The Complete Guide to Metal Forging Equipment — Types · Principles · Applications · Selection
1Overview
A forging press is a machine tool that shapes metal workpieces through continuous, controlled squeezing pressure rather than impact blows. Unlike forging hammers, which deform metal with high-speed impacts, a forging press applies gradual pressure that penetrates deep into the material, producing forgings with uniform internal structure, refined grain flow and superior mechanical properties.
Forging presses are the backbone of modern hot, warm and cold forging production lines. They range from small 100-ton units for hardware and hand-tool production to giant 80,000-ton presses used to forge aircraft structural components. Forged parts are found wherever strength, reliability and fatigue resistance are critical — engines, transmissions, landing gear, wind turbines, drilling rigs and countless everyday tools.
100–80,000 t
Capacity Range
4
Main Drive Types
60–120
Strokes / min (mech.)
30–50%
Energy Saved (servo)
1100–1250°C
Steel Hot-Forging Temp
2Working Principle
A forging press converts drive energy (hydraulic, mechanical or electrical) into a powerful linear pressing force. The heated billet is placed between an upper die attached to the ram (slide) and a lower die fixed on the press bed. As the ram descends, the metal plastically flows and fills the die cavity, forming the desired shape.
Slow squeezing action — pressure is applied over a longer duration than a hammer blow, allowing metal to flow fully into deep, complex die cavities.
Deep deformation — deformation reaches the core of the workpiece, closing internal voids and porosity, producing a dense homogeneous structure.
Precise control — stroke, speed and pressure are accurately controlled and repeatable, ideal for automation and consistent quality.
3Types of Forging Presses
Click each tab to explore the four main press families and their typical use cases.
Hydraulic Forging Press
500 – 80,000 tFull tonnage anywhere in strokeAdjustable dwell
Driven by high-pressure oil (or water emulsion), hydraulic presses deliver full tonnage at any point of the stroke, with fully adjustable speed, pressure and dwell time. This makes them uniquely suited to large deformation work.
Best for: open die forging of large shafts, discs, blocks and rings; isothermal forging of titanium alloys and superalloys; extrusion.
Strengths: unmatched flexibility, deepest deformation penetration, overload-proof by nature.
Trade-off: slower cycle than mechanical presses; hydraulic system requires clean oil management.
Mechanical Forging Press (Hot Die Forging Press)
630 – 16,000 t60–120 strokes/minFixed stroke
A crank-driven press powered by a flywheel and clutch system. Energy is stored in the rotating flywheel and released through the crank mechanism in a fixed, highly repeatable stroke.
Best for: high-volume closed die forging of automotive parts — crankshafts, connecting rods, gears, steering knuckles.
Strengths: fastest production rate, excellent thickness repeatability, easy automation with transfer systems.
Trade-off: tonnage available only near bottom dead center; risk of sticking requires load monitoring.
Energy stored in a flywheel is converted into forging force through a screw-and-nut mechanism. Screw presses combine hammer-like energy delivery with press-like guidance accuracy.
Best for: precision die forging of flanges, gears, turbine blades, hand tools, hardware and coining operations.
Strengths: energy-bound blow adapts to workpiece resistance; modern electric direct-drive versions offer programmable, repeatable energy per blow.
Trade-off: slower than crank presses for very high volumes; single-blow energy must be matched to the part.
Servo Forging Press
Programmable slide curve30–50% energy savingLow noise
Driven directly by high-torque servo motors, servo presses eliminate the conventional clutch and offer complete freedom over the slide motion profile — speed, dwell, and multi-step strokes are all programmable.
Best for: precision forging, warm and cold forging, flexible multi-product lines, difficult-to-form materials.
Strengths: optimized motion improves die life and part quality; major energy savings; quiet operation.
Trade-off: higher initial investment; requires skilled programming to exploit full potential.
Related Forging Equipment
Pneumatic forging hammerHydraulic die forging hammerRing rolling machineUpsetter / horizontal forging machineForging manipulatorInduction billet heaterTrimming press
4Typical Forging Process Flow
A complete closed die forging line combines heating, forming, trimming and downstream treatment:
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1. Billet Cutting
Bar stock sheared or sawn to length
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🔥
2. Heating
Induction furnace, 1100–1250 °C for steel
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3. Forging
Pre-forming, blocking, finishing on the press
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✂️
4. Trimming
Flash removed on trimming press
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♨️
5. Heat Treatment
Normalizing, quenching & tempering
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✅
6. Inspection
Dimension, hardness, UT / MT testing
A properly matched heater–press–trimmer line is the key to stable quality and low cost per piece. We supply complete turnkey forging lines — ask us for a layout proposal: cnhammer@gmail.com
Example: hot die forging press series (J53 electric screw press series also available on request).
