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Ball lock cylinder forming process and die pull

Drum loop 1 aid mold industry in 1991. No. 11 of the total 1291 allocation of part process tube is a metal forming parts, which is characterized by complex shape, which is U-shaped and V-bending group pieces of Taiwan, and the curved area is the circular line, which non-linear in general 1.68. . . . Is that connected by two curved tops into semicircle (U-shaped), and then bent lugs opposite direction (V-shaped),[link widoczny dla zalogowanych], while the two semi-circular table at the non-Mi then there is a gap, the workpiece should be rounded. As the product complex, high performance requirements, the program requires stamping process and die structure designed thread in order to achieve the requirements for parts 2 and determine the process plan analysis and comparison of the past,[link widoczny dla zalogowanych], we used the program in Figure 2, with 6 stamping process, the process is. Punching, forming a half pigsty, then sets the two semi-circular bend, bend lugs, MG hole. Qingsusuxue tbj. , III earned 【CJ circle blanking Huang b 2a-c for a semi-circular shape of a punch or two semi-circular curved bonding d e f bend over the pages of a lug hole defects using this program has the following t (1) semi-circular shape due process when Figure 2c is not formed for the size of 1gram at the arc, so at the semi-circular shape and no shape (size 19 single-out), Office of generating a tendon, the workpiece to increase local flexibility, so that the next process when bonding the two semi-circular bend,[link widoczny dla zalogowanych], resulting in elastic recovery the workpiece joints (n) strict raw gap. (2) process for bonding the two semi-circular curved lugs bent in the prior arrangement, lugs bending process when completed, the joints of the gap will further increase. (3) The two semi-circular bending process is completed, cylinder height allocated $ 1mm, so after feeding and discharging process more difficult, low production efficiency. To overcome these shortcomings, improve product quality and production efficiency, several programs in the selected program as shown in Figure 3. Complete the stamping process with a 5, the process is: punching, bending lugs, semi-circular shape, curved semi-circular hole and turned joints. The program has the following characteristics: (1) first bending the lugs, the lugs to avoid in the past due to bending caused by the junction of two semi-circular gap by asking. Large, while the production of feed and discharge when convenient. Yichang (2) The overall arc shape, to avoid the workpiece bending bars. Bonding process for the next bend lay a solid foundation. ( Cool

core hole Yuan two semi-circular curved composite bonding together the two processes, the compression of a process to improve productivity and reduce production costs. (4) In order to overcome the bonding of two semi-circular curved plastic deformation, along with the elastic deformation caused by the junction between the mole produced in the punch out of the height of the folding of 0. 4mm, W J Colombian drug Crane Union analogy jl (CJlII} Once I'L twenty-one J-L.f-- cj ... ~ Phoenix 3a punching a blanking b a c a lug bent d - e doubled semi Qi-shaped hole and two semi-bent then sets a pigsty ... a ~ a ------------------- a - a total of 129 children die of industrial 1991.No. sauce 1 to 0.7ram the boss of a part, as shown in Figure 4 shows, the bending of the workpiece when the boss at the bending angle correction, in order to overcome the elastic recovery. (5) then sets the two semi-circular arrangement in the final process, to avoid the influence of other process units at the Yun received the quality of parts. sleepy 4, 3 punch of two semi-circular curve turning milk Nang Connects to die thread die structure shown in Figure 6 piece structure to the Q 4,5.2 mnl hole for the positioning process. When press slider down, the punch and die 1O first touch with the concave completion of the two semi-circular curved junction 8, press the slider continues to decline, punch and punch 7 1O work, the workpiece to complete turn hole,[link widoczny dla zalogowanych], fall to the next slide when the press dead point, punch and die and the workpiece and the discharge lO 9 block synthesis rigid contact, punch and die iO's boss at the workpiece bending angle correction, {; l inhibition of elastic recovery. punch up the slider, the first discharge block 9 in the mold under the action of elastic unloading device families, the concave top of the workpiece Die prince Yu 51. rubber boats plate 2. rafters ships 3. Lo skewer 4. Xinjiang skewer s.1 deer than 6. convexity Cou pull delineated. punch 8. Au Rang 9. angle} Debate On lO. convex cross II. play Branch stick in l2. Bump Cou fixed Xinjiang 13. Column KE 8; punch slider continues to rise, beat u in the press material rigid rod under the effect of unloading equipment, punch and the workpiece touch launched to complete the entire work process after one million products production, the improved process and mold the program to ensure that the technical requirements of products, improve production efficiency and reduce the cost of production has not been found so far and convex punch and die broken and so touching. small pins forming process and die, , -, Xi'an Instrument Factory Shien Juan arrangements cold red part of the process is not only the structure of j Shu mold design,[link widoczny dla zalogowanych], part of the production methods and ensure the accuracy of parts of the county industrial 1991.No.11 model 129 requires a very great significance to shame. prince Yu I sell to the material shown QSn65 - 0.1, the Xingzhuang Si grain size, 41

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