High Rigidity, Full Size, and Flexible Customization: Gaogong GTH Semi-Closed Ball Screw Linear Module Series Empowers Industrial Automation Upgrades

In the mechanical selection of industrial automation equipment, linear actuators equipped with external high-rigidity linear guides and blocks have always been crucial transmission components across industries such as 3C electronics, lithium-ion battery production, solar photovoltaics (PV), semiconductors, automotive parts, life sciences, food packaging, and warehousing logistics. Known for their high payload capacity, excellent structural rigidity, easy maintenance, and robust build, these precision ball screw linear modules perform core duties including high-frequency positioning, precision gripping, and heavy-duty material handling in multi-axis Cartesian systems, cross-slides, and gantry robots.

To address the manufacturing industry's urgent demands for fine-grained cost reduction, rapid lead times, and highly flexible non-standard customization, Dongguan Gaogong Intelligent Transmission Co., Ltd. has leveraged its profound expertise in industrial automation transmission components to roll out its flagship GTH Semi-Closed Ball Screw Linear Module Series. Engineered with external heavy-duty linear guide rails and precision ball screws, this series delivers comprehensive size specifications, outstanding mechanical interface compatibility, and exceptional cost-effectiveness, making it the premier choice for linear actuator selection and equipment upgrades.

1. Full Product Matrix: Comprehensive Applications across High-Precision and Harsh Environments

While the GTH series remains the cornerstone for high-precision, heavy-duty standard setups, Gaogong Intelligent has built a comprehensive product matrix—comprising GTH, GCH, GTB, and GCB series—to satisfy diverse operational environments (such as cleanrooms, high-dust areas, or splash zones) and varying speed or stroke requirements:

1. GTH Series (High-Precision Semi-Closed Ball Screw Type): Utilizes external high-rigidity linear guide rails paired with precision blocks and premium ball screws to deliver a strict positioning repeatability of $\pm 0.01\text{mm}$. The semi-closed, open-top structural design ensures excellent heat dissipation and makes routine greasing and maintenance incredibly straightforward. For standard factory workshops without strict dustproof requirements, the GTH series represents the golden standard for high-rigidity, high-precision positioning.

2. GCH Series (High-Precision Fully-Enclosed Ball Screw Type): Upgraded from the GTH platform, the GCH series features a fully-enclosed structure sealed with a premium stainless steel strip, maintaining the same $\pm 0.01\text{mm}$ precision repeatability. It effectively blocks external dust, cutting fluids, or particulate matter from entering the actuator while preventing internal grease from splashing out. This makes it ideal for semiconductor wafer fabrication, medical bio-analysis instruments, cleanroom inspection equipment, as well as harsh environments like CNC machine tool loading/unloading and laser cutting machines.

3. GTB Series (Long-Stroke Semi-Closed Synchronous Belt Type): Replaces the ball screw drive with a high-tensile synchronous timing belt. Belt-driven modules eliminate the critical speed limits of long screws, offering ultra-long strokes and extreme travel speeds of over 2000mm/s (with a standard repeatability of $\pm 0.04\text{mm}$). They excel in large-scale applications such as logistics sorting lines, palletizing robots, carton packaging machinery, and automated fruit/vegetable weight sorting lines.

4. GCB Series (Long-Stroke Fully-Enclosed Synchronous Belt Type): Combines the high-speed, long-stroke benefits of belt transmission with a fully-enclosed, dustproof design. It delivers rapid long-distance flying-handling while ensuring smooth, long-term operation in environments prone to debris, fibers, or dust, such as textile machinery, automotive Body-in-White (BIW) welding line conveyors, and solar PV wafer cutting peripherals.

   
   

   
   

   

   
   

2. Full Size Coverage from 65mm to 220mm and Comprehensive Industry Applications

As the precision core of Gaogong's external-guide actuator family, the GTH ball screw linear module offers a remarkably wide range of profile widths. Configured with external independent rails and option for single or dual sliders, it handles everything from micro-precision handling to ultra-long, heavy-duty transfers:

• Small-Sized Actuators (GTH6A / GTH7A / GTH9A): Featuring body widths of 65mm, 75mm, and 90mm with maximum strokes up to 1000mm. Perfect for compact spaces with demanding moment load requirements.

• 3C Electronics & Microelectronics: Widely deployed on the X-Y-Z axes of desktop automatic dispensing machines, 3C electronic ribbon cable backing machines, smartphone screen laminators, micro-screw fastening machines, automated PCB drilling machines, and high-speed SMT pick-and-place systems.

