Wang Jingwen

TL;DR: In this article, a cutting fluid containing waste engine oil is presented, which has excellent antirust performances, contains no substances of sodium salt, phenol, chlorinated paraffin, mineral oil and the like, has no damage to human body, and is a environmentally friendly and green product.

TL;DR: In this paper, a multifunctional extreme-pressure anti-wear cutting fluid is prepared form the following raw materials: by weight, 1-2 parts of diethanolamine, 3-4 parts of boric acid ester, 2-3 parts of Borax, 4-5 parts of sebacic acid, 1 2 parts of petroleum sodium sulfonate, 2 3 parts of molybdenum disulfide, 2 2 3 part of methylparaben, 1 1/3 part of sodium metaborate, 0.8-1

TL;DR: In this paper, an industrial powder metallurgy tool is described, which is characterized by being made of the following raw materials in parts by weight: 12-13 parts of titanium carbide, 30-32 parts of tool steel powder, 2-3 parts of tantalum carbide and 9-10 parts of tungsten carbide.

TL;DR: In this paper, a composite centrifugal casting method of a sealing ring was proposed, in which the outer layer of the sealing ring has excellent wearing resistance and rigidity; the material comprehensive utilization rate of the outer side, the middle and the core part of the sealed ring is improved by more than 10 percent; the service life is prolonged by 30 percent in comparison with the static casting process; metal feeding effect is good; the outer-layer tissue of the casting is compact.

TL;DR: In this paper, a waterproof lightweight partition plate is described by being prepared from the following raw materials by weight: 20 to 25 parts of cement, 17 to 19 parts of metakaolin, 11 to 15 parts of steel wire type steel fiber, 6 to 8 parts of naphthalene water reducer, 3 to 7 parts of a UEA-H type expanding agent, 7 to 9 parts of paraffin oil, 9 to 11 parts of nanometer zinc oxide, 13 to 17 parts of vermiculite, 15 to 18 parts of meerschaum