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Epoch G Turbo

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Epoch G Turbo

Product catalog summary

Safety Precautions

Handling: Exercise caution when removing tools from packaging to avoid injury. Avoid direct contact with sharp edges.
Mounting: Inspect tools for damage before use and ensure they are securely mounted. Stop use immediately if abnormal vibrations occur.
Usage: Confirm tool dimensions and rotation direction. Adjust cutting conditions based on material and machine rigidity. Use safety equipment to prevent injury from flying debris.
Regrinding: Perform regrinding timely to prevent tool breakage. Use safety covers and wear protective gear during regrinding.

Material Specifications

Tools are suitable for various materials including cast iron, carbon steels, alloy steels, tool steels, pre-hardened steels, and hardened steels with specified hardness ranges.

Cutting Conditions

Recommended cutting conditions are provided for different tool diameters and materials. Adjust parameters based on machine capabilities and workpiece conditions.
For 2-flute models, reduce feed rate by 50% and avoid use on materials harder than 55HRC.

Product Features

Epoch G Turbo tools offer high-efficiency machining for high-hardness materials, with improved TH coatings for longer tool life and better oxidation resistance.
Both 4-flute and 2-flute models are designed for low-resistance cutting, suitable for various machining operations including contour roughing, slotting, and side milling.

Performance Comparison

Epoch G Turbo tools provide up to three times the efficiency of conventional ball end mills at hardness levels around 50HRC.
Field data demonstrates superior performance in high-efficiency pocket machining and bottom cutting, with significantly reduced wear and increased machining efficiency.

Overview: The document provides detailed technical specifications and performance evaluations for the Epoch G Turbo end mills, focusing on cutting conditions, tool performance, and safety precautions. It includes data on various machining scenarios, tool dimensions, and recommended cutting conditions.

Specifications: The document outlines the dimensions and tolerances for the Epoch G Turbo end mills, including mill diameter, corner radius, overall length, and shank diameter. It specifies the number of flutes and provides a size lineup for both 2-flute and 4-flute configurations.

Performance Evaluations: The document includes field data on the performance of Epoch G Turbo end mills in different machining scenarios, such as pocket machining, bottom cutting, and slotting. It highlights the high feed rates and efficiency of the Epoch G Turbo compared to conventional end mills.

Cutting Conditions: Recommended cutting conditions are provided for various materials, including cast iron, carbon steels, stainless steels, alloy steels, pre-hardened steels, and hardened steels. The document emphasizes the importance of using highly rigid and accurate machines and adjusting parameters based on actual machining conditions.

Safety Precautions: The document advises on handling, mounting, and using the tools safely. It stresses the importance of checking tools for damage, using safety equipment, and being cautious of flying chips and sparks during machining.

Key Data: The document includes tables with cutting conditions, such as spindle speed (rpm) and feed rate (mm/min), for different tool diameters and materials. It also provides wear curves and life evaluations for the tools under various conditions.

Specifications and Material Types: The document outlines various materials such as cast iron, carbon steels, alloy steels, tool steels, pre-hardened steels, and hardened steels, with specific hardness ranges provided for each type. Examples include FC, S50C, SCM for cast iron and carbon steels, and SKD11, SKH51 for hardened steels.

Tool Usage and Safety: It is emphasized that tools should only be used for their intended purpose. When using oil-based coolants, fire prevention measures are necessary.

Cutting Conditions: Recommended cutting conditions are provided, including spindle speed (rpm), feed rate (mm/min), depth of cut (ap), and width of cut (ae). Specific conditions are given for different tool diameters and corner radii. Users are advised to use highly rigid and accurate machines and adjust conditions based on actual machining scenarios.

Special Instructions for 2-Flute Tools: When using 2-flute models, the feed rate should be set to 50% of the recommended value. These tools are not recommended for materials with hardness above 55HRC.

Contact Information: Contact details for Hitachi Tool Engineering offices in various regions, including Europe, China, America, Thailand, and India, are provided. Additionally, contact information for various sales offices in Japan is listed.

