DRAW FORMING APPARATUS FOR OUTER CASE OF VIBRATION-PROOF BUSH
PROBLEM TO BE SOLVED: To prevent occurrence of loud abnormal noise and reduction of durability, by reducing striking impact between a die holder 4 and a pressing block 7 and suppressing loss of accuracy in draw forming, when shortening a draw forming time of a vibration-proof bush B using a comparat...
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| creator | OYAMA SEIICHI |
| description | PROBLEM TO BE SOLVED: To prevent occurrence of loud abnormal noise and reduction of durability, by reducing striking impact between a die holder 4 and a pressing block 7 and suppressing loss of accuracy in draw forming, when shortening a draw forming time of a vibration-proof bush B using a comparatively economical mechanical press such as a crank press. SOLUTION: The apparatus is composed by: installing a surface plate 10 on a bolster 2 of the crank press 1; arranging a die 3 and a die holder 4 on it; and having the pressing block 7 of a slide 6 strike and press the die holder 4 from upper side. The die holder 4 is guided only to move vertically by guide rods 13 and urged upward by a coil spring 1. Die pieces 30 of the die 3 are guided only to move radially by guiding grooves 10b on the surface plate 10 and urged outward by ring springs 34 made of urethane. COPYRIGHT: (C)2008,JPO&INPIT |
| format | Patent |
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SOLUTION: The apparatus is composed by: installing a surface plate 10 on a bolster 2 of the crank press 1; arranging a die 3 and a die holder 4 on it; and having the pressing block 7 of a slide 6 strike and press the die holder 4 from upper side. The die holder 4 is guided only to move vertically by guide rods 13 and urged upward by a coil spring 1. Die pieces 30 of the die 3 are guided only to move radially by guiding grooves 10b on the surface plate 10 and urged outward by ring springs 34 made of urethane. 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SOLUTION: The apparatus is composed by: installing a surface plate 10 on a bolster 2 of the crank press 1; arranging a die 3 and a die holder 4 on it; and having the pressing block 7 of a slide 6 strike and press the die holder 4 from upper side. The die holder 4 is guided only to move vertically by guide rods 13 and urged upward by a coil spring 1. Die pieces 30 of the die 3 are guided only to move radially by guiding grooves 10b on the surface plate 10 and urged outward by ring springs 34 made of urethane. 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SOLUTION: The apparatus is composed by: installing a surface plate 10 on a bolster 2 of the crank press 1; arranging a die 3 and a die holder 4 on it; and having the pressing block 7 of a slide 6 strike and press the die holder 4 from upper side. The die holder 4 is guided only to move vertically by guide rods 13 and urged upward by a coil spring 1. Die pieces 30 of the die 3 are guided only to move radially by guiding grooves 10b on the surface plate 10 and urged outward by ring springs 34 made of urethane. COPYRIGHT: (C)2008,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL SHOCK-ABSORBERS SPRINGS THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL |
| title | DRAW FORMING APPARATUS FOR OUTER CASE OF VIBRATION-PROOF BUSH |
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