Industrial Linear Actuator Selection Guide for Industrial Automation & Medical Lifting Equipment

1. Introduction to Industrial Linear Actuator
Automation transformation has become an inevitable trend for traditional manufacturing, medical equipment manufacturing, agricultural machinery renovation and intelligent home upgrading in global markets. The Industrial Linear Actuator serves as the core linear power output component, converting rotary motor motion into straight-line push-pull movement to realize lifting, pushing, tilting, positioning and clamping actions for terminal equipment. Compared with traditional hydraulic cylinders and pneumatic cylinders, the electric Industrial Linear Actuator features simpler wiring structure, lower maintenance cost, precise stroke control, low energy consumption and environmental-friendly operation without oil leakage pollution. Sanxing, a professional linear actuator manufacturer with more than 10 years of production experience, has developed a complete FD series electric linear actuator product matrix covering micro light-load, medium-load universal type, heavy-load high-thrust and high-protection waterproof models to meet differentiated demand from small prototype research and development to large-scale industrial assembly line mass application.
Global buyers often face confusion during component procurement: unclear load demand matching, improper protection grade selection leading to early product failure, unreasonable installation size design resulting in equipment assembly failure, and ignoring continuous working cycle parameters causing actuator burnout. This comprehensive Industrial Linear Actuator Selection Guide sorts out core selection dimensions including maximum thrust, protection grade, installation center distance, working duty cycle, operating temperature and customized development support, and conducts targeted comparison for Sanxing classic FD series actuator models, helping industrial purchasers, mechanical engineers, medical equipment designers and automation integrators quickly lock in suitable actuator models and avoid procurement loss caused by parameter mismatch.
For standard industrial automation production lines with fixed stroke and voltage requirements, off-the-shelf Industrial Linear Actuator can realize fast delivery within 3-7 working days; for special equipment with non-standard stroke, special voltage, synchronous control and position feedback requirements, Sanxing supports full customized development from mechanical structure to circuit matching, and can provide official CE certification test reports, dimensional engineering drawings and characteristic curve test data for customers’ product filing and customs clearance.
2. Core Selection Indicators for Industrial Linear Actuator
Before confirming the model of Industrial Linear Actuator, mechanical designers need to clarify six core hard indicators of the terminal equipment, which directly determine the service life and stable operation of the linear actuator in long-term use scenarios. These indicators include maximum push-pull load, no-load and full-load running speed, effective working stroke, minimum installation center distance, environmental protection level and duty cycle working ratio. Each indicator has a clear corresponding adaptation range in Sanxing FD series products, and engineers can complete preliminary model screening through horizontal comparison of parameters.
2.1 Maximum Push and Pull Thrust
Thrust is the most intuitive selection indicator of Industrial Linear Actuator, calculated according to the actual lifting weight of the equipment with a safety margin of 1.2 to 1.5 times reserved to avoid overload operation. The push force of the linear actuator is generally higher than the pull force due to the internal mechanical gear structure design, and the peak thrust of different FD models has obvious gradient division. The FD1 linear actuator is the flagship high-thrust model of the FD series, with a maximum push force up to 8000N and a maximum pull force of 6000N, which can cope with heavy-duty pushing operations such as large mechanical support, hydraulic door replacement and heavy material turnover equipment. The medium-thrust models represented by FD13 and FD15 focus on balanced thrust and waterproof performance, while the miniature FD5 linear actuator is positioned for light-load precision adjustment scenarios. It should be noted that the actual output thrust of all linear actuators will decrease with the increase of running speed, and users can check the Speed VS Load characteristic curve in the product datasheet to confirm the effective thrust under full-load speed.
2.2 Waterproof and Dustproof IP Protection Grade
The working environment determines the selection of IP protection grade for Industrial Linear Actuator. Indoor dry workshop equipment can adopt IP44 and IP54 basic protection models to control procurement cost; workshop with water washing process, outdoor engineering machinery, agricultural spraying equipment and medical beds that need regular disinfection and cleaning must choose IP65 or IP66 fully sealed waterproof actuators to prevent water vapor and dust from entering the motor and gearbox to cause short circuit and gear wear. The FD13 IP66 linear actuator adopts fully sealed shell structure design, reaching IP66 dustproof and waterproof standard, which can resist high-pressure water splashing and outdoor sandstorm erosion, and is the mainstream choice for outdoor industrial automation and waterproof medical care equipment. FD15 is equipped with IP65 protection grade, which balances cost and waterproof ability for semi-outdoor working conditions. FD1 and FD5 use IP44 and IP54 conventional protection respectively, which are cost-effective for indoor closed equipment.
