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ZTF Forming Process 1
  • ZTF Forming Process 1

ZTF Forming Process

Model:-
Brand:zhongtai
Origin:Made In China
Category:Industrial Supplies / Other Industrial Supplies
Label:pipe mill , tube mill , steel pipe mill
Price: -
Min. Order:1 set
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Product Description

Quick Information

  • Brand Name:Zhongtai
  • Place of Origin:China

Description

ZTF forming process

I. What is ZTF?

ZTF is a kind of forming technology developed by Zhongtai Company in 2005, which  absorbed advanced technology from both domestic and international, and then earn “Technology Innovation Award” by China Cold Forming Steel Association.
 
ZTF Characteristics:

  1. Do not need to change moulds in breakdown section, saving about 60% cost on the rolls
  2. Roll changing time is cut down greatly, breakdown section does not need to change moulds and just adjust is ok. And it can cut-down producing period.
  3. Release labor intensity.
  4. Roll forming technology, the caliber is different and propitious for X70,N80 steel strip.

5) The steel strip is distorted and beared more reasonably, to reduce the rub between the strip and roller, and also reduce the waste of the roller.
6)It is easier to restore and adjust roller.
 
II. Where is ZTF used?
 
ZTF technology is used in breakdown section and only suit to produce round pipes.
 
III. What is breakdown section and what is fin-pass section?

Normally, we part the mills as forming section and sizing section.
The section before guild-frame is forming and the rest part is sizing section.
For ZTF, we divide forming section into breakdown section and fin-pass section. The part after the unit of vertical rolls is fin-pass section and before is breakdown section.
 
VI. The development of ZTF technology
 
The Comparation Among Four Generations of Our Pipe Forming Technology
 
 “ZTF-1”, “ZTF-2” , “XZTF-3” and “XZTF-4”
  

Technology ZTF-1 ZTF-2 XZTF-3 XZTF-4
Adjustment Method Manual Manual Electric Electric
Rolls in Breakdown section Basically Common 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 & closing and lifting of upper rolls, the lower rolls opening& closing on the shaft. Manually adjust quick release or adjustable mats. Electric adjust the rotating, opening & closing and lifting of upper rolls , tilting lower rolls opeing& closing on the roll seats. Electric adjust the the space between rolls which is controlled by screw. Electric adjust the rotating, opening & closing and lifting of upper rolls.  Computer adjust the tilting of the lower rolls opening& closing on the roll seats, the space between rolls which is controlled by screw
Structure and Adjustment of Swiveling Vertical Rolls Manually control the adjustment for the opening & closeing, lifting and rotating of the special curve rolls. Manually or electromotion control the adjustment for the opening & closing, lifting and rotating of the special curve rolls. Electric control the adjustment for the opening & closeing, lifting and rotating of the special curve rolls. Computer control the adjustment for the opening & closeing, lifting and rotating of the special curve rolls.
Adjustment of Other Rolls in Roughly Forming Section Rollers shall be replaced when producing new size of pipe. The rolls open and close on the shaft, manually adjust the quick release and the adjustable mats, the lifting 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, the lifting of the upper rolls. The rolls open and close on the shaft or roll seat. Electric adjust the space between rolls which is  controlled by screw. Computer adjust 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 Rrecision, High Steel Grade and Thick Wall Pipe Good Better Best Best
Accuracy of Pipe High High Higher Higher
Labour Intensity High High Low Very low
Time for Replacing Rolls Long Short Short Shortest
Online Adjustment Normal Normal Good Good

  

Model Round pipe
mm
Square pipe
mm
Thickness
mm
Working spead
m/min
ERW114 Ф48-Ф114 40x40-90x90 1.5-4.5 65
ERW140 Ф60-Ф140 50x50-110x110 2.0-5.0 60
ERW165 Ф76-Ф165 60x60-130x130 2.0-6.0 50
ERW219 Ф89-Ф219 70x70-170x170 2.0-8.0 50
ERW273 Ф114-Ф273 90x90-210x210 3.0-10.0 45
ERW325 Ф140-Ф325 110x110-250x250 4.0-12.7 40
ERW377 Ф165-Ф377 130x130-280x280 4.0-14.0 35
ERW406 Ф219-Ф406 170x170-330x330 6.0-16.0 30
ERW508 Ф273-Ф508 210x210-400x400 6.0-18.0 25
ERW660 Ф325-Ф660 250x250-500x500 6.0-20.0 20
ERW720 Ф355-Ф720 300x300-600x600 6.0-22.0 20

 


Payment Terms:TT/LC

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ZTF Forming Process 1
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Send Inquiry to this Member

Shijiazhuang Zhongtai Pipe Technology Development Co.,Ltd

Room 1304 Kaiyuan Building, No.322 East Zhongshan Road, Shijiazhuang,China

Phone:
86-311-85956158
Fax:
Contact:
Kathleen (Sales Manager)
Mobile:
15931058620

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