• May 06, 2022

The core-making method in which the sand core is rapidly hardened in the core box by blowing air at room temperature is called the cold core box method. The core-making method in which the sand core is rapidly hardened in the core box by blowing air at room temperature is called the cold core box method. Cold core box method includes: blowing amine cold core box method, SO2 cold core box method, a...

• May 23, 2022

Conveyor, also known as conveyor, is suitable for horizontal conveying, inclined conveying, vertical conveying and other forms of granular or powdery materials. The conveying distance varies according to different models, generally from 2 meters to 70 meters. conveying principle The rotating screw blade pushes the material for conveying by the screw conveyor. The force that keeps the material from...

• June 06, 2022

The pressure tester is an instrument used for pressure resistance, pressure holding test and vacuum holding pressure test with helium and nitrogen as the test medium. production workshop. Introduction Pressure tester: In the production process of air-conditioning units and fin heat exchangers, it is necessary to test the sealing performance and pressure resistance of products. Generally, the readi...

• June 13, 2022

PVC ball valve is mainly used to cut off or connect the medium in the pipeline, and can also be used for fluid regulation and control. Compared with other valves, it has the following advantages. 1. The fluid resistance is small. The ball valve has the smallest fluid resistance among all valves. Even the reduced diameter ball valve has a relatively small fluid resistance. The UPVC ball valve is a ...

• September 06, 2022

The slotting machine is mainly used for asphalt and cement pavement repair, drainage water pipes, gas pipes, electric wire pipes and optical cable pipes. The pavement is quickly cut into uniform grooves by the roulette saw to form new joint surfaces. Optimize the contact level between the filling material and the slot, and strengthen the tightness of the bonding between the filling material and th...

• September 19, 2022

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...

• October 08, 2022

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 ...

• November 21, 2022

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...