Zhangjiagang ZhongYue Metallurgy Equipment Technology Co.,Ltd
| Tube OD Range | φ10-26 mm |
| Payment Terms | T/T,L/C |
| Wall Thickness | 0.4-1.5 mm |
| Delivery Time | 60-120 working days |
| Supply Ability | 150 Sets per Year |
| Line Speed | up to 90 m/min |
| Packaging Details | Seaworthy wooden case and container loading, rolls wrapped in anti-rust film |
| Key Feature | Fast size changeover, short downtime |
| Roll Change | Side-pull quick change on forming and sizing stands |
| Model Number | ZY20 |
| Place of Origin | Zhangjiagang, Jiangsu, China |
| Certification | CE, ISO 9001:2015 |
| Brand Name | ZHONG YUE |
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Product Specification
| Tube OD Range | φ10-26 mm | Payment Terms | T/T,L/C |
| Wall Thickness | 0.4-1.5 mm | Delivery Time | 60-120 working days |
| Supply Ability | 150 Sets per Year | Line Speed | up to 90 m/min |
| Packaging Details | Seaworthy wooden case and container loading, rolls wrapped in anti-rust film | Key Feature | Fast size changeover, short downtime |
| Roll Change | Side-pull quick change on forming and sizing stands | Model Number | ZY20 |
| Place of Origin | Zhangjiagang, Jiangsu, China | Certification | CE, ISO 9001:2015 |
| Brand Name | ZHONG YUE | ||
| High Light | Side Pull Quick Roll Change ，Fast Changeover Tube Mill ，Small Diameter Pipe Machine | ||
Every size change stops production, and on fixed-shaft mills operators must dismantle adjacent stands to reach a roll set. For mills running many φ10-26mm sizes in short batches, changeover time is the single biggest drain on output.
Fixed-shaft designs require removing neighboring rolls to access the target set, and re-aligning the pass after every change is manual and error-prone. The longer the line sits idle, the more capacity is lost across frequent size runs.
Forming and sizing stands use side-pull quick-change frames, so operators slide a roll set out and a new one in without dismantling adjacent stands.
Pre-aligned roll assemblies reduce re-alignment work, letting the line return to rated speed faster after each size change.
Combined with 42CrMo hardened shafts, quick change keeps maintenance and switch-over downtime to a minimum across short-batch production.
| Parameter | Specification |
|---|---|
| Tube outside diameter | φ10–26 mm |
| Wall thickness | 0.4–1.5 mm |
| Rated production speed | up to 90 m/min |
| Raw material | HR / CR low-carbon steel, galvanized steel |
| HF welder power | 100 kW solid-state |
| Forming stands | 5 rough + 3 finish |
| Sizing stands | 6 horizontal + 6 vertical |
| Leveling rolls | 7-roll precision leveler |
| Cut length / precision | 4–8 m, ±3 mm |
| Coolant flow | ≥10 t/h spray + overflow pool |
| Roll shaft material | 42CrMo quenched & tempered + HF hardened |
Every ZY20 runs one continuous flow from coil to finished cut tube. An uncoiler feeds strip through a 7-roll precision leveler that removes coil-set, then double-radius forming shapes it in 5 rough and 3 finish stands without edge wave. A 100 kW solid-state HF welder fuses the seam under squeeze pressure with a dedicated seam guide, and an automatic outside-burr unit clears the bead immediately. ≥10 t/h spray plus overflow-pool cooling locks the shape, the 6-horizontal + 6-vertical sizing train sets the diameter, and a 4-roll Turk head straightens the tube before the microcomputer flying saw cuts 4–8m lengths to ±3mm. Overload-protected stands and 42CrMo hardened shafts keep the whole line stable over long runs.
Producers running many small-diameter sizes in short batches who need to minimize changeover downtime and maximize uptime.
Confirm your size-mix frequency, then check the roll-change mechanism — side-pull frames on forming and sizing stands cut changeover time. Verify pre-alignment to speed return to production.
The ZY20 ships as a turnkey package with layout and foundation drawings so you can prepare the site before delivery. Engineer-led on-site installation and commissioning bring the line to rated output, with operator training to hand over a running mill. A one-year warranty with spare-parts support protects the investment, and because the line accepts HR, CR and galvanized coil, you can adapt to changing material costs and market demand without re-tooling.
Roll sets slide out to the side and are replaced without dismantling adjacent stands.
Both forming and sizing stands use side-pull quick-change frames.
No — pre-aligned roll assemblies keep the pass accurate after each change.
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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