The Power of Large-Scale CNC Machining: Capabilities and Challenges | Yumei

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The Power of Large-Scale CNC Machining: Capabilities and Challenges

Large-Scale CNC Machining

What is large CNC machining?

Large CNC machining refers to the process of using computer numerical control (CNC) machines to manufacture large size and weight parts and components. These machines are capable of handling workpieces of significant size and weight and are commonly used in industries that require large precision components.

This kind of processing solves the problems of variable parts variety, ‌ small batch, ‌ complex shape, ‌ high precision, ‌ to achieve high efficiency and automatic processing. ‌ large nc machining is mainly used in large, ‌ oversize parts processing, ‌ in the service of national defense, ‌, ‌ of aeronautics and astronautics, shipping, ‌, ‌, ‌, transportation, energy, metallurgy, ‌ engineering machinery and other major industrial pillar industries. The equipment ‌ includes large CNC vertical lathes and large CNC horizontal lathes. They can automatically complete the processing of outer cylinder, ‌ conical surface, ‌ spherical surface and thread, ‌ can also process some complex rotary surface and curved surface.

The importance of large numerical control machining

Large CNC machining can not be ignored in modern manufacturing industry. They provide high-precision, high-efficiency and highly flexible production tools, modular design makes maintenance and maintenance work easy and convenient, effectively reduce the operating costs of enterprises, help promote the development of manufacturing, improve product quality, and promote innovation. This is essential to remain competitive and meet market demand.

Introduce Yumei large-scale CNC machinery in detail

Yumei is also engaged in large-scale manufacturing and processing of large castings, and our precision machine shop has several CNC machines. These include vertical, horizontal, 3, 4, and 5-axis precision machining equipment to ensure your machining needs for accuracy, precision, and on-time delivery are met

Large numerical control machining and technical specifications

•  The production tasks of each CNC employee must be obtained from the person in charge of the process, and it is strictly prohibited to undertake production tasks with other department personnel without permission.

•  After the CNC machine tool is restarted in the shutdown state, it is necessary to make the machine return to the zero coordinate system of the machine. If the machine is mounted with a workpiece, check in advance to check whether the return to zero path will interfere with the spindle and other obstacles, so as not to damage the machine and the workpiece.

Preparation before processing

•  Undertake production tasks: After receiving the production task, the operator calls 3D graphics from the specified file path, carefully reads the drawings, makes clear the meaning of the three-dimensional shape and related dimensions of the parts, defines the establishment of the processing coordinate system and the clamping direction of the workpiece, and precisely writes the processing program.

• Tool preparation: Prepare the tool quickly and accurately according to the tool specifications listed in the machining program. For finishing, especially contour finishing, must use the tool that meets the requirements, in addition, it is necessary to fully consider the processing parts may cause easy damage to the tool, and grasp the entire processing process.

• Select and check the incoming materials of the workpiece: First, select and check the incoming materials of the workpiece according to the size of the design spare materials in the drawing in order to determine whether to continue working.

• Workpiece clamping:
(1) According to the size of the workpiece and the process hole used, select the appropriate fixture;
(2) Carefully remove the burrs and debris of the workpiece, clean it up with rags and filing knives
(3) Select the appropriate tools to safely fix the workpiece on the fixture;
(4) Clean up the machine table and fixture, and fix the locked workpiece and fixture to the machine table carefully and correctly according to the processing coordinates required by the processing program.
(5) If you do not use a special fixture to fix the workpiece, you need to use the calibration table to correct the workpiece, and fix the calibration table correctly and stably to the machine tool according to the workpiece calibration front

Specifications and performance of each machine

cnc vertical lathe:

X-axis travel 1 050mm Distance from spindle end face to center of table 130-1030mm
Y-axis travel 750mm Distance from spindle center to work surface 120-870mm
Z-axis travel 900mm Spindle speed 20-6000Rpm
Table indexing 130-1030mm Disk cutter library  type 24 Tools 
Cutting feed speed 10-6000mm/min Table area 630x700mm

The application of large numerical control machining in different industries

Automobile manufacturing: large-scale CNC machining is widely used in automobile manufacturing, such as processing engine, transmission, chassis and body parts, as well as assembly and other processing, to ensure the performance and safety of automobiles.

