Threadforming tap for plastic

Formtapvs cuttap

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Find the required RPM according to your tool’s diameter and SFMSFM1/16"1/8"3/16"1/4"3/8"1/2"5/8"3/4"7/8"1"1-1/2"2"106103052051551007560504540252015915460305230155115907565554030201,22061040530520515512010085755040251,530765510380255190155125110956550301,8359156104603052301851551301157555352,1401,0707155353552652151801551359065402,4451,22081561040530524520517515510075452,7501,37591569046034527523019517011585503,0551,5301,02076551038030525522019012595603,6651,8351,220915610460365305260230155115704,2802,1401,4251,070715535430355305265180135804,8902,4451,6301,220815610490405350305205155905,5002,7501,8351,3759156905504603953452301701006,1103,0552,0351,5301,0207656105104353802551901106,7253,3602,2401,6801,1208406705604804202802101207,3353,6652,4451,8351,2209157356105254603052301307,9453,9752,6501,9851,3259957956605704953302501408,5554,2802,8502,1401,4251,0708557156105353552651509,1704,5853,0552,2901,5301,14591576565557538028517510,6955,3503,5652,6751,7851,3351,07089076567044533520012,2256,1104,0753,0552,0351,5301,2201,02087576551038022513,7506,8754,5853,4402,2901,7201,3751,14598086057543025015,2807,6405,0953,8202,5451,9101,5301,2751,09095563548027516,8108,4055,6054,2002,8002,1001,6801,4001,2001,05070052530018,3359,1706,1104,5853,0552,2901,8351,5301,3101,14576557535021,39010,6957,1305,3503,5652,6752,1401,7851,5301,33589067040024,45012,2258,1506,1104,0753,0552,4452,0351,7451,5301,02076545027,50513,7509,1706,8754,5853,4402,7502,2901,9651,7201,14586050030,56015,28010,1857,6405,0953,8203,0552,5452,1851,9101,27595555033,61516,81011,2058,4055,6054,2003,3602,8002,4002,1001,4001,05060036,67018,33512,2259,1706,1104,5853,6653,0552,6202,2901,5301,14570042,78521,39014,26010,6957,1305,3504,2803,5653,0552,6751,7851,33580048,89524,45016,30012,2258,1506,1104,8904,0753,4953,0552,0351,53090055,01027,50518,33513,7509,1706,8755,5004,5853,9303,4402,2901,7201,00061,12030,56020,37515,28010,1857,6406,1105,0954,3653,8202,5451,9101,25076,40038,20025,46519,10012,7359,5507,6406,3655,4554,7753,1852,3901,50091,68045,84030,56022,92015,28011,4609,1707,6406,5505,7303,8202,8651,750106,96053,48035,65526,74017,82513,37010,6958,9157,6406,6854,4553,3452,000122,24061,12040,74530,56020,37515,28012,22510,1858,7307,6405,0953,820SFM to RPM Chart (Metric)Find the required RPM according to your tool’s diameter and SFMSFM2 mm3 mm4 mm6 mm8 mm10 mm12 mm16 mm20 mm25 mm40 mm50 mm10485325245160120958060504025201573048536524518014512090756035302097064548532524519516012095805040251,215810605405305245200150120956050301,4559707304853652902451801451157560351,7001,1308505654253402852101701358570401,9401,2959706454853903252451951559580452,1851,4551,09073054543536527522017511085502,4251,6151,21581060548540530524519512095602,9101,9401,455970730580485365290235145115703,3952,2651,7001,130850680565425340270170135803,8802,5851,9401,295970775645485390310195155904,3652,9102,1851,4551,0908757305454353502201751004,8503,2352,4251,6151,2159708106054853902451951105,3353,5602,6701,7801,3351,0658906655354252652151205,8203,8802,9101,9401,4551,1659707305804652902351306,3054,2053,1552,1001,5751,2601,0507906305053152501406,7904,5303,3952,2651,7001,3601,1308506805453402701507,2754,8503,6402,4251,8201,4551,2159107305803652901758,4905,6604,2452,8302,1201,7001,4151,0608506804253402009,7056,4704,8503,2352,4251,9401,6151,21597077548539022510,9157,2755,4603,6402,7302,1851,8201,3651,09087554543525012,1308,0856,0654,0453,0302,4252,0201,5151,21597060548527513,3408,8956,6704,4453,3352,6702,2251,6701,3351,06566553530014,5559,7057,2754,8503,6402,9102,4251,8201,4551,16573058035016,98011,3208,4905,6604,2453,3952,8302,1201,7001,36085068040019,40512,9359,7056,4704,8503,8803,2352,4251,9401,55097077545021,83014,55510,9157,2755,4604,3653,6402,7302,1851,7451,09087550024,25516,17012,1308,0856,0654,8504,0453,0302,4251,9401,21597055026,68517,79013,3408,8956,6705,3354,4453,3352,6702,1351,3351,06560029,11019,40514,5559,7057,2755,8204,8503,6402,9102,3301,4551,16570033,96022,64016,98011,3208,4906,7905,6604,2453,3952,7151,7001,36080038,81025,87519,40512,9359,7057,7606,4704,8503,8803,1051,9401,55090043,66529,11021,83014,55510,9158,7357,2755,4604,3653,4952,1851,7451,00048,51532,34524,25516,17012,1309,7058,0856,0654,8503,8802,4251,9401,25060,64540,43030,32020,21515,16012,13010,1057,5806,0654,8503,0302,4251,50072,77048,51536,38524,25518,19514,55512,1309,0957,2755,8203,6402,9101,75084,90056,60042,45028,30021,22516,98014,15010,6108,4906,7904,2453,3952,00097,03064,68548,51532,34524,25519,40516,17012,1309,7057,7604,8503,880Related Glossary Terms:Cutting SpeedCNC MachineRPMCircumference

