BVI-03-78

High-Volume Production Engineering

• Multi-support cardan shaft specialization– Engineered specifically for serial production balancing of two-, three-, and four-bearing cardan shafts up to 4200 mm long weighing 5-150 kg. The machine accommodates complex multi-bearing drive shaft configurations commonly used in commercial vehicles, industrial equipment, and heavy machinery applications.
• Simultaneous multi-plane measurement– Performs automatic unbalance measurement in 2, 3, or 4 correction planes simultaneously with cycle times of 11-25 seconds including acceleration and deceleration. This parallel processing capability maximizes production throughput while ensuring comprehensive balancing across all critical shaft sections.
• High-speed production operation– Operating speed range of 400-4000 rpm with 5 g·mm/kg balancing accuracy optimized for production efficiency while maintaining quality standards. The extended speed range accommodates various shaft designs and production requirements for maximum manufacturing flexibility.

Advanced Automatic Clamping Systems

• Pneumo-mechanical chuck automation– Features automatic pneumatic clamping of cardan flanges with universal cam adapters, eliminating manual setup time and ensuring consistent clamping force. The automatic system accommodates flange sizes up to 125 mm with centering adapters manufactured per specification for each flange configuration.
• Movable support positioning– Right spindle support and intermediate supports equipped with ball guide movement mechanisms for precise positioning during shaft installation and removal. The adjustable support system automatically accommodates 3- and 4-support cardan shaft designs of any configuration within machine dimensional limits.
• Automatic rotational positioning– Integrated automatic rotation to welding positions for each correction plane activated by button press at corresponding support locations. This automation eliminates manual shaft positioning and ensures precise correction weight placement for optimal balancing results.

Integrated Correction Welding System

• Contact welding correction stations– Multiple welding stations with contact welding tongs corresponding to the number of correction points eliminate unbalance by welding corrective weight plates directly during the balancing cycle. The integrated correction capability eliminates external welding operations and maintains shaft positioning accuracy.
• Real-time correction execution– PAK-4 balancing system controls automatic positioning and welding operations in real-time, enabling complete balancing and correction in a single machine cycle. This integration maximizes production efficiency while ensuring precise correction weight placement and verification.
• Welding safety interlocks– Automatic blocking prevents spindle rotation during welding operations and when welding tongs are extended, ensuring operator safety and equipment protection. The interlock system prevents accidental shaft movement during critical correction procedures.

Comprehensive Safety Systems

• Pneumatic protective brackets– Equipped with pneumatically-operated protective brackets designed to prevent shaft and component ejection in case of hinge or spline connection failure during high-speed operation. This safety feature protects operators and equipment from potentially dangerous shaft component separation.
• Sectional protective guarding– Complete sectional guard system protects against ejection of poorly secured correction weights, bearing grease, and other debris during shaft rotation. The guard system includes automatic rotation blocking when guards are not properly closed, ensuring complete operator protection.
• Multiple safety interlocks– Comprehensive interlock system prevents spindle rotation during fixture clamping, welding operations, and when protective guards are open. The multi-level safety approach ensures secure operation in high-volume production environments with multiple operators.

Production-Optimized Control Systems

• PAK-4 specialized software– Balancing system specifically designed for cardan shaft applications with automatic and manual operating modes for production flexibility. The automatic mode completes measurements independently, allowing operators to perform auxiliary operations such as load preparation for increased productivity.
• Industrial documentation capabilities– Integrated protocol printing via laser printer connected through USB port, with data recording on USB flash drives or Ethernet transfer capabilities. The comprehensive documentation supports quality control requirements and production traceability in manufacturing environments.
• Frequency-controlled drive system– Asynchronous electric drive with stepless speed control enables optimal balancing mode selection without motor shutdown while providing precise positioning for correction welding operations. The variable frequency control ensures smooth operation across the complete speed range.

Manufacturing Integration Features

• Compact production footprint– Machine weight not exceeding 1900 kg (excluding base cabinet) with efficient space utilization for integration into production lines. The compact design maximizes functionality while fitting standard manufacturing floor space allocations.
• Pre-resonant measurement stability– Pre-resonant machine design provides stable, accurate measurements despite the variable loading and high-speed operation typical of production environments. The design ensures consistent measurement quality regardless of production volume fluctuations.
• Calibration weight system– Three-run calibration method using calibration weights enables operator-performed system verification and adjustment, maintaining production uptime without external service requirements. The standardized calibration approach ensures consistent measurement accuracy across production shifts.