Hydraulic Upsetting Machine

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Hydraulic Upsetting Machine

A hydraulic upsetting machine is a specialized forging or forming machine used to increase the diameter (upset) of the end of a pipe, tube, rod, or bar through axial compression, typically by applying high-pressure hydraulic force. It's commonly used in industries such as oil & gas, construction, and mechanical manufacturing—especially in drill pipe production, tool joints, and high-pressure pipe ends.

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Hydraulic Upsetting Machine – Product Description

What it Does:

The hydraulic upsetting machine enlarges the diameter of the end of a tube or rod by applying axial hydraulic force while holding the workpiece in a fixed die. This process is known as "upsetting" and is used to:

Prepare pipe ends for threading or connection (e.g., API tool joints)

Strengthen the joint section for higher mechanical load resistance

Ensure dimensional precision before further machining

Key Features of Equipment

Hydraulic Clamping & Centering: Ensures firm, automatic grip of the pipe or rod during upsetting
Servo-Controlled Upsetting Stroke: Precise control of upsetting distance and force
Induction or Gas Heating System: Optional preheating of the pipe end before upsetting
Interchangeable Die Sets: For handling multiple pipe diameters and lengths
PLC Control System: Allows preset of stroke, force, timing, and production records

Designed Parameters

Parameter	Value / Range
Pipe Outer Diameter	50mm – 500mm (customizable)
Wall Thickness	4mm – 40mm
Upsetting Force	300 – 2000 tons
Max Pipe Length	6 – 12 meters
Heating Method	Induction / Natural Gas (optional)
Control System	PLC + HMI Touchscreen
Hydraulic System	2–3-stage pressure control, cooling included

Pipe Applications:

Oil & Gas: Drill pipes, casing pipes, API tool joints
Mechanical Engineering: Forged shafts, rods, connecting components
Pressure Pipe Manufacturing: Ends for couplings or flanges
Pipeline Fabrication: High-strength end forming for heavy-duty pipes

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Hydraulic upsetter machine FAQs

Do I need heating before upsetting?

For thick-wall pipes or large diameters, yes. Heating reduces forming force and improves material plasticity.

Can one machine handle multiple pipe sizes?

Yes, by changing die sets and adjusting stroke/pressure settings.

Is upset forging better than welding joints?

Yes, upsetting strengthens the material without introducing welding heat-affected zones or metallurgical defects.

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