Pipe Mill with ZTF Forming Process Manufacturer

Pipe Mill with ZTF Forming Process

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ZTF forming is a pipe production process specially developed by Zhongtai Group. The process is designed to minimize the time it takes to complete round pipe production, lowering your operating costs. A tube production line using the ZTF forming process does not require the changing of any rollers in the breakdown section, lowering roll costs by about 60%.

Advantages of ZTF Forming:

uring pipe and tube production, you do not need to change any molds in the breakdown section, leading to a 60% reduction in roll costs.
It allows for the production of pipes with a variety of diameters through simple adjustment.
Reduction in manpower
Suitable X70 and N80 grade steel strips.
The friction between the steel strip and rollers is reduced, extending the useful lifetime of the rollers.
Rollers are easy to adjust.

ERW carbon steel pipe mills with our ZTF forming technology can produce pipes in a wide OD range from 48mm to 720mm and max. wall thickness up to 22mm.

Model	Round pipe	Square pipe	Thickness	Working speed
mm	mm	mm	m/min
	Ф48-Ф114	40x40-90x90	1.5-4.5	65
	Ф60-Ф140	50x50-110x110	2.0-5.0	60
	Ф76-Ф165	60x60-130x130	2.0-6.0	50
	Ф89-Ф219	70x70-170x170	2.0-8.0	50
	Ф114-Ф273	90x90-210x210	3.0-10.0	45
	Ф140-Ф325	110x110-250x250	4.0-12.7	40
	Ф165-Ф377	130x130-280x280	4.0-14.0	35
	Ф219-Ф406	170x170-330x330	6.0-16.0	30
	Ф273-Ф508	210x210-400x400	6.0-18.0	25
	Ф325-Ф660	250x250-500x500	6.0-20.0	20
	Ф355-Ф720	300x300-600x600	6.0-22.0	20

To date, we have developed 4 generations of ZTF forming technologies:

Technology	ZTF-1	ZTF-2	XZTF-3	XZTF-4
Adjustment Method	Manual	Manual	Electric	Electric
Rolls in Breakdown Section	Basic Use	Fully Common Use	Fully Common Use	Fully Common Use
Structure and Adjustment of Rotating Horizontal Rolls	No Horizontal Rolls	Manually adjust the rotating, opening and closing, and lifting of the upper and lower rolls. The opening and closing of the shaft as well as the quick release and adjustable mats are manually adjusted.	Electric adjustment of the rotating, opening, closing and lifting of upper rolls. As well as the tilting of lower rolls and opening and closing on the roll seats. Electric adjustment of the space between rolls which is controlled by screw.	Electric adjustment of the rotating, opening, closing, and lifting of the upper rolls. Computer adjustment of the tilting of the lower rolls opening and closing on the roll seats,.
Structure and Adjustment of Rotating Horizontal Rolls	No Horizontal Rolls
Structure and Adjustment of Swiveling Vertical Rolls	Manually control the adjustment for the opening and closing, lifting and rotating of the special curve rolls.	Manually or electronically control the adjustment for the opening and closing, lifting, and rotating of the special curve rolls.	Electric control for the adjustment, opening, closing, lifting, and rotating of the special curve rolls.	Computer control for the adjustment for the opening and closing, lifting and rotating of the special curve rolls.
Adjustment of Other Rolls in the Rough Forming Section	Rollers will be replaced when producing pipes of different sizes.	The rolls open and close on the shaft to manually adjust the quick release and adjustable mats as well as the lifting of the upper rolls.	The rolls open and close on the shaft or roll seats. Manually adjust the space between rolls which is controlled by screw for the lifting of the upper rolls.	The rolls open and close on the shaft or roll seat. Electric adjustment of the space between rolls which is controlled by screw. Computer adjustment of the lifting of the upper rolls.
Micro-adjustment Device for Side Vertical Rolls in Final Forming and Sizing Section	N/A	N/A	Yes	Yes
Adjustment for Rolls Position	Manual	Manual	Manual	Computer
Request for Electronic Control	Low	Low	High	Higher
Accuracy of Rolls Position Adjustment	High	High	Higher	Highest
Operation Site of Rolls position Adjustment	Inside the stands	Inside the stands	Outside the stands	Outside the stands
Deformation of the Pipe Blank Edge	Good	Good	Better	Better
The Formation for High Precision, High Steel Grade and Thick Wall Pipe	Good	Better	Best	Best
Accuracy of Pipe	High	High	Higher	Higher
Labor Intensity	High	High	Low	Very low
Time for Replacing Rolls	Long	Short	Short	Shortest
Online Adjustment	Normal	Normal	Good	Good