flaunt 发表于 2025-3-28 16:19:13
https://doi.org/10.1007/978-1-4684-0494-4l, and also for the turning of . or .. An additional feature of the lathe, is its ability to cut . on a cylindrical surface that has already been machined. The accuracy of the work done on a lathe depends on the . and . of the operator. A lot of time is taken for ., etc. with the result that it is uBLUSH 发表于 2025-3-28 21:35:22
http://reply.papertrans.cn/32/3112/311105/311105_42.png威胁你 发表于 2025-3-28 23:29:05
http://reply.papertrans.cn/32/3112/311105/311105_43.png雪崩 发表于 2025-3-29 03:22:23
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http://reply.papertrans.cn/32/3112/311105/311105_45.pnganaerobic 发表于 2025-3-29 12:16:54
Hand Tools and workshop equipment,hand tools has been almost eliminated. However, hand tools are still required for many purposes in industry, like the making of . and ., and for the . and . of equipment. Some of the most common hand tools are shown in Fig 3.2 and a brief description of their use is given below.Progesterone 发表于 2025-3-29 15:35:00
http://reply.papertrans.cn/32/3112/311105/311105_47.pngOvulation 发表于 2025-3-29 20:39:42
The forging of metals,eak easily. Some metal components like crankshafts, connecting rods, spanners, etc. have to stand up to conditions of . when in use. Components produced by the ., are much stronger than those produced by casting or by machining from solid bar material. The reason for this lies in the fact that the .运动吧 发表于 2025-3-30 00:48:06
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Engineering inspection,y today, it is easy to see that it is not possible to inspect all of them for . .. With modern production methods it is possible to maintain a high degree of accuracy, but there are always . in dimensions which must be kept within . to ensure the . of ..