Core Fastening and Connection Solutions
High-Strength Anti-loosening Screws
Alloy steel Grade 12.9/14.9 high-strength, anti-loosening, and anti-corrosion screws utilize special threading and surface treatments to save space and enhance reliability. Titanium and aluminum alloy screws enable lightweighting while addressing galvanic corrosion issues in magnesium alloy connections.
Shoulder Screws & Rod-end Bearings
Shoulder screws fulfill the triple functions of connection, positioning, and rotational support, serving as core components for high-precision robotic motion. Rod-end bearings are utilized for flexible articulation between linear actuators and linkages, supporting biomimetic movement.
Thread Reinforcement for Light Alloys（Wire Thread Insert）
Used to reinforce threaded connections in lightweight magnesium and aluminum structural components of robots, these inserts prevent thread stripping, enhance connection strength, and extend service life. They are widely applied in the primary load-bearing structures of the torso, arms, and legs.
Anti-loosening Washers
Core anti-loosening fasteners for robotic joints and transmission systems. Available in carbon steel, stainless steel, and high-strength alloy steel to withstand high-frequency vibration while meeting high-precision and long-service-life requirements. Designed for use in core joints (hip, knee, shoulder) and precision modules.
Industry Challenges
Project Cycle Cost Influence Model
The primary R&D challenge in modern industry is that early-phase strategic decisions lock in most expenditures despite a limited time window. Conversely, the cost of rectification in later stages is extremely high, leading to a significant disproportion between risk exposure and potential gains.
15-85 Law
An over-focus on explicit procurement costs leads to the neglect of hidden costs—which account for 85% of the total. This lack of systematic coordination across design, supply chain, and after-sales service significantly inflates the Total Cost of Ownership (TCO) across the entire product lifecycle.
YF Zhichengjia | Innovation Leader in the Fastener Industry
YF Zhichengjia is a total cost optimization expert from prototyping to after-sales, providing end-to-end fastening technology support and product services for humanoid robot applications and embodied intelligence equipment.
Six Professional Services of YF Zhichengjia
Professional training
Professional design consultation
Rapid Prototypes
Professional testing
Professional disassembly analysis
Continuous process optimization