In the field of 3C electronics manufacturing, the magnet pressing process inside tablets (PADs) directly affects the structural strength of the chassis and the accessory attachment experience. As products develop towards thinness and high integration, the precision and consistency requirements for magnet assembly are increasingly elevated, while production lines impose stringent challenges on equipment high speed, high stability, and multi-axis coordination capabilities. The linear modules provided by TOKK adopt a fully enclosed bellows structure, successfully solving the problem of poor pressing caused by foreign matter intrusion in semi-enclosed environments. They have been applied in batches in magnet pressing equipment for multiple brands of tablets, becoming a reliable choice for 3C precision assembly.

01

3C Automated Assembly: High Speed, High Precision, High Stability

The 3C electronics manufacturing industry has extremely strict performance requirements for automated equipment, especially in the internal component assembly of tablets, mainly reflected in the following four aspects:
◼ High Speed: Production line cycle time requirements are high; the motion system needs rapid start-stop and high-speed translation to match mass production needs.
◼ High Precision: Electronic components are tiny, and the magnet pressing position deviation must be controlled within micron-level precision; otherwise, it affects adsorption force and assembly flatness.
◼ High Stability: In mass production, equipment must maintain consistency during long-term continuous operation to avoid batch defects caused by precision drift.
◼ Multi-axis Movement: Magnet pressing involves multiple actions such as picking, positioning, pressing, and holding pressure, often requiring multi-axis coordination to complete complex trajectories.

In the actual production of magnet pressing, a common pain point is: after long-term operation, semi-enclosed modules easily allow dust, debris, and other foreign matter to enter, causing slider jamming, precision degradation, and thereby affecting the stability of pressing force control. TOKK provides an effective solution to this problem.

02

TOKK Linear Module: Fully Enclosed Bellows Type

In PAD magnet pressing equipment, the linear module selected by TOKK is a mature standard product that has been replicated and applied in multiple machines. The core advantage of this module lies in the optimization and upgrading of its structural design.

Pain points of the original solution: semi-enclosed structure easily allows foreign matter
Early equipment used semi-enclosed modules, with guide rails and screws exposed to the working environment. During the magnet pressing process, tiny particles such as glue particles, dust, and metal debris easily fall on the surface of moving parts. As the slider reciprocates, foreign matter is brought into the track interior, causing: increased motion resistance and fluctuating pressing force output; decreased repeat positioning accuracy and magnet position deviation; accelerated guide rail wear, increased maintenance frequency, and even equipment downtime.

TOKK solution: modified bellows type, completely isolating pollution sources
The TOKK linear module is upgraded to a fully enclosed bellows structure, with a retractable bellows protective cover installed on the outside of the guide rail and screw, which expands and contracts with the slider movement, covering the entire motion area. This solution brings three major improvements: physical isolation, effectively blocking external dust and debris from entering the interior of moving parts; stable operation, with constant motion resistance after eliminating foreign matter interference, and stable pressing force output; extended lifespan, reducing wear and corrosion, extending maintenance cycles, and improving overall equipment utilization.

Performance characteristics: adapted to 3C precision assembly requirements
The TOKK linear module adopts high-precision ball screw transmission and linear guide rail guidance, possessing characteristics such as high rigidity and high repeat positioning accuracy, capable of meeting the position accuracy requirements of magnet pressing, while withstanding the vertical reaction force during the pressing process to ensure the pressing head does not deflect. This module is a standard machine that has been replicated in batches, indicating its maturity and reliability have been verified by production lines.

03

Application Value: From Single Machine Stability to Full Line Quality Improvement

The magnet pressing equipment using TOKK bellows-type linear modules has achieved significant benefits in actual production:
Yield improvement: After solving the foreign matter problem, the magnet pressing position accuracy and adsorption force consistency are effectively improved, and assembly yield is significantly increased.
Equipment utilization improvement: Equipment downtime caused by foreign matter is greatly reduced, maintenance intervals are extended, and overall equipment efficiency is improved.
Maintenance cost reduction: The lifespan of guide rails and screws is extended, spare parts replacement frequency is reduced, and annual maintenance costs are decreased.
Rapid replication: Standardized models require no repeated design and can be directly purchased in batches, shortening the delivery cycle of new equipment.

This solution is not only suitable for tablet magnet pressing but can also be extended to similar scenarios such as smartphone mid-frame magnet assembly and precision electronic component positioning and pressing, particularly suitable for 3C automated production lines requiring dust prevention, high precision, and high stability.

04

Small Module, Big Assurance

From semi-enclosed to fully enclosed, what appears to be a simple structural improvement plays a decisive role in 3C precision assembly. TOKK linear modules solve the industry pain point of foreign matter intrusion with a bellows design. Combined with a high-rigidity structure and high repeat positioning accuracy, they provide a stable and reliable motion core for PAD magnet pressing equipment. In the future, TOKK will continue to deepen its presence in the 3C electronics automation field, with a more complete product matrix, helping Chinese manufacturing achieve high-precision, high-efficiency, and high-stability intelligent upgrading.

As consumers' demands for image quality, performance, and quality of intelligent display terminal products continue to upgrade, mobile phones, tablets, and automotive displays are developing towards thinner, more reliable, and more diverse forms. This places higher demands on the manufacturing of intelligent display terminal products. During production, intelligent display terminal products feature high precision, multiple models, and complex structures. How to use precision assembly and testing technology is a key link in ensuring production yield and product quality.

Against this backdrop, we are newly launching the Tech Workshop: 2026 Intelligent Display Terminal Assembly & Testing Conference, focusing on various intelligent display terminal products such as mobile phones, tablets, automotive displays, and outdoor interactive control screens, to explore automated assembly processes and online testing technologies for multi-form displays, focusing on technologies such as precision dispensing, AI visual inspection, robotic automation applications, and magnetic drive conveying, to address the process innovation and manufacturing challenges brought by the explosive growth of intelligent display terminal products.

The Tech Workshop adopts a new model of presentation + exhibition, breaking the traditional conference format to create an immersive technical discussion experience. The open special sessions have received enthusiastic responses, with a strong on-site exchange atmosphere. The Tech Workshop focuses on segmented industries, led by top technical suppliers in the field and terminal product manufacturing experts, providing ready-to-use solutions through case analysis, practical deduction, and interactive Q&A.

As a premier event in the intelligent assembly and automation industry, AHTE is committed to building a cross-border empowerment platform for high-end intelligent automated manufacturing driven by "new quality productive forces." It is dedicated to enhancing the resilience of China's supply chain, empowering the world with technology, and offering a one-stop gathering of global advanced manufacturing and assembly testing solutions, helping you carry out global sourcing and supply chain optimization and restructuring to achieve cost reduction and efficiency enhancement.

Looking forward to meeting you again around the world——

Guangzhou · Oct 23-25 —— 2026 Guangzhou Automotive Productivity Conference

Shenzhen · Oct 27-28 —— Tech Workshop: 2026 Intelligent Display Terminal Assembly & Testing Conference

Bangkok · Nov 18-21 —— Thailand Automotive Engineering & Automation Industry Tour

Hefei · Nov 27 —— 2026 Air Conditioning Assembly & Testing Conference

Shanghai · July 7-9, 2027—— AHTE 2027 | The 20th Shanghai International Assembly & Handling Technology Exhibition

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