With the development of facility agriculture, the types and types of crops planted in greenhouses are also increasing and expanding, while some of the fine crops have high requirements for the environment, which also requires a higher level of technical expertise for facility agriculture. The application of greenhouse dolls provides important data support for the control of the greenhouse environment. It is possible to grow more quality crops and promote the refinement of current facilities agriculture.
Taking fresh-cut chrysanthemum planting as an example, a multi-headed chrysanthemum production base in a certain place, a smart greenhouse of more than 6,000 square meters is planted with 13 varieties of freshly cut chrysanthemums such as green anna, pink pingpong, dante, red monet and white neva. The freshly cut chrysanthemum planted here is an export product. After the cultivation is completed, it will be exported to Russia, Japan, the Netherlands and other countries. Therefore, the quality of flowers is extremely demanding and belongs to the fine-greenhouse cultivation crops. In order to ensure the greenhouse environment is in line with these fresh cuts. For the growth of chrysanthemum, managers use intelligent greenhouse dolls to monitor greenhouse environmental parameters, including temperature, humidity, soil temperature and humidity, and illuminance in the greenhouse. Functionally, it is like in a greenhouse of freshly cut chrysanthemums. The stewards, therefore, were also aptly called by the peasants as "greenhouse stewards".
The application of greenhouse dolls in the greenhouse of freshly cut chrysanthemums ensures the refinement of greenhouse environment control, realizes the automatic monitoring of comprehensive ecological information of facility agriculture, and provides an important basis for the automatic control and intelligent management of the environment. Under the meticulous management, fresh cut chrysanthemums, which can only be used for two years in the past year, are now blossoming in all four seasons. The output per mu is also increased from 30,000 to 120,000, and 10 staff are reduced to five. The flowering period can be It lasts 1 month or even longer. This is the great economic benefit brought by the science and technology forces such as greenhouse dolls to the development of modern boutique facilities.
Sheet Metal Fabrication Service
Definition of Sheet Metal Fabrication
Sheet Metal fabrication is the creation of useful metallic parts and structures by the application of multiple fabrication processes. Sheet metal fabrication is basically a broad term that involves various complex processes like cutting, forming, bending, welding, machining, and assembling. The instructions include below: materials, processes, and tools required for sheet metal fabrication.
Types of Sheet Metal Fabrication Materials
The choice of metal depends on the final use of the fabricated parts.
Common fabrication processes:
• Carbon Steel
• Stainless Steel
• Aluminum
• Bronze
• Copper
• Brass
• Aluminized steel
• Galvanized steel
Sheet metal fabrication: Forming or Deformation
Bending: Sheet metal bending is one of the most popular deformation processes. A machine known as a Press brake is used to bend sheet metals into V, U, or other complex shapes. With an increase in gauge thicknesses of sheet metals the force required to bend increases.
Stamping: In the stamping process, a hydraulic or mechanical stamping press equipped with a tool and die is used to perform specific tasks like curling, drawing, embossing, flanging, etc
Hemming: Hemming is a process by which the edges of sheet metal are folded over itself or another piece of sheet metal to create a rounded edge. In the sheet metal fabrication process, two types of hemming processes are widely involved. They are roll hemming and conventional die hemming. Conventional hemming is used for mass production. A hemming roller is used for roll hemming.
Spinning: Spinning is a metal fabrication process where a lathe machine is used to rotate the sheet metal against a tool to produce conical or cylindrical shapes.
Advantages and Disadvantages of Sheet Metal Fabrication
As sheet metal fabrication covers a wide area of techniques and methods, the advantages and limitations will vary depending on the process used during fabrication.
Benefits:
i. Sheet metal fabrication is fast and can produce high-quality components.
i. A large number of processes are available with wide range of materials
ii. High strength to weight ratio for sheet metal fabricated parts.
Disadvantage:
i. Each fabrication process has their own limitations.
ii. High initial cost for set up of equipment and tools.
iii. Requirement of skilled labors for each process.
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