2.3 Working Stroke and Customized Service
Standard stroke of Sanxing FD series Industrial Linear Actuator ranges from 25mm to 1000mm, and all models support non-standard stroke customization according to customer drawings. Too short stroke will fail to meet the equipment action travel demand, while excessive stroke will increase the overall length of the actuator and occupy extra installation space. The minimum installation center distance is matched with the stroke, and engineers need to reserve the installation space according to the parameter “Stroke + fixed value” marked in the datasheet. For medical electric hospital beds, nursing lifting platforms and intelligent rehabilitation equipment, customers often need customized short-stroke low-noise actuators, while industrial turnover equipment prefers long-stroke heavy-thrust customized actuators.
2.4 Duty Cycle and Continuous Working Time
Duty cycle refers to the ratio of continuous working time to intermittent stop time of Industrial Linear Actuator, which is a key indicator to judge the long-term reliability of the actuator. FD1, FD13 and FD15 adopt 10% duty cycle design, that is, stop working for 18 minutes after continuous operation for 2 minutes, suitable for intermittent start-stop industrial equipment such as turnover and positioning; FD5 upgrades the duty cycle to 15%, which can work continuously for 3 minutes with 17 minutes of rest, adapting to slightly frequent adjustment actions of small intelligent equipment. Long-time continuous operation without rest will lead to motor overheating and permanent damage, so customers with continuous operation needs need to put forward heat dissipation optimization requirements in customized orders.
2.5 Operating Temperature Adaptation Range
Sanxing Industrial Linear Actuator has two temperature adaptation ranges. FD1, FD13 and FD15 are adapted to -20°C to +40°C conventional industrial temperature, which can work normally in northern low-temperature factory workshops and southern high-temperature indoor workshops; FD5 expands the operating temperature to -25°C to +65°C, with stronger high-temperature resistance, suitable for small equipment near mechanical heat sources and cold storage low-temperature adjustment equipment.
2.6 Additional Functional Options
Optional functions include Hall sensor position feedback, synchronous linkage control, built-in limit switch and special low-noise modification. Synchronization function is widely used in double-actuator parallel lifting equipment such as medical beds and large lifting platforms to ensure synchronous action of two groups of Industrial Linear Actuator without deviation. Hall sensor can feed back real-time stroke position signal for PLC closed-loop precise control, which is necessary for automatic positioning industrial equipment.
3. Sanxing FD Series Industrial Linear Actuator Model Comparative Analysis
Combined with the official technical datasheet of FD series products, we conduct a comprehensive horizontal comparison of thrust, size, protection grade, service life, noise and applicable scenarios of FD1, FD5, FD13 and FD15 four core models of Industrial Linear Actuator, to help buyers complete rapid model screening according to project positioning.
- FD1 datasheet ALT: Sanxing FD1 Industrial Linear Actuator 8000N High Thrust Electric Actuator Dimension and Parameter Drawing
- FD5 datasheet ALT: Sanxing FD5 Compact Mini Industrial Linear Actuator Long Service Life Small Size Actuator Specification Sheet
- FD13 datasheet ALT: Sanxing FD13 IP66 Waterproof Industrial Linear Actuator 6000N Heavy Duty Actuator Characteristic Curve
- FD15 datasheet ALT: Sanxing FD15 IP65 Waterproof Industrial Linear Actuator Heavy Load Electric Linear Actuator Drawing
3.1 FD1 High Thrust Industrial Linear Actuator

The FD1 model is the top thrust product of Sanxing Industrial Linear Actuator product line, with a maximum push thrust up to 8000N and a pull thrust of 6000N, supporting 12VDC and 24VDC two mainstream DC working voltages for industrial automation control system matching. The no-load running speed can be adjusted from 4mm/s to 35mm/s with different thrust configurations, and the full-load stable speed is maintained between 2.2mm/s and 22mm/s, taking into account both high thrust output and stable operation speed. The internal structure adopts thickened alloy steel gear set and high-torque DC motor, with strong overload resistance, and the built-in limit switch avoids over-travel damage during operation.
