Pneumatic forging hammers for open die forging and hot metal forming

Pneumatic Forging Hammer / Power Hammer

Pneumatic forging hammers for controlled hot metal forming, open die forging and workshop production, with model selection support from Wiz Machinery.

Pneumatic Forging Hammer for Open Die Forging

A pneumatic forging hammer is a self-contained power hammer designed for shaping heated metal through controlled repeated impact. It is widely used for open die forging, blacksmith forging, tool making, repair work and industrial hot metal forming.

Unlike manual hammering, a pneumatic power hammer allows the operator to form hot metal faster, more consistently and with less physical effort. The machine can be used for both heavier forging work and lighter finishing operations, making it a practical choice for workshops and factories that need flexible forging capacity.

Wiz Machinery supplies pneumatic forging hammer machines in different capacity ranges to suit small workshops, blacksmith production, repair facilities and industrial forging applications. Our team can help you choose the right hammer according to your material, billet size, forging process, factory power supply and production target.

What Is a Pneumatic Forging Hammer?

A pneumatic forging hammer is a powered forging machine that uses a motor-driven pneumatic system to move the hammer ram up and down. The heated workpiece is placed on the lower die or anvil, and the hammer delivers repeated blows to shape the metal.

This type of machine is also known as an air forging hammer, pneumatic power hammer, power forging hammer or forging hammer machine. It is commonly used in free forging and open die forging, where metal is shaped between flat or simple dies.

The machine is suitable for many hot forging operations, including drawing-out, upsetting, bending, punching, twisting, chiselling, forge welding, flattening and hot cutting.

Features

Heavy-Duty Cast Frame

The machine body is designed to withstand repeated forging impact. A strong frame structure helps improve stability, reduce deformation and support long-term operation.

Integrated Pneumatic Working System

The hammer uses an internal pneumatic system to move the ram, reducing the need for additional external air supply equipment in many workshop setups.

External Belt Drive

The belt drive is positioned for practical adjustment and maintenance. This helps make routine inspection and servicing easier.

Controlled Hammer Operation

The operator can control the hammer action according to the forging requirement, from lighter strikes to stronger continuous blows.

Automatic Lubrication Support

The lubrication system supports smooth machine operation and helps protect key moving parts during daily forging work.

Durable Ram and Anvil Area

The ram, die area and anvil block are designed for repeated hot forging impact. Different dies can be selected according to the workpiece and process.

Suitable Forging Processes

Forging Process	Description	Typical Use
Drawing-out	Reduces the cross-section of heated metal and increases its length.	Bars, shafts, tools and elongated forged parts
Upsetting	Compresses the heated workpiece to increase its cross-section or form a thicker section.	Tool ends, bolt-style heads, short thick sections and local forming
Punching	Creates holes or openings in heated metal using suitable punching tools.	Tool eyes, brackets, links, rings and hardware parts
Chiselling	Cuts, separates or marks heated metal using chisel-type tooling.	Hot cutting, splitting, shaping and preparation work
Forge Welding	Joins heated metal surfaces together using pressure and repeated hammer impact.	Tool making, repair work, blacksmith forging and joined components
Bending	Forms heated metal into angles, curves or required profiles.	Hooks, brackets, handles, rings and shaped components
Twisting	Twists heated bars or sections to create functional or decorative forms.	Decorative ironwork, handles, tools and custom forged parts
Open Die Forging	Shapes heated metal between flat or simple dies without fully enclosing the workpiece.	Free forging, repair work, shafts, bars and small-batch forged parts
Flattening	Creates flatter surfaces or prepares the workpiece for further forming.	Plates, blades, tools, brackets and general shaping
Hot Cutting	Cuts heated bars, billets or forged sections using cutting dies or hot cutting tools.	Billet preparation, trimming and separating forged parts
Tool Forging	Forms heated metal into working tools or tool blanks through repeated impact.	Chisels, punches, knives, hand tools and agricultural tools
Note	Core processes include drawing-out, upsetting, punching, chiselling, forge welding, bending and twisting. Other applications depend on hammer capacity, die design, workpiece size, forging temperature, material and operator requirements.

