New technology to promote the development of mold manufacturing

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2017-11-24

1. High-speed cutting machine applications

High-speed mold manufacturing cutting machine with high-speed, intelligent and precision advantages: high speed spindle machine, table moving speed. The main spindle structure, the maximum spindle speed is significantly higher than the mechanical structure. Such as a model of cross-track high-speed five-axis gantry machining center, the spindle speed up to 42 000 r / min, table rapid moving speed of 42 m / min. The X / Y axis is driven by a linear motor, which offers the following advantages over traditional ball screw drives: direct drive, high path accuracy and no backlash. The bed adopts Crane structure, all the axial moving parts are moved above the column, and the workpiece is fixed on the working table so that the quality of the workpiece does not affect the mechanical processing performance.

The intelligent thermal compensation system can perform real-time dynamic compensation without the need for the operator For a long time or until the machine reaches a state of thermal stability began to process, but the start can be a direct start of precision milling, the machine automatically on the tool center point thermal displacement compensation, improve the accuracy of the workpiece, and enhance the processing Stability; integrated bed structure design, enhance the overall rigidity of the organization to ensure the accuracy and stability of mechanical performance.
Our company uses 3R rapid positioning clamping system to ensure that the positioning accuracy of the workpiece tooling is 2μm, and control the cumulative error from the source, meanwhile greatly reducing machine downtime and worker\'s labor intensity, so that the equipment utilization rate reaches the highest point. All workpieces and electrodes are installed outside the machine to form out-of-machine measurement offset values. Pre-programmed to achieve flexibility, automation and standardization of the entire mold machining process from EDC to EDM.

The application of high-speed machine tools and precision tooling systems offers unparalleled advantages over high-speed machining in comparison with conventional milling: rapid removal of large amounts of excess material during roughing and high surface finish during finishing , Reducing the time for subsequent polishing. Such as with φ 10mm ball milling cutter, milling distance of 0.2mm walk, the theoretical residual height of the workpiece surface is only 0.001mm. For some stamping die does not require polishing, you can directly debug. Applications High-speed machining simplifies the machining process, saves part of the cost, and does not cause surface hardening due to electrical machining. High-speed machining with very small feed rates and depth of cuts for high-quality machined surfaces allows for smaller fillets and mold manufacturing to be machined with smaller diameter tools, sometimes eliminating the need for fitter polishing operations and preventing Human factors on the accuracy of the destruction of the mold.

2. CAD / CAM / CAE technology applications

CAD / CAM / CAE technology combines product design, mold design, mold manufacturing and data analysis, greatly improving the design quality of mold products, shortening the mold design and manufacturing cycle, reducing the product cost, and improving the mold development level and competition Force is of great importance.

Our company adopts the development process of synchronous product development, synchronous structure design, synchronous mold manufacturing and synchronous production process. The process of mold development is as follows: Product 3D CAD Design → CAE Analysis (see Figure 1) → DL 3D Design → 3D Mold Design → Mold CAM CNC machining (see Figure 2) → three-dimensional coordinate detection of molds and parts → commissioning of qualified samples (see Figure 3). Such as injection molding products Moldflow flow analysis software, select the best product into the plastic position, can quickly fill the cavity. Analysis of product warpage, weld marks, porosity and stress marks, thereby reducing the maintenance of open mold.

Using Catia V5R20, CimatronE11, UG NX8.0, PowerMill, Moldflow and Nastran professional CAD / CAM / CAE tools, our company has complete design experience such as cover, bumper (see Figure 4) and complicated functions solution.

3 process database set up

Mature experience into the process database, such as the forming surface of the unequal gap everywhere, the calendering model surface expansion and press deformation caused by the gap compensation, etc. These compensations in the CNC machining ahead of time out by CAE forming analysis, the test Mold results and all parts of the compensation processing data, summed up the formation of forming mold process database, reduce the workload of the mold debugging, improve mold manufacturing efficiency.

4. Injection mold ejection test machine application

Molding of injection mold ejection mechanism: Mold ejection testing machine can fully simulate the mold in the injection mold manufacturing movement process, dynamic, cold research more than 50000, the mold ejection and sliding smooth, smooth and efficient to improve the mold Production efficiency and product quality, extend die life, reduce mold and injection molding machine run-in costs, shorten the mold making cycle, the mold production get better security.

Increasingly large Plastic Injection parts directly lead to the mold must be large-scale The total volume of polymer injection exported to the United States soared 83.55%

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New technology to promote the development of mold manufacturing

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New technology to promote the development of mold manufacturing

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