From HB DJ830 to DJ830P and DJ830G: A Customer Driven Evolution in Heavy Duty Linear Actuators

Against the backdrop of rapid advancements in industrial automation, intelligent equipment, and high-end manufacturing, linear actuators—as critical motion components—directly determine the operational efficiency and service life of end-use machinery through their performance, reliability, and customization flexibility. Since launching its classic model, the HB-DJ830, Hongba Mechatronics has earned widespread customer trust thanks to its robust mechanical design, stable electrical performance, and broad industrial compatibility.

However, as application scenarios grow increasingly complex and operating conditions more demanding, customers are raising higher expectations for actuator products—requiring greater load capacity, enhanced environmental resilience, more precise position feedback, and more flexible control options.

Building on a deep understanding of the standard HB-DJ830 and continuous insights from real-world customer pain points, Hongba’s R&D team systematically identified two core development directions, leading to the creation of two advanced series: 

HB-DJ830P (High-Load Reinforced Type) 

HB-DJ830G (Highly Integrated Multi-Function Type)

This article traces the product evolution path—from general-purpose to specialized—by comparing technical specifications and configuration logic across all three models.

I. HB-DJ830: Solid Foundation with Clear Room for Enhancement

The HB-DJ830 is a standard industrial electric linear actuator with a maximum dynamic load of 4,000 N, trapezoidal screw drive, IP65 ingress protection, DC voltage input (12–48V), and a 25% duty cycle. It performs reliably in conventional industrial applications—particularly those involving medium loads, low-to-moderate speeds, and moderate dust/water resistance requirements.[HB-DJ830 Linear Actuator-HB Motion]

Yet, through direct customer feedback, the R&D team identified several key limitations:

• Insufficient load capacity: Heavy-duty applications (e.g., large gates, hydraulic cylinder replacements, auxiliary mechanisms in construction machinery) often require 6,000 N or even 12,000 N+ of thrust—beyond the 830’s capability.
• Limited speed-load combinations: While supporting up to 1,000 mm stroke, speed drops sharply under high load (e.g., only 4.0 mm/s at full load in Gear A), making it difficult to achieve both “high force” and “high speed.”
• Limited feedback options: Although Hall sensors and limit switches are available, the lack of potentiometers, reed switches, or analog outputs restricts use in closed-loop control systems.
• Environmental resilience needs improvement: While IP65 is adequate for many settings, customers in extreme conditions—such as outdoor heavy rain, high-dust environments, or salt-spray zones—demand IP66 or IP67 sealing.
• No manual override: The standard 830 offers only electric operation; power loss renders it inoperable—a critical risk in safety-sensitive scenarios like emergency release or maintenance.

These moments of realization—when customers suddenly recognized the gap between their needs and the product’s capabilities—became the original driving force behind the development of the 830P and 830G.

II. HB-DJ830P: Engineered for High Load and Enhanced Safety

Addressing the first major pain point—high-load demand—Hongba introduced the HB-DJ830P series. This is not merely a scaled-up version of the 830, but a system-level reinforcement of structure, materials, and drivetrain:[HB-DJ830P Linear Actuator-HB Motion]

• Maximum dynamic load increased to 7,000 N (Gears A/B), with a holding force of 10,000 N—significantly exceeding the 830’s 4,000 N limit, thereby expanding into heavy-duty applications.
• Standard dual-mode operation (electric + manual): A hand-crank port enables emergency manual operation during motor failure, greatly enhancing system safety.
• Maintains IP65 protection, but reinforces internal drivetrain and load-bearing components (gears, bearings, lead screws) while retaining external features like stainless steel inner tubes, zinc-nickel-plated joints, and aluminum sealed end caps—ensuring long-term sealing integrity under repeated heavy impacts.
• Supports Hall sensors, limit switches, and reed switches, enabling reliable non-contact position detection.

The 830P amplifies the industrial DNA of the 830, focusing squarely on power, stability, and redundant safety—making it an ideal electric alternative to small hydraulic cylinders.

III. HB-DJ830G: Intelligence, Precision, and Resilience for Demanding Environments

If the 830P is the “power specialist,” then the HB-DJ830G is the “versatile expert”—designed for customers who need smarter control, precise positioning, and robust adaptability.

The 830G breaks new ground in three dimensions:[HB-DJ830G Linear Actuator-HB Motion]

1. Dual Screw Drive Options on One Platform

For the first time, offers a choice between ball screws and trapezoidal screws:

Ball screws deliver high efficiency and speed—ideal for frequent start-stop cycles and energy-saving applications.

Trapezoidal screws retain self-locking capability—essential for vertical loads or power-loss holding.

Maximum dynamic load reaches 12,000 N (Gear A, ball screw), with a holding force of 15,000 N, covering an even broader heavy-duty range.

2. Highly Configurable Feedback Systems

Supports four mainstream feedback types: Hall sensors, potentiometers, magnetic reed switches, and limit signals.

Potentiometer provides analog resistance output, enabling direct integration with PLCs or controllers for continuous position monitoring.

Hall sensors offer fine resolution (e.g., 32 pulses/mm in Gear A; 40 pulses/mm in Gear F); dual-Hall phase-difference detection enables high-accuracy measurement of both direction and displacement.

Magnetic reed switches are externally adjustable, allowing flexible trigger-point setup in the field.

3. Comprehensive Environmental Upgrades

IP67 rating (industry-leading)—withstands temporary submersion, suitable for outdoor, marine, and food-washing environments.

Operating temperature range extended to –40°C to +65°C, meeting extreme cold or heat requirements.

Flexible duty cycle options (20%, 25%, 30%) to match varying work rhythms.

Includes a pressure-equalizing breather valve to prevent seal failure due to thermal expansion/contraction.

The 830G embodies a modular, intelligent actuation philosophy—customers can “mix and match” drive type, feedback method, and protection level to create a truly “one-actuator-for-many-uses” solution.

IV. From Meeting Needs to Anticipating Them: The 830 Series Evolution

The progression HB-DJ830 → 830P → 830G clearly demonstrates how Hongba’s R&D team, starting from a solid base, has built a complete product matrix covering general-purpose, heavy-duty, and intelligent market segments—through active listening, operational analysis, and forward-looking innovation:

830: The reliable workhorse—timeless and versatile. 

830P: Built for power and safety redundancy. 

830G: Engineered for smart factories and harsh environments.

This journey reflects not just technological iteration, but hongba’s core philosophy: “Customer Needs at the Center.” The company has evolved from passively responding to demands to proactively anticipating solutions.

As Industry 4.0 and electrification trends deepen, hongba motion will continue expanding its portfolio of specialized, scenario-driven actuators—helping customers move beyond “it works” to “it works well,” and ultimately to “it works intelligently.”