Common Applications

Blacksmith Forging

Suitable for blacksmith workshops, tool making, blade forging, decorative metalwork, craft forging and repair work.

Open Die Forging

Used for general open die forging where heated metal is shaped between flat dies or simple tooling.

Tool and Hardware Manufacturing

Suitable for forging chisels, punches, knives, agricultural tools, hand tools, brackets, small shafts, hooks and other hardware components.

Repair and Maintenance Workshops

Useful for reshaping parts, repairing metal components and producing small batches of forged items in engineering workshops.

Industrial Hot Metal Forming

Larger hammer capacities can be used for industrial forging work, including bars, shafts, rings and medium-sized forged parts.

Pneumatic Forging Hammer Working Principle

The pneumatic power hammer uses a motor-driven flywheel and crank mechanism to operate the internal pneumatic system. As the machine runs, compressed air is directed to move the hammer ram up and down.

The operator controls the forging hammer through the machine control system, usually using a hand lever or foot pedal. This allows the hammer to perform idle running, top positioning, pressing, single blows, light blows and continuous forging blows.

The forging force is created by a combination of ram weight, air pressure and ram speed. This gives the machine strong impact performance while still allowing the operator to control the hammer action during different forging stages.

Key Benefits of a Pneumatic Power Hammer

Self-Contained Hammer Design

The pneumatic forging hammer uses an integrated pneumatic working system. In many applications, this means there is no need for a separate external air compressor or high-pressure air hoses, helping simplify installation and workshop layout.

Strong Forging Force

The hammer delivers repeated impact force for shaping hot metal efficiently. It is suitable for reducing, drawing, upsetting, bending and forming a wide range of forgeable materials.

Flexible Hammer Control

Operators can control the hammer action for different forging stages. The machine can support light blows, stronger blows, single strikes and continuous forging, depending on the workpiece and process.

Suitable for Heavy and Light Work

A power hammer can be used for heavier stock removal and shaping, then switched to lighter forging or finishing work with good operator control.

Compact Workshop Footprint

Compared with larger forging systems, a pneumatic power hammer offers strong forming capability in a relatively compact machine footprint. This makes it suitable for workshops with limited floor space.

Durable Industrial Structure

The hammer body is built for repeated impact loads. A strong frame, robust ram system and stable anvil area help support long-term forging performance.

Machine Structure

A pneumatic forging hammer machine is made up of several key parts that work together to deliver controlled impact force.

Main Component	Function	Importance
Machine Frame	Supports the hammer structure and absorbs forging impact during operation.	Provides stability, strength and long-term machine durability.
Motor	Provides power to drive the hammer mechanism.	Ensures consistent power output for repeated forging work.
Flywheel and Belt Drive	Transfers motor power to the crank system.	Helps maintain smooth running and stable hammer movement.
Crankshaft and Connecting Rod	Converts rotary movement into reciprocating movement.	Creates the up-and-down motion needed for hammer operation.
Compression Cylinder	Helps generate the pneumatic movement required for hammer operation.	Supports the internal air system that drives the hammer action.
Working Cylinder	Controls the ram movement during forging.	Helps deliver controlled impact force onto the workpiece.
Ram / Hammer Head	Delivers impact force onto the heated workpiece.	Performs the main forging action for shaping hot metal.
Upper and Lower Dies	Contact and shape the heated metal during forging.	Determine the contact surface, forming effect and forging process.
Anvil Block	Provides a stable base for forging impact.	Absorbs impact force and supports stable forging performance.
Lubrication System	Supports smooth operation and helps protect moving parts.	Reduces wear and supports longer machine service life.
Control Lever or Foot Pedal	Allows the operator to control hammer action.	Enables single blows, light blows and continuous forging control.
Note	Machine structure and component design may vary depending on hammer capacity, configuration, tooling requirements and project specifications.