The cutting tools catalogs or our experience tells us the SFM (Cutting Speed) we need to use for a given application. On the other hand, the CNC machine is programmed with the RPM (Spindle speed). Therefore it is common that we need to compute the RPM from a given SFM either for programming or to ensure that the SFM we want to run at is within the machine’s limit. It is calculated by dividing the cutting speed by the cutter’s circumference.

Metalforming tap for plastic

Find the required RPM according to your tool’s diameter and SFMSFM2 mm3 mm4 mm6 mm8 mm10 mm12 mm16 mm20 mm25 mm40 mm50 mm10485325245160120958060504025201573048536524518014512090756035302097064548532524519516012095805040251,215810605405305245200150120956050301,4559707304853652902451801451157560351,7001,1308505654253402852101701358570401,9401,2959706454853903252451951559580452,1851,4551,09073054543536527522017511085502,4251,6151,21581060548540530524519512095602,9101,9401,455970730580485365290235145115703,3952,2651,7001,130850680565425340270170135803,8802,5851,9401,295970775645485390310195155904,3652,9102,1851,4551,0908757305454353502201751004,8503,2352,4251,6151,2159708106054853902451951105,3353,5602,6701,7801,3351,0658906655354252652151205,8203,8802,9101,9401,4551,1659707305804652902351306,3054,2053,1552,1001,5751,2601,0507906305053152501406,7904,5303,3952,2651,7001,3601,1308506805453402701507,2754,8503,6402,4251,8201,4551,2159107305803652901758,4905,6604,2452,8302,1201,7001,4151,0608506804253402009,7056,4704,8503,2352,4251,9401,6151,21597077548539022510,9157,2755,4603,6402,7302,1851,8201,3651,09087554543525012,1308,0856,0654,0453,0302,4252,0201,5151,21597060548527513,3408,8956,6704,4453,3352,6702,2251,6701,3351,06566553530014,5559,7057,2754,8503,6402,9102,4251,8201,4551,16573058035016,98011,3208,4905,6604,2453,3952,8302,1201,7001,36085068040019,40512,9359,7056,4704,8503,8803,2352,4251,9401,55097077545021,83014,55510,9157,2755,4604,3653,6402,7302,1851,7451,09087550024,25516,17012,1308,0856,0654,8504,0453,0302,4251,9401,21597055026,68517,79013,3408,8956,6705,3354,4453,3352,6702,1351,3351,06560029,11019,40514,5559,7057,2755,8204,8503,6402,9102,3301,4551,16570033,96022,64016,98011,3208,4906,7905,6604,2453,3952,7151,7001,36080038,81025,87519,40512,9359,7057,7606,4704,8503,8803,1051,9401,55090043,66529,11021,83014,55510,9158,7357,2755,4604,3653,4952,1851,7451,00048,51532,34524,25516,17012,1309,7058,0856,0654,8503,8802,4251,9401,25060,64540,43030,32020,21515,16012,13010,1057,5806,0654,8503,0302,4251,50072,77048,51536,38524,25518,19514,55512,1309,0957,2755,8203,6402,9101,75084,90056,60042,45028,30021,22516,98014,15010,6108,4906,7904,2453,3952,00097,03064,68548,51532,34524,25519,40516,17012,1309,7057,7604,8503,880Related Glossary Terms:Cutting SpeedCNC MachineRPMCircumference

