ZY20 Furniture Tube Mill Machine φ10-26mm Small Diameter Steel Pipe 0.4-1.5mm 90m/min HF Welding Line

Surface and Tolerance Problems in Furniture Tube Production

Furniture tube buyers reject parts that show a visible weld bead, scratches or OD drift beyond ±0.1mm, because chrome plating and powder coating magnify every surface defect. Mills that push thin 0.4-1.5mm strip through a conventional pass quickly accumulate ovality, seam residue and edge marking that fail plating inspection.

Why Thin Furniture Tube Loses Surface Quality

Thin strip lacks the stiffness to resist edge buckling inside a single-radius pass, and the leftover outside burr plus uneven cooling leave a rough seam and out-of-round body. Without positive seam control the weld shifts, and a soft roll shaft lets dimensions creep, so finish quality degrades long before the roll set is due for change.

The ZY20 Furniture Tube Mill Solution

Seven-roll precision leveling feeds strip flat into a double-radius pass with 5-stand rough and 3-stand finish forming, so the edge enters welding without wave or mark.

An automatic outside-burr unit clears the bead, and a 6-horizontal + 6-vertical sizing train with a 4-roll Turk head straightens the tube to stable roundness for uniform plating.

The line runs HR, CR and galvanized coil at up to 90 m/min through a 100 kW solid-state HF welder, with 42CrMo hardened roll shafts holding tolerance over long campaigns.

Technical Specifications of the ZY20 Tube Mill

Complete Continuous Production Process

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.

Where the ZY20 Furniture Tube Mill Is Applied

Table and chair frames, display racks, shelving uprights, trolley frames and other plated or powder-coated furniture tube in φ10-26mm and 0.4-1.5mm wall.

How to Select a Furniture Tube Mill

Confirm your OD and wall window, then specify the surface finish your plating line demands and the required roundness. Match speed to downstream output and verify HR, CR or galvanized coil so the welder and cooling capacity fit before sizing utilities.

Installation, Support and After-Sales

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.

Frequently Asked Questions About the ZY20 Furniture Tube Mill

What surface quality can I expect for chrome plating?

Automatic outside-burr removal plus 6+6 sizing and Turk head straightening produce a smooth, round body that minimizes rework before plating.

Can the ZY20 hold furniture tube tolerance?

Yes — 42CrMo hardened roll shafts and double-radius forming keep OD drift tight over long runs.

Which materials can it form?

Hot-rolled, cold-rolled and galvanized low-carbon steel coil from 0.4-1.5mm wall.