Abstract

This paper discusses the use of conventional forging equipment for the manufacture of precise forging without flash. An analysis is presented of the factors influencing the forging process and the conditions for establishing this technique in a forge based on practical experience at the SKODA Auto forge. The main problem is usually the excess volume of billet material. Three basic forms of die design for overload protection are illustrated and discussed.

Highlights

  • The production contract between a customer and a forging company starts with the initial cusromer inquiry and is concluded by the customer's final approval

  • As the contract will be agreed upon partly on the basis of the forging drawing, this drawing is of great importance

  • A forging design is based on part shape complexiry material composition, required precision, production run, and type of forging machine used

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Summary

INTRODUCTION

The production contract between a customer and a forging company starts with the initial cusromer inquiry and is concluded by the customer's final approval. A forging design is based on part shape complexiry material composition, required precision, production run, and type of forging machine used. O The mechanical properties of precision forging are often superior to those offorging that has undergone extensive machining. The main reason for installing ofthe methods ofnear-net shape fiorging is to reduce production costs, since the total forging costs usually consists mainly of material costs.

Near-Net shape forging
Forged material
Forging shdpe dfficulty
Billet aolurne aaridtion
Machining allowances
Parting line position
20-40 Vo 30-40 Vo
Die design for near-net shape forging
Forging into closed dies with accommodation in the corners of the Iorglng
Forging into closed dies with accornmo dation into for gtn g height
Conclusion
References tll Schmiedeteile

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