Timeline of Sigma Electronics history
| Jun. 1985 | Established system house and developed micro computer equipped balancers. |
|---|---|
| Sep. 1985 | Completed development of field balance model BC-4300 and start to supply them as OEM. |
| Mar. 1986 | established Sigma Electronics Co., Ltd. |
| Aug. 1986 | developed field Balancer MYSELF-1 and started to supply under OEM deal. |
| Apr. 1987 | developed field Balancer BALANCE EYE and started to supply under OEM deal |
| Jun. 1987 | relocated the firm to Uramishinden Industrial Complex and started the operation. |
| Aug. 1987 | developed Automatic Balancer for Grinding Wheel. |
| May. 1988 | developed Multivariate Analysis Technique with much increased accuracy in the unbalance detection. |
| Oct. 1988 | started the sales of Field Balancer (SB-8307, 8308). |
| Jun. 1989 | started the sales of SB-7001 corresponding to high-speed rotation .machines. |
| Feb. 1990 | Developed Tool Balancer SB-7200 at the background of speeding up of machine tools and tool unbalance was watched. |
| Jun. 1990 | started the sales of Vertical Balancing Machine SB-5100. |
| Jun. 1991 |
started the sales of Field Balancer SB-7200 for high-precision machine tools. |
| Sep. 1991 | signed up for Japan Testing Machinery Association. |
| Aug. 1992 | jointly developed Tool Balancing Machine SHV-6100 for high-precision . machine tools with Messrs. Toshiba Machine CO., Ltd. |
| Oct. 1992 | started the sales of High-Precision Field Balancer SB-7002. |
| Oct. 1992 | Made a presentation of SHB series horizontal balancing machines and SB-7002 field balancer at the 16th Japan International Machine Tool Fair. |
| Apr. 1993 | Made a presentation of SHB series horizontal balancing machines and SHV series vertical balancing machines at the 2nd Japan Testing Technology Show (TEST93). |
| Jul. 1993 | started the sales of field balancer SB-8001 for High-Precision Grinding |
| Oct. 1993 | Started sales of field balancer SB-8002 for general rotating machinery and started to supply as OEM of Akashi corporation. |
| Oct. 1994 | development of fully automatic unbalance correction without re-arrangement between measuring and correction is completed. |
| Nov. 1994 | made a presentation of Fully-Automatic Balancing Machine SHVA-6100 series at the 17th Japan International Machine Tool Fair (INTEX OSAKA). And supplied them to the clients. |
| Apr. 1995 | developed Full-Automatic Balancing Machine (SB-MELT) which produces a jet of adhesive agent while rotating and to correct the unbalancing . |
| Aug. 1995 | developed Vertical Balancing Machine SSV-51001 for ultra light work piece and supplied to the clients. |
| Mar. 1996 | Increasing capital to 10,000,000yen. |
| Nov. 1996 | made a presentation of various balancing machines including SHVA-6100, SB-MELT at the 18th Japan International Machine Tool Fair (at Tokyo Big Sight). |
| Apr. 1997 | made a presentation of various balancing machines including SHVA-6100, SB-MELT at the 4th Japan testing technology show (TEST 97). |
| Nov. 1997 | established Kanagawa Branch Office in Sagamihara shi. |
| Jul. 1998 | delivered new balancing machine SHVA-6110 with compensation of surface waviness (max. 2mm) and chip conveyer to pump manufacturer. |
| Oct. 1998 | made a presentation of various balancing machines including SHVA-6110, SSV-5100 at the 19th Japan International Machine Tool Show. |
| Apr. 1999 | made a presentation of Field Balancer SB-8003 with built -in Printer and combined with personal computer and started the sales. |
| Apr. 2000 | made a presentation of newly developed Balancing Machine SSV2-58000 for Polygon Mirror at the 18th MOTOR TECH JAPAN. |
| Oct. 2000 | developed a system able to correct the balance of turbo-molecular pump at its actual rotation speed and supplied to the clients. |
| Oct. 2000 | made a presentation of newly developed Field Balancer SB-7003 and SB-7300, which able to measure the speed of max- 400,000 min-1 at the 20th Japan International Machine Tool Fair (Tokyo Big sight). |
| Apr. 2001 | started the sales of new type Filed balancer - SB-7003 and SB-7300. |
| Feb. 2002 | developed foremost “Multi-speed multi-plane field balancer SB-7700R”, preventing vibration at wide speed range of flexible rotor with higher order of bending modes. |
| Oct. 2002 | made a presentation of newly developed Field Balancer for flexible rotor SB-7700 at 21st Japan International Machine Tool Fair (Tokyo Big sight). |
| Apr. 2003 | made a presentation of many type of balancing machines at 21st Motor Tech Japan (Makuhari Messe) , and at 7th Japan Testing Technology Show(Tokyo Big Sight). |
