Zhangjiagang ZhongYue Metallurgy Equipment Technology Co.,Ltd
| Delivery Time | 60-90 days after deposit |
| Supply Ability | 150 Sets per Year |
| Packaging Details | Seaworthy export wooden case, fixed and protected for container loading |
| Payment Terms | T/T,L/C |
| Model Number | ZY16 |
| Place of Origin | Zhangjiagang, Jiangsu, China |
| Certification | CE, ISO 9001 |
| Brand Name | ZHONG YUE |
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Product Specification
| Delivery Time | 60-90 days after deposit | Supply Ability | 150 Sets per Year |
| Packaging Details | Seaworthy export wooden case, fixed and protected for container loading | Payment Terms | T/T,L/C |
| Model Number | ZY16 | Place of Origin | Zhangjiagang, Jiangsu, China |
| Certification | CE, ISO 9001 | Brand Name | ZHONG YUE |
| High Light | Double-Radius Forming Rollers ，Double Radius Roll Forming ，Precision Forming Rollers | ||
Single-radius rollers force the strip edge through one sharp bend, creating edge strain, marking and uneven deformation that shows up as weld and roundness defects.
A single radius concentrates the bend in one place, so the strip edge is overworked at the entry of each pass and the material flows unevenly around the tube.
The ZY16 double-radius roller profile transitions the strip edge through two gentler curves, distributing bending more evenly and reducing peak edge strain. This keeps edge thickness intact and improves roundness and weld gap stability on Φ8-18mm tube, especially on thin-wall and coated strip.
| Parameter | Specification |
|---|---|
| Mill Model | ZY16 |
| Tube OD Range | Φ8-18 mm |
| Wall Thickness | 0.4-1.0 mm |
| Strip Width Range | 25-57 mm |
| Max Line Speed | 90 m/min |
| HF Welder Power | 100 kW Solid-State High Frequency |
| Strip Material | Hot Rolled / Cold Rolled / Galvanized Steel |
| Uncoiler | Double-Mandrel Pneumatic, 1.5-Ton Coil Capacity |
| Accumulator | 200 m/min High-Speed Cage |
| Strip Leveling | Seven-Roller Leveling Unit |
| Forming Stands | 5-Stand Rough + 3-Stand Precision |
| Roller Geometry | Double-Radius Forming Rollers |
| Roller Shafts | 42CrMo High-Strength Alloy Steel |
| Safety | Forming Stand Overload Protection |
Double-radius rollers transition the strip edge through two gentler curves, so peak edge strain drops and the material flows evenly. This keeps edge thickness intact and improves roundness, especially on thin-wall and coated strip where sharp single-radius bends cause the most defects. The smoother bend path also reduces localized contact stress on the roll surface, so the rollers run longer between regrinds while holding profile accuracy.
For Φ8-18mm tube where edge integrity, surface finish and roundness matter, especially thin-wall and coated strip that cannot tolerate sharp bending.
Choose double-radius tooling when you form thin-wall, galvanized or precision strip. Specify your exact OD and wall so the roller profile is machined to match.
Thin-wall and coated tube, bright-finish tube, and precision small diameter tube where surface and edge quality are key.
They spread the bend over two gentler curves, cutting edge strain and improving roundness and surface finish.
They help most on thin-wall and coated strip; heavier plain strip can use simpler profiles.
Yes, rollers are machined to your exact OD and wall for correct profile and gap.
No, the smoother bend actually reduces localized contact stress, and the 42CrMo shafts keep alignment stable for long tooling life.
By reducing edge strain and keeping the strip stable, they support higher line speed with fewer defects, so they help rather than limit throughput.
Each size uses its own machined roller profile; rollers are not interchangeable across ODs, which is why we profile them per order.
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
1996
Total Annual:
30000000-40000000
Employee Number:
200~500
Ecer Certification：
Verified Supplier
Zhangjiagang Zhongyue Metallurgy Equipment Technology Co., Ltd is located in Xiangshan Road, Jingang Town, Zhangjiagang City, Jiangsu Province, China. With the registered capital of RMB20,000,000 yuan, the company specialize in manufacturing high-frequency precision welded pipe lines, H-Beam steel p... Zhangjiagang Zhongyue Metallurgy Equipment Technology Co., Ltd is located in Xiangshan Road, Jingang Town, Zhangjiagang City, Jiangsu Province, China. With the registered capital of RMB20,000,000 yuan, the company specialize in manufacturing high-frequency precision welded pipe lines, H-Beam steel p...
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