A hydraulic thread rolling machine is a high-precision industrial device designed to form strong external threads on various materials, including round steel, copper, aluminum, and stainless steel. Unlike traditional cutting methods, thread rolling uses cold forming technology to displace material without removing it, preserving the steel’s integrity while providing superior strength, fatigue resistance, and corrosion performance. This makes hydraulic thread rolling machines ideal for construction, manufacturing, and heavy machinery industries.
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Hydraulic Thread Rolling Machine Parameters
| Model | Z28-40 | Z28-80 | Z28-150 | Z28-185 | Z28-200 |
| Thread Specification (Max.) | Ø5-36mm, Pitch 0.5-4.0mm | Ø42mm, Pitch 5mm | Ø52mm, Pitch 6mm | Ø64mm, Pitch 5mm | Ø80mm, Pitch 8mm |
| Spindle Inclination | ±3° | ±5° | ±5° | ±5° | ±10° |
| Spindle Power | 4.0 kW | 4.0 kW | 5.5 kW | 11 kW | 7.5 kW |
| Roller OD (mm) | 120-170 | 120-170 | 120-170 | 120-210 | 210 |
| Roller ID (mm) | 54 | 54 | 54 | 75 | 75 |
| Max. Roller Width (mm) | 100 | 100 | 30-100 | 30-100 | 160 |
| Spindle Speed (rpm) | 39/49/66/82 | 37,46,63,79 (Gears) | 37,46,63,79 | – | 16/26/38/55/90 |
| Hydraulic Power | 2.2 kW | 2.2 kW | 2.2 kW | – | – |
| Max. Rolling Force | 140 kN | 150 kN | 200 kN | 200 kN | 400 kN |
| Machine Dimensions (mm) | 1350x1210x1050 | 1520x1400x1130 | 1520x1550x1445 | 1650x1600x1600 | 2450x1780x1670 |
| Weight (kg) | 1000 | 1500 | 1850 | 2200±50 | 3000 |
| Key Features | For straight/spiral/helical threads; cold forming. | Radial & axial processing; for bolts, studs. | – | Center Distance: 120-199mm; Hydraulic Time: 0.1-99.9s. | For precision/high-strength threads; Coolant Pump: 120W. |
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What Is a Hydraulic Thread Rolling Machine?
A hydraulic thread rolling machine uses rolling dies powered by a hydraulic system to form threads on metal rods, pipes, and bolts. The cold-forming process ensures that the threads have excellent mechanical performance, with no material waste and minimal deformation. Advanced machines allow for customized thread patterns, such as spiral patterns or straight patterns, and can roll threads to virtually unlimited lengths, depending on die selection and material.
Hydraulic thread rolling machines are widely used in machine shops for custom parts and in production factories requiring consistent thread quality. They are capable of processing large-diameter bars and are suitable for non-sleeve applications, giving engineers and manufacturers great flexibility.
Applications of Hydraulic Thread Rolling Machines
Hydraulic thread rolling machines are highly versatile and can handle a variety of applications:
- Rebar Threading: Ideal for reinforced concrete projects, bridges, and prefabricated building components. By cold forming the steel, the threads maintain high tensile strength.
- Bolt Threading: Perfect for high-strength bolts used in mechanical assembly and industrial equipment. Ensures precise, durable threads without material loss.
- Threading Pipe Machine: Capable of threading metal pipes in construction, plumbing, and hydraulic systems. Suitable for copper, aluminum, stainless steel, and large-diameter pipes.
The machine’s ability to select rolling dies according to thread length and specifications makes it adaptable to different projects, whether small-scale machine shop production or large factory output.
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Factors Affecting Rebar Threading Machine Price
When evaluating a rebar threading machine price, consider the following factors:
- Machine Type: Manual, semi-automatic, or fully hydraulic. Hydraulic systems provide higher precision and longer tool life.
- Material Compatibility: Machines capable of handling steel, copper, aluminum, and stainless steel may cost more due to stronger components.
- Bar Diameter and Thread Length: Large-diameter bars or unlimited thread length require robust hydraulic systems and specialized dies.
- Threading Speed and Volume: Faster production requires high-capacity hydraulic pumps and precise control systems.
- Optional Features: PLC control, automated feeding, and die customization can affect pricing.
Typical hydraulic thread rolling machine prices range depending on capacity and features, from $15,000 to $60,000.
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Advantages of Hydraulic Thread Rolling Machines
High Strength Threads: Threads often exceed the parent material in tensile strength.
- Fatigue and Corrosion Resistance: Cold forming improves performance under cyclic loads and harsh environments.
- Versatile Material Compatibility: Can process round steel, copper, aluminum, stainless steel, and large-diameter bars.
- Customizable Threads: Supports spiral and straight thread patterns for different applications.
- Unlimited Thread Length: Rolling length only limited by die selection, not machine capacity.
- Efficient Production: Ideal for machine shops, factories, and high-volume construction projects.
How to Choose the Right Hydraulic Thread Rolling Machine?
When selecting a machine, consider:
- Material and Bar Diameter: Choose a machine that can handle your specific metals and maximum bar size.
- Thread Specifications: Ensure the rolling dies match your required thread type and length.
- Production Volume: Automatic hydraulic machines are better for continuous or high-volume work.
- Maintenance and Support: Check die availability, service support, and hydraulic system reliability.
- Machine Footprint: Large hydraulic machines require proper installation space.
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FAQ About Hydraulic Thread Rolling Machines
Q1: Can the machine roll threads on stainless steel and aluminum?
A1: Yes, hydraulic thread rolling machines are compatible with steel, stainless steel, aluminum, and copper.
Q2: Does the machine support large-diameter bars?
A2: Yes, machines are designed to handle both standard and large-diameter rods.
Q3: Is there a limit on thread length?
A3: No, thread length is only limited by the rolling die and material; machines can roll threads to virtually unlimited lengths.
Q4: How does it differ from manual thread rolling?
A4: Hydraulic machines provide higher precision, faster production, and less labor, suitable for factory-scale operations.
Q5: Can it roll threads for bolts, rebar, and pipes?
A5: Yes, with appropriate dies, a single hydraulic thread rolling machine can process rebar, bolts, and pipes.
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YG Machinery: Professional Hydraulic Thread Rolling Machine Manufacturer
YG Machinery offers a wide range of hydraulic thread rolling machines for rebar, bolts, and pipes, with the following advantages:
- Customized Solutions: Machines tailored for specific bar diameters, materials, and thread patterns.
- High-Quality Spare Parts: Ensures long-term performance and minimal downtime.
- Competitive Pricing: Provides cost-effective solutions for both small workshops and large factories.
- International Experience: Proven results in rebar processing, bolt production, and pipe threading projects worldwide.
