Introduction

“NEFF” originally founded in Germany started manufacturing “Ball Screw” since 1972. The outstanding standard of quality and strict production system

consequently resulted to a world-wide exportation. Over the years its reputation for excellence remains steadfast.

NEFF manufactured the “NEFF Ball Screw” which is a “Precision Rolled Ball screw.”

The main feature consists of the “Lead Accuracy” with dimensions 23㎛ 50㎛/300㎜, which is applicable to the standard Machine and Precision Transfer Machine.

All commodities of NEFF Ball Screw use the Deflector Method (nut-inner circulation) and Rubber Seal. This machine feature makes it feasible for the compactness in design.

This particular feature decreases the noise compared to the existing tube method.

The Single Nut (flange, cylinder shape) & Double Nut are standard commodities that possess superior hardness (HRC 60-62).Dimensions : Outside diameter 12-63, lead 5-50㎜, screw length 5600㎜(Max connection length 12m) Our Customers can avail of a wide range of supplies.

Indentification Number

Standard - stock table

Ball nut : pre-leading

1. Single-nut method : Using over-sized ball(0.02mm or less or zero backlash)

2. Double-nut method : A spacer is inserted between two nuts to provide a preload.

Ball return system