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Miniature Ground Ball Screws

large ground ball screw processing

Miniature Ground Ball Screw Processing

ALM miniature ground screw threads are manufactured by an abrasive process that typically occurs in a horizontal setup,the material blank rotates on a long axis between two machining centers,while extremely hard abrasive cutters that are designed to cut a few threads at a time,carve out the threads from the cut blanks.

Large Ground Ball Screw

Miniature Ground Ball Screw Thread 

The picture shows the details of the ALM ground ball screw threads,which are clean and smooth and have excellent surface finish.The miniature ground ball screws are available with fine leads.This is a significant advantage in applications requiring fine tuning,such as positioning semiconductor wafers,optical devices,and dispensing equipment.

ALM Miniature Ground Ball Screw Basic Information

AccuracyC1,C3,C5(JIS standard)
Axial play0~0.005mm(Can be zero)


FeaturesClean and smooth,excellent surface finsh
CertificatesISO9001:2015,CE certificate,RoHS and reach compliance
ALM provides custom service,ball screws can be manufactured according to customer requirements.

ALM Miniature Ground Ball Screw Ballnut Types

The following shows ALM common miniature ball screw ballnut,other ballnuts can be manufactured according to customer's requirement.

threaded nose ballnut bi-directional ball screw

Ballnut With Threaded Nose

square flanged ballnut bi-directional ball-screw

Square Flanged Ballnut

flanged ballnut bi-directional ball screw

Double-cut Flanged Ballnut

round flanged ballnut bi-directional ball screw

Round Flanged Ballnut

ballnut-with-thread-nose-ball-screw (1)

Ballnut With Keyway

square-ballnut-ball-screw (2)

Square Ballnut

ALM Miniature Ground Ball Screw Types

4mm ground ball screw

4mm Miniature Ground Ball Screw

The 4mm miniature ground ball screw has very fine leads.This is a significant advantage in applications that require fine-adjustments and micro-positioning.

5mm ground ball screw

5mm Miniature Ground Ball Screw

The 5mm micro ground ball screws are the perfect solution for applications such as micromanipulators,miniature robotics and compact actuators.

6mm ground ball screw6mm Miniature Ground Ball Screw

Miniature 6mm ground ball screws help extend the reliability of micromachines,increase their speed and output,and reduce noise in a variety of medical,laboratory,automation and other small equipment applications.

8mm ground ball screw

8mm Miniature Ground Ball Screw

Micro 8mm ball screw is designed for light load applications,and its advanced internal ball recirculation system and thread design also provide higher speed capability and longer service life.

10mm ground ball screw

10mm Miniature Ground Ball Screw

The 10mm ground miniature ball screw is compact,quiet and cost-effective,providing a low friction,high efficiency technology.

12mm ground ball screw

12mm Miniature Ground Ball Screw

The miniature precision ball screw provides an efficient and economical linear motion solution.This makes them ideal for applications where space is limited and efficient movement is required.

14mm ground ball screw14mm Miniature Ground Ball Screw

The ALM 14mm Miniature ground ball screw is optimized to provide precise positioning,excellent repeatability,and smooth operation.

ALM Miniature Ground Ball Screw Advantages

Clean and smooth;

Saving installation space;

Excellent surface finish;

High efficient:more than 90%;

High positioning accuracy:C1,C3,C5;




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