Zhijing Precision Machinery (Shanghai) Co., Ltd.
Zhijing Precision Machinery (Shanghai) Co., Ltd. Good quality, reliable blades and knives supplier Knives, formers, seal jaws, blades
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Hydraulic guillotine shearing machine blades Paper Cutter Shear Blade
Zhijing Precision Machinery (Shanghai) Co., Ltd. is manufacturing all kinds of industrial blades, knives,
seal jaw sets, bag forming sets and accessories, that are used in packaging industry, paper industry, plastic industry,
steel industry, food industry, medical industry, tobacco industry and other industrial usages.
These parts are produced according to drawings, product samples or specially developed by our engineers. Due to
the use of high quality materials and good workmanship, we are able to realize major lifetime improvements and reduce
machine downtime for our customers.
In addition, our products have short delivery times with high reliability. Off-the-shelf or customized products are available
from us with the highest quality in China. In many cases we surpass the quality, delivery time and lifespan expectations
of our customers
| 1. Blanking | Selecting material according the customers' request. |
| 2. Forging | Increasing the density of the material. |
| 3. Tempering | Lowering temperature for processing. |
| 4. Finishing machining | Making the material shaped |
| 5. Inspection | Checking the products if they are the same as the drawing. |
| 6. Hardening | Increasing the hardness of products and the material. |
| 7. Annealing | To incrase abrasion resistance, need to anneal thermal insulation for long time. |
| 8. Hardening and tempering | Hardening and tempering the parallel of products for processing. |
| 9. Coarse grinding | Coarse grinding the surface of products to be shaped. |
| 10. Accurate grinding | Supergrinding to incrase the precision and the parallel of products. |
| 11. Testing | Refusing the unqualified products into the market. |
| 12. Packaging | Different products, different packaging |
| High quality guillotine paper cutter blade cutting paper knives | ||
| Material option | Hardness | Working life compare |
| Tungsten Carbide (TCT) | hardness 90.5 | 15 time longer than SS |
| High Speed Steel (HSS) | hardness 64-66 | 3-5 times longer than SS |
| Standard Steel (SS) | hardness 60-62 | 1 unit |