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Small Internal Machining

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Small Internal Machining EZ Bar Series Small Internal Machining Easy Adjustment and High Precision for a Wide Range of Applications The EZ Bar Prevents Deviation with High-rigidity Clamping Unique Design Provides a Smooth Supply of Coolant Large Lineup for Internal Grooving, Threading, Boring, and Back Turning Operations Internal Turning New PVD Coating Boring EZB EZ Bar PLUS NEW PR1725 90° Lead EZBF Back Boring EZBT NEW Copying EZBP Internal Facing NEW 45° Chamfering EZBC Internal Prof iling EZVB Internal Grooving Internal Threading Internal Grooving EZG Face Grooving EZFG Internal Threading EZT EZ Bar Series for Small Internal Machining Min. Bore Dia. Ø2mm - Easy Adjustment and High Precision Large Tooling Lineup for a Wide Application Range 1 Large Tooling Lineup for Various Internal Machining Operations Can be used for boring, back boring, internal profiling, internal grooving, face grooving and threading Full compliment of various sleeve holder designs to choose from Internal Turning Boring EZB P6 ~ 9 Select the HP bar for high precision and the ST bar for cost reduction (tolerances are dif ferent) HP (Precision-Oriented) ST (Cost-Oriented) Chipbreakers Chipbreakers for Various Applications Y L WF 30° H 1st Recommendation General Purpose Extended Reach Type Available Bar Longitudinal Cutting Edge Tolerance Offset (f) Direction (Z) Height (Y) Min. Bore Dia. D.O.C. = 0.2 mm or greater P6 ~ 8 Same as ± 0.025mm ± 0.05mm + 0.05mm / 0mm HP Shank Dia. Different than F ST ± 0.060mm ± 0.10mm + 0.06mm / 0mm Shank Dia. Shape Edge Recommended for Finishing D.O.C. = 0.2 mm or less P6 ~ 8 EZ Bar PLUS P20 ~ 21 High Precision Solid Bar with the NB Convenience of Indexable Inserts Non-ferrous Metal Machining Reduces Machining Costs PCD / CBN and uncoated GW05 Without Chipbreaker P9 Indexable EZ Bar Minimum Bore Diameter 5mm 2 Internal Turning NEW Newly developed PVD coating PR1725 added to EZB boring bar AlTiN/AlCrN Nano laminated film with superior wear resistance and adhesion resistance Excellent surface finish and long tool life Wear Coefficient Comparison High-lubricity unique (Internal Evaluation) surface layer <Reduces cracking> High aluminum content AlTiN layer 0.032 0.028 Reduces abnormal damages such High hardness / Oxidation resistance 0.024 37% icient icient f as chipping because of increased 0.020 Optimized AlCrN layer lamination layer with a thinner gap 0.016 than conventional coatings Superior adhesion resistance 0.012 0.008 Tough micro-grain carbide substrate Wear Coef Wear 0.004 High stability 0 PR1725 Conventional A Conventional B Superior Wear and Chipping Resistance Excellent Surface Finish Case Study Improved machining efficiency with 2.8 times longer tool life Automotive Parts (1045) SOLUTION x High hardness with nano laminated f ilm layer 2.8 Special surface layer with great lubricity 