Water Supply and Drainage Association of Sichuan Province: In order to promote the water saving and drainage work in the western region and promote the construction of municipalities in the west, the Sichuan Urban Water Supply and Drainage Association will participate in the “2014 Chengdu 10th China International Water Supply and Drainage Water Treatment Technology Exhibitionâ€. (CDWF2014), the association will be deeply involved in the organization of CDMF 2014 exhibition visits and related forum activities. The CDWF2014 is scheduled to be held on March 13-15, 2014 at the New International Convention and Exhibition Center in Chengdu Century City. The relevant companies and personnel are welcome to visit the exhibition. On-site, sharing the Western industry event.
As an authoritative professional association in the water industry in Sichuan, it has a very good influence in the fields of Sichuan municipal engineering construction, water supply and drainage. The Sichuan Water Supply and Drainage Association under the Water Supply and Drainage Association has a drainage professional committee and equipment management professional committee that is responsible for investigating the technical conditions of the drainage and sewage treatment, water supply and drainage enterprises in Sichuan Province, and assisting the government's drainage authority in industrial guidance, management, and supervision. To disseminate domestic and international drainage and wastewater treatment technologies and management experience.
The Chengdu Water Supply and Drainage Water Treatment Equipment Exhibition (CDWF) has successfully held nine sessions in Chengdu. The 2013 exhibition was held on April 9-11, 2013 at the Chengdu New Exhibition Center with an exhibition area of ​​nearly 12,000 square meters. 15 353 person-times, professional visitors mainly involved in Sichuan Province and Chengdu City related to environmental protection, water, petroleum, chemicals, pharmaceuticals, paper, food, surface engineering, municipal construction and other related industries, government agencies, industry associations, research and design agencies responsible person and other related The industry is hailed by the industry as the largest and most dynamic water treatment industry exhibition in the Midwest, and friends from all walks of life are welcome to sign up for the exhibition! (For details, please contact the official website of the exhibition:)
What is CNC Turning
In CNC turning, a chuck (or specialized clamp) holds bars of material and, as they are rotated, a tool is fed to the piece to remove material to create a specific shape. A turret, which holds a group of tools, is programmed to move along the work piece in three different axes of motion to shape the material according to the assigned specifications.
Since CNC turning involves removing material from a work piece, it`s considered a [subtraction machining" process. It is done on a lathe machine, which can be used on all types of material, from wood to metal to plastic. It can also be done on a mill or a drill press.
Turning is primarily used to create cylindrical parts. It can be completed on the outside or the inside of a work piece, which is known as boring. The process can also be used to conduct various other operations, including:
· Grooving: Cuts grooves or creates narrow cavities in work pieces.
· Taper turning: Creates a gradually decreasing diameter in a cylindrical shape.
· Drilling: Produces round holes, which are typically for screws and bolts.
· Facing: Cuts a flat surface perpendicular to the axes of the milling cutter.
· Parting: Separates one part of the work piece from another.
· Knurling: Creates vertical, horizontal or crossing lines on the work piece.
· Threading: Makes grooves that can be screwed into other objects.
CNC Turning process
l Creating a digital representation of the part in CAD
l Creating the machining code from the CAD files
l CNC lathe setup
l Manufacturing of the turned parts
Capabilities
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Typical |
Feasible |
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Shapes: |
Thin-walled: Cylindrical |
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Part size: |
Diameter: 0.02 - 80 in |
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Materials: |
Metals |
Ceramics |
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Surface finish - Ra: |
16 - 125 μin |
2 - 250 μin |
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Tolerance: |
± 0.001 in. |
± 0.0002 in. |
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Max wall thickness: |
0.02 - 2.5 in. |
0.02 - 80 in. |
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Quantity: |
1 - 1000 |
1 - 1000000 |
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Advantages: |
All materials compatible |
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Disadvantages: |
Limited to rotational parts |
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Applications: |
Machine components, shafts, engine components |
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Suitable Materials for Turning
In turning, the raw form of the material is a piece of stock from which the workpieces are cut. This stock is available in a variety of shapes such as solid cylindrical bars and hollow tubes. Custom extrusions or existing parts such as castings or forgings are also sometimes used.
Turning can be performed on a variety of materials, including most metals and plastics. Common materials that are used in turning include the following:
l Aluminum
l Brass
l Magnesium
l Nickel
l Steel
l Thermoset plastics
l Titanium
l Zinc
When selecting a material, several factors must be considered, including the cost, strength, resistance to wear, and machinability. The machinability of a material is difficult to quantify, but can be following characteristics:
l Results in a good surface finish
l Promotes long tool life
l Requires low force and power to turn
l Provides easy collection of chips
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