Carbon fiber reinforced resin processed product having end surface and method of manufacturing the same
AssigneeTeijin Limited
InventorsTakashi Toyozumi, Syuhei Suzuki
Life of this patent
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Abstract
The present invention is aimed to provide a carbon fiber reinforced resin processed product which is almost free from the problems described above on a processed surface subjected to cutting or the like and has an end surface where generation of a burr is suppressed, has favorable surface properties, and surface nature, and particularly smoothness is excellent; and provides a carbon fiber reinforced resin processed product having an end surface which has fibers and a resin, wherein the end surface has a surface roughness (Rz) within a range from 5 μm to 50 μm.
Claims8
A carbon fiber reinforced resin processed product having an end surface,
- which has carbon fibers and a thermoplastic resin,
- wherein the carbon fiber reinforced resin processed product is any one of:
- (i) a plate-like object having a side surface as the end surface;
- (ii) a rod-like object having a tip surface as the end surface;
- or
- (iii) a tube-like object having a tip surface as the end surface,
- wherein the end surface is a cutting processed surface obtained by using a circular saw, a laser, water jet, or an end mill, the cutting processed surface on which removing burrs and re-polishing are not performed and has a surface roughness (Rz) within a range from 5 μm to 12.5 μm,
- wherein the carbon fibers have an average fiber diameter of from 5 μm to 8 μm,
- wherein the carbon fibers are aligned in one direction or are randomly oriented in a two-dimensional direction in the carbon fiber reinforced resin processed product;
- and
- wherein the end surface has no burrs, separated portions, cracks, or fluffs of carbon fibers.
Dependencies are inferred from the claim text.