The protection grade of FD1 reaches IP44, which is suitable for indoor heavy industrial equipment including large mechanical flipping brackets, factory baffle lifting, heavy mold clamping equipment, agricultural heavy-duty lifting frames and outdoor simple rainproof mechanical supports. The material is composed of aluminum alloy outer tube, engineering plastic rear cover, zinc alloy connector and iron fixed bracket, with strong structural rigidity and anti-vibration ability in harsh industrial working conditions. Optional Hall sensor position feedback and synchronous control function can be added for automatic production line heavy-load positioning equipment.
3.2 FD5 Compact Mini Industrial Linear Actuator

FD5 is the smallest size model in Sanxing Industrial Linear Actuator series, positioning light-load precision adjustment application, the maximum push thrust is 1500N and pull thrust is 1000N, focusing on miniaturization design to adapt to narrow installation space of small equipment. The core advantage of FD5 is the built-in all-metal gear transmission structure, compared with plastic gear actuators of the same grade on the market, the metal gear effectively reduces gear wear during frequent start and stop, greatly extending the overall service life of the Industrial Linear Actuator, and reducing the failure rate of after-sales maintenance for terminal equipment manufacturers.
The obvious disadvantage of FD5 is relatively high operating noise, the noise value is higher than FD13 and FD1 low-noise models, so it is not recommended for silent medical ward equipment, but very suitable for industrial prototype development, small automation fixtures, intelligent cabinet adjustment, agricultural small opening and closing equipment and low-noise-insensitive intelligent mechanical devices. The protection grade is upgraded to IP54, which can resist a small amount of splashing water and floating dust, the duty cycle is optimized to 15%, and the operating temperature range is wider, which is the preferred small-batch test model for R&D engineers. The FD5 mini linear actuator supports customized stroke from 25mm to 1000mm, and the small batch trial order cycle is short for prototype verification.
3.3 FD13 IP66 Waterproof Heavy-Duty Industrial Linear Actuator

FD13 is the star waterproof model of Sanxing Industrial Linear Actuator, with IP66 full sealing protection as the core selling point, maximum push thrust of 6000N and pull thrust of 4000N, perfectly balancing heavy load capacity and waterproof and dustproof performance. IP66 grade can withstand high-pressure water gun flushing and outdoor dust accumulation, so it can work stably in food processing workshop with water cleaning, outdoor construction machinery, seaside salt fog industrial equipment and medical nursing beds that need regular disinfection and water wiping. The noise is controlled below 48dB, which meets the low-noise operation requirement of medical equipment, breaking the limitation that traditional heavy-duty Industrial Linear Actuator cannot be used in medical scenarios.
The minimum installation center distance of FD13 is Stroke +160mm, the built-in limit switch is standard configuration, the duty cycle is 10% intermittent operation, and the color can choose black or gray shell according to the customer’s equipment appearance design. The synchronous linkage function is optional for double-actuator medical bed lifting and outdoor dual-support mechanical equipment, which is the best-selling model in Sanxing’s overseas industrial and medical dual-market shipments.
3.4 FD15 IP65 Waterproof Industrial Linear Actuator

FD15 and FD13 have the same maximum thrust parameter of 6000N push force and 4000N pull force, belonging to medium-heavy load waterproof Industrial Linear Actuator, the difference lies in IP protection grade and structural layout. FD15 adopts IP65 protection design, which can block splashing water and dust, but cannot resist long-term high-pressure water flushing, so it is positioned for semi-outdoor industrial equipment and indoor waterproof medical equipment to control procurement cost compared with IP66 FD13. The running speed is slightly lower than FD13 under the same load, focusing on more stable low-speed heavy-load pushing action.
The shell structure of FD15 is more compact than FD13, the installation bracket is integrated design, which is convenient for customers’ rapid punching and fixing during equipment assembly. It is widely used in industrial workshop semi-outdoor automation supports, rehabilitation auxiliary equipment, agricultural greenhouse sunshade lifting equipment and logistics turnover mechanical adjustment structure.
