SUMITOMO

Sumitomo SNMG inserts are square-shaped indexable turning inserts with a 0° clearance angle. They are available in various sizes, such as SNMG431 and SNMG120404, with positive rake and chipbreaker designs like EUP and N-UP. These inserts are used for general-purpose turning, facing, and profiling on metal workpieces. The ANSI code SNMG431EUP indicates a square insert with a 1/2 inch inscribed circle, 3/16 inch thickness, and a molded chipbreaker. The grade, such as AC830P, determines the coating and substrate for specific material groups. Sumitomo SNMG inserts are compatible with standard square-shank toolholders.

Sumitomo TNMG inserts are triangular (T-shaped) with a 0° clearance angle, while SNMG inserts are square (S-shaped) with a 0° clearance angle. TNMG inserts typically have three cutting edges, whereas SNMG inserts have four or eight cutting edges depending on the design. TNMG inserts are often used for turning and profiling where a smaller point angle is beneficial, while SNMG inserts provide a stronger cutting edge for heavier cuts. Both are indexable and available in various grades and chipbreakers. Sumitomo TNMG inserts include models like TNMG332ESX and TNMG160408N-SX, with features such as adhesion resistance and chipping resistance.

Sumitomo SG-series inserts, such as SG-3062L-BN2000, SG3094L-BN2000, and SG3125R-BN2000, are designed for parting and grooving operations on lathes and turning centers. They are used to cut off workpieces or create grooves in metal parts. The SG prefix indicates a parting and grooving insert, and the numbers denote the insert width and configuration. The L and R designations indicate left-hand or right-hand orientation. These inserts are typically used in grooving toolholders and are available in various widths and grades. They are suitable for applications in metalworking and industrial manufacturing processes.

Sumitomo insert grades are identified by a code, such as AC830P or AC8025P, which indicates the coating and substrate. The grade selection depends on the workpiece material, cutting speed, feed rate, and machining conditions. For steel, grades with wear resistance are common; for stainless steel, grades with adhesion resistance are preferred; for cast iron, grades with chipping resistance may be used. The chipbreaker geometry, such as EUP or ESX, also affects performance. Consult the Sumitomo technical documentation or a 3G Electric representative for guidance on matching the grade and chipbreaker to your specific operation. Trial runs are recommended to confirm performance.

Yes, Sumitomo indexable inserts are designed to be compatible with standard toolholders that follow ISO or ANSI specifications. For example, SNMG inserts fit square-shank toolholders with a corresponding insert seat, and TNMG inserts fit triangular-seat toolholders. Parting and grooving inserts require specific grooving toolholders that match the insert width and style. It is important to verify the insert size and shape code against the toolholder's designated insert. Sumitomo inserts are manufactured to standard tolerances, ensuring interchangeability with toolholders from various manufacturers. Always refer to the toolholder manufacturer's recommendations for compatibility.

Lead time for Sumitomo inserts depends on stock availability and order quantity. 3G Electric maintains inventory of many Sumitomo insert part numbers, including SNMG, TNMG, and SG-series models. For items in stock, orders can ship within 1-2 business days. For non-stock items, lead time is typically 2-4 weeks, subject to manufacturer availability. 3G Electric ships globally and can provide expedited shipping options. For specific lead time inquiries, contact 3G Electric with the exact part numbers and quantities required. The sales team will confirm availability and provide a delivery estimate.