Decoiler Double Rolling Ribbed Bar Plain Deformed Wire Rod for Construction Steel Processing Line Rebar Straightening Cutting Machine

Product Description

Product Description

Dual Rolling Cold-Rolled Three-Sided Ribbed Rebar Straightening & Cutting or Recoiling Line

Production Line Features

1. Integrated Design
Combines descaling, cold rolling, stress relief, straightening, and cutting into one compact line for efficient continuous production.
 
2. Dual Rolling for Better Quality
Two cold rolling mills allow double-pass rolling, improving forming accuracy, surface finish, and dimensional consistency.
 
3. Efficient Descaling & Lubrication
Dual hydraulic descaling machines and lubricant powder boxes ensure thorough scale removal and even lubrication.
 
4. High-Precision Straightening & Cutting
Achieves straightness deviation ≤2 mm/m and cutting tolerance ±3mm, meeting strict construction standards.
 
5. Stable Servo Control System
Frequency servo control ensures precise speed regulation and smooth operation.
 
6. Energy-Efficient & Eco-Friendly
Lower energy consumption and no high-temperature emissions, supporting green manufacturing.
 
7. Meets GB13788-2024 Standard
Final product fully complies with national standards for construction-grade rebar.

Raw Material

Finished Product

Compatible with your local hot-rolled rebar grades

Diameters ranging from 5mm-14 mm.

(Provide the rebar grades used in your country)

Customized(Straight lengths, with optional recoiling)

Achieve a tensile strength of up to 550 MPa

Diameters ranging from 4mm-12mm

Main Applications

1. Building Construction: high-rise buildings, residential complexes
2. Infrastructure Projects: bridges, highways, tunnels
3. Industrial Structures: factories, warehouses, industrial platforms
4. Precast Concrete Components: slabs, beams, columns with enhanced rebar
5. Welded Mesh Production: for floors, walls, and structural panels
Key Advantages

1. High Strength Output: increases rebar strength up to 550 MPa
2. Wide Diameter Range: processes 5–14 mm rebar in one system
3. Precision Rib Forming: 3-side ribs ensure excellent bonding and weldability
4. Continuous Production: no downtime for bundling, supports 24/7 operation
5. Stable Quality: consistent performance for high-volume, standardized output

The complete production line consists of the following units:
 
pay-off stand, hydraulic descaling machine (2 sets), lubricant powder box (2 sets), cold rolling mill (2 sets), stress relief machine, high-speed straightening and cutting machine, automatic alignment rack, discharge rack, frequency servo control system, recoiler unit(optional).

1. Decoilers
Provides stable feeding of raw material.

2. Hydraulic Descaling Machine (2 sets)
Efficiently removes oxide scale and impurities from raw material surfaces.

3. Lubricant Powder Box (2 sets)
Ensures even application of drawing powder, reducing friction during rolling.

4. Cold Rolling Mill (2 sets)
Enables double-pass rolling for improved forming accuracy and dimensional consistency.

5. Stress Relief Machine
Eliminates internal stress in the rebar after rolling, enhancing ductility and weldability.
 

6. High-Speed Straightening and Cutting Machine
Achieves straightness deviation ≤3 mm/m and cutting tolerance ±2 mm.

7. Automatic Alignment Rack
Neatly aligns and stacks the finished rebar for smooth discharge.

8. Discharge Rack
Supports organized output of the final product.

9. Frequency Servo Control System
Ensures precise speed control and smooth operation throughout the line.

10.Recoiler unit (optional): 
Rewinds straightened/cut bars into compact coils for flexible storage or transport.

Specification

Model No.	LZDL150S-1	LZDL180S-1	LZDL180S-2
Raw Material Diameter, mm	Φ5.0-10	Φ6.5-12	Φ6.5-14
Finished Rolling Diameter, mm	Φ4 Φ5 Φ6 Φ7 Φ9	Φ5 Φ6 Φ7 Φ8 Φ9 Φ11	Φ6-12
Max.Diameter Reduction Ratio	1.5	2.5	2.5
Max.Rolling Speed, m/min.	150	150/180	150/180
Overall Production Capacity, tons/month	1600	2600	3000
Actual Power Consumption, kw.h/ton	18-25	19-22	19-22
Wear Parts Consumption, RMB/ton	4-6	2-3	2-3
Standard Cut Length Range, m	1.5 -12	1.5 -12	1.5 -12
Cutting Length Tolerance, mm	±2mm	±2mm	±2mm
Straightness Deviation, mm/m	≤3mm	≤3mm	≤3mm
Total Installed Power,  kw	75.5kw	105.5kw	155kw
Speed Control Method	Variable Frequency Speed Control	Variable Frequency Speed Control	Variable Frequency Speed Control
Number of Sizing Traction Units	2	2	2
Straightening Method	Pressure Roller Type or Rotary Type	Pressure Roller Type or Rotary Type	Pressure Roller Type or Rotary Type
Number of Straightening Traction Units	2/3	2/3	2/3
Shearing and Control Method	Servo Flying Shear or Servo Drop Shear	Servo Flying Shear or Servo Drop Shear	Servo Flying Shear or Servo Drop Shear
Length Control Method	Photoelectric Switch or Optional PLC	Photoelectric Switch or Optional PLC	Photoelectric Switch or Optional PLC
Discharge Method	Auto.Align Rack with "Continuous Production"	Auto.Align Rack with "Continuous Production"	Auto.Align Rack with "Continuous Production"
Roller Lubrication and Cooling Method	Saponification liquid or Drawing Powder	Saponification liquid or Drawing Powder	Saponification liquid or Drawing Powder
Total Equipment Weight, tons	About 7 tons	About 8.5 tons	About 9.5tons

