1080 Каталог FACOM 2013 Профессиональный ручной инструмент и оборудование Стр.1054

Каталог FACOM 2013 Инструмент Оборудование Стр. 1054 1080 ENG Lab2u

Fits are categories of standard toleranced dimensions that are used for assembling two cylindrical or prismatic parts. H Standard designation and markings II Standard fits Standard fits (H bore system) Comments Standard fits for long spans poor alignment expansion etc. Standard fits for rotating or sliding guides (good lubrication ensured) For high-precision guides Can be assembled by hand Can be assembled with a mallet (Press recommended) Assembled with a press Assembled with a heavy-duty press or by dilation (shrink-fitting) For centring and locating cannot transfer forces For transmission of forces Parts disassembled without Parts damaged when disassembled most commonly used most commonly used (to be known) II Standard tolerance intervals (or qualities) Clearance Transition clearance Interference Main ISO qualities ortolerances (Tl) (IT in micrometres :1 m 0.001 mm) Nominal dimensions (mm) above + 1 3 6 10 18 30 50 80 120 180 250 315 400 to (inclusive) + 3 6 10 18 30 50 80 120 180 250 315 400 500 IT5 4 5 6 8 9 11 13 15 18 20 23 25 27 IT6 6 8 9 11 13 16 19 22 25 29 32 36 40 IT7 10 12 15 18 21 25 30 35 40 46 52 57 63 IT8 14 18 22 27 33 39 46 54 63 72 81 89 97 IT9 25 30 36 43 52 62 74 87 100 115 130 140 155 IT10 40 48 58 70 84 100 120 140 160 185 210 230 250 IT11 60 75 90 110 130 160 190 220 250 290 320 360 400 IT12 100 120 150 180 210 250 300 350 400 460 520 570 630 IT13 140 180 220 270 330 390 460 540 630 720 810 890 970 1054 Clearance tits 0 80 H8f7 Min clearance 0.030 mm Max. clearance 0.106 mm Transition tits (clearance or interference) 0 80 H7k6 Max. clearance 0.009 mm Max interference 0.002 mm Interference tits 0 80 H7p6 Min. interference 0.002 mm Max interference 0.051 mm 080 H8 f7 Nominal dimension Bore Upper case letter deviation Number IT or tolerance Shaft Lower case letter deviation Number IT or tolerance This data is published with the permission of AFNOR. Facom MECHANICAL FITS