Pipe Threading Machine for ERW Steel Pipes

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Pipe Threading Machine for ERW Tube Mill

Our Pipe Threading Machine is designed for high-precision thread cutting on ERW steel pipes used in water, gas, and structural applications. The machine features automatic feeding, hydraulic clamping, and PLC control to ensure accurate BSPT, NPT, and Metric threads. It is widely used in ERW Tube Mill finishing lines together with beveling, end facing, and hydro testing equipment, providing a reliable and efficient solution for pipe end processing.

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Product Description

A Pipe Threading Machine is essential equipment used for cutting external threads on steel pipes after they are formed and sized in an ERW Tube Mill. It ensures accurate, strong, and smooth pipe ends for easier connection in plumbing, gas lines, construction, and mechanical applications.

1.Functions & Features

🔧Thread Cutting: Creates precise and consistent external threads on round pipes.
⚙️High Accuracy Positioning: Ensures each pipe end is centered for stable threading.
🔧Automatic Feeding & Clamping: Reduces labor and increases production efficiency.
⚙️Heavy-Duty Spindle System: Designed for high-speed cutting and long service life.
🔧Cooling & Lubrication System: Prevents tool overheating and improves thread quality.
⚙️Compatible with ERW Pipes: Matches pipe sizes commonly produced in ERW Tube Mills.

2.Applications

Water & gas steel pipes
Scaffolding pipes
Mechanical structure tubes
API-style threaded pipe ends
Construction and industrial pipe connections

3.Technical Parameters (Typical Range)

(Can be adjusted according to customer equipment)

Item	Specification	Description
Pipe Diameter Range	1/2" – 4" (Optional 6")	Suitable for ERW steel pipes, scaffolding pipes, water/gas pipes
Pipe Wall Thickness	1.5–8 mm	Depends on material strength
Thread Types	BSPT / NPT / Metric / API	Replaceable threading dies
Thread Length	8–60 mm	Adjustable depending on standards
Spindle Speed	80–400 rpm	Variable speed for different pipe sizes
Main Motor Power	7.5–22 kW	Larger sizes require higher power
Feeding System	Hydraulic / Servo	Automatic pipe feeding and positioning
Clamping System	Hydraulic 3-jaw chuck	Ensures stable threading without pipe damage
Cooling System	Automatic cutting fluid circulation	Extends tool life and improves thread finish
Control System	PLC + HMI Touch Screen	Easy operation and parameter adjustment
Machine Length	2500–4500 mm	Depending on model
Air Supply Requirement	0.6–0.8 MPa	For clamps and cylinders
Power Supply	380V / 50Hz (Customizable)	Supports worldwide voltage

4.Related Equipment in ERW Tube Mill Line

A Pipe Threading Machine is normally installed after the pipe cutting and finishing section. It often works together with:

✅Flying Saw / Cold Saw Cutting Machine
✅Tube End Facing & Chamfering Machine
✅Hydrostatic Testing Machine
✅Beveling Machine
✅Packing & Bundling System

5.Frequently Asked Questions (FAQ)

1. What is a Pipe Threading Machine used for?

A Pipe Threading Machine is used to cut external threads on steel pipes, especially ERW pipes, for easy connection in plumbing, gas lines, scaffolding, and construction applications.

2. Can it work with ERW Tube Mills?

Yes. It is commonly installed after the flying saw or cold saw in an ERW Tube Mill finishing line, together with beveling, end facing, and hydro testing machines.

3. What type of threads can your machine produce?

It supports BSPT, NPT, Metric, API, and custom thread types with easily replaceable threading dies.

4. What pipe sizes can your threading machine handle?

Standard models cover 1/2"–4", but customized machines can reach 6" or 8" depending on requirements.

5. Does the machine support automatic operation?

Yes. It includes automatic feeding, clamping, lubrication, and PLC control for stable and high-speed threading.

6. How long do the threading dies last?

Usually 15,000–30,000 pcs depending on material hardness, pipe cleanliness, and lubrication quality.

Enter Section Equipments
1. Coil car and Storage
2.Single And Double Heads Un-coiler & Hydraulic And Pneumatic Un-coiler
3.Peeler and hold down roll arm
4.Flattening Machine
5.Automatic and Semi Auto Shearer & Butt Welder
6.Vertical Cage Accumulator & Horizontal Loop Accumulator & Landing Horizontal Spiral Loop Accumulator

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Spare Parts and Consumble Parts

1. Rollers, Moulds, Dies, D2,D3 material to choose
2. Ferrite, Impeder, Fiberglass tube
3. HSS saw blades, TCT Saw blades, Friction saw blades
4. OD burr remove inserts, ID burr remover inserts
5. HF welder Induction Coil and other HF welder spare parts
6. Copper tube for induction Coil, PTFE pipe for Induction Coil
7. Mosfet, Boards
8. Steel pipe Strapping machine
9. Zinc Spray Machine, Zinc wire, Zinc spray gun

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After-sales service

1.Machine test running videos will supply to customer before shipment.
2.Online techenical support WHOLE LIFT FREE.
3.Professional engineers team to install the machine, train your employee well.
4.One year warranty and life-long technical support.
5 .24 hours for engineer response.
6.Your business relationship with us will be confidential to any third party.
7. We welcome customers to visit our factory anytime.

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Frequently Asked Questions (FAQ)

What is a Pipe Threading Machine used for?

A Pipe Threading Machine is used to cut external threads on steel pipes, especially ERW pipes, for easy connection in plumbing, gas lines, scaffolding, and construction applications.

Can it work with ERW Tube Mills?

Yes. It is commonly installed after the flying saw or cold saw in an ERW Tube Mill finishing line, together with beveling, end facing, and hydro testing machines.

What type of threads can your machine produce?

It supports BSPT, NPT, Metric, API, and custom thread types with easily replaceable threading dies.

What pipe sizes can your threading machine handle?

Standard models cover 1/2"–4", but customized machines can reach 6" or 8" depending on requirements.

How long do the threading dies last?

Usually 15,000–30,000 pcs depending on material hardness, pipe cleanliness, and lubrication quality.

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