Aerospace: The application of large-scale CNC machining in the aerospace field mainly involves the manufacturing and processing of complex parts such as aircraft structural parts, engines, rockets and missiles. Large-scale CNC machine tools can provide high-precision, ‌ and high-efficiency processing solutions ‌.

Ship manufacturing: The application of large-scale CNC machining in the field of ship manufacturing mainly involves the manufacture and processing of complex parts such as hull, crankshaft and propeller.

Energy source: The application of large-scale CNC machining in the field of energy mainly involves the manufacturing of heavy machinery and the precision processing of structural parts in the fields of nuclear power, wind power, solar energy, etc., to ensure the performance and safety of equipment.

Rail transit: The application of large-scale CNC machining in the field of rail transit mainly involves the manufacturing and processing of precision electronic equipment shell, heat sink customization and structural parts of rail vehicles such as high-speed trains and subway vehicles.

Solves the logistical and technical challenges of large-scale processing

Yumei adopts professional and high-level optimization strategies

  • Optimize supplier management: Select reliable suppliers and establish long-term cooperative relationships with them to ensure a stable supply of raw materials. At the same time, it is necessary to regularly evaluate the performance of suppliers and timely adjust the cooperation strategy.
  • Strengthen material management: Establish a sound material management system to ensure that the quantity and quality of materials meet the requirements. Adopt advanced warehousing and logistics technologies, such as the Internet of Things, RFID, etc., to achieve real-time tracking and management of material information.
  • Improve transportation efficiency: Select reliable logistics service providers, optimize transportation routes and methods, and reduce transportation time and costs. At the same time, it is necessary to pay attention to the transparency of information in the transportation process to ensure that the real-time grasp of cargo dynamics.
  • Introduction of advanced supply chain management software: Through the introduction of supply chain management software, the integration and sharing of supply chain and logistics information can be achieved to improve management efficiency and decision-making level.
  • Strengthen internal communication and collaboration: Establish a good internal communication mechanism to ensure the smooth flow of information between various departments. Strengthen collaboration with suppliers, customers and logistics providers to jointly address supply chain and logistics issues.
  • Continuous improvement and innovation: constantly optimize the supply chain and logistics management process, explore new management models and technical means. At the same time, pay attention to the development trend of the industry and do a good job of coping strategies in advance.

large-scale CNC machining innovation

Improve the intelligence of the CNC system

Numerical control system is an intelligent manufacturing tool based on computer technology, its core lies in numerical control device, compared with traditional processing equipment, numerical control system to achieve integrated, intelligent operation, through high-speed computer and digital controller for accurate control of the processing process.

The CNC system makes it more flexible

The application of numerical control system makes the machining program programmable, which can be flexibly adjusted and optimized according to different machining objects. By replacing the machining tool and adjusting the parameters, the CNC system can quickly realize the change of the processing technology, so as to meet the production needs of different products.

Improve the automation of CNC system

The CNC system can automate the production process by pre-setting machining parameters and automatic detection system. This greatly reduces the error of human intervention and improves production efficiency and production quality.

Yumei’s unique large-scale quality management method

The management of CNC equipment is carried out according to the following procedures

  • Rationally plan the investment and configuration of the equipment.
  • Check, maintain and maintain the equipment regularly.
  • Carry out regular technical status inspection of the equipment.
  • Establish a complete equipment file.
  • Carry out regular technical status inspection of the equipment.
  • For the newly purchased equipment, reasonable planning should be made according to the use requirements of the equipment to ensure the normal use of the equipment.
  • For existing equipment, a detailed equipment use plan should be developed to clarify the time, frequency and place of use of the equipment.
  • Carry out daily inspection, maintenance and repair of the equipment, monitor the operation status of the equipment, and solve the problems in time to ensure the normal operation of the equipment.
  • Carry out regular technical status testing of the equipment to timely understand the technical status and use of the equipment.
  • Establish and improve the equipment files, record and manage the equipment in detail, and ensure that the equipment information is complete and true.
  • Carry out regular evaluation of the use status of the equipment, and make necessary improvement and perfection of the equipment according to the evaluation results.
  • The production department should continuously optimize the equipment configuration according to the equipment management situation, improve the equipment utilization rate and production efficiency.

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