Disc Clamp Having Laser Reflectivity
A component in a manufacturing process is provided. The manufacturing process makes use of laser position sensing devices to determine a position of components being manufactured. The component includes a body having an exterior surface including a plurality of angled surfaces. The component also includes a surface roughness formed on one of the plurality of angled surfaces of the exterior surface.
1 . A component in a manufacturing process, the component comprising:
a body having an exterior surface including a plurality of angled surfaces; and
a surface roughness formed on one of the plurality of angled surfaces of the exterior surface.
2 . The component of claim 1 , wherein:
the surface roughness comprises a plurality of spaced apart grooves formed on the one of the plurality of angled surfaces.
3 . The component of claim 2 , wherein:
each of the plurality of grooves extend substantially linearly and substantially parallel to one another.
4 . The component of claim 2 , wherein:
each of the plurality of grooves are spaced from one another between about 50 to 100 microns.
5 . The component of claim 1 , wherein:
the surface roughness formed on one of the plurality of angled surface is formed by stamping the one of the plurality of angled surfaces.
6 . The component of claim 1 , wherein:
the body forms a disc clamp.
7 . A disc clamp comprising:
an annular body having an exterior surface including a plurality of angled surfaces and a central opening; and
means for dispersing incident light placed on a selected portion of the exterior surface.
8 . The disc clamp of claim 7 , wherein:
the means for dispersing incident light comprise a plurality of grooves formed on the exterior surface.
9 . The disc clamp of claim 8 , wherein:
each of the plurality grooves extend substantially linearly and are oriented substantially parallel to one another.
10 . The disc clamp of claim 8 , wherein:
each of the plurality grooves are spaced from one another between about 50 to 100 microns.
11 . The disc clamp of claim 8 , wherein:
each of the plurality of grooves are formed by stamping the exterior surface.
12 . The disk clamp of claim 8 , wherein:
the grooves are formed on an angled surface of a channel formed on an upper surface of the disk clamp.
13 . The disc clam of claim 7 , wherein:
the means for dispersing incident light are provided in a pattern including machine marks.
14 . A method of detecting a position of components in a manufacturing process, the method comprising:
providing a component having an exterior surface including a surface roughness in a general location where an incident beam of a laser sensing apparatus will strike the component;
directing a laser beam from the laser position sensing apparatus to strike the component at the general location;
dispersing a reflected beam in a reflected pattern that is larger in size than a pattern of the incident beam striking the component; and
detecting the reflected beam by a sensor on the laser position sensing device.
15 . The method of claim 14 , wherein:
the surface roughness includes a plurality of grooves formed on the exterior surface of the component.
16 . The method of claim 15 wherein:
each of the plurality of grooves extend substantially linearly and are oriented substantially parallel to one another.
17 . The method of claim 15 , wherein:
the plurality of grooves are formed by stamping.
18 . The method of claim 14 , wherein:
the component comprises a disc clamp.
19 . The method of claim 14 , wherein:
the exterior surface comprises an angled surface.
20 . The method of claim 19 , wherein:
the angled surface comprises a plurality of grooves.