18,000 pcs/edge properties EZ Bar PR1725 reduces adhesion Tool Life Internal stress optimization reduces chipping Conventional Conventional C 6,300 pcs/edge Applicable to various workpiece materials High machining stability Vc = 160 sfm Excellent oxidation resistance. Superior high D.O.C. = 0.008" The EZ bar (PR1725) showed 2.8 times temperature properties maintains good Tough micro-grain carbide substrate f = 0.0018 ipr performance in steel, stainless steel and provides stable machining Wet longer tool life than the Conventional C free-cutting steel EZBR035035HP-015F PR1725 (User Evaluation) 90° Lead Angle EZBF P10 Creates a f inished surface against the bore face No up facing Unmachined portion Flat 90°surface Up facing is 90° required General Boring 90°Lead Angle Boring Max. D.O.C. : 1.0 mm (ø3.0mm) Internal Facing / Profiling EZVB P11 Back Boring EZBT P11 Copying EZBP P12 45° Chamfering EZBC P13 NEW 45° NEW 45° 3 Internal Diameter Grooving and Threading Internal Grooving EZG P16 Chip Comparison (Internal Evaluation) 1045 EZG EZGR040040-200 (Groove Width: 2mm) Feed f (ipr) 0.0004 0.0008 0.0012 Cutting Conditions: Vc = 260 sfm, Groove Depth: 1.0mm (D.O.C. = 0.008" × 5 passes), Wet Two different overhang lengths (LU) are available 304 Standard Length Type EZG EZGR040040-200 (Groove Width: 2mm) Short Type (Indicated with "S" at the end of description) Feed f (ipr) 0.0004 0.0008 Short type maintains higher rigidity Cutting Conditions: Vc = 200 sfm, Groove Depth: 1.0mm (D.O.C. = 0.008" × 5 passes), Wet Internal Face Grooving EZFG P17 Internal Threading EZT P18 Minimum Bore Diameter 3 mm Available for Threading M4 Metric Screw Threads Sleeves How to Select Sleeves Choose between three sleeve types including adjustable overhang and coolant-through designs EZH-CT P21~22 EZH-HP P24~25 EZH-ST P26 with EZ Adjust Structure with EZ Adjust Structure for Cost Oriented Coolant-Through Non-Coolant-Through Machining Coolant Coolant Smooth coolant flow due to unique head design 4 2 Adjustable Overhang Length (EZ Adjust Structure) For CT sleeves with coolant holes and HP sleeves with positioning function, the overhang length can be set by moving adjustment pins Bar End (Slant) Adjustment Pin Overhang Length Adjustment Pin is Moveable 3 Minimized Deviation of Cutting Diameter The adjustment pin prevents the bar from rotating during machining EZ Bar Competitor Fixed by screws from above Fixed by screws from above Adjustment pin prevents bar rotation Cutting Diameter Deviation Comparison (Internal Evaluation) EZ Bar Competitor A 5 5 Large deection after (μm) (μm) replacing bar four times 0 0 −5 −5 −10 1st Time −10 1st Time 2nd Time 2nd Time −15 3rd Time −15 3rd Time 4th Time 4th Time Cutting Diameter Deviation Diameter Cutting Cutting Diameter Deviation Diameter Cutting −20 −20 0 5 10 15 20 25 30 35 0 5 10 15 20 25 30 35 Cutting Time (min) Cutting Time (min) Cutting Conditions: Vc = 220 sfm, D.O.C. = 0.0039", f = 0.0008 ipr, Wet (Oil-base) Workpiece: