BIG DAISHOWA High Performance Tooling Solutions Vol 1

BIG-PLUS OVERVIEW

IMPROVEMENT OF ATC REPEATABILITY The BIG-PLUS Spindle System ensures the highest precision location of the tool holder in the spindle when using the ATC for loading tools as a result of the dual contact, which precisely positions the tool holder within 1 micron.

ATC REPEATABILITY

10 8 6 4 2 0 1 2 3 4 5 6 7 8 9 10 No. of Times of ATC Machine: Horizontal (4 years old)

6"

ISO40

WITHIN 1 µm

Taper Contact (Conventional) Dual Contact (BIG-PLUS)

Test Bar (Zero Runout)

Pulling Force 800kg

MINIMIZED DEFLECTION FOR MAXIMUM MACHINING ACCURACY & SUPERIOR FINISH With BIG-PLUS simultaneous contact, machining rigidity is greatly enhanced due to the larger contact diameter of the tool holder flange face. This larger face contact, combined with the taper contact, works together to resist deflection. With less deflection, greater machining accuracy and superior finish can be achieved.

COMPARISON OF DEFLECTION

STRICT GAGE CONTROL

BT40

BT50

500

100

CONVENTIONAL

CONVENTIONAL

400

80

300

60

200

40

BIG-PLUS

CONVENTIONAL

100

BIG-PLUS

20

BIG-PLUS

0

2

4

6

8

(kN)

Cutting Conditions Machine: 40 Taper (Horizontal Machining Center) Cutter: Face Mill Ø5" (6 cutting edges) Work Material: A2017 Duralumin Cutting Depth: .094"

0

H F

1

2

3

4

(kN)

LOAD: F

F

LOAD: F

H

Deflection of a machine spindle is shown. A vertical machine was used for the test.

Deflection of a machine spindle is shown. A vertical machine was used for the test.

STRICT GAGE CONTROL BIG-PLUS spindles produced by the licensed machine or spindle builders are strictly controlled in dimensions by the original BIG master gage. Only BIG-PLUS trademarked tool holders can achieve the optimal performance fully and safely.

Gages for Machine Spindle

Master Gage

Measuring Device

Master Arbor

BIG-PLUS SPINDLE SYSTEM MACHINE BUILDERS The BIG-PLUS Spindle System is offered by many of the world’s leading manufacturers of machining centers. Some of the machine and spindle builders who have produced BIG-PLUS spindles are as follows: ACCUWAY, ADVANCED MACHINE , ALEX-TECH, AMS, ANCA, AONO GIKEN, ARES, ASADA SEIKI, ASA TECH, AWEA, BERG SPANNTECHNIK, BFW, BOST, BROTHER, CERI, CHEVALIER, CHUO-SEIKI, CITIZEN, COLGAR, D.S.TECHNOLOGIE, DAH LIH, DAITO, DAIYA SEIKI, DIXI, DMC, DMG MORI SEIKI AD, DMG MORI SEIKI CO.,LTD., DOOSAN, DYNOMAX , EGIN-HEINISCH, EGURO, ENSHU, FADAL, FANUC, FEELER, FEMCO, FIRST, FIRST, FISCHER , FOREST-LINÉ, FPT, FRANZ KESSLER, FUJI SEIKI, GIDDINGS & LEWIS, GMN, GROB, GTI , HAIDE, HARDINGE, HARTFORD, HEYLIGENSTAEDT, HISION, HNK, HOMMA, HORKOS, HOWA, HST, HURCO, HWACHEON, IBAG, IBARMIA INNOVATEK, IKEGAI, INOUE KOSOKU KIKAI, JHENG TAI, JOBS, JOHNFORD, JTEKT, JUNGWOO M.S., JYOTI, KARATS, KASHIFUJI, KASWIN, KENTURN, KIRA, KITAMURA, KIWA, KMT, KOMATSU NTC, KONDIA, KOYO, KPTEC, KURAKI, LAZZATI, LMW, MAG, MAGNIX, MAKINO, MAKINO SEIKI, MANDELLI, MATSUURA, MAZAK, MECTRON, MILLTRONICS, MITSUBISHI, MITSUBOSHI KOGYO, MITSUI SEIKI, MOTOKUBO, MTE, MYL, N.S.S, NACHI, NAKAMURA, NEWAY, NICOLÀS CORREA, NIIGATA, NIPPON BEARING, NISHIJIMAX, NISSIN-MFG, NOMURA, NORTHLAND TOOL , NSK, NUMEN, O-M, OBATAKE, OHTORI, OKK, OKUMA, OMLAT, OMV, PAMA, PDS , PIETRO CARNAGHI, PMC, QUASER, REIDEN, ROKU ROKU, ROYAL, RS TEC, SAJO, SEMA, SEMPUCO, SETCO , SHAN RONG, SHIBAURA, SHODA, SHW, SKF USA, SKG, SKODA, SKYNC, SMEC, SNK, SODICK, SORALUCE, SPINDER, SPINTEC, SPINTRUE, SPS , STARRAGHECKERT, STUDER, SUFENG, SUGINO, SUNWOO, SUPERIOR SPINDLE SERVICE , SWIFT, TAJMAC-ZPS, TAKAMAZ KIKAI KOUGYOU, TAKISAWA, TANABE, THETA, TONGTAI, TOS KURIM, TOS VARNSDORF, TOYO SEIKI, TSUDAKOMA, TSUGAMI, UGINT, UTSUNOMIYA, VICTOR TAICHUNG, VTEC, VYU CHENG, WALDRICH COBURG, WELE, WIA, YAMASAKI GIKEN, YAMASHINA SEIKI, YASDA, YASUNAGA, YCM, YU HUNG, ZAYER (As of July 2021)

• Bold company names are North American licensed BIG-PLUS spindle rebuilders

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