By Unger, Peter; Gastrow, Hans; Lindner, Edmund
ISBN-10: 1569903166
ISBN-13: 9781569903162
ISBN-10: 3446214488
ISBN-13: 9783446214484
Newly up-to-date and now in its 3rd version ''Injection Molds a hundred thirty confirmed Designs'' is a must-have for everybody concerned with designing and construction injection molds. the recent version has been revised and multiplied. superseded designs were eradicated to make means for brand new technically built designs and the general quantity has now been elevated from 108 designs to a hundred thirty designs.
With contributions from top specialists, challenge fixing is defined within the layout and manufacture of injection molds. All designs were proven and confirmed winning in software and the a hundred thirty designs are categorized as typical. The spectrum of molds coated variety from the easiest layout to the main advanced multi-stage molds. additionally incorporated are shortcuts and information
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Additional resources for Injection molds : 130 proven designs
Sample text
6 32 3 Examples – Example 7 Example 7, Two-Cavity Rotary Core Mold for a Polyacetal Pipe Elbow The pipe elbow in Fig. 2 mm in diameter. The user has stipulated that the bore may have hardly any draft. It consists of a straight section 22 mm long and a curved section with a radius of 102 mm describing an angle of 25 . The bore has a gently rounded inlet on the flange side. A snap-fit hook (H) for attaching the pipe elbow during assembly is located on the outside of the flange. At the opposite end, the pipe elbow has a connecting nipple, whose first ribbed section must not have any axial parting marks.
The cavity is machined only into this plate, which seals against a flat mating plate (2) bolted to the stationary-side clamping plate. The plug-in inserts can be removed and stored without any aids within approximately one minute. The weight of each plugin insert is approx. 6 kg. Mold Temperature Control The cooling lines for mold temperature control are located in the plug-in insert and mating plate. Selfclosing quick disconnects (3) in the supply lines facilitate replacement of the inserts. With a suitably sized mold temperature control unit, the insert reaches operating temperature after only 8 shots thanks to optimum positioning of the cooling lines.
1 to 3) The four cavities are arranged in a rectangle at the mold parting line (Fig. 3). The mold inserts (11, 14) are made of hardened steel; the lifters (7, 8, 20) are case-hardened. The lifters move sideways in the ejector plates (9, 10) and are attached to slide blocks (12) that run in corresponding guide grooves. The four leader pins for the two mold halves as well as the guide pins for the ejector plates are not shown in the drawing. Mold dimensions are 296 mm  547 mm, with a mold height of 290 mm.