Process flow

1. Material preparation

Select the correct billet, bar or workpiece size

2. Heating

Heat the material to the correct forging temperature

3. Positioning

Place the hot workpiece on the lower die or anvil

4. Initial forging

Use controlled hammer blows for rough shaping

5. Forming

Continue drawing, upsetting, bending or shaping as required

6. Finishing

Use lighter blows for final forming and surface correction

7. Cooling

Allow the forged part to cool according to the material process

8. Inspection

Check dimensions, shape and forging quality

8. Further processing

Carry out trimming, machining, heat treatment or cleaning if required

Electric screw press technical specifications

Specification	Unit	150 kg	250 kg	400 kg	560 kg	750 kg	1000 kg	2000 kg
Structure	—	Two-piece	Two-piece	Two-piece	Two-piece	Two-piece	Two-piece	Two-piece
Falling Part Weight	kg	150	250	400	560	750	1000	2000
Striking Energy	kJ	2.5	5.6	9.5	13.7	19	27	54
Blows Per Minute	min^-1	180	140	120	115	105	95	80
Working Height	mm	370	450	530	600	670	800	1000
Throat Depth	mm	350	420	520	550	750	800	950
Square Workpiece Capacity	mm	130 × 130	145 × 145	220 × 220	270 × 270	270 × 270	290 × 290	350 × 350
Round Workpiece Capacity	mm	Ø145	Ø175	Ø240	Ø280	Ø300	Ø320	Ø400
Motor Power	kW	18.5	22	30	45	55	75	132
Machine Weight Including Base	kg	3260	5000	8000	9800	17000	20000	48000
Anvil Block Weight	kg	1500	2500	4200	6300	9000	12000	24000
Application Scope	Forging Process: Open die forging, free forging, drawing-out, upsetting, bending, punching, chiselling, twisting, forge welding and hot forming Suitable Materials: Carbon steel, alloy steel, stainless steel, aluminium alloy, copper, brass and other forgeable metals Typical Products: Shafts, bars, rings, tools, hardware parts, agricultural tools, repair parts and small to medium forged components
Note	The above technical specifications are for reference only. Final specifications may vary depending on hammer capacity, machine configuration, forging material, tooling design and project requirements.

For accurate model selection, please send your workpiece size, material, forging temperature, required process and expected production output. Wiz Machinery can help match the hammer capacity to your application.

How to Choose the Right Pneumatic Forging Hammer

Choosing the right pneumatic forging hammer is important for forging quality, machine life and production efficiency. A hammer that is too small may struggle with larger stock, while an oversized hammer may be unnecessary for smaller workshop parts.

1. Confirm the Material

Different materials require different forging temperatures and forming force. Steel, alloy steel, stainless steel, aluminium alloy, copper and brass may each need different machine capacity and tooling.

2. Check the Workpiece Size

The maximum round bar diameter, square bar size, billet weight and finished part dimensions should be checked before choosing the hammer capacity.

3. Define the Forging Process

Your process may include drawing-out, upsetting, bending, punching, forge welding, cutting or general open die forging. The process will affect the required hammer size and die selection.

4. Review Production Volume

A workshop making occasional parts may need a different machine from a factory producing forged components every day. Your production target helps determine the most suitable capacity.

5. Consider Factory Space

The machine footprint, foundation, material handling space and operator access should be planned before installation.

6. Plan Tooling Requirements

Different products may require flat dies, drawing dies, cutting dies, fullering dies or customised tooling. Correct tooling improves forging speed and part consistency.

Optional Dies and Tooling

A pneumatic forging hammer can be used with different dies and forging tools depending on the workpiece and process. For most open die forging applications, simple flat dies are commonly used, while drawing, fullering, cutting, punching or customised tools may be selected for specific operations.

