シグマ電子工業 List of Products and Services

The "Field Balancer" is a portable measuring device that measures unbalanced vibrations by attaching vibration sensors and rotation sensors to rotating machinery. It calculates the amount of unbalance at various positions and allows for balance correction. By correcting the balance, vibrations are reduced, enabling smooth and quiet rotation. 【Technical Documentation Available】 We are currently providing technical documentation that details preliminary knowledge of vibrations generated by rotating machinery, methods for balance correction using this product, and important points for effective use. 【Remote Demo and Rental of Demo Units】 You can view the procedure for balance correction remotely using our equipment. Additionally, you can rent our product for free for two days to experience balance correction. Please apply through the URL below or feel free to contact us.

• Other measurement, recording and measuring instruments

The "SB-7707RB Series" is a battery-powered field balancer for elastic rotors that incorporates a multi-speed and multi-surface method. By adopting our unique "multi-speed and multi-surface measurement" method, it reduces vibrations across the entire range at any rotational speed (number of measurement surfaces: 1 to 4). Its compact and lightweight design makes it convenient for transportation during business trips or within factories. 【Features】 ■ Capable of balancing rigid and elastic rotors ■ Reduces the hassle of adjusting correction weights ■ Pass/fail judgment function based on JIS B 0905 ■ Choice of CCLD type or charge type sensors ■ Easy report creation and management of measurement data ■ Convenient battery-powered design for portability *For more details, please refer to the PDF materials or feel free to contact us.

• Testing Equipment and Devices
• Analytical Equipment and Devices

The "SB-7705R Series" is a field balancer for elastic rotors that incorporates a multi-speed and multi-surface method to suppress higher-order bending mode imbalance vibrations generated by high-speed spindles. It successfully reduces three-dimensional (XYZ direction) vibrations across the entire operating speed range. Additionally, it is equipped with basic frequency analysis and bearing diagnostic functions, making it easy to detect damage to the inner ring, outer ring, cage, and rolling elements of bearings. 【Features】 ■ Measurement speed is approximately twice as fast, with accuracy about five times greater (compared to our company) ■ Capable of balancing both rigid and elastic rotors ■ Simultaneously suppresses vibrations in three directions (XYZ direction) ■ Easy report creation and measurement data management ■ CE marking and RoHS compliant *For more details, please refer to the PDF materials or feel free to contact us.

• Testing Equipment and Devices
• Analytical Equipment and Devices

The "SB-8806RB Series" is a lightweight and compact field balancer for general rotating bodies/precision grinding machines that operates on battery power. Sigma's balance measuring instrument boasts ease of use and high precision, achieving both high versatility and a compact body. It can operate continuously for 8 hours on battery power, making it convenient for transportation within the factory. 【Features】 ■ Battery-powered ■ Reduces the hassle of adjusting correction weights ■ Pass/fail judgment function according to JIS B 0905 ■ Option to choose between CCLD type/electrical charge type sensors ■ Equipped with a USB port ■ High precision with a resolution of 0.001μm up to 400,000 min–1 ■ Ability to save screen data as photo files on microSD ■ Optional overall vibration meter and FFT analyzer can be installed *For more details, please refer to the PDF materials or feel free to contact us.

• Testing Equipment and Devices
• Analytical Equipment and Devices

The "SB-8001 Series" is a field balancer for precision grinding machines that measures while rotating the grinding wheel on the machine, allowing for the correction of imbalance not only in the grinding wheel itself but also in the entire grinding wheel spindle system. By suppressing the imbalance of the grinding wheel spindle system, it stabilizes grinding resistance, leading to improved surface quality, extended machine lifespan, and reduced grinding wheel wear. 【Features】 ■ Stabilizes grinding resistance by suppressing the imbalance of the grinding wheel ■ Reduces grinding resistance, improving surface roughness and enhancing machining accuracy ■ Extremely high measurement accuracy ■ Simultaneous display of phase and amplitude ■ Enables speedy and accurate corrections *For more details, please refer to the PDF document or feel free to contact us.

• Testing Equipment and Devices
• Analytical Equipment and Devices

The "SB-8000 Series" is a field balancer designed for general rotating bodies/precision grinding machines, thoroughly pursuing ease of use and compact size. It demonstrates particularly high performance at high rotational speeds. It is suitable for balancing high-speed slicers, machine tool spindles, high-speed spindle motors, centrifuges, blowers, and more. You can choose from three types according to your needs. 【Features】 ■ Extremely high measurement accuracy ■ Displays phase and amplitude up to two surfaces ■ Enables speedy and accurate corrections ■ Capable of correcting high-speed rotating machinery ■ Equipped with a USB port *For more details, please refer to the PDF materials or feel free to contact us.

