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Yantai Yunde Intelligent Technology Co., Ltd. has only 30 years of production experience, has served more than 300 domestic and foreign customers, and has produced more than 2,000 machines.
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Straightening machine
- Straightening machine BS Series
Straightening machine BS Series
A straightening machine is a device used to straighten metal profiles, bars, tubes, and wires. The straightening machine uses straightening rollers to compress the material, altering its straightness. Generally, there are two rows of straightening rollers, with varying numbers of rollers. There are also two-roller straightening machines, which rely on the angle change of two rollers (with a concave, hyperbolic shape) to straighten materials of different diameters.
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Product Features
1.The concave and convex roller linear contact straightening can realize full length processing with high precision.
2.Constant pressure load control and roller compaction principle and flexible frame structure are applied to make it more suitable for high strength materials straightening. With larger straightening force and better security, it can both protect the machine and at the same time reduce the phenomenon of diameter shrinkage of bar ends.
3.With separate hydraulic system, pressure holding and load releasing can be convenient, fast, secure and reliable.
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Product Advantages
4.Better cost performance with low price and high quality compared with similar products.
5.The guide plate adopts gantry structure, which means convenient, fast, and reliable installation.
6.Overall framework of the structure means the strength of the whole machine is high, and the position of the roll gap is accurate.
7.Frequency converter adds brake unit and braking resistor, which increases the durability of the converter.
| Model | Diameter Range(mm) | Length (m) | Speed(m/min) | Diameter Tolerance | Surface Roughness （μm） | Straightness(mm/m) | Main Motor Power | Structure |
| BS20 | Φ6–20 | ≥2 | 10~40 | ≤IT8 | Ra≤0.8 | 0.10 | 7.5*2 | Frame |
| BS40 | Φ10–40 | ≥2 | 10~35 | ≤IT8 | Ra≤0.8 | 0.15 | 22*2 | Frame |
| BS60 | Φ15–60 | ≥2 | 10~30 | ≤IT8 | Ra≤0.8 | 0.20 | 30*2 | Frame |
| BS80 | Φ20-80 | ≥2 | 10~24 | ≤IT8 | Ra≤0.8 | 0.25 | 37*2 | Frame |
| BS100 | Φ25-100 | ≥3 | 10~24 | ≤IT8 | Ra≤0.8 | 0.30 | 45*2 | Frame |
| BS130 | Φ35-130 | ≥3 | 10~20 | ≤IT8 | Ra≤0.8 | 0.35 | 75*2 | Frame |
| BS160 | Φ40-160 | ≥3 | 10~20 | ≤IT8 | Ra≤0.8 | 0.40 | 90*2 | Frame |
OUR PRODUCTS
Best-selling Products
Coil To Bar Peeling&Straightening Line
Stainless steel wire rod is decoiled and pre-straightened, then peeled using a centerless lathe and cut to a precise length. Following a final precision straightening pass through a two-roll straightener, the resulting product is a high-precision stainless steel straight bar.
Peeling machine(centerless lathe)
The peeling machine (centerless lathe) unit is a product independently developed after comparing and contrasting the advantages of similar foreign products and combining them with the production characteristics of domestic enterprises, resulting in a simplified and optimized design.
Coil to coil production line
Coil to coil production line is a serial of the machines includes payoff & straightening machine, peeling machine, clamping mechanism, pre-bending device, recoiler machine etc. through above machines, the black coil rod will be processed to bright coil rod with good surface quality
Multi-Roll Steel Pipe Straightening Machine
It is a mechanical device used to straighten the curvature and ovality of steel pipes. It is used to straighten pipes made of high alloy, corrosion-resistant, heat-resistant, heat-resistant steel and alloy, iron-nickel, nickel and titanium alloys , so as to reduce longitudinal non-straightness and cross-sectional non-roundness.
Horizontal and vertical straightening machine
Release the handwheel of the multi-roll horizontal and vertical straightening machine to allow the wire coil to pass through the straightening rollers. Tighten the handwheel to the empirically determined position, start the feeding device, and perform repeated straightening trials. Then feed the wire coil to the vertical straightening rollers, following the same procedure as for horizontal straightening. Finally, feed the wire coil to the peeling machine's feeding device.
Uncoiler & pre-straightening integrated machine
Including: uncoiler, point straightening and horizontal and vertical straightening.
The coil is turned into the rotary drum arm of the uncoiler by a crane, and one end of the coil material is placed between the feeding rollers. Motor-worm gear reducer-double sprocket-gear box-drive roller, and then lock and delivery by the cylinder pressure wheel, all operations can be electrical automation control, no manual operation.
OUR LATEST
Our Latest Blog & News
How Can Precision Bar Peeling Support h8 and h9 Dia Tolerance
Precision bar peeling helps bright bar buyers control diameter, Surface roughness, and defects when choosing a steel peeling machine for h8 and h9 targets.
Why Do High-Strength Bars Need a Bar Straightening Machine
"Frame-type bars straightening machine improves bright bar straightening accuracy, supporting stable bar straightening process in high-strength metal production.
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What Determines Steel Bar Peeling Machine Maintenance Cost
Steel peeling machine reduces cost of machine turned and peeled steel bar maintenance yearly.
How Can a Bar Straightening Machine Improve Accuracy
High-precision bar straightening machine improves accuracy, stability, and efficiency in steel processing, featuring BS100 straightening machine for medium to large bars.
Why Is Automatic Bar Peeling Replacing Machine-Turned and Peeled Methods
Automatic bar peeling delivers higher productivity, tighter tolerances, and superior surface quality, making modern steel peeling machine solutions essential for efficient peeled steel production.
How Horizontal And Vertical Straightening Machines Solve Metal Wire Processing Challenges
YUNDE horizontal and vertical straightening machines deliver precise metal wire straightening with high efficiency, durability, and optimized coil wire straightening performance.
SERVICES
Services
Export Package
We have rich experience in export packaging with professional packaging and professional packing staff. Multilayer packaging is adopted with critical area wrapped with moisture proof and shock proof film, plywood box, or wood box and tray. Multiple reinforcement measures is applied to ensure the solid fixation of equipment on packing box and tray, and the stability of equipment in the container.
Aftersale service
1.Provide free warranty period of 12 months
2.Provide long term free technical support
3.The buyer’s can be trained in our factory for free.
4.Quick response within 24 hours
5.Provide overseas services such as installation instruction, equipment commissioning and operation training.
