Jiangsu, China
Business Type:
Manufacturer/Factory, Trading Company, Group Corporation
Registered Capital:
2000000 USD
Plant Area:
>2000 square meters
Management System Certification:
ISO 20000
Main Markets:
North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, ...
OEM/ODM Service

Duct Manufacture, Duct Machine, Square Machine manufacturer / supplier in China, offering Square Duct Manufacture (Auto-Line III), VMC850B CNC Vertical Machining Center, Vmc1050L CNC Vertical Machining Center and so on.

Gold Member Since 2014
Audited Supplier

Square Duct Manufacture (Auto-Line III)

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Min. Order: 1 Piece
Port: Shanghai, China
Payment Terms: L/C, T/T, D/P
Material: Galvanized Sheet
Usage: for Air Conditioner, Industrial
Shape: Rectangle
Certification: ISO, CE

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Basic Info

Model NO.: Square Duct Manufacture Auto-line III

Product Description

      Products Information

Auto-line III consists of a metal feeding frame, leveling and grooving equipment, hydraulic punching square notch equipment, hydraulic cutter and folder. The electrical control system uses a computer with a closed-loop and servo-system to increase the precision and reliability of the manufacture line.

The maximum working speed is 10m/min. The length tolerance is ±o.5mm. The diagonal line tolerance is ±0.8mm.

 One team will produce 1000m2 of square duct by using this syste

The working flow

Coiler--metal feeding frame--levelling and grooving equipment

Square notch and punch cutter--fold and cut metal for TDF

Fold and cut metal for inserted flange

Cut metal for duct

Basic Equipment                 

A: Two units of motor-driven metal feeding frames

B: One set of leveling and grooving equipment

C: Four sets of hydraulic punching square notch dies

D: Hydraulic cutter and folder

E: Industrial computer and special software
Square Duct Manufacture (Auto-Line III)


A: It can cut fixed sized metal, also can be used with a plasma cutting machine.

B: (a) Punch "C", "S" inserted cleat notch. It can be used with "C" cleat and "S" inserted flange machines.

(b) Due to different connecting methods for notch cutting, it can be used with TDF flange machine and TDF connecting machines.

(c) It's able to punch all kinds of notches which are used by angle iron flange or "Z" shape flange machine. It can fold ", and " shape, and can be used with combined seaming machine to produce a complete set of duct.

C: It can punch TDC notch and fold metal for inserted flange, to produce " shaped duct, for example. It can be used with both combined seaming machine and inserted flange to manufacture a complete set of duct.

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