| Jun. 2003 | started to sales of Field Balancer SB7700R. |
| Nov. 2003 | made a presentation of SB-8800R at Maintenance Tech show ,and started to sales. |
| Apr. 2004 | made a presentation of newly developed vertical balancing machine SSV2-5100 which is combined with new measuring unit at 22nd Motor Tech Japan. |
| Sep. 2004 | awarded by Okayama local authority for Sigma’s technology as Excellent skill. |
| Nov. 2004 | made a presentation of newly developed Field Balancers SB-7700R and SB-8800R, balancing machine SSV2-5100 at 22nd Japan International Machine Tool Fair (Tokyo Big Sight). |
| Feb. 2005 | released "SB-7004R","SB-7400R" as successor of "SB-7003" |
| Apr. 2005 | exhibited all products that were exhibited at 22nd JITOF and Horizontal Balancing Machine,"SSB-6001A" at 8th General Testing Machine & Equipment Exhibition. |
| Sep. 2005 | completion of New Building of Sigma Main Office. |
| Mar. 2006 | received Technological Award from Chugoku Shikoku Branch of Precision Machine engineering society for the reason that "SB-7700R" contributed to manufacturing accurracy of MachineTool. |
| May 2006 | released New type Field Balancer "SB-8001","SB-8002" and"SB-8003" that improved measurement accuracy. |
| Oct. 2006 | exhibited "SSV-5100", "SSB-6100A" and each kind of Field Balancer at" 23rd Japan International Machine Tool Trade Fair." |
| Apr. 2007 | exhibited "SSV2-51001A","SSV2-58001A","SSB-6100A" and each kind of Field Balancer at 9th General Testing Machine & Equipment Exhibition. |
| May 2007 | released "SB-7701R","SB-7704R","SB-7704RH" in SB7700 series that improved speed of arithmetic operation. |
| Sep. 2007 | certified by ISO9001. Certified registration name :JQA-QMA13358 |
| Oct. 2008 | Exhibited fully automatic balancing machine SHVA-6130A, and SB-7704R, the first field balancer that enabled to prevent three-dimensional vibration of all rotational speed range at 24th Japan International Machine Tool Trade Fair. |
| Apr. 2009 | exhibited "SSV2-5100A","SSV2-58001A","SSB-6001A" and each kind of Field Balancer at 10th General Testing Machine & Equipment Exhibition. |
| Apr. 2009 | selected in Chugoku area as one of " 300 medium and smaller enterprises active at manufacturing" by the Chugoku bureau of Economy,Trade and Industry Department. |
| Jul. 2009 | supplied Fully automatic Balancing Machine "SHVA-6130A" for Impeller to Pump Maker K, of which correction of cut surface for undulation （Max5mm） was strengthened and available for correction of Work with large diameter( MaxΦ600mm). |
| Apr. 2010 | released "SB-7702" and "SB-8801"in each series equipped with new CPU and speed of arithmetic operation was improved than former produts. |
| Sep. 2010 | released Field Balancer, "SB-8001GB","SB-8002RB" equipped with 3.5 inch color liquid crystal display driven by battery. |
| Sep. 2010 | released Fully automatic Balance Correction Machine"SHVA2-6130A"that enabled to perform 2 plane balance correction by same program on the machine. |
| Oct. 2010 | developed above mentioned "SHVA2-6130AT" with automatic load-in and load-out system added. |
| Oct. 2010 | exhibited "SHVA2-6130A","ＳHVA2-6130AT","SB-8002RB",etc. at 25th Japan International Machine Tool Trade Fair. |
| Mar. 2011 | developed Field Balancer for 1-4 plane correction equipped with 5.7 inch color liquid crystal display and USB communications driven by battery. |
| Jul. 2011 | released "SB-7005" series as successor of "SB-7004"series. |
| Oct. 2011 | exhibited various products including SHVA2-6130A, SB-7702, SB-8801RB, SB-7005 at Japan Testing Technology Show (TEST 2011). |
| May. 2012 | Sigma’s engineer has been awarded from Japan Testing machinery Association. |
| Dec. 2013 | SB-8802 has been released as replacement of SB-8801. |
| Feb. 2014 | SB-7006 has been released as replacement of SB-7005. SB-7705 has been released as replacement of SB-7702. |
| Mar. 2014 | Technology Contribution Prize is awarded from Japan Society of Mechanical Engineers (JSME) region branch. |
| Sep. 2014 | exhibited Vibrometer "VM-1001" series at the 17th M-Tech. |
| Sep. 2015 | exhibited FieldBalancer "SB-7705R, SB-8802R" series, Balancing Machine "SHVA-5110A, SSB-6001A", Condition monitor "CM-1000" series, and Laser Doppler Vibrometer "SLV-300" series at Japan Testing Technology Show (TEST2015). |
| Mar. 2016 | Started rental business of measuring equipment. |
| May. 2017 |
Renewal from "SB-8802RB/7705RB" series to "SB-8805RB/7706RB" series. Launched condition monitor. |