1. Two-Roller Cold Pilger Mill (LG series)
Features: seamless tube two-Roller Cold Pilger Mill (LG series)-- with large reduction,mainly used for rolling mother tube
1. The main conveying system is with V belt which can make sure equal force , creditable and stable function .
2. The adoption of ring groove roller is to realize long term rolling . Big rotation angle of roller , longer ring type working stage and increased length of deformation zone lead to the uniformity of metal deformation during the rolling . At the same time , it can increase feeding volume and improve the quality of the final processed pipe
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. Electric-control feeding and discharging way improve the working efficiency .
5. It is easier to replace the roller and more convenient to maintain based on the open rack .
6. Twin-wire feeding way realize the stable feeding.
7. To tighten with hydraulic mandrel lowers the labor strength .
8. The Mairtai type rotary feeding wau is precise , stable and reliable .
Main models parameters
No | Item | LG-20H | LG-30H | LG-45H | LG-60H | LG-75H | LG-80H |
1 | Shell OD (mm) | φ20～φ42 | φ22～φ51 | φ30～φ75 | φ40～φ83 | φ40～φ102 | φ57～φ140 |
2 | Shell WT (mm) | 1.5～5 | 1.35～6 | 1.35～6 | 2～7 | 2～7 | 2～10 |
3 | Shell Length(m) | 2～5 | 2～6 | 2～6 | 2～6 | 2～6 | 1.5～6 |
4 | Finished Tube OD(mm) | φ10～φ25 | φ15～φ32 | φ20～φ50 | φ30～φ60 | φ30～φ75 | φ40～φ90 |
5 | Finished Tube WT (mm) | 1～4 | 0.4～5 | 0.5～5 | 1～6 | 1～6 | 2～12 |
6 | Finished Tube length (m) | <20 | <15 | <15 | <15 | <15 | <15 |
7 | times of frame working (times/min) | 40～110 | 60～100 | 60～90 | 60～80 | 60～80 | 50～70 |
8 | stroke length (mm) | 523 | 605 | 703 | 723 | 903 | 903.6 |
9 | Feeding quantity (mm) | 1.7～6 | 2～8.3 | 2～10.4 | 2.7～10.3 | 2.7～10.3 | 2.4～10.3 |
10 | Roller diameter (mm) | φ220×φ120×80 | φ250×φ140×100 | φ300×φ150×120 | φ350×φ180×150 | φ375×φ210×180 | φ400×φ205×200 |
11 | Connecting bar length (mm) | 1650 | 1650 | 2000 | 2200 | 2700 | 2800 |
12 | Total speed ratio (i) | 7.5 | 8 | 12 | 12 | 12 | 13.636 |
13 | The type of main motor | 30 | 55 | 75 | 132 | 132 | 160 |
14 | size(length*width*height m) | 22×2×1.3 | 24×2.3×1.8 | 28×2.3×1.8 | 27×5.4×2.6 | 28×3×2.6 | 40×6×3 |