• Testing Equipment and Devices
• Analytical Equipment and Devices

This document presents the lineup of balancing test machines manufactured by our company. We offer portable "Field Balancers" that include battery-operated and low-cost types, as well as "Vertical and Horizontal Balancing Test Machines" capable of measuring 1 to 4 surfaces, and "Dedicated Machines" that can perform everything from measurement to correction processing fully automatically. By adopting multivariate analysis methods, we achieve high-precision measurements from low-speed to ultra-high-speed rotation ranges, providing products that contribute to efficient balancing. 【Featured Products (excerpt)】 ■ Field Balancer for Elastic Rotors ■ Vertical 2-Surface Balancing Test Machine ■ Horizontal 4-Surface Balancing Test Machine ■ Fully Automatic Balancing Correction Machine for Pump Impellers *You can view a digest version from the "PDF Download." If you would like the complete version, please feel free to contact us.

• Testing Equipment and Devices

In this document, you can view our lineup of vibration measurement equipment that is useful for condition monitoring of machine tools, fans, blowers, and pumps. We feature a "Condition Monitoring Meter" that supports temperature and current monitoring in addition to vibration, as well as a "Vibration Monitoring Meter" that monitors vibrations from 0.1Hz to 1kHz using a 3-axis sensor. If you are struggling with maintaining the performance of machine tools and equipment, please take a look. 【Main Featured Products】 ■ 6-channel Switching Type Condition Monitoring Meter "CM-3001 Series" ■ 1-channel and 2-channel Vibration Meters "VM Series" *You can view the document from "PDF Download." Feel free to contact us with any inquiries.

• others

Vibration monitoring of grinding wheel, detection of tool chipping in machine tools, monitoring and trend management of blowers and fans, etc. 【Features】 〇 IoT compatible. By utilizing existing LAN, measurement data can be transferred to a PC. 〇 With the data logging function, measurement and analysis data can be saved to a microSD card. ◯ With rich vibration monitoring options such as overall vibration monitoring, frequency band monitoring, and unbalance vibration monitoring, you can select the most suitable monitoring for the target equipment. ● For more details, please contact us or download the catalog (digest version). (See details)

• Data Logger
• Analytical Equipment and Devices

The "VM Series" is a battery-operated handheld vibration meter designed for simple diagnostics. It is compact and lightweight, making it easy to carry, and it simultaneously measures and records acceleration, velocity, and displacement. We offer a lightweight 1-channel model "VM-1001H/S" and a 2-channel model "VM-2001" that can simultaneously measure and display on a large screen. 【Features (VM-1001H/S)】 ■ Compact and lightweight 3.5-inch LCD screen ■ Simple 1-channel measurement type ■ Frequency analysis function included (available in H model) ■ Capable of recording vibration waveforms using time waveform function (available in H model) ■ Bearing diagnostics possible by setting bearing specifications (available in H model) *For more details, please refer to the PDF document or feel free to contact us.

• Vibration Testing
• Vibration Inspection

This technical document introduces a new balancing correction method for high-speed spindles. In February 2002, we successfully commercialized the "Field Balancer" incorporating the multi-speed and multi-plane method. As a result, we reduced vibrations across the entire operating range to less than one-fifth of that achieved by conventional technology, and further shortened the balancing time to less than one-eighth. Here, we will discuss the effectiveness of the multi-speed and multi-plane method and provide application examples. [Contents (partial)] ■1. Introduction ■2. Classification of Rotors ■3. In high-speed rotation, rigid rotors transform into elastic rotors ■4. Dangerous speeds of elastic rotors and their drawbacks ■5. Conventional balancing correction methods *For more details, please refer to the PDF document or feel free to contact us.

• others

This technical document introduces balancing tests and balancing test machines. It explains the realities of balancing high-speed rotating bodies, the advantages and disadvantages of horizontal soft-type balancing test machines, and field balancing, all in 77 pages. 【Contents (partial)】 ■ Imbalance generates centrifugal force when rotating ■ Effects of imbalance on rotating machinery ■ Causes of imbalance ■ Workpieces undergoing balancing ■ Methods of balancing *For more details, please refer to the PDF document or feel free to contact us.

• others

This technical document introduces the measurement and correction of imbalance in rotating bodies. It explains the causes of imbalance, the three major causes of imbalance, and the definition of balancing accuracy, using diagrams and formulas over a total of 63 pages. 【Contents (partial)】 ■1. Introduction ■2. What is imbalance? ■3. Causes of imbalance ■4. Three major causes of imbalance ・4-1 Defects in design ・4-2 Defects in materials ・4-3 Defects during manufacturing or assembly *For more details, please refer to the PDF document or feel free to contact us.

