2012-09-12 by seoer10

In actual use, the classification of the sandpaper is far from uniform.
Accordance with the purposes:
Sponge sandpaper: suitable the polished smooth part of the variety of materials can be.
Dry sanding paper: suitable for rough or polished some rough things, such as iron pipe metal.
Watermill sandpaper: texture fine the watermill sandpaper for sanding some more delicate texture, and is suitable for post-processing;
Watermill sandpaper smaller gap between the sand and smaller grind Unqualified Unqualified and water is flowing out, and water so thinner sandpaper dry grinding Unqualified will stay in the gap in the sand, the sandpaper surface becomes light, which amounted to less than it had any effect, and dry sandpaper will not be so troublesome gap between its sand grinding out Unqualified it is in the process of grinding disc will fall due to the large gap causes suimo, so it does not need together with water to use.
By product name:
Wood sandpaper dry sanding paper; water sandpaper, waterproof sandpaper; iron emery cloth, a dry sanding paper, cutting disc, polished metal surfaces as soon as possible.

2012-09-25 by seoer10
Methods: turning dressing Law / hand repair, relying on the template style, shrink imitation ceremony automatic trimming
Brief Description: follow the example of turning single particles of diamond or diamond pen, car repair required toothed. Diamond sharp vertex angle of 70 ° -80 °. Diamond pen specifications can choose F100-4, F80-4, F60-4, F46-4, F36-4
The comparative advantages and disadvantages: ① modification long time, low-efficiency, the diamond knife not long-lived, need to feel grinding. ② shape modifications accuracy depends against the template and the moving parts of the manufacturing and mounting precision, and uniform motion. In the mass production is difficult to maintain the consistency of the toothed. (3) the cost of production is low
Scope: Use the most widely used for single-line and multi-line wheel dressing applied to the ball screw and ball nut, acme screw, small batch production
Method: metal rollers squeeze trimming
Brief description: the grinding wheel china  material CrWMn, hardness 65HRC, open several flutes rollers. Roll repair grinding wheel to reduce speed, wheel driven wheel synchronous rotation, wheel by squeezing the wheel surface abrasive crushing it off.
The comparative advantages and disadvantages: the metal roller is easy to manufacture, low cost, thread grinder grinding wheel reduction gear device is required. The high profile accuracy is lower than the diamond wheel grinding workpiece surface roughness modification. Metal wheel wear, lower life.
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