Wyniki wyszukiwania - BazTech

Ograniczanie wyników

Znaleziono wyników: 2

Liczba wyników na stronie

Wyniki wyszukiwania

Wyszukiwano:
w słowach kluczowych: simultaneous cutting

Sortuj według:

Ogranicz wyniki do:

Surface integrity of machined surface in simultaneous cutting of CFRP

Shimana Kenji, Kawano Ryota, Harada Masakazu, Yoshimitsu Shinichi, Kobaru Yuya, Kondo Eiji

Journal of Machine Engineering

2020

Vol. 20, No. 1

98--106

Carbon fiber-reinforced plastic (CFRP), a carbon fiber composite material, has high specific strength and stiffness, and has attracted attention as a structural material for transport machines from the viewpoint of improving fuel efficiency through weight reduction. However, the exiting CFRP processing methods have several disadvantages such as high cost, tool wear due to formation of hard chips during cutting, and occurrence of delamination that degrades machining accuracy. These limitations impede the practical application of CFRP. The purpose of this study is to propose a low cost and high precision drilling method “simultaneous cutting” by stacking the different materials with CFRP. Until now, high precision hole drilling has been studied by stacking titanium on CFRP. Because CFRP and titanium parts are joined by bolts in aircraft and so on. However, in this study, an inexpensive and easy to obtain acrylic resin plate was selected as a stacking material to focus on CFRP hole drilling. On the other hand, acrylic resin plate was used for CFRP hole drilling as a waste material. As a result, it was found that the thrust force was reduced by drilling the hole with stacking CFRP between two acrylic resin plates. Furthermore, the occurrence of delamination was suppressed at both the entry and exit sides of the hole.

Nowe technologie w zakresie drążenia i wycinania elektroerozyjnego

Berkan J.

Zeszyty Naukowe. Mechanika / Akademia Techniczno-Rolnicza w Bydgoszczy

2000

Z. 46 (225)

15-21

W referacie przedstawiono dwie propozycje technologii, które można zastosować w operacjach drążenia i wycinania elektroerozyjnego. Pierwszą z nich jest elektroerozyjne drążenie z zastosowaniem elektrod pośrednich, drugą - jednoczesne wycinanie elektroerozyjne stosowane przy wytwarzaniu części tnących wykrojników.

The present paper investigates two technologies to be applied for electro-discharge sinking and cutting. The first one incorporates medial electrodes into EDM sinking, the latter - a simultaneous EDM cutting used for producing blanking tool parts.