There are 4 types of fire sprinklers: pendant sprinklers, upright sprinklers, ordinary sprinklers, and sidewall sprinklers. Among them, the pendant nozzle is the most widely used one. 1. Pendent nozzle The pendant type sprinkler is the most widely used type of sprinkler. It is installed on the water supply branch pipe. The shape of the sprinkler is parabolic, and 80-100% of the total water is spra...
Production of faucets Copper ingots→dissolving→casting (low-grade sand casting, high-quality faucet gravity casting)→post-casting cleaning→casting inspection→machining→tolerance inspection→grinding→surface inspection→electroplating→plating inspection→assembly→pressure test→ Finished product inspection → packaging → delivery. Casting: low-grade castings are cast by sand casting, high-quality faucet...
The rewinding machine is the fastest machine in papermaking machinery. Its speed is 1500 ~ 1800m/min, and the highest speed is over 3000m/min. So how does it work? What are the requirements for the craft? Rewinding machine according to the different properties of the paper can be divided into: shaft winding machine and non-shaft winding machine; According to the different transmission mode can be ...
The wire drawing machine is also called the woven bag wire drawing machine. The drawing machine of the woven bag is as follows: 2. The process of plastic woven bag production line is generally: PP, PE material or recycled material → drying mixer → wire drawing machine → winder → circular loom → bag cutting machine → sewing machine → printing machine → PP woven bag → baler. 3. Woven bag is a kind o...
Gravity casting refers to a process in which molten metal is injected into a mold under the action of the earth's gravity, also known as gravity casting. The generalized gravity casting includes sand casting, metal casting, investment casting, lost foam casting, mud casting, etc.; the narrow gravity casting mainly refers to metal casting. 1. There are many process methods for making metal material...
The production process of continuously casting high-temperature molten steel into a billet with a certain cross-sectional shape and a certain size specification is called continuous steel casting. The equipment required to complete this process is called continuous casting equipment. The electromechanical and hydraulic integration of steel pouring equipment, continuous casting machine body equipme...
Drilling machine is a general term for machinery and equipment that uses a tool that is harder and sharper than the target to leave a cylindrical hole or hole on the target by means of rotary cutting or rotary extrusion. Also known as drilling rigs, punching machines, drilling machines, through-hole machines, etc. The desired effect is achieved by drilling precision parts. Drilling machines includ...
A lapping machine is a grinding machine that grinds the surface of a workpiece with a grinding tool coated or embedded with abrasives. It is mainly used for grinding high-precision planes, inner and outer cylindrical surfaces, conical surfaces, spherical surfaces, threaded surfaces and other profiles in the workpiece. The main types of grinders are disc grinders, shaft grinders and various special...
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