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SUMITOMO

Sumitomo Electric Industries, Ltd., founded in 1897 in Osaka, Japan, is a global manufacturer of cutting tools and industrial materials. The company's indexable turning and milling inserts are engineered for precision machining of ferrous and non-ferrous metals, including steel, stainless steel, cast iron, and aluminum alloys. Sumitomo inserts are available in multiple geometries—diamond (e.g., DNMG, VNMG, CNMG), triangle (e.g., TPMR, TCMT, TPGT), and square (e.g., SNMG)—with chipbreaker designs such as UP, FK, ESU, and LFY that control chip formation across a range of feed rates and depths of cut. The inserts are offered with various carbide grades and coatings, including AC5015S, AC8025P, AC810P, AC820P, and T1500Z, which provide wear resistance, thermal stability, and edge toughness for continuous and interrupted cutting. Typical applications include turning, facing, profiling, grooving, and threading in automotive, aerospace, oil and gas, and general engineering sectors. Sumitomo inserts conform to ISO and ANSI standards for dimensional accuracy and interchangeability. 3G Electric stocks over 5,000 SKUs of Sumitomo indexable inserts, covering common and specialized geometries, with full logistics support for global shipment. The product range includes both standard and non-standard insert sizes, with manufacturer part numbers cross-referenced to industry designations. 3G Electric provides technical datasheets and application guidance to help buyers select the correct insert geometry, grade, and chipbreaker for their workpiece material and machining conditions. Inventory is maintained to support just-in-time delivery for maintenance, repair, and production operations.

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Tentang SUMITOMO

Sumitomo Electric Industries, Ltd., founded in 1897 in Osaka, Japan, is a global manufacturer of cutting tools and industrial materials. The company's indexable turning and milling inserts are engineered for precision machining of ferrous and non-ferrous metals, including steel, stainless steel, cast iron, and aluminum alloys. Sumitomo inserts are available in multiple geometries—diamond (e.g., DNMG, VNMG, CNMG), triangle (e.g., TPMR, TCMT, TPGT), and square (e.g., SNMG)—with chipbreaker designs such as UP, FK, ESU, and LFY that control chip formation across a range of feed rates and depths of cut. The inserts are offered with various carbide grades and coatings, including AC5015S, AC8025P, AC810P, AC820P, and T1500Z, which provide wear resistance, thermal stability, and edge toughness for continuous and interrupted cutting. Typical applications include turning, facing, profiling, grooving, and threading in automotive, aerospace, oil and gas, and general engineering sectors. Sumitomo inserts conform to ISO and ANSI standards for dimensional accuracy and interchangeability. 3G Electric stocks over 5,000 SKUs of Sumitomo indexable inserts, covering common and specialized geometries, with full logistics support for global shipment. The product range includes both standard and non-standard insert sizes, with manufacturer part numbers cross-referenced to industry designations. 3G Electric provides technical datasheets and application guidance to help buyers select the correct insert geometry, grade, and chipbreaker for their workpiece material and machining conditions. Inventory is maintained to support just-in-time delivery for maintenance, repair, and production operations.

Aplikasi Umum

  • Automotive engine block machining — Sumitomo SNMG square turning inserts for facing and boring cast iron
  • Aerospace component turning — Sumitomo DNMG diamond inserts with UP chipbreaker for finishing titanium alloys
  • Oil and gas valve production — Sumitomo TPMR triangle inserts with T1500Z grade for threading stainless steel
  • General engineering shaft turning — Sumitomo CNMG diamond inserts with LU chipbreaker for medium interrupted cuts
  • Mold and die finishing — Sumitomo VNMG diamond inserts with UZ chipbreaker for hardened steel profiling
  • Heavy equipment repair — Sumitomo TCMT triangle inserts with AC810P grade for turning wear-resistant steels

Pertanyaan yang Sering Diajukan

Pertanyaan umum tentang SUMITOMO dari 3G Electric.

What chipbreaker designs are available on Sumitomo diamond turning inserts like the DNMG431EUP?

The DNMG431EUP insert features the UP chipbreaker, which is designed for medium to finishing cuts in steel and stainless steel. The UP geometry provides positive rake angles and a polished cutting edge to reduce cutting forces and improve surface finish. Other Sumitomo chipbreakers include FK for fine finishing, ESU for general-purpose turning, and LFY for light finishing. Each chipbreaker is optimized for specific feed ranges and material groups.

Which Sumitomo triangle turning insert grades are suitable for machining stainless steel?

Sumitomo triangle turning inserts such as the TPMR221EFK-T1500Z use the T1500Z grade, which is a PVD-coated carbide with high toughness and oxidation resistance, suitable for stainless steel and heat-resistant alloys. The TCMT32.52ESU-AC810P uses the AC810P grade, a CVD-coated carbide with a thick alumina layer for wear resistance in medium to high-speed turning of stainless steel and cast iron.

What is the difference between Sumitomo square turning inserts SNMG433EEM and SNMG120412N-EM?

The SNMG433EEM and SNMG120412N-EM are the same insert geometry under different naming conventions. SNMG433EEM uses the ANSI designation (433 indicates 3/8 inch inscribed circle, 3/16 inch thickness, 1/32 inch nose radius), while SNMG120412N-EM uses the ISO designation (12 mm inscribed circle, 04 mm thickness, 12 mm nose radius). Both have the EM chipbreaker for medium machining of steel and cast iron.

Are Sumitomo diamond turning inserts like the CNMG433ELU suitable for interrupted cutting?

The CNMG433ELU insert with the LU chipbreaker is designed for light to medium interrupted cutting in steel and stainless steel. The LU geometry features a reinforced cutting edge and a positive rake to absorb impact loads. For heavy interrupted cuts, Sumitomo recommends inserts with stronger edge preparations, such as the EH or RH chipbreakers, which are available in other CNMG variants.

What coating is used on Sumitomo VNMG432ENZ-AC8025P inserts?

The VNMG432ENZ-AC8025P insert uses the AC8025P grade, which is a CVD-coated carbide with a multilayer coating of TiCN, Al2O3, and TiN. This coating provides high wear resistance and thermal stability for turning hardened steels and cast iron at moderate to high cutting speeds. The UZ chipbreaker on this insert is optimized for finishing operations with low cutting forces.

Does 3G Electric supply SUMITOMO products?

Yes — 3G Electric (S) Pte. Ltd. supplies SUMITOMO products. We stock the SUMITOMO catalog and supply genuine factory-original products with full manufacturer warranty and technical support.