Общий каталог Sumitomo 2018 - 2019 - страница 564

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 Material Carbide - Recommended insert grades Steel Cast Iron Non-Ferrous Alloy P30 a P20 K20 a K10 a { Coated Cermet Finishing T250A (Cermet) ACK200 (Coated Carbide) DA1000 (SUMIDIA) BN700 (SUMIBORON) Cutting - Reduce cutting speeds. Roughing ACP100 (Coated Carbide) ACK200 (Coated Carbide) DL1000 (Coated Carbide) Conditions - Increase feedrate. Excessive Crater Wear - Recommended insert grades Tool Material - Select a crater resistant grade. 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 - Recommended insert grades Cutting Edge Failure Tool Material - Select tougher grade. 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 of - Recommended insert grades Tool Material - If it is due to excessive low speeds or Cutting Edges very low feed rates, select an adhesion Steel Cast Iron resistant grade. ACP300 ACK300 - If it is due to thermal cracking, select a Roughing (Coated Carbide) (Coated Carbide) thermal impact resistant grade. 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). Unsatisfactory - Recommended insert grades Tool Material - Select an adhesion resistant grade. Machined Surface Carbide g Cermet Steel Cast Iron Non-Ferrous Alloy Finish Cutting WGX type* DGC type* FF type* Finishing Roughing Conditions - Increase cutting speeds. Cutter ACP200 ACK200 H1 (Carbide) Insert (Coated Carbide) (Coated Carbide) DL1000 (Coated Carbide) Tool Design - Improve axial run-out of cutting edges. (Use a cutter with less run-out) WGC type FMU type RF type (Attach correct inserts) Cutter T250A BN700 DA1000 Insert (Cermet) (SUMIBORON) (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 Others 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. Tool Design - Select cutter with good chip removal Unsatisfactory Chip features. Control - Reduce number of teeth. - Recommended cutter: WaveMill WGX type - Enlarge chip pocket. Edge Chipping on Tool Design - Select a large approach angle. Technical Guidance - Select a sharp cutting edge insert Workpiece Cutting (G g L). - Recommended cutter: WaveMill WGX type Conditions - Reduce feed rates. Tool Design - Select a cutter with sharp cutting edges. Burr on Workpiece - Recommended cutter: WaveMill WGX type + FG breaker Cutting - Increase feed rates. DGC type + FG breaker Conditions N9