Pt 4 ouble iection Angul ontct hust Bll Beings (A eies) A 29X eies A 2X eies Fo itionl infomtion: ttic equivlent lo 128 Pelo n igiity 134 φ Abutment n fillet imensions 168 Bouny imensions o (ynmic) (ttic) 35A2X+L 35 62 34 17.8 4A2X+L 4 68 18 23.6 Mss Limiting pees (ppox) Gese 53.5.3 11 59..4 Quntity of pcke gese 157 A 29X A 2X Being Numbes eies (continue) Bouny imensions o (ynmic) (ttic) 1 9 2 2 A29+L A2+L Mss Limiting pees (ppox) Gese 5 4. 2 3 1. 525 8. 2 2 116. 4 6. 2 2 A2X+L 38 19 26.3 67.5.5 A29+L A2X+L 38 19.2 74. 25 A2+L 5 62. 2 4 2 A2X+L 33.5 94..9 6 6 1A29+L 1 118. 4 7. 2 4 2 A2X+L 35. 5 6 1A2+L 1 1. 6 13. 2 2 A2X+L. 5 6 A29+L 2. 52 7.3 2 2 A2X+L 146. 1.4 5 A2+L 2 8 218. 8 17. 2 2 4 A2X+L. 15 4 5 1A29+L 1 2 158. 6. 2 2 4 A2X+L 59. 18 4 4 4 1A2+L 1 2 2 1 2 23.4 2 A2X+L 59.5 189. 2.2 4 4 1A29+L 1 2 1 6 11. 2 A2X+L 78.5 6. 2.9 4 4 1A2+L 1 2 2. 1.4 1 2 2 24. 8 15. 1 2 A2X+L 1 79.5 256. 3. 3 4 A29+L A29X+L. 1. 1. 3 4 A2+L 3 132 66 315. 1 1 1 A2X+L.5 267. 3. 3 A29+L 2. 9 17. 1 A29X+L 1 56.5 28. 4 3 A29+L 32 213. 9 18. 1 1 A2X+L 1 66 33 9 5. 4. 3 4 3 2A29+L 2 3 315. 1 3 1 1 A29X+L 57. 215. 2 3 3 2A29+L 2 3 32. 1 4 33. 1 4 1 A2X+L 3. 3. 5. 3 3 A29X+L 1 66.5 256. 2.94 3 3 A2X+L 1 6. 3. 5. 3 3 4 A29X+L 1 79.5 315. 3. 3 3 A2X+L 134. 5. 8. 2 3 hust ABB φ ouble iection Boe imete 35-2 mm Being Numbes Pge No. ynmic equivlent lo 121 Limiting spees liste on this pge e bse on ecommene stn pelo (6 & 7) Note: Being type A29X: nominl contct ngle Being type A2X: nominl contct ngle Limiting spees liste on this pge e bse on ecommene stn pelo (6 & 7) Note: Being type A29X: nominl contct ngle Being type A2X: nominl contct ngle 94
Pt 4 High-pee Angul ontct hust Bll Beings (ROBU eies) Angul ontct hust Bll Beings ouble-iection Angul ontct hust Bll Beings Angul ontct hust Bll Beings 88- Fetues Numbeing ystem Being bles High-pee Angul ontct hust Bll Beings (ROBU eies) BAR eies BR eies hust ABB (A eies) ouble-iection Angul ontct hust Bll Beings (A eies) A29X eies A2X eies 86 Angul ontct hust Bll Beings 87
Pt 4 Fetues Numbeing ystem of High-pee Angul ontct hust Bll Beings (ROBU eies) Fo the min spinles of mchine tools, goo high spee pefomnce n high igiity e equie fo the bll beings use in combintion with ouble-ow cylinicl olle beings. Fo these pplictions, to llow selection ppopite fo the chcteistics of the mchine, NK povies thee types of beings. (Being numbe exmple) BAR YN B L P4A Nominl boe imete Accucy symbol Being type symbol All these beings hve specil oute ing outsie imete tolences (P4A lss n P2A lss) to povie clence between the oute ing peiphey n housing boe in oe to voi ny lo. NK s ROBU seies high-spee ngul contct thust bll beings e cpble of high-spee opetions while mintining high igiity. Bll imete n numbe of blls e the sme s A type beings. BR type beings hve 4 contct ngle, n BAR