NewBee Machinery is a professional machinery parts manufacturer providing high quality precision bearings, high-quality non-standard transmission components, and intelligent CNC equipment and more.
NewBee Machinery is a professional machinery parts manufacturer providing high quality precision bearings, high-quality non-standard transmission components, and intelligent CNC equipment and more.
Heavy robot arm shoulder and elbow joints are the core rotary executing components of large payload industrial robots,widely used in automotive welding production lines,automatic palletizing,foundry handling,heavy metallurgical transfer and engineering machinery robotic equipment.These joints bear complex dynamic loads including the self-weight of long robotic arms,heavy workpiece payload,alternating impact load from frequent start-stop and swing motion.In most structural designs,the joint main shaft is pre-installed with gears,synchronous pulleys and reducers before bearing assembly,which brings great difficulty to traditional integral bearing installation.Meanwhile,harsh workshop environments filled with metal dust,splash and high temperature put forward strict requirements on bearing loading capacity,rigidity,precision and environmental adaptability.Stable rotation and excellent anti-deformation performance of bearings directly decide the repeated positioning accuracy and continuous operation reliability of heavy robotic arms.
Multi-Directional Load Capacity:Unlike standard ball bearings,the crossed arrangement empowers the RB series to accommodate loads from all directions at once.
High Rigidity and Precision:The integration of a preload adjusts the bearing clearance,eliminating internal gaps and allowing for high rotational accuracy and minimal deformation under heavy loads.
Compact Space-Saving Profile:Because one crossed bearing replaces multiple conventional ball or roller bearings,they are exceptionally well-suited for tight,space-constrained assemblies.
Smooth Rotation:Spacer retainers separate the rollers,preventing them from skewing and eliminating friction between rolling elements for a stable,low-torque motion.
Industrial Robotics & Automation:Used in basic motion parts like rotary joints,waists,and wrists for smooth and precise motion control.
Precision Machine Tools:Utilized in the rotating tables of machining centers,rotary units of manipulators,and indexing heads to handle heavy,spinning components.
Medical Equipment:Deployed in sophisticated imaging components like MRI machines,CT scanners,and surgical robots to provide smooth,accurate,and vibration-free movement.
Semiconductor & IC Manufacturing:Provide micron-scale accuracy for wafer handling equipment,photolithography machines,and cleanroom pick-and-place systems.
Optical & Measuring Instruments:Essential for the tracking accuracy of astronomical telescopes,radar antennas,and Coordinate Measuring Machines (CMM).
RB crossed roller bearings act as irreplaceable core rotary supports of heavy robot shoulder and elbow joints,dominating robotic arm positioning accuracy,load resistance and long-term operational stability.
Split Outer Ring Solves Difficult On-site Assembly Problem:Different from integral bearings,separable outer ring enables bearing installation directly on pre-equipped main shaft with gears and reducers,avoiding disassembly of pre-mounted transmission parts and drastically shortening robot assembly cycle and labor cost.
High Composite Bearing Capacity Handles Complex Variable Loads Single:RB bearing replaces multiple sets of ordinary bearings to bear workpiece weight radial load,arm self-weight axial load and swing overturning moment synchronously,simplifying joint mechanical structure and lowering whole arm dead load.
Ultra-high Rigidity Restrains Dynamic Vibration & Deformation:Strong structural rigidity offsets deformation caused by sudden start-stop impact and overweight payload during high-speed swinging,avoiding positioning drift or workpiece falling off during heavy material handling.
High Precision Guarantees Long-term Repeated Position Accuracy:P4/P2 precision grade controls tiny rotational runout to keep consistent repeated positioning tolerance of robotic joints,ensuring stable production precision for automated welding and palletizing lines.
Diversified Sealing & Material Options Adapt Harsh Production:Workshop UU double rubber sealing effectively blocks iron powder,welding spatter and workshop dust;SUS440C stainless steel customized version can resist moisture and chemical corrosion for special working conditions.
Excellent Durability Reduces Equipment Downtime:Surface-hardened bearing components boost fatigue resistance to support 24-hour non-stop continuous operation of heavy robots,decreasing regular maintenance frequency and improving overall production efficiency.
Newbeetrans is a professional RB crossed roller bearing manufacturer,providing customized bearing solutions tailored for heavy robot arm shoulder & elbow joints and various heavy-load precision machinery.
Robot-Oriented Customization:Custom-design zero-backlash,high-rigidity RB bearings with special anti-dust sealing,food/industrial special grease and full stainless steel material as required;customized samples can be finished within 10–15 days.
Precision Manufacturing Process:All raceways and rollers adopt super-fine grinding to realize P5/P4/P2 high precision with strict full-inspection on critical dimensions;
Fast Global Delivery:Standard in-stock RB models can be dispatched quickly;global multi-channel logistics service is available for worldwide clients.
Authoritative Quality Certification:Products comply with ISO 9001 and GB/T 307.1 national bearing standard,and official SGS inspection reports can be provided upon request.
For technical specifications,pricing,or custom bearing solutions:
Email:paul@newbeetrans.com
Website:www.newbeetrans.com
WhatsApp
sales@newbeetrans.com
+8615090185276