General Notes: Users are reminded that the cutting conditions are guidelines and may need adjustment based on specific machining conditions. If the machine's rpm is lower than recommended, the feed rate should be reduced proportionally.

Catalog excerpts

Hitachi Tool Engineering, Ltd.

Open the catalog to page 1

Uses low-resistance flute shape to enable high-efficiency roughing of high-hardness materials. Lineup & Features 4 flutes: Low cutting depth, High feed type Strong back taper suppresses chattering vibrations. 2 flutes: Focused on general-purpose use Strongly helix outer circumference flute makes it applicable to various types of machining. Epoch G Turbo high-efficiency machining methods High Feed Both 4-flute and 2-flute models have low-resistance flute designs to provide ultra-high-efficiency machining of high-hardness materials. 2-flute model has a strongly helix outer circumference flute design...

Open the catalog to page 2

Positioning relative to conventional tools At hardnesses around 50HRC, Epoch G Turbo enables about 3 times the efficiency of con ventional ball end mills. \ Conventional Ball End Mill TMW?S>—TfSJU (ETM-TH) Epoch Turbo Mill SPILSb$ Cutting efficiency Positioning that covers the roughing of high-hardness materials with conventional tools. graph (Comparison of superiority) Contour roughing superior for contour roughing. HGOF2-TH can handle all kinds of machining. Slotting Side milling Steel material comparison Vlild steel n mild steel to hardnesses Epoch Super Coating Advanced TH ♦Hardness and oxidation...

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Field data: Performance of Epoch G TURBO 4 flutes Bottom machining of high-hardness materials (Feed limit evaluation) Epoch G Turbo with low cutting resistance is particularly superior for high-efficiency machining of high-hardness materials. High-efficiency pocket machining (Life evaluation) Pocket shape Wear is small even for high-efficiency machining. High-efficiency roughing of powder metallurgy HSS (Life evaluation) Cutting conditions High-efficiency roughing of powder metallurgy HSS. Machining time: Approx. 18 min. Pocket shape

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Field data: Performance of Epoch G TURBO 2 flutes Slotting (High-efficiency slotting) Work : Equivalent to SUS420J2(52HRC), Tool : 06XM .5 cutting conditions OH = 24mm (4D) aPxae=6mm x 6mm XT7—Jn— Air-biow Ultra-high-efficiency slotting Bottom cutting (feed limit evaluation) Work : Equivalent to SUS420J2 (52HRC), Tool : 06XM .5 More than 7 times the machining efficiency. Epoch G Turbo enables machining at far higher feed rates. Bottom cutting (Life evaluation) Work : Equivalent to SUS420J2(52HRC), Tool : 06XM.5 Cutting aPXae=0.3mmX 1 .5mm flPIPrfFJ Cutting time i 945} min. I7-7D- Air-blow ttJffiS...

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Epoch G Turbo 2 flutes Epoch G Turbo 4 flutes

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Recommended cutting conditions [Note] CD Use a highly rigid and accurate machine as possible. CD These conditions are for general guidance; in actual machining conditions adjust the parameters according to your actual machine and work-piece conditions. CD If the rpm available is lower than that recommended please reduce the feed rate to the same ratio. CD To increase efficiency even further, increase the rotation speed and the feed rate by the same ratio. (DSSCDIsllESJffEDaDJiSICB, @$EatgOSIt)£HUt«-J)W"C<r;:Sl)„ ©Mic|g¥«±ifs«si*. isifES!iiiiDis®«iiJ)t¥icr±ifr<rcSi)o [Note] CD Use a highly rigid...

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Recommended cutting conditions When using the 2-flute model, set feed rate only to 50% of the value below as a general criteria. Further, it is not recommended to use the 2-flute model for cutting materials with hardness of 55HRC. CD Use a highly rigid and accurate machine as possible. (D These conditions are for general guidance; in actual machining conditions adjust the parameters according to your actual machine CD If the rpm available is lower than that recommended please reduce the feed rate to the same ratio. 1. Cautions regardin g handling (1) When removing the tool from the case (package),...

Open the catalog to page 8

Epoch G Turbo

Epoch G Turbo

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