3.5 FD22 Heavy-Duty Industrial Linear Actuator Supplementary Explanation

FD22 is another heavy thrust model of Sanxing Industrial Linear Actuator series, with the same maximum push thrust of 6000N as FD13 and FD15, adopting split motor structure design, focusing on ultra-long stroke customized industrial equipment and large mechanical lifting projects. FD22 is more inclined to pure industrial heavy-load intermittent operation scenarios, without medical low-noise optimization design, so it is only recommended for factory automation, engineering machinery and mining auxiliary equipment, and is not applicable to medical equipment assembly. Customers with 6000N thrust demand can choose FD13 for waterproof and medical mixed use, FD15 for cost control waterproof use, and FD22 for pure industrial long-stroke heavy-load use according to scene differentiation.
4. Dual-Scenario Application of Industrial Linear Actuator: Industrial Automation & Medical Equipment
Sanxing FD series Industrial Linear Actuator realizes cross-scenario application in industrial manufacturing and medical device industry through differentiated protection grade, noise optimization and functional customization, which greatly improves the product utilization rate for trading companies and equipment integrators, and one model can cover two market channels to reduce inventory pressure.
4.1 Industrial Automation Scenario Application
In the industrial field, Industrial Linear Actuator replaces hydraulic and pneumatic cylinders to realize electric linear action transformation for all kinds of automation equipment. FD1 high-thrust actuator is used for heavy mold opening and closing, production line heavy object turnover, large mechanical outrigger support of engineering vehicles; FD13 IP66 waterproof actuator is used for food machinery water washing station adjustment, outdoor agricultural machinery lifting, port auxiliary mechanical positioning; FD5 miniature actuator is used for automatic fixture clamping of precision processing equipment, electronic product testing jig action, intelligent logistics sorting small push rod; FD15 IP65 actuator is used for workshop dust-proof equipment door opening and closing, greenhouse environmental control adjustment mechanism.
Electric linear actuators have obvious advantages in energy saving compared with hydraulic systems: the motor only consumes electricity when acting, and there is no no-load power consumption of the hydraulic pump for a long time, which helps European and American industrial enterprises reduce production energy consumption and meet EU carbon emission reduction standards. Reference industry energy-saving transformation case data from the official website of European Association of Automation euautomation , the data shows that electric linear actuators can reduce the comprehensive energy consumption of intermittent automation equipment by 35% to 50% compared with hydraulic drive solutions, which is an important procurement consideration for European industrial manufacturers.
4.2 Medical Equipment Scenario Application
Medical equipment puts forward strict requirements for low noise, easy cleaning, stable action and safety of Industrial Linear Actuator. Medical electric hospital beds, nursing home care beds, rehabilitation training lifting platforms and patient transfer trolleys all need linear actuators to complete the angle adjustment of the bed frame and lifting action. FD13 IP66 actuator is the core model for medical use: the fully sealed shell can be directly wiped and disinfected with alcohol and disinfectant without internal circuit damage, the operating noise is lower than 48dB to avoid disturbing patients’ rest, the push-pull force is stable to ensure the safety of bed body lifting, and the synchronous function can realize the balanced lifting of the head and foot ends of the medical bed.
FD5 miniature actuators are used for small rehabilitation equipment, intelligent wheelchair angle adjustment and medical instrument fine-tuning structure; FD1 and FD15 are rarely used in medical scenarios due to high noise or insufficient waterproof performance. Medical device manufacturers need to provide medical certification supporting documents when placing orders, Sanxing can cooperate to issue CE-RED medical auxiliary test reports to meet the EU medical device accessory access requirements. Medical device material safety reference standard document FDA , to ensure that the actuator shell materials meet medical contact safety standards.
5. Customized Development Service for Industrial Linear Actuator
For special industrial and medical equipment with non-standard parameter requirements, Sanxing provides full-process customized development service for Industrial Linear Actuator, covering mechanical structure modification, circuit function upgrade, voltage special customization, appearance color modification and certification matching. The customizable items include special stroke length, 24V to 48V high-voltage DC motor modification, low-noise gearbox optimization for medical use, reinforced waterproof structure for coastal salt fog environment, special mounting connector customization and PLC matching signal feedback function.