W1-9 5 High EZB-HP (Boring) Precision H Chipbreaker 5˚ 5° 5˚ • Chipbreaker Parallel to Cutting Edge DMIN WF • Tough Edge (General Purpose) 11˚ 7˚ 0˚ 2 RE WF DCON LU RE 1mm LF 14˚ 30˚ H • Right-hand Shown 5˚ F Chipbreaker 5˚ 5˚ DMIN • Lead Angle on Chipbreaker 7˚ WF • Sharp Edge (For Finishing) 0˚ 2 RE WF DCON 31˚ LU LF RE 1mm Chipbreaker in detail 30˚ H 18˚ • Right-hand Shown EZ Bar Dimensions NEW Grades Min. Dimensions (mm) MEGACOAT Bore Dia. MEGACOAT Carbide Applicable Sleeve Part Number NANO PLUS See � P21-P26 PR1725 PR1225 GW05 DMIN DCON H LF LU WF WF2 RE R L R L R L EZB§ 020020HP-008H 2 2 1.8 32 8 0.85 0.25 0.08 ±0.015 Þ Þ Þ Þ EZH020… 025025HP-008H 0.08 ±0.015 Þ Þ Þ Þ 2.5 2.5 2.3 35 10.5 1.1 0.25 EZH025… 025025HP-015H 0.15 ±0.020 Þ Þ 030030HP-008H 0.08 ±0.015 Þ Þ Þ Þ 3 3 2.7 38.9 13 1.35 0.3 EZH030… 030030HP-015H 0.15 ±0.020 Þ Þ 035035HP-008H 0.08 ±0.015 Þ Þ Þ Þ 3.5 3.5 3.2 41.9 15 1.6 0.4 EZH035… 035035HP-015H 0.15 ±0.020 Þ Þ 040040HP-008H 0.08 ±0.015 Þ Þ Þ Þ 4 4 3.6 48.8 20 1.85 0.4 EZH040… 040040HP-015H 0.15 ±0.020 Þ Þ 045045HP-008H 0.08 ±0.015 Þ Þ Þ Þ 4.5 4.5 4.1 51.1 22.5 2.1 0.5 EZH045… 045045HP-015H 0.15 ±0.020 Þ Þ 050050HP-008H 0.08 ±0.015 Þ Þ Þ Þ 5 5 4.6 58.1 25 2.35 0.5 EZH050… 050050HP-015H 0.15 ±0.020 Þ Þ 060060HP-008H 0.08 ±0.015 Þ Þ Þ Þ 6 6 5.6 66.1 30 2.85 0.6 EZH060… 060060HP-015H 0.15 ±0.020 Þ Þ 070070HP-008H 0.08 ±0.015 Þ Þ Þ Þ 7 7 6.3 73.8 35 3.3 0.7 EZH070… 070070HP-015H 0.15 ±0.020 Þ Þ 080080HP-008H 0.08 ±0.015 Þ Þ Þ Þ 8 8 7.2 84.8 40 3.75 0.8 EZH080… 080080HP-015H 0.15 ±0.020 Þ Þ EZBR 020020HP-005F 2 2 1.8 32 8 0.85 0.25 0.05 ±0.010 Þ Þ EZH020… 025025HP-005F 0.05 ±0.010 Þ Þ 2.5 2.5 2.3 35 10.5 1.1 0.3 EZH025… 025025HP-015F 0.15 ±0.020 Þ Þ 030030HP-005F 0.05 ±0.010 Þ Þ 3 3 2.7 38.9 13 1.35 0.4 EZH030… 030030HP-015F 0.15 ±0.020 Þ Þ 035035HP-005F 0.05 ±0.010 Þ Þ 3.5 3.5 3.2 41.9 15 1.6 0.5 EZH035… 035035HP-015F 0.15 ±0.020 Þ Þ 040040HP-005F 0.05 ±0.010 Þ Þ 4 4 3.6 48.8 20 1.85 0.5 EZH040… 040040HP-015F 0.15 ±0.020 Þ Þ 045045HP-005F 0.05 ±0.010 Þ Þ 4.5 4.5 4.1 51.1 22.5 2.1 0.7 EZH045… 045045HP-015F 0.15 ±0.020 Þ Þ 050050HP-005F 0.05 ±0.010 Þ Þ 5 5 4.6 58.1 25 2.35 0.7 EZH050… 050050HP-015F 0.15 ±0.020 Þ Þ 060060HP-005F 0.05 ±0.010 Þ Þ 6 6 5.6 66.1 30 2.85 0.9 EZH060… 060060HP-015F 0.15 ±0.020 Þ Þ 070070HP-005F 0.05 ±0.010 Þ Þ 7 7 6.3 73.8 35 3.3 1 EZH070… 070070HP-015F 0.15 ±0.020 Þ Þ 080080HP-005F 0.05 ±0.010 Þ Þ 8 8 7.2 84.8 40 3.75 1 EZH080… 080080HP-015F 0.15 ±0.020 Þ Þ Tolerance: Offset ±0.025mm (of the reference pin), overall length ±0.05mm, edge height +0.05/0mm Recommended Cutting Conditions � P14 EZ Bars Sold in 1 Piece Boxes Þ : Standard Item 6 High Extended Reach EZB-HP (Boring - Long Type / Extended Reach) Precision (...HP...-LT) 5° 5° 5° H Chipbreaker DMIN WF • Chipbreaker Parallel to Cutting Edge • Tough Edge (General Purpose) 0° 2 11° 7° RE WF DCON LU RE 1mm LF 14° 30° Chipbreaker in detail H • Right-hand Shown EZ Bar Dimensions Min.
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