Why surface finish is poor in vertical milling than horizontal milling
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If your concern for surface finish is based on the requirements placed on a particular part, understand how the Surface Finish will be measured. Which Surface Finish Measurement system will be used–RA, RZ, or some other? The link will take you to our page on Surface Finish Measurement which will help you understand the ins and outs of these systems as well as provide handy conversion between the different systems.
Use the Right Feeds and Speeds
It’s absolutely critical to have the right feeds and speeds for finishing work–no guessing!
Use a proper feeds and speeds calculator like G-Wizard–most finish work needs to take radial chip thinning, ballnose compensation, and a host of other sophisticated factors into account.
Keep the rpms up where surface speed says they should be and back off the feedrate for a finer finish. G-Wizard has its “Tortoise and Hare” slider to do this adjustment. Move it all the way left. That’s its special “Fine Finish” setting which puts the chip load as close to rubbing as you want to go for best possible finish.
Use the Right Feeds and Speeds
It’s absolutely critical to have the right feeds and speeds for finishing work–no guessing!
Use a proper feeds and speeds calculator like G-Wizard–most finish work needs to take radial chip thinning, ballnose compensation, and a host of other sophisticated factors into account.
Keep the rpms up where surface speed says they should be and back off the feedrate for a finer finish. G-Wizard has its “Tortoise and Hare” slider to do this adjustment. Move it all the way left. That’s its special “Fine Finish” setting which puts the chip load as close to rubbing as you want to go for best possible finish.
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