harpsichord 发表于 2025-3-30 08:17:08
https://doi.org/10.1007/978-3-319-02225-3Many types of materials are used in manufacturing industry today. Some of the more important ones are metals, alloys, and plastics. Different kinds of metals and alloys are used for different purposes and the diagram in Fig 6.1 shows some metals and alloys that are in common use.自恋 发表于 2025-3-30 13:42:08
https://doi.org/10.1007/978-3-030-26883-1The production of metal objects by the process of casting has been practiced for thousands of years. This is probably the quickest and most economical way of producing a metal component, particularly a large and complex one.揉杂 发表于 2025-3-30 19:14:06
The International Adjustment MechanismThe purpose of the heat treatment process is to improve the properties of a metal to the extent that:BLANC 发表于 2025-3-30 22:21:01
https://doi.org/10.1007/978-3-319-96965-7A working machine is composed of many components, some of which are moving. There are many kinds of motion, of which ., and . are amongst the most important. In rotatory or rotary motion, the object is rotating around an axis or a point, in a clockwise or an anticlockwise sense.invade 发表于 2025-3-31 00:59:40
The International Banking SystemA . is a toothed wheel which when meshed with other gears transmits motion from one part of a mechanism to another. The design of the gears determines the . between the shafts and the . ..moratorium 发表于 2025-3-31 06:24:03
http://reply.papertrans.cn/32/3112/311101/311101_56.pngVEIL 发表于 2025-3-31 12:37:46
http://reply.papertrans.cn/32/3112/311101/311101_57.pngvertebrate 发表于 2025-3-31 13:52:52
The joining of metals by mechanical methods,There are many ways in which metal components and sheets can be joined together. One way is by the use of mechanical fasteners like rivets, bolts and nuts, and set screws.