type beings hve contct ngle. he esult is supeio high-spee pefomnce tht minimizes het genetion. ustomes cn esily eplce thei A2X seies beings with NK s BAR type o BR type beings without hving to chnge the shft o housing of the mchine tool spinle. Both types of beings hve unique with imensions tht ccommote new spce (), which eplces the ole one () (see Fig. 3.1). Fig. 3.1 A= A imension symbol Angement symbol Mteil symbol ge symbol Refeence pges Nominl boe imete BAR Being type imension Mteil Boe imete -93 BAR: contct ngle, 38-39, 88 BR: 4 contct ngle 38-39, 88 : seies (boe, oute imete, n NK-specific imensions e vilble) : being steel (UJ2) 12-15, H: cemic bll (i3n4) YN: bll guie polymie esin cge; limiting spee mn=1 4 ; opetionl tempetue limit= YN ge Being with YN cge ( seies with mximum boe imete of mm) 16-17 (Leve this symbol blnk fo mchine bss cges) ontct Angle Fo the iffeing contct ngles, A type beings nk highest in levels of igiity, closely followe by BR type beings, with BAR type beings coming in lst. Fo tempetue ise of the oute ing, howeve, this nking is evese with BAR type beings hving the highest tolence, followe by BR type beings, n finlly A type beings with the lest tolence. Be sue to select the pouct tht will best meet the nees of you specific opeting conitions. B Angement L Pelo P4A Accucy B: bck-to-bck ngement 38-39, -133 EL: ext light pelo, L: light pelo 38-39, 134-137, 1 P: specil pelo, A: specil xil clence P2A: IO lss 2 except oute imete hust ABB Intechngebility Pelo symbol 164 P4A: IO lss 4 except oute imete Numbeing ystem of ouble-iection Angul ontct hust Bll Beings (A eies) (Being numbe exmple) A 2X PN7 +L 6 Pelo symbol pce symbol Nominl boe imete Being type symbol Fig. 3.2 Fig. 3.3 Accucy symbol imension symbol Axil Lo n Axil isplcement Refeence pges ) (α =3 B 15 Y N 2 B AR 4 Axil isplcement ( µ m) 25 5 B R1 N Y X 2 A B =4 (α ) ) ( α= Nominl boe imete Boe imete A Being type Angul contct thust bll being; contct ngle 2X imension PN7 Accucy +L pce 6 Pelo BAR 88 BR A 6 Axil lo (N) 2X: combine with NN seies 29X: combine with NN39 n NN49 seies PN7: specil pecision ccucy Inne ing spce 6: stn pelo fo gese lubiction 7: stn pelo fo oil lubiction 94-, 38-39, 88 38-39, 88 164 38-39 134-137 149 89
Pt 4 High-pee Angul ontct hust Bll Beings (ROBU eies) BAR eies BR eies Fo itionl infomtion: ttic equivlent lo 128 Pelo n igiity 134 BAR BARH BR BRH BAR BARH BR BRH BAR BARH BR BRH BAR BARH BR BRH BAR BARH BR BRH BAR BARH BR BRH o (ynmic) (ttic) Pemissible Effective Lo Mss Axil ente Lo (ppox) 18.4 14.7.7 12.6.2 25.7 2 17.4 3 18.2 35. 21.6 4. 18.9 38..4 43.5 15.5 34.1 23.4 16. 28.9 26.4 19.7 38.3 25.5 17.5.4 25.8 2 4.4.7 19.5 4 23.1 47. 26.9. 3.3 58. 32.5.5 19. 31.8.3 23.3.5 37.5 25.5 34.7 35. 3 46.3 39. 