ABSTRACT
The high efficiency, the precision work are one of numerical control engine bed
processing most main characteristics. Using the numerical control engine bed processing, its
product processing quality uniformity is good, the processing precision and the efficiency
outdo compared to the ordinary engine bed very much, especially when outline not rule,
complex curve or curved surface, multi-craft recombine processing and high accuracy request
product processing, its merit is the traditional engine bed is unable to compare. This topic to
the opposite sex body, the complex curve, the multi-craft recombine processing carries on the
exploration, designs three practical and feasible technical processes and the craft equipment.
In the product processing process, the work piece appears in jig localization and the clamp
specially importantly. Must act according to six localizations to carry on the reasonable
localization to the product, owes the localization, locates completely crosses the localization
all to have to act according to the actual production process decision. The jig covered from
has processed clamps the equipment to the assembly nearly all operating process one kind of
attire. Because the massive processing operation needs to install clamps, the jig design
changes can it be that the constant weight in the manufacture system to want, it affects the
processing quality directly, the productivity and the production cost. This article through the
analysis support components, the air compressor snifting valve lid as well as the supporting
the unique feature and the processing request which wraps, has formulated a set of reasonable
jig design, thus for guaranteed this components the processing precision will provide one
economical practical craft equipment, will have certain practical value. Through to each kind
of localization clamp analysis comparison, chose and combines a set both to be able to satisfy
the processing request, and the quite succinct installment, and carried on the numerical control
programming to each step working procedure.
Key word: numerical control processing, technical process, craft equipment, jig design
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