The service life of Evo-Tech rigid chains is ensured by a combination of multiple technological advantages; some product series can withstand up to 1 million reciprocating cycles. Its longevity is primarily reflected in the following core dimensions:
Materials and Process Assurance;
Structural design optimization;
Enhanced environmental adaptability;
Maintainability Support

Evo-Tech rigid chains feature arbitrary stop-position functionality, high positioning accuracy, and rapid response, making them suitable for multi-station, multi-cycle scenarios. To achieve millimeter-level precision control, it is recommended to prioritize the use of servo motor closed-loop systems that provide real-time feedback on position and speed. If cost considerations are a priority, a three-phase induction motor paired with a high-precision rotary encoder can be employed, with speed control via a frequency inverter and position closed-loop control, also achieving a repeat positioning accuracy within ±1 mm.

Evo-Tech rigid chains offer repeat positioning accuracy of ±0.2 mm, meeting the stringent requirements of high-cycle, multi-station automated production lines for precise and consistent stopping. The chain body is made from high-strength alloy steel, featuring minimal pitch errors and exceptional inherent rigidity; ultimately, the precision performance depends primarily on the drive unit. When equipped with high-resolution absolute-value servo motors, the repeat positioning error can be consistently kept within the standard tolerance range. Alternatively, by using a three-phase motor paired with an incremental encoder system and employing microstepping technology, comparable precision can also be achieved.

During vertical lifting, Evo-Tech rigid chains allow linear deviations of millimeter-level per meter of travel, with a total cumulative deviation not exceeding twenty millimeters over the entire stroke. This specification comprehensively takes into account factors such as chain pitch, rail straightness, and temperature rise effects. In actual operation, by pre-tightening the guide grooves and using adjustable support brackets, the errors can be kept within the allowable range without the need for additional compensation mechanisms, thus meeting the operational requirements of most high-cycle automated production lines for smooth and precise lifting.

Evo-Tech provides comprehensive installation, commissioning guidance, and technical support services. For standard products, we offer detailed installation manuals and video tutorials. For customized projects or large-scale systems, we can, as stipulated in the contract, dispatch professional technicians to your site to provide installation guidance, commissioning assistance, and operator training, ensuring that your equipment is smoothly put into operation.
 

Absolutely. Evo-Tech has extensive experience in special environmental applications. We can adapt rigid chain systems to various harsh operating conditions by selecting high-temperature and corrosion-resistant materials (such as stainless steel and special alloys), employing specialized surface treatment processes, installing dust covers or protective shields, and optimizing sealing designs. When you consult with us, please provide detailed information about your environmental conditions, and our engineers will tailor a solution specifically for your needs.
 

The service life of Evo-Tech rigid chains is closely related to their material, heat treatment process, load conditions, operating frequency, maintenance status, and working environment. Under normal use and with regular maintenance, the core components typically have a service life ranging from tens of thousands to hundreds of thousands of hours. We will provide an estimated service life assessment tailored to your specific application. Daily maintenance should primarily focus on:

• Regular lubrication: Clean and lubricate moving parts such as chain joints according to the instructions.
• Tightening inspection: Regularly check whether all connecting bolts are loose and tighten them promptly if necessary.
• Clean foreign objects: Keep the chain and guiding components clean to prevent foreign objects from getting stuck.
• Operation Monitoring: Pay attention to any abnormal conditions during operation, such as unusual noises or temperature rises. If any issues are detected, immediately stop the machine for inspection and contact the Evo-Tech service team.

To provide a precise, customized solution, we typically require customers to provide:

• Basic functional requirements (vertical lifting / horizontal pushing and pulling / suspension / composite motion);
• Load weight and center of gravity location;
• Travel range (lift/raise/push/pull distance);
• Operating speed and acceleration requirements;
• Positioning accuracy and repeatability requirements;
• Installation space limitations (length, width, height);
• Working environment (temperature, humidity, dust, corrosive gases, etc.);
• Power supply method and control signal requirements;

Expected service life and maintenance cycle requirements. The customization cycle depends on the complexity of the solution and product specifications; generally, from initial scheme design to final product delivery, it can range from a few weeks to several months. We will clearly define key milestones with you at the early stage of the project and do our utmost to meet your project schedule requirements.

The Evo-Tech rigid chain system has the following significant advantages:

• High rigidity and high load capacity: Under the same volume, it can deliver greater driving force and load-bearing capability.
• Compact structure: Particularly when lifting vertically, it features a large extension/contraction ratio, saving installation space.
• Low maintenance costs: The structure is relatively simple, with few moving parts, minimal wear and tear, and a long maintenance cycle.
• Controllable precision: With proper design and control, high positioning accuracy and repeatable positioning accuracy can be achieved.
• Strong environmental adaptability: Customizable features such as dustproof, waterproof, and corrosion-resistant capabilities ensure suitability for harsh operating conditions.

High energy efficiency ratio: Direct drive results in minimal energy loss, with particularly significant advantages when maintaining vertical loads. The specific selection should be based on a comprehensive assessment of your actual operating conditions. Our experts would be happy to provide you with a detailed comparative analysis.
 

