Henley's Encyclopaedia of Practical Engineering and Allied Trades ...N.W. Henley Pub., Company, 1906 |
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Página 2
... speeds , counterbalanced necessity , alternatively with ample reamering sliding heads , and minor details , , following punching Present - day machines have become so highly The early drilling machines were built to specialised that no ...
... speeds , counterbalanced necessity , alternatively with ample reamering sliding heads , and minor details , , following punching Present - day machines have become so highly The early drilling machines were built to specialised that no ...
Página 2
... speeds , counterbalanced sliding heads , and minor details . Present - day machines have become so highly specialised that no single machine can claim the title of boiler shell drill . With the circular row of horizontal spindles there ...
... speeds , counterbalanced sliding heads , and minor details . Present - day machines have become so highly specialised that no single machine can claim the title of boiler shell drill . With the circular row of horizontal spindles there ...
Página 25
... speed 100 ft . per minute . The suction pipe is 8 in . diameter , the delivery pipe or rising main 12 in . The pump rods are uniformly 1 in . diameter , the lining tubes uniformly 20 in . diameter . Fig . 14 illustrates a 9 - inch ...
... speed 100 ft . per minute . The suction pipe is 8 in . diameter , the delivery pipe or rising main 12 in . The pump rods are uniformly 1 in . diameter , the lining tubes uniformly 20 in . diameter . Fig . 14 illustrates a 9 - inch ...
Página 35
... speed of transmission is delayed , and thus the screw is turned as the bar 0000000000 A wood slips which act as steadies in the hole , these being alternated with the cutters . A head in which set - screws are employed for pinching is ...
... speed of transmission is delayed , and thus the screw is turned as the bar 0000000000 A wood slips which act as steadies in the hole , these being alternated with the cutters . A head in which set - screws are employed for pinching is ...
Página 40
... speeds are obtainable , through similar mechanism to that in Fig . 27. The feeding arrangements also resemble those in the previous example , but the method of balancing the slides is modified . The turrets have five holes . A duplex 30 ...
... speeds are obtainable , through similar mechanism to that in Fig . 27. The feeding arrangements also resemble those in the previous example , but the method of balancing the slides is modified . The turrets have five holes . A duplex 30 ...
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