The Features Of Miniature Ball Screws

Precision Miniature ball screw assemblies are conventionally understood to be systems with a nominal diameter of 16mm or less. Their miniaturized nut geometries are achieved through the use of optimized recirculation systems with very small balls.These ball screws are usually not preloaded or only slightly preloaded to ensure the smoothest possible travel. Miniature Ball Screw is normally used in high precision equipments and apparatus. We developed a special metal deflector to replace the plastic deflector.The metal deflector can improve the serving life, stability and smoothness. If the metal deflector is assembled together with the stainless steel screw shaft, nut and ball, the miniature ball screw can be used in the environment of high- temperature and corrosion.

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Description


Brief introduction of Precision Miniature Ball Screw

Precision Miniature ball screw assemblies are conventionally understood to

be systems with a nominal diameter of 16mm or less. Their miniaturized nut

geometries are achieved through the use of optimized recirculation systems

with very small balls.These ball screws are usually not preloaded or only

slightly preloaded to ensure the smoothest possible travel. Miniature Ball

Screw is normally used in high precision equipments and apparatus.

We developed a special metal deflector to replace the plastic deflector.The

metal deflector can improve the serving life, stability and smoothness. If the

metal deflector is assembled together with the stainless steel screw shaft, nut

and ball, the miniature ball screw can be used in the environment of high-

temperature and corrosion.

Application of Miniature Ball Screw

? CNC machines: CNC machine centre, CNC turning machine, milling machine, EDM machines, grinding machine, wire

cut EDM machine, CNC boring machine.

? Industrial equipment: printing equipment, automation machinery, textile machine, drawing machine, injection

molding machine, paper processing equipment.

? Electronic machines: measuring robot, XY working table, medical equipment, SMT Equipment, semiconductor

equipment, other automation equipments.

? Transport machinery: material handling equipment, elevated actuator.

? Others: antenna leg actuator, valve operator etc.

Features of Miniature Ball Screws

● High mechanical efficiency

Miniature ball Screws are fitted with steel Balls, providing rolling contact between the Nut and Screw Shaft,allowing for mechanical

efficiency of over 90% and reducing the required Torque to less than one-third that of conventional Lead Screws. The design of the

Ball Screws also allows linear motion to be converted into rotary motion easily (Fig. 1).

● Axial play

With conventional Triangular and Trapezoidal Screw threads, reducing the Axial play increases the rotational Torque due to the

● High precision

Gauge machining, under the temperature controlled room. High precision and accurate positioning ensure high reliability in use.

● Long service life

The Ball Screw movement results in virtually no wear, as the rolling-contact design, combined with the use of carefully selected

heat-treated materials, results in an extremely low friction. This is the reason that high precision can be kept over long period.



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