machine design and customer's production process.

For high-volume manufacturing, standardized workholding and tooling can further improve repeatability.

Materials and Tube Types

The machine can be configured for suitable metal tubes, including:

Mild Steel Tubes

Carbon Steel Tubes

Stainless Steel Tubes

Galvanized Steel Tubes

Structural Steel Tubes

Other Compatible Metal Profiles

Material strength directly affects punching force requirements. Stainless steel, high-strength steel, and other harder materials may require specialized punches, dies, and hydraulic capacity.

Buyers should provide actual material specifications when requesting a machine configuration.

Applications Across Multiple Industries

The 20B double-head hydraulic tube machine can be used in many industries, including:

Steel Structure Manufacturing

Metal Furniture

Construction Equipment

Agricultural Machinery

Automotive Components

Machinery Frames

Racking Systems

Guardrails

Fencing Systems

Metal Doors And Windows

Bicycle And Fitness Equipment

General Metal Fabrication

Its ability to process square and rectangular tubes makes it suitable for businesses producing repeatable tubular components.

Tooling and Workholding

Proper tooling is essential for efficient tube punching. Punches and dies should be selected according to tube dimensions, material, wall thickness, and required hole geometry.

Workholding is equally important. A stable fixture helps prevent tube movement during hydraulic punching and cutting.

For custom applications, tooling can potentially be developed around specific tube sizes and hole requirements. Buyers should provide drawings or sample workpieces when specialized tooling is required.

Production Accuracy and Quality

Consistent results depend on several factors, including machine rigidity, hydraulic stability, tooling quality, workpiece positioning, tube straightness, material properties, and operator setup.

For production applications, periodic inspection of hole diameter, hole position, cut length, and tube squareness can help maintain quality.

Deburring may be required after punching or cutting depending on the material, tooling, and final product requirements.

Maintenance and Operation

Regular maintenance helps keep hydraulic tube-processing equipment operating reliably.

Recommended maintenance may include checking hydraulic oil, inspecting hoses and fittings, lubricating moving components, checking punches and dies for wear, cleaning work areas, and inspecting electrical components according to the manufacturer's maintenance schedule.

Tooling should be replaced or serviced when wear begins to affect hole quality or dimensional consistency.

Operators should also follow proper setup procedures and avoid exceeding the machine's rated capacity.

Safety Considerations

Hydraulic punching and cutting machines contain powerful moving components and require proper operator training.

Depending on the machine configuration, safety-oriented features may include emergency stops, guards, hydraulic protection, electrical protection, two-hand controls, limit switches, and other safeguards.

Operators should keep hands away from the punching and cutting area, use appropriate personal protective equipment, and follow the manufacturer's operating instructions and applicable workplace safety requirements.

Custom & OEM Tube Processing Solutions

We support Custom & OEM requirements for manufacturers with specialized tube-processing needs.

Possible options can include hydraulic capacity, tooling sets, punch and die dimensions, workholding fixtures, tube positioning systems, cutting tooling, control systems, and other auxiliary equipment.

Customers can provide square or rectangular tube dimensions, wall thickness, material grade, hole diameter, hole spacing, cutting length, production volume, and drawings.

These details allow the machine configuration and tooling to be matched more accurately to the intended application.

Why Choose Us

Double Heads Hydraulic Design – Provides a powerful configuration for efficient and repeatable tube processing.

Square & Rectangle Tube Applications – Specifically designed for common square and rectangular metal tube fabrication requirements.

Punching And Cutting Functions – Combines key tube-processing operations into an integrated production solution.

Hydraulic Processing Power – Provides controlled force for suitable metal tube punching applications.

Wide Material Compatibility – Suitable configurations can process mild steel, carbon steel, stainless steel, galvanized steel, and other compatible tubes.

Multiple Industrial Applications – Suitable for construction, furniture, machinery, agricultural equipment, automotive components, and steel structures.

Custom & OEM Tooling – Punches, dies, fixtures, and other processing components can be matched to customer requirements.

B2B Export Service – We provide application consultation, machine configuration support, tooling communication, and customized metal fabrication solutions.

FAQs

1. What is a 20B tube punching machine?

The 20B is a model designation for a hydraulic tube-processing machine designed for suitable punching and cutting applications on square and rectangular metal tubes.

2. What tubes can the machine process?

It can be configured for suitable square and rectangular tubes made from mild steel, carbon steel, stainless steel, galvanized steel, and other compatible materials.

3. What is the advantage of double heads?

The double-head configuration can support multiple processing operations or positions according to the specific machine design, helping improve production efficiency for repetitive work.

4. Can it punch square steel tubes?

Yes. The machine is designed for suitable square tube punching applications with properly matched punches, dies, fixtures, and hydraulic capacity.

5. Can it process rectangular tubes?

Yes. Suitable rectangular metal tubes can be processed when their dimensions and wall thickness are within the machine's working range.

6. Can it punch stainless steel tubes?

It may be suitable for stainless steel tube punching when the hydraulic capacity and tooling are correctly matched to the material and wall thickness.

7. Can the machine cut tubes?

Yes, the machine can support suitable tube cutting functions according to the selected configuration and tooling system.

8. How large a hole can it punch?

The maximum hole diameter depends on hydraulic force, material strength, tube wall thickness, and punch and die configuration. The actual capacity should be confirmed for the specific application.

9. Can custom punches and dies be supplied?

Yes. Custom tooling can be discussed according to tube dimensions, hole shape, hole diameter, and production requirements.

10. Is the machine fully automatic?

Automation level depends on the specific machine configuration. Hydraulic operation does not necessarily mean completely unmanned automatic production.

11. What information is needed for machine selection?

Provide tube shape, outside dimensions, wall thickness, material grade, hole diameter, hole position, cutting requirements, and expected production volume.

12. Can the 20B machine be customized?

Yes. Hydraulic capacity, tooling, fixtures, positioning systems, cutting components, and other machine features can be customized according to production requirements.

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