迈进数控加工的新时代.pdf

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迈进数控加工的新时代
LOPER */
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/* author */ (''), /* organization */ (''),
/* preprocessor_version */ 'ST-DEVELOPER ', /* originating_system */ '',
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FILE_SCHEMA (('PICTURE'));
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END-ISO-10303-21;2. STEP在CAD/CAM领域的应用
 STEP在CAD领域的应用 STEP在CAM领域的应用
AP224: Mechanical Product Definition for Process
Planning Using Machining Features
Part_model
• Part
Manufacturing Features • Single piece part Manufacturing Part Properties
l Pocket
• Manufacturing assembly l Material property
l Hole
• Mating condition l Surface finish
l Thread
• Part fasteners l Process property
l Outer Round
l Hardness
l Boss
l Gears
Toleran