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Zhangjiagang Hengli Machinery Co.,Ltd

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LD20 Three-Roller Cold Pilger Mill

Introduction

The features of LD20 three-roller cold pilger mill :

1. The main conveying system is with V belt which can make sure equal force , creditable and stable function .

2. The precision of steel pipe is high enough to be manufactured thin-wall pipe with three-roller .
3. The rolling mill adopts edge feeding way removing the mandrel comparing to the side feeding . The exact location of mandrel on the deformation zone and short rolling line not only suit for rolling long tube billet but also improve the roller’s efficiency .
4. It is convenient to change and maintain the roller.
5. Monofilament thread rod feeding way is stable and which is assisted by the top tray rotation .
6. The Mairtai type rotary feeding way is precise , stable and reliable .

Parameter

№	Name	Number	Unit
1	Shell OD	10-22	mm
2	Shell WT	0.5-2	mm
3	Max Shell Length	4	m
4	Finished Tube OD	8-20	mm
5	Finished Tube WT	0.3-1.5	mm
6	Max length Finished Tube	8	m
7	Rolling speed	60-120	Times/min
8	Stroke length	415	mm
9	Feeding length	1.65-7.1	mm
10	Turning angle(degree)	52 °
11	Form of feeding and turning	Martensite
12	Way of feeding and turning	Single rotating and single feeding
13	Diameter of roll	54,70	mm
14	Length of connecting rod	1300	mm
15	错距	275	mm
16	Power of main motor	22	Kw
17	Feeding way	Feeding after stopping
18	Dimension(Lx Wx H)	20x2x1	m

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