| 摘要 |
A milling assembly 10 for machining an I-beam 12 including tube flange portions 14, 16 and a web portion 18 therebetween including a pair of oppositely disposed and spaced milling heads 134 for milling the two flanged portions 14, 16 of the I-beam 12 and a support table for supporting the I-beam 12 thereon for reciprocating movement relative to the milling heads 134 to bring the ends of the I-beam 12 in contact with the milling heads 134. Alignment buttons 49, 76, 108, 124 are mounted on the support table for aligning the I-beam 12 upon the support table 128 in a predetermined position and three clamping stations 24, 26 and 28 are mounted on the support table 128 for fixedly clamping the I-beam 12 along the length of the support table 128.
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