The customized development cycle is divided into prototype sample stage and mass production stage: the sample delivery cycle is 7 to 10 working days, and the mass production delivery cycle is 15 to 25 working days according to the order quantity. Sanxing has a professional mechanical design team to provide 2D engineering drawings and 3D model files of customized Industrial Linear Actuator for customers’ structural design verification, and all customized products will conduct continuous aging test before delivery to ensure the consistency of mass production performance. Small-batch customized trial orders are supported to reduce the R&D risk of customers’ new equipment projects.
For overseas brand customers who need OEM and ODM cooperation, Sanxing can print customer brand LOGO on the actuator shell and product datasheet, cancel the Sanxing logo, and provide neutral export packaging to support customers’ independent brand sales. OEM cooperation process reference international OEM production standard process TRADE, standardize the order confirmation, sample confirmation, mass production inspection and delivery links to ensure the compliance of cross-border OEM orders.
6. Installation, Commissioning and Maintenance Tips for Industrial Linear Actuator
Correct installation and daily maintenance can effectively extend the service life of Industrial Linear Actuator and reduce equipment failure downtime. During installation, ensure that the front and rear mounting hinges are on the same straight line to avoid lateral shear force on the actuator push rod during operation, which will lead to bending deformation of the telescopic rod and gear eccentric wear. The wiring needs to match the positive and negative poles of the DC power supply, reversing the positive and negative poles will realize the reverse expansion and contraction of the actuator, and it is forbidden to use high-voltage power supply beyond the rated voltage to connect the motor.
Daily maintenance work is simple: for IP66 and IP65 waterproof models, only need to wipe the shell dust and dirt regularly; for IP44 and IP54 indoor models, avoid dust accumulation at the telescopic rod outlet, and apply a small amount of high-temperature grease for gear lubrication every 6 months of continuous use. It is forbidden to manually push and pull the telescopic rod when the actuator is powered off, which will cause irreversible damage to the internal limit switch and gear structure. If the actuator has no action after power-on, first check whether the power supply voltage is normal and whether the limit switch is triggered to the limit position.
8. Conclusion of Industrial Linear Actuator Selection
This Industrial Linear Actuator Selection Guide systematically sorts out the core selection parameters, model differences, scenario matching, customized services and maintenance precautions of Sanxing FD series products. Buyers can quickly lock the target model according to load weight, working environment, installation space and use scenario: high-thrust industrial heavy-load selection FD1, miniature light-load R&D prototype selection FD5, industrial and medical dual-purpose waterproof selection FD13, cost-effective semi-waterproof heavy-load selection FD15, pure industrial long-stroke heavy-load selection FD22. As a professional Industrial Linear Actuator manufacturer, Sanxing adheres to standard product stable delivery and flexible customized development to provide one-stop linear motion component solutions for global industrial automation integrators, medical equipment manufacturers and mechanical engineering enterprises. For detailed parameter consultation, sample application and mass production quotation, you can contact the overseas sales team for targeted technical support and commercial quotation.
7. FAQ About Industrial Linear Actuator Procurement
Q1: Can the same Industrial Linear Actuator be used for both industrial machinery and medical beds?
A: If waterproofing is not required, both could be used. If you have the requirement about the IP degree, like IP66, only the FD13 actuator could be used.
Q2: Is the thrust marked on the datasheet the actual output thrust of the Industrial Linear Actuator?
A: Yes, it is. But it is generally not recommended to operate at full capacity.
Q3: Can the stroke of the off-the-shelf Industrial Linear Actuator be modified on site?
A: Cannot be modified on site, the stroke is determined by the internal limit switch position, stroke change needs to be completed in the factory customized production link.
Q4: What is the warranty period of Sanxing Industrial Linear Actuator?
A: The whole machine warranty is 12 months, excluding damage caused by overload, wrong wiring and man-made disassembly.
Q5: Does Sanxing provide Datasheet and CAD drawings for Industrial Linear Actuator?
A: Yes, official PDF datasheet, 2D CAD dimension drawings and characteristic curve test reports can be provided for free after confirming the model demand.

