PRECISION BALL SCREWS
■FEATURES
▲High transmission efficiency
◆Sankyo ball screws have an extremely high transmission efficiency of over 90% as compared with the conventional Acme screws. and the required torque reduced to only one-third or less. This allows the effective con- version of linear motion to rotary motion. (See Chart on the next right.)
▲Axial clearance adjustable
◆Conventional Acme screws do not roll smoothly when the axial clearance is small. Sankyo ball screws. however, can roll smoothly even when the axial clearance is reduced.
◆In addition Sankyo ball screws can eliminate the axial clearance by preloading with two nuts and also resulting in increased rigidity.
▲Long life and low wear
◆Due to rolling contact very little wear occurs over the life of the ball screws, assuring high precision performance for long period of time.
▲Precision fine feed possible
◆Reduced starting torque due to the rolling contact permits precision fine feed.
▲High precision
◆All Sankyo ball screws are ground assembled and inspected under a strict temperature control.
▲Drastic quality control system
◆Sankyo has promptly obtained a qualification for ISO9001 and established a drastic quality control system to manufacture quality products that can satisfy customers needs to the full.
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