I. Overview:? The waterborne PVC strong veneer quick-drying adhesive developed by Beijing Huaxia Keyuan Technology Development Center (more projects are available at http:// ) is an improved product of ethylene-vinyl acetate copolymer emulsion, with excellent adhesion, suitable for a variety of Substrate original bond, such as paper, PVC film, non-woven fabric, PVC plate, foam, polyester fiber, etc., has more heat-sealable adhesive ability, and its use is extremely wide. ? Second, use:? (1) Water-based PVC strong veneer quick-drying adhesive has high efficiency and long-lasting bonding strength and excellent adhesion to fiberboard, wood, gypsum board and PVC skin, ABS and aluminum foil. The product has excellent water resistance, heat resistance, frost resistance, high stability, easy to use and easy to construct. It is widely used in the bonding between fiberboard, wood board, gypsum board and PVC, aluminum foil and foam. Such as large plates, paint-free lines, paint-free doors, plaster ceilings, computer tables, crafts, luggage and other manufacturers must-have products. ? (2) Water-based PVC strong veneer quick-drying glue has excellent compatibility with various fillers, pigments, resins, aromatic hydrocarbons and ester solvents. ? (3) The water-based PVC strong veneer quick-drying glue is good for the stability of mixing of various emulsions. If it is necessary to reduce the cost or use it for special purposes, it can be added and used as appropriate. ? Third, the basic parameters:
Fourth, production conditions and costs:? 1. The production of this product requires a workshop of 50-80m2, one stirrer, 2-6 workers with junior high school education, and general measuring instruments. If the daily output is 2 tons, the equipment investment will be 5,000 yuan. ? 2, normal temperature and pressure production, production cycle of 3 hours. ? 3, the cost of 4,500 yuan to 5,000 yuan / ton, the market price of 9,000 to 12,000 yuan / ton. ? Fifth, technical services: ? 1, to provide a full set of recipes for the production side, process information, on-site training, learning so far. ? 2. The project's technology transfer training fee is 16,000 yuan. Can also come to build factories. |
The UCF pillow block mounted bearing series has four bolt holes, and a set screw lock is designed for mounting onto bearing surfaces parallel to the shaft axis, such as conveyor belts. This ready-to-mount unit has solid base cast iron housing, chrome steel bearings, and is designed for efficient operation at a wide range of speeds. This one-piece pillow block housing allows for a stationary outer ring and rotating inner ring. Insert bearing maintains the separation between moving parts to reduce rotational friction, and to support radial and axial loads. The bearing is secured to the shaft with set screws to prevent slippage. This mounted bearing is used in food and beverage manufacturing, textile industry and many other industrial manufacturing.
Pillow blocks are usually referred to the housings which have a bearing fitted into them & thus the user need not purchase the bearings separately. Pillow blocks are usually mounted in cleaner environments & generally are meant for lesser loads of general industry. These differ from "plummer blocks" which are bearing housings supplied without any bearings & are usually meant for higher load ratings & corrosive industrial environments. However the terms pillow-block & plummer-block are used interchangeably in certain parts of the world.
However fundamental application of both types is the same which is to primarily mount bearings safely enabling their outer ring to be stationary while allowing rotation of the inner ring. The housing is bolted to a foundation through the holes in the base. Bearing housings are either split type or unsplit type. Split type housings are usually two piece housings where the cap and base can be detached. While certain series are one single piece housings. Various seals are provided to prevent dust and other contaminants from entering the housing. Thus the housing provides a clean environment for the expensive bearings to freely rotate hence increasing their performance and duty cycle.
Bearing housings are usually made of grey cast iron. However various different grades of metals can be used to manufacture the same.
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Shijiazhuang Longshu Mechanical & Electrical Equipment Trading Co., Ltd. , https://www.longsbearing.com