Tooling Option	Typical Use	Suitable Forging Application
Flat Dies	General open die forging, flattening, drawing and basic shaping.	Bars, billets, shafts, tools, brackets and general forged parts.
Drawing Dies	Reducing the cross-section and lengthening heated bars or billets.	Drawing-out, bar forging, shaft forming and elongated forged components.
Fullering Tools	Creating grooves, transitions and local reductions in heated metal.	Tool making, shaft transitions, decorative work and shaped reductions.
Cutting Tools / Hot Cutting Dies	Cutting heated bars, billets or forged sections during the forging process.	Billet preparation, hot cutting, trimming and separating forged parts.
Punching Tools	Creating holes or openings in heated metal using suitable tooling.	Tool eyes, brackets, links, rings, handles and hardware components.
Bending Tools	Forming heated metal into angles, hooks, curves and shaped profiles.	Hooks, brackets, handles, rings, decorative ironwork and custom forged parts.
Custom Top and Bottom Dies	Supporting repeated production of specific forged shapes where suitable.	Small-batch forged parts, repair components, tool blanks and repeatable open die forging work.
Note	Tooling suitability depends on hammer capacity, material, forging temperature, die design, workpiece size and operator requirements. For complex precision shapes, a forging press, die forging hammer or closed die forging machine may be more suitable.

Note: Tooling suitability depends on hammer capacity, material, forging temperature, die design, workpiece size and operator requirements. For complex precision shapes, a forging press, die forging hammer or closed die forging machine may be more suitable.

Electric screw press vs power hammer

An electric screw press is usually better for closed die forging, precision forging, sizing and repeatable production. A power hammer is more commonly used for open die forging, drawing out, upsetting and flexible hammering operations.

If your goal is accurate closed die forging and consistent part production, an electric screw press is usually the better choice. If your goal is open die forging or general blacksmith-style hammering work, a power hammer may be more suitable.

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We help match the right forging hammer, press, or auxiliary equipment to your production needs, workpiece size, and process requirements.

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One-stop support from machine selection to installation, training, maintenance guidance, spare parts, and ongoing technical assistance.

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FAQ

What is a pneumatic forging hammer?

A pneumatic forging hammer is a powered forging machine that uses a pneumatic working system to move the hammer ram and shape heated metal through repeated impact.

Is a pneumatic forging hammer the same as a power hammer?

A pneumatic forging hammer is one type of power hammer. The term power hammer is broader, while pneumatic forging hammer more accurately describes this machine type.

What is a pneumatic power hammer used for?

It is used for hot metal forming processes such as drawing-out, upsetting, bending, punching, twisting, chiselling, forge welding and open die forging.

Do I need an external air compressor?

Many pneumatic forging hammers are self-contained, meaning they use an integrated pneumatic system and do not usually require an external compressor for normal operation.

What materials can be forged?

The machine can be used for forgeable materials such as carbon steel, alloy steel, stainless steel, aluminium alloy, copper and brass, depending on the hammer capacity and forging conditions.

Can this machine be used for blacksmith work?

Yes. Smaller capacity pneumatic power hammers are suitable for blacksmith workshops, blade forging, tool making, artistic metalwork and repair jobs.

Can this machine be used for industrial forging?

Yes. Larger pneumatic forging hammer machines can be used for industrial open die forging and production of medium-sized forged parts.

How do I choose the right hammer size?

The correct size depends on material, workpiece dimensions, forging process, production volume and workshop conditions. Send your requirements to Wiz Machinery and we can recommend a suitable capacity.

Can customised dies be supplied?

Yes. Flat dies, drawing dies, cutting tools and customised tooling can be discussed according to your workpiece and forging process.

Request a Pneumatic Forging Hammer Quote

Operator training can usually be provided for machine operation, safety procedures, daily maintenance, troubleshooting, and production process control. Proper training helps improve machine performance, reduce downtime, and extend equipment service life.