Model
Nominal Force (kN)
Slide Stroke (mm)
Strokes/min
Max Die Height (mm)
Main Motor (kW)
J53-1000
10,000
300
85
560
55
J53-1600
16,000
350
75
650
90
J53-2500
25,000
400
70
750
132
J53-4000
40,000
450
60
900
200
J53-6300
63,000
500
50
1,050
315
* Specifications above are for reference only. Machines are customized to your workpiece, output and process requirements. Contact +86 185 3060 5031 (WeChat / WhatsApp) for detailed datasheets.
7Press Type Comparison
Criterion
Hydraulic
Mechanical
Screw
Servo
Typical capacity
500–80,000 t
630–16,000 t
160–12,500 t
200–10,000 t
Production speed
Low–Medium
High
Medium
Medium–High
Stroke flexibility
Fully adjustable
Fixed
Energy-programmable
Fully programmable
Best process
Open die, extrusion, isothermal
High-volume closed die
Precision die forging
Precision / warm / cold
Energy efficiency
Medium
Medium
Medium
High (30–50% saving)
Foundation requirement
Moderate
Moderate
Light–Moderate
Light–Moderate
Initial investment
Medium–High
Medium
Low–Medium
High
8Advantages of Press Forging
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Superior mechanical properties
Continuous grain flow gives forged parts higher strength and fatigue resistance than cast or machined parts.
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Material savings
Near-net-shape forging minimizes machining allowance and raw material waste.
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High productivity
Easily integrated into automated, high-volume production lines with robots or transfers.
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Consistent quality
Precise stroke and pressure control ensures part-to-part repeatability.
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Lower vibration & noise
Compared with hammers, presses need lighter foundations and give a better working environment.
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Automation ready
Stable cycle times make presses ideal for Industry 4.0 monitoring and robotic handling.
9Selection Guide
Key factors to consider when choosing a forging press:
Part material and size — determines the required tonnage and die space. Rule of thumb for closed die steel forging: 50–80 kN per cm² of projected part area (including flash).
Production volume — high volume favors mechanical or servo presses; small batches of large parts favor hydraulic presses.
Forging process — open die, closed die, extrusion, coining or isothermal forging each suit different press types (see comparison table above).
Precision requirement — screw presses and servo presses excel at precision forging with minimal flash.
Budget and energy cost — servo drives save 30–50% energy over the machine's service life.
Auxiliary equipment — plan the heater, trimming press, manipulator and die change system together with the main press.
📐 Free selection service: send your part drawing or sample photos to cnhammer@gmail.com or WhatsApp +86 185 3060 5031 — we reply with a machine proposal and quotation within 24 hours.
10Frequently Asked Questions
A hammer deforms metal through repeated high-speed impact blows — deformation concentrates near the surface, and multiple blows are needed. A press applies slow, continuous squeezing — deformation penetrates to the core in one or few strokes, giving better internal quality, quieter operation and lighter foundations. Hammers remain cost-effective for certain small and medium die forgings; presses dominate precision and high-volume work.
For closed die forging of steel, a common rule of thumb is 50–80 kN per cm² of the part's projected area including flash land. Complex shapes, thin webs and harder alloys push the requirement to the higher end. Send us your part drawing and we will run the calculation for you free of charge.
For carbon steel and stainless flanges up to ~24", an electric screw press line (with induction heater and trimming press) is the most popular solution — good precision, moderate investment. For very large flanges, a hydraulic press plus ring rolling machine combination is used. Tell us your flange size range and monthly output for an exact recommendation.
Yes. We supply turnkey lines including billet shear/saw, induction heating furnace, main forging press or hammer, trimming press, manipulators/robots, die sets and commissioning. Engineers are available for overseas installation, training and after-sales support.
Machines are shipped with complete documentation, foundation drawings and tooling lists. Standard warranty is 12–18 months. Wear parts and PLC/hydraulic components use internationally available brands for easy sourcing. Remote diagnostics and on-site engineer service are both available — contact +86 185 3060 5031 for details.
11Contact Us & Get a Quote
Forging presses, forging hammers and complete forging lines — factory-direct supply, worldwide export, with engineer support for installation and commissioning. Send an inquiry and we reply within 24 hours.