Basic Metalwork |
From inside the book
Results 1-3 of 4
Page 90
... handwheel such as is found on many machine tools . Imagine this to be made in wood exactly like the drawing , and then imagine the result of pressing this wooden wheel into a bed of sand and then withdrawing it . If the resulting ...
... handwheel such as is found on many machine tools . Imagine this to be made in wood exactly like the drawing , and then imagine the result of pressing this wooden wheel into a bed of sand and then withdrawing it . If the resulting ...
Page 93
... handwheel is shown in Figure 80. It is made in two halves to enable the core to be ex- tracted after it has been formed by ramming core sand into the space left when the two halves are fitted together . On being taken from the box the ...
... handwheel is shown in Figure 80. It is made in two halves to enable the core to be ex- tracted after it has been formed by ramming core sand into the space left when the two halves are fitted together . On being taken from the box the ...
Page 94
... view of the mould is shown , and the operations to be carried out in making this are identical with those described for making the handwheel mould . No reference has been made to the making of patterns . This is a FIG 81 94.
... view of the mould is shown , and the operations to be carried out in making this are identical with those described for making the handwheel mould . No reference has been made to the making of patterns . This is a FIG 81 94.
Common terms and phrases
alloy aluminium angle plate annealed anvil axis banjo plate bowl brass brazing British Standard Whitworth brittle case-hardening cast iron cast steel centre punch chalk chisel circle clamping clearance colour coolant cooling copper core box craft cutting edges cutting tool diameter drawing drill a hole drilling machine face-plate feed spindle flat flux fracture gear grip hammer blows handwheel hard hardened headstock joint lathe bed lathe spindle lathe tool lead screw length lever malleable marked METALWORK method mild steel moulding box notch number of threads obtained operations Parallel strip pattern piece of metal planishing possible produce proprietary rake red heat removed revolve rivet round bar sand school workshop scraping shape shown in Figure soft solder speed cone square inch surface gauge surface plate tailstock tap wrench taper teeth temperature tensile strength threads per inch tinplate tongs tons per square top slide waste metal wheel wire workpiece