KGG | High-Precision Linear Motion Solutions for Industrial Automation

About KGG

Shanghai KGG Robots Co., Ltd. was established in 2008 and is a leading manufacturer and distributor of linear motion components in China. We specialize in miniature-sized Ball Screws and Linear Actuators, serving industries such as 3C electronics, lithium batteries, solar energy, semiconductors, biotechnology, medicine, and automotive.

Our brand “KGG” stands for Know-how, Great Quality, and Good Value. With a strong focus on innovation and precision engineering, KGG delivers reliable, high-performance motion control solutions trusted by automation engineers worldwide.

2008

Founded

15+

Years Experience

50+

Countries Served

Our Products

Engineered for precision, durability, and performance. KGG offers a comprehensive range of linear motion components for industrial automation and high-tech applications.

Precision Ball Screw

High-accuracy ball screws with C5, Ct7, Ct10 grades. Made from S55C induction-hardened shaft and SCM415H carburized nut. Axial play as low as 0.005mm.

• Metric thread, single nut
• Hardness: HRC58+
• Ideal for CNC, robotics

ZR Axis Actuator

Direct drive hollow motor design for compact Z-axis motion. Integrated ball screw and spline nut for high rigidity and precision.

• Hollow motor integration
• Built-in stop & guide
• Space-saving design

HSRA Electric Cylinder

High-thrust servo electric cylinder with IP66 protection. Operates in extreme temperatures and harsh environments.

• Precision ball/roller screw
• IP66 rated
• Low/high temp compatible

Ball Linear Guide

High-precision linear motion guides with low friction and high load capacity. Available in ball and roller types.

• Ball & roller variants
• High rigidity
• Smooth motion

Planetary Roller Screw

High-load, high-efficiency alternative to ball screws. Ideal for aerospace, defense, and heavy industrial applications.

• High dynamic load
• Long service life
• High transmission efficiency

Stepper Motor

High-torque, open-loop control motors for precise positioning in automation, 3D printing, and CNC systems.

• High step accuracy
• Low vibration
• Easy integration

Deep Groove Ball Bearing

Versatile bearings for radial and axial loads. High-speed capability with low noise and long life.

• High-speed operation
• Low maintenance
• Wide application range

RCP Single Axis Actuator

Fully enclosed, motor-integrated linear actuator with modular design. High precision and rigidity in compact form.

• Modular integration
• Space-saving
• Quick installation

View All Products

Why Choose KGG?

Engineered for performance, reliability, and innovation in every component.

High Precision

C5-grade ball screws, micron-level repeatability, and tight tolerances ensure unmatched accuracy.

High Efficiency

Optimized transmission systems with roller and ball screws deliver up to 90% efficiency.

Global Support

Distributed in over 50 countries with technical support and CAD resources available.

Innovation Driven

Continuous R&D investment ensures cutting-edge solutions for evolving automation needs.

Serving Key Industries

KGG components power advanced automation across high-tech sectors.

3C Electronics

Precision assembly, testing, and handling in smartphones, laptops, and consumer devices.

Lithium Batteries

High-speed electrode coating, stacking, and cell assembly with cleanroom compatibility.

Solar Energy

Automated wafer handling, stringing, and module assembly for photovoltaic manufacturing.

Semiconductors

Ultra-precise motion control for lithography, inspection, and packaging equipment.

Biotechnology

Lab automation, liquid handling, and diagnostic systems requiring high reliability.

Automotive

EV battery production, engine testing, and robotic assembly lines.

Frequently Asked Questions

What is the difference between a ball screw and a roller screw?

Ball screws use recirculating balls for motion transmission and are ideal for high-speed, moderate-load applications. Planetary roller screws use threaded rollers and are designed for extremely high loads, stiffness, and longer life in demanding environments.

What precision grades do KGG ball screws offer?

KGG offers precision ball screws in C5, Ct7, and Ct10 grades per JIS B 1192-3 standards. C5 provides the highest accuracy with axial play as low as 0.005mm.

Are KGG actuators suitable for cleanroom environments?

Yes, many KGG linear actuators, including the RCP and ZR series, are designed for cleanroom compatibility with sealed components and low particle emission.

Can I get 3D CAD models of KGG products?

Yes, KGG provides 2D and 3D CAD models for most products through their 3D Selection Tool and technical support portal.

Get in Touch

For product inquiries, technical support, or partnership opportunities, visit our official website to connect with our team.

Visit Official Website

Contact Information

No.188 Gangde Road, Xiao Kunshan Town, Songjiang District, Shanghai, China

Email: amanda@kgg-robot.com

Phone: 0086-15221578410

WeChat: amanda.sun18

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