Foseco Non-Ferrous Foundryman’s Handbook Part 16 pdf

... 160 starch 159 cooling rate of aluminium castings, 136 parting agents, 166 solidification times of aluminium castings, 125 Green sand system, 160 control , 164 properties, 163 sand cooling, 162 sand ... 288 Foseco Non-Ferrous Foundryman’s Handbook make cost analyses to quickly determine the most cost-effective feeding system ... calculation, 15 Bench life of self-hardening...

Ngày tải lên: 10/08/2014, 11:22

... also be used. 240 Foseco Ferrous Foundryman’s Handbook SEMCOPERM M66 has been developed for coating EPS patterns used for making iron castings by the lost foam process. It is particularly suitable ... cast-in metal inserts which form parts of castings. CHILCOTE 4 is a refractory, self-drying dressing for external chills. It provides 258 Foseco Ferrous Foundryman’s Handbook Figure...

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... 1.25 Ni Al Bronze 0.50 Sn Bronze 0.75 300 Foseco Ferrous Foundryman’s Handbook Non-ferrous castings Table 19.3 gives a feeding distance factor for some of the non-ferrous alloys; this factor is used ... two parts: the thermal characteristics of the mould material surrounding the whole of the feeder the properties of the metal within the feeder. 310 Foseco Ferrous Foundryman’s H...

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... 154 dextrin, 155 MIXAD, 157 starch, 155 cooling, 160 control, 161 moulding machines, 164 properties, 160 sand mill, 157 system, 157 testing, 162 Grey cast iron, 23 applications of, 37 effect ... remaining liquid of the section of which it is a part. Where it resides in this remaining liquid depends on the type of alloy. 350 Foseco Ferrous Foundryman’s Handbook (5) The program...

Ngày tải lên: 10/08/2014, 11:22

... green sand system 160 Green sand properties 163 Control of green sand systems 164 Sand testing 165 Control graphs 165 Parting agents 166 Special moulding materials, LUTRON 166 13 Resin bonded ... cal/g°C = 1 kcal/kg°C = 4186.8 J/kg.K 1 Btu/lb°F = 4186.8 J/kg.K 1 Btu/h = 0.293071 W Foseco Non-Ferrous Foundryman’s Handbook Eleventh edition Revised and edited by John R. Bro...

Ngày tải lên: 10/08/2014, 11:22

... 177 120 149 149 177 120 149 11 163 194 131 163 163 194 131 163 12 177 211 143 177 177 211 143 177 13 193 230 156 193 193 230 156 193 14 207 247 167 207 207 247 167 207 15 221 261 179 221 221 ... adjacent part of the casting, Fig. 17.4 Figure 17.4 Feeding distance in steel castings: (a) Plate (width:thickness >5:1 (b) Bar (width:thickness <5:1). 258 Foseco Non-Ferrous Found...

Ngày tải lên: 10/08/2014, 11:22

... to entrain sand particles. Terminal velocities of spherical particles of density 2.5 g/cm 3 (approx.) BS sieve Particle Terminal velocity size dia. (µm) m/sec ft/sec ft/min 16 1003 7.0 23 1400 30 ... to see why such large weights are needed to support moulds in jobbing foundries. 16 Foseco Ferrous Foundryman’s Handbook Calculation of AFS grain fineness number Using either the old B...

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... cupola ( From ETSU Good Practice Case Study 161 ; courtesy of the Department of the Environment, Transport and the Regions .) 54 Foseco Ferrous Foundryman’s Handbook increasingly, both for primary ... be established by experience for a particular cupola operation, but the following ‘Levi equation’ is a good starting guide. 58 Foseco Ferrous Foundryman’s Handbook Charge materials...

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... 000 60–100 000 kg/mm 2 16 32 30–60 40–70 N/mm 2 160 –320 300–600 400–700 Elongation (%) nil 3–66–25 Modulus (lb/in 2 )14 16 10 6 20–23×10 6 25–27×10 6 (GN/m 2 )96–110 140 160 170–190 Charpy impact Joules, ... 1.0 1.0 1.0 Hardness (HB) 179 max 143–207 163 –229 197–225 207–269 a ferritic grade b pearlitic Hardness not mandatory 66 Foseco Ferrous Foundryman’s Handbook inoculation proces...

Ngày tải lên: 10/08/2014, 11:22

... Germany: DIN 169 2 (1982); UK: BS6681:1986. Notes: It is advisable to consult the original standards for details of the mandatory values, methods of testing etc. 92 Foseco Ferrous Foundryman’s Handbook Blackheart ... malleable iron. 114 Foseco Ferrous Foundryman’s Handbook toughness are required. Applications are excavating buckets, travelling wheels, gears, tractor track links a...

Ngày tải lên: 10/08/2014, 11:22