The standard model of Evo-Tech rigid chain does not include a mechanical self-locking mechanism; therefore, under power failure, the load may slide down. If you need to maintain the load in a suspended position, you must select a worm gear reducer with bidirectional self-locking at the drive end or add an additional brake. The selection must be matched to the load and speed. Please submit the operating condition parameters, installation method, and required hold-time during power failure to our technical support team. We will provide a complete solution that includes torque verification, braking capacity, and wiring diagrams to ensure system safety.

The standard model of Evo-Tech rigid chains is delivered from the factory without any integrated braking devices, and the chain itself does not feature a mechanical self-locking mechanism. If the load needs to be suspended or brought to an emergency stop, a hydraulic brake must be externally connected to the drive unit side; reliable braking is achieved by releasing pressure in the normally closed oil circuit to engage the brake.

The Evo-Tech rigid-link chain features high-strength alloy steel pins and teeth that provide excellent impact resistance and wear resistance. The chain itself has no special limitations regarding frequent starts and stops. The actual allowable start-up frequency depends on the thermal capacity of the drive motor, the lubrication method of the gearbox, and the heat dissipation capability of the brake. It is recommended to calculate the equivalent current and temperature rise of the motor based on the load cycle diagram. If necessary, install forced cooling or increase the power rating to ensure continuous and reliable operation under all operating conditions.

When multiple rigid chains are linked and operated in tandem, the primary requirement is to ensure synchronous control: All drives must be connected to the same bus and configured using a master-slave or virtual master-axis approach, enabling real-time exchange of position, velocity, and torque data. The periodic error must be less than half the chain pitch. Secondly, it’s crucial to strictly control uneven loading: Before installation, uniformly calibrate the zero points, and use a laser level to verify the straightness of the guide rails.

The maximum stroke indicated in the load table represents the ultimate stroke allowable for this model under its rated operating conditions. This value has been comprehensively determined by taking into account factors such as chain strength, rail stiffness, and thermal expansion. Exceeding this value may result in a reduced safety factor, increased risk of resonance, and potentially trigger limit-switch protection shutdowns. If your project indeed requires a longer stroke, please be sure to first submit the load, speed, cycle time, and environmental parameters to our company’s Technical Department. We will evaluate, based on actual measurement data, whether it is feasible to customize an enhanced rail, add intermediate supports, or adopt a dual-chain synchronization solution. We will then provide you with a new load curve and installation drawings to ensure the system remains safe and reliable throughout its entire service life.

In addition to the standard load table, extended stroke lengths can be provided upon request. However, this may require recalculating the load curve, adding intermediate supports, or switching to enhanced guide rails, and could also impose limitations on speed and cycle time. Please provide our technical department with information on stroke length, load capacity, usage frequency, and installation method. We will then prepare a verification report and a customized solution. Production will only proceed after we confirm the feasibility of your requirements.

The operating noise of Evo-Tech rigid chains under rated conditions ranges from 45 to 80 dB(A), with the value varying in tandem with the chain’s linear speed and the number of layers in the housing: at low speeds and single-layer configurations, the noise level is closer to the lower limit; at high speeds and multi-layer configurations, it approaches the upper limit. If the site is sensitive to noise, please contact our technical staff for customized solutions.

Evo-Tech rigid chains are driven by DC motors. Simply match the DC motor with the appropriate voltage level and power, and use a gearbox to reduce speed and increase torque to meet load requirements. The DC solution is ideal for battery-powered applications or scenarios requiring stepless speed regulation. However, please note: prolonged operation at full load necessitates the installation of a cooling fan; emergency stop or power-off holding functions require an additional brake; and if closed-loop positioning is needed, an encoder feedback device can be added.

Evo-Tech rigid chains can be specially customized according to requirements for cross-sectional dimensions, stroke, mounting interfaces, and protection ratings. Please submit the load, speed, space constraints, and environmental parameters to our company; our technical service personnel can provide 3D models, load verification, and delivery timelines.

Evo-Tech standard lifting chains prioritize resistance to compression, retaining only a certain percentage of tensile margin relative to the rated load, which is used to counteract inertia or minor reverse forces. If the operating conditions require continuous tension, frequent pushing and pulling, or vertical lifting, it is essential to select specially designed tensile-rated models: Evo-Tech push-pull chains feature a bi-directional meshing tooth profile, with tensile strength equivalent to their compressive strength. Please provide information on the direction, peak value, and frequency of the tensile force; our technical department will match the appropriate model and issue a detailed calculation report to ensure safety and reliability throughout the entire service life.

Evo-Tech offers a mature series of vertical pin-tooth lifting chains: one features a compact vertical housing with the motor and gearbox arranged vertically, occupying minimal space and easy to integrate; the other comes with built-in rails, allowing the chain to move up and down along a closed track without the need for additional guides, making installation and commissioning faster. Both designs maintain high rigidity and low backlash in the pin-tooth mechanism, and can be customized according to load, stroke, and space constraints.