• others

This technical document introduces preliminary knowledge about field balancing. It includes precautions for handling piezoelectric accelerometers, methods for selecting balancing techniques and correction factors, and a list of field balancers offered by our company. [Contents (partial)] ■1. Introduction 　・1-1 Preliminary knowledge of mechanical vibrations 　・1-2 Precautions for handling piezoelectric accelerometers 　・1-3 Considerations when installing rotational sensors ■2. Investigating the target machine before balance correction 　・2-1 Considerations for balancing rotating machinery with rotational irregularities 　・2-2 Analysis of unbalanced vibrations 　・2-3 Harmonic vibration analysis 　・2-4 Multi-speed analysis 　・2-5 Frequency analysis using FFT *For more details, please refer to the PDF document or feel free to contact us.

• others

This technical document introduces methods for reducing vibrations during the machining of irregularly shaped objects. It explains the issues related to machining irregularly shaped objects, the necessary preparations for field balancing, and methods for balance correction. *For more details, please refer to the PDF document or feel free to contact us.*

• others

This technical document introduces vibration meters. It covers topics such as the "resonance phenomenon," which is a type of vibration trouble, as well as the basic knowledge necessary for vibration measurement and the essential specifications required for vibration meters used in machine vibration evaluation, all presented in 33 pages. It serves as a useful guide for effectively utilizing vibration meters. [Contents] ■ Why measure vibration? ■ Vibration troubles: "Resonance phenomenon" ■ "Forced vibration" and "Self-excited vibration" ■ From "vibration measurement" to "vibration countermeasures" ■ Basic knowledge necessary for vibration measurement ■ Let's find the optimal vibration meter ■ What constitutes a desirable vibration meter ■ Desirable vibration meters *For more details, please refer to the PDF document or feel free to contact us.

• others

This technical document introduces a new balance correction method for high-speed spindles (multi-speed, multi-surface method). It discusses the effectiveness and impact of the multi-speed, multi-surface method based on case studies, as well as explaining the classification of rotors, which is a crucial point for balancing rotating bodies (rotors), and the concept of critical speed. 【Contents】 ■1. Introduction ■2. Rotors and Critical Speed ■3. Conventional Balance Correction Methods ■4. Development of the Multi-Speed, Multi-Surface Method ■5. Field Balancer for Elastic Rotors ■6. Conclusion ■7. References *For more details, please refer to the PDF document or feel free to contact us.

• others

The "SSV2-5800 series" is a vertical two-plane balancing test machine that can measure the imbalance of self-driven workpieces, such as polygon mirror motors and HDD spindle motors, with high precision. By introducing simultaneous measurement on two planes, the measurement time has been reduced to one-fourth of the conventional time. Considering productivity, it is equipped with two modes: a "Correction Mode" for efficiently performing correction work, and an "Analysis Mode" for analyzing vibration characteristics during workpiece development. Additionally, the color LCD touch panel clearly displays "correction amount, imbalance amount, static unbalance," etc., enabling easy operation. 【Features】 ■ Measurement time reduced to one-fourth of the conventional time ■ Easy operation with graphical display ■ Equipped with two modes ■ Easy addition of extended functions ■ Compact and space-saving *For more details, please refer to the PDF document or feel free to contact us.

• Testing Equipment and Devices
• Vibration Testing

The "SSV2-5100 series" is a vertical two-plane balancing test machine equipped with a collet chuck that can measure the imbalance of fans, impellers, and other components with high precision. By exchanging adapters, it can also accommodate workpieces with different shaft diameters. The color LCD touch panel allows for easy operation with graphical displays. Additionally, it has been designed to eliminate waste thoroughly and achieve a compact, space-saving form. Sigma offers a wide range of "vertical balancing test machines" tailored to various workpieces, from those for meter pointers weighing just a few grams to marine propellers exceeding 50 kg. 【Features】 ■ High-precision measurement of imbalance in fans, impellers, etc. ■ Equipped with a collet chuck ■ Capable of accommodating workpieces with different shaft diameters ■ Easy operation with graphical display ■ Compact and space-saving *For more details, please refer to the PDF document or feel free to contact us.

• Testing Equipment and Devices
• Vibration Testing

The "SSV-5100 Series" is a vertical single-plane balancing test machine essential for the production of ultra-lightweight workpieces, such as meter pointers, CD/DVD discs, and HDD head stack assemblies, weighing up to 100g. The cumbersome and complex eccentricity correction of workpieces can be done with a single touch, allowing anyone to perform high-precision measurements easily through a color LCD touch panel with graphical displays. Additionally, it has been designed to eliminate waste thoroughly and achieve a compact, space-saving form. Sigma offers a wide range of "vertical balancing test machines" tailored to various workpieces, from those weighing just a few grams for meter pointers to those exceeding 50kg for marine propellers. 【Features】 ■ One-touch operation for eccentricity correction of workpieces ■ Easy high-precision measurement for anyone ■ 5.7-inch color LCD touch panel ■ Simple operation with graphical display ■ Compact and space-saving design *For more details, please refer to the PDF materials or feel free to contact us.

• Testing Equipment and Devices
• Vibration Testing