26.7.1.5.4 Limiting pees Gese 11 14 Quntity of pcke gese 157 eies (continue) Being Numbes BAR Bouny imensions.257 13 16 BARH 13 BR.257 11 14 BRH.412 4 13 BAR.391 11 14 BARH.412 11 BR.391 4 13 BRH. 9 12 BAR.397 11 13 BARH BR. 11.397 9 12 BRH.7 9 11 BAR 1.46 4 12 BARH 1.7 7 4 BR 1.46 9 11 BRH 1 1 BAR.561 9 11 BARH 1 7 9 BR.561 BRH 34 7 BAR 1.592 11 BARH 1 34 6 BR 1.592 7 BRH 1 o (ynmic) (ttic).2 Fo pemissible xil lo, plese efe to Pge 129. Fo ppliction of limiting spees, plese efe to Pge 152. Limiting spees liste on this pge e bse on bck-to-bck ngement (B) with ext light pelo (EL). Ajust the limiting spee to % of the figue shown when light pelo (L) hs been selecte. Note: Being type BAR: nominl contct ngle Being type BR: nominl contct ngle 4 Nozzle position 174 BAR BR Bouny imensions Abutment n fillet imensions 168 φ Pemissible Effective Lo Mss Axil ente Lo (ppox) 46.5 3 68.5 3.8 39.4 43. 38. 78. 32.5 7 38.5 8.5 92.5 39. 52.7.5 4.5 4.2 62.5 43..4 58.. 52.5 59.5. 43..5.5.5 69. 5 43.5 5 114 58.5 131. 6 68. 46.5 47.3 66.5 57. 63.7 78. 53.5 5..5 68. Limiting pees Gese 9.821 8.8 6 4 8.821 9.971 8.915 9.971 6.915 8 98 6 8 9 98 6 8 1.32 6 1.231 7 8 1.32 5 7 1.231 6 1.399 6 7 1.7 6 1.399 5 6 1.7 6 7 1.74 7 1.6 6 1.74 6 1.6 7 hust ABB φ ROBU Boe imete - mm Being Numbes Pge No. ynmic equivlent lo 121 Fo pemissible xil lo, plese efe to Pge 129. Fo ppliction of limiting spees, plese efe to Pge 152. Limiting spees liste on this pge e bse on bck-to-bck ngement (B) with ext light pelo (EL). Ajust the limiting spee to % of the figue shown when light pelo (L) hs been selecte. Note: Being type BAR: nominl contct ngle Being type BR: nominl contct ngle 4 91
Pt 4 High-pee Angul ontct hust Bll Beings (ROBU eies) BAR eies BR eies φ Boe imete - mm φ BAR BARH BR BRH o (ynmic) (ttic).5 131 66. 1 57. 141 68. 1.5 1 86. 1 BAR 1 BARH 1 BR 1 BRH 1 BAR BARH BR BRH BAR 2 78.5 BR 2 93. 2 BAR 5 67.5 BR 5 67.5 1BAR 1 7 1BR 1 7 BAR 2 8 BR 2 8 1BAR 1 2 1BR 1 1BAR 1 92.5 Pemissible Effective Lo Mss Axil ente Lo (ppox) 89..5 82.5 74.5..5 88.5.5 117 79.5 6 98. 135. Limiting pees Gese 1 5 4 6 1.9 6 7 1 4 6 1.9 5 4 6 2.262 6 4 14 2.262 4 4 14 6 4 3.2 4 5 3.1 5 6 4 3.2 5 3.1 4 5 66.2 3.8 4 5 89.1 3.8 3 4 53.9.2 56.8 76.4 63.4. 234 1 71 4.3 5 267 4.5 4.3 3 4 2 1.7 5.64 3 4 117 2 1 1.9 5.64 3 4 2 82.3 7. 3 4 1 335.5 7. 3. 151 3 262 88.8.2 3 4 2. 179 2 118.9.2 2 3 2. 151 3 3 91.8.7 3 98.5 1BR 1 2. 179 4 281 123.2.7 2 3 BAR 3 99. 169 4 98.3 13.8 3 3 BR 3 99. 21 5 3 131.7 13.8 2 3 4 hust ABB Bouny imensions ROBU Being Numbes Fo pemissible xil lo, plese efe to Pge 129. Fo ppliction of limiting spees, plese efe to Pge 152. Limiting spees liste on this pge e bse on bck-to-bck ngement (B) with ext light pelo (EL). Ajust the limiting spee to % of the figue shown when light pelo (L) hs been selecte. Note: Being type BAR: nominl contct ngle Being type BR: nominl contct ngle 4 92 93