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The cutting tools catalogs or our experience tells us the SFM (Cutting Speed) we need to use for a given application. On the other hand, the CNC machine is programmed with the RPM (Spindle speed). Therefore it is common that we need to compute the RPM from a given SFM either for programming or to ensure that the SFM we want to run at is within the machine’s limit. It is calculated by dividing the cutting speed by the cutter’s circumference.* Learn more about the fundamentals behind this equationSFM to RPM Chart (Inch)Find the required RPM according to your tool’s diameter and SFMSFM1/16"1/8"3/16"1/4"3/8"1/2"5/8"3/4"7/8"1"1-1/2"2"106103052051551007560504540252015915460305230155115907565554030201,22061040530520515512010085755040251,530765510380255190155125110956550301,8359156104603052301851551301157555352,1401,0707155353552652151801551359065402,4451,22081561040530524520517515510075452,7501,37591569046034527523019517011585503,0551,5301,02076551038030525522019012595603,6651,8351,220915610460365305260230155115704,2802,1401,4251,070715535430355305265180135804,8902,4451,6301,220815610490405350305205155905,5002,7501,8351,3759156905504603953452301701006,1103,0552,0351,5301,0207656105104353802551901106,7253,3602,2401,6801,1208406705604804202802101207,3353,6652,4451,8351,2209157356105254603052301307,9453,9752,6501,9851,3259957956605704953302501408,5554,2802,8502,1401,4251,0708557156105353552651509,1704,5853,0552,2901,5301,14591576565557538028517510,6955,3503,5652,6751,7851,3351,07089076567044533520012,2256,1104,0753,0552,0351,5301,2201,02087576551038022513,7506,8754,5853,4402,2901,7201,3751,14598086057543025015,2807,6405,0953,8202,5451,9101,5301,2751,09095563548027516,8108,4055,6054,2002,8002,1001,6801,4001,2001,05070052530018,3359,1706,1104,5853,0552,2901,8351,5301,3101,14576557535021,39010,6957,1305,3503,5652,6752,1401,7851,5301,33589067040024,45012,2258,1506,1104,0753,0552,4452,0351,7451,5301,02076545027,50513,7509,1706,8754,5853,4402,7502,2901,9651,7201,14586050030,56015,28010,1857,6405,0953,8203,0552,5452,1851,9101,27595555033,61516,81011,2058,4055,6054,2003,3602,8002,4002,1001,4001,05060036,67018,33512,2259,1706,1104,5853,6653,0552,6202,2901,5301,14570042,78521,39014,26010,6957,1305,3504,2803,5653,0552,6751,7851,33580048,89524,45016,30012,2258,1506,1104,8904,0753,4953,0552,0351,53090055,01027,50518,33513,7509,1706,8755,5004,5853,9303,4402,2901,7201,00061,12030,56020,37515,28010,1857,6406,1105,0954,3653,8202,5451,9101,25076,40038,20025,46519,10012,7359,5507,6406,3655,4554,7753,1852,3901,50091,68045,84030,56022,92015,28011,4609,1707,6406,5505,7303,8202,8651,750106,96053,48035,65526,74017,82513,37010,6958,9157,6406,6854,4553,3452,000122,24061,12040,74530,56020,37515,28012,22510,1858,7307,6405,0953,820SFM to RPM Chart (Metric)Find the required RPM according to your tool’s diameter and SFMSFM2 mm3 mm4 mm6 mm8 mm10 mm12 mm16 mm20 mm25 mm40 mm50 mm10485325245160120958060504025201573048536524518014512090756035302097064548532524519516012095805040251,215810605405305245200150120956050301,4559707304853652902451801451157560351,7001,1308505654253402852101701358570401,9401,2959706454853903252451951559580452,1851,4551,09073054543536527522017511085502,4251,6151,21581060548540530524519512095602,9101,9401,455970730580485365290235145115703,3952,2651,7001,130850680565425340270170135803,8802,5851,9401,295970775645485390310195155904,3652,9102,1851,4551,0908757305454353502201751004,8503,2352,4251,6151,2159708106054853902451951105,3353,5602,6701,7801,3351,0658906655354252652151205,8203,8802,9101,9401,4551,1659707305804652902351306,3054,2053,1552,1001,5751,2601,0507906305053152501406,7904,5303,3952,2651,7001,3601,1308506805453402701507,2754,8503,6402,4251,8201,4551,2159107305803652901758,4905,6604,2452,8302,1201,7001,4151,0608506804253402009,7056,4704,8503,2352,4251,9401,6151,21597077548539022510,9157,2755,4603,6402,7302,1851,8201,3651,09087554543525012,1308,0856,0654,0453,0302,4252,0201,5151,21597060548527513,3408,8956,6704,4453,3352,6702,2251,6701,3351,06566553530014,5559,7057,2754,8503,6402,9102,4251,8201,4551,16573058035016,98011,3208,4905,6604,2453,3952,8302,1201,7001,36085068040019,40512,9359,7056,4704,8503,8803,2352,4251,9401,55097077545021,83014,55510,9157,2755,4604,3653,6402,7302,1851,7451,09087550024,25516,17012,1308,0856,0654,8504,0453,0302,4251,9401,21597055026,68517,79013,3408,8956,6705,3354,4453,3352,6702,1351,3351,06560029,11019,40514,5559,7057,2755,8204,8503,6402,9102,3301,4551,16570033,96022,64016,98011,3208,4906,7905,6604,2453,3952,7151,7001,36080038,81025,87519,40512,9359,7057,7606,4704,8503,8803,1051,9401,55090043,66529,11021,83014,55510,9158,7357,2755,4604,3653,4952,1851,7451,00048,51532,34524,25516,17012,1309,7058,0856,0654,8503,8802,4251,9401,25060,64540,43030,32020,21515,16012,13010,1057,5806,0654,8503,0302,4251,50072,77048,51536,38524,25518,19514,55512,1309,0957,2755,8203,6402,9101,75084,90056,60042,45028,30021,22516,98014,15010,6108,4906,7904,2453,3952,00097,03064,68548,51532,34524,25519,40516,17012,1309,7057,7604,8503,880Related Glossary Terms:Cutting SpeedCNC MachineRPMCircumference