• Medical & Life Sciences: Ideal for micro-volume high-frequency pipetting and tube handling mechanisms in automated blood collection tube sorting systems, laboratory biochemical analyzers, automated liquid dispensers, DNA extractors, and automated PCR plate sealers.

• Medium-Sized Actuators (GTH10 / GTH12 / GTH13 / GTH14): With profile widths ranging from 102mm to 135mm, these modules pair perfectly with 100W to 400W servo motors. The superior stability and high repeatability brought by the external rails make them the workhorses of automated assembly lines:

• Lithium-Ion Battery Production: Installed in lithium battery stackers (for high-speed electrode sheet alignment), tab welding machines (for laser head positioning axes), vacuum electrolyte injection systems (for injection nozzle lifting), and automated temporary transfer mechanisms between processes.

• Solar Photovoltaics (PV): Perfect for high-frequency start-stop setups like PV solar stringers (for ribbon and wafer gripping/alignment), solar cell screen printing machines (for squeegee drive axes), and automated laser scribing/dicing machines.

• Semiconductor Packaging: Utilized in LED die bonders, automated chip encapsulation systems, FOUP (Front Opening Unified Pod) transfer mechanisms, vision CCD appearance inspection machines, and wafer curing furnace loading/unloading systems.

• Large-Sized Heavy-Duty Actuators (GTH12A / GTH14A / GTH17 / GTH22): Spanning profile widths from 120mm up to 220mm, boasting maximum effective strokes well over 1500mm, and a maximum horizontal payload capacity of up to 150kg.

• Automotive Parts & Heavy Manufacturing: Tailor-made for heavy-load cantilever transfers in automotive component assembly lines, BIW welding lines, heavy-duty axle gluing systems, and car seat durability test rigs.

• Apprenticeship & Logistics: Extensively used in white goods (refrigerator/washing machine) final assembly lines, heavy-duty multi-axis gantry palletizing robots, automatic carton wrapping systems, and AGV top-lifting modules.

• Heavy Machinery Peripherals: Handles heavy-duty material handling for solar silicon wafer multi-wire slicing machines, large CNC sheet metal punch press feeders, and long-travel gantry crossbeams for heavy laser cutting systems, serving as a solid alternative to traditional pneumatic or hydraulic cylinders.

3. External Guide Rails + Precision Blocks for Superior Mechanical Performance

1. Massive Moment Load Capacity and Excellent Cantilever Support: Because the module utilizes an external, independent high-precision linear guide rail and block layout, it exhibits superior structural rigidity and resistance to lateral moment forces when handling vertical or horizontal cantilevered loads, making it ideal for wide-span and off-center center-of-gravity applications.

2. Standardized Mechanical Interfaces for Effortless Engineering Dropping: The bottom mounting holes, side reference datums, dowel pin holes, and the thread pitch on the slider block strictly comply with universal industrial machinery standards. Engineers can seamlessly drop these standard 3D models into their designs, boosting modular engineering efficiency.

3. Optimized Pitch and Fast Cycle Times: Screw-driven models (GTH/GCH) offer rich ball screw leads including 5mm, 10mm, 20mm, 25mm, 32mm, and 40mm to ensure precision and stability. Meanwhile, belt-driven variants (GTB/GCB) provide instantaneous acceleration, matching any complex non-standard production cycle time.

4. Powerful Customization Capabilities to Overcome Non-Standard Design Limits

As a direct-source manufacturing factory, Gaogong Intelligent possesses robust deep-machining capabilities and swift technical support. Recognizing that non-standard automation designs vary immensely, the GTH series offers comprehensive flexible custom modifications:

• Custom Dimensions & Mounting Arrays: We can tailor the overall length and dimensions of the actuator body to fit tight machinery spaces or drill custom mounting layouts and dowel pin arrays to match legacy base plates, ensuring 100% assembly compatibility.

• Dual-Slider (Multi-Block) Configurations: For applications demanding ultra-large moment load resistance or dual-working-head synchronization (such as dual-head dispensing systems, dual-station pick-and-place units, dual-laser marking rigs, or dual-camera vision alignment systems), custom dual-slider carriages can be integrated to vastly boost overall system rigidity.

• Left-and-Right Hand (Opposing) Screw Drives: For centering, bidirectional opening/closing, clamping, or synchronous opposing handling mechanisms (such as automated gripper systems, synchronous auto-focus/centering modules, logistics sorting alignment axes, or fruit/vegetable weight sorting centering mechanisms), we can integrate a custom left-and-right hand ball screw. This allows a single motor to drive a perfect, symmetrical open-close movement, streamlining the control architecture and slashing hardware costs.

