Общий каталог Sumitomo 2018 - 2019 - страница 564

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Cutting Edge FailureOthers RoughingFinishing Technical Guidance Tool Failure and Remedies Trouble Shooting Guide for Milling Trouble Basic Remedies Remedy Examples Excessive Flank Wear - Select a more wear resistant grade.Tool MaterialCarbide- Recommended insert grades P30K20a P20a K10a{ CoatedCermet Steel Cast Iron Non-Ferrous AlloyFinishingT250A (Cermet)ACK200 (Coated Carbide)BN700 (SUMIBORON)DA1000 (SUMIDIA) Cutting - Reduce cutting speeds.Conditions- Increase feedrate.Roughing ACP100 (Coated Carbide) ACK200 (Coated Carbide) DL1000 (Coated Carbide) Excessive Crater Wear Tool Material - Select a crater resistant grade. - Recommended insert grades Steel Cast Iron Non-Ferrous Alloy Cutting - Reduce cutting speeds. Finishing T250A (Cermet) ACK200 (Coated Carbide) DA1000 (SUMIDIA) Conditions - Reduce depth-of-cut and feed rate. Roughing ACP100 (Coated Carbide) ACK200 (Coated Carbide) DL1000 (Coated Carbide) Cutting Edge Chipping Tool Material - Select tougher grade. - Recommended insert grades P10 a P20 a P30 Steel Cast Iron K01 a K10 a K20 Cutting Finishing ACP200 (Coated Carbide) ACK200 (Coated Carbide) Conditions - Reduce feed rates. Roughing ACP300 (Coated Carbide) ACK300 (Coated Carbide) Tool Design - Select a negative-positive cutter configuration with a large approach angle. - Recommended cutter: WaveMill WGX type - Reinforce the cutting edge (Honing). - Cutting conditions: - Select a strong edge insert (G g H). Refer to recommended conditions listed in the general catalogue Partial Fracture ofCutting EdgesTool Material- If it is due to excessive low speeds or - Recommended insert gradesvery low feed rates, select an adhesionSteelCast Iron resistant grade.- If it is due to thermal cracking, select athermal impact resistant grade.RoughingACP300(Coated Carbide)ACK300(Coated Carbide) Cutting - Select appropriate conditions with - Recommended cutter: WaveMill WGX type Conditions regards to the particular application. - Insert thickness: 3,18 g 4,76mm Tool Design - Select a negative-positive (or negative) cutter configuration with a large approach - Insert type: Standard g Strong edge type angle. - Reinforce the cutting edge (Honing). - Cutting conditions: - Select a strong edge insert (G g H). Refer to recommended conditions listed in the general catalogue - Increase insert size - (Thickness in particular). UnsatisfactoryMachined SurfaceFinishTool Material- Select an adhesion resistant grade. - Recommended insert gradesCarbide g CermetSteelCast Iron Non-Ferrous AlloyCuttingConditions- Increase cutting speeds.Tool Design- Improve axial run-out of cutting edges.CutterInsertWGX type*DGC type*FF type*ACP200ACK200H1 (Carbide)(Coated Carbide)(Coated Carbide)DL1000 (Coated Carbide) (Use a cutter with less run-out)(Attach correct inserts) CutterInsertWGC typeT250A(Cermet) FMU typeBN700(SUMIBORON) RF typeDA1000(SUMIDIA) - Use wiper inserts. - Use special purpose cutters designed for * marked cutters can be fitted with wiper inserts. finishing. Chattering Cutting - Reduce feed rates. - Recommended cutters: Conditions Tool Design - Select a high rake cutter with sharp For steel: WaveMill WGX type cutting edges For cast iron: DNX type Others - Use an irregular pitched cutter. For Non-ferrous alloy: High speed cutter for aluminium - Improve workpiece and cutter clamp RF type rigidity. Unsatisfactory ChipControlTool Design - Select cutter with good chip removalfeatures.- Reduce number of teeth.- Recommended cutter:WaveMill WGX type - Enlarge chip pocket. Edge Chipping onWorkpieceTool Design - Select a large approach angle.- Select a sharp cutting edge insertCutting(G g L).- Recommended cutter:WaveMill WGX type Conditions - Reduce feed rates. Burr on Workpiece Tool DesignCuttingConditions- Select a cutter with sharp cutting edges.- Increase feed rates.- Recommended cutter:WaveMill WGX type + FG breaker DGC type + FG breaker N9 Guidance Technical