GTH Series Semi-Enclosed Ball Screw Linear Modules

GTH12B

Model:
Description: The GTH Ball Screw Linear Module is a high‑precision linear motion system engineered for applications requiring exceptional rigidity, accuracy, and long‑term stability. Featuring a robust ball‑screw drive and optimized linear guide structure, the GTH series delivers smooth motion, low backlash, and reliable positioning even under high load and high‑speed operation.Its compact, modular design supports flexible installation, multi‑axis combinations, and customization for stroke length, motor type, and mounting orientation. The GTH module is widely used in automated production lines, semiconductor equipment, inspection systems, packaging machinery, and precision assembly applications.
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GTH12B Linear Module | High‑Rigidity Ball Screw Actuator

Medium‑Size · High Load · Precision Industrial Performance

The GTH12B is a medium‑size, high‑rigidity ball‑screw linear module designed for applications requiring stable motion, strong load capacity, and long service life in industrial automation.

Core Technical Features

102 mm body width for medium‑to‑high load automation platforms
High rigidity structure suitable for precision assembly and inspection
Compatible with Mitsubishi, Panasonic, Delta, and Yaskawa servo motors
Stroke configurable up to 1050 mm in 50 mm increments

GTH Series Model Range (Quick Overview)

Small Size:
GTH6A (65 mm), GTH7A (75 mm), GTH9A (90 mm)

Medium Size:
GTH10 (102 mm), GTH12B (102 mm), GTH13 (135 mm), GTH14 (135 mm),
GTH12A (120 mm), GTH14A (140 mm)

Large Size:
GTH17 (170 mm), GTH22 (220 mm), GTH17M (170 mm long‑stroke), GTH22M (220 mm long‑stroke)

Technical Specifications

Item	Specification
Position Repeatability	±0.02 mm
Ball Screw Lead	5 / 10 / 20 / 32 mm
Max Speed	250 / 500 / 1000 / 1600 mm/s
Max Payload (Horizontal)	50 / 30 / 18 / 5 kg
Max Payload (Vertical)	12 / 8 / 3 / – kg
Rated Thrust	341 / 170 / 85 / 53 N
Stroke Range	50–1050 mm (50 mm pitch)
Motor Output	Servo Motor (100W / 200W), Stepper Motor (NEMA 17 / NEMA 23 / NEMA 34)
Ball Screw Diameter	C7 Ø16 mm
Linear Guide	15 × 12.5 mm
Coupling Size	10 × 14 mm (other sizes available for motor adaptation)
Home Sensor	EE‑SX672 / EE‑SX674 (NPN/PNP)

Ordering Code Guide

Example:
GTH12B‑L5‑100‑BC‑M20B‑C4‑0001

Code Breakdown

GTH12B — Model
L5 / L10 / L20 / L32 — Ball screw lead
50–1050 — Stroke (50 mm increments)

Motor Position (BC / BL / BR / BM / M)

BC — Motor Exposed
BM — Motor Bottom Side
BL — Motor Left Side
BR — Motor Right Side
M — Motor Built‑in
M / P / T / Y + Power — Motor brand & output
B — With brake

Home Sensor + Limit Sensor Combinations

Home Sensor Position	Limit Sensor Quantity	Combined Code
C (Motor Side)	1 PC / 2 PC / None	C3 / C4 / C5
D (Opposite Side)	1 PC / 2 PC / None	D3 / D4 / D5
E (No Home Sensor)	1 PC / 2 PC / None	E3 / E4 / E5

0001 — Special order code

⭐ Need Assistance?

For model selection, 3D files, or custom non‑standard configurations, please contact us.

Application Fields

Medium‑load linear motion platforms for precision assembly and inspection
Automated measurement, AOI, and metrology systems requiring high rigidity
Packaging, labeling, and medium‑load transfer mechanisms
Multi‑axis gantry systems and XY stages using ball screw linear modules
Robotics integration for medium‑payload single‑axis robot configurations
Industrial fixtures and tooling requiring consistent stiffness and repeatability