warp knitting machine aluminum 21 inch bobbin-21"X21"
1.Name:bobbin, 2.Material:pure aluminum A00 with metal elements, 3.Usage:warp knitting machine warp beam, 4.Weight:32kgs - details see: https://www.machineto.com/warp-knitting-machine-aluminum-21-inch-bobbin-21-x21-10271625
| Place of Origin:Zhejiang China (Mainland) | Brand Name:Chengxin | Model Number:J-006C | Use:Knitting Machinery |
| Type:Bobbin | Item 1:aluminum bobbin | Item 2:21 inch aluminum bobbin | Item 3:warp 21 inch aluminum bobbin |
| Weight:32 kgs warp bobbin |

Product: aluminum bobbin
Model: J-006C
Description:
1.Material:
Flange: pure aluminum A00 added with some metal elements and manufactured by casting, has excellent rigidity and durability.
Barrel : pure aluminum A00 added with some metal elements and manufactured by centrifugal casting, has high strength and precision.
2.Welding : Welded by automatic Argon welding machine, has good precision and strength;
3.Usage:warp knitting machine 21 inch flang warp beam;
4.Warranty:2 years
Measurement:
| ITEM | D*E(mm) | B (mm) | d(mm) | L(mm) | T(mm) | W(mm | b(mm) |
| 535*470 | Φ200 | 153 | 540 | 35 | 20 | 161 | |
| ITEM | Weight (kg) | Tensile strength | Yield strength | Process | |||
| 38 | (Actual value) MPa | (Actual value)MPa | Casting | ||||
| 326 | 275 | ||||||
| ITEM | Hardness(Hb) | Elongation(%) | Alloy and temper | 20GP-FCL QTY | |||
| (Actual value) | (Actual value) | A00-6160 | 280 pcs | ||||
| 140-145 | 3% | ||||||
Production room:

| Packaging Detail:standard export package |
| Delivery Detail:one week after down payment |