Single Rolling VS Dual Rolling & Straightening Line 
Comparison Table

Item	Single Rolling & Straightening Line	Dual Rolling & Straightening Line
Cold Rolling Mills	1 unit	2 units
Rolling Method	Single-pass rolling	Double-pass continuous rolling
Decoilers	2 units (for continuous feeding)	1 unit
Hydraulic Descaling Machines	1 unit	2 units
Lubricant Powder Boxes	1 unit	2 units
Stress Relief Machine	Optional	Standard
Straightening Accuracy	≤3 mm/m	≤3mm/m
Cutting Length Tolerance	±2 mm	±2 mm
Straightening Method	Online straightening	Online straightening
Cutting Method	Servo flying shear / drop shear	Servo flying shear / drop shear
Speed Control System	Variable frequency control	Variable frequency control
Lubrication Method	Saponification liquid or drawing powder	Saponification liquid or drawing powder
Discharge Method	Automatic alignment discharge	Automatic alignment discharge
Continuous Production	Yes (dual decoiler)	No (single decoiler, requires downtime for coil change)
Production Capacity	Medium	High
Power Consumption	Energy-efficient	Energy-efficient
Footprint	Compact	Slightly larger
Applicable Customers	Small to medium-sized workshops	Medium to large factories, continuous production users
Investment Cost	Lower	Higher
Automation Level	Moderate	High, supports full automation
Compliance with GB13788-2024	Yes	Yes

Company Profile

Chongqing Landsail Technology Co., Ltd.

A leading manufacturer specializing in rebar machinery, offering full-service solutions in design, production, sales, and after-sales support.

1. Professional Expertise: 

With experienced engineers and designers, we deliver innovative and customized solutions.
2. Quality Assured:

Our products meet international standards including ISO 9001 and GB13788-2024.
3. Global Trade Advantage:

Backed by our group's international logistics company and customs clearance team, we ensure smooth and efficient global delivery.
4. OEM & ODM Welcome:

We fully support OEM and ODM services with flexible customization options.
5. Trusted Experience:

With over 20 years in the industry and 1,000+ satisfied customers worldwide, we are known for reliability and excellence.

Why Choose Us?

Other Production lines

1. Comprehensive Product Line for Rebar Processing

2. Advanced Technology and High Precision

3. Full Support for OEM & ODM Services

4. Complete Trade & Logistics Support

5. Quality Assured, Standards Compliant

6. Professional Service and Experience

1. High Performance Cold-Rolled Two-Sided Ribbed Rebar Heating Straightening or Recoiling line
2. Single Rolling CRB550 Cold-Rolled Three-Sided Ribbed Rebar
3. Rotating Roller CNC High-speed Rebar Straightening & Cutting
4. Pressure Roller CNC High-speed Rebar Straightening & Cutting
5. Third-Class Hydraulic Elongation Straightening & Cutting
6. Multi-function Cold Rolling Elongation Straightening & Cutting

Customer Installation Gallery & Certifications

FAQ

Q: What is the production capacity of this line?
A: Capacity varies by model and configuration, suitable for medium to high-volume production.
 
Q: How do dual cold rolling mills improve quality?
A: Double-pass rolling enhances forming accuracy, surface finish, and dimensional consistency.
 
Q: Why are two hydraulic descaling machines used?
A: Ensures thorough removal of oxide scale and impurities for better surface quality.
 
Q: What is the role of the lubricant powder boxes?
A: Apply drawing powder evenly to reduce friction and improve rolling performance.
 
Q: How does the automatic alignment rack work?
A: Automatically aligns and stacks rebar for efficient discharge and packaging.
 
Q: Is continuous production supported?
A: Yes, with automated alignment and discharge for minimal downtime.
 
Q: Is the line energy-efficient?
A: Yes, consumes less energy than traditional hot rolling and is environmentally friendly.
 
Q: Is the line customizable?
A: Yes, the line can be customized according to customer needs.
 
Q: Do you offer installation and training?
A: Yes, we provide on-site installation and operator training services.
 
Q: Do you have your own logistics and customs service?
A: Yes, we own an international logistics company and customs brokerage for smooth delivery.