Company Overview and Quality Commitment

BIG Daishowa, established in 1967, is a leading manufacturer of high-precision tooling systems with the largest market share in Japan and a growing global customer base. The company emphasizes continuous product development and quality improvement to meet the latest industry trends, ensuring high precision and high quality in tooling solutions.

Manufacturing Facilities

The company operates multiple factories including Awaji Factory No.1 to No.5, Osaka Factory, and the MEGA Technical Center, equipped with state-of-the-art production facilities to support superior tooling manufacturing.

Product Range and Specifications

Collet Chucks and Tool Holders

• MEGA ER GRIP: Clamping range from ø0.45 to ø6.05 mm with an ultra-slim design to eliminate interference.
• High precision collet chucks for heavy cutting with clamping ranges from ø0.25 to ø20 mm.
• Specialized heavy-duty collet chucks with clamping ranges from ø1.9 to ø20 mm.
• Small endmilling tool holders with clamping ranges from ø3 to ø12 mm featuring original exclusive designs.
• Hydraulic chucks designed for high precision machining in automotive, aerospace, medical, and die & mold industries with clamping ranges up to ø50 mm.

Shank Types

Various shank types are supported including BBT, BDV, HSK, Cylindrical, CAPTO, and BT shanks, catering to different machine tool interfaces and applications such as N/C lathes and high-speed machining.

Specialized Tool Holders and Accessories

• Side lock holders for mold making and high-speed applications.
• Air turbine spindles and high spindle holders for enhanced cleaning and performance.
• Hi-Jet holders and angle heads for complex machining operations.
• Tapping holders with tapping ranges from M1 to M36.
• Modular tooling systems for turning and rotating tool holder applications.

Tooling Features and Benefits

• High precision and reliability with polygon-tapered dual contact systems (HSK-T and BBT BIG-PLUS series).
• Designs that maintain accuracy by keeping T-slots free from chips.
• Easy mounting and removal of cutting tools and retention knobs.
• Efficient cleaning systems including air blowing and slide features for absolute cleaning of clamping bores and machine spindle faces.
• Full automation of swarf and coolant removal using wind pressure.

Measuring and Maintenance Tools

BIG Daishowa offers a comprehensive range of precision measuring tools for machine tool maintenance, including:

• Touch probes and edge finders (DYNA TEST, ACCU CENTER, POINT MASTER series).
• Tool offset sensors and tool presetters (LEVEL MASTER series).
• 2-axis simultaneous detection levelers and position detecting tools.
• Alignment tools for automatic tool changer (ATC) arms and spindle maintenance.

Cutting Tools and Milling Solutions

• Endmills with low cutting resistance designed for ramping and helical interpolation.
• Ultra high feed chamfer mills and shoulder/slot milling cutters with high radial and axial rake angles.
• High-speed cutters optimized for aluminum and cast iron.
• Automated R-chamfering and back spot facing tools for cap screw holes.

Standards and Compliance

The tooling products comply with international and Japanese standards including DIN 69871 A/B (BIG-PLUS), DIN 69893 forms A, E, F, and JIS B 6339 series, ensuring compatibility and quality assurance across various machine tool platforms.

Summary

BIG Daishowa provides a comprehensive portfolio of high-precision tooling systems, tool holders, measuring instruments, and cutting tools designed for diverse machining applications. Their products emphasize precision, reliability, ease of maintenance, and compliance with international standards, supported by advanced manufacturing facilities and continuous innovation.