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Be forced extrusion die casting simple body

Cross section corresponds to part of tightening force burning package, which is in the process analysis is very important. If the casting core of a partial package given model is too tight power in the core of the local dynamic model of tight power package (refer to corresponding parts),[link widoczny dla zalogowanych], the failure to take measures, it can not produce a complete, qualified casting, not even normal production . Chess set cast on the set of local package tight force Fz, dynamic simulation of the corresponding parts of the local package tight force F is: When F;> F the difference is small, rectangular opening in the dynamic mode on overflow or to increase given model core leg gradient or reduce the dynamic model of mold core mold release slope so that F> F:, This will ensure the smooth production of subjects to die. 'When F;> F. Big difference, or F is almost equal to zero, the above method can not be resolved, must be a special mold structure. That must be open mold,[link widoczny dla zalogowanych], the casting core from a given model to force prolapse. Pulling rod ramp is the ideal body but a simplified mold structure. Shell castings shown in Figure 1. Selected parting plane of the end of the casting, but casting the right above the hole formed by the core set model, its corresponding position in the moving mold cavity without forming part of the right pieces of poetry tightening force this part of the package are In the fixed mold, if using a special wedge with structural castings for the Park can not be normal extrusion die. To make this part of the mold with movement and prolapse scheduled to die, Li used the oblique rod core pulling the slider inserts the (Mold structure shown in Figure 2) when the opening touch, because of oblique rod 7 and the slider to the right of 1O leave enough space for the oblique angle bar 7 a, solid surface boat casting a shell casing pressure circle 2 Taiwan Chi-mode interference mold 1. Moving platen 2. Dynamic touch inserts s. Putting 4 weeks. Be cross inlay Leica 5. Set the template 6. Fixed mold inserts 7. Gok lever 8. Wedge 9. Slider Nang Leica lO. Right foot bone n. Leica dynamic model set for the opening stroke h,[link widoczny dla zalogowanych],, h = b,[link widoczny dla zalogowanych], snq that is, when the opening stroke is greater than h, the slider 9 inserts only core pulling action. Otherwise there would be no pumping action,[link widoczny dla zalogowanych], use this - use the principles of the slider inserts 9 smoothly. The set h models the size of the core according to the length and slope of the size of the ejection. (see circle 3) Figure 3, a model state from the power of h, with a structure using this lemon to note This structure not configured in the mold at the bottom. 8 large enough, because 6 is the decision of the extrusion mold to cast model of the core of the stroke and set the slider between core pulling action. Only remove mold to 6 pm. slider was a humble core action. 6 larger opening stroke the more husbands, refined block model of the casting core force distance emerge given the longer stay in the moving die castings can be on the clamor of the more days. stayed straw core pulling into a special purpose bodies have been more beads of production practice, proved to be very simple and reliable. Geun-98 with the total industrial 1989.No.4

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