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Number 4 ground finish is equivalent to a maximum Ra of 32 micro inch (0.80 micro meter) when measured according to the recommendations in ANSI/ASME B46.1 - Surface Texture. In addition, surface finish equivalent to 150 grit or better as obtained with silicon carbide and properly applied on the surface would also meet specifications of No. 4 finish. Source: 3-A Sanitary Standard. Hope this helps. Mike Anunike
What else can I help you with?
What is Gramophone finish of flange face?
Gramophone Finish, is a Spiral Groove across the Face of the Flange. Easy to Fabricate on a Lathe. Provides a Good Surface for the Gasket to Mate with.
What is a Talysurf?
It is Taylsurf and not as spelt in the question. It is an instrument used to measure surface finish or texture in mechanical engineering.
What techniques are used to file flat square and curved surfaces and achieve a smooth surface finish?
Techniques used to file flat square and curved surfaces to achieve a smooth surface finish, include using sweeping motions that follow the flat squares or curves to ensure the file is level. You will also need to secure the work place to ensure accuracy.
Advantages of superplastic forming?
The major advantage of this process is that it can form large and complex workpieces in one operation. The finished product has excellent precision and a fine surface finish.
What is machinability?
Machinability refers to the ease of which a material may be milled, drilled, turned, etc. These are all machining operations. Materials with a lower machinability cause less tool wear, require less cutting force and power, provide a better surface finish, and provide better chip disposal.
How thick is number 4 finish 24GA Stainless steel?
24 GA Stainless Steel is 0.239" per the U.S. Standard Gage for Uncoated Hot- & Cold-Rolled Sheets. The thickness is not dependent on the material type. The number 4 refers to the surface finish. It only affects the thickness in that it removes some of the surface material. A number 4 finish is rougly equivalent to sanding with 180 grit sandpaper. Small grooves are left in the surface parallel to the length of the member.
How many coats of poly should be applied to achieve the desired finish on the wooden surface?
The number of coats of polyurethane needed for a desired finish on a wooden surface depends on the type of polyurethane and the condition of the wood. In general, 2-3 coats are recommended for a smooth and durable finish.
What is the meaning of surface finish?
A surface finish commonly refers to the final stage of most manufacturing processes. It is a process by which a final coat of pain, clear coating, polish, etching, or other process is applied for the final acquisition of desired appearance.
What is ra and rz surface finish?
what is Rz and Ra urface finish?
What are the other three classes of flatwork?
The three other classes of flatwork are the float finish, broom finish, and steel trowel finish. Float finish involves smoothing the surface using a wooden or metal float. Broom finish includes dragging a broom over the surface for a textured finish. Steel trowel finish is achieved by repeatedly troweling the surface to create a smooth and glossy finish.
Does anyone have a link to Finish dishwasher coupons?
Finish dishwasher coupons are available to print via a number of websites. They can be found on sites including Retail Me Not, Finish Dishwashing and Hunt 4 Freebies.
Which material does not need surface finish?
plastic
Can you increase or decrease the surface shine of polypropylene prior to injection molding?
Yes, you can modify the surface shine of polypropylene by adjusting the mold finish, such as using a higher polish for a shinier surface or a matte finish for a duller surface. Additionally, using additives or processing techniques during injection molding can also influence the final surface appearance of the polypropylene product.
How can I dull a glossy finish on a surface?
To dull a glossy finish on a surface, you can lightly sand it with fine-grit sandpaper or use a chemical deglosser to remove the shine.
How can I buff out a polyurethane finish to achieve a smooth and glossy surface?
To buff out a polyurethane finish for a smooth and glossy surface, you can use fine-grit sandpaper to gently sand the surface, followed by polishing with a high-quality polishing compound. Finish by buffing with a soft cloth to bring out the shine.
How can I achieve a smooth finish when sanding glass?
To achieve a smooth finish when sanding glass, use fine-grit sandpaper and water to gently sand the surface in a circular motion. Gradually increase the grit of the sandpaper for a smoother finish, and finish with a polishing compound for a shiny surface.
What is the best aluminum surface finish to glue a gasket on?
A smooth, clean surface containing no grease.