5. Standardized Part-Number Logic: Plug-and-Play for Servo and Stepper Motors

Gaogong's independent-guide modules feature clean, highly structured part-number configurations, greatly simplifying purchasing and on-site wiring:

• All-Around Motor Mounting Configurations: Supports BC (straight direct-coupling), BM (bottom-folded motor wrap), BL (left-folded motor wrap), and BR (right-folded motor wrap), completely resolving cable routing or physical interference challenges within tight machine framing.

• Direct Adaptability to Mainstream Motors: The part-number system allows direct specification of adapter flanges for mainstream 100W to 750W servo motors, including Mitsubishi (M), Panasonic (P), Yaskawa (Y), and Delta (T). Simultaneously, the series perfectly accommodates or adapts to various brands of stepper motors, making it incredibly easy to implement low-cost, high-efficiency open-loop or closed-loop stepper drive solutions.

6. Gaogong GTH Series Precision Modules — Standard Part-Number Database (Zero Duplication)

To assist mechanical design engineers and purchasing teams in quickly retrieving Gaogong's standard codes during web searches or BOM component matching, here is a curated list of frequently used part numbers for the GTH independent-guide semi-closed screw linear modules, displaying incremental configurations across various leads, strokes, and motor orientations:

A. GTH Small-Scale Actuator Series

• GTH6A-L5-100-BC (Lead 5mm / Stroke 100mm / Motor Direct Coupling)

• GTH6A-L10-200-BM (Lead 10mm / Stroke 200mm / Motor Bottom Folded)

• GTH6A-L20-300-BL (Lead 20mm / Stroke 300mm / Motor Left Folded)

• GTH7A-L5-150-BR (Lead 5mm / Stroke 150mm / Motor Right Folded)

• GTH7A-L10-250-BC

• GTH7A-L20-400-BM

• GTH9A-L5-300-BL

• GTH9A-L10-500-BR

• GTH9A-L20-600-BC

• GTH9A-L32-800-BM (32mm High-Lead High-Speed Variant)

B. GTH Medium-Scale Actuator Series

• GTH10-L5-200-BL

• GTH10-L10-400-BR

• GTH10-L20-500-BC

• GTH12-L5-300-BM

• GTH12-L10-450-BL

• GTH12-L20-600-BR

• GTH13-L5-400-BC

• GTH13-L10-500-BM

• GTH13-L20-700-BL

• GTH14-L5-500-BR

• GTH14-L10-800-BC

• GTH14-L20-1000-BM

C. GTH Large-Scale Heavy-Duty Robot Series

• GTH12A-L5-400-BL

• GTH12A-L10-600-BR

• GTH12A-L20-800-BC

• GTH14A-L10-500-BM

• GTH14A-L20-800-BL

• GTH14A-L40-1000-BR (40mm Ultra-High-Speed Variant)

• GTH17-L5-600-BC

• GTH17-L10-800-BM

• GTH17-L20-1000-BL

• GTH17-L40-1250-BR

• GTH22-L5-800-BC (Heavy-Duty Large-Thrust Variant)

• GTH22-L10-1000-BM

• GTH22-L25-1200-BL

• GTH22-L40-1500-BR

(Note: The above part numbers represent standard configurations. As a factory-direct manufacturer, Gaogong Intelligent supports flexible extension or shortening of effective strokes to any length within standard structural limits, and motor directions or ball screw leads can be altered based on your final 3D schematics.)

7. Outstanding Performance and Extreme TCO Optimization

In the field of precision manufacturing, Gaogong's external-guide linear modules occupy a distinct market sweet spot. By leveraging a comprehensive, localized supply chain and large-scale manufacturing infrastructure in Dongguan, our products deliver exceptional stability while enabling equipment OEMs to directly slash module procurement costs by over 30%.

Furthermore, compared to long import lead times that delay product delivery, Gaogong maintains massive stock reserves of standardized linear slides and frequently utilized strokes, allowing for rapid shipment within a few days. This vastly mitigates scheduling pressures for automation machine builders facing urgent production spikes in the PV or lithium-ion battery sectors.

Conclusion

In today’s manufacturing landscape, where supply chains demand security, speed, and cost-efficiency, Dongguan Gaogong Intelligent's external independent guide linear module family exemplifies high-end engineering. Whether your machinery mandates the high rigidity and precise accuracy of a ball screw drive or the high-speed, long-distance capability of a belt system, Gaogong stands ready to deliver an integrated, highly versatile transmission solution. Reach out to Gaogong Intelligent today, and let our broad industry experience secure the success of your next smart manufacturing deployment!